--- /dev/null
+/*
+ * $Id$
+ * debug_record_reuse.c
+ * Record input into an array.
+ * Save array to a file.
+ * Based on patest_record.c but with various ugly debug hacks thrown in.
+ * Loop twice and reuse same streams.
+ *
+ * Author: Phil Burk http://www.softsynth.com
+ *
+ * This program uses the PortAudio Portable Audio Library.
+ * For more information see: http://www.portaudio.com
+ * Copyright (c) 1999-2000 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.
+ *
+ * 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.
+ *
+ * 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.
+ *
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <memory.h>
+#include "portaudio.h"
+#define SAMPLE_RATE (22050)
+#define NUM_SECONDS (4)
+#define SLEEP_DUR_MSEC (200)
+#define FRAMES_PER_BUFFER (256)
+#define NUM_REC_BUFS (0)
+
+#if 1
+#define PA_SAMPLE_TYPE paFloat32
+typedef float SAMPLE;
+#else
+#define PA_SAMPLE_TYPE paInt16
+typedef short SAMPLE;
+#endif
+
+typedef struct
+{
+ long frameIndex; /* Index into sample array. */
+ long maxFrameIndex;
+ long samplesPerFrame;
+ long numSamples;
+ PortAudioStream *outputStream;
+ PortAudioStream *inputStream;
+ SAMPLE *recordedSamples;
+}
+paTestData;
+
+/* This routine will be called by the PortAudio engine when audio is needed.
+** It may be called at interrupt level on some machines so don't do anything
+** that could mess up the system like calling malloc() or free().
+*/
+static int recordCallback( void *inputBuffer, void *outputBuffer,
+ unsigned long framesPerBuffer,
+ PaTimestamp outTime, void *userData )
+{
+ paTestData *data = (paTestData*)userData;
+ SAMPLE *rptr = (SAMPLE*)inputBuffer;
+ SAMPLE *wptr = &data->recordedSamples[data->frameIndex * data->samplesPerFrame];
+ long framesToCalc;
+ unsigned long i;
+ int finished;
+ unsigned long framesLeft = data->maxFrameIndex - data->frameIndex;
+
+ (void) outputBuffer; /* Prevent unused variable warnings. */
+ (void) outTime;
+
+ if( framesLeft < framesPerBuffer )
+ {
+ framesToCalc = framesLeft;
+ finished = 1;
+ }
+ else
+ {
+ framesToCalc = framesPerBuffer;
+ finished = 0;
+ }
+ if( inputBuffer == NULL )
+ {
+ for( i=0; i<framesToCalc; i++ )
+ {
+ *wptr++ = 0; /* left */
+ *wptr++ = 0; /* right */
+ }
+ }
+ else
+ {
+ for( i=0; i<framesToCalc; i++ )
+ {
+ *wptr++ = *rptr++; /* left */
+ *wptr++ = *rptr++; /* right */
+ }
+ }
+ data->frameIndex += framesToCalc;
+ return finished;
+}
+
+/* This routine will be called by the PortAudio engine when audio is needed.
+** It may be called at interrupt level on some machines so don't do anything
+** that could mess up the system like calling malloc() or free().
+*/
+static int playCallback( void *inputBuffer, void *outputBuffer,
+ unsigned long framesPerBuffer,
+ PaTimestamp outTime, void *userData )
+{
+ paTestData *data = (paTestData*)userData;
+ SAMPLE *rptr = &data->recordedSamples[data->frameIndex * data->samplesPerFrame];
+ SAMPLE *wptr = (SAMPLE*)outputBuffer;
+ unsigned long i;
+ int finished;
+ unsigned int framesLeft = data->maxFrameIndex - data->frameIndex;
+ if( outputBuffer == NULL ) return 0;
+ (void) inputBuffer; /* Prevent unused variable warnings. */
+ (void) outTime;
+
+ if( framesLeft < framesPerBuffer )
+ {
+ /* final buffer... */
+ for( i=0; i<framesLeft; i++ )
+ {
+ *wptr++ = *rptr++; /* left */
+ *wptr++ = *rptr++; /* right */
+ }
+ for( ; i<framesPerBuffer; i++ )
+ {
+ *wptr++ = 0; /* left */
+ *wptr++ = 0; /* right */
+ }
+ data->frameIndex += framesLeft;
+ finished = 1;
+ }
+ else
+ {
+ for( i=0; i<framesPerBuffer; i++ )
+ {
+ *wptr++ = *rptr++; /* left */
+ *wptr++ = *rptr++; /* right */
+ }
+ data->frameIndex += framesPerBuffer;
+ finished = 0;
+ }
+ return finished;
+}
+
+/****************************************************************/
+PaError TestRecording( paTestData *dataPtr )
+{
+ PaError err;
+ int i;
+ int lastIndex = 0;
+
+/* Open input stream if not already open. */
+ if( dataPtr->inputStream == NULL )
+ {
+ /* Record some audio. */
+ err = Pa_OpenStream(
+ &dataPtr->inputStream,
+ Pa_GetDefaultInputDeviceID(),
+ dataPtr->samplesPerFrame, /* stereo input */
+ PA_SAMPLE_TYPE,
+ NULL,
+ paNoDevice,
+ 0,
+ PA_SAMPLE_TYPE,
+ NULL,
+ SAMPLE_RATE,
+ FRAMES_PER_BUFFER, /* frames per buffer */
