From: robiwan Date: Tue, 14 Feb 2012 09:32:57 +0000 (+0000) Subject: Merged WaveRT branch (excluding stuff pertaining to ticket #169) X-Git-Tag: pa_stable_v19_20140130_r1919~87 X-Git-Url: https://andrewgundersen.net/repos?a=commitdiff_plain;h=c5874f23c465bc8df6252f0c4db19a7852d15bba;p=portaudio Merged WaveRT branch (excluding stuff pertaining to ticket #169) --- diff --git a/CMakeLists.txt b/CMakeLists.txt index b64b594..5852a2d 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -7,12 +7,17 @@ PROJECT( portaudio ) CMAKE_MINIMUM_REQUIRED(VERSION 2.8) +OPTION(PORTAUDIO_CONFIG_LIB_OUTPUT_PATH "Make sure that output paths are kept neat" OFF) IF(CMAKE_CL_64) SET(TARGET_POSTFIX x64) +IF(PORTAUDIO_CONFIG_LIB_OUTPUT_PATH) SET(LIBRARY_OUTPUT_PATH ${CMAKE_CURRENT_BINARY_DIR}/bin/x64) +ENDIF(PORTAUDIO_CONFIG_LIB_OUTPUT_PATH) ELSE(CMAKE_CL_64) SET(TARGET_POSTFIX x86) +IF(PORTAUDIO_CONFIG_LIB_OUTPUT_PATH) SET(LIBRARY_OUTPUT_PATH ${CMAKE_CURRENT_BINARY_DIR}/bin/Win32) +ENDIF(PORTAUDIO_CONFIG_LIB_OUTPUT_PATH) ENDIF(CMAKE_CL_64) IF(WIN32 AND MSVC) @@ -316,7 +321,6 @@ SET_TARGET_PROPERTIES(portaudio_static PROPERTIES OUTPUT_NAME portaudio_static_$ ENDIF(WIN32) OPTION(PORTAUDIO_BUILD_TESTS "Include test projects" OFF) -MARK_AS_ADVANCED(PORTAUDIO_BUILD_TESTS) # Prepared for inclusion of test files IF(PORTAUDIO_BUILD_TESTS) diff --git a/include/pa_win_wdmks.h b/include/pa_win_wdmks.h new file mode 100644 index 0000000..f7f7612 --- /dev/null +++ b/include/pa_win_wdmks.h @@ -0,0 +1,106 @@ +#ifndef PA_WIN_WDMKS_H +#define PA_WIN_WDMKS_H +/* + * $Id$ + * PortAudio Portable Real-Time Audio Library + * WDM/KS specific extensions + * + * Copyright (c) 1999-2007 Ross Bencina and Phil Burk + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files + * (the "Software"), to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, + * publish, distribute, sublicense, and/or sell copies of the Software, + * and to permit persons to whom the Software is furnished to do so, + * subject to the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF + * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/* + * The text above constitutes the entire PortAudio license; however, + * the PortAudio community also makes the following non-binding requests: + * + * Any person wishing to distribute modifications to the Software is + * requested to send the modifications to the original developer so that + * they can be incorporated into the canonical version. It is also + * requested that these non-binding requests be included along with the + * license above. + */ + +/** @file + @ingroup public_header + @brief WDM Kernel Streaming-specific PortAudio API extension header file. +*/ + + +#include "portaudio.h" + +#include + +#ifdef __cplusplus +extern "C" +{ +#endif /* __cplusplus */ + typedef struct PaWinWDMKSInfo{ + unsigned long size; /**< sizeof(PaWinWDMKSInfo) */ + PaHostApiTypeId hostApiType; /**< paWDMKS */ + unsigned long version; /**< 1 */ + + /* The number of packets to use for WaveCyclic devices, range is [2, 8]. Set to zero for default value of 2. */ + unsigned noOfPackets; + } PaWinWDMKSInfo; + + typedef enum PaWDMKSType + { + Type_kNotUsed, + Type_kWaveCyclic, + Type_kWaveRT, + Type_kCnt, + } PaWDMKSType; + + typedef enum PaWDMKSSubType + { + SubType_kUnknown, + SubType_kNotification, + SubType_kPolled, + SubType_kCnt, + } PaWDMKSSubType; + + typedef struct PaWinWDMKSDeviceInfo { + wchar_t filterPath[MAX_PATH]; /**< KS filter path in Unicode! */ + wchar_t topologyPath[MAX_PATH]; /**< Topology filter path in Unicode! */ + PaWDMKSType streamingType; + GUID deviceProductGuid; /**< The product GUID of the device (if supported) */ + } PaWinWDMKSDeviceInfo; + + typedef struct PaWDMKSDirectionSpecificStreamInfo + { + PaDeviceIndex device; + unsigned channels; /**< No of channels the device is opened with */ + unsigned framesPerHostBuffer; /**< No of frames of the device buffer */ + int endpointPinId; /**< Endpoint pin ID (on topology filter if topologyName is not empty) */ + int muxNodeId; /**< Only valid for input */ + PaWDMKSSubType streamingSubType; /**< Not known until device is opened for streaming */ + } PaWDMKSDirectionSpecificStreamInfo; + + typedef struct PaWDMKSSpecificStreamInfo { + PaWDMKSDirectionSpecificStreamInfo input; + PaWDMKSDirectionSpecificStreamInfo output; + } PaWDMKSSpecificStreamInfo; + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* PA_WIN_DS_H */ diff --git a/src/common/pa_trace.c b/src/common/pa_trace.c index 0132f97..40fbc04 100644 --- a/src/common/pa_trace.c +++ b/src/common/pa_trace.c @@ -46,12 +46,16 @@ #include #include +#include #include +#include #include "pa_trace.h" +#include "pa_util.h" +#include "pa_debugprint.h" #if PA_TRACE_REALTIME_EVENTS -static char *traceTextArray[PA_MAX_TRACE_RECORDS]; +static char const *traceTextArray[PA_MAX_TRACE_RECORDS]; static int traceIntArray[PA_MAX_TRACE_RECORDS]; static int traceIndex = 0; static int traceBlock = 0; @@ -94,4 +98,133 @@ void PaUtil_AddTraceMessage( const char *msg, int data ) } } +/************************************************************************/ +/* High performance log alternative */ +/************************************************************************/ + +typedef unsigned long long PaUint64; + +typedef struct __PaHighPerformanceLog +{ + unsigned magik; + int writePtr; + int readPtr; + int size; + double refTime; + char* data; +} PaHighPerformanceLog; + +static const unsigned kMagik = 0xcafebabe; + +#define USEC_PER_SEC (1000000ULL) + +int PaUtil_InitializeHighSpeedLog( LogHandle* phLog, unsigned maxSizeInBytes ) +{ + PaHighPerformanceLog* pLog = (PaHighPerformanceLog*)PaUtil_AllocateMemory(sizeof(PaHighPerformanceLog)); + if (pLog == 0) + { + return paInsufficientMemory; + } + assert(phLog != 0); + *phLog = pLog; + + pLog->data = (char*)PaUtil_AllocateMemory(maxSizeInBytes); + if (pLog->data == 0) + { + PaUtil_FreeMemory(pLog); + return paInsufficientMemory; + } + pLog->magik = kMagik; + pLog->size = maxSizeInBytes; + pLog->refTime = PaUtil_GetTime(); + return paNoError; +} + +void PaUtil_ResetHighSpeedLogTimeRef( LogHandle hLog ) +{ + PaHighPerformanceLog* pLog = (PaHighPerformanceLog*)hLog; + assert(pLog->magik == kMagik); + pLog->refTime = PaUtil_GetTime(); +} + +typedef struct __PaLogEntryHeader +{ + int size; + double timeStamp; +} PaLogEntryHeader; + +#ifdef __APPLE__ +#define _vsnprintf vsnprintf +#define min(a,b) ((a)<(b)?(a):(b)) +#endif + + +int PaUtil_AddHighSpeedLogMessage( LogHandle hLog, const char* fmt, ... ) +{ + va_list l; + int n = 0; + PaHighPerformanceLog* pLog = (PaHighPerformanceLog*)hLog; + if (pLog != 0) + { + PaLogEntryHeader* pHeader; + char* p; + int maxN; + assert(pLog->magik == kMagik); + pHeader = (PaLogEntryHeader*)( pLog->data + pLog->writePtr ); + p = (char*)( pHeader + 1 ); + maxN = pLog->size - pLog->writePtr - 2 * sizeof(PaLogEntryHeader); + + pHeader->timeStamp = PaUtil_GetTime() - pLog->refTime; + if (maxN > 0) + { + if (maxN > 32) + { + va_start(l, fmt); + n = _vsnprintf(p, min(1024, maxN), fmt, l); + va_end(l); + } + else { + n = sprintf(p, "End of log..."); + } + n = ((n + sizeof(unsigned)) & ~(sizeof(unsigned)-1)) + sizeof(PaLogEntryHeader); + pHeader->size = n; +#if 0 + PaUtil_DebugPrint("%05u.%03u: %s\n", pHeader->timeStamp/1000, pHeader->timeStamp%1000, p); +#endif + pLog->writePtr += n; + } + } + return n; +} + +void PaUtil_DumpHighSpeedLog( LogHandle hLog, const char* fileName ) +{ + FILE* f = (fileName != NULL) ? fopen(fileName, "w") : stdout; + unsigned localWritePtr; + PaHighPerformanceLog* pLog = (PaHighPerformanceLog*)hLog; + assert(pLog->magik == kMagik); + localWritePtr = pLog->writePtr; + while (pLog->readPtr != localWritePtr) + { + const PaLogEntryHeader* pHeader = (const PaLogEntryHeader*)( pLog->data + pLog->readPtr ); + const char* p = (const char*)( pHeader + 1 ); + const PaUint64 ts = (const PaUint64)( pHeader->timeStamp * USEC_PER_SEC ); + assert(pHeader->size < (1024+sizeof(unsigned)+sizeof(PaLogEntryHeader))); + fprintf(f, "%05u.%03u: %s\n", (unsigned)(ts/1000), (unsigned)(ts%1000), p); + pLog->readPtr += pHeader->size; + } + if (f != stdout) + { + fclose(f); + } +} + +void PaUtil_DiscardHighSpeedLog( LogHandle hLog ) +{ + PaHighPerformanceLog* pLog = (PaHighPerformanceLog*)hLog; + assert(pLog->magik == kMagik); + PaUtil_FreeMemory(pLog->data); + PaUtil_FreeMemory(pLog); +} + #endif /* TRACE_REALTIME_EVENTS */ diff --git a/src/common/pa_trace.h b/src/common/pa_trace.h index 13286c1..6dfaeb7 100644 --- a/src/common/pa_trace.h +++ b/src/common/pa_trace.h @@ -84,13 +84,29 @@ extern "C" void PaUtil_ResetTraceMessages(); void PaUtil_AddTraceMessage( const char *msg, int data ); void PaUtil_DumpTraceMessages(); - + +/* Alternative interface */ + +typedef void* LogHandle; + +int PaUtil_InitializeHighSpeedLog(LogHandle* phLog, unsigned maxSizeInBytes); +void PaUtil_ResetHighSpeedLogTimeRef(LogHandle hLog); +int PaUtil_AddHighSpeedLogMessage(LogHandle hLog, const char* fmt, ...); +void PaUtil_DumpHighSpeedLog(LogHandle hLog, const char* fileName); +void PaUtil_DiscardHighSpeedLog(LogHandle hLog); + #else #define PaUtil_ResetTraceMessages() /* noop */ #define PaUtil_AddTraceMessage(msg,data) /* noop */ #define PaUtil_DumpTraceMessages() /* noop */ +#define PaUtil_InitializeHighSpeedLog(phLog, maxSizeInBytes) (0) +#define PaUtil_ResetHighSpeedLogTimeRef(hLog) +#define PaUtil_AddHighSpeedLogMessage(...) (0) +#define PaUtil_DumpHighSpeedLog(hLog, fileName) +#define PaUtil_DiscardHighSpeedLog(hLog) + #endif diff --git a/src/hostapi/wdmks/pa_win_wdmks.c b/src/hostapi/wdmks/pa_win_wdmks.c index 8070dbf..684654d 100644 --- a/src/hostapi/wdmks/pa_win_wdmks.c +++ b/src/hostapi/wdmks/pa_win_wdmks.c @@ -1,66 +1,70 @@ /* - * $Id$ - * PortAudio Windows WDM-KS interface - * - * Author: Andrew Baldwin - * Based on the Open Source API proposed by Ross Bencina - * Copyright (c) 1999-2004 Andrew Baldwin, Ross Bencina, Phil Burk - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files - * (the "Software"), to deal in the Software without restriction, - * including without limitation the rights to use, copy, modify, merge, - * publish, distribute, sublicense, and/or sell copies of the Software, - * and to permit persons to whom the Software is furnished to do so, - * subject to the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR - * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF - * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ +* $Id$ +* PortAudio Windows WDM-KS interface +* +* Author: Andrew Baldwin, Robert Bielik (WaveRT) +* Based on the Open Source API proposed by Ross Bencina +* Copyright (c) 1999-2004 Andrew Baldwin, Ross Bencina, Phil Burk +* +* Permission is hereby granted, free of charge, to any person obtaining +* a copy of this software and associated documentation files +* (the "Software"), to deal in the Software without restriction, +* including without limitation the rights to use, copy, modify, merge, +* publish, distribute, sublicense, and/or sell copies of the Software, +* and to permit persons to whom the Software is furnished to do so, +* subject to the following conditions: +* +* The above copyright notice and this permission notice shall be +* included in all copies or substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR +* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF +* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ /* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ +* The text above constitutes the entire PortAudio license; however, +* the PortAudio community also makes the following non-binding requests: +* +* Any person wishing to distribute modifications to the Software is +* requested to send the modifications to the original developer so that +* they can be incorporated into the canonical version. It is also +* requested that these non-binding requests be included along with the +* license above. +*/ /** @file - @ingroup hostapi_src - @brief Portaudio WDM-KS host API. - - @note This is the implementation of the Portaudio host API using the - Windows WDM/Kernel Streaming API in order to enable very low latency - playback and recording on all modern Windows platforms (e.g. 2K, XP) - Note: This API accesses the device drivers below the usual KMIXER - component which is normally used to enable multi-client mixing and - format conversion. That means that it will lock out all other users - of a device for the duration of active stream using those devices +@ingroup hostapi_src +@brief Portaudio WDM-KS host API. + +@note This is the implementation of the Portaudio host API using the +Windows WDM/Kernel Streaming API in order to enable very low latency +playback and recording on all modern Windows platforms (e.g. 2K, XP, Vista, Win7) +Note: This API accesses the device drivers below the usual KMIXER +component which is normally used to enable multi-client mixing and +format conversion. That means that it will lock out all other users +of a device for the duration of active stream using those devices */ #include +#if (defined(WIN32) && (defined(_MSC_VER) && (_MSC_VER >= 1200))) /* MSC version 6 and above */ +#pragma comment( lib, "setupapi.lib" ) +#endif + /* Debugging/tracing support */ #define PA_LOGE_ #define PA_LOGL_ #ifdef __GNUC__ - #include - #define _WIN32_WINNT 0x0501 - #define WINVER 0x0501 +#include +#define _WIN32_WINNT 0x0501 +#define WINVER 0x0501 #endif #include /* strlen() */ @@ -74,70 +78,95 @@ #include "pa_process.h" #include "portaudio.h" #include "pa_debugprint.h" +#include "pa_memorybarrier.h" +#include "pa_ringbuffer.h" +#include "pa_trace.h" +#include "pa_win_waveformat.h" + +#include "pa_win_wdmks.h" #include #include #include -#ifdef __GNUC__ - #undef PA_LOGE_ - #define PA_LOGE_ PA_DEBUG(("%s {\n",__FUNCTION__)) - #undef PA_LOGL_ - #define PA_LOGL_ PA_DEBUG(("} %s\n",__FUNCTION__)) - /* These defines are set in order to allow the WIndows DirectX - * headers to compile with a GCC compiler such as MinGW - * NOTE: The headers may generate a few warning in GCC, but - * they should compile */ - #define _INC_MMSYSTEM - #define _INC_MMREG - #define _NTRTL_ /* Turn off default definition of DEFINE_GUIDEX */ - #define DEFINE_GUID_THUNK(name,guid) DEFINE_GUID(name,guid) - #define DEFINE_GUIDEX(n) DEFINE_GUID_THUNK( n, STATIC_##n ) - #if !defined( DEFINE_WAVEFORMATEX_GUID ) - #define DEFINE_WAVEFORMATEX_GUID(x) (USHORT)(x), 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 - #endif - #define WAVE_FORMAT_ADPCM 0x0002 - #define WAVE_FORMAT_IEEE_FLOAT 0x0003 - #define WAVE_FORMAT_ALAW 0x0006 - #define WAVE_FORMAT_MULAW 0x0007 - #define WAVE_FORMAT_MPEG 0x0050 - #define WAVE_FORMAT_DRM 0x0009 - #define DYNAMIC_GUID_THUNK(l,w1,w2,b1,b2,b3,b4,b5,b6,b7,b8) {l,w1,w2,{b1,b2,b3,b4,b5,b6,b7,b8}} - #define DYNAMIC_GUID(data) DYNAMIC_GUID_THUNK(data) -#endif +#include -#if (defined(WIN32) && (defined(_MSC_VER) && (_MSC_VER >= 1200))) /* MSC version 6 and above */ -#pragma comment( lib, "setupapi.lib" ) +#ifdef _MSC_VER +#define snprintf _snprintf +#define vsnprintf _vsnprintf #endif -/* use CreateThread for CYGWIN, _beginthreadex for all others */ -#ifndef __CYGWIN__ -#define CREATE_THREAD (HANDLE)_beginthreadex( 0, 0, ProcessingThreadProc, stream, 0, &stream->processingThreadId ) +/* The PA_HP_TRACE macro is used in RT parts, so it can be switched off without affecting +the rest of the debug tracing */ +#if 1 +#define PA_HP_TRACE(x) PaUtil_AddHighSpeedLogMessage x ; #else -#define CREATE_THREAD CreateThread( 0, 0, ProcessingThreadProc, stream, 0, &stream->processingThreadId ) +#define PA_HP_TRACE(x) +#endif + +/* A define that selects whether the resulting pin names are chosen from pin category +instead of the available pin names, who sometimes can be quite cheesy, like "Volume control". +Default is to use the pin category. +*/ +#ifndef PA_WDMKS_USE_CATEGORY_FOR_PIN_NAMES +#define PA_WDMKS_USE_CATEGORY_FOR_PIN_NAMES 1 +#endif + +#ifdef __GNUC__ +#undef PA_LOGE_ +#define PA_LOGE_ PA_DEBUG(("%s {\n",__FUNCTION__)) +#undef PA_LOGL_ +#define PA_LOGL_ PA_DEBUG(("} %s\n",__FUNCTION__)) +/* These defines are set in order to allow the WIndows DirectX +* headers to compile with a GCC compiler such as MinGW +* NOTE: The headers may generate a few warning in GCC, but +* they should compile */ +#define _INC_MMSYSTEM +#define _INC_MMREG +#define _NTRTL_ /* Turn off default definition of DEFINE_GUIDEX */ +#define DEFINE_GUID_THUNK(name,guid) DEFINE_GUID(name,guid) +#define DEFINE_GUIDEX(n) DEFINE_GUID_THUNK( n, STATIC_##n ) +#if !defined( DEFINE_WAVEFORMATEX_GUID ) +#define DEFINE_WAVEFORMATEX_GUID(x) (USHORT)(x), 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71 +#endif +#define WAVE_FORMAT_ADPCM 0x0002 +#define WAVE_FORMAT_IEEE_FLOAT 0x0003 +#define WAVE_FORMAT_ALAW 0x0006 +#define WAVE_FORMAT_MULAW 0x0007 +#define WAVE_FORMAT_MPEG 0x0050 +#define WAVE_FORMAT_DRM 0x0009 +#define DYNAMIC_GUID_THUNK(l,w1,w2,b1,b2,b3,b4,b5,b6,b7,b8) {l,w1,w2,{b1,b2,b3,b4,b5,b6,b7,b8}} +#define DYNAMIC_GUID(data) DYNAMIC_GUID_THUNK(data) #endif -/* use ExitThread for CYGWIN, _endthreadex for all others */ -#ifndef __CYGWIN__ -#define EXIT_THREAD _endthreadex(0) +/* use CreateThread for CYGWIN/Windows Mobile, _beginthreadex for all others */ +#if !defined(__CYGWIN__) && !defined(_WIN32_WCE) +#define CREATE_THREAD_FUNCTION (HANDLE)_beginthreadex +#define PA_THREAD_FUNC static unsigned WINAPI #else -#define EXIT_THREAD ExitThread(0) +#define CREATE_THREAD_FUNCTION CreateThread +#define PA_THREAD_FUNC static DWORD WINAPI #endif #ifdef _MSC_VER - #define NOMMIDS - #define DYNAMIC_GUID(data) {data} - #define _NTRTL_ /* Turn off default definition of DEFINE_GUIDEX */ - #undef DEFINE_GUID - #define DEFINE_GUID(n,data) EXTERN_C const GUID n = {data} - #define DEFINE_GUID_THUNK(n,data) DEFINE_GUID(n,data) - #define DEFINE_GUIDEX(n) DEFINE_GUID_THUNK(n, STATIC_##n) +#define NOMMIDS +#define DYNAMIC_GUID(data) {data} +#define _NTRTL_ /* Turn off default definition of DEFINE_GUIDEX */ +#undef DEFINE_GUID +#define DEFINE_GUID(n,data) EXTERN_C const GUID n = {data} +#define DEFINE_GUID_THUNK(n,data) DEFINE_GUID(n,data) +#define DEFINE_GUIDEX(n) DEFINE_GUID_THUNK(n, STATIC_##n) #endif +#include #include #include + +/* Note that Windows SDK V6.0A or later is needed for WaveRT specific structs to be present in + ksmedia.h. Also make sure that the SDK include path is before other include paths (that may contain + an "old" ksmedia.h), so the proper ksmedia.h is used */ #include -#include + #include #include @@ -146,17 +175,77 @@ typedef KSDDKAPI DWORD WINAPI KSCREATEPIN(HANDLE, PKSPIN_CONNECT, ACCESS_MASK, P extern HMODULE DllKsUser; extern KSCREATEPIN* FunctionKsCreatePin; +/* These definitions allows the use of AVRT.DLL on Vista and later OSs */ +extern HMODULE DllAvRt; +typedef HANDLE WINAPI AVSETMMTHREADCHARACTERISTICS(LPCSTR, LPDWORD TaskIndex); +typedef BOOL WINAPI AVREVERTMMTHREADCHARACTERISTICS(HANDLE); +typedef enum _PA_AVRT_PRIORITY +{ + PA_AVRT_PRIORITY_LOW = -1, + PA_AVRT_PRIORITY_NORMAL, + PA_AVRT_PRIORITY_HIGH, + PA_AVRT_PRIORITY_CRITICAL +} PA_AVRT_PRIORITY, *PPA_AVRT_PRIORITY; +typedef BOOL WINAPI AVSETMMTHREADPRIORITY(HANDLE, PA_AVRT_PRIORITY); +extern AVSETMMTHREADCHARACTERISTICS* FunctionAvSetMmThreadCharacteristics; +extern AVREVERTMMTHREADCHARACTERISTICS* FunctionAvRevertMmThreadCharacteristics; +extern AVSETMMTHREADPRIORITY* FunctionAvSetMmThreadPriority; + +/* An unspecified channel count (-1) is not treated correctly, so we replace it with +* an arbitrarily large number */ +#define MAXIMUM_NUMBER_OF_CHANNELS 256 + /* Forward definition to break circular type reference between pin and filter */ struct __PaWinWdmFilter; typedef struct __PaWinWdmFilter PaWinWdmFilter; +struct __PaWinWdmPin; +typedef struct __PaWinWdmPin PaWinWdmPin; + +struct __PaWinWdmStream; +typedef struct __PaWinWdmStream PaWinWdmStream; + +/* Function prototype for getting audio position */ +typedef PaError (*FunctionGetPinAudioPosition)(PaWinWdmPin*, unsigned long*); + +/* Function prototype for memory barrier */ +typedef void (*FunctionMemoryBarrier)(void); + +struct __PaProcessThreadInfo; +typedef struct __PaProcessThreadInfo PaProcessThreadInfo; + +typedef PaError (*FunctionPinHandler)(PaProcessThreadInfo* pInfo, unsigned eventIndex); + +typedef enum __PaStreamStartEnum +{ + StreamStart_kOk, + StreamStart_kFailed, + StreamStart_kCnt +} PaStreamStartEnum; + +/* Multiplexed input structure. +* Very often several physical inputs are multiplexed through a MUX node (represented in the topology filter) */ +typedef struct __PaWinWdmMuxedInput +{ + wchar_t friendlyName[MAX_PATH]; + ULONG muxPinId; + ULONG muxNodeId; + ULONG endpointPinId; +} PaWinWdmMuxedInput; + /* The Pin structure - * A pin is an input or output node, e.g. for audio flow */ -typedef struct __PaWinWdmPin +* A pin is an input or output node, e.g. for audio flow */ +struct __PaWinWdmPin { HANDLE handle; + PaWinWdmMuxedInput** inputs; + unsigned inputCount; + wchar_t friendlyName[MAX_PATH]; + PaWinWdmFilter* parentFilter; + PaWDMKSSubType pinKsSubType; unsigned long pinId; + unsigned long endpointPinId; /* For output pins */ KSPIN_CONNECT* pinConnect; unsigned long pinConnectSize; KSDATAFORMAT_WAVEFORMATEX* ksDataFormatWfx; @@ -169,25 +258,45 @@ typedef struct __PaWinWdmPin int maxChannels; unsigned long formats; int bestSampleRate; -} -PaWinWdmPin; + ULONG *positionRegister; /* WaveRT */ + ULONG hwLatency; /* WaveRT */ + FunctionMemoryBarrier fnMemBarrier; /* WaveRT */ + FunctionGetPinAudioPosition fnAudioPosition; /* WaveRT */ + FunctionPinHandler fnEventHandler; + FunctionPinHandler fnSubmitHandler; +}; /* The Filter structure - * A filter has a number of pins and a "friendly name" */ +* A filter has a number of pins and a "friendly name" */ struct __PaWinWdmFilter { HANDLE handle; + PaWinWDMKSDeviceInfo devInfo; /* This will hold information that is exposed in PaDeviceInfo */ + + DWORD deviceNode; int pinCount; PaWinWdmPin** pins; - TCHAR filterName[MAX_PATH]; - TCHAR friendlyName[MAX_PATH]; - int maxInputChannels; - int maxOutputChannels; - unsigned long formats; + PaWinWdmFilter* topologyFilter; + wchar_t friendlyName[MAX_PATH]; + int validPinCount; int usageCount; - int bestSampleRate; + KSMULTIPLE_ITEM* connections; + KSMULTIPLE_ITEM* nodes; + int filterRefCount; }; + +typedef struct __PaWinWdmDeviceInfo +{ + PaDeviceInfo inheritedDeviceInfo; + char compositeName[MAX_PATH]; /* Composite name consists of pin name + device name in utf8 */ + PaWinWdmFilter* filter; + unsigned long pin; + int muxPosition; /* Used only for input devices */ + int endpointPinId; +} +PaWinWdmDeviceInfo; + /* PaWinWdmHostApiRepresentation - host api datastructure specific to this implementation */ typedef struct __PaWinWdmHostApiRepresentation { @@ -196,63 +305,114 @@ typedef struct __PaWinWdmHostApiRepresentation PaUtilStreamInterface blockingStreamInterface; PaUtilAllocationGroup* allocations; - PaWinWdmFilter** filters; - int filterCount; + int deviceCount; } PaWinWdmHostApiRepresentation; -typedef struct __PaWinWdmDeviceInfo -{ - PaDeviceInfo inheritedDeviceInfo; - PaWinWdmFilter* filter; -} -PaWinWdmDeviceInfo; - typedef struct __DATAPACKET { KSSTREAM_HEADER Header; OVERLAPPED Signal; } DATAPACKET; +typedef struct __PaIOPacket +{ + DATAPACKET* packet; + unsigned startByte; + unsigned lengthBytes; +} PaIOPacket; + +typedef struct __PaWinWdmIOInfo +{ + PaWinWdmPin* pPin; + char* hostBuffer; + unsigned hostBufferSize; + unsigned framesPerBuffer; + unsigned bytesPerFrame; + unsigned bytesPerSample; + unsigned noOfPackets; /* Only used in WaveCyclic */ + HANDLE *events; /* noOfPackets handles (WaveCyclic) 1 (WaveRT) */ + DATAPACKET *packets; /* noOfPackets packets (WaveCyclic) 2 (WaveRT) */ + /* WaveRT polled mode */ + unsigned lastPosition; + unsigned pollCntr; +} PaWinWdmIOInfo; + /* PaWinWdmStream - a stream data structure specifically for this implementation */ -typedef struct __PaWinWdmStream +struct __PaWinWdmStream { PaUtilStreamRepresentation streamRepresentation; + PaWDMKSSpecificStreamInfo hostApiStreamInfo; /* This holds info that is exposed through PaStreamInfo */ PaUtilCpuLoadMeasurer cpuLoadMeasurer; PaUtilBufferProcessor bufferProcessor; - PaWinWdmPin* recordingPin; - PaWinWdmPin* playbackPin; - char* hostBuffer; - unsigned long framesPerHostIBuffer; - unsigned long framesPerHostOBuffer; - int bytesPerInputFrame; - int bytesPerOutputFrame; +#if PA_TRACE_REALTIME_EVENTS + LogHandle hLog; +#endif + + PaUtilAllocationGroup* allocGroup; + PaWinWdmIOInfo capture; + PaWinWdmIOInfo render; int streamStarted; int streamActive; int streamStop; int streamAbort; int oldProcessPriority; HANDLE streamThread; - HANDLE events[5]; /* 2 play + 2 record packets + abort events */ - DATAPACKET packets[4]; /* 2 play + 2 record */ + HANDLE eventAbort; + HANDLE eventStreamStart[StreamStart_kCnt]; /* 0 = OK, 1 = Failed */ + PaError threadResult; PaStreamFlags streamFlags; + + /* Capture ring buffer */ + PaUtilRingBuffer ringBuffer; + char* ringBufferData; + /* These values handle the case where the user wants to use fewer - * channels than the device has */ + * channels than the device has */ int userInputChannels; int deviceInputChannels; int userOutputChannels; int deviceOutputChannels; - int inputSampleSize; - int outputSampleSize; -} -PaWinWdmStream; +}; -#include +/* Gather all processing variables in a struct */ +struct __PaProcessThreadInfo +{ + PaWinWdmStream *stream; + PaStreamCallbackTimeInfo ti; + PaStreamCallbackFlags underover; + int cbResult; + volatile int pending; + volatile int priming; + volatile int pinsStarted; + unsigned long timeout; + unsigned captureHead; + unsigned captureTail; + unsigned renderHead; + unsigned renderTail; + PaIOPacket capturePackets[4]; + PaIOPacket renderPackets[4]; +}; + +/* Used for transferring device infos during scanning / rescanning */ +typedef struct __PaWinWDMScanDeviceInfosResults +{ + PaDeviceInfo **deviceInfos; + PaDeviceIndex defaultInputDevice; + PaDeviceIndex defaultOutputDevice; +} PaWinWDMScanDeviceInfosResults; + +static const unsigned cPacketsArrayMask = 3; HMODULE DllKsUser = NULL; KSCREATEPIN* FunctionKsCreatePin = NULL; +HMODULE DllAvRt = NULL; +AVSETMMTHREADCHARACTERISTICS* FunctionAvSetMmThreadCharacteristics = NULL; +AVREVERTMMTHREADCHARACTERISTICS* FunctionAvRevertMmThreadCharacteristics = NULL; +AVSETMMTHREADPRIORITY* FunctionAvSetMmThreadPriority = NULL; + /* prototypes for functions declared in this file */ #ifdef __cplusplus @@ -260,7 +420,7 @@ extern "C" { #endif /* __cplusplus */ -PaError PaWinWdm_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index ); + PaError PaWinWdm_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex index ); #ifdef __cplusplus } @@ -268,37 +428,48 @@ PaError PaWinWdm_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiInd /* Low level I/O functions */ static PaError WdmSyncIoctl(HANDLE handle, - unsigned long ioctlNumber, - void* inBuffer, - unsigned long inBufferCount, - void* outBuffer, - unsigned long outBufferCount, - unsigned long* bytesReturned); + unsigned long ioctlNumber, + void* inBuffer, + unsigned long inBufferCount, + void* outBuffer, + unsigned long outBufferCount, + unsigned long* bytesReturned); static PaError WdmGetPropertySimple(HANDLE handle, - const GUID* const guidPropertySet, - unsigned long property, - void* value, - unsigned long valueCount, - void* instance, - unsigned long instanceCount); + const GUID* const guidPropertySet, + unsigned long property, + void* value, + unsigned long valueCount, + void* instance, + unsigned long instanceCount); static PaError WdmSetPropertySimple(HANDLE handle, - const GUID* const guidPropertySet, - unsigned long property, - void* value, - unsigned long valueCount, - void* instance, - unsigned long instanceCount); + const GUID* const guidPropertySet, + unsigned long property, + void* value, + unsigned long valueCount, + void* instance, + unsigned long instanceCount); + static PaError WdmGetPinPropertySimple(HANDLE handle, - unsigned long pinId, - const GUID* const guidPropertySet, - unsigned long property, - void* value, - unsigned long valueCount); + unsigned long pinId, + const GUID* const guidPropertySet, + unsigned long property, + void* value, + unsigned long valueCount, + unsigned long* byteCount); static PaError WdmGetPinPropertyMulti(HANDLE handle, - unsigned long pinId, - const GUID* const guidPropertySet, - unsigned long property, - KSMULTIPLE_ITEM** ksMultipleItem); + unsigned long pinId, + const GUID* const guidPropertySet, + unsigned long property, + KSMULTIPLE_ITEM** ksMultipleItem); +static PaError WdmGetPropertyMulti(HANDLE handle, + const GUID* const guidPropertySet, + unsigned long property, + KSMULTIPLE_ITEM** ksMultipleItem); + +static PaError WdmSetMuxNodeProperty(HANDLE handle, + ULONG nodeId, + ULONG pinId); + /** Pin management functions */ static PaWinWdmPin* PinNew(PaWinWdmFilter* parentFilter, unsigned long pinId, PaError* error); @@ -309,49 +480,47 @@ static PaError PinInstantiate(PaWinWdmPin* pin); static PaError PinSetState(PaWinWdmPin* pin, KSSTATE state); static PaError PinSetFormat(PaWinWdmPin* pin, const WAVEFORMATEX* format); static PaError PinIsFormatSupported(PaWinWdmPin* pin, const WAVEFORMATEX* format); +/* WaveRT support */ +static PaError PinQueryNotificationSupport(PaWinWdmPin* pPin, BOOL* pbResult); +static PaError PinGetBuffer(PaWinWdmPin* pPin, void** pBuffer, DWORD* pRequestedBufSize, BOOL* pbCallMemBarrier); +static PaError PinRegisterPositionRegister(PaWinWdmPin* pPin); +static PaError PinRegisterNotificationHandle(PaWinWdmPin* pPin, HANDLE handle); +static PaError PinUnregisterNotificationHandle(PaWinWdmPin* pPin, HANDLE handle); +static PaError PinGetHwLatency(PaWinWdmPin* pPin, ULONG* pFifoSize, ULONG* pChipsetDelay, ULONG* pCodecDelay); +static PaError PinGetAudioPositionDirect(PaWinWdmPin* pPin, ULONG* pPosition); +static PaError PinGetAudioPositionViaIOCTL(PaWinWdmPin* pPin, ULONG* pPosition); /* Filter management functions */ -static PaWinWdmFilter* FilterNew( - TCHAR* filterName, - TCHAR* friendlyName, - PaError* error); +static PaWinWdmFilter* FilterNew(PaWDMKSType type, DWORD devNode, const wchar_t* filterName, const wchar_t* friendlyName, PaError* error); +static PaError FilterInitializePins(PaWinWdmFilter* filter); static void FilterFree(PaWinWdmFilter* filter); -static PaWinWdmPin* FilterCreateRenderPin( - PaWinWdmFilter* filter, - const WAVEFORMATEX* wfex, - PaError* error); -static PaWinWdmPin* FilterFindViableRenderPin( - PaWinWdmFilter* filter, - const WAVEFORMATEX* wfex, - PaError* error); -static PaError FilterCanCreateRenderPin( - PaWinWdmFilter* filter, - const WAVEFORMATEX* wfex); -static PaWinWdmPin* FilterCreateCapturePin( - PaWinWdmFilter* filter, - const WAVEFORMATEX* wfex, - PaError* error); -static PaWinWdmPin* FilterFindViableCapturePin( - PaWinWdmFilter* filter, - const WAVEFORMATEX* wfex, - PaError* error); -static PaError FilterCanCreateCapturePin( - PaWinWdmFilter* filter, - const WAVEFORMATEX* pwfx); -static PaError FilterUse( - PaWinWdmFilter* filter); -static void FilterRelease( - PaWinWdmFilter* filter); +static void FilterAddRef(PaWinWdmFilter* filter); +static