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Check for clipping even when loopback devices specified.

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This commit is contained in:
philburk 2011-03-01 23:02:52 +00:00
commit c152ef3966
1 changed files with 13 additions and 18 deletions
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27
qa/loopback/src/paqa.c
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@ -641,7 +641,7 @@ static void PaQa_PrintFullErrorReport( PaQaAnalysisResult *analysisResultPtr, in
* Test loopback connection using the given parameters. * Test loopback connection using the given parameters.
* @return number of channels with glitches, or negative error. * @return number of channels with glitches, or negative error.
*/ */
static int PaQa_SingleLoopBackTest( UserOptions *userOptions, TestParameters *testParams, double expectedAmplitude ) static int PaQa_SingleLoopBackTest( UserOptions *userOptions, TestParameters *testParams )
{ {
int i; int i;
LoopbackContext loopbackContext; LoopbackContext loopbackContext;
@ -752,7 +752,7 @@ static void PaQa_SetDefaultTestParameters( TestParameters *testParamsPtr, PaDevi
* Run a series of tests on this loopback connection. * Run a series of tests on this loopback connection.
* @return number of bad channel results * @return number of bad channel results
*/ */
static int PaQa_AnalyzeLoopbackConnection( UserOptions *userOptions, PaDeviceIndex inputDevice, PaDeviceIndex outputDevice, double expectedAmplitude ) static int PaQa_AnalyzeLoopbackConnection( UserOptions *userOptions, PaDeviceIndex inputDevice, PaDeviceIndex outputDevice )
{ {
int iFlags; int iFlags;
int iRate; int iRate;
@ -807,7 +807,7 @@ static int PaQa_AnalyzeLoopbackConnection( UserOptions *userOptions, PaDeviceInd
testParams.sampleRate = sampleRates[iRate]; testParams.sampleRate = sampleRates[iRate];
testParams.maxFrames = (int) (1.2 * testParams.sampleRate); testParams.maxFrames = (int) (1.2 * testParams.sampleRate);
int numBadChannels = PaQa_SingleLoopBackTest( userOptions, &testParams, expectedAmplitude ); int numBadChannels = PaQa_SingleLoopBackTest( userOptions, &testParams );
totalBadChannels += numBadChannels; totalBadChannels += numBadChannels;
} }
printf( "\n" ); printf( "\n" );
@ -819,7 +819,7 @@ static int PaQa_AnalyzeLoopbackConnection( UserOptions *userOptions, PaDeviceInd
// BUFFER SIZE // BUFFER SIZE
testParams.framesPerBuffer = framesPerBuffers[iSize]; testParams.framesPerBuffer = framesPerBuffers[iSize];
int numBadChannels = PaQa_SingleLoopBackTest( userOptions, &testParams, expectedAmplitude ); int numBadChannels = PaQa_SingleLoopBackTest( userOptions, &testParams );
totalBadChannels += numBadChannels; totalBadChannels += numBadChannels;
} }
printf( "\n" ); printf( "\n" );
@ -862,7 +862,6 @@ int PaQa_CheckForClippedLoopback( LoopbackContext *loopbackContextPtr )
int PaQa_MeasureBackgroundNoise( LoopbackContext *loopbackContextPtr, double *rmsPtr ) int PaQa_MeasureBackgroundNoise( LoopbackContext *loopbackContextPtr, double *rmsPtr )
{ {
int result = 0; int result = 0;
TestParameters *testParamsPtr = loopbackContextPtr->test;
*rmsPtr = 0.0; *rmsPtr = 0.0;
// Rewind so we can record some input. // Rewind so we can record some input.
loopbackContextPtr->recordings[0].numFrames = 0; loopbackContextPtr->recordings[0].numFrames = 0;
@ -999,13 +998,12 @@ error:
* If there is a loopback connection then run the analysis. * If there is a loopback connection then run the analysis.