+ NUM_REC_BUFS, /* number of buffers, if zero then use default minimum */
+ paClipOff, /* we won't output out of range samples so don't bother clipping them */
+ recordCallback,
+ dataPtr );
+ if( err != paNoError ) goto error;
+ }
+
+ dataPtr->frameIndex = 0;
+
+ err = Pa_StartStream( dataPtr->inputStream );
+ if( err != paNoError ) goto error;
+
+ printf("Now recording!\n"); fflush(stdout);
+ for( i=0; i<(NUM_SECONDS*1000/SLEEP_DUR_MSEC); i++ )
+ {
+ int frameIndex, delta;
+ Pa_Sleep(SLEEP_DUR_MSEC);
+
+ frameIndex = dataPtr->frameIndex;
+ if( Pa_StreamActive( dataPtr->inputStream ) <= 0)
+ {
+ printf("Stream inactive!\n");
+ break;
+ }
+ if( dataPtr->maxFrameIndex <= frameIndex )
+ {
+ printf("Buffer recording complete.\n");
+ break;
+ }
+
+ delta = frameIndex - lastIndex;
+ lastIndex = frameIndex;
+ printf("index = %d, delta = %d\n", frameIndex, delta ); fflush(stdout);
+ }
+
+ err = Pa_StopStream( dataPtr->inputStream );
+ if( err != paNoError ) goto error;
+
+ printf("Done.\n"); fflush(stdout);
+
+error:
+ return err;
+}
+
+/****************************************************************/
+PaError TestPlayback( paTestData *dataPtr )
+{
+ PaError err;
+ int i;
+ int lastIndex = 0;
+
+ /* Playback recorded data. */
+ dataPtr->frameIndex = 0;
+ printf("Begin playback.\n"); fflush(stdout);
+
+/* Open output stream if not already open. */
+ if( dataPtr->outputStream == NULL )
+ {
+ err = Pa_OpenStream(
+ &dataPtr->outputStream,
+ paNoDevice,
+ 0, /* NO input */
+ PA_SAMPLE_TYPE,
+ NULL,
+ Pa_GetDefaultOutputDeviceID(),
+ dataPtr->samplesPerFrame, /* stereo output */
+ PA_SAMPLE_TYPE,
+ NULL,
+ SAMPLE_RATE,
+ FRAMES_PER_BUFFER, /* frames per buffer */
+ 0, /* number of buffers, if zero then use default minimum */
+ paClipOff, /* we won't output out of range samples so don't bother clipping them */
+ playCallback,
+ dataPtr );
+ if( err != paNoError ) goto error;
+ }
+
+ err = Pa_StartStream( dataPtr->outputStream );
+ if( err != paNoError ) goto error;
+
+ printf("Waiting for playback to finish.\n"); fflush(stdout);
+ for( i=0; i<(NUM_SECONDS*1000/SLEEP_DUR_MSEC); i++ )
+ {
+ int frameIndex, delta;
+ Pa_Sleep(SLEEP_DUR_MSEC);
+ frameIndex = dataPtr->frameIndex;
+ delta = frameIndex - lastIndex;
+ lastIndex = frameIndex;
+ printf("index = %d, delta = %d\n", frameIndex, delta ); fflush(stdout);
+ }
+
+ err = Pa_StopStream( dataPtr->outputStream );
+ if( err != paNoError ) goto error;
+
+error:
+ return err;
+}
+/*******************************************************************/
+int main(void);
+int main(void)
+{
+ PaError err;
+ paTestData data = { 0 };
+ long totalFrames;
+ long numBytes;
+ long i;
+ printf("patest_record.c\n"); fflush(stdout);
+
+/* Set up test data structure and sample array. */
+ data.frameIndex = 0;
+ data.samplesPerFrame = 2;
+ data.maxFrameIndex = totalFrames = NUM_SECONDS*SAMPLE_RATE;
+
+ printf("totalFrames = %d\n", totalFrames ); fflush(stdout);
+ data.numSamples = totalFrames * data.samplesPerFrame;
+
+ numBytes = data.numSamples * sizeof(SAMPLE);
+ data.recordedSamples = (SAMPLE *) malloc( numBytes );
+ if( data.recordedSamples == NULL )
+ {
+ printf("Could not allocate record array.\n");
+ exit(1);
+ }
+ for( i=0; i<data.numSamples; i++ ) data.recordedSamples[i] = 0;
+
+ err = Pa_Initialize();
+ if( err != paNoError ) goto error;
+
+/* Record and playback multiple times. */
+ for( i=0; i<2; i++ )
+ {
+ err = TestRecording( &data );
+ if( err != paNoError ) goto error;
+
+ err = TestPlayback( &data );
+ if( err != paNoError ) goto error;
+ }
+
+/* Clean up. */
+ err = Pa_CloseStream( data.inputStream );
+ if( err != paNoError ) goto error;
+
+ err = Pa_CloseStream( data.outputStream );
+ if( err != paNoError ) goto error;
+
+ if( err != paNoError ) goto error;
+
+ free( data.recordedSamples );
+ Pa_Terminate();
+
+ printf("Test complete.\n"); fflush(stdout);
+ return 0;
+
+error:
+ Pa_Terminate();
+ fprintf( stderr, "An error occured while using the portaudio stream\n" );
+ fprintf( stderr, "Error number: %d\n", err );
+ fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
+ if( err == paHostError )
+ {
+ fprintf( stderr, "Host Error number: %d\n", Pa_GetHostError() );
+ }
+ return -1;
+}
--- /dev/null
+/*
+ * $Id$
+ * debug_record_reuse.c
+ * Record input into an array.