PaWinWdmPin* FilterCreatePin( + PaWinWdmFilter* filter, + int pinId, + const WAVEFORMATEX* wfex, + PaError* error); +static PaError FilterUse(PaWinWdmFilter* filter); +static void FilterRelease(PaWinWdmFilter* filter); + +/* Hot plug functions */ +static BOOL IsDeviceTheSame(const PaWinWdmDeviceInfo* pDev1, + const PaWinWdmDeviceInfo* pDev2); /* Interface functions */ static void Terminate( struct PaUtilHostApiRepresentation *hostApi ); static PaError IsFormatSupported( - struct PaUtilHostApiRepresentation *hostApi, +struct PaUtilHostApiRepresentation *hostApi, const PaStreamParameters *inputParameters, const PaStreamParameters *outputParameters, double sampleRate ); + +static PaError ScanDeviceInfos( struct PaUtilHostApiRepresentation *hostApi, PaHostApiIndex index, void **newDeviceInfos, int *newDeviceCount ); +static PaError CommitDeviceInfos( struct PaUtilHostApiRepresentation *hostApi, PaHostApiIndex index, void *deviceInfos, int deviceCount ); +static PaError DisposeDeviceInfos( struct PaUtilHostApiRepresentation *hostApi, void *deviceInfos, int deviceCount ); + static PaError OpenStream( - struct PaUtilHostApiRepresentation *hostApi, +struct PaUtilHostApiRepresentation *hostApi, PaStream** s, const PaStreamParameters *inputParameters, const PaStreamParameters *outputParameters, @@ -369,27 +538,108 @@ static PaError IsStreamActive( PaStream *stream ); static PaTime GetStreamTime( PaStream *stream ); static double GetStreamCpuLoad( PaStream* stream ); static PaError ReadStream( - PaStream* stream, - void *buffer, - unsigned long frames ); + PaStream* stream, + void *buffer, + unsigned long frames ); static PaError WriteStream( - PaStream* stream, - const void *buffer, - unsigned long frames ); + PaStream* stream, + const void *buffer, + unsigned long frames ); static signed long GetStreamReadAvailable( PaStream* stream ); static signed long GetStreamWriteAvailable( PaStream* stream ); /* Utility functions */ static unsigned long GetWfexSize(const WAVEFORMATEX* wfex); -static PaError BuildFilterList(PaWinWdmHostApiRepresentation* wdmHostApi); +static PaWinWdmFilter** BuildFilterList(int* filterCount, int* noOfPaDevices, PaError* result); static BOOL PinWrite(HANDLE h, DATAPACKET* p); static BOOL PinRead(HANDLE h, DATAPACKET* p); static void DuplicateFirstChannelInt16(void* buffer, int channels, int samples); static void DuplicateFirstChannelInt24(void* buffer, int channels, int samples); -static DWORD WINAPI ProcessingThread(LPVOID pParam); +PA_THREAD_FUNC ProcessingThread(void*); + +/* Pin handler functions */ +static PaError PaPinCaptureEventHandler_WaveCyclic(PaProcessThreadInfo* pInfo, unsigned eventIndex); +static PaError PaPinCaptureSubmitHandler_WaveCyclic(PaProcessThreadInfo* pInfo, unsigned eventIndex); + +static PaError PaPinRenderEventHandler_WaveCyclic(PaProcessThreadInfo* pInfo, unsigned eventIndex); +static PaError PaPinRenderSubmitHandler_WaveCyclic(PaProcessThreadInfo* pInfo, unsigned eventIndex); + +static PaError PaPinCaptureEventHandler_WaveRTEvent(PaProcessThreadInfo* pInfo, unsigned eventIndex); +static PaError PaPinCaptureEventHandler_WaveRTPolled(PaProcessThreadInfo* pInfo, unsigned eventIndex); +static PaError PaPinCaptureSubmitHandler_WaveRTEvent(PaProcessThreadInfo* pInfo, unsigned eventIndex); +static PaError PaPinCaptureSubmitHandler_WaveRTPolled(PaProcessThreadInfo* pInfo, unsigned eventIndex); + +static PaError PaPinRenderEventHandler_WaveRTEvent(PaProcessThreadInfo* pInfo, unsigned eventIndex); +static PaError PaPinRenderEventHandler_WaveRTPolled(PaProcessThreadInfo* pInfo, unsigned eventIndex); +static PaError PaPinRenderSubmitHandler_WaveRTEvent(PaProcessThreadInfo* pInfo, unsigned eventIndex); +static PaError PaPinRenderSubmitHandler_WaveRTPolled(PaProcessThreadInfo* pInfo, unsigned eventIndex); /* Function bodies */ +#if defined(_DEBUG) && defined(PA_ENABLE_DEBUG_OUTPUT) +#define PA_WDMKS_SET_TREF +static PaTime tRef = 0; + +static void PaWinWdmDebugPrintf(const char* fmt, ...) +{ + va_list list; + char buffer[1024]; + PaTime t = PaUtil_GetTime() - tRef; + va_start(list, fmt); + _vsnprintf(buffer, 1023, fmt, list); + va_end(list); + PaUtil_DebugPrint("%6.3lf: %s", t, buffer); +} + +#ifdef PA_DEBUG +#undef PA_DEBUG +#define PA_DEBUG(x) PaWinWdmDebugPrintf x ; +#endif +#endif + +static BOOL IsDeviceTheSame(const PaWinWdmDeviceInfo* pDev1, + const PaWinWdmDeviceInfo* pDev2) +{ + if (pDev1 == NULL || pDev2 == NULL) + return FALSE; + + if (pDev1 == pDev2) + return TRUE; + + if (strcmp(pDev1->compositeName, pDev2->compositeName) == 0) + return TRUE; + + return FALSE; +} + +static BOOL IsEarlierThanVista() +{ + OSVERSIONINFO osvi; + osvi.dwOSVersionInfoSize = sizeof(osvi); + if (GetVersionEx(&osvi) && osvi.dwMajorVersion<6) + { + return TRUE; + } + return FALSE; +} + + + +static void MemoryBarrierDummy(void) +{ + /* Do nothing */ +} + +static void MemoryBarrierRead(void) +{ + PaUtil_ReadMemoryBarrier(); +} + +static void MemoryBarrierWrite(void) +{ + PaUtil_WriteMemoryBarrier(); +} + static unsigned long GetWfexSize(const WAVEFORMATEX* wfex) { if( wfex->wFormatTag == WAVE_FORMAT_PCM ) @@ -402,90 +652,67 @@ static unsigned long GetWfexSize(const WAVEFORMATEX* wfex) } } +static void PaWinWDM_SetLastErrorInfo(long errCode, const char* fmt, ...) +{ + va_list list; + char buffer[1024]; + va_start(list, fmt); + _vsnprintf(buffer, 1023, fmt, list); + va_end(list); + PaUtil_SetLastHostErrorInfo(paWDMKS, errCode, buffer); +} + /* Low level pin/filter access functions */ static PaError WdmSyncIoctl( - HANDLE handle, - unsigned long ioctlNumber, - void* inBuffer, - unsigned long inBufferCount, - void* outBuffer, - unsigned long outBufferCount, - unsigned long* bytesReturned) + HANDLE handle, + unsigned long ioctlNumber, + void* inBuffer, + unsigned long inBufferCount, + void* outBuffer, + unsigned long outBufferCount, + unsigned long* bytesReturned) { PaError result = paNoError; - OVERLAPPED overlapped; - int boolResult; - unsigned long dummyBytesReturned; - unsigned long error; + unsigned long dummyBytesReturned = 0; + BOOL bRes; if( !bytesReturned ) { - /* User a dummy as the caller hasn't supplied one */ + /* Use a dummy as the caller hasn't supplied one */ bytesReturned = &dummyBytesReturned; } - FillMemory((void *)&overlapped,sizeof(overlapped),0); - overlapped.hEvent = CreateEvent(NULL,FALSE,FALSE,NULL); - if( !overlapped.hEvent ) - { - result = paInsufficientMemory; - goto error; - } - overlapped.hEvent = (HANDLE)((DWORD_PTR)overlapped.hEvent | 0x1); - - boolResult = DeviceIoControl(handle, ioctlNumber, inBuffer, inBufferCount, - outBuffer, outBufferCount, bytesReturned, &overlapped); - if( !boolResult ) + bRes = DeviceIoControl(handle, ioctlNumber, inBuffer, inBufferCount, outBuffer, outBufferCount, bytesReturned, NULL); + if (!bRes) { - error = GetLastError(); - if( error == ERROR_IO_PENDING ) - { - error = WaitForSingleObject(overlapped.hEvent,INFINITE); - if( error != WAIT_OBJECT_0 ) - { - result = paUnanticipatedHostError; - goto error; - } - } - else if((( error == ERROR_INSUFFICIENT_BUFFER ) || - ( error == ERROR_MORE_DATA )) && - ( ioctlNumber == IOCTL_KS_PROPERTY ) && - ( outBufferCount == 0 )) - { - boolResult = TRUE; - } - else + unsigned long error = GetLastError(); + if ( !(((error == ERROR_INSUFFICIENT_BUFFER ) || ( error == ERROR_MORE_DATA )) && + ( ioctlNumber == IOCTL_KS_PROPERTY ) && + ( outBufferCount == 0 ) ) ) { + PaWinWDM_SetLastErrorInfo(result, "WdmSyncIoctl: DeviceIoControl GLE = 0x%08X", error); result = paUnanticipatedHostError; } } - if( !boolResult ) - *bytesReturned = 0; - -error: - if( overlapped.hEvent ) - { - CloseHandle( overlapped.hEvent ); - } return result; } static PaError WdmGetPropertySimple(HANDLE handle, - const GUID* const guidPropertySet, - unsigned long property, - void* value, - unsigned long valueCount, - void* instance, - unsigned long instanceCount) + const GUID* const guidPropertySet, + unsigned long property, + void* value, + unsigned long valueCount, + void* instance, + unsigned long instanceCount) { PaError result; KSPROPERTY* ksProperty; unsigned long propertyCount; propertyCount = sizeof(KSPROPERTY) + instanceCount; - ksProperty = (KSPROPERTY*)PaUtil_AllocateMemory( propertyCount ); + ksProperty = (KSPROPERTY*)_alloca( propertyCount ); if( !ksProperty ) { return paInsufficientMemory; @@ -502,33 +729,32 @@ static PaError WdmGetPropertySimple(HANDLE handle, } result = WdmSyncIoctl( - handle, - IOCTL_KS_PROPERTY, - ksProperty, - propertyCount, - value, - valueCount, - NULL); - - PaUtil_FreeMemory( ksProperty ); + handle, + IOCTL_KS_PROPERTY, + ksProperty, + propertyCount, + value, + valueCount, + NULL); + return result; } static PaError WdmSetPropertySimple( - HANDLE handle, - const GUID* const guidPropertySet, - unsigned long property, - void* value, - unsigned long valueCount, - void* instance, - unsigned long instanceCount) + HANDLE handle, + const GUID* const guidPropertySet, + unsigned long property, + void* value, + unsigned long valueCount, + void* instance, + unsigned long instanceCount) { PaError result; KSPROPERTY* ksProperty; unsigned long propertyCount = 0; propertyCount = sizeof(KSPROPERTY) + instanceCount; - ksProperty = (KSPROPERTY*)PaUtil_AllocateMemory( propertyCount ); + ksProperty = (KSPROPERTY*)_alloca( propertyCount ); if( !ksProperty ) { return paInsufficientMemory; @@ -544,25 +770,25 @@ static PaError WdmSetPropertySimple( } result = WdmSyncIoctl( - handle, - IOCTL_KS_PROPERTY, - ksProperty, - propertyCount, - value, - valueCount, - NULL); - - PaUtil_FreeMemory( ksProperty ); + handle, + IOCTL_KS_PROPERTY, + ksProperty, + propertyCount, + value, + valueCount, + NULL); + return result; } static PaError WdmGetPinPropertySimple( - HANDLE handle, - unsigned long pinId, - const GUID* const guidPropertySet, - unsigned long property, - void* value, - unsigned long valueCount) + HANDLE handle, + unsigned long pinId, + const GUID* const guidPropertySet, + unsigned long property, + void* value, + unsigned long valueCount, + unsigned long *byteCount) { PaError result; @@ -574,23 +800,23 @@ static PaError WdmGetPinPropertySimple( ksPProp.Reserved = 0; result = WdmSyncIoctl( - handle, - IOCTL_KS_PROPERTY, - &ksPProp, - sizeof(KSP_PIN), - value, - valueCount, - NULL); + handle, + IOCTL_KS_PROPERTY, + &ksPProp, + sizeof(KSP_PIN), + value, + valueCount, + byteCount); return result; } static PaError WdmGetPinPropertyMulti( - HANDLE handle, - unsigned long pinId, - const GUID* const guidPropertySet, - unsigned long property, - KSMULTIPLE_ITEM** ksMultipleItem) + HANDLE handle, + unsigned long pinId, + const GUID* const guidPropertySet, + unsigned long property, + KSMULTIPLE_ITEM** ksMultipleItem) { PaError result; unsigned long multipleItemSize = 0; @@ -603,13 +829,13 @@ static PaError WdmGetPinPropertyMulti( ksPProp.Reserved = 0; result = WdmSyncIoctl( - handle, - IOCTL_KS_PROPERTY, - &ksPProp.Property, - sizeof(KSP_PIN), - NULL, - 0, - &multipleItemSize); + handle, + IOCTL_KS_PROPERTY, + &ksPProp.Property, + sizeof(KSP_PIN), + NULL, + 0, + &multipleItemSize); if( result != paNoError ) { return result; @@ -622,13 +848,13 @@ static PaError WdmGetPinPropertyMulti( } result = WdmSyncIoctl( - handle, - IOCTL_KS_PROPERTY, - &ksPProp, - sizeof(KSP_PIN), - (void*)*ksMultipleItem, - multipleItemSize, - NULL); + handle, + IOCTL_KS_PROPERTY, + &ksPProp, + sizeof(KSP_PIN), + (void*)*ksMultipleItem, + multipleItemSize, + NULL); if( result != paNoError ) { @@ -638,134 +864,489 @@ static PaError WdmGetPinPropertyMulti( return result; } - -/* -Create a new pin object belonging to a filter -The pin object holds all the configuration information about the pin -before it is opened, and then the handle of the pin after is opened -*/ -static PaWinWdmPin* PinNew(PaWinWdmFilter* parentFilter, unsigned long pinId, PaError* error) +static PaError WdmGetPropertyMulti(HANDLE handle, + const GUID* const guidPropertySet, + unsigned long property, + KSMULTIPLE_ITEM** ksMultipleItem) { - PaWinWdmPin* pin; PaError result; - unsigned long i; - KSMULTIPLE_ITEM* item = NULL; - KSIDENTIFIER* identifier; - KSDATARANGE* dataRange; + unsigned long multipleItemSize = 0; + KSPROPERTY ksProp; - PA_LOGE_; - PA_DEBUG(("Creating pin %d:\n",pinId)); + ksProp.Set = *guidPropertySet; + ksProp.Id = property; + ksProp.Flags = KSPROPERTY_TYPE_GET; - /* Allocate the new PIN object */ - pin = (PaWinWdmPin*)PaUtil_AllocateMemory( sizeof(PaWinWdmPin) ); - if( !pin ) + result = WdmSyncIoctl( + handle, + IOCTL_KS_PROPERTY, + &ksProp, + sizeof(KSPROPERTY), + NULL, + 0, + &multipleItemSize); + if( result != paNoError ) { - result = paInsufficientMemory; - goto error; + return result; } - /* Zero the pin object */ - /* memset( (void*)pin, 0, sizeof(PaWinWdmPin) ); */ - - pin->parentFilter = parentFilter; - pin->pinId = pinId; - - /* Allocate a connect structure */ - pin->pinConnectSize = sizeof(KSPIN_CONNECT) + sizeof(KSDATAFORMAT_WAVEFORMATEX); - pin->pinConnect = (KSPIN_CONNECT*)PaUtil_AllocateMemory( pin->pinConnectSize ); - if( !pin->pinConnect ) + *ksMultipleItem = (KSMULTIPLE_ITEM*)PaUtil_AllocateMemory( multipleItemSize ); + if( !*ksMultipleItem ) { - result = paInsufficientMemory; - goto error; + return paInsufficientMemory; } - /* Configure the connect structure with default values */ - pin->pinConnect->Interface.Set = KSINTERFACESETID_Standard; - pin->pinConnect->Interface.Id = KSINTERFACE_STANDARD_STREAMING; - pin->pinConnect->Interface.Flags = 0; - pin->pinConnect->Medium.Set = KSMEDIUMSETID_Standard; - pin->pinConnect->Medium.Id = KSMEDIUM_TYPE_ANYINSTANCE; - pin->pinConnect->Medium.Flags = 0; - pin->pinConnect->PinId = pinId; - pin->pinConnect->PinToHandle = NULL; - pin->pinConnect->Priority.PriorityClass = KSPRIORITY_NORMAL; - pin->pinConnect->Priority.PrioritySubClass = 1; - pin->ksDataFormatWfx = (KSDATAFORMAT_WAVEFORMATEX*)(pin->pinConnect + 1); - pin->ksDataFormatWfx->DataFormat.FormatSize = sizeof(KSDATAFORMAT_WAVEFORMATEX); - pin->ksDataFormatWfx->DataFormat.Flags = 0; - pin->ksDataFormatWfx->DataFormat.Reserved = 0; - pin->ksDataFormatWfx->DataFormat.MajorFormat = KSDATAFORMAT_TYPE_AUDIO; - pin->ksDataFormatWfx->DataFormat.SubFormat = KSDATAFORMAT_SUBTYPE_PCM; - pin->ksDataFormatWfx->DataFormat.Specifier = KSDATAFORMAT_SPECIFIER_WAVEFORMATEX; - - pin->frameSize = 0; /* Unknown until we instantiate pin */ + result = WdmSyncIoctl( + handle, + IOCTL_KS_PROPERTY, + &ksProp, + sizeof(KSPROPERTY), + (void*)*ksMultipleItem, + multipleItemSize, + NULL); - /* Get the COMMUNICATION property */ - result = WdmGetPinPropertySimple( - parentFilter->handle, - pinId, - &KSPROPSETID_Pin, - KSPROPERTY_PIN_COMMUNICATION, - &pin->communication, - sizeof(KSPIN_COMMUNICATION)); if( result != paNoError ) - goto error; - - if( /*(pin->communication != KSPIN_COMMUNICATION_SOURCE) &&*/ - (pin->communication != KSPIN_COMMUNICATION_SINK) && - (pin->communication != KSPIN_COMMUNICATION_BOTH) ) { - PA_DEBUG(("Not source/sink\n")); - result = paInvalidDevice; - goto error; + PaUtil_FreeMemory( ksMultipleItem ); } - /* Get dataflow information */ - result = WdmGetPinPropertySimple( - parentFilter->handle, - pinId, - &KSPROPSETID_Pin, - KSPROPERTY_PIN_DATAFLOW, - &pin->dataFlow, - sizeof(KSPIN_DATAFLOW)); + return result; +} - if( result != paNoError ) - goto error; +static PaError WdmSetMuxNodeProperty(HANDLE handle, + ULONG nodeId, + ULONG pinId) +{ + PaError result = paNoError; + KSNODEPROPERTY prop; + prop.Property.Set = KSPROPSETID_Audio; + prop.Property.Id = KSPROPERTY_AUDIO_MUX_SOURCE; + prop.Property.Flags = KSPROPERTY_TYPE_SET | KSPROPERTY_TYPE_TOPOLOGY; + prop.NodeId = nodeId; + prop.Reserved = 0; - /* Get the INTERFACE property list */ - result = WdmGetPinPropertyMulti( - parentFilter->handle, - pinId, - &KSPROPSETID_Pin, - KSPROPERTY_PIN_INTERFACES, - &item); + result = WdmSyncIoctl(handle, IOCTL_KS_PROPERTY, &prop, sizeof(KSNODEPROPERTY), &pinId, sizeof(ULONG), NULL); - if( result != paNoError ) - goto error; + return result; +} - identifier = (KSIDENTIFIER*)(item+1); +/* Used when traversing topology for outputs */ +static const KSTOPOLOGY_CONNECTION* GetConnectionTo(const KSTOPOLOGY_CONNECTION* pFrom, PaWinWdmFilter* filter, int muxIdx) +{ + unsigned i; + const KSTOPOLOGY_CONNECTION* retval = NULL; + const KSTOPOLOGY_CONNECTION* connections = (const KSTOPOLOGY_CONNECTION*)(filter->connections + 1); + (void)muxIdx; + PA_DEBUG(("GetConnectionTo: Checking %u connections... (pFrom = %p)", filter->connections->Count, pFrom)); + for (i = 0; i < filter->connections->Count; ++i) + { + const KSTOPOLOGY_CONNECTION* pConn = connections + i; + if (pConn == pFrom) + continue; - /* Check that at least one interface is STANDARD_STREAMING */ - result = paUnanticipatedHostError; - for( i = 0; i < item->Count; i++ ) + if (pConn->FromNode == pFrom->ToNode) + { + retval = pConn; + break; + } + } + PA_DEBUG(("GetConnectionTo: Returning %p\n", retval)); + return retval; +} + +/* Used when traversing topology for inputs */ +static const KSTOPOLOGY_CONNECTION* GetConnectionFrom(const KSTOPOLOGY_CONNECTION* pTo, PaWinWdmFilter* filter, int muxIdx) +{ + unsigned i; + const KSTOPOLOGY_CONNECTION* retval = NULL; + const KSTOPOLOGY_CONNECTION* connections = (const KSTOPOLOGY_CONNECTION*)(filter->connections + 1); + int muxCntr = 0; + PA_DEBUG(("GetConnectionFrom: Checking %u connections... (pTo = %p)\n", filter->connections->Count, pTo)); + for (i = 0; i < filter->connections->Count; ++i) { - if( !memcmp( (void*)&identifier[i].Set, (void*)&KSINTERFACESETID_Standard, sizeof( GUID ) ) && - ( identifier[i].Id == KSINTERFACE_STANDARD_STREAMING ) ) + const KSTOPOLOGY_CONNECTION* pConn = connections + i; + if (pConn == pTo) + continue; + + if (pConn->ToNode == pTo->FromNode) { - result = paNoError; + if (muxIdx >= 0) + { + if (muxCntr < muxIdx) + { + ++muxCntr; + continue; + } + } + retval = pConn; break; } } + PA_DEBUG(("GetConnectionFrom: Returning %p\n", retval)); + return retval; +} - if( result != paNoError ) +static ULONG GetNumberOfConnectionsTo(const KSTOPOLOGY_CONNECTION* pTo, PaWinWdmFilter* filter) +{ + ULONG retval = 0; + unsigned i; + const KSTOPOLOGY_CONNECTION* connections = (const KSTOPOLOGY_CONNECTION*)(filter->connections + 1); + PA_DEBUG(("GetNumberOfConnectionsTo: Checking %u connections...", filter->connections->Count)); + for (i = 0; i < filter->connections->Count; ++i) { - PA_DEBUG(("No standard streaming\n")); - goto error; + const KSTOPOLOGY_CONNECTION* pConn = connections + i; + if (pConn->ToNode == pTo->FromNode && + (pTo->FromNode != KSFILTER_NODE || pConn->ToNodePin == pTo->FromNodePin)) + { + ++retval; + } } + return retval; +} - /* Don't need interfaces any more */ - PaUtil_FreeMemory( item ); - item = NULL; +typedef const KSTOPOLOGY_CONNECTION *(*TFnGetConnection)(const KSTOPOLOGY_CONNECTION*, PaWinWdmFilter*, int); + +static const KSTOPOLOGY_CONNECTION* FindStartConnectionFrom(ULONG startPin, PaWinWdmFilter* filter) +{ + unsigned i; + const KSTOPOLOGY_CONNECTION* connections = (const KSTOPOLOGY_CONNECTION*)(filter->connections + 1); + PA_DEBUG(("FindStartConnectionFrom: Checking %u connections...", filter->connections->Count)); + for (i = 0; i < filter->connections->Count; ++i) + { + const KSTOPOLOGY_CONNECTION* pConn = connections + i; + if (pConn->ToNode == KSFILTER_NODE && pConn->ToNodePin == startPin) + { + return pConn; + } + } + + assert(FALSE); + return 0; +} + +static const KSTOPOLOGY_CONNECTION* FindStartConnectionTo(ULONG startPin, PaWinWdmFilter* filter) +{ + unsigned i; + const KSTOPOLOGY_CONNECTION* connections = (const KSTOPOLOGY_CONNECTION*)(filter->connections + 1); + PA_DEBUG(("FindStartConnectionTo: Checking %u connections...", filter->connections->Count)); + for (i = 0; i < filter->connections->Count; ++i) + { + const KSTOPOLOGY_CONNECTION* pConn = connections + i; + if (pConn->FromNode == KSFILTER_NODE && pConn->FromNodePin == startPin) + { + return pConn; + } + } + + assert(FALSE); + return 0; +} + +static ULONG GetConnectedPin(ULONG startPin, BOOL forward, PaWinWdmFilter* filter, int muxPosition, ULONG *muxInputPinId, ULONG *muxNodeId) +{ + const KSTOPOLOGY_CONNECTION *conn = NULL; + TFnGetConnection fnGetConnection = forward ? GetConnectionTo : GetConnectionFrom ; + while (1) + { + if (conn == NULL) + { + conn = forward ? FindStartConnectionTo(startPin, filter) : FindStartConnectionFrom(startPin, filter); + } + else + { + conn = fnGetConnection(conn, filter, -1); + } + + /* Handling case of erroneous connection list */ + if (conn == NULL) + { + break; + } + + if (forward ? conn->ToNode == KSFILTER_NODE : conn->FromNode == KSFILTER_NODE) + { + return forward ? conn->ToNodePin : conn->FromNodePin; + } + else + { + PA_DEBUG(("GetConnectedPin: count=%d, forward=%d, muxPosition=%d\n", filter->nodes->Count, forward, muxPosition)); + if (filter->nodes->Count > 0 && !forward && muxPosition >= 0) + { + const GUID* nodes = (const GUID*)(filter->nodes + 1); + if (IsEqualGUID(&nodes[conn->FromNode], &KSNODETYPE_MUX)) + { + ULONG nConn = GetNumberOfConnectionsTo(conn, filter); + conn = fnGetConnection(conn, filter, muxPosition); + if (conn == NULL) + { + break; + } + if (muxInputPinId != 0) + { + *muxInputPinId = conn->ToNodePin; + } + if (muxNodeId != 0) + { + *muxNodeId = conn->ToNode; + } + } + } + } + } + return KSFILTER_NODE; +} + +static void DumpConnectionsAndNodes(PaWinWdmFilter* filter) +{ + unsigned i; + const KSTOPOLOGY_CONNECTION* connections = (const KSTOPOLOGY_CONNECTION*)(filter->connections + 1); + const GUID* nodes = (const GUID*)(filter->nodes + 1); + + PA_DEBUG(("DumpConnectionsAndNodes: connections=%d, nodes=%d\n", filter->connections->Count, filter->nodes->Count)); + + for (i=0; i < filter->connections->Count; ++i) + { + const KSTOPOLOGY_CONNECTION* pConn = connections + i; + PA_DEBUG((" Connection: %u - FromNode=%u,FromPin=%u -> ToNode=%u,ToPin=%u\n", + i, + pConn->FromNode, pConn->FromNodePin, + pConn->ToNode, pConn->ToNodePin + )); + } + + for (i=0; i < filter->nodes->Count; ++i) + { + const GUID* pConn = nodes + i; + PA_DEBUG((" Node: %d - {%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X}\n", + i, + pConn->Data1, pConn->Data2, pConn->Data3, + pConn->Data4[0], pConn->Data4[1], + pConn->Data4[2], pConn->Data4[3], + pConn->Data4[4], pConn->Data4[5], + pConn->Data4[6], pConn->Data4[7] + )); + } + +} + +typedef struct __PaUsbTerminalGUIDToName +{ + USHORT usbGUID; + wchar_t name[64]; +} PaUsbTerminalGUIDToName; + +static const PaUsbTerminalGUIDToName kNames[] = +{ + /* Types copied from: http://msdn.microsoft.com/en-us/library/ff537742(v=vs.85).aspx */ + /* Input terminal types */ + { 0x0201, L"Microphone" }, + { 0x0202, L"Desktop Microphone" }, + { 0x0203, L"Personal Microphone" }, + { 0x0204, L"Omni Directional Microphone" }, + { 0x0205, L"Microphone Array" }, + { 0x0206, L"Processing Microphone Array" }, + /* Output terminal types */ + { 0x0301, L"Speakers" }, + { 0x0302, L"Headphones" }, + { 0x0303, L"Head Mounted Display Audio" }, + { 0x0304, L"Desktop Speaker" }, + { 0x0305, L"Room Speaker" }, + { 0x0306, L"Communication Speaker" }, + { 0x0307, L"LFE Speakers" }, + /* External terminal types */ + { 0x0601, L"Analog" }, + { 0x0602, L"Digital" }, + { 0x0603, L"Line" }, + { 0x0604, L"Audio" }, + { 0x0605, L"SPDIF" }, +}; + +static const unsigned kNamesCnt = sizeof(kNames)/sizeof(PaUsbTerminalGUIDToName); + +static int PaUsbTerminalGUIDToNameCmp(const void* lhs, const void* rhs) +{ + const PaUsbTerminalGUIDToName* pL = (const PaUsbTerminalGUIDToName*)lhs; + const PaUsbTerminalGUIDToName* pR = (const PaUsbTerminalGUIDToName*)rhs; + return ((int)(pL->usbGUID) - (int)(pR->usbGUID)); +} + +static PaError GetNameFromCategory(const GUID* pGUID, BOOL input, wchar_t* name, unsigned length) +{ + PaError result = paUnanticipatedHostError; + USHORT usbTerminalGUID = (USHORT)(pGUID->Data1 - 0xDFF219E0); + + if (input && usbTerminalGUID >= 0x301 && usbTerminalGUID < 0x400) + { + /* Output terminal name for an input !? Set it to Line! */ + usbTerminalGUID = 0x603; + } + if (!input && usbTerminalGUID >= 0x201 && usbTerminalGUID < 0x300) + { + /* Input terminal name for an output !? Set it to Line! */ + usbTerminalGUID = 0x603; + } + if (usbTerminalGUID >= 0x201 && usbTerminalGUID < 0x713) + { + PaUsbTerminalGUIDToName s = { usbTerminalGUID }; + const PaUsbTerminalGUIDToName* ptr = bsearch( + &s, + kNames, + kNamesCnt, + sizeof(PaUsbTerminalGUIDToName), + PaUsbTerminalGUIDToNameCmp + ); + if (ptr != 0) + { + PA_DEBUG(("GetNameFromCategory: USB GUID %04X -> '%S'\n", usbTerminalGUID, ptr->name)); + + if (name != NULL && length > 0) + { + int n = _snwprintf(name, length, L"%s", ptr->name); + if (usbTerminalGUID >= 0x601 && usbTerminalGUID < 0x700) + { + _snwprintf(name + n, length - n, L" %s", (input ? L"In":L"Out")); + } + } + result = paNoError; + } + } + else + { + PaWinWDM_SetLastErrorInfo(result, "GetNameFromCategory: usbTerminalGUID = %04X ", usbTerminalGUID); + } + return result; +} + + +/* +Create a new pin object belonging to a filter +The pin object holds all the configuration information about the pin +before it is opened, and then the handle of the pin after is opened +*/ +static PaWinWdmPin* PinNew(PaWinWdmFilter* parentFilter, unsigned long pinId, PaError* error) +{ + PaWinWdmPin* pin; + PaError result; + unsigned long i; + KSMULTIPLE_ITEM* item = NULL; + KSIDENTIFIER* identifier; + KSDATARANGE* dataRange; + const ULONG streamingId = (parentFilter->devInfo.streamingType == Type_kWaveRT) ? KSINTERFACE_STANDARD_LOOPED_STREAMING : KSINTERFACE_STANDARD_STREAMING; + + PA_LOGE_; + PA_DEBUG(("PinNew: Creating pin %d:\n",pinId)); + + /* Allocate the new PIN object */ + pin = (PaWinWdmPin*)PaUtil_AllocateMemory( sizeof(PaWinWdmPin) ); + if( !pin ) + { + result = paInsufficientMemory; + goto error; + } + + /* Zero the pin object */ + /* memset( (void*)pin, 0, sizeof(PaWinWdmPin) ); */ + + pin->parentFilter = parentFilter; + pin->pinId = pinId; + + /* Allocate a connect structure */ + pin->pinConnectSize = sizeof(KSPIN_CONNECT) + sizeof(KSDATAFORMAT_WAVEFORMATEX); + pin->pinConnect = (KSPIN_CONNECT*)PaUtil_AllocateMemory( pin->pinConnectSize ); + if( !pin->pinConnect ) + { + result = paInsufficientMemory; + goto error; + } + + /* Configure the connect structure with default values */ + pin->pinConnect->Interface.Set = KSINTERFACESETID_Standard; + pin->pinConnect->Interface.Id = streamingId; + pin->pinConnect->Interface.Flags = 0; + pin->pinConnect->Medium.Set = KSMEDIUMSETID_Standard; + pin->pinConnect->Medium.Id = KSMEDIUM_TYPE_ANYINSTANCE; + pin->pinConnect->Medium.Flags = 0; + pin->pinConnect->PinId = pinId; + pin->pinConnect->PinToHandle = NULL; + pin->pinConnect->Priority.PriorityClass = KSPRIORITY_NORMAL; + pin->pinConnect->Priority.PrioritySubClass = 1; + pin->ksDataFormatWfx = (KSDATAFORMAT_WAVEFORMATEX*)(pin->pinConnect + 1); + pin->ksDataFormatWfx->DataFormat.FormatSize = sizeof(KSDATAFORMAT_WAVEFORMATEX); + pin->ksDataFormatWfx->DataFormat.Flags = 0; + pin->ksDataFormatWfx->DataFormat.Reserved = 0; + pin->ksDataFormatWfx->DataFormat.MajorFormat = KSDATAFORMAT_TYPE_AUDIO; + pin->ksDataFormatWfx->DataFormat.SubFormat = KSDATAFORMAT_SUBTYPE_PCM; + pin->ksDataFormatWfx->DataFormat.Specifier = KSDATAFORMAT_SPECIFIER_WAVEFORMATEX; + + pin->frameSize = 0; /* Unknown until we instantiate pin */ + + /* Get the COMMUNICATION property */ + result = WdmGetPinPropertySimple( + parentFilter->handle, + pinId, + &KSPROPSETID_Pin, + KSPROPERTY_PIN_COMMUNICATION, + &pin->communication, + sizeof(KSPIN_COMMUNICATION), + NULL); + if( result != paNoError ) + goto error; + + if( /*(pin->communication != KSPIN_COMMUNICATION_SOURCE) &&*/ + (pin->communication != KSPIN_COMMUNICATION_SINK) && + (pin->communication != KSPIN_COMMUNICATION_BOTH) ) + { + PA_DEBUG(("PinNew: Not source/sink\n")); + result = paInvalidDevice; + goto error; + } + + /* Get dataflow information */ + result = WdmGetPinPropertySimple( + parentFilter->handle, + pinId, + &KSPROPSETID_Pin, + KSPROPERTY_PIN_DATAFLOW, + &pin->dataFlow, + sizeof(KSPIN_DATAFLOW), + NULL); + + if( result != paNoError ) + goto error; + + /* Get the INTERFACE property list */ + result = WdmGetPinPropertyMulti( + parentFilter->handle, + pinId, + &KSPROPSETID_Pin, + KSPROPERTY_PIN_INTERFACES, + &item); + + if( result != paNoError ) + goto error; + + identifier = (KSIDENTIFIER*)(item+1); + + /* Check that at least one interface is STANDARD_STREAMING */ + result = paUnanticipatedHostError; + for( i = 0; i < item->Count; i++ ) + { + if( IsEqualGUID(&identifier[i].Set, &KSINTERFACESETID_Standard) && ( identifier[i].Id == streamingId ) ) + { + result = paNoError; + break; + } + } + + if( result != paNoError ) + { + PA_DEBUG(("PinNew: No %s streaming\n", streamingId==KSINTERFACE_STANDARD_LOOPED_STREAMING?"looped":"standard")); + goto error; + } + + /* Don't need interfaces any more */ + PaUtil_FreeMemory( item ); + item = NULL; /* Get the MEDIUM properties list */ result = WdmGetPinPropertyMulti( @@ -784,8 +1365,7 @@ static PaWinWdmPin* PinNew(PaWinWdmFilter* parentFilter, unsigned long pinId, Pa result = paUnanticipatedHostError; for( i = 0; i < item->Count; i++ ) { - if( !memcmp( (void*)&identifier[i].Set, (void*)&KSMEDIUMSETID_Standard, sizeof( GUID ) ) && - ( identifier[i].Id == KSMEDIUM_STANDARD_DEVIO ) ) + if( IsEqualGUID(&identifier[i].Set, &KSMEDIUMSETID_Standard) && ( identifier[i].Id == KSMEDIUM_STANDARD_DEVIO ) ) { result = paNoError; break; @@ -820,47 +1400,75 @@ static PaWinWdmPin* PinNew(PaWinWdmFilter* parentFilter, unsigned long pinId, Pa pin->maxChannels = 0; pin->bestSampleRate = 0; pin->formats = 0; - for( i = 0; i dataRangesItem->Count; i++) + PA_DEBUG(("PinNew: Checking %u no of dataranges...