*/ */
static int CheckLoopbackAndScan( UserOptions *userOptions, static int CheckLoopbackAndScan( UserOptions *userOptions,
PaDeviceIndex iIn, PaDeviceIndex iOut, PaDeviceIndex iIn, PaDeviceIndex iOut )
double expectedAmplitude )
{ {
int loopbackConnected = PaQa_CheckForLoopBack( iIn, iOut ); int loopbackConnected = PaQa_CheckForLoopBack( iIn, iOut );
if( loopbackConnected > 0 ) if( loopbackConnected > 0 )
{ {
PaQa_AnalyzeLoopbackConnection( userOptions, iIn, iOut, expectedAmplitude ); PaQa_AnalyzeLoopbackConnection( userOptions, iIn, iOut );
return 1; return 1;
} }
return 0; return 0;
@ -1024,20 +1022,17 @@ static int ScanForLoopback(UserOptions *userOptions)
int numDevices; int numDevices;
numDevices = Pa_GetDeviceCount(); numDevices = Pa_GetDeviceCount();
double expectedAmplitude = 0.4;
// If both devices are specified then just use that combination. // If both devices are specified then just use that combination.
if ((userOptions->inputDevice >= 0) && (userOptions->outputDevice >= 0)) if ((userOptions->inputDevice >= 0) && (userOptions->outputDevice >= 0))
{ {
PaQa_AnalyzeLoopbackConnection( userOptions, userOptions->inputDevice, userOptions->outputDevice, expectedAmplitude ); numLoopbacks += CheckLoopbackAndScan( userOptions, userOptions->inputDevice, userOptions->outputDevice );
numLoopbacks += 1;
} }
else if (userOptions->inputDevice >= 0) else if (userOptions->inputDevice >= 0)
{ {
// Just scan for output. // Just scan for output.
for( iOut=0; iOut<numDevices; iOut++ ) for( iOut=0; iOut<numDevices; iOut++ )
{ {
numLoopbacks += CheckLoopbackAndScan( userOptions, userOptions->inputDevice, iOut, expectedAmplitude ); numLoopbacks += CheckLoopbackAndScan( userOptions, userOptions->inputDevice, iOut );
} }
} }
else if (userOptions->outputDevice >= 0) else if (userOptions->outputDevice >= 0)
@ -1045,7 +1040,7 @@ static int ScanForLoopback(UserOptions *userOptions)
// Just scan for input. // Just scan for input.
for( iIn=0; iIn<numDevices; iIn++ ) for( iIn=0; iIn<numDevices; iIn++ )
{ {
numLoopbacks += CheckLoopbackAndScan( userOptions, iIn, userOptions->outputDevice, expectedAmplitude ); numLoopbacks += CheckLoopbackAndScan( userOptions, iIn, userOptions->outputDevice );
} }
} }
else else
@ -1056,7 +1051,7 @@ static int ScanForLoopback(UserOptions *userOptions)
for( iIn=0; iIn<numDevices; iIn++ ) for( iIn=0; iIn<numDevices; iIn++ )
{ {
numLoopbacks += CheckLoopbackAndScan( userOptions, iIn, iOut, expectedAmplitude ); numLoopbacks += CheckLoopbackAndScan( userOptions, iIn, iOut );
} }
} }
} }
@ -1091,12 +1086,12 @@ int main( int argc, char **argv )
int justMath = 0; int justMath = 0;
printf("PortAudio LoopBack Test built " __DATE__ " at " __TIME__ "\n"); printf("PortAudio LoopBack Test built " __DATE__ " at " __TIME__ "\n");
// Process arguments. Skip name of executable.
memset(&userOptions, 0, sizeof(userOptions)); memset(&userOptions, 0, sizeof(userOptions));
userOptions.inputDevice = paNoDevice; userOptions.inputDevice = paNoDevice;
userOptions.outputDevice = paNoDevice; userOptions.outputDevice = paNoDevice;
userOptions.waveFilePath = "."; userOptions.waveFilePath = ".";
// Process arguments. Skip name of executable.
char *name = argv[0]; char *name = argv[0];
for( i=1; i<argc; i++ ) for( i=1; i<argc; i++ )
{ {