From: philburk Date: Thu, 21 Mar 2002 00:44:35 +0000 (+0000) Subject: New tests written when debugging pa_mac_core X-Git-Tag: V18~37 X-Git-Url: https://andrewgundersen.net/repos?a=commitdiff_plain;h=3e603eba3e7dbfda815e2c24d863f19e9528b293;p=portaudio New tests written when debugging pa_mac_core --- diff --git a/pa_tests/debug_convert.c b/pa_tests/debug_convert.c new file mode 100644 index 0000000..a17b556 --- /dev/null +++ b/pa_tests/debug_convert.c @@ -0,0 +1,131 @@ +/* + * $Id$ + * Convert tagged values. + * + * Author: Phil Burk + * + * 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 +#include +#include "portaudio.h" +#define OUTPUT_DEVICE (Pa_GetDefaultOutputDeviceID()) +//#define OUTPUT_DEVICE (11) +#define NUM_SECONDS (8) +#define SLEEP_DUR (800) +#define SAMPLE_RATE (44100) +#define FRAMES_PER_BUFFER (256) + +#define NUM_BUFFERS (0) + +typedef struct +{ + unsigned int framesToGo; +} +paTestData; +/* This routine will be called by the PortAudio engine when audio is needed. +** It may 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 patestCallback( void *inputBuffer, void *outputBuffer, + unsigned long framesPerBuffer, + PaTimestamp outTime, void *userData ) +{ + paTestData *data = (paTestData*)userData; + short *out = (short*)outputBuffer; + int i; + int finished = 0; + (void) outTime; /* Prevent unused variable warnings. */ + (void) inputBuffer; + + if( data->framesToGo < framesPerBuffer ) finished = 1; + + for( i=0; i +#include +#include "portaudio.h" +#include "pa_host.h" + +/*******************************************************************/ +int main(void); +int main(void) +{ + long max,min; + int i; + + for( i=0; i<10000; i++ ) + { + long dither = PaConvert_TriangularDither(); + // printf("dither = 0x%08X\n", dither ); + if( dither < min ) min = dither; + else if( dither > max ) max = dither; + } + printf("min = 0x%08X = %d, max = 0x%08X = %d\n", min, min, max, max ); +} diff --git a/pa_tests/debug_sine_amp.c b/pa_tests/debug_sine_amp.c new file mode 100644 index 0000000..ceaf572 --- /dev/null +++ b/pa_tests/debug_sine_amp.c @@ -0,0 +1,157 @@ +/* + * $Id$ + * Play a different sine wave on each channels, + * using the Portable Audio api. + * Allos amplitude to be set interactively. + * + * 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 +#include +#include "portaudio.h" + +#define OUTPUT_DEVICE (Pa_GetDefaultOutputDeviceID()) +#define SAMPLE_RATE (44100) +#define FRAMES_PER_BUFFER (256) +#define FREQ_INCR (300.0 / SAMPLE_RATE) +#define MAX_CHANNELS (64) + +#ifndef M_PI +#define M_PI (3.14159265) +#endif + +typedef struct +{ + int numChannels; + double phases[MAX_CHANNELS]; + float amplitude; +} +paTestData; + +/* This routine will be called by the PortAudio engine when audio is needed. +** It may 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 patestCallback( void *inputBuffer, void *outputBuffer, + unsigned long framesPerBuffer, + PaTimestamp outTime, void *userData ) +{ + paTestData *data = (paTestData*)userData; + float *out = (float*)outputBuffer; + int frameIndex, channelIndex; + (void) outTime; /* Prevent unused variable warnings. */ + (void) inputBuffer; + + for( frameIndex=0; frameIndex<(int)framesPerBuffer; frameIndex++ ) + { + for( channelIndex=0; channelIndexnumChannels; channelIndex++ ) + { + /* Output sine wave on every channel. */ + *out++ = (float) ( data->amplitude * sin(data->phases[channelIndex]) ); + + /* Play each channel at a higher frequency. */ + data->phases[channelIndex] += FREQ_INCR * (4 + channelIndex); + if( data->phases[channelIndex] >= (2.0 * M_PI) ) data->phases[channelIndex] -= (2.0 * M_PI); + } + } + + return 0; +} +/*******************************************************************/ +int main(void); +int main(void) +{ + char pad[256]; + PortAudioStream *stream; + PaError err; + const PaDeviceInfo *pdi; + paTestData data = {0}; + printf("PortAudio Test: output sine wave on each channel.\n" ); + + err = Pa_Initialize(); + if( err != paNoError ) goto error; + + pdi = Pa_GetDeviceInfo( OUTPUT_DEVICE ); + data.numChannels = pdi->maxOutputChannels; + if( data.numChannels > MAX_CHANNELS ) data.numChannels = MAX_CHANNELS; + printf("Number of Channels = %d\n", data.numChannels ); + data.amplitude = 1.0; + + err = Pa_OpenStream( + &stream, + paNoDevice, /* default input device */ + 0, /* no input */ + paFloat32, /* 32 bit floating point input */ + NULL, + OUTPUT_DEVICE, + data.numChannels, + paFloat32, /* 32 bit floating point output */ + 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 */ + patestCallback, + &data ); + if( err != paNoError ) goto error; + + err = Pa_StartStream( stream ); + if( err != paNoError ) goto error; + + do + { + printf("Current amplitude = %f\n", data.amplitude ); + printf("Enter new amplitude or 'q' to quit.\n"); + fflush(stdout); + gets( pad ); + if( pad[0] != 'q' ) + { + // I tried to use atof but it seems to be broken on Mac OS X 10.1 + float amp; + sscanf( pad, "%f", & ); + data.amplitude = amp; + } + } while( pad[0] != 'q' ); + + err = Pa_StopStream( stream ); + if( err != paNoError ) goto error; + + Pa_CloseStream( stream ); + Pa_Terminate(); + printf("Test finished.\n"); + return err; +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 ) ); + return err; +} diff --git a/pa_tests/debug_sine_formats.c b/pa_tests/debug_sine_formats.c new file mode 100644 index 0000000..a1fce56 --- /dev/null +++ b/pa_tests/debug_sine_formats.c @@ -0,0 +1,202 @@ +/* + * $Id$ + * patest_sine_formats.c + * Play a sine wave using the Portable Audio api for several seconds. + * Test various data formats. + * + * Author: Phil Burk + * + * This program uses the PortAudio Portable Audio Library. + * For more information see: http://www.audiomulch.com/portaudio/ + * 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 +#include +#include "portaudio.h" + +#define NUM_SECONDS (10) +#define SAMPLE_RATE (44100) +#define FRAMES_PER_BUFFER (256) + +#define LEFT_FREQ (SAMPLE_RATE/512.0) /* So we hit 1.0 */ +#define RIGHT_FREQ (500.0) + +#define AMPLITUDE (1.0) + +/* Select ONE format for testing. */ +#define TEST_UINT8 (1) +#define TEST_INT8 (0) +#define TEST_INT16 (0) +#define TEST_FLOAT32 (0) + +#if TEST_UINT8 +#define TEST_FORMAT paUInt8 +typedef unsigned char SAMPLE_t; +#define SAMPLE_ZERO (0x80) +#define DOUBLE_TO_SAMPLE(x) (SAMPLE_ZERO + (SAMPLE_t)(127.0 * (x))) +#define FORMAT_NAME "Unsigned 8 Bit" + +#elif TEST_INT8 +#define TEST_FORMAT paInt8 +typedef char SAMPLE_t; +#define SAMPLE_ZERO (0) +#define DOUBLE_TO_SAMPLE(x) (SAMPLE_ZERO + (SAMPLE_t)(127.0 * (x))) +#define FORMAT_NAME "Signed 8 Bit" + +#elif TEST_INT16 +#define TEST_FORMAT paInt16 +typedef short SAMPLE_t; +#define SAMPLE_ZERO (0) +#define DOUBLE_TO_SAMPLE(x) (SAMPLE_ZERO + (SAMPLE_t)(32767 * (x))) +#define FORMAT_NAME "Signed 16 Bit" + +#elif TEST_FLOAT32 +#define TEST_FORMAT paFloat32 +typedef float SAMPLE_t; +#define SAMPLE_ZERO (0.0) +#define DOUBLE_TO_SAMPLE(x) ((SAMPLE_t)(x)) +#define FORMAT_NAME "Float 32 Bit" +#endif + +#ifndef M_PI +#define M_PI (3.14159265) +#endif + + +typedef struct +{ + double left_phase; + double right_phase; + unsigned int framesToGo; +} +paTestData; +/* This routine will be called by the PortAudio engine when audio is needed. +** It may 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 patestCallback( void *inputBuffer, void *outputBuffer, + unsigned long framesPerBuffer, + PaTimestamp outTime, void *userData ) +{ + paTestData *data = (paTestData*)userData; + SAMPLE_t *out = (SAMPLE_t *)outputBuffer; + SAMPLE_t sample; + int i; + int framesToCalc; + int finished = 0; + (void) outTime; /* Prevent unused variable warnings. */ + (void) inputBuffer; + + if( data->framesToGo < framesPerBuffer ) + { + framesToCalc = data->framesToGo; + data->framesToGo = 0; + finished = 1; + } + else + { + framesToCalc = framesPerBuffer; + data->framesToGo -= framesPerBuffer; + } + + for( i=0; ileft_phase += (LEFT_FREQ / SAMPLE_RATE); + if( data->left_phase > 1.0) data->left_phase -= 1.0; + sample = DOUBLE_TO_SAMPLE( AMPLITUDE * sin( (data->left_phase * M_PI * 2. ))); /**/ + *out++ = sample; +/* *out++ = sample; /**/ +/* *out++ = 0; /**/ + + data->right_phase += (RIGHT_FREQ / SAMPLE_RATE); + if( data->right_phase > 1.0) data->right_phase -= 1.0; + *out++ = DOUBLE_TO_SAMPLE( AMPLITUDE * sin( (data->right_phase * M_PI * 2. ))); /**/ +/* *out++ = 0; /* */ + } + /* zero remainder of final buffer */ + for( ; i<(int)framesPerBuffer; i++ ) + { + *out++ = SAMPLE_ZERO; /* left */ + *out++ = SAMPLE_ZERO; /* right */ + } + return finished; +} +/*******************************************************************/ +int main(void); +int main(void) +{ + PortAudioStream *stream; + PaError err; + paTestData data; + int totalSamps; + + printf("PortAudio Test: output " FORMAT_NAME "\n"); + + + data.left_phase = data.right_phase = 0.0; + data.framesToGo = totalSamps = NUM_SECONDS * SAMPLE_RATE; /* Play for a few seconds. */ + err = Pa_Initialize(); + if( err != paNoError ) goto error; + + err = Pa_OpenStream( + &stream, + paNoDevice,/* default input device */ + 0, /* no input */ + TEST_FORMAT, + NULL, + Pa_GetDefaultOutputDeviceID(), /* default output device */ + 2, /* stereo output */ + TEST_FORMAT, + NULL, + SAMPLE_RATE, + 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 */ + patestCallback, + &data ); + if( err != paNoError ) goto error; + + err = Pa_StartStream( stream ); + if( err != paNoError ) goto error; + + printf("Waiting %d seconds for sound to finish.\n", NUM_SECONDS ); + while( Pa_StreamActive( stream ) ) Pa_Sleep(10); + + err = Pa_CloseStream( stream ); + if( err != paNoError ) goto error; + Pa_Terminate(); + + printf("PortAudio Test Finished: " FORMAT_NAME "\n"); + + return err; +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 ) ); + return err; +}