\n", pin->dataRangesItem->Count)); + for( i = 0; i < pin->dataRangesItem->Count; i++) { - PA_DEBUG(("DR major format %x\n",*(unsigned long*)(&(dataRange->MajorFormat)))); + PA_DEBUG(("PinNew: DR major format %x\n",*(unsigned long*)(&(dataRange->MajorFormat)))); /* Check that subformat is WAVEFORMATEX, PCM or WILDCARD */ if( IS_VALID_WAVEFORMATEX_GUID(&dataRange->SubFormat) || - !memcmp((void*)&dataRange->SubFormat, (void*)&KSDATAFORMAT_SUBTYPE_PCM, sizeof ( GUID ) ) || - ( !memcmp((void*)&dataRange->SubFormat, (void*)&KSDATAFORMAT_SUBTYPE_WILDCARD, sizeof ( GUID ) ) && - ( !memcmp((void*)&dataRange->MajorFormat, (void*)&KSDATAFORMAT_TYPE_AUDIO, sizeof ( GUID ) ) ) ) ) + IsEqualGUID(&dataRange->SubFormat, &KSDATAFORMAT_SUBTYPE_PCM) || + IsEqualGUID(&dataRange->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT) || + IsEqualGUID(&dataRange->SubFormat, &KSDATAFORMAT_SUBTYPE_WILDCARD) || + IsEqualGUID(&dataRange->MajorFormat, &KSDATAFORMAT_TYPE_AUDIO) ) { result = paNoError; /* Record the maximum possible channels with this pin */ - PA_DEBUG(("MaxChannel: %d\n",pin->maxChannels)); - if( (int)((KSDATARANGE_AUDIO*)dataRange)->MaximumChannels > pin->maxChannels ) + if( ((KSDATARANGE_AUDIO*)dataRange)->MaximumChannels == (ULONG) -1 ) + { + pin->maxChannels = MAXIMUM_NUMBER_OF_CHANNELS; + } + else if( (int) ((KSDATARANGE_AUDIO*)dataRange)->MaximumChannels > pin->maxChannels ) { - pin->maxChannels = ((KSDATARANGE_AUDIO*)dataRange)->MaximumChannels; - /*PA_DEBUG(("MaxChannel: %d\n",pin->maxChannels));*/ + pin->maxChannels = (int) ((KSDATARANGE_AUDIO*)dataRange)->MaximumChannels; } + PA_DEBUG(("PinNew: MaxChannel: %d\n",pin->maxChannels)); + /* Record the formats (bit depths) that are supported */ - if( ((KSDATARANGE_AUDIO*)dataRange)->MinimumBitsPerSample <= 16 ) + if( ((KSDATARANGE_AUDIO*)dataRange)->MinimumBitsPerSample <= 8 && + ((KSDATARANGE_AUDIO*)dataRange)->MaximumBitsPerSample >= 8) + { + pin->formats |= paInt8; + PA_DEBUG(("PinNew: Format PCM 8 bit supported\n")); + } + if( ((KSDATARANGE_AUDIO*)dataRange)->MinimumBitsPerSample <= 16 && + ((KSDATARANGE_AUDIO*)dataRange)->MaximumBitsPerSample >= 16) { pin->formats |= paInt16; - PA_DEBUG(("Format 16 bit supported\n")); + PA_DEBUG(("PinNew: Format PCM 16 bit supported\n")); } - if( ((KSDATARANGE_AUDIO*)dataRange)->MaximumBitsPerSample >= 24 ) + if( ((KSDATARANGE_AUDIO*)dataRange)->MinimumBitsPerSample <= 24 && + ((KSDATARANGE_AUDIO*)dataRange)->MaximumBitsPerSample >= 24 ) { pin->formats |= paInt24; - PA_DEBUG(("Format 24 bit supported\n")); + PA_DEBUG(("PinNew: Format PCM 24 bit supported\n")); + } + if( ((KSDATARANGE_AUDIO*)dataRange)->MinimumBitsPerSample <= 32 && + ((KSDATARANGE_AUDIO*)dataRange)->MaximumBitsPerSample >= 32 ) + { + if (IsEqualGUID(&dataRange->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT)) + { + pin->formats |= paFloat32; + PA_DEBUG(("PinNew: Format IEEE float 32 bit supported\n")); + } + else + { + pin->formats |= paInt32; + PA_DEBUG(("PinNew: Format PCM 32 bit supported\n")); + } } if( ( pin->bestSampleRate != 48000) && (((KSDATARANGE_AUDIO*)dataRange)->MaximumSampleFrequency >= 48000) && (((KSDATARANGE_AUDIO*)dataRange)->MinimumSampleFrequency <= 48000) ) { pin->bestSampleRate = 48000; - PA_DEBUG(("48kHz supported\n")); + PA_DEBUG(("PinNew: 48kHz supported\n")); } else if(( pin->bestSampleRate != 48000) && ( pin->bestSampleRate != 44100 ) && (((KSDATARANGE_AUDIO*)dataRange)->MaximumSampleFrequency >= 44100) && (((KSDATARANGE_AUDIO*)dataRange)->MinimumSampleFrequency <= 44100) ) { pin->bestSampleRate = 44100; - PA_DEBUG(("44.1kHz supported\n")); + PA_DEBUG(("PinNew: 44.1kHz supported\n")); } else { @@ -880,50 +1488,443 @@ static PaWinWdmPin* PinNew(PaWinWdmFilter* parentFilter, unsigned long pinId, Pa &KSPROPSETID_Pin, KSPROPERTY_PIN_CINSTANCES, &pin->instances, - sizeof(KSPIN_CINSTANCES)); + sizeof(KSPIN_CINSTANCES), + NULL); if( result != paNoError ) goto error; - /* Success */ - *error = paNoError; - PA_DEBUG(("Pin created successfully\n")); - PA_LOGL_; - return pin; - -error: - /* - Error cleanup - */ - PaUtil_FreeMemory( item ); - if( pin ) + /* If WaveRT, check if pin supports notification mode */ + if (parentFilter->devInfo.streamingType == Type_kWaveRT) { - PaUtil_FreeMemory( pin->pinConnect ); - PaUtil_FreeMemory( pin->dataRangesItem ); - PaUtil_FreeMemory( pin ); + BOOL bSupportsNotification = FALSE; + if (PinQueryNotificationSupport(pin, &bSupportsNotification) == paNoError) + { + pin->pinKsSubType = bSupportsNotification ? SubType_kNotification : SubType_kPolled; + } } - *error = result; - PA_LOGL_; - return NULL; -} -/* -Safely free all resources associated with the pin -*/ -static void PinFree(PaWinWdmPin* pin) -{ - PA_LOGE_; - if( pin ) + /* Query pin name (which means we need to traverse to non IRP pin, via physical connection to topology filter pin, through + its nodes to the endpoint pin, and get that ones name... phew...) */ + PA_DEBUG(("PinNew: Finding topology pin...\n")); + { - PinClose(pin); - if( pin->pinConnect ) + ULONG topoPinId = GetConnectedPin(pinId, (pin->dataFlow == KSPIN_DATAFLOW_IN), parentFilter, -1, NULL, NULL); + + if (topoPinId != KSFILTER_NODE) { - PaUtil_FreeMemory( pin->pinConnect ); - } + /* Get physical connection for topo pin */ + unsigned long cbBytes = 0; + PA_DEBUG(("PinNew: Getting physical connection...\n")); + result = WdmGetPinPropertySimple(parentFilter->handle, + topoPinId, + &KSPROPSETID_Pin, + KSPROPERTY_PIN_PHYSICALCONNECTION, + 0, + 0, + &cbBytes + ); + + if (result != paNoError) + { + /* No physical connection -> there is no topology filter! So we get the name of the pin! */ + PA_DEBUG(("PinNew: No physical connection! Getting the pin name\n")); + result = WdmGetPinPropertySimple(parentFilter->handle, + topoPinId, + &KSPROPSETID_Pin, + KSPROPERTY_PIN_NAME, + pin->friendlyName, + MAX_PATH, + NULL); + if (result != paNoError) + { + GUID category = {0}; + + /* Get pin category information */ + result = WdmGetPinPropertySimple(parentFilter->handle, + topoPinId, + &KSPROPSETID_Pin, + KSPROPERTY_PIN_CATEGORY, + &category, + sizeof(GUID), + NULL); + + if (result == paNoError) + { + result = GetNameFromCategory(&category, (pin->dataFlow == KSPIN_DATAFLOW_OUT), pin->friendlyName, MAX_PATH); + } + } + + /* This is then == the endpoint pin */ + pin->endpointPinId = (pin->dataFlow == KSPIN_DATAFLOW_IN) ? pinId : topoPinId; + } + else + { + KSPIN_PHYSICALCONNECTION* pc = (KSPIN_PHYSICALCONNECTION*)PaUtil_AllocateMemory(cbBytes + 2); + PA_DEBUG(("PinNew: Physical connection found!\n")); + if (pc == NULL) + { + result = paInsufficientMemory; + goto error; + } + result = WdmGetPinPropertySimple(parentFilter->handle, + topoPinId, + &KSPROPSETID_Pin, + KSPROPERTY_PIN_PHYSICALCONNECTION, + pc, + cbBytes, + NULL + ); + if (result == paNoError) + { + wchar_t symbLinkName[MAX_PATH]; + wcsncpy(symbLinkName, pc->SymbolicLinkName, MAX_PATH); + if (symbLinkName[1] == TEXT('?')) + { + symbLinkName[1] = TEXT('\\'); + } + + if (pin->parentFilter->topologyFilter == NULL) + { + PA_DEBUG(("PinNew: Creating topology filter '%S'\n", symbLinkName)); + + pin->parentFilter->topologyFilter = FilterNew(Type_kNotUsed, 0, symbLinkName, L"", &result); + if (pin->parentFilter->topologyFilter == NULL) + { + PA_DEBUG(("PinNew: Failed creating topology filter\n")); + result = paUnanticipatedHostError; + PaWinWDM_SetLastErrorInfo(result, "Failed to create topology filter '%S'", symbLinkName); + goto error; + } + + /* Copy info so we have it in device info */ + wcsncpy(pin->parentFilter->devInfo.topologyPath, symbLinkName, MAX_PATH); + } + else + { + /* Must be the same */ + assert(wcscmp(symbLinkName, pin->parentFilter->topologyFilter->devInfo.filterPath) == 0); + } + + PA_DEBUG(("PinNew: Opening topology filter...")); + + result = FilterUse(pin->parentFilter->topologyFilter); + if (result == paNoError) + { + unsigned long endpointPinId; + + if (pin->dataFlow == KSPIN_DATAFLOW_IN) + { + /* The "endpointPinId" is what WASAPI looks at for pin names */ + GUID category = {0}; + + PA_DEBUG(("PinNew: Checking for output endpoint pin id...\n")); + + endpointPinId = GetConnectedPin(pc->Pin, TRUE, pin->parentFilter->topologyFilter, -1, NULL, NULL); + + if (endpointPinId == KSFILTER_NODE) + { + result = paUnanticipatedHostError; + PaWinWDM_SetLastErrorInfo(result, "Failed to get endpoint pin ID on topology filter!"); + goto error; + } + + PA_DEBUG(("PinNew: Found endpoint pin id %u\n", endpointPinId)); + + /* Get pin category information */ + result = WdmGetPinPropertySimple(pin->parentFilter->topologyFilter->handle, + endpointPinId, + &KSPROPSETID_Pin, + KSPROPERTY_PIN_CATEGORY, + &category, + sizeof(GUID), + NULL); + + if (result == paNoError) + { +#if !PA_WDMKS_USE_CATEGORY_FOR_PIN_NAMES + wchar_t pinName[MAX_PATH]; + + PA_DEBUG(("PinNew: Getting pin name property...")); + + /* Ok, try pin name also, and favor that if available */ + result = WdmGetPinPropertySimple(pin->parentFilter->topologyFilter->handle, + endpointPinId, + &KSPROPSETID_Pin, + KSPROPERTY_PIN_NAME, + pinName, + MAX_PATH, + NULL); + + if (result == paNoError && wcslen(pinName)>0) + { + wcstombs(pin->friendlyName, pinName, MAX_PATH); + } + else +#endif + { + result = GetNameFromCategory(&category, (pin->dataFlow == KSPIN_DATAFLOW_OUT), pin->friendlyName, MAX_PATH); + + if (result != paNoError) + { + wcscpy(pin->friendlyName, L"Output"); + } + } + + PA_DEBUG(("PinNew: Pin name '%S'\n", pin->friendlyName)); + } + + /* Set endpoint pin ID (this is the topology INPUT pin, since portmixer will always traverse the + filter in audio streaming direction, see http://msdn.microsoft.com/en-us/library/windows/hardware/ff536331(v=vs.85).aspx + for more information. + */ + pin->endpointPinId = pc->Pin; + } + else + { + unsigned muxCount = 0; + int muxPos = 0; + /* Max 64 multiplexer inputs... sanity check :) */ + for (i = 0; i < 64; ++i) + { + ULONG muxNodeIdTest = (unsigned)-1; + PA_DEBUG(("PinNew: Checking for input endpoint pin id (%d)...\n", i)); + + endpointPinId = GetConnectedPin(pc->Pin, + FALSE, + pin->parentFilter->topologyFilter, + (int)i, + NULL, + &muxNodeIdTest); + + + if (endpointPinId == KSFILTER_NODE) + { + /* We're done */ + PA_DEBUG(("PinNew: Done with inputs.\n", endpointPinId)); + break; + } + else + { + /* The "endpointPinId" is what WASAPI looks at for pin names */ + GUID category = {0}; + + PA_DEBUG(("PinNew: Found endpoint pin id %u\n", endpointPinId)); + + /* Get pin category information */ + result = WdmGetPinPropertySimple(pin->parentFilter->topologyFilter->handle, + endpointPinId, + &KSPROPSETID_Pin, + KSPROPERTY_PIN_CATEGORY, + &category, + sizeof(GUID), + NULL); + + if (result == paNoError) + { + if (muxNodeIdTest == (unsigned)-1) + { + /* Ok, try pin name, and favor that if available */ + result = WdmGetPinPropertySimple(pin->parentFilter->topologyFilter->handle, + endpointPinId, + &KSPROPSETID_Pin, + KSPROPERTY_PIN_NAME, + pin->friendlyName, + MAX_PATH, + NULL); + + if (result != paNoError) + { + result = GetNameFromCategory(&category, TRUE, pin->friendlyName, MAX_PATH); + + if( result != paNoError ) + { + wcscpy(pin->friendlyName, L"Input"); + } + } + break; + } + else + { + result = GetNameFromCategory(&category, TRUE, NULL, 0); + + if (result == paNoError) + { + ++muxCount; + } + } + } + } + } + + if (muxCount == 0) + { + pin->endpointPinId = endpointPinId; + } + else // muxCount > 0 + { + PA_DEBUG(("PinNew: Setting up %u inputs\n", muxCount)); + + /* Now we redo the operation once known how many multiplexer positions there are */ + pin->inputs = (PaWinWdmMuxedInput**)PaUtil_AllocateMemory(muxCount * sizeof(PaWinWdmMuxedInput*)); + if (pin->inputs == NULL) + { + FilterRelease(pin->parentFilter->topologyFilter); + result = paInsufficientMemory; + goto error; + } + pin->inputCount = muxCount; + + for (i = 0; i < muxCount; ++muxPos) + { + if (pin->inputs[i] == NULL) + { + pin->inputs[i] = (PaWinWdmMuxedInput*)PaUtil_AllocateMemory(sizeof(PaWinWdmMuxedInput)); + if (pin->inputs[i] == NULL) + { + FilterRelease(pin->parentFilter->topologyFilter); + result = paInsufficientMemory; + goto error; + } + } + + endpointPinId = GetConnectedPin(pc->Pin, + FALSE, + pin->parentFilter->topologyFilter, + muxPos, + &pin->inputs[i]->muxPinId, + &pin->inputs[i]->muxNodeId); + + if (endpointPinId != KSFILTER_NODE) + { + /* The "endpointPinId" is what WASAPI looks at for pin names */ + GUID category = {0}; + + /* Set input endpoint ID */ + pin->inputs[i]->endpointPinId = endpointPinId; + + /* Get pin category information */ + result = WdmGetPinPropertySimple(pin->parentFilter->topologyFilter->handle, + endpointPinId, + &KSPROPSETID_Pin, + KSPROPERTY_PIN_CATEGORY, + &category, + sizeof(GUID), + NULL); + + if (result == paNoError) + { + result = GetNameFromCategory(&category, TRUE, pin->inputs[i]->friendlyName, MAX_PATH); + if (result == paNoError) + { + /* Try pin name also, and if that is defined, use that instead */ + result = WdmGetPinPropertySimple(pin->parentFilter->topologyFilter->handle, + endpointPinId, + &KSPROPSETID_Pin, + KSPROPERTY_PIN_NAME, + pin->inputs[i]->friendlyName, + MAX_PATH, + NULL); + + if (result != paNoError) + { + _snwprintf(pin->inputs[i]->friendlyName, MAX_PATH, L"Input %d", i + 1); + } + + ++i; + } + } + } + else + { + /* Should never come here! */ + assert(FALSE); + } + } + } + } + } + } + PaUtil_FreeMemory(pc); + } + } + else + { + PA_DEBUG(("PinNew: No topology pin id found. Bad...\n")); + /* No TOPO pin id ??? This is bad. Ok, so we just say it is an input or output... */ + if (pin->dataFlow == KSPIN_DATAFLOW_IN) + { + wcscpy(pin->friendlyName, L"Line Out"); + } + else + { + wcscpy(pin->friendlyName, L"Line In"); + } + } + } + + /* Release topology filter if it has been used */ + if (pin->parentFilter->topologyFilter && pin->parentFilter->topologyFilter->handle != NULL) + { + PA_DEBUG(("PinNew: Releasing topology filter...\n")); + FilterRelease(pin->parentFilter->topologyFilter); + } + + /* Success */ + *error = paNoError; + PA_DEBUG(("Pin created successfully\n")); + PA_LOGL_; + return pin; + +error: + PA_DEBUG(("PinNew: Error %d\n", result)); + /* + Error cleanup + */ + + PaUtil_FreeMemory( item ); + if( pin ) + { + if (pin->parentFilter->topologyFilter && pin->parentFilter->topologyFilter->handle != NULL) + { + FilterRelease(pin->parentFilter->topologyFilter); + } + + PaUtil_FreeMemory( pin->pinConnect ); + PaUtil_FreeMemory( pin->dataRangesItem ); + PaUtil_FreeMemory( pin ); + } + *error = result; + PA_LOGL_; + return NULL; +} + +/* +Safely free all resources associated with the pin +*/ +static void PinFree(PaWinWdmPin* pin) +{ + unsigned i; + PA_LOGE_; + if( pin ) + { + PinClose(pin); + if( pin->pinConnect ) + { + PaUtil_FreeMemory( pin->pinConnect ); + } if( pin->dataRangesItem ) { PaUtil_FreeMemory( pin->dataRangesItem ); } + if( pin->inputs ) + { + for (i = 0; i < pin->inputCount; ++i) + { + PaUtil_FreeMemory( pin->inputs[i] ); + } + PaUtil_FreeMemory( pin->inputs ); + } PaUtil_FreeMemory( pin ); } PA_LOGL_; @@ -957,22 +1958,21 @@ Set the state of this (instantiated) pin */ static PaError PinSetState(PaWinWdmPin* pin, KSSTATE state) { - PaError result; + PaError result = paNoError; + KSPROPERTY prop; PA_LOGE_; + prop.Set = KSPROPSETID_Connection; + prop.Id = KSPROPERTY_CONNECTION_STATE; + prop.Flags = KSPROPERTY_TYPE_SET; + if( pin == NULL ) return paInternalError; if( pin->handle == NULL ) return paInternalError; - result = WdmSetPropertySimple( - pin->handle, - &KSPROPSETID_Connection, - KSPROPERTY_CONNECTION_STATE, - &state, - sizeof(state), - NULL, - 0); + result = WdmSyncIoctl(pin->handle, IOCTL_KS_PROPERTY, &prop, sizeof(KSPROPERTY), &state, sizeof(KSSTATE), NULL); + PA_LOGL_; return result; } @@ -1000,72 +2000,63 @@ static PaError PinInstantiate(PaWinWdmPin* pin) &pin->handle ); - PA_DEBUG(("Pin create result = %x\n",createResult)); + PA_DEBUG(("Pin create result = 0x%08x\n",createResult)); if( createResult != ERROR_SUCCESS ) { FilterRelease(pin->parentFilter); pin->handle = NULL; - return paInvalidDevice; + switch (createResult) + { + case ERROR_INVALID_PARAMETER: + /* First case when pin actually don't support the format */ + return paSampleFormatNotSupported; + case ERROR_BAD_COMMAND: + /* Case when pin is occupied (by another application) */ + return paDeviceUnavailable; + default: + /* All other cases */ + return paInvalidDevice; + } } - result = WdmGetPropertySimple( - pin->handle, - &KSPROPSETID_Connection, - KSPROPERTY_CONNECTION_ALLOCATORFRAMING, - &ksaf, - sizeof(ksaf), - NULL, - 0); - - if( result != paNoError ) + if (pin->parentFilter->devInfo.streamingType == Type_kWaveCyclic) { + /* Framing size query only valid for WaveCyclic devices */ result = WdmGetPropertySimple( pin->handle, &KSPROPSETID_Connection, - KSPROPERTY_CONNECTION_ALLOCATORFRAMING_EX, - &ksafex, - sizeof(ksafex), + KSPROPERTY_CONNECTION_ALLOCATORFRAMING, + &ksaf, + sizeof(ksaf), NULL, 0); - if( result == paNoError ) + + if( result != paNoError ) + { + result = WdmGetPropertySimple( + pin->handle, + &KSPROPSETID_Connection, + KSPROPERTY_CONNECTION_ALLOCATORFRAMING_EX, + &ksafex, + sizeof(ksafex), + NULL, + 0); + if( result == paNoError ) + { + pin->frameSize = ksafex.FramingItem[0].FramingRange.Range.MinFrameSize; + } + } + else { - pin->frameSize = ksafex.FramingItem[0].FramingRange.Range.MinFrameSize; + pin->frameSize = ksaf.FrameSize; } } - else - { - pin->frameSize = ksaf.FrameSize; - } PA_LOGL_; return paNoError; } -/* NOT USED -static PaError PinGetState(PaWinWdmPin* pin, KSSTATE* state) -{ - PaError result; - - if( state == NULL ) - return paInternalError; - if( pin == NULL ) - return paInternalError; - if( pin->handle == NULL ) - return paInternalError; - - result = WdmGetPropertySimple( - pin->handle, - KSPROPSETID_Connection, - KSPROPERTY_CONNECTION_STATE, - state, - sizeof(KSSTATE), - NULL, - 0); - - return result; -} -*/ static PaError PinSetFormat(PaWinWdmPin* pin, const WAVEFORMATEX* format) { unsigned long size; @@ -1107,477 +2098,805 @@ static PaError PinIsFormatSupported(PaWinWdmPin* pin, const WAVEFORMATEX* format unsigned long count; GUID guid = DYNAMIC_GUID( DEFINE_WAVEFORMATEX_GUID(format->wFormatTag) ); PaError result = paInvalidDevice; + const WAVEFORMATEXTENSIBLE* pFormatExt = (format->wFormatTag == WAVE_FORMAT_EXTENSIBLE) ? (const WAVEFORMATEXTENSIBLE*)format : 0; PA_LOGE_; - if( format->wFormatTag == WAVE_FORMAT_EXTENSIBLE ) + if( pFormatExt != 0 ) { - guid = ((WAVEFORMATEXTENSIBLE*)format)->SubFormat; + guid = pFormatExt->SubFormat; } dataRange = (KSDATARANGE_AUDIO*)pin->dataRanges; - for(count = 0; countdataRangesItem->Count; count++) + for(count = 0; + countdataRangesItem->Count; + count++, + dataRange = (KSDATARANGE_AUDIO*)( ((char*)dataRange) + dataRange->DataRange.FormatSize)) /* Need to update dataRange here, due to 'continue' !! */ { - if(( !memcmp(&(dataRange->DataRange.MajorFormat),&KSDATAFORMAT_TYPE_AUDIO,sizeof(GUID)) ) || - ( !memcmp(&(dataRange->DataRange.MajorFormat),&KSDATAFORMAT_TYPE_WILDCARD,sizeof(GUID)) )) + /* Check major format*/ + if (!(IsEqualGUID(&(dataRange->DataRange.MajorFormat), &KSDATAFORMAT_TYPE_AUDIO) || + IsEqualGUID(&(dataRange->DataRange.MajorFormat), &KSDATAFORMAT_TYPE_WILDCARD))) { - /* This is an audio or wildcard datarange... */ - if(( !memcmp(&(dataRange->DataRange.SubFormat),&KSDATAFORMAT_SUBTYPE_WILDCARD,sizeof(GUID)) ) || - ( !memcmp(&(dataRange->DataRange.SubFormat),&guid,sizeof(GUID)) )) - { - if(( !memcmp(&(dataRange->DataRange.Specifier),&KSDATAFORMAT_SPECIFIER_WILDCARD,sizeof(GUID)) ) || - ( !memcmp(&(dataRange->DataRange.Specifier),&KSDATAFORMAT_SPECIFIER_WAVEFORMATEX,sizeof(GUID) ))) - { + continue; + } - PA_DEBUG(("Pin:%x, DataRange:%d\n",(void*)pin,count)); - PA_DEBUG(("\tFormatSize:%d, SampleSize:%d\n",dataRange->DataRange.FormatSize,dataRange->DataRange.SampleSize)); - PA_DEBUG(("\tMaxChannels:%d\n",dataRange->MaximumChannels)); - PA_DEBUG(("\tBits:%d-%d\n",dataRange->MinimumBitsPerSample,dataRange->MaximumBitsPerSample)); - PA_DEBUG(("\tSampleRate:%d-%d\n",dataRange->MinimumSampleFrequency,dataRange->MaximumSampleFrequency)); + /* This is an audio or wildcard datarange... */ + if (! (IsEqualGUID(&(dataRange->DataRange.SubFormat), &KSDATAFORMAT_SUBTYPE_WILDCARD) || + IsEqualGUID(&(dataRange->DataRange.SubFormat), &KSDATAFORMAT_SUBTYPE_PCM) || + IsEqualGUID(&(dataRange->DataRange.SubFormat), &guid) )) + { + continue; + } - if( dataRange->MaximumChannels < format->nChannels ) - { - result = paInvalidChannelCount; - continue; - } - if( dataRange->MinimumBitsPerSample > format->wBitsPerSample ) - { - result = paSampleFormatNotSupported; - continue; - } - if( dataRange->MaximumBitsPerSample < format->wBitsPerSample ) - { - result = paSampleFormatNotSupported; - continue; - } - if( dataRange->MinimumSampleFrequency > format->nSamplesPerSec ) - { - result = paInvalidSampleRate; - continue; - } - if( dataRange->MaximumSampleFrequency < format->nSamplesPerSec ) - { - result = paInvalidSampleRate; - continue; - } - /* Success! */ - PA_LOGL_; - return paNoError; - } + /* Check specifier... */ + if (! (IsEqualGUID(&(dataRange->DataRange.Specifier), &KSDATAFORMAT_SPECIFIER_WILDCARD) || + IsEqualGUID(&(dataRange->DataRange.Specifier), &KSDATAFORMAT_SPECIFIER_WAVEFORMATEX)) ) + { + continue; + } + + PA_DEBUG(("Pin:%x, DataRange:%d\n",(void*)pin,count)); + PA_DEBUG(("\tFormatSize:%d, SampleSize:%d\n",dataRange->DataRange.FormatSize,dataRange->DataRange.SampleSize)); + PA_DEBUG(("\tMaxChannels:%d\n",dataRange->MaximumChannels)); + PA_DEBUG(("\tBits:%d-%d\n",dataRange->MinimumBitsPerSample,dataRange->MaximumBitsPerSample)); + PA_DEBUG(("\tSampleRate:%d-%d\n",dataRange->MinimumSampleFrequency,dataRange->MaximumSampleFrequency)); + + if( dataRange->MaximumChannels != (ULONG)-1 && + dataRange->MaximumChannels < format->nChannels ) + { + result = paInvalidChannelCount; + continue; + } + + if (pFormatExt != 0) + { + if ( dataRange->MinimumBitsPerSample > pFormatExt->Samples.wValidBitsPerSample ) + { + result = paSampleFormatNotSupported; + continue; } + if ( dataRange->MaximumBitsPerSample < pFormatExt->Samples.wValidBitsPerSample ) + { + result = paSampleFormatNotSupported; + continue; + } + } + else + { + if( dataRange->MinimumBitsPerSample > format->wBitsPerSample ) + { + result = paSampleFormatNotSupported; + continue; + } + + if( dataRange->MaximumBitsPerSample < format->wBitsPerSample ) + { + result = paSampleFormatNotSupported; + continue; + } + } + + if( dataRange->MinimumSampleFrequency > format->nSamplesPerSec ) + { + result = paInvalidSampleRate; + continue; + } + + if( dataRange->MaximumSampleFrequency < format->nSamplesPerSec ) + { + result = paInvalidSampleRate; + continue; } - dataRange = (KSDATARANGE_AUDIO*)( ((char*)dataRange) + dataRange->DataRange.FormatSize); + + /* Success! */ + result = paNoError; + break; } PA_LOGL_; - return result; } -/** - * Create a new filter object - */ -static PaWinWdmFilter* FilterNew(TCHAR* filterName, TCHAR* friendlyName, PaError* error) +static PaError PinQueryNotificationSupport(PaWinWdmPin* pPin, BOOL* pbResult) { - PaWinWdmFilter* filter; - PaError result; - int pinId; - int valid; + PaError result = paNoError; + KSPROPERTY propIn; + propIn.Set = KSPROPSETID_RtAudio; + propIn.Id = 8; /* = KSPROPERTY_RTAUDIO_QUERY_NOTIFICATION_SUPPORT */ + propIn.Flags = KSPROPERTY_TYPE_GET; - /* Allocate the new filter object */ - filter = (PaWinWdmFilter*)PaUtil_AllocateMemory( sizeof(PaWinWdmFilter) ); - if( !filter ) + result = WdmSyncIoctl(pPin->handle, IOCTL_KS_PROPERTY, + &propIn, + sizeof(KSPROPERTY), + pbResult, + sizeof(BOOL), + NULL); + + if (result != paNoError) { - result = paInsufficientMemory; - goto error; + PA_DEBUG(("Failed PinQueryNotificationSupport\n")); } - /* Zero the filter object - done by AllocateMemory */ - /* memset( (void*)filter, 0, sizeof(PaWinWdmFilter) ); */ - - /* Copy the filter name */ - _tcsncpy(filter->filterName, filterName, MAX_PATH); + return result; - /* Copy the friendly name */ - _tcsncpy(filter->friendlyName, friendlyName, MAX_PATH); +} - /* Open the filter handle */ - result = FilterUse(filter); - if( result != paNoError ) +static PaError PinGetBufferWithNotification(PaWinWdmPin* pPin, void** pBuffer, DWORD* pRequestedBufSize, BOOL* pbCallMemBarrier) +{ + PaError result = paNoError; + KSRTAUDIO_BUFFER_PROPERTY_WITH_NOTIFICATION propIn; + KSRTAUDIO_BUFFER propOut; + + propIn.BaseAddress = 0; + propIn.NotificationCount = 2; + propIn.RequestedBufferSize = *pRequestedBufSize; + propIn.Property.Set = KSPROPSETID_RtAudio; + propIn.Property.Id = KSPROPERTY_RTAUDIO_BUFFER_WITH_NOTIFICATION; + propIn.Property.Flags = KSPROPERTY_TYPE_GET; + + result = WdmSyncIoctl(pPin->handle, IOCTL_KS_PROPERTY, + &propIn, + sizeof(KSRTAUDIO_BUFFER_PROPERTY_WITH_NOTIFICATION), + &propOut, + sizeof(KSRTAUDIO_BUFFER), + NULL); + + if (result == paNoError) { - goto error; + *pBuffer = propOut.BufferAddress; + *pRequestedBufSize = propOut.ActualBufferSize; + *pbCallMemBarrier = propOut.CallMemoryBarrier; + } + else + { + PA_DEBUG(("Failed to get buffer with notification\n")); } - /* Get pin count */ - result = WdmGetPinPropertySimple - ( - filter->handle, - 0, - &KSPROPSETID_Pin, - KSPROPERTY_PIN_CTYPES, - &filter->pinCount, - sizeof(filter->pinCount) - ); + return result; +} - if( result != paNoError) +static PaError PinGetBufferWithoutNotification(PaWinWdmPin* pPin, void** pBuffer, DWORD* pRequestedBufSize, BOOL* pbCallMemBarrier) +{ + PaError result = paNoError; + KSRTAUDIO_BUFFER_PROPERTY propIn; + KSRTAUDIO_BUFFER propOut; + + propIn.BaseAddress = NULL; + propIn.RequestedBufferSize = *pRequestedBufSize; + propIn.Property.Set = KSPROPSETID_RtAudio; + propIn.Property.Id = KSPROPERTY_RTAUDIO_BUFFER; + propIn.Property.Flags = KSPROPERTY_TYPE_GET; + + result = WdmSyncIoctl(pPin->handle, IOCTL_KS_PROPERTY, + &propIn, + sizeof(KSRTAUDIO_BUFFER_PROPERTY), + &propOut, + sizeof(KSRTAUDIO_BUFFER), + NULL); + + if (result == paNoError) { - goto error; + *pBuffer = propOut.BufferAddress; + *pRequestedBufSize = propOut.ActualBufferSize; + *pbCallMemBarrier = propOut.CallMemoryBarrier; } - - /* Allocate pointer array to hold the pins */ - filter->pins = (PaWinWdmPin**)PaUtil_AllocateMemory( sizeof(PaWinWdmPin*) * filter->pinCount ); - if( !filter->pins ) + else { - result = paInsufficientMemory; - goto error; + PA_DEBUG(("Failed to get buffer without notification\n")); } - /* Create all the pins we can */ - filter->maxInputChannels = 0; - filter->maxOutputChannels = 0; - filter->bestSampleRate = 0; + return result; +} - valid = 0; - for(pinId = 0; pinId < filter->pinCount; pinId++) - { - /* Create the pin with this Id */ - PaWinWdmPin* newPin; - newPin = PinNew(filter, pinId, &result); - if( result == paInsufficientMemory ) - goto error; - if( newPin != NULL ) - { - filter->pins[pinId] = newPin; - valid = 1; +/* greatest common divisor - PGCD in French */ +static unsigned long PaWinWDMGCD( unsigned long a, unsigned long b ) +{ + return (b==0) ? a : PaWinWDMGCD( b, a%b); +} - /* Get the max output channel count */ - if(( newPin->dataFlow == KSPIN_DATAFLOW_IN ) && - (( newPin->communication == KSPIN_COMMUNICATION_SINK) || - ( newPin->communication == KSPIN_COMMUNICATION_BOTH))) - { - if(newPin->maxChannels > filter->maxOutputChannels) - filter->maxOutputChannels = newPin->maxChannels; - filter->formats |= newPin->formats; - } - /* Get the max input channel count */ - if(( newPin->dataFlow == KSPIN_DATAFLOW_OUT ) && - (( newPin->communication == KSPIN_COMMUNICATION_SINK) || - ( newPin->communication == KSPIN_COMMUNICATION_BOTH))) - { - if(newPin->maxChannels > filter->maxInputChannels) - filter->maxInputChannels = newPin->maxChannels; - filter->formats |= newPin->formats; - } - if(newPin->bestSampleRate > filter->bestSampleRate) +/* This function will handle getting the cyclic buffer from a WaveRT driver. Certain WaveRT drivers needs to have +requested buffer size on multiples of 128 bytes: + +*/ +static PaError PinGetBuffer(PaWinWdmPin* pPin, void** pBuffer, DWORD* pRequestedBufSize, BOOL* pbCallMemBarrier) +{ + PaError result = paNoError; + + while (1) + { + if (pPin->pinKsSubType != SubType_kPolled) + { + /* In case of unknown (or notification), we try both modes */ + result = PinGetBufferWithNotification(pPin, pBuffer, pRequestedBufSize, pbCallMemBarrier); + if (result == paNoError) { - filter->bestSampleRate = newPin->bestSampleRate; + PA_DEBUG(("PinGetBuffer: SubType_kNotification\n")); + pPin->pinKsSubType = SubType_kNotification; + break; } } - } - if(( filter->maxInputChannels == 0) && ( filter->maxOutputChannels == 0)) - { - /* No input or output... not valid */ - valid = 0; - } + result = PinGetBufferWithoutNotification(pPin, pBuffer, pRequestedBufSize, pbCallMemBarrier); + if (result == paNoError) + { + PA_DEBUG(("PinGetBuffer: SubType_kPolled\n")); + pPin->pinKsSubType = SubType_kPolled; + break; + } - if( !valid ) - { - /* No valid pin was found on this filter so we destroy it */ - result = paDeviceUnavailable; - goto error; + /* Check if requested size is on a 128 byte boundary */ + if (((*pRequestedBufSize) % 128UL) == 0) + { + PA_DEBUG(("Buffer size on 128 byte boundary, still fails :(\n")); + /* Ok, can't do much more */ + break; + } + else + { + /* Compute LCM so we know which sizes are on a 128 byte boundary */ + const unsigned gcd = PaWinWDMGCD(128UL, pPin->ksDataFormatWfx->WaveFormatEx.nBlockAlign); + const unsigned lcm = (128UL * pPin->ksDataFormatWfx->WaveFormatEx.nBlockAlign) / gcd; + DWORD dwOldSize = *pRequestedBufSize; + + /* Align size to (next larger) LCM byte boundary, and then we try again. Note that LCM is not necessarily a + power of 2. */ + *pRequestedBufSize = ((*pRequestedBufSize + lcm - 1) / lcm) * lcm; + + PA_DEBUG(("Adjusting buffer size from %u to %u bytes (128 byte boundary, LCM=%u)\n", dwOldSize, *pRequestedBufSize, lcm)); + } } - /* Close the filter handle for now - * It will be opened later when needed */ - FilterRelease(filter); + return result; +} - *error = paNoError; - return filter; +static PaError PinRegisterPositionRegister(PaWinWdmPin* pPin) +{ + PaError result = paNoError; + KSRTAUDIO_HWREGISTER_PROPERTY propIn; + KSRTAUDIO_HWREGISTER propOut; -error: - /* - Error cleanup - */ - if( filter ) + PA_LOGE_; + + propIn.BaseAddress = NULL; + propIn.Property.Set = KSPROPSETID_RtAudio; + propIn.Property.Id = KSPROPERTY_RTAUDIO_POSITIONREGISTER; + propIn.Property.Flags = KSPROPERTY_TYPE_GET; + + result = WdmSyncIoctl(pPin->handle, IOCTL_KS_PROPERTY, + &propIn, + sizeof(KSRTAUDIO_HWREGISTER_PROPERTY), + &propOut, + sizeof(KSRTAUDIO_HWREGISTER), + NULL); + + if (result == paNoError) { - for( pinId = 0; pinId < filter->pinCount; pinId++ ) - PinFree(filter->pins[pinId]); - PaUtil_FreeMemory( filter->pins ); - if( filter->handle ) - CloseHandle( filter->handle ); - PaUtil_FreeMemory( filter ); + pPin->positionRegister = (ULONG*)propOut.Register; } - *error = result; - return NULL; + else + { + PA_DEBUG(("Failed to register position register\n")); + } + + PA_LOGL_; + + return result; } -/** - * Free a previously created filter - */ -static void FilterFree(PaWinWdmFilter* filter) +static PaError PinRegisterNotificationHandle(PaWinWdmPin* pPin, HANDLE handle) { - int pinId; - PA_LOGL_; - if( filter ) - { - for( pinId = 0; pinId < filter->pinCount; pinId++ ) - PinFree(filter->pins[pinId]); - PaUtil_FreeMemory( filter->pins ); - if( filter->handle ) - CloseHandle( filter->handle ); - PaUtil_FreeMemory( filter ); - } + PaError result = paNoError; + KSRTAUDIO_NOTIFICATION_EVENT_PROPERTY prop; + PA_LOGE_; + + prop.NotificationEvent = handle; + prop.Property.Set = KSPROPSETID_RtAudio; + prop.Property.Id = KSPROPERTY_RTAUDIO_REGISTER_NOTIFICATION_EVENT; + prop.Property.Flags = KSPROPERTY_TYPE_GET; + + result = WdmSyncIoctl(pPin->handle, + IOCTL_KS_PROPERTY, + &prop, + sizeof(KSRTAUDIO_NOTIFICATION_EVENT_PROPERTY), + &prop, + sizeof(KSRTAUDIO_NOTIFICATION_EVENT_PROPERTY), + NULL); + + if (result != paNoError) { + PA_DEBUG(("Failed to register notification handle 0x%08X\n", handle)); + } + + PA_LOGL_; + + return result; } -/** - * Reopen the filter handle if necessary so it can be used - **/ -static PaError FilterUse(PaWinWdmFilter* filter) +static PaError PinUnregisterNotificationHandle(PaWinWdmPin* pPin, HANDLE handle) { - assert( filter ); + PaError result = paNoError; + KSRTAUDIO_NOTIFICATION_EVENT_PROPERTY prop; PA_LOGE_; - if( filter->handle == NULL ) + + if (handle != NULL) { - /* Open the filter */ - filter->handle = CreateFile( - filter->filterName, - GENERIC_READ | GENERIC_WRITE, - 0, - NULL, - OPEN_EXISTING, - FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED, + prop.NotificationEvent = handle; + prop.Property.Set = KSPROPSETID_RtAudio; + prop.Property.Id = KSPROPERTY_RTAUDIO_UNREGISTER_NOTIFICATION_EVENT; + prop.Property.Flags = KSPROPERTY_TYPE_GET; + + result = WdmSyncIoctl(pPin->handle, + IOCTL_KS_PROPERTY, + &prop, + sizeof(KSRTAUDIO_NOTIFICATION_EVENT_PROPERTY), + &prop, + sizeof(KSRTAUDIO_NOTIFICATION_EVENT_PROPERTY), NULL); - if( filter->handle == NULL ) - { - return paDeviceUnavailable; + if (result != paNoError) { + PA_DEBUG(("Failed to unregister notification handle 0x%08X\n", handle)); } } - filter->usageCount++; PA_LOGL_; + + return result; +} + +static PaError PinGetHwLatency(PaWinWdmPin* pPin, ULONG* pFifoSize, ULONG* pChipsetDelay, ULONG* pCodecDelay) +{ + PaError result = paNoError; + KSPROPERTY propIn; + KSRTAUDIO_HWLATENCY propOut; + + PA_LOGE_; + + propIn.Set = KSPROPSETID_RtAudio; + propIn.Id = KSPROPERTY_RTAUDIO_HWLATENCY; + propIn.Flags = KSPROPERTY_TYPE_GET; + + result = WdmSyncIoctl(pPin->handle, IOCTL_KS_PROPERTY, + &propIn, + sizeof(KSPROPERTY), + &propOut, + sizeof(KSRTAUDIO_HWLATENCY), + NULL); + + if (result == paNoError) + { + *pFifoSize = propOut.FifoSize; + *pChipsetDelay = propOut.ChipsetDelay; + *pCodecDelay = propOut.CodecDelay; + } + else + { + PA_DEBUG(("Failed to retrieve hardware FIFO size!