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Reorganized code so that it is easier to test in a loop.

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This commit is contained in:
philburk 2002-05-02 20:15:40 +00:00
commit b5a2c9d6d8
1 changed files with 98 additions and 60 deletions
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166
pa_tests/debug_record.c
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@ -58,6 +58,7 @@ typedef struct
long frameIndex; /* Index into sample array. */
long maxFrameIndex;
long samplesPerFrame;
long numSamples;
SAMPLE *recordedSamples;
}
paTestData;
@ -155,41 +156,19 @@ static int playCallback( void *inputBuffer, void *outputBuffer,
}
return finished;
}
/*******************************************************************/
int main(void);
int main(void)
/****************************************************************/
PaError TestRecording( paTestData *dataPtr )
{
PortAudioStream *stream;
PaError err;
paTestData data;
long totalFrames;
long numSamples;
long numBytes;
long i;
printf("patest_record.c\n"); fflush(stdout);
data.frameIndex = 0;
data.samplesPerFrame = 2;
data.maxFrameIndex = totalFrames = NUM_SECONDS*SAMPLE_RATE;
printf("totalFrames = %d\n", totalFrames ); fflush(stdout);
numSamples = totalFrames * data.samplesPerFrame;
numBytes = 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<numSamples; i++ ) data.recordedSamples[i] = 0;
err = Pa_Initialize();
if( err != paNoError ) goto error;
int i;
/* Record some audio. */
err = Pa_OpenStream(
&stream,
Pa_GetDefaultInputDeviceID(),
data.samplesPerFrame, /* stereo input */
dataPtr->samplesPerFrame, /* stereo input */
PA_SAMPLE_TYPE,
NULL,
paNoDevice,
@ -201,7 +180,7 @@ int main(void)
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 );
dataPtr );
if( err != paNoError ) goto error;
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
@ -214,62 +193,35 @@ int main(void)
printf("Stream inactive!\n");
break;
}
if( data.maxFrameIndex <= data.frameIndex )
if( dataPtr->maxFrameIndex <= dataPtr->frameIndex )
{
printf("Buffer recording complete.\n");
break;
}
Pa_Sleep(100);
printf("index = %d\n", data.frameIndex ); fflush(stdout);
printf("index = %d\n", dataPtr->frameIndex ); fflush(stdout);
}
printf("Finished loop. Close stream.\n"); fflush(stdout);
err = Pa_CloseStream( stream );
if( err != paNoError ) goto error;
/* Playback recorded data. */
data.frameIndex = 0;
printf("Begin playback.\n"); fflush(stdout);
err = Pa_OpenStream(
&stream,
paNoDevice,
0, /* NO input */
PA_SAMPLE_TYPE,
NULL,
Pa_GetDefaultOutputDeviceID(),
data.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,
&data );
if( err != paNoError ) goto error;
err = Pa_StartStream( stream );
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++ )
{
Pa_Sleep(100);
printf("index = %d\n", data.frameIndex );
}
err = Pa_CloseStream( stream );
if( err != paNoError ) goto error;
printf("Done.\n"); fflush(stdout);
{
SAMPLE max = 0;
SAMPLE posVal;
int i;
for( i=0; i<numSamples; i++ )
for( i=0; i<dataPtr->numSamples; i++ )
{
posVal = data.recordedSamples[i];
posVal = dataPtr->recordedSamples[i];
if( posVal < 0 ) posVal = -posVal;
if( posVal > max ) max = posVal;
}
printf("Largest recorded sample = %d\n", max );
}
/* Write recorded data to a file. */
#if 1
#if 0
{
FILE *fid;
fid = fopen("recorded.raw", "wb");
@ -279,15 +231,101 @@ int main(void)
}
else
{
fwrite( data.recordedSamples, data.samplesPerFrame * sizeof(SAMPLE), totalFrames, fid );
fwrite( dataPtr->recordedSamples, dataPtr->samplesPerFrame * sizeof(SAMPLE), totalFrames, fid );
fclose( fid );
printf("Wrote data to 'recorded.raw'\n");
}
}
#endif
error:
return err;
}
/****************************************************************/
PaError TestPlayback( paTestData *dataPtr )
{
PortAudioStream *stream;
PaError err;
int i;
/* Playback recorded data. */
dataPtr->frameIndex = 0;
printf("Begin playback.\n"); fflush(stdout);
err = Pa_OpenStream(
&stream,
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( stream );
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++ )
{
Pa_Sleep(100);
printf("index = %d\n", dataPtr->frameIndex );
}
err = Pa_CloseStream( stream );
if( err != paNoError ) goto error;
error:
return err;
}
/*******************************************************************/
int main(void);
int main(void)
{
PaError err;
paTestData data;
long totalFrames;
long numBytes;
long i;
printf("patest_record.c\n"); fflush(stdout);
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;
for( i=0; i<2; i++ )
{
err = TestRecording( &data );
if( err != paNoError ) goto error;
err = TestPlayback( &data );
if( err != paNoError ) goto error;
}
free( data.recordedSamples );
Pa_Terminate();
return 0;
error:
Pa_Terminate();
fprintf( stderr, "An error occured while using the portaudio stream\n" );