+ * Save array to a file.
+ * Based on patest_record.c but with various ugly debug hacks thrown in.
+ * Loop twice and reuse same streams.
+ *
+ * Author: Phil Burk http://www.softsynth.com
+ *
+ * This program uses the PortAudio Portable Audio Library.
+ * For more information see: http://www.portaudio.com
+ * Copyright (c) 1999-2000 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.
+ *
+ * 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.
+ *
+ * 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.
+ *
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <memory.h>
+#include "portaudio.h"
+
+#define EWS88MT_12_REC (1)
+#define EWS88MT_12_PLAY (10)
+#define SBLIVE_REC (2)
+#define SBLIVE_PLAY (11)
+
+#if 0
+#define INPUT_DEVICE_ID Pa_GetDefaultInputDeviceID()
+#define OUTPUT_DEVICE_ID Pa_GetDefaultOutputDeviceID()
+#else
+#define INPUT_DEVICE_ID (EWS88MT_12_REC)
+#define OUTPUT_DEVICE_ID (SBLIVE_PLAY)
+#endif
+
+#define INPUT_SAMPLE_RATE (22050.0)
+#define OUTPUT_SAMPLE_RATE (22050.0)
+#define NUM_SECONDS (4)
+#define SLEEP_DUR_MSEC (1000)
+#define FRAMES_PER_BUFFER (64)
+#define NUM_REC_BUFS (0)
+#define SAMPLES_PER_FRAME (2)
+
+#define PA_SAMPLE_TYPE paInt16
+typedef short SAMPLE;
+
+typedef struct
+{
+ long frameIndex; /* Index into sample array. */
+}
+paTestData;
+
+/* This routine will be called by the PortAudio engine when audio is needed.
+** It may be called at interrupt level on some machines so don't do anything
+** that could mess up the system like calling malloc() or free().
+*/
+static int recordCallback( void *inputBuffer, void *outputBuffer,
+ unsigned long framesPerBuffer,
+ PaTimestamp outTime, void *userData )
+{
+ paTestData *data = (paTestData *) userData;
+ (void) outputBuffer; /* Prevent unused variable warnings. */
+ (void) outTime;
+
+ if( inputBuffer != NULL )
+ {
+ data->frameIndex += framesPerBuffer;
+ }
+ return 0;
+}
+
+/* This routine will be called by the PortAudio engine when audio is needed.
+** It may be called at interrupt level on some machines so don't do anything
+** that could mess up the system like calling malloc() or free().