\n")); + } + + PA_LOGL_; + + return result; +} + +/* This one is used for WaveRT */ +static PaError PinGetAudioPositionDirect(PaWinWdmPin* pPin, ULONG* pPosition) +{ + *pPosition = (*pPin->positionRegister); return paNoError; } -/** - * Release the filter handle if nobody is using it - **/ -static void FilterRelease(PaWinWdmFilter* filter) +/* This one also, but in case the driver hasn't implemented memory mapped access to the position register */ +static PaError PinGetAudioPositionViaIOCTL(PaWinWdmPin* pPin, ULONG* pPosition) { - assert( filter ); - assert( filter->usageCount > 0 ); + PaError result = paNoError; + KSPROPERTY propIn; + KSAUDIO_POSITION propOut; PA_LOGE_; - filter->usageCount--; - if( filter->usageCount == 0 ) + + propIn.Set = KSPROPSETID_Audio; + propIn.Id = KSPROPERTY_AUDIO_POSITION; + propIn.Flags = KSPROPERTY_TYPE_GET; + + result = WdmSyncIoctl(pPin->handle, + IOCTL_KS_PROPERTY, + &propIn, sizeof(KSPROPERTY), + &propOut, sizeof(KSAUDIO_POSITION), + NULL); + + if (result == paNoError) { - if( filter->handle != NULL ) - { - CloseHandle( filter->handle ); - filter->handle = NULL; - } + *pPosition = (ULONG)(propOut.PlayOffset); } + else + { + PA_DEBUG(("Failed to get audio position!\n")); + } + PA_LOGL_; + + return result; + } +/***********************************************************************************************/ + /** - * Create a render (playback) Pin using the supplied format - **/ -static PaWinWdmPin* FilterCreateRenderPin(PaWinWdmFilter* filter, - const WAVEFORMATEX* wfex, - PaError* error) +* Create a new filter object. +*/ +static PaWinWdmFilter* FilterNew( PaWDMKSType type, DWORD devNode, const wchar_t* filterName, const wchar_t* friendlyName, PaError* error ) { + PaWinWdmFilter* filter = 0; PaError result; - PaWinWdmPin* pin; - assert( filter ); - - pin = FilterFindViableRenderPin(filter,wfex,&result); - if(!pin) + /* Allocate the new filter object */ + filter = (PaWinWdmFilter*)PaUtil_AllocateMemory( sizeof(PaWinWdmFilter) ); + if( !filter ) { + result = paInsufficientMemory; goto error; } - result = PinSetFormat(pin,wfex); + + PA_DEBUG(("FilterNew: Creating filter '%S'\n", friendlyName)); + + /* Set type flag */ + filter->devInfo.streamingType = type; + + /* Store device node */ + filter->deviceNode = devNode; + + /* Zero the filter object - done by AllocateMemory */ + /* memset( (void*)filter, 0, sizeof(PaWinWdmFilter) ); */ + + /* Copy the filter name */ + wcsncpy(filter->devInfo.filterPath, filterName, MAX_PATH); + + /* Copy the friendly name */ + wcsncpy(filter->friendlyName, friendlyName, MAX_PATH); + + PA_DEBUG(("FilterNew: Opening filter...\n", friendlyName)); + + /* Open the filter handle */ + result = FilterUse(filter); if( result != paNoError ) { goto error; } - result = PinInstantiate(pin); - if( result != paNoError ) + + /* Get pin count */ + result = WdmGetPinPropertySimple + ( + filter->handle, + 0, + &KSPROPSETID_Pin, + KSPROPERTY_PIN_CTYPES, + &filter->pinCount, + sizeof(filter->pinCount), + NULL); + + if( result != paNoError) { goto error; } - *error = paNoError; - return pin; + /* Get connections & nodes for filter */ + result = WdmGetPropertyMulti( + filter->handle, + &KSPROPSETID_Topology, + KSPROPERTY_TOPOLOGY_CONNECTIONS, + &filter->connections); -error: - *error = result; - return NULL; -} + if( result != paNoError) + { + goto error; + } -/** - * Find a pin that supports the given format - **/ -static PaWinWdmPin* FilterFindViableRenderPin(PaWinWdmFilter* filter, - const WAVEFORMATEX* wfex, - PaError* error) -{ - int pinId; - PaWinWdmPin* pin; - PaError result = paDeviceUnavailable; - *error = paNoError; + result = WdmGetPropertyMulti( + filter->handle, + &KSPROPSETID_Topology, + KSPROPERTY_TOPOLOGY_NODES, + &filter->nodes); - assert( filter ); + if( result != paNoError) + { + goto error; + } - for( pinId = 0; pinIdpinCount; pinId++ ) + /* For debugging purposes */ + DumpConnectionsAndNodes(filter); + + /* Get product GUID (it might not be supported) */ { - pin = filter->pins[pinId]; - if( pin != NULL ) + KSCOMPONENTID compId; + if (WdmGetPropertySimple(filter->handle, &KSPROPSETID_General, KSPROPERTY_GENERAL_COMPONENTID, &compId, sizeof(KSCOMPONENTID), NULL, 0) == paNoError) { - if(( pin->dataFlow == KSPIN_DATAFLOW_IN ) && - (( pin->communication == KSPIN_COMMUNICATION_SINK) || - ( pin->communication == KSPIN_COMMUNICATION_BOTH))) - { - result = PinIsFormatSupported( pin, wfex ); - if( result == paNoError ) - { - return pin; - } - } + filter->devInfo.deviceProductGuid = compId.Product; } } + /* This section is not executed for topology filters */ + if (type != Type_kNotUsed) + { + /* Initialize the pins */ + result = FilterInitializePins(filter); + + if( result != paNoError) + { + goto error; + } + } + + /* Close the filter handle for now + * It will be opened later when needed */ + FilterRelease(filter); + + *error = paNoError; + return filter; + +error: + PA_DEBUG(("FilterNew: Error %d\n", result)); + /* + Error cleanup + */ + FilterFree(filter); + *error = result; return NULL; } /** - * Check if there is a pin that should playback - * with the supplied format - **/ -static PaError FilterCanCreateRenderPin(PaWinWdmFilter* filter, - const WAVEFORMATEX* wfex) +* Add reference to filter +*/ +static void FilterAddRef( PaWinWdmFilter* filter ) { - PaWinWdmPin* pin; - PaError result; - - assert ( filter ); - - pin = FilterFindViableRenderPin(filter,wfex,&result); - /* result will be paNoError if pin found - * or else an error code indicating what is wrong with the format - **/ - return result; + if (filter != 0) + { + filter->filterRefCount++; + } } + /** - * Create a capture (record) Pin using the supplied format - **/ -static PaWinWdmPin* FilterCreateCapturePin(PaWinWdmFilter* filter, - const WAVEFORMATEX* wfex, - PaError* error) +* Initialize the pins of the filter. This is separated from FilterNew because this might fail if there is another +* process using the pin(s). +*/ +PaError FilterInitializePins( PaWinWdmFilter* filter ) { - PaError result; - PaWinWdmPin* pin; + PaError result = paNoError; + int pinId; - assert( filter ); + if (filter->devInfo.streamingType == Type_kNotUsed) + return paNoError; + + if (filter->pins != NULL) + return paNoError; - pin = FilterFindViableCapturePin(filter,wfex,&result); - if(!pin) + /* Allocate pointer array to hold the pins */ + filter->pins = (PaWinWdmPin**)PaUtil_AllocateMemory( sizeof(PaWinWdmPin*) * filter->pinCount ); + if( !filter->pins ) { + result = paInsufficientMemory; goto error; } - result = PinSetFormat(pin,wfex); - if( result != paNoError ) + /* Create all the pins we can */ + for(pinId = 0; pinId < filter->pinCount; pinId++) { - goto error; + /* Create the pin with this Id */ + PaWinWdmPin* newPin; + newPin = PinNew(filter, pinId, &result); + if( result == paInsufficientMemory ) + goto error; + if( newPin != NULL ) + { + filter->pins[pinId] = newPin; + ++filter->validPinCount; + } } - result = PinInstantiate(pin); - if( result != paNoError ) + if (filter->validPinCount == 0) { + result = paDeviceUnavailable; goto error; } - *error = paNoError; - return pin; + return paNoError; error: - *error = result; - return NULL; + + if (filter->pins) + { + for (pinId = 0; pinId < filter->pinCount; ++pinId) + { + if (filter->pins[pinId]) + { + PaUtil_FreeMemory(filter->pins[pinId]); + filter->pins[pinId] = 0; + } + } + PaUtil_FreeMemory( filter->pins ); + filter->pins = 0; + } + + return result; } + /** - * Find a capture pin that supports the given format - **/ -static PaWinWdmPin* FilterFindViableCapturePin(PaWinWdmFilter* filter, - const WAVEFORMATEX* wfex, - PaError* error) +* Free a previously created filter +*/ +static void FilterFree(PaWinWdmFilter* filter) { int pinId; - PaWinWdmPin* pin; - PaError result = paDeviceUnavailable; - *error = paNoError; + PA_LOGL_; + if( filter ) + { + if (--filter->filterRefCount > 0) + { + /* Ok, a stream has a ref count to this filter */ + return; + } + + if (filter->topologyFilter) + { + FilterFree(filter->topologyFilter); + filter->topologyFilter = 0; + } + if ( filter->pins ) + { + for( pinId = 0; pinId < filter->pinCount; pinId++ ) + PinFree(filter->pins[pinId]); + PaUtil_FreeMemory( filter->pins ); + filter->pins = 0; + } + if( filter->connections ) + { + PaUtil_FreeMemory(filter->connections); + filter->connections = 0; + } + if( filter->nodes ) + { + PaUtil_FreeMemory(filter->nodes); + filter->nodes = 0; + } + if( filter->handle ) + CloseHandle( filter->handle ); + PaUtil_FreeMemory( filter ); + } + PA_LOGE_; +} + +/** +* Reopen the filter handle if necessary so it can be used +**/ +static PaError FilterUse(PaWinWdmFilter* filter) +{ + assert( filter ); + + PA_LOGE_; + if( filter->handle == NULL ) + { + /* Open the filter */ + filter->handle = CreateFileW( + filter->devInfo.filterPath, + GENERIC_READ | GENERIC_WRITE, + 0, + NULL, + OPEN_EXISTING, + FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OVERLAPPED, + NULL); + if( filter->handle == NULL ) + { + return paDeviceUnavailable; + } + } + filter->usageCount++; + PA_LOGL_; + return paNoError; +} + +/** +* Release the filter handle if nobody is using it +**/ +static void FilterRelease(PaWinWdmFilter* filter) +{ assert( filter ); + assert( filter->usageCount > 0 ); + + PA_LOGE_; + /* Check first topology filter, if used */ + if (filter->topologyFilter != NULL && filter->topologyFilter->handle != NULL) + { + FilterRelease(filter->topologyFilter); + } - for( pinId = 0; pinIdpinCount; pinId++ ) + filter->usageCount--; + if( filter->usageCount == 0 ) { - pin = filter->pins[pinId]; - if( pin != NULL ) + if( filter->handle != NULL ) { - if(( pin->dataFlow == KSPIN_DATAFLOW_OUT ) && - (( pin->communication == KSPIN_COMMUNICATION_SINK) || - ( pin->communication == KSPIN_COMMUNICATION_BOTH))) - { - result = PinIsFormatSupported( pin, wfex ); - if( result == paNoError ) - { - return pin; - } - } + CloseHandle( filter->handle ); + filter->handle = NULL; } } - + PA_LOGL_; +} + +/** +* Create a render or playback pin using the supplied format +**/ +static PaWinWdmPin* FilterCreatePin(PaWinWdmFilter* filter, + int pinId, + const WAVEFORMATEX* wfex, + PaError* error) +{ + PaError result = paNoError; + PaWinWdmPin* pin = NULL; + assert( filter ); + assert( pinId < filter->pinCount ); + pin = filter->pins[pinId]; + assert( pin ); + result = PinSetFormat(pin,wfex); + if( result == paNoError ) + { + result = PinInstantiate(pin); + } *error = result; - return NULL; + return result == paNoError ? pin : 0; } -/** - * Check if there is a pin that should playback - * with the supplied format - **/ -static PaError FilterCanCreateCapturePin(PaWinWdmFilter* filter, - const WAVEFORMATEX* wfex) +static BOOL IsUSBDevice(const wchar_t* devicePath) { - PaWinWdmPin* pin; - PaError result; + return (wcscmp(devicePath, L"\\\\?\\USB") == 0); +} + +static BOOL IsNameUSBAudioDevice(const wchar_t* friendlyName) +{ + return (wcscmp(friendlyName, L"USB Audio Device") == 0); +} - assert ( filter ); +typedef enum _tag_EAlias +{ + Alias_kRender = (1<<0), + Alias_kCapture = (1<<1), + Alias_kRealtime = (1<<2), +} EAlias; - pin = FilterFindViableCapturePin(filter,wfex,&result); - /* result will be paNoError if pin found - * or else an error code indicating what is wrong with the format - **/ - return result; +/* Trim whitespace from string */ +static void TrimString(wchar_t* str, size_t length) +{ + wchar_t* s = str; + wchar_t* e = 0; + + /* Find start of string */ + while (iswspace(*s)) ++s; + e=s+min(length,wcslen(s))-1; + + /* Find end of string */ + while(e>s && iswspace(*e)) --e; + ++e; + + length = e - s; + memmove(str, s, length * sizeof(wchar_t)); + str[length] = 0; } /** - * Build the list of available filters - * Use the SetupDi API to enumerate all devices in the KSCATEGORY_AUDIO which - * have a KSCATEGORY_RENDER or KSCATEGORY_CAPTURE alias. For each of these - * devices initialise a PaWinWdmFilter structure by calling our NewFilter() - * function. We enumerate devices twice, once to count how many there are, - * and once to initialize the PaWinWdmFilter structures. - */ -static PaError BuildFilterList(PaWinWdmHostApiRepresentation* wdmHostApi) +* Build the list of available filters +* Use the SetupDi API to enumerate all devices in the KSCATEGORY_AUDIO which +* have a KSCATEGORY_RENDER or KSCATEGORY_CAPTURE alias. For each of these +* devices initialise a PaWinWdmFilter structure by calling our NewFilter() +* function. We enumerate devices twice, once to count how many there are, +* and once to initialize the PaWinWdmFilter structures. +* +* Vista and later: Also check KSCATEGORY_REALTIME for WaveRT devices. +*/ +//PaError BuildFilterList( PaWinWdmHostApiRepresentation* wdmHostApi, int* noOfPaDevices ) +PaWinWdmFilter** BuildFilterList( int* pFilterCount, int* pNoOfPaDevices, PaError* pResult ) { - PaError result = paNoError; + PaWinWdmFilter** ppFilters = NULL; HDEVINFO handle = NULL; int device; int invalidDevices; @@ -1588,26 +2907,32 @@ static PaError BuildFilterList(PaWinWdmHostApiRepresentation* wdmHostApi) int noError; const int sizeInterface = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA) + (MAX_PATH * sizeof(WCHAR)); unsigned char interfaceDetailsArray[sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA) + (MAX_PATH * sizeof(WCHAR))]; - SP_DEVICE_INTERFACE_DETAIL_DATA* devInterfaceDetails = (SP_DEVICE_INTERFACE_DETAIL_DATA*)interfaceDetailsArray; - TCHAR friendlyName[MAX_PATH]; - HKEY hkey; - DWORD sizeFriendlyName; - DWORD type; - PaWinWdmFilter* newFilter; - GUID* category = (GUID*)&KSCATEGORY_AUDIO; - GUID* alias_render = (GUID*)&KSCATEGORY_RENDER; - GUID* alias_capture = (GUID*)&KSCATEGORY_CAPTURE; - DWORD hasAlias; + SP_DEVICE_INTERFACE_DETAIL_DATA_W* devInterfaceDetails = (SP_DEVICE_INTERFACE_DETAIL_DATA_W*)interfaceDetailsArray; + const GUID* category = (const GUID*)&KSCATEGORY_AUDIO; + const GUID* alias_render = (const GUID*)&KSCATEGORY_RENDER; + const GUID* alias_capture = (const GUID*)&KSCATEGORY_CAPTURE; + const GUID* category_realtime = (const GUID*)&KSCATEGORY_REALTIME; + DWORD aliasFlags; + PaWDMKSType streamingType; + int filterCount = 0; + int noOfPaDevices = 0; PA_LOGE_; - devInterfaceDetails->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA); + assert(pFilterCount != NULL); + assert(pNoOfPaDevices != NULL); + assert(pResult != NULL); + + devInterfaceDetails->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA_W); + *pFilterCount = 0; + *pNoOfPaDevices = 0; /* Open a handle to search for devices (filters) */ handle = SetupDiGetClassDevs(category,NULL,NULL,DIGCF_PRESENT | DIGCF_DEVICEINTERFACE); - if( handle == NULL ) + if( handle == INVALID_HANDLE_VALUE ) { - return paUnanticipatedHostError; + *pResult = paUnanticipatedHostError; + return NULL; } PA_DEBUG(("Setup called\n")); @@ -1625,7 +2950,7 @@ static PaError BuildFilterList(PaWinWdmHostApiRepresentation* wdmHostApi) break; /* No more devices */ /* Check this one has the render or capture alias */ - hasAlias = 0; + aliasFlags = 0; noError = SetupDiGetDeviceInterfaceAlias(handle,&interfaceData,alias_render,&aliasData); PA_DEBUG(("noError = %d\n",noError)); if(noError) @@ -1633,7 +2958,7 @@ static PaError BuildFilterList(PaWinWdmHostApiRepresentation* wdmHostApi) if(aliasData.Flags && (!(aliasData.Flags & SPINT_REMOVED))) { PA_DEBUG(("Device %d has render alias\n",device)); - hasAlias |= 1; /* Has render alias */ + aliasFlags |= Alias_kRender; /* Has render alias */ } else { @@ -1646,29 +2971,29 @@ static PaError BuildFilterList(PaWinWdmHostApiRepresentation* wdmHostApi) if(aliasData.Flags && (!(aliasData.Flags & SPINT_REMOVED))) { PA_DEBUG(("Device %d has capture alias\n",device)); - hasAlias |= 2; /* Has capture alias */ + aliasFlags |= Alias_kCapture; /* Has capture alias */ } else { PA_DEBUG(("Device %d has no capture alias\n",device)); } } - if(!hasAlias) + if(!aliasFlags) invalidDevices++; /* This was not a valid capture or render audio device */ - } /* Remember how many there are */ - wdmHostApi->filterCount = device-invalidDevices; + filterCount = device-invalidDevices; PA_DEBUG(("Interfaces found: %d\n",device-invalidDevices)); /* Now allocate the list of pointers to devices */ - wdmHostApi->filters = (PaWinWdmFilter**)PaUtil_AllocateMemory( sizeof(PaWinWdmFilter*) * device ); - if( !wdmHostApi->filters ) + ppFilters = (PaWinWdmFilter**)PaUtil_AllocateMemory( sizeof(PaWinWdmFilter*) * filterCount); + if( ppFilters == 0 ) { if(handle != NULL) SetupDiDestroyDeviceInfoList(handle); - return paInsufficientMemory; + *pResult = paInsufficientMemory; + return NULL; } /* Now create filter objects for each interface found */ @@ -1681,20 +3006,21 @@ static PaError BuildFilterList(PaWinWdmHostApiRepresentation* wdmHostApi) aliasData.Reserved = 0; devInfoData.cbSize = sizeof(SP_DEVINFO_DATA); devInfoData.Reserved = 0; + streamingType = Type_kWaveCyclic; noError = SetupDiEnumDeviceInterfaces(handle,NULL,category,device,&interfaceData); if( !noError ) break; /* No more devices */ /* Check this one has the render or capture alias */ - hasAlias = 0; + aliasFlags = 0; noError = SetupDiGetDeviceInterfaceAlias(handle,&interfaceData,alias_render,&aliasData); if(noError) { if(aliasData.Flags && (!(aliasData.Flags & SPINT_REMOVED))) { PA_DEBUG(("Device %d has render alias\n",device)); - hasAlias |= 1; /* Has render alias */ + aliasFlags |= Alias_kRender; /* Has render alias */ } } noError = SetupDiGetDeviceInterfaceAlias(handle,&interfaceData,alias_capture,&aliasData); @@ -1703,71 +3029,583 @@ static PaError BuildFilterList(PaWinWdmHostApiRepresentation* wdmHostApi) if(aliasData.Flags && (!(aliasData.Flags & SPINT_REMOVED))) { PA_DEBUG(("Device %d has capture alias\n",device)); - hasAlias |= 2; /* Has capture alias */ + aliasFlags |= Alias_kCapture; /* Has capture alias */ + } + } + if(!aliasFlags) + { + continue; /* This was not a valid capture or render audio device */ + } + else + { + /* Check if filter is WaveRT, if not it is a WaveCyclic */ + noError = SetupDiGetDeviceInterfaceAlias(handle,&interfaceData,category_realtime,&aliasData); + if (noError) + { + PA_DEBUG(("Device %d has realtime alias\n",device)); + aliasFlags |= Alias_kRealtime; + streamingType = Type_kWaveRT; + } + } + + noError = SetupDiGetDeviceInterfaceDetailW(handle,&interfaceData,devInterfaceDetails,sizeInterface,NULL,&devInfoData); + if( noError ) + { + DWORD type; + WCHAR friendlyName[MAX_PATH] = {0}; + DWORD sizeFriendlyName; + PaWinWdmFilter* newFilter = 0; + + PaError result = paNoError; + /* Try to get the "friendly name" for this interface */ + sizeFriendlyName = sizeof(friendlyName); + + if (IsEarlierThanVista() && IsUSBDevice(devInterfaceDetails->DevicePath)) + { + /* XP and USB audio device needs to look elsewhere, otherwise it'll only be a "USB Audio Device". Not + very literate. */ + if (!SetupDiGetDeviceRegistryPropertyW(handle, + &devInfoData, + SPDRP_LOCATION_INFORMATION, + &type, + (BYTE*)friendlyName, + sizeof(friendlyName), + NULL)) + { + friendlyName[0] = 0; + } + } + + if (friendlyName[0] == 0 || IsNameUSBAudioDevice(friendlyName)) + { + /* Fix contributed by Ben Allison + * Removed KEY_SET_VALUE from flags on following call + * as its causes failure when running without admin rights + * and it was not required */ + HKEY hkey=SetupDiOpenDeviceInterfaceRegKey(handle,&interfaceData,0,KEY_QUERY_VALUE); + if(hkey!=INVALID_HANDLE_VALUE) + { + noError = RegQueryValueExW(hkey,L"FriendlyName",0,&type,(BYTE*)friendlyName,&sizeFriendlyName); + if( noError == ERROR_SUCCESS ) + { + PA_DEBUG(("Interface %d, Name: %s\n",device,friendlyName)); + RegCloseKey(hkey); + } + else + { + friendlyName[0] = 0; + } + } + } + + TrimString(friendlyName, sizeFriendlyName); + + newFilter = FilterNew(streamingType, + devInfoData.DevInst, + devInterfaceDetails->DevicePath, + friendlyName, + &result); + + if( result == paNoError ) + { + int pin; + unsigned filterIOs = 0; + + /* Increment number of "devices" */ + for (pin = 0; pin < newFilter->pinCount; ++pin) + { + PaWinWdmPin* pPin = newFilter->pins[pin]; + if (pPin == NULL) + continue; + + filterIOs += max(1, pPin->inputCount); + } + + noOfPaDevices += filterIOs; + + PA_DEBUG(("Filter (%s) created with %d valid pins (total I/Os: %u)\n", ((newFilter->devInfo.streamingType==Type_kWaveRT)?"WaveRT":"WaveCyclic"), newFilter->validPinCount, filterIOs)); + + assert(slot < filterCount); + + ppFilters[slot] = newFilter; + + slot++; + } + else + { + PA_DEBUG(("Filter NOT created\n")); + /* As there are now less filters than we initially thought + * we must reduce the count by one */ + filterCount--; + } + } + } + + /* Clean up */ + if(handle != NULL) + SetupDiDestroyDeviceInfoList(handle); + + *pFilterCount = filterCount; + *pNoOfPaDevices = noOfPaDevices; + + return ppFilters; +} + +typedef struct PaNameHashIndex +{ + unsigned index; + unsigned count; + ULONG hash; + struct PaNameHashIndex *next; +} PaNameHashIndex; + +typedef struct PaNameHashObject +{ + PaNameHashIndex* list; + PaUtilAllocationGroup* allocGroup; +} PaNameHashObject; + +static ULONG GetNameHash(const wchar_t* str, const BOOL input) +{ + /* This is to make sure that a name that exists as both input & output won't get the same hash value */ + const ULONG fnv_prime = (input ? 0x811C9DD7 : 0x811FEB0B); + ULONG hash = 0; + for(; *str != 0; str++) + { + hash *= fnv_prime; + hash ^= (*str); + } + assert(hash != 0); + return hash; +} + +static PaError CreateHashEntry(PaNameHashObject* obj, const wchar_t* name, const BOOL input) +{ + ULONG hash = GetNameHash(name, input); + PaNameHashIndex * pLast = NULL; + PaNameHashIndex * p = obj->list; + while (p != 0) + { + if (p->hash == hash) + { + break; + } + pLast = p; + p = p->next; + } + if (p == NULL) + { + p = (PaNameHashIndex*)PaUtil_GroupAllocateMemory(obj->allocGroup, sizeof(PaNameHashIndex)); + if (p == NULL) + { + return paInsufficientMemory; + } + p->hash = hash; + p->count = 1; + if (pLast != 0) + { + assert(pLast->next == 0); + pLast->next = p; + } + if (obj->list == 0) + { + obj->list = p; + } + } + else + { + ++p->count; + } + return paNoError; +} + +static PaError InitNameHashObject(PaNameHashObject* obj, PaWinWdmFilter* pFilter) +{ + int i; + + obj->allocGroup = PaUtil_CreateAllocationGroup(); + if (obj->allocGroup == NULL) + { + return paInsufficientMemory; + } + + for (i = 0; i < pFilter->pinCount; ++i) + { + unsigned m; + PaWinWdmPin* pin = pFilter->pins[i]; + + if (pin == NULL) + continue; + + for (m = 0; m < max(1, pin->inputCount); ++m) + { + const BOOL isInput = (pin->dataFlow == KSPIN_DATAFLOW_OUT); + const wchar_t* name = (pin->inputs == NULL) ? pin->friendlyName : pin->inputs[m]->friendlyName; + + PaError result = CreateHashEntry(obj, name, isInput); + + if (result != paNoError) + { + return result; + } + } + } + return paNoError; +} + +static void DeinitNameHashObject(PaNameHashObject* obj) +{ + assert(obj != 0); + PaUtil_FreeAllAllocations(obj->allocGroup); + PaUtil_DestroyAllocationGroup(obj->allocGroup); + memset(obj, 0, sizeof(PaNameHashObject)); +} + +static unsigned GetNameIndex(PaNameHashObject* obj, const wchar_t* name, const BOOL input) +{ + ULONG hash = GetNameHash(name, input); + PaNameHashIndex* p = obj->list; + while (p != NULL) + { + if (p->hash == hash) + { + if (p->count > 1) + { + return (++p->index); + } + else + { + return 0; + } + } + + p = p->next; + } + // Should never get here!! + assert(FALSE); + return 0; +} + +static PaError ScanDeviceInfos( struct PaUtilHostApiRepresentation *hostApi, PaHostApiIndex hostApiIndex, void **scanResults, int *newDeviceCount ) +{ + PaWinWdmHostApiRepresentation *wdmHostApi = (PaWinWdmHostApiRepresentation*)hostApi; + PaError result = paNoError; + PaWinWdmFilter** ppFilters = 0; + PaWinWDMScanDeviceInfosResults *outArgument = 0; + int filterCount = 0; + int totalDeviceCount = 0; + int idxDevice = 0; + + ppFilters = BuildFilterList( &filterCount, &totalDeviceCount, &result ); + if( result != paNoError ) + { + goto error; + } + + if( totalDeviceCount > 0 ) + { + PaWinWdmDeviceInfo *deviceInfoArray = 0; + int idxFilter; + int i; + + /* Allocate the out param for all the info we need */ + outArgument = (PaWinWDMScanDeviceInfosResults *) PaUtil_GroupAllocateMemory( + wdmHostApi->allocations, sizeof(PaWinWDMScanDeviceInfosResults) ); + if( !outArgument ) + { + result = paInsufficientMemory; + goto error; + } + + outArgument->defaultInputDevice = paNoDevice; + outArgument->defaultOutputDevice = paNoDevice; + + outArgument->deviceInfos = (PaDeviceInfo**)PaUtil_GroupAllocateMemory( + wdmHostApi->allocations, sizeof(PaDeviceInfo*) * totalDeviceCount ); + if( !outArgument->deviceInfos ) + { + result = paInsufficientMemory; + goto error; + } + + /* allocate all device info structs in a contiguous block */ + deviceInfoArray = (PaWinWdmDeviceInfo*)PaUtil_GroupAllocateMemory( + wdmHostApi->allocations, sizeof(PaWinWdmDeviceInfo) * totalDeviceCount ); + if( !deviceInfoArray ) + { + result = paInsufficientMemory; + goto error; + } + + /* Make sure all items in array */ + for( i = 0 ; i < totalDeviceCount; ++i ) + { + PaDeviceInfo *deviceInfo = &deviceInfoArray[i].inheritedDeviceInfo; + deviceInfo->structVersion = 2; + deviceInfo->hostApi = hostApiIndex; + deviceInfo->name = 0; + outArgument->deviceInfos[ i ] = deviceInfo; + } + + idxDevice = 0; + for (idxFilter = 0; idxFilter < filterCount; ++idxFilter) + { + PaNameHashObject nameHash = {0}; + PaWinWdmFilter* pFilter = ppFilters[idxFilter]; + if( pFilter == NULL ) + continue; + + if (InitNameHashObject(&nameHash, pFilter) != paNoError) + { + DeinitNameHashObject(&nameHash); + continue; + } + + for (i = 0; i < pFilter->pinCount; ++i) + { + unsigned m; + ULONG nameIndex = 0; + ULONG nameIndexHash = 0; + PaWinWdmPin* pin = pFilter->pins[i]; + + if (pin == NULL) + continue; + + for (m = 0; m < max(1, pin->inputCount); ++m) + { + PaWinWdmDeviceInfo *wdmDeviceInfo = (PaWinWdmDeviceInfo *)outArgument->deviceInfos[idxDevice]; + PaDeviceInfo *deviceInfo = &wdmDeviceInfo->inheritedDeviceInfo; + wchar_t localCompositeName[MAX_PATH]; + unsigned nameIndex = 0; + const BOOL isInput = (pin->dataFlow == KSPIN_DATAFLOW_OUT); + + wdmDeviceInfo->filter = pFilter; + + deviceInfo->structVersion = 2; + deviceInfo->hostApi = hostApiIndex; + deviceInfo->name = wdmDeviceInfo->compositeName; + /* deviceInfo->hostApiSpecificDeviceInfo = &pFilter->devInfo; */ + + wdmDeviceInfo->pin = pin->pinId; + + /* Get the name of the "device" */ + if (pin->inputs == NULL) + { + wcsncpy(localCompositeName, pin->friendlyName, MAX_PATH); + wdmDeviceInfo->muxPosition = -1; + wdmDeviceInfo->endpointPinId = pin->endpointPinId; + } + else + { + PaWinWdmMuxedInput* input = pin->inputs[m]; + wcsncpy(localCompositeName, input->friendlyName, MAX_PATH); + wdmDeviceInfo->muxPosition = (int)m; + wdmDeviceInfo->endpointPinId = input->endpointPinId; + } + + { + /* Get base length */ + size_t n = wcslen(localCompositeName); + + /* Check if there are more entries with same name (which might very well be the case), if there + are, the name will be postfixed with an index. */ + nameIndex = GetNameIndex(&nameHash, localCompositeName, isInput); + if (nameIndex > 0) + { + /* This name has multiple instances, so we post fix with a number */ + n += _snwprintf(localCompositeName + n, MAX_PATH - n, L" %u", nameIndex); + } + /* Postfix with filter name */ + _snwprintf(localCompositeName + n, MAX_PATH - n, L" (%s)", pFilter->friendlyName); + } + + /* Convert wide char string to utf-8 */ + WideCharToMultiByte(CP_UTF8, 0, localCompositeName, -1, wdmDeviceInfo->compositeName, MAX_PATH, NULL, NULL); + + /* NB! WDM/KS has no concept of a full-duplex device, each pin is either an input or and output */ + if (isInput) + { + /* INPUT ! */ + deviceInfo->maxInputChannels = pin->maxChannels; + deviceInfo->maxOutputChannels = 0; + + if (outArgument->defaultInputDevice == paNoDevice) + { + outArgument->defaultInputDevice = idxDevice; + } + } + else + { + /* OUTPUT ! */ + deviceInfo->maxInputChannels = 0; + deviceInfo->maxOutputChannels = pin->maxChannels; + + if (outArgument->defaultOutputDevice == paNoDevice) + { + outArgument->defaultOutputDevice = idxDevice; + } + } + + /* These low values are not very useful because + * a) The lowest latency we end up with can depend on many factors such + * as the device buffer sizes/granularities, sample rate, channels and format + * b) We cannot know the device buffer sizes until we try to open/use it at + * a particular setting + * So: we give 512x48000Hz frames as the default low input latency + **/ + switch (pFilter->devInfo.streamingType) + { + case Type_kWaveCyclic: + if (IsEarlierThanVista()) + { + /* XP doesn't tolerate low latency, unless the Process Priority Class is set to REALTIME_PRIORITY_CLASS + through SetPriorityClass, then 10 ms is quite feasible. However, one should then bear in mind that ALL of + the process is running in REALTIME_PRIORITY_CLASS, which might not be appropriate for an application with + a GUI . In this case it is advisable to separate the audio engine in another process and use IPC to communicate + with it. */ + deviceInfo->defaultLowInputLatency = 0.02; + deviceInfo->defaultLowOutputLatency = 0.02; + } + else + { + /* This is a conservative estimate. Most WaveCyclic drivers will limit the available latency, but f.i. my Edirol + PCR-A30 can reach 3 ms latency easily... */ + deviceInfo->defaultLowInputLatency = 0.01; + deviceInfo->defaultLowOutputLatency = 0.01; + } + deviceInfo->defaultHighInputLatency = (4096.0/48000.0); + deviceInfo->defaultHighOutputLatency = (4096.0/48000.0); + deviceInfo->defaultSampleRate = (double)(pin->bestSampleRate); + break; + case Type_kWaveRT: + /* This is also a conservative estimate, based on WaveRT polled mode. In polled mode, the latency will be dictated + by the buffer size given by the driver. */ + deviceInfo->defaultLowInputLatency = 0.01; + deviceInfo->defaultLowOutputLatency = 0.01; + deviceInfo->defaultHighInputLatency = 0.04; + deviceInfo->defaultHighOutputLatency = 0.04; + deviceInfo->defaultSampleRate = (double)(pin->bestSampleRate); + break; + default: + assert(0); + break; + } + + /* Add reference to filter */ + FilterAddRef(wdmDeviceInfo->filter); + + assert(idxDevice < totalDeviceCount); + ++idxDevice; + } } + + /* If no one has add ref'd the filter, drop it */ + if (pFilter->filterRefCount == 0) + { + FilterFree(pFilter); + } + + /* Deinitialize name hash object */ + DeinitNameHashObject(&nameHash); + } + } + + *scanResults = outArgument; + *newDeviceCount = idxDevice; + return result; + +error: + result = DisposeDeviceInfos(hostApi, outArgument, totalDeviceCount); + + return result; +} + +static PaError CommitDeviceInfos( struct PaUtilHostApiRepresentation *hostApi, PaHostApiIndex index, void *scanResults, int deviceCount ) +{ + PaWinWdmHostApiRepresentation *wdmHostApi = (PaWinWdmHostApiRepresentation*)hostApi; + + hostApi->info.deviceCount = 0; + hostApi->info.defaultInputDevice = paNoDevice; + hostApi->info.defaultOutputDevice = paNoDevice; + + /* Free any old memory which might be in the device info */ + if( hostApi->deviceInfos ) + { + PaWinWDMScanDeviceInfosResults* localScanResults = (PaWinWDMScanDeviceInfosResults*)PaUtil_GroupAllocateMemory( + wdmHostApi->allocations, sizeof(PaWinWDMScanDeviceInfosResults)); + localScanResults->deviceInfos = hostApi->deviceInfos; + + DisposeDeviceInfos(hostApi, &localScanResults, hostApi->info.deviceCount); + + hostApi->deviceInfos = NULL; + } + + if( scanResults != NULL ) + { + PaWinWDMScanDeviceInfosResults *scanDeviceInfosResults = ( PaWinWDMScanDeviceInfosResults * ) scanResults; + + if( deviceCount > 0 ) + { + /* use the array allocated in ScanDeviceInfos() as our deviceInfos */ + hostApi->deviceInfos = scanDeviceInfosResults->deviceInfos; + + hostApi->info.defaultInputDevice = scanDeviceInfosResults->defaultInputDevice; + hostApi->info.defaultOutputDevice = scanDeviceInfosResults->defaultOutputDevice; + + hostApi->info.deviceCount = deviceCount; } - if(!hasAlias) - continue; /* This was not a valid capture or render audio device */ - noError = SetupDiGetDeviceInterfaceDetail(handle,&interfaceData,devInterfaceDetails,sizeInterface,NULL,&devInfoData); - if( noError ) + PaUtil_GroupFreeMemory( wdmHostApi->allocations, scanDeviceInfosResults ); + } + + return paNoError; + +} + +static PaError DisposeDeviceInfos( struct PaUtilHostApiRepresentation *hostApi, void *scanResults, int deviceCount ) +{ + PaWinWdmHostApiRepresentation *winDsHostApi = (PaWinWdmHostApiRepresentation*)hostApi; + + if( scanResults != NULL ) + { + PaWinWDMScanDeviceInfosResults *scanDeviceInfosResults = ( PaWinWDMScanDeviceInfosResults * ) scanResults; + + if( scanDeviceInfosResults->deviceInfos ) { - /* Try to get the "friendly name" for this interface */ - sizeFriendlyName = sizeof(friendlyName); - /* Fix contributed by Ben Allison - * Removed KEY_SET_VALUE from flags on following call - * as its causes failure when running without admin rights - * and it was not required */ - hkey=SetupDiOpenDeviceInterfaceRegKey(handle,&interfaceData,0,KEY_QUERY_VALUE); - if(hkey!