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New tests written when debugging pa_mac_core

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philburk 2002-03-21 00:44:35 +00:00
commit 3e603eba3e
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131
pa_tests/debug_convert.c Normal file
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/*
* $Id$
* Convert tagged values.
*
* Author: Phil Burk <philburk@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 <math.h>
#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<framesPerBuffer; i++ )
{
*out++ = 0x0000 + i; /* left */
*out++ = 0x1000 + i; /* right */
}
return finished;
}
/*******************************************************************/
int main(void);
int main(void)
{
PortAudioStream *stream;
PaError err;
paTestData data;
int i;
int totalSamps;
printf("PortAudio Test: output debug values\n" );
data.framesToGo = totalSamps = NUM_SECONDS * SAMPLE_RATE; /* Play for a few seconds. */
printf("totalSamps = %d\n", totalSamps );
err = Pa_Initialize();
if( err != paNoError ) goto error;
printf("PortAudio Test: output device = %d\n", OUTPUT_DEVICE );
err = Pa_OpenStream(
&stream,
paNoDevice,
0, /* no input */
paFloat32, /* 32 bit floating point input */
NULL,
OUTPUT_DEVICE,
2, /* stereo output */
paInt16, /* 32 bit floating point output */
NULL,
SAMPLE_RATE,
FRAMES_PER_BUFFER,
NUM_BUFFERS, /* number of buffers, if zero then use default minimum */
paClipOff|paDitherOff, /* 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("Is callback being called?\n");
for( i=0; i<((NUM_SECONDS+1)*1000); i+=SLEEP_DUR )
{
printf("data.framesToGo = %d\n", data.framesToGo ); fflush(stdout);
Pa_Sleep( SLEEP_DUR );
}
/* Stop sound until ENTER hit. */
printf("Call Pa_StopStream()\n");
err = Pa_StopStream( stream );
if( err != paNoError ) goto error;
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;
}

55
pa_tests/debug_dither_calc.c Normal file
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/*
* $Id$
* Test Dither calculations.
*
* 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 <math.h>
#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 );
}

157
pa_tests/debug_sine_amp.c Normal file
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/*
* $Id$
* 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 <stdio.h>
#include <math.h>
#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; channelIndex<data->numChannels; 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", &amp );
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;
}

202
pa_tests/debug_sine_formats.c Normal file
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/*
* $Id$
* 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 <stdio.h>
#include <math.h>
#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; i<framesToCalc; i++ )
{
data->left_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;
}