+*/
+static int playCallback( void *inputBuffer, void *outputBuffer,
+ unsigned long framesPerBuffer,
+ PaTimestamp outTime, void *userData )
+{
+ paTestData *data = (paTestData *) userData;
+ (void) inputBuffer; /* Prevent unused variable warnings. */
+ (void) outTime;
+
+ if( outputBuffer != NULL )
+ {
+ data->frameIndex += framesPerBuffer;
+ }
+ return 0;
+}
+
+/****************************************************************/
+PaError MeasureStreamRate( PortAudioStream *stream, paTestData *dataPtr, double *ratePtr )
+{
+ PaError err;
+ int i;
+ int totalFrames = 0;
+ int totalMSec = 0;
+
+ dataPtr->frameIndex = 0;
+
+ err = Pa_StartStream( stream );
+ if( err != paNoError ) goto error;
+
+ for( i=0; i<(NUM_SECONDS*1000/SLEEP_DUR_MSEC); i++ )
+ {
+ int delta, endIndex;
+
+ int startIndex = dataPtr->frameIndex;
+ Pa_Sleep(SLEEP_DUR_MSEC);
+ endIndex = dataPtr->frameIndex;
+
+ delta = endIndex - startIndex;
+ totalFrames += delta;
+ totalMSec += SLEEP_DUR_MSEC;
+
+ printf("index = %d, delta = %d\n", endIndex, delta ); fflush(stdout);
+ }
+
+ err = Pa_StopStream( stream );
+ if( err != paNoError ) goto error;
+
+ *ratePtr = (totalFrames * 1000.0) / totalMSec;
+
+error:
+ return err;
+}
+
+void ReportRate( double measuredRate, double expectedRate )
+{
+ double error;
+
+ error = (measuredRate - expectedRate) / expectedRate;
+ error = (error < 0 ) ? -error : error;
+
+ printf("Measured rate = %6.1f, expected rate = %6.1f\n",
+ measuredRate, expectedRate );
+ if( error > 0.1 )
+ {
+ printf("ERROR: unexpected rate! --------------------- ERROR!\n");
+ }
+ else
+ {
+ printf("SUCCESS: rate within tolerance!\n");
+ }
+}
+
+/*******************************************************************/
+int main(void);
+int main(void)
+{
+ PaError err;
+ paTestData data = { 0 };
+ long i;
+ double rate;
+ const PaDeviceInfo *pdi;
+
+ PortAudioStream *outputStream;
+ PortAudioStream *inputStream;
+
+ err = Pa_Initialize();
+ if( err != paNoError ) goto error;
+
+
+ pdi = Pa_GetDeviceInfo( INPUT_DEVICE_ID );
+ printf("Input device = %s\n", pdi->name );
+ pdi = Pa_GetDeviceInfo( OUTPUT_DEVICE_ID );
+ printf("Output device = %s\n", pdi->name );
+
+/* Open input stream. */
+ err = Pa_OpenStream(
+ &inputStream,
+ INPUT_DEVICE_ID,
+ SAMPLES_PER_FRAME, /* stereo input */
+ PA_SAMPLE_TYPE,
+ NULL,
+ paNoDevice,
+ 0,
+ PA_SAMPLE_TYPE,
+ NULL,
+ INPUT_SAMPLE_RATE,
+ FRAMES_PER_BUFFER, /* frames per buffer */
+ NUM_REC_BUFS, /* number of buffers, if zero then use default minimum */
+ paClipOff, /* we won't output out of range samples so don't bother clipping them */
+ recordCallback,
+ &data );
+ if( err != paNoError ) goto error;
+
+ err = Pa_OpenStream(
+ &outputStream,
+ paNoDevice,
+ 0, /* NO input */
+ PA_SAMPLE_TYPE,
+ NULL,
+ OUTPUT_DEVICE_ID,
+ SAMPLES_PER_FRAME, /* stereo output */
+ PA_SAMPLE_TYPE,
+ NULL,
+ OUTPUT_SAMPLE_RATE,
+ FRAMES_PER_BUFFER, /* frames per buffer */
+ 0, /* number of buffers, if zero then use default minimum */
+ paClipOff, /* we won't output out of range samples so don't bother clipping them */
+ playCallback,
+ &data );
+ if( err != paNoError ) goto error;
+
+/* Record and playback multiple times. */
+ for( i=0; i<2; i++ )
+ {
+ printf("Measuring INPUT ------------------------- \n");
+ err = MeasureStreamRate( inputStream, &data, &rate );
+ if( err != paNoError ) goto error;
+ ReportRate( rate, INPUT_SAMPLE_RATE );
+
+ printf("Measuring OUTPUT ------------------------- \n");
+ err = MeasureStreamRate( outputStream, &data, &rate );
+ if( err != paNoError ) goto error;
+ ReportRate( rate, OUTPUT_SAMPLE_RATE );
+ }
+
+/* Clean up. */
+ err = Pa_CloseStream( inputStream );
+ if( err != paNoError ) goto error;
+
+ err = Pa_CloseStream( outputStream );
+ if( err != paNoError ) goto error;
+
+ if( err != paNoError ) goto error;
+
+ Pa_Terminate();
+
+ printf("Test complete.\n"); fflush(stdout);
+ return 0;
+
+error:
+ Pa_Terminate();
+ fprintf( stderr, "An error occured while using the portaudio stream\n" );
+ fprintf( stderr, "Error number: %d\n", err );
+ fprintf( stderr, "Error message: %s\n", Pa_GetErrorText( err ) );
+ if( err == paHostError )
+ {
+ fprintf( stderr, "Host Error number: %d\n", Pa_GetHostError() );
+ }
+ return -1;
+}
projects / portaudio / commitdiff