=INVALID_HANDLE_VALUE) - { - noError = RegQueryValueEx(hkey,TEXT("FriendlyName"),0,&type,(BYTE*)friendlyName,&sizeFriendlyName); - if( noError == ERROR_SUCCESS ) - { - PA_DEBUG(("Interface %d, Name: %s\n",device,friendlyName)); - RegCloseKey(hkey); - } - else + int i; + for (i = 0; i < deviceCount; ++i) + { + PaWinWdmDeviceInfo* pDevice = (PaWinWdmDeviceInfo*)scanDeviceInfosResults->deviceInfos[i]; + if (pDevice->filter != 0) { - friendlyName[0] = 0; + FilterFree(pDevice->filter); } } - newFilter = FilterNew(devInterfaceDetails->DevicePath,friendlyName,&result); - if( result == paNoError ) - { - PA_DEBUG(("Filter created\n")); - wdmHostApi->filters[slot] = newFilter; - slot++; - } - else - { - PA_DEBUG(("Filter NOT created\n")); - /* As there are now less filters than we initially thought - * we must reduce the count by one */ - wdmHostApi->filterCount--; - } + + PaUtil_GroupFreeMemory( winDsHostApi->allocations, scanDeviceInfosResults->deviceInfos[0] ); /* all device info structs are allocated in a block so we can destroy them here */ + PaUtil_GroupFreeMemory( winDsHostApi->allocations, scanDeviceInfosResults->deviceInfos ); } - } - /* Clean up */ - if(handle != NULL) - SetupDiDestroyDeviceInfoList(handle); + PaUtil_GroupFreeMemory( winDsHostApi->allocations, scanDeviceInfosResults ); + } return paNoError; + } PaError PaWinWdm_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiIndex hostApiIndex ) { PaError result = paNoError; - int i, deviceCount; + int deviceCount = 0; + void *scanResults = 0; PaWinWdmHostApiRepresentation *wdmHostApi; - PaWinWdmDeviceInfo *deviceInfoArray; - PaWinWdmFilter* pFilter; - PaWinWdmDeviceInfo *wdmDeviceInfo; - PaDeviceInfo *deviceInfo; PA_LOGE_; +#ifdef PA_WDMKS_SET_TREF + tRef = PaUtil_GetTime(); +#endif + /* Attempt to load the KSUSER.DLL without which we cannot create pins We will unload this on termination @@ -1779,6 +3617,18 @@ PaError PaWinWdm_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiInd goto error; } + /* Attempt to load AVRT.DLL, if we can't, then we'll just use time critical prio instead... */ + if(DllAvRt == NULL) + { + DllAvRt = LoadLibrary(TEXT("avrt.dll")); + if (DllAvRt != NULL) + { + FunctionAvSetMmThreadCharacteristics = (AVSETMMTHREADCHARACTERISTICS*)GetProcAddress(DllAvRt,"AvSetMmThreadCharacteristicsA"); + FunctionAvRevertMmThreadCharacteristics = (AVREVERTMMTHREADCHARACTERISTICS*)GetProcAddress(DllAvRt, "AvRevertMmThreadCharacteristics"); + FunctionAvSetMmThreadPriority = (AVSETMMTHREADPRIORITY*)GetProcAddress(DllAvRt, "AvSetMmThreadPriority"); + } + } + FunctionKsCreatePin = (KSCREATEPIN*)GetProcAddress(DllKsUser, "KsCreatePin"); if(FunctionKsCreatePin == NULL) goto error; @@ -1797,129 +3647,50 @@ PaError PaWinWdm_Initialize( PaUtilHostApiRepresentation **hostApi, PaHostApiInd goto error; } - result = BuildFilterList( wdmHostApi ); - if( result != paNoError ) - { - goto error; - } - deviceCount = wdmHostApi->filterCount; - *hostApi = &wdmHostApi->inheritedHostApiRep; (*hostApi)->info.structVersion = 1; (*hostApi)->info.type = paWDMKS; (*hostApi)->info.name = "Windows WDM-KS"; + + /* these are all updated by CommitDeviceInfos() */ + (*hostApi)->info.deviceCount = 0; (*hostApi)->info.defaultInputDevice = paNoDevice; (*hostApi)->info.defaultOutputDevice = paNoDevice; + (*hostApi)->deviceInfos = 0; - if( deviceCount > 0 ) + result = ScanDeviceInfos(&wdmHostApi->inheritedHostApiRep, hostApiIndex, &scanResults, &deviceCount); + if (result != paNoError) { - (*hostApi)->deviceInfos = (PaDeviceInfo**)PaUtil_GroupAllocateMemory( - wdmHostApi->allocations, sizeof(PaWinWdmDeviceInfo*) * deviceCount ); - if( !(*hostApi)->deviceInfos ) - { - result = paInsufficientMemory; - goto error; - } - - /* allocate all device info structs in a contiguous block */ - deviceInfoArray = (PaWinWdmDeviceInfo*)PaUtil_GroupAllocateMemory( - wdmHostApi->allocations, sizeof(PaWinWdmDeviceInfo) * deviceCount ); - if( !deviceInfoArray ) - { - result = paInsufficientMemory; - goto error; - } - - for( i=0; i < deviceCount; ++i ) - { - wdmDeviceInfo = &deviceInfoArray[i]; - deviceInfo = &wdmDeviceInfo->inheritedDeviceInfo; - pFilter = wdmHostApi->filters[i]; - if( pFilter == NULL ) - continue; - wdmDeviceInfo->filter = pFilter; - deviceInfo->structVersion = 2; - deviceInfo->hostApi = hostApiIndex; - deviceInfo->name = (char*)pFilter->friendlyName; - PA_DEBUG(("Device found name: %s\n",(char*)pFilter->friendlyName)); - deviceInfo->maxInputChannels = pFilter->maxInputChannels; - if(deviceInfo->maxInputChannels > 0) - { - /* Set the default input device to the first device we find with - * more than zero input channels - **/ - if((*hostApi)->info.defaultInputDevice == paNoDevice) - { - (*hostApi)->info.defaultInputDevice = i; - } - } - - deviceInfo->maxOutputChannels = pFilter->maxOutputChannels; - if(deviceInfo->maxOutputChannels > 0) - { - /* Set the default output device to the first device we find with - * more than zero output channels - **/ - if((*hostApi)->info.defaultOutputDevice == paNoDevice) - { - (*hostApi)->info.defaultOutputDevice = i; - } - } - - /* These low values are not very useful because - * a) The lowest latency we end up with can depend on many factors such - * as the device buffer sizes/granularities, sample rate, channels and format - * b) We cannot know the device buffer sizes until we try to open/use it at - * a particular setting - * So: we give 512x48000Hz frames as the default low input latency - **/ - deviceInfo->defaultLowInputLatency = (512.0/48000.0); - deviceInfo->defaultLowOutputLatency = (512.0/48000.0); - deviceInfo->defaultHighInputLatency = (4096.0/48000.0); - deviceInfo->defaultHighOutputLatency = (4096.0/48000.0); - deviceInfo->defaultSampleRate = (double)(pFilter->bestSampleRate); - - (*hostApi)->deviceInfos[i] = deviceInfo; - } + goto error; } - (*hostApi)->info.deviceCount = deviceCount; + CommitDeviceInfos(&wdmHostApi->inheritedHostApiRep, hostApiIndex, scanResults, deviceCount); (*hostApi)->Terminate = Terminate; (*hostApi)->OpenStream = OpenStream; (*hostApi)->IsFormatSupported = IsFormatSupported; - + /* In preparation for hotplug + (*hostApi)->ScanDeviceInfos = ScanDeviceInfos; + (*hostApi)->CommitDeviceInfos = CommitDeviceInfos; + (*hostApi)->DisposeDeviceInfos = DisposeDeviceInfos; + */ PaUtil_InitializeStreamInterface( &wdmHostApi->callbackStreamInterface, CloseStream, StartStream, - StopStream, AbortStream, IsStreamStopped, IsStreamActive, - GetStreamTime, GetStreamCpuLoad, - PaUtil_DummyRead, PaUtil_DummyWrite, - PaUtil_DummyGetReadAvailable, PaUtil_DummyGetWriteAvailable ); + StopStream, AbortStream, IsStreamStopped, IsStreamActive, + GetStreamTime, GetStreamCpuLoad, + PaUtil_DummyRead, PaUtil_DummyWrite, + PaUtil_DummyGetReadAvailable, PaUtil_DummyGetWriteAvailable ); PaUtil_InitializeStreamInterface( &wdmHostApi->blockingStreamInterface, CloseStream, StartStream, - StopStream, AbortStream, IsStreamStopped, IsStreamActive, - GetStreamTime, PaUtil_DummyGetCpuLoad, - ReadStream, WriteStream, GetStreamReadAvailable, GetStreamWriteAvailable ); + StopStream, AbortStream, IsStreamStopped, IsStreamActive, + GetStreamTime, PaUtil_DummyGetCpuLoad, + ReadStream, WriteStream, GetStreamReadAvailable, GetStreamWriteAvailable ); PA_LOGL_; return result; error: - if( DllKsUser != NULL ) - { - FreeLibrary( DllKsUser ); - DllKsUser = NULL; - } + Terminate( (PaUtilHostApiRepresentation*)wdmHostApi ); - if( wdmHostApi ) - { - PaUtil_FreeMemory( wdmHostApi->filters ); - if( wdmHostApi->allocations ) - { - PaUtil_FreeAllAllocations( wdmHostApi->allocations ); - PaUtil_DestroyAllocationGroup( wdmHostApi->allocations ); - } - PaUtil_FreeMemory( wdmHostApi ); - } PA_LOGL_; return result; } @@ -1928,85 +3699,42 @@ error: static void Terminate( struct PaUtilHostApiRepresentation *hostApi ) { PaWinWdmHostApiRepresentation *wdmHostApi = (PaWinWdmHostApiRepresentation*)hostApi; - int i; PA_LOGE_; - if( wdmHostApi->filters ) - { - for( i=0; ifilterCount; i++) - { - if( wdmHostApi->filters[i] != NULL ) - { - FilterFree( wdmHostApi->filters[i] ); - wdmHostApi->filters[i] = NULL; - } - } - } - PaUtil_FreeMemory( wdmHostApi->filters ); - if( wdmHostApi->allocations ) + /* Do not unload the libraries */ + if( DllKsUser != NULL ) { - PaUtil_FreeAllAllocations( wdmHostApi->allocations ); - PaUtil_DestroyAllocationGroup( wdmHostApi->allocations ); + FreeLibrary( DllKsUser ); + DllKsUser = NULL; } - PaUtil_FreeMemory( wdmHostApi ); - PA_LOGL_; -} -static void FillWFEXT( WAVEFORMATEXTENSIBLE* pwfext, PaSampleFormat sampleFormat, double sampleRate, int channelCount) -{ - PA_LOGE_; - PA_DEBUG(( "sampleFormat = %lx\n" , sampleFormat )); - PA_DEBUG(( "sampleRate = %f\n" , sampleRate )); - PA_DEBUG(( "chanelCount = %d\n", channelCount )); - - pwfext->Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE; - pwfext->Format.nChannels = channelCount; - pwfext->Format.nSamplesPerSec = (int)sampleRate; - if(channelCount == 1) - pwfext->dwChannelMask = KSAUDIO_SPEAKER_DIRECTOUT; - else - pwfext->dwChannelMask = KSAUDIO_SPEAKER_STEREO; - if(sampleFormat == paFloat32) - { - pwfext->Format.nBlockAlign = channelCount * 4; - pwfext->Format.wBitsPerSample = 32; - pwfext->Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE)-sizeof(WAVEFORMATEX); - pwfext->Samples.wValidBitsPerSample = 32; - pwfext->SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT; - } - else if(sampleFormat == paInt32) - { - pwfext->Format.nBlockAlign = channelCount * 4; - pwfext->Format.wBitsPerSample = 32; - pwfext->Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE)-sizeof(WAVEFORMATEX); - pwfext->Samples.wValidBitsPerSample = 32; - pwfext->SubFormat = KSDATAFORMAT_SUBTYPE_PCM; - } - else if(sampleFormat == paInt24) + if( DllAvRt != NULL ) { - pwfext->Format.nBlockAlign = channelCount * 3; - pwfext->Format.wBitsPerSample = 24; - pwfext->Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE)-sizeof(WAVEFORMATEX); - pwfext->Samples.wValidBitsPerSample = 24; - pwfext->SubFormat = KSDATAFORMAT_SUBTYPE_PCM; + FreeLibrary( DllAvRt ); + DllAvRt = NULL; } - else if(sampleFormat == paInt16) + + if( wdmHostApi) { - pwfext->Format.nBlockAlign = channelCount * 2; - pwfext->Format.wBitsPerSample = 16; - pwfext->Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE)-sizeof(WAVEFORMATEX); - pwfext->Samples.wValidBitsPerSample = 16; - pwfext->SubFormat = KSDATAFORMAT_SUBTYPE_PCM; - } - pwfext->Format.nAvgBytesPerSec = pwfext->Format.nSamplesPerSec * pwfext->Format.nBlockAlign; + PaWinWDMScanDeviceInfosResults* localScanResults = (PaWinWDMScanDeviceInfosResults*)PaUtil_GroupAllocateMemory( + wdmHostApi->allocations, sizeof(PaWinWDMScanDeviceInfosResults)); + localScanResults->deviceInfos = hostApi->deviceInfos; + DisposeDeviceInfos(hostApi, localScanResults, hostApi->info.deviceCount); + if( wdmHostApi->allocations ) + { + PaUtil_FreeAllAllocations( wdmHostApi->allocations ); + PaUtil_DestroyAllocationGroup( wdmHostApi->allocations ); + } + PaUtil_FreeMemory( wdmHostApi ); + } PA_LOGL_; } static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi, - const PaStreamParameters *inputParameters, - const PaStreamParameters *outputParameters, - double sampleRate ) + const PaStreamParameters *inputParameters, + const PaStreamParameters *outputParameters, + double sampleRate ) { int inputChannelCount, outputChannelCount; PaSampleFormat inputSampleFormat, outputSampleFormat; @@ -2014,49 +3742,114 @@ static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi, PaWinWdmFilter* pFilter; int result = paFormatIsSupported; WAVEFORMATEXTENSIBLE wfx; + PaWinWaveFormatChannelMask channelMask; PA_LOGE_; if( inputParameters ) { + PaWinWdmDeviceInfo* pDeviceInfo = (PaWinWdmDeviceInfo*)wdmHostApi->inheritedHostApiRep.deviceInfos[inputParameters->device]; + PaWinWdmPin* pin; + unsigned fmt; + unsigned long testFormat = 0; + unsigned validBits = 0; + inputChannelCount = inputParameters->channelCount; inputSampleFormat = inputParameters->sampleFormat; /* all standard sample formats are supported by the buffer adapter, - this implementation doesn't support any custom sample formats */ + this implementation doesn't support any custom sample formats */ if( inputSampleFormat & paCustomFormat ) + { + PaWinWDM_SetLastErrorInfo(paSampleFormatNotSupported, "IsFormatSupported: Custom input format not supported"); return paSampleFormatNotSupported; + } /* unless alternate device specification is supported, reject the use of - paUseHostApiSpecificDeviceSpecification */ + paUseHostApiSpecificDeviceSpecification */ if( inputParameters->device == paUseHostApiSpecificDeviceSpecification ) + { + PaWinWDM_SetLastErrorInfo(paInvalidDevice, "IsFormatSupported: paUseHostApiSpecificDeviceSpecification not supported"); return paInvalidDevice; + } /* check that input device can support inputChannelCount */ if( inputChannelCount > hostApi->deviceInfos[ inputParameters->device ]->maxInputChannels ) + { + PaWinWDM_SetLastErrorInfo(paInvalidChannelCount, "IsFormatSupported: Invalid input channel count"); return paInvalidChannelCount; + } /* validate inputStreamInfo */ if( inputParameters->hostApiSpecificStreamInfo ) + { + PaWinWDM_SetLastErrorInfo(paIncompatibleHostApiSpecificStreamInfo, "Host API stream info not supported"); return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */ + } + + pFilter = pDeviceInfo->filter; + pin = pFilter->pins[pDeviceInfo->pin]; + + /* Find out the testing format */ + for (fmt = paFloat32; fmt <= paUInt8; fmt <<= 1) + { + if ((fmt & pin->formats) != 0) + { + /* Found a matching format! */ + testFormat = fmt; + break; + } + } + if (testFormat == 0) + { + PaWinWDM_SetLastErrorInfo(result, "IsFormatSupported(capture) failed: no testformat found!"); + return paUnanticipatedHostError; + } + + /* Due to special considerations, WaveRT devices with paInt24 should be tested with paInt32 and + valid bits = 24 (instead of 24 bit samples) */ + if (pFilter->devInfo.streamingType == Type_kWaveRT && testFormat == paInt24) + { + PA_DEBUG(("IsFormatSupported (capture): WaveRT overriding testFormat paInt24 with paInt32 (24 valid bits)")); + testFormat = paInt32; + validBits = 24; + } /* Check that the input format is supported */ - FillWFEXT(&wfx,paInt16,sampleRate,inputChannelCount); + channelMask = PaWin_DefaultChannelMask(inputChannelCount); + PaWin_InitializeWaveFormatExtensible((PaWinWaveFormat*)&wfx, + inputChannelCount, + testFormat, + PaWin_SampleFormatToLinearWaveFormatTag(testFormat), + sampleRate, + channelMask ); + if (validBits != 0) + { + wfx.Samples.wValidBitsPerSample = validBits; + } - pFilter = wdmHostApi->filters[inputParameters->device]; - result = FilterCanCreateCapturePin(pFilter,(const WAVEFORMATEX*)&wfx); + result = PinIsFormatSupported(pin, (const WAVEFORMATEX*)&wfx); if( result != paNoError ) { /* Try a WAVE_FORMAT_PCM instead */ - wfx.Format.wFormatTag = WAVE_FORMAT_PCM; - wfx.Format.cbSize = 0; - wfx.Samples.wValidBitsPerSample = 0; - wfx.dwChannelMask = 0; - wfx.SubFormat = GUID_NULL; - result = FilterCanCreateCapturePin(pFilter,(const WAVEFORMATEX*)&wfx); + PaWin_InitializeWaveFormatEx((PaWinWaveFormat*)&wfx, + inputChannelCount, + testFormat, + PaWin_SampleFormatToLinearWaveFormatTag(testFormat), + sampleRate); + + if (validBits != 0) + { + wfx.Samples.wValidBitsPerSample = validBits; + } + + result = PinIsFormatSupported(pin, (const WAVEFORMATEX*)&wfx); if( result != paNoError ) - return result; + { + PaWinWDM_SetLastErrorInfo(result, "IsFormatSupported(capture) failed: sr=%u,ch=%u,bits=%u", wfx.Format.nSamplesPerSec, wfx.Format.nChannels, wfx.Format.wBitsPerSample); + return result; + } } } else @@ -2066,44 +3859,109 @@ static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi, if( outputParameters ) { + PaWinWdmDeviceInfo* pDeviceInfo = (PaWinWdmDeviceInfo*)wdmHostApi->inheritedHostApiRep.deviceInfos[outputParameters->device]; + PaWinWdmPin* pin; + unsigned fmt; + unsigned long testFormat = 0; + unsigned validBits = 0; + outputChannelCount = outputParameters->channelCount; outputSampleFormat = outputParameters->sampleFormat; /* all standard sample formats are supported by the buffer adapter, - this implementation doesn't support any custom sample formats */ + this implementation doesn't support any custom sample formats */ if( outputSampleFormat & paCustomFormat ) + { + PaWinWDM_SetLastErrorInfo(paSampleFormatNotSupported, "IsFormatSupported: Custom output format not supported"); return paSampleFormatNotSupported; + } /* unless alternate device specification is supported, reject the use of - paUseHostApiSpecificDeviceSpecification */ + paUseHostApiSpecificDeviceSpecification */ if( outputParameters->device == paUseHostApiSpecificDeviceSpecification ) + { + PaWinWDM_SetLastErrorInfo(paInvalidDevice, "IsFormatSupported: paUseHostApiSpecificDeviceSpecification not supported"); return paInvalidDevice; + } /* check that output device can support outputChannelCount */ if( outputChannelCount > hostApi->deviceInfos[ outputParameters->device ]->maxOutputChannels ) + { + PaWinWDM_SetLastErrorInfo(paInvalidChannelCount, "Invalid output channel count"); return paInvalidChannelCount; + } /* validate outputStreamInfo */ if( outputParameters->hostApiSpecificStreamInfo ) + { + PaWinWDM_SetLastErrorInfo(paIncompatibleHostApiSpecificStreamInfo, "Host API stream info not supported"); return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */ + } + + pFilter = pDeviceInfo->filter; + pin = pFilter->pins[pDeviceInfo->pin]; + + /* Find out the testing format */ + for (fmt = paFloat32; fmt <= paUInt8; fmt <<= 1) + { + if ((fmt & pin->formats) != 0) + { + /* Found a matching format! */ + testFormat = fmt; + break; + } + } + if (testFormat == 0) + { + PaWinWDM_SetLastErrorInfo(result, "IsFormatSupported(render) failed: no testformat found!"); + return paUnanticipatedHostError; + } + + /* Due to special considerations, WaveRT devices with paInt24 should be tested with paInt32 and + valid bits = 24 (instead of 24 bit samples) */ + if (pFilter->devInfo.streamingType == Type_kWaveRT && testFormat == paInt24) + { + PA_DEBUG(("IsFormatSupported (render): WaveRT overriding testFormat paInt24 with paInt32 (24 valid bits)")); + testFormat = paInt32; + validBits = 24; + } /* Check that the output format is supported */ - FillWFEXT(&wfx,paInt16,sampleRate,outputChannelCount); + channelMask = PaWin_DefaultChannelMask(outputChannelCount); + PaWin_InitializeWaveFormatExtensible((PaWinWaveFormat*)&wfx, + outputChannelCount, + testFormat, + PaWin_SampleFormatToLinearWaveFormatTag(testFormat), + sampleRate, + channelMask ); + + if (validBits != 0) + { + wfx.Samples.wValidBitsPerSample = validBits; + } - pFilter = wdmHostApi->filters[outputParameters->device]; - result = FilterCanCreateRenderPin(pFilter,(const WAVEFORMATEX*)&wfx); + result = PinIsFormatSupported(pin, (const WAVEFORMATEX*)&wfx); if( result != paNoError ) { /* Try a WAVE_FORMAT_PCM instead */ - wfx.Format.wFormatTag = WAVE_FORMAT_PCM; - wfx.Format.cbSize = 0; - wfx.Samples.wValidBitsPerSample = 0; - wfx.dwChannelMask = 0; - wfx.SubFormat = GUID_NULL; - result = FilterCanCreateRenderPin(pFilter,(const WAVEFORMATEX*)&wfx); + PaWin_InitializeWaveFormatEx((PaWinWaveFormat*)&wfx, + outputChannelCount, + testFormat, + PaWin_SampleFormatToLinearWaveFormatTag(testFormat), + sampleRate); + + if (validBits != 0) + { + wfx.Samples.wValidBitsPerSample = validBits; + } + + result = PinIsFormatSupported(pin, (const WAVEFORMATEX*)&wfx); if( result != paNoError ) - return result; + { + PaWinWDM_SetLastErrorInfo(result, "IsFormatSupported(render) failed: %u,%u,%u", wfx.Format.nSamplesPerSec, wfx.Format.nChannels, wfx.Format.wBitsPerSample); + return result; + } } } @@ -2113,43 +3971,149 @@ static PaError IsFormatSupported( struct PaUtilHostApiRepresentation *hostApi, } /* - IMPLEMENT ME: + IMPLEMENT ME: - - if a full duplex stream is requested, check that the combination - of input and output parameters is supported if necessary + - if a full duplex stream is requested, check that the combination + of input and output parameters is supported if necessary - - check that the device supports sampleRate + - check that the device supports sampleRate - Because the buffer adapter handles conversion between all standard - sample formats, the following checks are only required if paCustomFormat - is implemented, or under some other unusual conditions. + Because the buffer adapter handles conversion between all standard + sample formats, the following checks are only required if paCustomFormat + is implemented, or under some other unusual conditions. - - check that input device can support inputSampleFormat, or that - we have the capability to convert from inputSampleFormat to - a native format + - check that input device can support inputSampleFormat, or that + we have the capability to convert from inputSampleFormat to + a native format - - check that output device can support outputSampleFormat, or that - we have the capability to convert from outputSampleFormat to - a native format + - check that output device can support outputSampleFormat, or that + we have the capability to convert from outputSampleFormat to + a native format */ if((inputChannelCount == 0)&&(outputChannelCount == 0)) - result = paSampleFormatNotSupported; /* Not right error */ + { + PaWinWDM_SetLastErrorInfo(paSampleFormatNotSupported, "No input or output channels defined"); + result = paSampleFormatNotSupported; /* Not right error */ + } PA_LOGL_; return result; } +static void ResetStreamEvents(PaWinWdmStream* stream) +{ + unsigned i; + ResetEvent(stream->eventAbort); + ResetEvent(stream->eventStreamStart[StreamStart_kOk]); + ResetEvent(stream->eventStreamStart[StreamStart_kFailed]); + + for (i=0; icapture.noOfPackets; ++i) + { + if (stream->capture.events && stream->capture.events[i]) + { + ResetEvent(stream->capture.events[i]); + } + } + + for (i=0; irender.noOfPackets; ++i) + { + if (stream->render.events && stream->render.events[i]) + { + ResetEvent(stream->render.events[i]); + } + } +} + +static void CloseStreamEvents(PaWinWdmStream* stream) +{ + unsigned i; + PaWinWdmIOInfo* ios[2] = { &stream->capture, &stream->render }; + + if (stream->eventAbort) + { + CloseHandle(stream->eventAbort); + stream->eventAbort = 0; + } + if (stream->eventStreamStart[StreamStart_kOk]) + { + CloseHandle(stream->eventStreamStart[StreamStart_kOk]); + } + if (stream->eventStreamStart[StreamStart_kFailed]) + { + CloseHandle(stream->eventStreamStart[StreamStart_kFailed]); + } + + for (i = 0; i < 2; ++i) + { + unsigned j; + /* Unregister notification handles for WaveRT */ + if (ios[i]->pPin && ios[i]->pPin->parentFilter->devInfo.streamingType == Type_kWaveRT && + ios[i]->pPin->pinKsSubType == SubType_kNotification && + ios[i]->events != 0) + { + PinUnregisterNotificationHandle(ios[i]->pPin, ios[i]->events[0]); + } + + for (j=0; j < ios[i]->noOfPackets; ++j) + { + if (ios[i]->events && ios[i]->events[j]) + { + CloseHandle(ios[i]->events[j]); + ios[i]->events[j] = 0; + } + } + } +} + +static unsigned NextPowerOf2(unsigned val) +{ + val--; + val = (val >> 1) | val; + val = (val >> 2) | val; + val = (val >> 4) | val; + val = (val >> 8) | val; + val = (val >> 16) | val; + return ++val; +} + +static PaError ValidateSpecificStreamParameters( + const PaStreamParameters *streamParameters, + const PaWinWDMKSInfo *streamInfo) +{ + if( streamInfo ) + { + if( streamInfo->size != sizeof( PaWinWDMKSInfo ) + || streamInfo->version != 1 ) + { + PA_DEBUG(("Stream parameters: size or version not correct")); + return paIncompatibleHostApiSpecificStreamInfo; + } + + if (streamInfo->noOfPackets != 0 && + (streamInfo->noOfPackets < 2 || streamInfo->noOfPackets > 8)) + { + PA_DEBUG(("Stream parameters: noOfPackets %u out of range [2,8]", streamInfo->noOfPackets)); + return paIncompatibleHostApiSpecificStreamInfo; + } + + } + + return paNoError; +} + + + /* see pa_hostapi.h for a list of validity guarantees made about OpenStream parameters */ static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi, - PaStream** s, - const PaStreamParameters *inputParameters, - const PaStreamParameters *outputParameters, - double sampleRate, - unsigned long framesPerBuffer, - PaStreamFlags streamFlags, - PaStreamCallback *streamCallback, - void *userData ) + PaStream** s, + const PaStreamParameters *inputParameters, + const PaStreamParameters *outputParameters, + double sampleRate, + unsigned long framesPerUserBuffer, + PaStreamFlags streamFlags, + PaStreamCallback *streamCallback, + void *userData ) { PaError result = paNoError; PaWinWdmHostApiRepresentation *wdmHostApi = (PaWinWdmHostApiRepresentation*)hostApi; @@ -2158,13 +4122,11 @@ static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi, PaSampleFormat inputSampleFormat, outputSampleFormat; PaSampleFormat hostInputSampleFormat, hostOutputSampleFormat; int userInputChannels,userOutputChannels; - int size; - PaWinWdmFilter* pFilter; WAVEFORMATEXTENSIBLE wfx; PA_LOGE_; PA_DEBUG(("OpenStream:sampleRate = %f\n",sampleRate)); - PA_DEBUG(("OpenStream:framesPerBuffer = %lu\n",framesPerBuffer)); + PA_DEBUG(("OpenStream:framesPerBuffer = %lu\n",framesPerUserBuffer)); if( inputParameters ) { @@ -2172,24 +4134,33 @@ static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi, inputSampleFormat = inputParameters->sampleFormat; /* unless alternate device specification is supported, reject the use of - paUseHostApiSpecificDeviceSpecification */ + paUseHostApiSpecificDeviceSpecification */ if( inputParameters->device == paUseHostApiSpecificDeviceSpecification ) + { + PaWinWDM_SetLastErrorInfo(paInvalidDevice, "paUseHostApiSpecificDeviceSpecification(in) not supported"); return paInvalidDevice; + } /* check that input device can support stream->userInputChannels */ if( userInputChannels > hostApi->deviceInfos[ inputParameters->device ]->maxInputChannels ) + { + PaWinWDM_SetLastErrorInfo(paInvalidChannelCount, "Invalid input channel count"); return paInvalidChannelCount; + } /* validate inputStreamInfo */ - if( inputParameters->hostApiSpecificStreamInfo ) - return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */ - + result = ValidateSpecificStreamParameters(inputParameters, inputParameters->hostApiSpecificStreamInfo); + if(result != paNoError) + { + PaWinWDM_SetLastErrorInfo(result, "Host API stream info not supported (in)"); + return result; /* this implementation doesn't use custom stream info */ + } } else { userInputChannels = 0; - inputSampleFormat = hostInputSampleFormat = paInt16; /* Surpress 'uninitialised var' warnings. */ + inputSampleFormat = hostInputSampleFormat = paInt16; /* Supress 'uninitialised var' warnings. */ } if( outputParameters ) @@ -2198,29 +4169,41 @@ static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi, outputSampleFormat = outputParameters->sampleFormat; /* unless alternate device specification is supported, reject the use of - paUseHostApiSpecificDeviceSpecification */ + paUseHostApiSpecificDeviceSpecification */ if( outputParameters->device == paUseHostApiSpecificDeviceSpecification ) + { + PaWinWDM_SetLastErrorInfo(paInvalidDevice, "paUseHostApiSpecificDeviceSpecification(out) not supported"); return paInvalidDevice; + } /* check that output device can support stream->userInputChannels */ if( userOutputChannels > hostApi->deviceInfos[ outputParameters->device ]->maxOutputChannels ) + { + PaWinWDM_SetLastErrorInfo(paInvalidChannelCount, "Invalid output channel count"); return paInvalidChannelCount; + } /* validate outputStreamInfo */ - if( outputParameters->hostApiSpecificStreamInfo ) - return paIncompatibleHostApiSpecificStreamInfo; /* this implementation doesn't use custom stream info */ - + result = ValidateSpecificStreamParameters( outputParameters, outputParameters->hostApiSpecificStreamInfo ); + if (result != paNoError) + { + PaWinWDM_SetLastErrorInfo(result, "Host API stream info not supported (out)"); + return result; /* this implementation doesn't use custom stream info */ + } } else { userOutputChannels = 0; - outputSampleFormat = hostOutputSampleFormat = paInt16; /* Surpress 'uninitialized var' warnings. */ + outputSampleFormat = hostOutputSampleFormat = paInt16; /* Supress 'uninitialized var' warnings. */ } /* validate platform specific flags */ if( (streamFlags & paPlatformSpecificFlags) != 0 ) + { + PaWinWDM_SetLastErrorInfo(paInvalidFlag, "Invalid flag supplied"); return paInvalidFlag; /* unexpected platform specific flag */ + } stream = (PaWinWdmStream*)PaUtil_AllocateMemory( sizeof(PaWinWdmStream) ); if( !stream ) @@ -2228,18 +4211,33 @@ static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi, result = paInsufficientMemory; goto error; } + + /* Create allocation group */ + stream->allocGroup = PaUtil_CreateAllocationGroup(); + if( !stream->allocGroup ) + { + result = paInsufficientMemory; + goto error; + } + /* Zero the stream object */ /* memset((void*)stream,0,sizeof(PaWinWdmStream)); */ if( streamCallback ) { PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation, - &wdmHostApi->callbackStreamInterface, streamCallback, userData ); + &wdmHostApi->callbackStreamInterface, streamCallback, userData ); } else { - PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation, - &wdmHostApi->blockingStreamInterface, streamCallback, userData ); + /* PaUtil_InitializeStreamRepresentation( &stream->streamRepresentation, + &wdmHostApi->blockingStreamInterface, streamCallback, userData ); */ + + /* We don't support the blocking API yet */ + PA_DEBUG(("Blocking API not supported yet!