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Add loopback target to Makefile.

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Fixes to loopback test for ALSA.
This commit is contained in:
philburk 2011-03-01 09:22:48 +00:00
commit 284a16cf4f
2 changed files with 38 additions and 21 deletions
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43
qa/loopback/src/paqa.c
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@ -284,8 +284,8 @@ static int RecordAndPlayBlockingIO( PaStream *inStream,
)
{
int i;
float *in = (float *)g_BigBuffer;
float *out = (float *)g_BigBuffer;
float *in = (float *)g_BigBuffer;
float *out = (float *)g_BigBuffer;
PaError err;
int done = 0;
long available;
@ -307,12 +307,12 @@ static int RecordAndPlayBlockingIO( PaStream *inStream,
}
// Save in a recording.
for( i=0; i<loopbackContext->test->inputParameters.channelCount; i++ )
for( i=0; i<loopbackContext->test->inputParameters.channelCount; i++ )
{
done |= PaQa_WriteRecording( &loopbackContext->recordings[i],
in + i,
framesPerBuffer,
loopbackContext->test->inputParameters.channelCount );
in + i,
framesPerBuffer,
loopbackContext->test->inputParameters.channelCount );
}
// Synthesize audio.
@ -322,9 +322,9 @@ static int RecordAndPlayBlockingIO( PaStream *inStream,
for( i=0; i<loopbackContext->test->outputParameters.channelCount; i++ )
{
PaQa_MixSine( &loopbackContext->generators[i],
out + i,
available,
loopbackContext->test->outputParameters.channelCount );
out + i,
available,
loopbackContext->test->outputParameters.channelCount );
}
// Write out audio.
@ -705,6 +705,8 @@ static void PaQa_SetDefaultTestParameters( TestParameters *testParamsPtr, PaDevi
static int PaQa_AnalyzeLoopbackConnection( UserOptions *userOptions, PaDeviceIndex inputDevice, PaDeviceIndex outputDevice, double expectedAmplitude )
{
int i;
int iFlags;
int iRate;
int iSize;
int totalBadChannels = 0;
TestParameters testParams;
@ -719,10 +721,10 @@ static int PaQa_AnalyzeLoopbackConnection( UserOptions *userOptions, PaDeviceInd
int flagSettings[] = { 0, 1 };
int numFlagSettings = (sizeof(flagSettings)/sizeof(int));
double sampleRates[] = { 8000.0, 11025.0, 16000.0, 22050.0, 32000.0, 44100.0, 48000.0, 96000.0 };
double sampleRates[] = { 44100.0, 48000.0, 8000.0, 11025.0, 16000.0, 22050.0, 32000.0, 96000.0 };
int numRates = (sizeof(sampleRates)/sizeof(double));
int framesPerBuffers[] = { 0, 16, 32, 40, 64, 100, 128, 512, 1024 };
int framesPerBuffers[] = { 256, 16, 32, 40, 64, 100, 128, 512, 1024 };
int numBufferSizes = (sizeof(framesPerBuffers)/sizeof(int));
// Check to see if a specific value was requested.
@ -749,7 +751,7 @@ static int PaQa_AnalyzeLoopbackConnection( UserOptions *userOptions, PaDeviceInd
printf("|-sRate-|-buffer-|-latency-|-channel results--------------------|\n");
// Loop though combinations of audio parameters.
testParams.framesPerBuffer = 128;
testParams.framesPerBuffer = framesPerBuffers[0];
for( iRate=0; iRate<numRates; iRate++ )
{
// SAMPLE RATE
@ -761,7 +763,7 @@ static int PaQa_AnalyzeLoopbackConnection( UserOptions *userOptions, PaDeviceInd
}
printf( "\n" );
testParams.sampleRate = 44100;
testParams.sampleRate = sampleRates[0];
testParams.maxFrames = (int) (1.2 * testParams.sampleRate);
for( iSize=0; iSize<numBufferSizes; iSize++ )
{
@ -839,9 +841,9 @@ int PaQa_CheckForLoopBack( PaDeviceIndex inputDevice, PaDeviceIndex outputDevice
startFrame, numFrames, NULL );
double magRightReverse = PaQa_CorrelateSine( &loopbackContext.recordings[1],
loopbackContext.generators[0].frequency,
testParams.sampleRate,
startFrame, numFrames, NULL );
loopbackContext.generators[0].frequency,
testParams.sampleRate,
startFrame, numFrames, NULL );
if ((magLeftReverse > 0.1) && (magRightReverse>minAmplitude))
{
@ -866,6 +868,7 @@ error:
*/
static int ScanForLoopback(UserOptions *userOptions)
{
PaDeviceIndex i,j;
int numLoopbacks = 0;
int numDevices;
numDevices = Pa_GetDeviceCount();
@ -881,7 +884,7 @@ static int ScanForLoopback(UserOptions *userOptions)
else if (userOptions->inputDevice >= 0)
{
// Just scan for output.
for( PaDeviceIndex i=0; i<numDevices; i++ )
for( i=0; i<numDevices; i++ )
{
int loopbackConnected = PaQa_CheckForLoopBack( userOptions->inputDevice, i );
if( loopbackConnected > 0 )
@ -894,7 +897,7 @@ static int ScanForLoopback(UserOptions *userOptions)
else if (userOptions->outputDevice >= 0)
{
// Just scan for input.
for( PaDeviceIndex i=0; i<numDevices; i++ )
for( i=0; i<numDevices; i++ )
{
int loopbackConnected = PaQa_CheckForLoopBack( i, userOptions->inputDevice );
if( loopbackConnected > 0 )
@ -907,9 +910,9 @@ static int ScanForLoopback(UserOptions *userOptions)
else
{
// Scan both.
for( PaDeviceIndex i=0; i<numDevices; i++ )
for( i=0; i<numDevices; i++ )
{
for( PaDeviceIndex j=0; j<numDevices; j++ )
for( j=0; j<numDevices; j++ )
{
int loopbackConnected = PaQa_CheckForLoopBack( i, j );
if( loopbackConnected > 0 )