\n")); + PaWinWDM_SetLastErrorInfo(paUnanticipatedHostError, "Blocking API not supported yet"); + result = paUnanticipatedHostError; + goto error; } PaUtil_InitializeCpuLoadMeasurer( &stream->cpuLoadMeasurer, sampleRate ); @@ -2247,315 +4245,767 @@ static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi, /* Instantiate the input pin if necessary */ if(userInputChannels > 0) { + PaWinWdmFilter* pFilter; + PaWinWdmDeviceInfo* pDeviceInfo; + PaWinWdmPin* pPin; + unsigned validBitsPerSample = 0; + PaWinWaveFormatChannelMask channelMask = PaWin_DefaultChannelMask( userInputChannels ); + result = paSampleFormatNotSupported; - pFilter = wdmHostApi->filters[inputParameters->device]; - stream->userInputChannels = userInputChannels; + pDeviceInfo = (PaWinWdmDeviceInfo*)wdmHostApi->inheritedHostApiRep.deviceInfos[inputParameters->device]; + pFilter = pDeviceInfo->filter; + pPin = pFilter->pins[pDeviceInfo->pin]; - if(((inputSampleFormat & ~paNonInterleaved) & pFilter->formats) != 0) - { /* inputSampleFormat is supported, so try to use it */ - hostInputSampleFormat = inputSampleFormat; - FillWFEXT(&wfx, hostInputSampleFormat, sampleRate, stream->userInputChannels); - stream->bytesPerInputFrame = wfx.Format.nBlockAlign; - stream->recordingPin = FilterCreateCapturePin(pFilter, (const WAVEFORMATEX*)&wfx, &result); - stream->deviceInputChannels = stream->userInputChannels; - } - - if(result != paNoError) - { /* Search through all PaSampleFormats to find one that works */ - hostInputSampleFormat = paFloat32; + stream->userInputChannels = userInputChannels; - do { - FillWFEXT(&wfx, hostInputSampleFormat, sampleRate, stream->userInputChannels); - stream->bytesPerInputFrame = wfx.Format.nBlockAlign; - stream->recordingPin = FilterCreateCapturePin(pFilter, (const WAVEFORMATEX*)&wfx, &result); - stream->deviceInputChannels = stream->userInputChannels; - - if(stream->recordingPin == NULL) result = paSampleFormatNotSupported; - if(result != paNoError) hostInputSampleFormat <<= 1; - } - while(result != paNoError && hostInputSampleFormat <= paUInt8); + hostInputSampleFormat = PaUtil_SelectClosestAvailableFormat( pPin->formats, inputSampleFormat ); + if (hostInputSampleFormat == paSampleFormatNotSupported) + { + result = paUnanticipatedHostError; + PaWinWDM_SetLastErrorInfo(result, "PU_SCAF(%X,%X) failed (input)", pPin->formats, inputSampleFormat); + goto error; } - - if(result != paNoError) - { /* None of the PaSampleFormats worked. Set the hostInputSampleFormat to the best fit - * and try a PCM format. - **/ - hostInputSampleFormat = - PaUtil_SelectClosestAvailableFormat( pFilter->formats, inputSampleFormat ); - - /* Try a WAVE_FORMAT_PCM instead */ - wfx.Format.wFormatTag = WAVE_FORMAT_PCM; - wfx.Format.cbSize = 0; - wfx.Samples.wValidBitsPerSample = 0; - wfx.dwChannelMask = 0; - wfx.SubFormat = GUID_NULL; - stream->recordingPin = FilterCreateCapturePin(pFilter,(const WAVEFORMATEX*)&wfx,&result); - if(stream->recordingPin == NULL) result = paSampleFormatNotSupported; + else if (pFilter->devInfo.streamingType == Type_kWaveRT && hostInputSampleFormat == paInt24) + { + /* For WaveRT, we choose 32 bit format instead of paInt24, since we MIGHT need to align buffer on a + 128 byte boundary (see PinGetBuffer) */ + hostInputSampleFormat = paInt32; + /* But we'll tell the driver that it's 24 bit in 32 bit container */ + validBitsPerSample = 24; } - if( result != paNoError ) + while (hostInputSampleFormat <= paUInt8) { + unsigned channelsToProbe = stream->userInputChannels; /* Some or all KS devices can only handle the exact number of channels - * they specify. But PortAudio clients expect to be able to - * at least specify mono I/O on a multi-channel device - * If this is the case, then we will do the channel mapping internally - **/ - if( stream->userInputChannels < pFilter->maxInputChannels ) - { - FillWFEXT(&wfx,hostInputSampleFormat,sampleRate,pFilter->maxInputChannels); - stream->bytesPerInputFrame = wfx.Format.nBlockAlign; - stream->recordingPin = FilterCreateCapturePin(pFilter,(const WAVEFORMATEX*)&wfx,&result); - stream->deviceInputChannels = pFilter->maxInputChannels; - - if( result != paNoError ) + * they specify. But PortAudio clients expect to be able to + * at least specify mono I/O on a multi-channel device + * If this is the case, then we will do the channel mapping internally + * The following loop tests this case + **/ + while (1) + { + PaWin_InitializeWaveFormatExtensible((PaWinWaveFormat*)&wfx, + channelsToProbe, + hostInputSampleFormat, + PaWin_SampleFormatToLinearWaveFormatTag(hostInputSampleFormat), + sampleRate, + channelMask ); + stream->capture.bytesPerFrame = wfx.Format.nBlockAlign; + if (validBitsPerSample != 0) + { + wfx.Samples.wValidBitsPerSample = validBitsPerSample; + } + stream->capture.pPin = FilterCreatePin(pFilter, pPin->pinId, (WAVEFORMATEX*)&wfx, &result); + stream->deviceInputChannels = channelsToProbe; + + if( result != paNoError && result != paDeviceUnavailable ) { /* Try a WAVE_FORMAT_PCM instead */ - wfx.Format.wFormatTag = WAVE_FORMAT_PCM; - wfx.Format.cbSize = 0; - wfx.Samples.wValidBitsPerSample = 0; - wfx.dwChannelMask = 0; - wfx.SubFormat = GUID_NULL; - stream->recordingPin = FilterCreateCapturePin(pFilter,(const WAVEFORMATEX*)&wfx,&result); + PaWin_InitializeWaveFormatEx((PaWinWaveFormat*)&wfx, + channelsToProbe, + hostInputSampleFormat, + PaWin_SampleFormatToLinearWaveFormatTag(hostInputSampleFormat), + sampleRate); + if (validBitsPerSample != 0) + { + wfx.Samples.wValidBitsPerSample = validBitsPerSample; + } + stream->capture.pPin = FilterCreatePin(pFilter, pPin->pinId, (const WAVEFORMATEX*)&wfx, &result); + } + + if (result == paDeviceUnavailable) goto occupied; + + if (result == paNoError) + { + /* We're done */ + break; + } + + if (channelsToProbe < (unsigned)pPin->maxChannels) + { + /* Go to next multiple of 2 */ + channelsToProbe = min((((channelsToProbe>>1)+1)<<1), (unsigned)pPin->maxChannels); + continue; } + + break; + } + + if (result == paNoError) + { + /* We're done */ + break; } + + /* Go to next format in line with lower resolution */ + hostInputSampleFormat <<= 1; } - if(stream->recordingPin == NULL) + if(stream->capture.pPin == NULL) { + PaWinWDM_SetLastErrorInfo(result, "Failed to create capture pin: sr=%u,ch=%u,bits=%u,align=%u", + wfx.Format.nSamplesPerSec, wfx.Format.nChannels, wfx.Format.wBitsPerSample, wfx.Format.nBlockAlign); goto error; } - switch(hostInputSampleFormat) + /* Select correct mux input on MUX node of topology filter */ + if (pDeviceInfo->muxPosition >= 0) { - case paInt16: stream->inputSampleSize = 2; break; - case paInt24: stream->inputSampleSize = 3; break; - case paInt32: - case paFloat32: stream->inputSampleSize = 4; break; + assert(pPin->parentFilter->topologyFilter != NULL); + + result = FilterUse(pPin->parentFilter->topologyFilter); + if (result != paNoError) + { + PaWinWDM_SetLastErrorInfo(result, "Failed to open topology filter"); + goto error; + } + + result = WdmSetMuxNodeProperty(pPin->parentFilter->topologyFilter->handle, + pPin->inputs[pDeviceInfo->muxPosition]->muxNodeId, + pPin->inputs[pDeviceInfo->muxPosition]->muxPinId); + + FilterRelease(pPin->parentFilter->topologyFilter); + + if(result != paNoError) + { + PaWinWDM_SetLastErrorInfo(result, "Failed to set topology mux node"); + goto error; + } } - stream->recordingPin->frameSize /= stream->bytesPerInputFrame; - PA_DEBUG(("Pin output frames: %d\n",stream->recordingPin->frameSize)); + stream->capture.bytesPerSample = stream->capture.bytesPerFrame / stream->deviceInputChannels; + stream->capture.pPin->frameSize /= stream->capture.bytesPerFrame; + PA_DEBUG(("Capture pin frames: %d\n",stream->capture.pPin->frameSize)); } else { - stream->recordingPin = NULL; - stream->bytesPerInputFrame = 0; + stream->capture.pPin = NULL; + stream->capture.bytesPerFrame = 0; } /* Instantiate the output pin if necessary */ if(userOutputChannels > 0) { + PaWinWdmFilter* pFilter; + PaWinWdmDeviceInfo* pDeviceInfo; + PaWinWdmPin* pPin; + unsigned validBitsPerSample = 0; + PaWinWaveFormatChannelMask channelMask = PaWin_DefaultChannelMask( userOutputChannels ); + result = paSampleFormatNotSupported; - pFilter = wdmHostApi->filters[outputParameters->device]; + pDeviceInfo = (PaWinWdmDeviceInfo*)wdmHostApi->inheritedHostApiRep.deviceInfos[outputParameters->device]; + pFilter = pDeviceInfo->filter; + pPin = pFilter->pins[pDeviceInfo->pin]; + stream->userOutputChannels = userOutputChannels; - if(((outputSampleFormat & ~paNonInterleaved) & pFilter->formats) != 0) + hostOutputSampleFormat = PaUtil_SelectClosestAvailableFormat( pPin->formats, outputSampleFormat ); + if (hostOutputSampleFormat == paSampleFormatNotSupported) { - hostOutputSampleFormat = outputSampleFormat; - FillWFEXT(&wfx,hostOutputSampleFormat,sampleRate,stream->userOutputChannels); - stream->bytesPerOutputFrame = wfx.Format.nBlockAlign; - stream->playbackPin = FilterCreateRenderPin(pFilter,(WAVEFORMATEX*)&wfx,&result); - stream->deviceOutputChannels = stream->userOutputChannels; + result = paUnanticipatedHostError; + PaWinWDM_SetLastErrorInfo(result, "PU_SCAF(%X,%X) failed (output)", pPin->formats, hostOutputSampleFormat); + goto error; } - - if(result != paNoError) + else if (pFilter->devInfo.streamingType == Type_kWaveRT && hostOutputSampleFormat == paInt24) { - hostOutputSampleFormat = paFloat32; - - do { - FillWFEXT(&wfx,hostOutputSampleFormat,sampleRate,stream->userOutputChannels); - stream->bytesPerOutputFrame = wfx.Format.nBlockAlign; - stream->playbackPin = FilterCreateRenderPin(pFilter,(WAVEFORMATEX*)&wfx,&result); - stream->deviceOutputChannels = stream->userOutputChannels; - - if(stream->playbackPin == NULL) result = paSampleFormatNotSupported; - if(result != paNoError) hostOutputSampleFormat <<= 1; - } - while(result != paNoError && hostOutputSampleFormat <= paUInt8); + /* For WaveRT, we choose 32 bit format instead of paInt24, since we MIGHT need to align buffer on a + 128 byte boundary (see PinGetBuffer) */ + hostOutputSampleFormat = paInt32; + /* But we'll tell the driver that it's 24 bit in 32 bit container */ + validBitsPerSample = 24; } - if(result != paNoError) - { - hostOutputSampleFormat = - PaUtil_SelectClosestAvailableFormat( pFilter->formats, outputSampleFormat ); - - /* Try a WAVE_FORMAT_PCM instead */ - wfx.Format.wFormatTag = WAVE_FORMAT_PCM; - wfx.Format.cbSize = 0; - wfx.Samples.wValidBitsPerSample = 0; - wfx.dwChannelMask = 0; - wfx.SubFormat = GUID_NULL; - stream->playbackPin = FilterCreateRenderPin(pFilter,(WAVEFORMATEX*)&wfx,&result); - if(stream->playbackPin == NULL) result = paSampleFormatNotSupported; - } - - if( result != paNoError ) + while (hostOutputSampleFormat <= paUInt8) { + unsigned channelsToProbe = stream->userOutputChannels; /* Some or all KS devices can only handle the exact number of channels - * they specify. But PortAudio clients expect to be able to - * at least specify mono I/O on a multi-channel device - * If this is the case, then we will do the channel mapping internally - **/ - if( stream->userOutputChannels < pFilter->maxOutputChannels ) - { - FillWFEXT(&wfx,hostOutputSampleFormat,sampleRate,pFilter->maxOutputChannels); - stream->bytesPerOutputFrame = wfx.Format.nBlockAlign; - stream->playbackPin = FilterCreateRenderPin(pFilter,(const WAVEFORMATEX*)&wfx,&result); - stream->deviceOutputChannels = pFilter->maxOutputChannels; - if( result != paNoError ) + * they specify. But PortAudio clients expect to be able to + * at least specify mono I/O on a multi-channel device + * If this is the case, then we will do the channel mapping internally + * The following loop tests this case + **/ + while (1) + { + PaWin_InitializeWaveFormatExtensible((PaWinWaveFormat*)&wfx, + channelsToProbe, + hostOutputSampleFormat, + PaWin_SampleFormatToLinearWaveFormatTag(hostOutputSampleFormat), + sampleRate, + channelMask ); + stream->render.bytesPerFrame = wfx.Format.nBlockAlign; + if (validBitsPerSample != 0) { - /* Try a WAVE_FORMAT_PCM instead */ - wfx.Format.wFormatTag = WAVE_FORMAT_PCM; - wfx.Format.cbSize = 0; - wfx.Samples.wValidBitsPerSample = 0; - wfx.dwChannelMask = 0; - wfx.SubFormat = GUID_NULL; - stream->playbackPin = FilterCreateRenderPin(pFilter,(const WAVEFORMATEX*)&wfx,&result); + wfx.Samples.wValidBitsPerSample = validBitsPerSample; + } + stream->render.pPin = FilterCreatePin(pFilter, pPin->pinId, (WAVEFORMATEX*)&wfx, &result); + stream->deviceOutputChannels = channelsToProbe; + + if( result != paNoError && result != paDeviceUnavailable ) + { + PaWin_InitializeWaveFormatEx((PaWinWaveFormat*)&wfx, + channelsToProbe, + hostOutputSampleFormat, + PaWin_SampleFormatToLinearWaveFormatTag(hostOutputSampleFormat), + sampleRate); + if (validBitsPerSample != 0) + { + wfx.Samples.wValidBitsPerSample = validBitsPerSample; + } + stream->render.pPin = FilterCreatePin(pFilter, pPin->pinId, (const WAVEFORMATEX*)&wfx, &result); + } + + if (result == paDeviceUnavailable) goto occupied; + + if (result == paNoError) + { + /* We're done */ + break; } + + if (channelsToProbe < (unsigned)pPin->maxChannels) + { + /* Go to next multiple of 2 */ + channelsToProbe = min((((channelsToProbe>>1)+1)<<1), (unsigned)pPin->maxChannels); + continue; + } + + break; + }; + + if (result == paNoError) + { + /* We're done */ + break; } - } - if(stream->playbackPin == NULL) - { - goto error; + /* Go to next format in line with lower resolution */ + hostOutputSampleFormat <<= 1; } - switch(hostOutputSampleFormat) + if(stream->render.pPin == NULL) { - case paInt16: stream->outputSampleSize = 2; break; - case paInt24: stream->outputSampleSize = 3; break; - case paInt32: - case paFloat32: stream->outputSampleSize = 4; break; + PaWinWDM_SetLastErrorInfo(result, "Failed to create render pin: sr=%u,ch=%u,bits=%u,align=%u", + wfx.Format.nSamplesPerSec, wfx.Format.nChannels, wfx.Format.wBitsPerSample, wfx.Format.nBlockAlign); + goto error; } - stream->playbackPin->frameSize /= stream->bytesPerOutputFrame; - PA_DEBUG(("Pin output frames: %d\n",stream->playbackPin->frameSize)); + stream->render.bytesPerSample = stream->render.bytesPerFrame / stream->deviceOutputChannels; + stream->render.pPin->frameSize /= stream->render.bytesPerFrame; + PA_DEBUG(("Render pin frames: %d\n",stream->render.pPin->frameSize)); } else { - stream->playbackPin = NULL; - stream->bytesPerOutputFrame = 0; + stream->render.pPin = NULL; + stream->render.bytesPerFrame = 0; } /* Calculate the framesPerHostXxxxBuffer size based upon the suggested latency values */ - /* Record the buffer length */ if(inputParameters) { /* Calculate the frames from the user's value - add a bit to round up */ - stream->framesPerHostIBuffer = (unsigned long)((inputParameters->suggestedLatency*sampleRate)+0.0001); - if(stream->framesPerHostIBuffer > (unsigned long)sampleRate) + stream->capture.framesPerBuffer = (unsigned long)((inputParameters->suggestedLatency*sampleRate)+0.0001); + if(stream->capture.framesPerBuffer > (unsigned long)sampleRate) { /* Upper limit is 1 second */ - stream->framesPerHostIBuffer = (unsigned long)sampleRate; + stream->capture.framesPerBuffer = (unsigned long)sampleRate; + } + else if(stream->capture.framesPerBuffer < stream->capture.pPin->frameSize) + { + stream->capture.framesPerBuffer = stream->capture.pPin->frameSize; } - else if(stream->framesPerHostIBuffer < stream->recordingPin->frameSize) + PA_DEBUG(("Input frames chosen:%ld\n",stream->capture.framesPerBuffer)); + + /* Setup number of packets to use */ + stream->capture.noOfPackets = 2; + + if (inputParameters->hostApiSpecificStreamInfo) { - stream->framesPerHostIBuffer = stream->recordingPin->frameSize; + PaWinWDMKSInfo* pInfo = (PaWinWDMKSInfo*)inputParameters->hostApiSpecificStreamInfo; + + if (stream->capture.pPin->parentFilter->devInfo.streamingType == Type_kWaveCyclic && + pInfo->noOfPackets != 0) + { + stream->capture.noOfPackets = pInfo->noOfPackets; + } } - PA_DEBUG(("Input frames chosen:%ld\n",stream->framesPerHostIBuffer)); } if(outputParameters) { /* Calculate the frames from the user's value - add a bit to round up */ - stream->framesPerHostOBuffer = (unsigned long)((outputParameters->suggestedLatency*sampleRate)+0.0001); - if(stream->framesPerHostOBuffer > (unsigned long)sampleRate) + stream->render.framesPerBuffer = (unsigned long)((outputParameters->suggestedLatency*sampleRate)+0.0001); + if(stream->render.framesPerBuffer > (unsigned long)sampleRate) { /* Upper limit is 1 second */ - stream->framesPerHostOBuffer = (unsigned long)sampleRate; + stream->render.framesPerBuffer = (unsigned long)sampleRate; } - else if(stream->framesPerHostOBuffer < stream->playbackPin->frameSize) + else if(stream->render.framesPerBuffer < stream->render.pPin->frameSize) { - stream->framesPerHostOBuffer = stream->playbackPin->frameSize; + stream->render.framesPerBuffer = stream->render.pPin->frameSize; } - PA_DEBUG(("Output frames chosen:%ld\n",stream->framesPerHostOBuffer)); - } + PA_DEBUG(("Output frames chosen:%ld\n",stream->render.framesPerBuffer)); + + /* Setup number of packets to use */ + stream->render.noOfPackets = 2; - /* Host buffer size is bounded to the largest of the input and output - frame sizes */ + if (outputParameters->hostApiSpecificStreamInfo) + { + PaWinWDMKSInfo* pInfo = (PaWinWDMKSInfo*)outputParameters->hostApiSpecificStreamInfo; + + if (stream->render.pPin->parentFilter->devInfo.streamingType == Type_kWaveCyclic && + pInfo->noOfPackets != 0) + { + stream->render.noOfPackets = pInfo->noOfPackets; + } + } + } + /* Host buffer size is bound to the largest of the input and output frame sizes */ result = PaUtil_InitializeBufferProcessor( &stream->bufferProcessor, - stream->userInputChannels, inputSampleFormat, hostInputSampleFormat, - stream->userOutputChannels, outputSampleFormat, hostOutputSampleFormat, - sampleRate, streamFlags, framesPerBuffer, - max(stream->framesPerHostOBuffer,stream->framesPerHostIBuffer), - paUtilBoundedHostBufferSize, - streamCallback, userData ); + stream->userInputChannels, inputSampleFormat, hostInputSampleFormat, + stream->userOutputChannels, outputSampleFormat, hostOutputSampleFormat, + sampleRate, streamFlags, framesPerUserBuffer, + max(stream->capture.framesPerBuffer, stream->render.framesPerBuffer), + paUtilBoundedHostBufferSize, + streamCallback, userData ); if( result != paNoError ) + { + PaWinWDM_SetLastErrorInfo(result, "PaUtil_InitializeBufferProcessor failed: ich=%u, isf=%u, hisf=%u, och=%u, osf=%u, hosf=%u, sr=%lf, flags=0x%X, fpub=%u, fphb=%u", + stream->userInputChannels, inputSampleFormat, hostInputSampleFormat, + stream->userOutputChannels, outputSampleFormat, hostOutputSampleFormat, + sampleRate, streamFlags, framesPerUserBuffer, + max(stream->capture.framesPerBuffer, stream->render.framesPerBuffer)); goto error; + } + + /* Allocate/get all the buffers for host I/O */ + if (stream->userInputChannels > 0) + { + stream->streamRepresentation.streamInfo.inputLatency = stream->capture.framesPerBuffer / sampleRate; + + switch (stream->capture.pPin->parentFilter->devInfo.streamingType) + { + case Type_kWaveCyclic: + { + unsigned size = stream->capture.noOfPackets * stream->capture.framesPerBuffer * stream->capture.bytesPerFrame; + /* Allocate input host buffer */ + stream->capture.hostBuffer = (char*)PaUtil_GroupAllocateMemory(stream->allocGroup, size); + PA_DEBUG(("Input buffer allocated (size = %u)\n", size)); + if( !stream->capture.hostBuffer ) + { + PA_DEBUG(("Cannot allocate host input buffer!\n")); + PaWinWDM_SetLastErrorInfo(paInsufficientMemory, "Failed to allocate input buffer"); + result = paInsufficientMemory; + goto error; + } + stream->capture.hostBufferSize = size; + PA_DEBUG(("Input buffer start = %p (size=%u)\n",stream->capture.hostBuffer, stream->capture.hostBufferSize)); + stream->capture.pPin->fnEventHandler = PaPinCaptureEventHandler_WaveCyclic; + stream->capture.pPin->fnSubmitHandler = PaPinCaptureSubmitHandler_WaveCyclic; + } + break; + case Type_kWaveRT: + { + const DWORD dwTotalSize = 2 * stream->capture.framesPerBuffer * stream->capture.bytesPerFrame; + DWORD dwRequestedSize = dwTotalSize; + BOOL bCallMemoryBarrier = FALSE; + ULONG hwFifoLatency = 0; + ULONG dummy; + result = PinGetBuffer(stream->capture.pPin, (void**)&stream->capture.hostBuffer, &dwRequestedSize, &bCallMemoryBarrier); + if (!result) + { + PA_DEBUG(("Input buffer start = %p, size = %u\n", stream->capture.hostBuffer, dwRequestedSize)); + if (dwRequestedSize != dwTotalSize) + { + PA_DEBUG(("Buffer length changed by driver from %u to %u !\n", dwTotalSize, dwRequestedSize)); + /* Recalculate to what the driver has given us */ + stream->capture.framesPerBuffer = dwRequestedSize / (2 * stream->capture.bytesPerFrame); + } + stream->capture.hostBufferSize = dwRequestedSize; + + if (stream->capture.pPin->pinKsSubType == SubType_kPolled) + { + stream->capture.pPin->fnEventHandler = PaPinCaptureEventHandler_WaveRTPolled; + stream->capture.pPin->fnSubmitHandler = PaPinCaptureSubmitHandler_WaveRTPolled; + } + else + { + stream->capture.pPin->fnEventHandler = PaPinCaptureEventHandler_WaveRTEvent; + stream->capture.pPin->fnSubmitHandler = PaPinCaptureSubmitHandler_WaveRTEvent; + } + + stream->capture.pPin->fnMemBarrier = bCallMemoryBarrier ? MemoryBarrierRead : MemoryBarrierDummy; + } + else + { + PA_DEBUG(("Failed to get input buffer (WaveRT)\n")); + PaWinWDM_SetLastErrorInfo(paUnanticipatedHostError, "Failed to get input buffer (WaveRT)"); + result = paUnanticipatedHostError; + goto error; + } + + /* Get latency */ + result = PinGetHwLatency(stream->capture.pPin, &hwFifoLatency, &dummy, &dummy); + if (result == paNoError) + { + stream->capture.pPin->hwLatency = hwFifoLatency; + + /* Add HW latency into total input latency */ + stream->streamRepresentation.streamInfo.inputLatency += ((hwFifoLatency / stream->capture.bytesPerFrame) / sampleRate); + } + else + { + PA_DEBUG(("Failed to get size of FIFO hardware buffer (is set to zero)\n")); + stream->capture.pPin->hwLatency = 0; + } + } + break; + default: + /* Undefined wave type!! */ + assert(0); + result = paInternalError; + PaWinWDM_SetLastErrorInfo(result, "Wave type %u ??", stream->capture.pPin->parentFilter->devInfo.streamingType); + goto error; + } + } + else + { + stream->capture.hostBuffer = 0; + } + + if (stream->userOutputChannels > 0) + { + stream->streamRepresentation.streamInfo.outputLatency = stream->render.framesPerBuffer / sampleRate; + + switch (stream->render.pPin->parentFilter->devInfo.streamingType) + { + case Type_kWaveCyclic: + { + unsigned size = stream->render.noOfPackets * stream->render.framesPerBuffer * stream->render.bytesPerFrame; + /* Allocate output device buffer */ + stream->render.hostBuffer = (char*)PaUtil_GroupAllocateMemory(stream->allocGroup, size); + PA_DEBUG(("Output buffer allocated (size = %u)\n", size)); + if( !stream->render.hostBuffer ) + { + PA_DEBUG(("Cannot allocate host output buffer!\n")); + PaWinWDM_SetLastErrorInfo(paInsufficientMemory, "Failed to allocate output buffer"); + result = paInsufficientMemory; + goto error; + } + stream->render.hostBufferSize = size; + PA_DEBUG(("Output buffer start = %p (size=%u)\n",stream->render.hostBuffer, stream->render.hostBufferSize)); + + stream->render.pPin->fnEventHandler = PaPinRenderEventHandler_WaveCyclic; + stream->render.pPin->fnSubmitHandler = PaPinRenderSubmitHandler_WaveCyclic; + } + break; + case Type_kWaveRT: + { + const DWORD dwTotalSize = 2 * stream->render.framesPerBuffer * stream->render.bytesPerFrame; + DWORD dwRequestedSize = dwTotalSize; + BOOL bCallMemoryBarrier = FALSE; + ULONG hwFifoLatency = 0; + ULONG dummy; + result = PinGetBuffer(stream->render.pPin, (void**)&stream->render.hostBuffer, &dwRequestedSize, &bCallMemoryBarrier); + if (!result) + { + PA_DEBUG(("Output buffer start = %p, size = %u, membarrier = %u\n", stream->render.hostBuffer, dwRequestedSize, bCallMemoryBarrier)); + if (dwRequestedSize != dwTotalSize) + { + PA_DEBUG(("Buffer length changed by driver from %u to %u !\n", dwTotalSize, dwRequestedSize)); + /* Recalculate to what the driver has given us */ + stream->render.framesPerBuffer = dwRequestedSize / (2 * stream->render.bytesPerFrame); + } + stream->render.hostBufferSize = dwRequestedSize; + + if (stream->render.pPin->pinKsSubType == SubType_kPolled) + { + stream->render.pPin->fnEventHandler = PaPinRenderEventHandler_WaveRTPolled; + stream->render.pPin->fnSubmitHandler = PaPinRenderSubmitHandler_WaveRTPolled; + } + else + { + stream->render.pPin->fnEventHandler = PaPinRenderEventHandler_WaveRTEvent; + stream->render.pPin->fnSubmitHandler = PaPinRenderSubmitHandler_WaveRTEvent; + } + + stream->render.pPin->fnMemBarrier = bCallMemoryBarrier ? MemoryBarrierWrite : MemoryBarrierDummy; + } + else + { + PA_DEBUG(("Failed to get output buffer (with notification)\n")); + PaWinWDM_SetLastErrorInfo(paUnanticipatedHostError, "Failed to get output buffer (with notification)"); + result = paUnanticipatedHostError; + goto error; + } + + /* Get latency */ + result = PinGetHwLatency(stream->render.pPin, &hwFifoLatency, &dummy, &dummy); + if (result == paNoError) + { + stream->render.pPin->hwLatency = hwFifoLatency; + + /* Add HW latency into total output latency */ + stream->streamRepresentation.streamInfo.outputLatency += ((hwFifoLatency / stream->render.bytesPerFrame) / sampleRate); + } + else + { + PA_DEBUG(("Failed to get size of FIFO hardware buffer (is set to zero)\n")); + stream->render.pPin->hwLatency = 0; + } + } + break; + default: + /* Undefined wave type!! */ + assert(0); + result = paInternalError; + PaWinWDM_SetLastErrorInfo(result, "Wave type %u ??", stream->capture.pPin->parentFilter->devInfo.streamingType); + goto error; + } + } + else + { + stream->render.hostBuffer = 0; + } - stream->streamRepresentation.streamInfo.inputLatency = - ((double)stream->framesPerHostIBuffer) / sampleRate; - stream->streamRepresentation.streamInfo.outputLatency = - ((double)stream->framesPerHostOBuffer) / sampleRate; stream->streamRepresentation.streamInfo.sampleRate = sampleRate; - PA_DEBUG(("BytesPerInputFrame = %d\n",stream->bytesPerInputFrame)); - PA_DEBUG(("BytesPerOutputFrame = %d\n",stream->bytesPerOutputFrame)); + PA_DEBUG(("BytesPerInputFrame = %d\n",stream->capture.bytesPerFrame)); + PA_DEBUG(("BytesPerOutputFrame = %d\n",stream->render.bytesPerFrame)); + + /* memset(stream->hostBuffer,0,size); */ - /* Allocate all the buffers for host I/O */ - size = 2 * (stream->framesPerHostIBuffer*stream->bytesPerInputFrame + stream->framesPerHostOBuffer*stream->bytesPerOutputFrame); - PA_DEBUG(("Buffer size = %d\n",size)); - stream->hostBuffer = (char*)PaUtil_AllocateMemory(size); - PA_DEBUG(("Buffer allocated\n")); - if( !stream->hostBuffer ) + /* Abort */ + stream->eventAbort = CreateEvent(NULL, TRUE, FALSE, NULL); + if (stream->eventAbort == 0) + { + result = paInsufficientMemory; + goto error; + } + stream->eventStreamStart[0] = CreateEvent(NULL, TRUE, FALSE, NULL); + if (stream->eventStreamStart[0] == 0) + { + result = paInsufficientMemory; + goto error; + } + stream->eventStreamStart[1] = CreateEvent(NULL, TRUE, FALSE, NULL); + if (stream->eventStreamStart[1] == 0) { - PA_DEBUG(("Cannot allocate host buffer!\n")); result = paInsufficientMemory; goto error; } - PA_DEBUG(("Buffer start = %p\n",stream->hostBuffer)); - /* memset(stream->hostBuffer,0,size); */ - /* Set up the packets */ - stream->events[0] = CreateEvent(NULL, FALSE, FALSE, NULL); - ResetEvent(stream->events[0]); /* Record buffer 1 */ - stream->events[1] = CreateEvent(NULL, FALSE, FALSE, NULL); - ResetEvent(stream->events[1]); /* Record buffer 2 */ - stream->events[2] = CreateEvent(NULL, FALSE, FALSE, NULL); - ResetEvent(stream->events[2]); /* Play buffer 1 */ - stream->events[3] = CreateEvent(NULL, FALSE, FALSE, NULL); - ResetEvent(stream->events[3]); /* Play buffer 2 */ - stream->events[4] = CreateEvent(NULL, FALSE, FALSE, NULL); - ResetEvent(stream->events[4]); /* Abort event */ if(stream->userInputChannels > 0) { - DATAPACKET *p = &(stream->packets[0]); - p->Signal.hEvent = stream->events[0]; - p->Header.Data = stream->hostBuffer; - p->Header.FrameExtent = stream->framesPerHostIBuffer*stream->bytesPerInputFrame; - p->Header.DataUsed = 0; - p->Header.Size = sizeof(p->Header); - p->Header.PresentationTime.Numerator = 1; - p->Header.PresentationTime.Denominator = 1; - - p = &(stream->packets[1]); - p->Signal.hEvent = stream->events[1]; - p->Header.Data = stream->hostBuffer + stream->framesPerHostIBuffer*stream->bytesPerInputFrame; - p->Header.FrameExtent = stream->framesPerHostIBuffer*stream->bytesPerInputFrame; - p->Header.DataUsed = 0; - p->Header.Size = sizeof(p->Header); - p->Header.PresentationTime.Numerator = 1; - p->Header.PresentationTime.Denominator = 1; + const unsigned bufferSizeInBytes = stream->capture.framesPerBuffer * stream->capture.bytesPerFrame; + const unsigned ringBufferFrameSize = NextPowerOf2( 1024 + 2 * max(stream->capture.framesPerBuffer, stream->render.framesPerBuffer) ); + + stream->capture.events = (HANDLE*)PaUtil_GroupAllocateMemory(stream->allocGroup, stream->capture.noOfPackets * sizeof(HANDLE)); + if (stream->capture.events == NULL) + { + result = paInsufficientMemory; + goto error; + } + + stream->capture.packets = (DATAPACKET*)PaUtil_GroupAllocateMemory(stream->allocGroup, stream->capture.noOfPackets * sizeof(DATAPACKET)); + if (stream->capture.packets == NULL) + { + result = paInsufficientMemory; + goto error; + } + + switch(stream->capture.pPin->parentFilter->devInfo.streamingType) + { + case Type_kWaveCyclic: + { + /* WaveCyclic case */ + unsigned i; + for (i = 0; i < stream->capture.noOfPackets; ++i) + { + /* Set up the packets */ + DATAPACKET *p = stream->capture.packets + i; + + /* Record event */ + stream->capture.events[i] = CreateEvent(NULL, TRUE, FALSE, NULL); + + p->Signal.hEvent = stream->capture.events[i]; + p->Header.Data = stream->capture.hostBuffer + (i*bufferSizeInBytes); + p->Header.FrameExtent = bufferSizeInBytes; + p->Header.DataUsed = 0; + p->Header.Size = sizeof(p->Header); + p->Header.PresentationTime.Numerator = 1; + p->Header.PresentationTime.Denominator = 1; + } + } + break; + case Type_kWaveRT: + { + /* Set up the "packets" */ + DATAPACKET *p = stream->capture.packets + 0; + + /* Record event: WaveRT has a single event for 2 notification per buffer */ + stream->capture.events[0] = CreateEvent(NULL, FALSE, FALSE, NULL); + + p->Header.Data = stream->capture.hostBuffer; + p->Header.FrameExtent = bufferSizeInBytes; + p->Header.DataUsed = 0; + p->Header.Size = sizeof(p->Header); + p->Header.PresentationTime.Numerator = 1; + p->Header.PresentationTime.Denominator = 1; + + ++p; + p->Header.Data = stream->capture.hostBuffer + bufferSizeInBytes; + p->Header.FrameExtent = bufferSizeInBytes; + p->Header.DataUsed = 0; + p->Header.Size = sizeof(p->Header); + p->Header.PresentationTime.Numerator = 1; + p->Header.PresentationTime.Denominator = 1; + + if (stream->capture.pPin->pinKsSubType == SubType_kNotification) + { + result = PinRegisterNotificationHandle(stream->capture.pPin, stream->capture.events[0]); + + if (result != paNoError) + { + PA_DEBUG(("Failed to register capture notification handle\n")); + PaWinWDM_SetLastErrorInfo(paUnanticipatedHostError, "Failed to register capture notification handle"); + result = paUnanticipatedHostError; + goto error; + } + } + + result = PinRegisterPositionRegister(stream->capture.pPin); + + if (result != paNoError) + { + PA_DEBUG(("Failed to register capture position register, using PinGetAudioPositionViaIOCTL\n")); + stream->capture.pPin->fnAudioPosition = PinGetAudioPositionViaIOCTL; + } + else + { + stream->capture.pPin->fnAudioPosition = PinGetAudioPositionDirect; + } + } + break; + default: + /* Undefined wave type!! */ + assert(0); + result = paInternalError; + PaWinWDM_SetLastErrorInfo(result, "Wave type %u ??", stream->capture.pPin->parentFilter->devInfo.streamingType); + goto error; + } + + /* Setup the input ring buffer here */ + stream->ringBufferData = (char*)PaUtil_GroupAllocateMemory(stream->allocGroup, ringBufferFrameSize * stream->capture.bytesPerFrame); + if (stream->ringBufferData == NULL) + { + result = paInsufficientMemory; + goto error; + } + PaUtil_InitializeRingBuffer(&stream->ringBuffer, stream->capture.bytesPerFrame, ringBufferFrameSize, stream->ringBufferData); } if(stream->userOutputChannels > 0) { - DATAPACKET *p = &(stream->packets[2]); - p->Signal.hEvent = stream->events[2]; - p->Header.Data = stream->hostBuffer + 2*stream->framesPerHostIBuffer*stream->bytesPerInputFrame; - p->Header.FrameExtent = stream->framesPerHostOBuffer*stream->bytesPerOutputFrame; - p->Header.DataUsed = stream->framesPerHostOBuffer*stream->bytesPerOutputFrame; - p->Header.Size = sizeof(p->Header); - p->Header.PresentationTime.Numerator = 1; - p->Header.PresentationTime.Denominator = 1; - - p = &(stream->packets[3]); - p->Signal.hEvent = stream->events[3]; - p->Header.Data = stream->hostBuffer + 2*stream->framesPerHostIBuffer*stream->bytesPerInputFrame + stream->framesPerHostOBuffer*stream->bytesPerOutputFrame; - p->Header.FrameExtent = stream->framesPerHostOBuffer*stream->bytesPerOutputFrame; - p->Header.DataUsed = stream->framesPerHostOBuffer*stream->bytesPerOutputFrame; - p->Header.Size = sizeof(p->Header); - p->Header.PresentationTime.Numerator = 1; - p->Header.PresentationTime.Denominator = 1; + const unsigned bufferSizeInBytes = stream->render.framesPerBuffer * stream->render.bytesPerFrame; + + stream->render.events = (HANDLE*)PaUtil_GroupAllocateMemory(stream->allocGroup, stream->render.noOfPackets * sizeof(HANDLE)); + if (stream->render.events == NULL) + { + result = paInsufficientMemory; + goto error; + } + + stream->render.packets = (DATAPACKET*)PaUtil_GroupAllocateMemory(stream->allocGroup, stream->render.noOfPackets * sizeof(DATAPACKET)); + if (stream->render.packets == NULL) + { + result = paInsufficientMemory; + goto error; + } + + switch(stream->render.pPin->parentFilter->devInfo.streamingType) + { + case Type_kWaveCyclic: + { + /* WaveCyclic case */ + unsigned i; + for (i = 0; i < stream->render.noOfPackets; ++i) + { + /* Set up the packets */ + DATAPACKET *p = stream->render.packets + i; + + /* Playback event */ + stream->render.events[i] = CreateEvent(NULL, TRUE, FALSE, NULL); + + /* In this case, we just use the packets as ptr to the device buffer */ + p->Signal.hEvent = stream->render.events[i]; + p->Header.Data = stream->render.hostBuffer + (i*bufferSizeInBytes); + p->Header.FrameExtent = bufferSizeInBytes; + p->Header.DataUsed = bufferSizeInBytes; + p->Header.Size = sizeof(p->Header); + p->Header.PresentationTime.Numerator = 1; + p->Header.PresentationTime.Denominator = 1; + } + } + break; + case Type_kWaveRT: + { + /* WaveRT case */ + + /* Set up the "packets" */ + DATAPACKET *p = stream->render.packets; + + /* The only playback event */ + stream->render.events[0] = CreateEvent(NULL, FALSE, FALSE, NULL); + + /* In this case, we just use the packets as ptr to the device buffer */ + p->Header.Data = stream->render.hostBuffer; + p->Header.FrameExtent = stream->render.framesPerBuffer*stream->render.bytesPerFrame; + p->Header.DataUsed = stream->render.framesPerBuffer*stream->render.bytesPerFrame; + p->Header.Size = sizeof(p->Header); + p->Header.PresentationTime.Numerator = 1; + p->Header.PresentationTime.Denominator = 1; + + ++p; + p->Header.Data = stream->render.hostBuffer + stream->render.framesPerBuffer*stream->render.bytesPerFrame; + p->Header.FrameExtent = stream->render.framesPerBuffer*stream->render.bytesPerFrame; + p->Header.DataUsed = stream->render.framesPerBuffer*stream->render.bytesPerFrame; + p->Header.Size = sizeof(p->Header); + p->Header.PresentationTime.Numerator = 1; + p->Header.PresentationTime.Denominator = 1; + + if (stream->render.pPin->pinKsSubType == SubType_kNotification) + { + result = PinRegisterNotificationHandle(stream->render.pPin, stream->render.events[0]); + + if (result != paNoError) + { + PA_DEBUG(("Failed to register rendering notification handle\n")); + PaWinWDM_SetLastErrorInfo(paUnanticipatedHostError, "Failed to register rendering notification handle"); + result = paUnanticipatedHostError; + goto error; + } + } + + result = PinRegisterPositionRegister(stream->render.pPin); + + if (result != paNoError) + { + PA_DEBUG(("Failed to register rendering position register, using PinGetAudioPositionViaIOCTL\n")); + stream->render.pPin->fnAudioPosition = PinGetAudioPositionViaIOCTL; + } + else + { + stream->render.pPin->fnAudioPosition = PinGetAudioPositionDirect; + } + } + break; + default: + /* Undefined wave type!! */ + assert(0); + result = paInternalError; + PaWinWDM_SetLastErrorInfo(result, "Wave type %u ??", stream->capture.pPin->parentFilter->devInfo.streamingType); + goto error; + } } stream->streamStarted = 0; @@ -2565,45 +5015,93 @@ static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi, stream->streamFlags = streamFlags; stream->oldProcessPriority = REALTIME_PRIORITY_CLASS; + /* Increase ref count on filters in use, so that a CommitDeviceInfos won't delete them */ + if (stream->capture.pPin != 0) + { + FilterAddRef(stream->capture.pPin->parentFilter); + } + if (stream->render.pPin != 0) + { + FilterAddRef(stream->render.pPin->parentFilter); + } + + /* Ok, now update our host API specific stream info */ + if (stream->userInputChannels) + { + PaWinWdmDeviceInfo *pDeviceInfo = (PaWinWdmDeviceInfo*)wdmHostApi->inheritedHostApiRep.deviceInfos[inputParameters->device]; + + stream->hostApiStreamInfo.input.device = Pa_HostApiDeviceIndexToDeviceIndex(Pa_HostApiTypeIdToHostApiIndex(paWDMKS), inputParameters->device); + stream->hostApiStreamInfo.input.channels = stream->deviceInputChannels; + stream->hostApiStreamInfo.input.muxNodeId = -1; + if (stream->capture.pPin->inputs) + { + stream->hostApiStreamInfo.input.muxNodeId = stream->capture.pPin->inputs[pDeviceInfo->muxPosition]->muxNodeId; + } + stream->hostApiStreamInfo.input.endpointPinId = pDeviceInfo->endpointPinId; + stream->hostApiStreamInfo.input.framesPerHostBuffer = stream->capture.framesPerBuffer; + stream->hostApiStreamInfo.input.streamingSubType = stream->capture.pPin->pinKsSubType; + } + else + { + stream->hostApiStreamInfo.input.device = paNoDevice; + } + if (stream->userOutputChannels) + { + stream->hostApiStreamInfo.output.device = Pa_HostApiDeviceIndexToDeviceIndex(Pa_HostApiTypeIdToHostApiIndex(paWDMKS), outputParameters->device); + stream->hostApiStreamInfo.output.channels = stream->deviceOutputChannels; + stream->hostApiStreamInfo.output.framesPerHostBuffer = stream->render.framesPerBuffer; + stream->hostApiStreamInfo.output.endpointPinId = stream->render.pPin->endpointPinId; + stream->hostApiStreamInfo.output.streamingSubType = stream->render.pPin->pinKsSubType; + } + else + { + stream->hostApiStreamInfo.output.device = paNoDevice; + } + /*stream->streamRepresentation.streamInfo.hostApiTypeId = paWDMKS; + stream->streamRepresentation.streamInfo.hostApiSpecificStreamInfo = &stream->hostApiStreamInfo;*/ + stream->streamRepresentation.streamInfo.structVersion = 2; + *s = (PaStream*)stream; PA_LOGL_; return result; +occupied: + /* Ok, someone else is hogging the pin, bail out */ + assert (result == paDeviceUnavailable); + PaWinWDM_SetLastErrorInfo(result, "Device is occupied"); + error: - size = 5; - while(size--) + PaUtil_TerminateBufferProcessor( &stream->bufferProcessor ); + + CloseStreamEvents(stream); + + if (stream->allocGroup) { - if(stream->events[size] != NULL) - { - CloseHandle(stream->events[size]); - stream->events[size] = NULL; - } + PaUtil_FreeAllAllocations(stream->allocGroup); + PaUtil_DestroyAllocationGroup(stream->allocGroup); + stream->allocGroup = 0; } - if(stream->hostBuffer) - PaUtil_FreeMemory( stream->hostBuffer ); - if(stream->playbackPin) - PinClose(stream->playbackPin); - if(stream->recordingPin) - PinClose(stream->recordingPin); + if(stream->render.pPin) + PinClose(stream->render.pPin); + if(stream->capture.pPin) + PinClose(stream->capture.pPin); - if( stream ) - PaUtil_FreeMemory( stream ); + PaUtil_FreeMemory( stream ); PA_LOGL_; return result; } /* - When CloseStream() is called, the multi-api layer ensures that - the stream has already been stopped or aborted. +When CloseStream() is called, the multi-api layer ensures that +the stream has already been stopped or aborted. */ static PaError CloseStream( PaStream* s ) { PaError result = paNoError; PaWinWdmStream *stream = (PaWinWdmStream*)s; - int size; PA_LOGE_; @@ -2612,22 +5110,33 @@ static PaError CloseStream( PaStream* s ) PaUtil_TerminateBufferProcessor( &stream->bufferProcessor ); PaUtil_TerminateStreamRepresentation( &stream->streamRepresentation ); - size = 5; - while(size--) + + CloseStreamEvents(stream); + + if (stream->allocGroup) { - if(stream->events[size] != NULL) - { - CloseHandle(stream->events[size]); - stream->events[size] = NULL; - } + PaUtil_FreeAllAllocations(stream->allocGroup); + PaUtil_DestroyAllocationGroup(stream->allocGroup); + stream->allocGroup = 0; + } + + if(stream->render.pPin) + { + PinClose(stream->render.pPin); + } + if(stream->capture.pPin) + { + PinClose(stream->capture.pPin); } - if(stream->hostBuffer) - PaUtil_FreeMemory( stream->hostBuffer ); - if(stream->playbackPin) - PinClose(stream->playbackPin); - if(stream->recordingPin) - PinClose(stream->recordingPin); + if (stream->render.pPin) + { + FilterFree(stream->render.pPin->parentFilter); + } + if (stream->capture.pPin) + { + FilterFree(stream->capture.pPin->parentFilter); + } PaUtil_FreeMemory( stream ); @@ -2638,25 +5147,57 @@ static PaError CloseStream( PaStream* s ) /* Write the supplied packet to the pin Asynchronous -Should return false on success +Should return paNoError on success */ -static BOOL PinWrite(HANDLE h, DATAPACKET* p) +static PaError PinWrite(HANDLE h, DATAPACKET* p) { + PaError result = paNoError; unsigned long cbReturned = 0; - return DeviceIoControl(h,IOCTL_KS_WRITE_STREAM,NULL,0, - &p->Header,p->Header.Size,&cbReturned,&p->Signal); + BOOL fRes = DeviceIoControl(h, + IOCTL_KS_WRITE_STREAM, + NULL, + 0, + &p->Header, + p->Header.Size, + &cbReturned, + &p->Signal); + if (!fRes) + { + unsigned long error = GetLastError(); + if (error != ERROR_IO_PENDING) + { + result = paInternalError; + } + } + return result; } /* Read to the supplied packet from the pin Asynchronous -Should return false on success +Should return paNoError on success */ -static BOOL PinRead(HANDLE h, DATAPACKET* p) +static PaError PinRead(HANDLE h, DATAPACKET* p) { + PaError result = paNoError; unsigned long cbReturned = 0; - return DeviceIoControl(h,IOCTL_KS_READ_STREAM,NULL,0, - &p->Header,p->Header.Size,&cbReturned,&p->Signal); + BOOL fRes = DeviceIoControl(h, + IOCTL_KS_READ_STREAM, + NULL, + 0, + &p->Header, + p->Header.Size, + &cbReturned, + &p->Signal); + if (!fRes) + { + unsigned long error = GetLastError(); + if (error != ERROR_IO_PENDING) + { + result = paInternalError; + } + } + return result; } /* @@ -2703,384 +5244,792 @@ static void DuplicateFirstChannelInt24(void* buffer, int channels, int samples) } } -/* -Copy the first interleaved channel of 32 bit data to the other channels -*/ -static void DuplicateFirstChannelInt32(void* buffer, int channels, int samples) +/* +Copy the first interleaved channel of 32 bit data to the other channels +*/ +static void DuplicateFirstChannelInt32(void* buffer, int channels, int samples) +{ + unsigned long* data = (unsigned long*)buffer; + int channel; + unsigned long sourceSample; + while( samples-- ) + { + sourceSample = *data++; + channel = channels-1; + while( channel-- ) + { + *data++ = sourceSample; + } + } +} + +/* +Increase the priority of the calling thread to RT +*/ +static HANDLE BumpThreadPriority() +{ + HANDLE hThread = GetCurrentThread(); + DWORD dwTask = 0; + HANDLE hAVRT = NULL; + + /* If we have access to AVRT.DLL (Vista and later), use it */ + if (FunctionAvSetMmThreadCharacteristics != NULL) + { + hAVRT = FunctionAvSetMmThreadCharacteristics("Pro Audio", &dwTask); + if (hAVRT != NULL && hAVRT != INVALID_HANDLE_VALUE) + { + BOOL bret = FunctionAvSetMmThreadPriority(hAVRT, PA_AVRT_PRIORITY_CRITICAL); + if (!bret) + { + PA_DEBUG(("Set mm thread prio to critical failed!\n")); + } + else + { + return hAVRT; + } + } + else + { + PA_DEBUG(("Set mm thread characteristic to 'Pro Audio' failed, reverting to SetThreadPriority\n")); + } + } + + /* For XP and earlier, or if AvSetMmThreadCharacteristics fails (MMCSS disabled ?) */ + if (timeBeginPeriod(1) != TIMERR_NOERROR) { + PA_DEBUG(("timeBeginPeriod(1) failed!\n")); + } + + if (!SetThreadPriority(hThread, THREAD_PRIORITY_TIME_CRITICAL)) { + PA_DEBUG(("SetThreadPriority failed!\n")); + } + + return hAVRT; +} + +/* +Decrease the priority of the calling thread to normal +*/ +static void DropThreadPriority(HANDLE hAVRT) +{ + HANDLE hThread = GetCurrentThread(); + + if (hAVRT != NULL) + { + FunctionAvSetMmThreadPriority(hAVRT, PA_AVRT_PRIORITY_NORMAL); + FunctionAvRevertMmThreadCharacteristics(hAVRT); + return; + } + + SetThreadPriority(hThread, THREAD_PRIORITY_NORMAL); + timeEndPeriod(1); +} + +static PaError PreparePinForStart(PaWinWdmPin* pin) +{ + PaError result; + result = PinSetState(pin, KSSTATE_ACQUIRE); + if (result != paNoError) + { + goto error; + } + result = PinSetState(pin, KSSTATE_PAUSE); + if (result != paNoError) + { + goto error; + } + return result; + +error: + PinSetState(pin, KSSTATE_STOP); + return result; +} + +static PaError PreparePinsForStart(PaProcessThreadInfo* pInfo) +{ + PaError result = paNoError; + /* Submit buffers */ + if (pInfo->stream->capture.pPin) + { + if ((result = PreparePinForStart(pInfo->stream->capture.pPin)) != paNoError) + { + goto error; + } + + if (pInfo->stream->capture.pPin->parentFilter->devInfo.streamingType == Type_kWaveCyclic) + { + unsigned i; + for(i=0; i < pInfo->stream->capture.noOfPackets; ++i) + { + if ((result = PinRead(pInfo->stream->capture.pPin->handle, pInfo->stream->capture.packets + i)) != paNoError) + { + goto error; + } + /* Reset the events as some devices SET the event on PinRead */ + ResetEvent(pInfo->stream->capture.packets[i].Signal.hEvent); + ++pInfo->pending; + } + } + else + { + pInfo->pending = 2; + } + } + + if(pInfo->stream->render.pPin) + { + if ((result = PreparePinForStart(pInfo->stream->render.pPin)) != paNoError) + { + goto error; + } + + pInfo->priming += pInfo->stream->render.noOfPackets; + ++pInfo->pending; + SetEvent(pInfo->stream->render.events[0]); + if (pInfo->stream->render.pPin->parentFilter->devInfo.streamingType == Type_kWaveCyclic) + { + unsigned i; + for(i=1; i < pInfo->stream->render.noOfPackets; ++i) + { + SetEvent(pInfo->stream->render.events[i]); + ++pInfo->pending; + } + } + } + +error: + PA_DEBUG(("PreparePinsForStart = %d\n", result)); + return result; +} + +static PaError StartPin(PaWinWdmPin* pin) +{ + return PinSetState(pin, KSSTATE_RUN); +} + +static PaError StartPins(PaProcessThreadInfo* pInfo) +{ + PaError result = paNoError; + /* Start the pins as synced as possible */ + if (pInfo->stream->capture.pPin) + { + result = StartPin(pInfo->stream->capture.pPin); + } + if(pInfo->stream->render.pPin) + { + result = StartPin(pInfo->stream->render.pPin); + } + PA_DEBUG(("StartPins = %d\n", result)); + return result; +} + + +static PaError StopPin(PaWinWdmPin* pin) +{ + PinSetState(pin, KSSTATE_PAUSE); + PinSetState(pin, KSSTATE_STOP); + return paNoError; +} + + +static PaError StopPins(PaProcessThreadInfo* pInfo) +{ + PaError result = paNoError; + if(pInfo->stream->render.pPin) + { + StopPin(pInfo->stream->render.pPin); + } + if(pInfo->stream->capture.pPin) + { + StopPin(pInfo->stream->capture.pPin); + } + return result; +} + +typedef void (*TSetInputFrameCount)(PaUtilBufferProcessor*, unsigned long); +typedef void (*TSetInputChannel)(PaUtilBufferProcessor*, unsigned int, void *, unsigned int); +static const TSetInputFrameCount fnSetInputFrameCount[2] = { PaUtil_SetInputFrameCount, PaUtil_Set2ndInputFrameCount }; +static const TSetInputChannel fnSetInputChannel[2] = { PaUtil_SetInputChannel, PaUtil_Set2ndInputChannel }; + +static PaError PaDoProcessing(PaProcessThreadInfo* pInfo) +{ + PaError result = paNoError; + int i, framesProcessed = 0, doChannelCopy = 0; + ring_buffer_size_t inputFramesAvailable = PaUtil_GetRingBufferReadAvailable(&pInfo->stream->ringBuffer); + + /* Do necessary buffer processing (which will invoke user callback if necessary) */ + if (pInfo->cbResult == paContinue && + (pInfo->renderHead != pInfo->renderTail || inputFramesAvailable)) + { + unsigned processFullDuplex = pInfo->stream->capture.pPin && pInfo->stream->render.pPin && (!pInfo->priming); + + PA_HP_TRACE((pInfo->stream->hLog, "DoProcessing: InputFrames=%u", inputFramesAvailable)); + + PaUtil_BeginCpuLoadMeasurement( &pInfo->stream->cpuLoadMeasurer ); + + pInfo->ti.currentTime = PaUtil_GetTime(); + + PaUtil_BeginBufferProcessing(&pInfo->stream->bufferProcessor, &pInfo->ti, pInfo->underover); + pInfo->underover = 0; /* Reset the (under|over)flow status */ + + if (pInfo->renderTail != pInfo->renderHead) + { + DATAPACKET* packet = pInfo->renderPackets[pInfo->renderTail & cPacketsArrayMask].packet; + + assert(packet != 0); + assert(packet->Header.Data != 0); + + PaUtil_SetOutputFrameCount(&pInfo->stream->bufferProcessor, pInfo->stream->render.framesPerBuffer); + + for(i=0;istream->userOutputChannels;i++) + { + /* Only write the user output channels. Leave the rest blank */ + PaUtil_SetOutputChannel(&pInfo->stream->bufferProcessor, + i, + ((unsigned char*)(packet->Header.Data))+(i*pInfo->stream->render.bytesPerSample), + pInfo->stream->deviceOutputChannels); + } + + /* We will do a copy to the other channels after the data has been written */ + doChannelCopy = ( pInfo->stream->userOutputChannels == 1 ); + } + + if (inputFramesAvailable && (!pInfo->stream->userOutputChannels || inputFramesAvailable >= (int)pInfo->stream->render.framesPerBuffer)) + { + unsigned wrapCntr = 0; + char* data[2] = {0,0}; + ring_buffer_size_t size[2] = {0,0}; + + /* If full-duplex, we just extract output buffer number of frames */ + if (pInfo->stream->userOutputChannels) + { + inputFramesAvailable = min(inputFramesAvailable, (int)pInfo->stream->render.framesPerBuffer); + } + + inputFramesAvailable = PaUtil_GetRingBufferReadRegions(&pInfo->stream->ringBuffer, + inputFramesAvailable, + &data[0], + &size[0], + &data[1], + &size[1]); + + for (wrapCntr = 0; wrapCntr < 2; ++wrapCntr) + { + if (size[wrapCntr] == 0) + break; + + fnSetInputFrameCount[wrapCntr](&pInfo->stream->bufferProcessor, size[wrapCntr]); + for(i=0;istream->userInputChannels;i++) + { + /* Only read as many channels as the user wants */ + fnSetInputChannel[wrapCntr](&pInfo->stream->bufferProcessor, + i, + ((unsigned char*)(data[wrapCntr]))+(i*pInfo->stream->capture.bytesPerSample), + pInfo->stream->deviceInputChannels); + } + } +#if 0 + if (pInfo->stream->userOutputChannels && pInfo->stream->capture.framesPerBuffer <= pInfo->stream->render.framesPerBuffer) + { + ring_buffer_size_t n = PaUtil_GetRingBufferReadAvailable(&pInfo->stream->ringBuffer); + if (n - inputFramesAvailable > 0) + { + PA_HP_TRACE((pInfo->stream->hLog, "Synchronizing input buffer (read advance = %d) ", n - inputFramesAvailable)); + PaUtil_AdvanceRingBufferReadIndex(&pInfo->stream->ringBuffer, n - inputFramesAvailable); + } + } +#endif + } + else + { + /* We haven't consumed anything from the ring buffer... */ + inputFramesAvailable = 0; + /* If we have full-duplex, this is at startup, so mark no-input! */ + if (pInfo->stream->userOutputChannels>0 && pInfo->stream->userInputChannels>0) + { + PA_HP_TRACE((pInfo->stream->hLog, "Input startup, marking no input.")); + PaUtil_SetNoInput(&pInfo->stream->bufferProcessor); + } + } + + if (processFullDuplex) /* full duplex */ + { + /* Only call the EndBufferProcessing function when the total input frames == total output frames */ + const unsigned long totalInputFrameCount = pInfo->stream->bufferProcessor.hostInputFrameCount[0] + pInfo->stream->bufferProcessor.hostInputFrameCount[1]; + const unsigned long totalOutputFrameCount = pInfo->stream->bufferProcessor.hostOutputFrameCount[0] + pInfo->stream->bufferProcessor.hostOutputFrameCount[1]; + + if(totalInputFrameCount == totalOutputFrameCount && totalOutputFrameCount != 0) + { + framesProcessed = PaUtil_EndBufferProcessing(&pInfo->stream->bufferProcessor, &pInfo->cbResult); + } + else + { + framesProcessed = 0; + } + } + else + { + framesProcessed = PaUtil_EndBufferProcessing(&pInfo->stream->bufferProcessor, &pInfo->cbResult); + } + + PA_HP_TRACE((pInfo->stream->hLog, "Frames processed: %u %s", framesProcessed, (pInfo->priming ? "(priming)":""))); + + if( doChannelCopy ) + { + DATAPACKET* packet = pInfo->renderPackets[pInfo->renderTail & cPacketsArrayMask].packet; + /* Copy the first output channel to the other channels */ + switch (pInfo->stream->render.bytesPerSample) + { + case 2: + DuplicateFirstChannelInt16(packet->Header.Data, pInfo->stream->deviceOutputChannels, pInfo->stream->render.framesPerBuffer); + break; + case 3: + DuplicateFirstChannelInt24(packet->Header.Data, pInfo->stream->deviceOutputChannels, pInfo->stream->render.framesPerBuffer); + break; + case 4: + DuplicateFirstChannelInt32(packet->Header.Data, pInfo->stream->deviceOutputChannels, pInfo->stream->render.framesPerBuffer); + break; + default: + assert(0); /* Unsupported format! */ + break; + } + } + PaUtil_EndCpuLoadMeasurement( &pInfo->stream->cpuLoadMeasurer, framesProcessed ); + + if (inputFramesAvailable) + { + PaUtil_AdvanceRingBufferReadIndex(&pInfo->stream->ringBuffer, inputFramesAvailable); + } + + if (pInfo->renderTail != pInfo->renderHead) + { + if (!pInfo->stream->streamStop) + { + result = pInfo->stream->render.pPin->fnSubmitHandler(pInfo, pInfo->renderTail); + if (result != paNoError) + { + PA_HP_TRACE((pInfo->stream->hLog, "Capture submit handler failed with result %d", result)); + return result; + } + } + pInfo->renderTail++; + if (!pInfo->pinsStarted && pInfo->priming == 0) + { + /* We start the pins here to allow "prime time" */ + if ((result = StartPins(pInfo)) == paNoError) + { + PA_HP_TRACE((pInfo->stream->hLog, "Starting pins!")); + pInfo->pinsStarted = 1; + } + } + } + } + + return result; +} + +static VOID CALLBACK TimerAPCWaveRTPolledMode( + LPVOID lpArgToCompletionRoutine, + DWORD dwTimerLowValue, + DWORD dwTimerHighValue) { - unsigned long* data = (unsigned long*)buffer; - int channel; - unsigned long sourceSample; - while( samples-- ) - { - sourceSample = *data++; - channel = channels-1; - while( channel-- ) - { - *data++ = sourceSample; - } - } + HANDLE* pHandles = (HANDLE*)lpArgToCompletionRoutine; + if (pHandles[0]) SetEvent(pHandles[0]); + if (pHandles[1]) SetEvent(pHandles[1]); } -static DWORD WINAPI ProcessingThread(LPVOID pParam) +static DWORD GetCurrentTimeInMillisecs() { - PaWinWdmStream *stream = (PaWinWdmStream*)pParam; - PaStreamCallbackTimeInfo ti; - int cbResult = paContinue; - int inbuf = 0; - int outbuf = 0; - int pending = 0; - PaError result; - unsigned long wait; - unsigned long eventSignaled; - int fillPlaybuf = 0; - int emptyRecordbuf = 0; - int framesProcessed; - unsigned long timeout; - int i; - int doChannelCopy; - int priming = 0; - PaStreamCallbackFlags underover = 0; + return timeGetTime(); +} + +PA_THREAD_FUNC ProcessingThread(void* pParam) +{ + PaError result = paNoError; + HANDLE hAVRT = NULL; + HANDLE hTimer = NULL; + HANDLE *handleArray = NULL; + HANDLE timerEventHandles[2] = {0}; + unsigned noOfHandles = 0; + unsigned captureEvents = 0; + unsigned renderEvents = 0; + unsigned timerPeriod = 0; + DWORD timeStamp[2] = {0}; + + PaProcessThreadInfo info; + memset(&info, 0, sizeof(PaProcessThreadInfo)); + info.stream = (PaWinWdmStream*)pParam; + + info.stream->threadResult = paNoError; PA_LOGE_; - ti.inputBufferAdcTime = 0.0; - ti.currentTime = 0.0; - ti.outputBufferDacTime = 0.0; + info.ti.inputBufferAdcTime = 0.0; + info.ti.currentTime = 0.0; + info.ti.outputBufferDacTime = 0.0; - /* Get double buffering going */ + PA_DEBUG(("In buffer len: %.3f ms\n",(2000*info.stream->capture.framesPerBuffer) / info.stream->streamRepresentation.streamInfo.sampleRate)); + PA_DEBUG(("Out buffer len: %.3f ms\n",(2000*info.stream->render.framesPerBuffer) / info.stream->streamRepresentation.streamInfo.sampleRate)); + info.timeout = (DWORD)max( + (2000*info.stream->render.framesPerBuffer/info.stream->streamRepresentation.streamInfo.sampleRate + 0.5), + (2000*info.stream->capture.framesPerBuffer/info.stream->streamRepresentation.streamInfo.sampleRate + 0.5)); + info.timeout = max(info.timeout*8, 100); + timerPeriod = info.timeout; + PA_DEBUG(("Timeout = %ld ms\n",info.timeout)); - /* Submit buffers */ - if(stream->playbackPin) - { - result = PinSetState(stream->playbackPin, KSSTATE_RUN); + /* Allocate handle array */ + handleArray = (HANDLE*)PaUtil_AllocateMemory((info.stream->capture.noOfPackets + info.stream->render.noOfPackets + 1) * sizeof(HANDLE)); - PA_DEBUG(("play state run = %d;",(int)result)); - SetEvent(stream->events[outbuf+2]); - outbuf = (outbuf+1)&1; - SetEvent(stream->events[outbuf+2]); - outbuf = (outbuf+1)&1; - pending += 2; - priming += 4; + /* Setup handle array for WFMO */ + if (info.stream->capture.pPin != 0) + { + handleArray[noOfHandles++] = info.stream->capture.events[0]; + if (info.stream->capture.pPin->parentFilter->devInfo.streamingType == Type_kWaveCyclic) + { + unsigned i; + for(i=1; i < info.stream->capture.noOfPackets; ++i) + { + handleArray[noOfHandles++] = info.stream->capture.events[i]; + } + } + captureEvents = noOfHandles; + renderEvents = noOfHandles; } - if(stream->recordingPin) + + if (info.stream->render.pPin != 0) { - result = PinSetState(stream->recordingPin, KSSTATE_RUN); + handleArray[noOfHandles++] = info.stream->render.events[0]; + if (info.stream->render.pPin->parentFilter->devInfo.streamingType == Type_kWaveCyclic) + { + unsigned i; + for(i=1; i < info.stream->render.noOfPackets; ++i) + { + handleArray[noOfHandles++] = info.stream->render.events[i]; + } + } + renderEvents = noOfHandles; + } + handleArray[noOfHandles++] = info.stream->eventAbort; + assert(noOfHandles <= (info.stream->capture.noOfPackets + info.stream->render.noOfPackets + 1)); - PA_DEBUG(("recording state run = %d;",(int)result)); - PinRead(stream->recordingPin->handle,&stream->packets[inbuf]); - inbuf = (inbuf+1)&1; /* Increment and wrap */ - PinRead(stream->recordingPin->handle,&stream->packets[inbuf]); - inbuf = (inbuf+1)&1; /* Increment and wrap */ - /* FIXME - do error checking */ - pending += 2; + /* Prepare render and capture pins */ + if ((result = PreparePinsForStart(&info)) != paNoError) + { + PA_DEBUG(("Failed to prepare device(s)!\n")); + goto error; } - PA_DEBUG(("Out buffer len:%f\n",(2000*stream->framesPerHostOBuffer) / stream->streamRepresentation.streamInfo.sampleRate)); - PA_DEBUG(("In buffer len:%f\n",(2000*stream->framesPerHostIBuffer) / stream->streamRepresentation.streamInfo.sampleRate)); - timeout = max( - ((2000*(DWORD)stream->framesPerHostOBuffer) / (DWORD)stream->streamRepresentation.streamInfo.sampleRate), - ((2000*(DWORD)stream->framesPerHostIBuffer) / (DWORD)stream->streamRepresentation.streamInfo.sampleRate)); - timeout = max(timeout,1); - PA_DEBUG(("Timeout = %ld\n",timeout)); - while(!stream->streamAbort) + /* Init high speed logger */ + if (PaUtil_InitializeHighSpeedLog(&info.stream->hLog, 1000000) != paNoError) { - fillPlaybuf = 0; - emptyRecordbuf = 0; + PA_DEBUG(("Failed to init high speed logger!\n")); + goto error; + } - /* Wait for next input or output buffer to be finished with*/ - assert(pending>0); + /* Heighten priority here */ + hAVRT = BumpThreadPriority(); + + /* If input only, we start the pins immediately */ + if (info.stream->render.pPin == 0) + { + if ((result = StartPins(&info)) != paNoError) + { + PA_DEBUG(("Failed to start device(s)!\n")); + goto error; + } + info.pinsStarted = 1; + } - if(stream->streamStop) + /* Handle WaveRT polled mode */ + { + const unsigned fs = (unsigned)info.stream->streamRepresentation.streamInfo.sampleRate; + if (info.stream->capture.pPin != 0 && info.stream->capture.pPin->pinKsSubType == SubType_kPolled) { - PA_DEBUG(("ss1:pending=%d ",pending)); + timerEventHandles[0] = info.stream->capture.events[0]; + timerPeriod = min(timerPeriod, (1000*info.stream->capture.framesPerBuffer)/fs); } - wait = WaitForMultipleObjects(5, stream->events, FALSE, 0); - if( wait == WAIT_TIMEOUT ) + + if (info.stream->render.pPin != 0 && info.stream->render.pPin->pinKsSubType == SubType_kPolled) { - /* No (under|over)flow has ocurred */ - wait = WaitForMultipleObjects(5, stream->events, FALSE, timeout); - eventSignaled = wait - WAIT_OBJECT_0; + timerEventHandles[1] = info.stream->render.events[0]; + timerPeriod = min(timerPeriod, (1000*info.stream->render.framesPerBuffer)/fs); } - else + + if (timerEventHandles[0] || timerEventHandles[1]) { - eventSignaled = wait - WAIT_OBJECT_0; - if( eventSignaled < 2 ) + LARGE_INTEGER dueTime = {0}; + + timerPeriod=max(timerPeriod/5,1); + PA_DEBUG(("Timer event handles=0x%04X,0x%04X period=%u ms", timerEventHandles[0], timerEventHandles[1], timerPeriod)); + hTimer = CreateWaitableTimer(0, FALSE, NULL); + if (hTimer == NULL) { - underover |= paInputOverflow; - PA_DEBUG(("Input overflow\n")); + result = paUnanticipatedHostError; + goto error; } - else if(( eventSignaled < 4 )&&(!priming)) + /* invoke first timeout immediately */ + if (!SetWaitableTimer(hTimer, &dueTime, timerPeriod, TimerAPCWaveRTPolledMode, timerEventHandles, FALSE)) { - underover |= paOutputUnderflow; - PA_DEBUG(("Output underflow\n")); + result = paUnanticipatedHostError; + goto error; } + PA_DEBUG(("Waitable timer started, period = %u ms\n", timerPeriod)); } + } - if(stream->streamStop) - { - PA_DEBUG(("ss2:wait=%ld",wait)); - } - if(wait == WAIT_FAILED) + /* Mark stream as active */ + info.stream->streamActive = 1; + info.stream->threadResult = paNoError; + + /* Up and running... */ + SetEvent(info.stream->eventStreamStart[StreamStart_kOk]); + + /* Take timestamp here */ + timeStamp[0] = timeStamp[1] = GetCurrentTimeInMillisecs(); + + while(!info.stream->streamAbort) + { + unsigned doProcessing = 1; + unsigned wait = WaitForMultipleObjects(noOfHandles, handleArray, FALSE, 0); + unsigned eventSignalled = wait - WAIT_OBJECT_0; + DWORD dwCurrentTime = 0; + + if (wait == WAIT_FAILED) { - PA_DEBUG(("Wait fail = %ld! ",wait)); + PA_DEBUG(("Wait failed = %ld! \n",wait)); break; } - if(wait == WAIT_TIMEOUT) + if (wait == WAIT_TIMEOUT) { - continue; + wait = WaitForMultipleObjectsEx(noOfHandles, handleArray, FALSE, 50, TRUE); + eventSignalled = wait - WAIT_OBJECT_0; } - - if(eventSignaled < 2) - { /* Recording input buffer has been filled */ - if(stream->playbackPin) + else + { + if (eventSignalled < captureEvents) { - /* First check if also the next playback buffer has been signaled */ - wait = WaitForSingleObject(stream->events[outbuf+2],0); - if(wait == WAIT_OBJECT_0) + if (PaUtil_GetRingBufferWriteAvailable(&info.stream->ringBuffer) == 0) { - /* Yes, so do both buffers at same time */ - fillPlaybuf = 1; - pending--; - /* Was this an underflow situation? */ - if( underover ) - underover |= paOutputUnderflow; /* Yes! */ + PA_HP_TRACE((info.stream->hLog, "!!!!! Input overflow !!!!!")); + info.underover |= paInputOverflow; } } - emptyRecordbuf = 1; - pending--; - } - else if(eventSignaled < 4) - { /* Playback output buffer has been emptied */ - if(stream->recordingPin) - { - /* First check if also the next recording buffer has been signaled */ - wait = WaitForSingleObject(stream->events[inbuf],0); - if(wait == WAIT_OBJECT_0) - { /* Yes, so do both buffers at same time */ - emptyRecordbuf = 1; - pending--; - /* Was this an overflow situation? */ - if( underover ) - underover |= paInputOverflow; /* Yes! */ + else if (eventSignalled < renderEvents) + { + if (!info.priming && info.renderHead - info.renderTail > 1) + { + PA_HP_TRACE((info.stream->hLog, "!!!!! Output underflow !!!!!")); + info.underover |= paOutputUnderflow; } } - fillPlaybuf = 1; - pending--; } - else + + /* Get event time */ + dwCurrentTime = GetCurrentTimeInMillisecs(); + + /* Since we can mix capture/render devices between WaveCyclic, WaveRT polled and WaveRT notification (3x3 combinations), + we can't rely on the timeout of WFMO to check for device timeouts, we need to keep tally. */ + if (info.stream->capture.pPin && (dwCurrentTime - timeStamp[0]) >= info.timeout) { - /* Abort event! */ - assert(stream->streamAbort); /* Should have been set */ - PA_DEBUG(("ABORTING ")); + PA_DEBUG(("Timeout for capture device (%u ms)!", info.timeout, (dwCurrentTime - timeStamp[0]))); + result = paTimedOut; + break; + } + if (info.stream->render.pPin && (dwCurrentTime - timeStamp[1]) >= info.timeout) + { + PA_DEBUG(("Timeout for render device (%u ms)!", info.timeout, (dwCurrentTime - timeStamp[1]))); + result = paTimedOut; break; } - ResetEvent(stream->events[eventSignaled]); - if(stream->streamStop) + if (wait == WAIT_IO_COMPLETION) { - PA_DEBUG(("Stream stop! pending=%d",pending)); - cbResult = paComplete; /* Stop, but play remaining buffers */ + /* Waitable timer has fired! */ + PA_HP_TRACE((info.stream->hLog, "WAIT_IO_COMPLETION")); + continue; } - /* Do necessary buffer processing (which will invoke user callback if necessary */ - doChannelCopy = 0; - if(cbResult==paContinue) + if (wait == WAIT_TIMEOUT) { - PaUtil_BeginCpuLoadMeasurement( &stream->cpuLoadMeasurer ); - if((stream->bufferProcessor.hostInputFrameCount[0] + stream->bufferProcessor.hostInputFrameCount[1]) == - (stream->bufferProcessor.hostOutputFrameCount[0] + stream->bufferProcessor.hostOutputFrameCount[1]) ) - PaUtil_BeginBufferProcessing(&stream->bufferProcessor,&ti,underover); - underover = 0; /* Reset the (under|over)flow status */ - if(fillPlaybuf) + continue; + } + else + { + if (eventSignalled < captureEvents) { - PaUtil_SetOutputFrameCount(&stream->bufferProcessor,0); - if( stream->userOutputChannels == 1 ) + timeStamp[0] = dwCurrentTime; + info.stream->capture.pPin->fnEventHandler(&info, eventSignalled); + /* Since we use the ring buffer, we can submit the buffers directly */ + if (!info.stream->streamStop) { - /* Write the single user channel to the first interleaved block */ - PaUtil_SetOutputChannel(&stream->bufferProcessor,0,stream->packets[outbuf+2].Header.Data,stream->deviceOutputChannels); - /* We will do a copy to the other channels after the data has been written */ - doChannelCopy = 1; - } - else - { - for(i=0;iuserOutputChannels;i++) + result = info.stream->capture.pPin->fnSubmitHandler(&info, info.captureTail); + if (result != paNoError) { - /* Only write the user output channels. Leave the rest blank */ - PaUtil_SetOutputChannel(&stream->bufferProcessor,i,((unsigned char*)(stream->packets[outbuf+2].Header.Data))+(i*stream->outputSampleSize),stream->deviceOutputChannels); + PA_HP_TRACE((info.stream->hLog, "Capture submit handler failed with result %d", result)); + break; } } - } - if(emptyRecordbuf) - { - PaUtil_SetInputFrameCount(&stream->bufferProcessor,stream->packets[inbuf].Header.DataUsed/stream->bytesPerInputFrame); - for(i=0;iuserInputChannels;i++) + ++info.captureTail; + /* If full-duplex, let _only_ render event trigger processing. We still need the stream stop + handling working, so let that be processed anyways... */ + if (info.stream->userOutputChannels > 0) { - /* Only read as many channels as the user wants */ - PaUtil_SetInputChannel(&stream->bufferProcessor,i,((unsigned char*)(stream->packets[inbuf].Header.Data))+(i*stream->inputSampleSize),stream->deviceInputChannels); + doProcessing = 0; } } - - if (stream->recordingPin && stream->playbackPin) /* full duplex */ + else if (eventSignalled < renderEvents) { - /* Only call the EndBufferProcessing function when the total input frames == total output frames */ - - if((stream->bufferProcessor.hostInputFrameCount[0] + stream->bufferProcessor.hostInputFrameCount[1]) == - (stream->bufferProcessor.hostOutputFrameCount[0] + stream->bufferProcessor.hostOutputFrameCount[1]) ) - { - framesProcessed = PaUtil_EndBufferProcessing(&stream->bufferProcessor,&cbResult); - } - else - { - framesProcessed = 0; - } + timeStamp[1] = dwCurrentTime; + eventSignalled -= captureEvents; + info.stream->render.pPin->fnEventHandler(&info, eventSignalled); } - else + else { - framesProcessed = PaUtil_EndBufferProcessing(&stream->bufferProcessor,&cbResult); + assert(info.stream->streamAbort); + PA_HP_TRACE((info.stream->hLog, "Stream abort!")); + continue; } + } - if( doChannelCopy ) + /* Handle processing */ + if (doProcessing) + { + result = PaDoProcessing(&info); + if (result != paNoError) { - /* Copy the first output channel to the other channels */ - switch(stream->outputSampleSize) - { - case 2: - DuplicateFirstChannelInt16(stream->packets[outbuf+2].Header.Data,stream->deviceOutputChannels,stream->framesPerHostOBuffer); - break; - case 3: - DuplicateFirstChannelInt24(stream->packets[outbuf+2].Header.Data,stream->deviceOutputChannels,stream->framesPerHostOBuffer); - break; - case 4: - DuplicateFirstChannelInt32(stream->packets[outbuf+2].Header.Data,stream->deviceOutputChannels,stream->framesPerHostOBuffer); - break; - default: - assert(0); /* Unsupported format! */ - break; - } + PA_HP_TRACE((info.stream->hLog, "PaDoProcessing failed!")); + break; } - PaUtil_EndCpuLoadMeasurement( &stream->cpuLoadMeasurer, framesProcessed ); - } - else - { - fillPlaybuf = 0; - emptyRecordbuf = 0; - } - - /* - if(cbResult != paContinue) - { - PA_DEBUG(("cbResult=%d, pending=%d:",cbResult,pending)); - } - */ - /* Submit buffers */ - if((fillPlaybuf)&&(cbResult!=paAbort)) - { - if(!PinWrite(stream->playbackPin->handle,&stream->packets[outbuf+2])) - outbuf = (outbuf+1)&1; /* Increment and wrap */ - pending++; - if( priming ) - priming--; /* Have to prime twice */ } - if((emptyRecordbuf)&&(cbResult==paContinue)) + + if(info.stream->streamStop && info.cbResult != paComplete) { - stream->packets[inbuf].Header.DataUsed = 0; /* Reset for reuse */ - PinRead(stream->recordingPin->handle,&stream->packets[inbuf]); - inbuf = (inbuf+1)&1; /* Increment and wrap */ - pending++; + PA_HP_TRACE((info.stream->hLog, "Stream stop! pending=%d",info.pending)); + info.cbResult = paComplete; /* Stop, but play remaining buffers */ } - if(pending==0) + + if(info.pending<=0) { - PA_DEBUG(("pending==0 finished...;")); + PA_HP_TRACE((info.stream->hLog, "pending==0 finished...")); break; } - if((!stream->playbackPin)&&(cbResult!=paContinue)) + if((!info.stream->render.pPin)&&(info.cbResult!=paContinue)) { - PA_DEBUG(("record only cbResult=%d...;",cbResult)); + PA_HP_TRACE((info.stream->hLog, "record only cbResult=%d...",info.cbResult)); break; } } - PA_DEBUG(("Finished thread")); + PA_DEBUG(("Finished processing loop\n")); + + info.stream->threadResult = result; + goto bailout; + +error: + PA_DEBUG(("Error starting processing thread\n")); + /* Set the "error" event together with result */ + info.stream->threadResult = result; + SetEvent(info.stream->eventStreamStart[StreamStart_kFailed]); - /* Finished, either normally or aborted */ - if(stream->playbackPin) +bailout: + if (hTimer) { - result = PinSetState(stream->playbackPin, KSSTATE_PAUSE); - result = PinSetState(stream->playbackPin, KSSTATE_STOP); + PA_DEBUG(("Waitable timer stopped\n", timerPeriod)); + CancelWaitableTimer(hTimer); + CloseHandle(hTimer); + hTimer = 0; } - if(stream->recordingPin) + + if (info.pinsStarted) { - result = PinSetState(stream->recordingPin, KSSTATE_PAUSE); - result = PinSetState(stream->recordingPin, KSSTATE_STOP); + StopPins(&info); } - stream->streamActive = 0; + /* Lower prio here */ + DropThreadPriority(hAVRT); - if((!stream->streamStop)&&(!stream->streamAbort)) + if (handleArray != NULL) { - /* Invoke the user stream finished callback */ - /* Only do it from here if not being stopped/aborted by user */ - if( stream->streamRepresentation.streamFinishedCallback != 0 ) - stream->streamRepresentation.streamFinishedCallback( stream->streamRepresentation.userData ); + PaUtil_FreeMemory(handleArray); } - stream->streamStop = 0; - stream->streamAbort = 0; - /* Reset process priority if necessary */ - if(stream->oldProcessPriority != REALTIME_PRIORITY_CLASS) +#if PA_TRACE_REALTIME_EVENTS + if (info.stream->hLog) + { + PA_DEBUG(("Dumping highspeed trace...\n")); + PaUtil_DumpHighSpeedLog(info.stream->hLog, "hp_trace.log"); + PaUtil_DiscardHighSpeedLog(info.stream->hLog); + info.stream->hLog = 0; + } +#endif + info.stream->streamActive = 0; + + if((!info.stream->streamStop)&&(!info.stream->streamAbort)) { - SetPriorityClass(GetCurrentProcess(),stream->oldProcessPriority); - stream->oldProcessPriority = REALTIME_PRIORITY_CLASS; + /* Invoke the user stream finished callback */ + /* Only do it from here if not being stopped/aborted by user */ + if( info.stream->streamRepresentation.streamFinishedCallback != 0 ) + info.stream->streamRepresentation.streamFinishedCallback( info.stream->streamRepresentation.userData ); } + info.stream->streamStop = 0; + info.stream->streamAbort = 0; PA_LOGL_; - EXIT_THREAD; return 0; } + static PaError StartStream( PaStream *s ) { PaError result = paNoError; PaWinWdmStream *stream = (PaWinWdmStream*)s; DWORD dwID; - BOOL ret; - int size; PA_LOGE_; stream->streamStop = 0; stream->streamAbort = 0; - size = 5; - while(size--) - { - if(stream->events[size] != NULL) - { - ResetEvent(stream->events[size]); - } - } + + ResetStreamEvents(stream); PaUtil_ResetBufferProcessor( &stream->bufferProcessor ); stream->oldProcessPriority = GetPriorityClass(GetCurrentProcess()); /* Uncomment the following line to enable dynamic boosting of the process - * priority to real time for best low latency support - * Disabled by default because RT processes can easily block the OS */ + * priority to real time for best low latency support + * Disabled by default because RT processes can easily block the OS */ /*ret = SetPriorityClass(GetCurrentProcess(),REALTIME_PRIORITY_CLASS); - PA_DEBUG(("Class ret = %d;",ret));*/ + PA_DEBUG(("Class ret = %d;",ret));*/ - stream->streamStarted = 1; - stream->streamThread = (HANDLE)_beginthreadex(NULL, 0, ProcessingThread, stream, 0, &dwID); + stream->streamThread = CREATE_THREAD_FUNCTION (NULL, 0, ProcessingThread, stream, CREATE_SUSPENDED, &dwID); if(stream->streamThread == NULL) { - stream->streamStarted = 0; result = paInsufficientMemory; goto end; } - ret = SetThreadPriority(stream->streamThread,THREAD_PRIORITY_TIME_CRITICAL); - PA_DEBUG(("Priority ret = %d;",ret)); - /* Make the stream active */ - stream->streamActive = 1; + ResumeThread(stream->streamThread); + + switch (WaitForMultipleObjects(2, stream->eventStreamStart, FALSE, 5000)) + { + case WAIT_OBJECT_0 + StreamStart_kOk: + PA_DEBUG(("Processing thread started!\n")); + result = paNoError; + /* streamActive is set in processing thread */ + stream->streamStarted = 1; + break; + case WAIT_OBJECT_0 + StreamStart_kFailed: + PA_DEBUG(("Processing thread start failed! (result=%d)\n", stream->threadResult)); + result = stream->threadResult; + /* Wait for the stream to really exit */ + WaitForSingleObject(stream->streamThread, 200); + CloseHandle(stream->streamThread); + stream->streamThread = 0; + break; + case WAIT_TIMEOUT: + default: + result = paTimedOut; + PaWinWDM_SetLastErrorInfo(result, "Failed to start processing thread (timeout)!"); + break; + } end: PA_LOGL_; @@ -3098,29 +6047,39 @@ static PaError StopStream( PaStream *s ) if(stream->streamActive) { + DWORD dwExitCode; doCb = 1; stream->streamStop = 1; - while(stream->streamActive) + if (GetExitCodeThread(stream->streamThread, &dwExitCode) && dwExitCode == STILL_ACTIVE) + { + if (WaitForSingleObject(stream->streamThread, INFINITE) != WAIT_OBJECT_0) + { + PA_DEBUG(("StopStream: stream thread terminated\n")); + TerminateThread(stream->streamThread, -1); + result = paTimedOut; + } + } + else { - PA_DEBUG(("W.")); - Sleep(10); /* Let thread sleep for 10 msec */ + PA_DEBUG(("StopStream: GECT says not active, but streamActive is not false ??")); + result = paUnanticipatedHostError; + PaWinWDM_SetLastErrorInfo(result, "StopStream: GECT says not active, but streamActive = %d", stream->streamActive); } } - - PA_DEBUG(("Terminating thread")); - if(stream->streamStarted && stream->streamThread) + else { - TerminateThread(stream->streamThread,0); - stream->streamThread = NULL; + if (stream->threadResult != paNoError) + { + PA_DEBUG(("StopStream: Stream not active (%d)\n", stream->threadResult)); + result = stream->threadResult; + stream->threadResult = paNoError; + } } + CloseHandle(stream->streamThread); + stream->streamThread = 0; stream->streamStarted = 0; - - if(stream->oldProcessPriority != REALTIME_PRIORITY_CLASS) - { - SetPriorityClass(GetCurrentProcess(),stream->oldProcessPriority); - stream->oldProcessPriority = REALTIME_PRIORITY_CLASS; - } + stream->streamActive = 0; if(doCb) { @@ -3128,7 +6087,7 @@ static PaError StopStream( PaStream *s ) /* This means it should be safe for the called function */ /* to invoke e.g. StartStream */ if( stream->streamRepresentation.streamFinishedCallback != 0 ) - stream->streamRepresentation.streamFinishedCallback( stream->streamRepresentation.userData ); + stream->streamRepresentation.streamFinishedCallback( stream->streamRepresentation.userData ); } PA_LOGL_; @@ -3147,27 +6106,20 @@ static PaError AbortStream( PaStream *s ) { doCb = 1; stream->streamAbort = 1; - SetEvent(stream->events[4]); /* Signal immediately */ - while(stream->streamActive) + SetEvent(stream->eventAbort); /* Signal immediately */ + if (WaitForSingleObject(stream->streamThread, 10000) != WAIT_OBJECT_0) { - Sleep(10); - } - } + TerminateThread(stream->streamThread, -1); + result = paTimedOut; - if(stream->streamStarted && stream->streamThread) - { - TerminateThread(stream->streamThread,0); - stream->streamThread = NULL; + PA_DEBUG(("AbortStream: stream thread terminated\n")); + } + assert(!stream->streamActive); } - + CloseHandle(stream->streamThread); + stream->streamThread = NULL; stream->streamStarted = 0; - if(stream->oldProcessPriority != REALTIME_PRIORITY_CLASS) - { - SetPriorityClass(GetCurrentProcess(),stream->oldProcessPriority); - stream->oldProcessPriority = REALTIME_PRIORITY_CLASS; - } - if(doCb) { /* Do user callback now after all state has been reset */ @@ -3236,14 +6188,14 @@ static double GetStreamCpuLoad( PaStream* s ) /* - As separate stream interfaces are used for blocking and callback - streams, the following functions can be guaranteed to only be called - for blocking streams. +As separate stream interfaces are used for blocking and callback +streams, the following functions can be guaranteed to only be called +for blocking streams. */ static PaError ReadStream( PaStream* s, - void *buffer, - unsigned long frames ) + void *buffer, + unsigned long frames ) { PaWinWdmStream *stream = (PaWinWdmStream*)s; @@ -3256,13 +6208,13 @@ static PaError ReadStream( PaStream* s, /* IMPLEMENT ME, see portaudio.h for required behavior*/ PA_LOGL_; - return paNoError; + return paInternalError; } static PaError WriteStream( PaStream* s, - const void *buffer, - unsigned long frames ) + const void *buffer, + unsigned long frames ) { PaWinWdmStream *stream = (PaWinWdmStream*)s; @@ -3275,7 +6227,7 @@ static PaError WriteStream( PaStream* s, /* IMPLEMENT ME, see portaudio.h for required behavior*/ PA_LOGL_; - return paNoError; + return paInternalError; } @@ -3305,4 +6257,288 @@ static signed long GetStreamWriteAvailable( PaStream* s ) /* IMPLEMENT ME, see portaudio.h for required behavior*/ PA_LOGL_; return 0; -} \ No newline at end of file +} + +/***************************************************************************************/ +/* Event and submit handlers for WaveCyclic */ +/***************************************************************************************/ + +static PaError PaPinCaptureEventHandler_WaveCyclic(PaProcessThreadInfo* pInfo, unsigned eventIndex) +{ + ring_buffer_size_t frameCount; + DATAPACKET* packet = pInfo->stream->capture.packets + eventIndex; + + assert( eventIndex < pInfo->stream->capture.noOfPackets ); + + pInfo->capturePackets[pInfo->captureHead & cPacketsArrayMask].packet = packet; + + frameCount = PaUtil_WriteRingBuffer(&pInfo->stream->ringBuffer, packet->Header.Data, pInfo->stream->capture.framesPerBuffer); + + PA_HP_TRACE((pInfo->stream->hLog, ">>> Capture event: idx=%u (frames=%u)", eventIndex, frameCount)); + ++pInfo->captureHead; + --pInfo->pending; + return paNoError; +} + +static PaError PaPinCaptureSubmitHandler_WaveCyclic(PaProcessThreadInfo* pInfo, unsigned eventIndex) +{ + PaError result = paNoError; + DATAPACKET* packet = pInfo->capturePackets[pInfo->captureTail & cPacketsArrayMask].packet; + pInfo->capturePackets[pInfo->captureTail & cPacketsArrayMask].packet = 0; + assert(packet != 0); + PA_HP_TRACE((pInfo->stream->hLog, "Capture submit: %u", eventIndex)); + packet->Header.DataUsed = 0; /* Reset for reuse */ + result = PinRead(pInfo->stream->capture.pPin->handle, packet); + /* Reset event, as some drivers might not do so (or even set the event!!), resulting in a 100% CPU capture loop */ + ResetEvent(packet->Signal.hEvent); + ++pInfo->pending; + return result; +} + +static PaError PaPinRenderEventHandler_WaveCyclic(PaProcessThreadInfo* pInfo, unsigned eventIndex) +{ + assert( eventIndex < pInfo->stream->render.noOfPackets ); + + pInfo->renderPackets[pInfo->renderHead & cPacketsArrayMask].packet = pInfo->stream->render.packets + eventIndex; + PA_HP_TRACE((pInfo->stream->hLog, "<<< Render event : idx=%u head=%u", eventIndex, pInfo->renderHead)); + ++pInfo->renderHead; + --pInfo->pending; + return paNoError; +} + +static PaError PaPinRenderSubmitHandler_WaveCyclic(PaProcessThreadInfo* pInfo, unsigned eventIndex) +{ + PaError result = paNoError; + DATAPACKET* packet = pInfo->renderPackets[pInfo->renderTail & cPacketsArrayMask].packet; + pInfo->renderPackets[pInfo->renderTail & cPacketsArrayMask].packet = 0; + assert(packet != 0); + + PA_HP_TRACE((pInfo->stream->hLog, "Render submit : %u idx=%u", pInfo->renderTail, (unsigned)(packet - pInfo->stream->render.packets))); + ResetEvent(packet->Signal.hEvent); + result = PinWrite(pInfo->stream->render.pPin->handle, packet); + /* Reset event, just in case we have an analogous situation to capture (see PaPinCaptureSubmitHandler_WaveCyclic) */ + ++pInfo->pending; + if (pInfo->priming) + { + --pInfo->priming; + } + return result; +} + +/***************************************************************************************/ +/* Event and submit handlers for WaveRT */ +/***************************************************************************************/ + +static PaError PaPinCaptureEventHandler_WaveRTEvent(PaProcessThreadInfo* pInfo, unsigned eventIndex) +{ + unsigned long pos; + unsigned realInBuf; + unsigned frameCount; + PaWinWdmIOInfo* pCapture = &pInfo->stream->capture; + const unsigned halfInputBuffer = pCapture->hostBufferSize >> 1; + PaWinWdmPin* pin = pCapture->pPin; + DATAPACKET* packet = 0; + + /* Get hold of current ADC position */ + pin->fnAudioPosition(pin, &pos); + /* Wrap it (robi: why not use hw latency compensation here ?? because pos then gets _way_ off from + where it should be, i.e. at beginning or half buffer position. Why? No idea.) */ + + pos %= pCapture->hostBufferSize; + /* Then realInBuf will point to "other" half of double buffer */ + realInBuf = pos < halfInputBuffer ? 1U : 0U; + + packet = pInfo->stream->capture.packets + realInBuf; + + /* Call barrier (or dummy) */ + pin->fnMemBarrier(); + + /* Put it in queue */ + frameCount = PaUtil_WriteRingBuffer(&pInfo->stream->ringBuffer, packet->Header.Data, pCapture->framesPerBuffer); + + pInfo->capturePackets[pInfo->captureHead & cPacketsArrayMask].packet = packet; + + PA_HP_TRACE((pInfo->stream->hLog, "Capture event (WaveRT): idx=%u head=%u (pos = %4.1lf%%, frames=%u)", realInBuf, pInfo->captureHead, (pos * 100.0 / pCapture->hostBufferSize), frameCount)); + + ++pInfo->captureHead; + --pInfo->pending; + + return paNoError; +} + +static PaError PaPinCaptureEventHandler_WaveRTPolled(PaProcessThreadInfo* pInfo, unsigned eventIndex) +{ + unsigned long pos; + unsigned bytesToRead; + PaWinWdmIOInfo* pCapture = &pInfo->stream->capture; + const unsigned halfInputBuffer = pCapture->hostBufferSize>>1; + PaWinWdmPin* pin = pInfo->stream->capture.pPin; + + /* Get hold of current ADC position */ + pin->fnAudioPosition(pin, &pos); + /* Wrap it (robi: why not use hw latency compensation here ?? because pos then gets _way_ off from + where it should be, i.e. at beginning or half buffer position. Why? No idea.) */ + /* Compensate for HW FIFO to get to last read buffer position */ + pos += pin->hwLatency; + pos %= pCapture->hostBufferSize; + /* Need to align position on frame boundary */ + pos &= ~(pCapture->bytesPerFrame - 1); + + /* Call barrier (or dummy) */ + pin->fnMemBarrier(); + + /* Put it in "queue" */ + bytesToRead = (pCapture->hostBufferSize + pos - pCapture->lastPosition) % pCapture->hostBufferSize; + if (bytesToRead > 0) + { + unsigned frameCount = PaUtil_WriteRingBuffer(&pInfo->stream->ringBuffer, + pCapture->hostBuffer + pCapture->lastPosition, + bytesToRead / pCapture->bytesPerFrame); + + pCapture->lastPosition = (pCapture->lastPosition + frameCount * pCapture->bytesPerFrame) % pCapture->hostBufferSize; + + PA_HP_TRACE((pInfo->stream->hLog, "Capture event (WaveRTPolled): pos = %4.1lf%%, framesRead=%u", (pos * 100.0 / pCapture->hostBufferSize), frameCount)); + ++pInfo->captureHead; + --pInfo->pending; + } + return paNoError; +} + +static PaError PaPinCaptureSubmitHandler_WaveRTEvent(PaProcessThreadInfo* pInfo, unsigned eventIndex) +{ + pInfo->capturePackets[pInfo->captureTail & cPacketsArrayMask].packet = 0; + ++pInfo->pending; + return paNoError; +} + +static PaError PaPinCaptureSubmitHandler_WaveRTPolled(PaProcessThreadInfo* pInfo, unsigned eventIndex) +{ + pInfo->capturePackets[pInfo->captureTail & cPacketsArrayMask].packet = 0; + ++pInfo->pending; + return paNoError; +} + +static PaError PaPinRenderEventHandler_WaveRTEvent(PaProcessThreadInfo* pInfo, unsigned eventIndex) +{ + unsigned long pos; + unsigned realOutBuf; + PaWinWdmIOInfo* pRender = &pInfo->stream->render; + const unsigned halfOutputBuffer = pRender->hostBufferSize >> 1; + PaWinWdmPin* pin = pInfo->stream->render.pPin; + PaIOPacket* ioPacket = &pInfo->renderPackets[pInfo->renderHead & cPacketsArrayMask]; + + /* Get hold of current DAC position */ + pin->fnAudioPosition(pin, &pos); + /* Compensate for HW FIFO to get to last read buffer position */ + pos += pin->hwLatency; + /* Wrap it */ + pos %= pRender->hostBufferSize; + /* And align it, not sure its really needed though */ + pos &= ~(pRender->bytesPerFrame - 1); + /* Then realOutBuf will point to "other" half of double buffer */ + realOutBuf = pos < halfOutputBuffer ? 1U : 0U; + + if (pInfo->priming) + { + realOutBuf = pInfo->renderHead & 0x1; + } + ioPacket->packet = pInfo->stream->render.packets + realOutBuf; + ioPacket->startByte = realOutBuf * halfOutputBuffer; + ioPacket->lengthBytes = halfOutputBuffer; + + PA_HP_TRACE((pInfo->stream->hLog, "Render event (WaveRT) : idx=%u head=%u (pos = %4.1lf%%)", realOutBuf, pInfo->renderHead, (pos * 100.0 / pRender->hostBufferSize) )); + + ++pInfo->renderHead; + --pInfo->pending; + return paNoError; +} + +static PaError PaPinRenderEventHandler_WaveRTPolled(PaProcessThreadInfo* pInfo, unsigned eventIndex) +{ + unsigned long pos; + unsigned realOutBuf; + unsigned bytesToWrite; + + PaWinWdmIOInfo* pRender = &pInfo->stream->render; + const unsigned halfOutputBuffer = pRender->hostBufferSize >> 1; + PaWinWdmPin* pin = pInfo->stream->render.pPin; + PaIOPacket* ioPacket = &pInfo->renderPackets[pInfo->renderHead & cPacketsArrayMask]; + + /* Get hold of current DAC position */ + pin->fnAudioPosition(pin, &pos); + /* Compensate for HW FIFO to get to last read buffer position */ + pos += pin->hwLatency; + /* Wrap it */ + pos %= pRender->hostBufferSize; + /* And align it, not sure its really needed though */ + pos &= ~(pRender->bytesPerFrame - 1); + + + if (pInfo->priming) + { + realOutBuf = pInfo->renderHead & 0x1; + ioPacket->packet = pInfo->stream->render.packets + realOutBuf; + ioPacket->startByte = realOutBuf * halfOutputBuffer; + ioPacket->lengthBytes = halfOutputBuffer; + ++pInfo->renderHead; + --pInfo->pending; + } + else + { + bytesToWrite = (pRender->hostBufferSize + pos - pRender->lastPosition) % pRender->hostBufferSize; + ++pRender->pollCntr; + if (bytesToWrite >= halfOutputBuffer) + { + realOutBuf = (pos < halfOutputBuffer) ? 1U : 0U; + ioPacket->packet = pInfo->stream->render.packets + realOutBuf; + pRender->lastPosition = realOutBuf ? 0U : halfOutputBuffer; + ioPacket->startByte = realOutBuf * halfOutputBuffer; + ioPacket->lengthBytes = halfOutputBuffer; + ++pInfo->renderHead; + --pInfo->pending; + PA_HP_TRACE((pInfo->stream->hLog, "Render event (WaveRTPolled) : idx=%u head=%u (pos = %4.1lf%%, cnt=%u)", realOutBuf, pInfo->renderHead, (pos * 100.0 / pRender->hostBufferSize), pRender->pollCntr)); + pRender->pollCntr = 0; + } + } + return paNoError; +} + +static PaError PaPinRenderSubmitHandler_WaveRTEvent(PaProcessThreadInfo* pInfo, unsigned eventIndex) +{ + PaWinWdmPin* pin = pInfo->stream->render.pPin; + pInfo->renderPackets[pInfo->renderTail & cPacketsArrayMask].packet = 0; + /* Call barrier (if needed) */ + pin->fnMemBarrier(); + PA_HP_TRACE((pInfo->stream->hLog, "Render submit (WaveRT) : submit=%u", pInfo->renderTail)); + ++pInfo->pending; + if (pInfo->priming) + { + --pInfo->priming; + if (pInfo->priming) + { + PA_HP_TRACE((pInfo->stream->hLog, "Setting WaveRT event for priming (2)")); + SetEvent(pInfo->stream->render.events[0]); + } + } + return paNoError; +} + +static PaError PaPinRenderSubmitHandler_WaveRTPolled(PaProcessThreadInfo* pInfo, unsigned eventIndex) +{ + PaWinWdmPin* pin = pInfo->stream->render.pPin; + pInfo->renderPackets[pInfo->renderTail & cPacketsArrayMask].packet = 0; + /* Call barrier (if needed) */ + pin->fnMemBarrier(); + PA_HP_TRACE((pInfo->stream->hLog, "Render submit (WaveRTPolled) : submit=%u", pInfo->renderTail)); + ++pInfo->pending; + if (pInfo->priming) + { + --pInfo->priming; + if (pInfo->priming) + { + PA_HP_TRACE((pInfo->stream->hLog, "Setting WaveRT event for priming (2)")); + SetEvent(pInfo->stream->render.events[0]); + } + } + return paNoError; +} diff --git a/src/hostapi/wdmks/readme.txt b/src/hostapi/wdmks/readme.txt index 1a381fe..c4c349c 100644 --- a/src/hostapi/wdmks/readme.txt +++ b/src/hostapi/wdmks/readme.txt @@ -3,12 +3,15 @@ Notes about WDM-KS host API Status history -------------- +16th January 2011: +Added support for WaveRT device API (Vista and later) for even lesser +latency support. + 10th November 2005: Made following changes: * OpenStream: Try all PaSampleFormats internally if the the chosen format is not supported natively. This fixed several problems - with soundcards that soundcards that did not take kindly to - using 24-bit 3-byte formats. + with soundcards that did not take kindly to using 24-bit 3-byte formats. * OpenStream: Make the minimum framesPerHostIBuffer (and framesPerHostOBuffer) the default frameSize for the playback/recording pin. * ProcessingThread: Added a switch to only call PaUtil_EndBufferProcessing @@ -71,7 +74,7 @@ In PortAudio terms, this means having a stream Open on a WDMKS device. Usage ----- To add the WDMKS backend to your program which is already using -PortAudio, you must undefine PA_NO_WDMKS from your build file, +PortAudio, you must define PA_USE_WDMKS=1 in your build file, and include the pa_win_wdmks\pa_win_wdmks.c into your build. The file should compile in both C and C++. You will need a DirectX SDK installed on your system for the @@ -79,4 +82,4 @@ ks.h and ksmedia.h header files. You will need to link to the system "setupapi" library. Note that if you use MinGW, you will get more warnings from the DX header files when using GCC(C), and still a few warnings -with G++(CPP). \ No newline at end of file +with G++(CPP). diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt new file mode 100644 index 0000000..67dfac6 --- /dev/null +++ b/test/CMakeLists.txt @@ -0,0 +1,9 @@ +# Test projects +# Use the macro to add test projects + +MACRO(ADD_TEST appl_name) + ADD_EXECUTABLE(${appl_name} "${appl_name}.c") + TARGET_LINK_LIBRARIES(${appl_name} portaudio_static) +ENDMACRO(ADD_TEST) + +ADD_TEST(patest_longsine)