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extended paqa loopback test output to print reported PaStreamInfo input, output and total latency

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This commit is contained in:
rossb 2011-08-11 14:37:41 +00:00
commit e49abeb2f2
1 changed files with 33 additions and 5 deletions
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38
qa/loopback/src/paqa.c
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@ -101,6 +101,10 @@ typedef struct LoopbackContext_s
// Record each channel individually.
PaQaRecording recordings[MAX_NUM_RECORDINGS];
// Reported by the stream after it's opened
PaTime streamInfoInputLatency;
PaTime streamInfoOutputLatency;
// Measured at runtime.
int callbackCount; // incremented for each callback
int inputBufferCount; // incremented if input buffer not NULL
@ -239,6 +243,15 @@ static int RecordAndPlaySinesCallback( const void *inputBuffer, void *outputBuff
return loopbackContext->done ? paComplete : paContinue;
}
static void CopyStreamInfoToLoopbackContext( LoopbackContext *loopbackContext, const PaStream *inputStream, const PaStream *outputStream )
{
PaStreamInfo *inputStreamInfo = Pa_GetStreamInfo( inputStream );
PaStreamInfo *outputStreamInfo = Pa_GetStreamInfo( outputStream );
loopbackContext->streamInfoInputLatency = inputStreamInfo ? inputStreamInfo->inputLatency : -1;
loopbackContext->streamInfoOutputLatency = outputStreamInfo ? outputStreamInfo->outputLatency : -1;
}
/*******************************************************************/
/**
* Open a full duplex audio stream.
@ -264,6 +277,8 @@ int PaQa_RunLoopbackFullDuplex( LoopbackContext *loopbackContext )
loopbackContext );
if( err != paNoError ) goto error;
CopyStreamInfoToLoopbackContext( loopbackContext, stream, stream );
err = Pa_StartStream( stream );
if( err != paNoError ) goto error;
@ -349,7 +364,9 @@ int PaQa_RunLoopbackHalfDuplex( LoopbackContext *loopbackContext )
RecordAndPlaySinesCallback,
loopbackContext );
if( err != paNoError ) goto error;
CopyStreamInfoToLoopbackContext( loopbackContext, inStream, outStream );
err = Pa_StartStream( inStream );
if( err != paNoError ) goto error;
@ -404,7 +421,7 @@ int PaQa_RunInputOnly( LoopbackContext *loopbackContext )
RecordAndPlaySinesCallback,
loopbackContext );
if( err != paNoError ) goto error;
err = Pa_StartStream( inStream );
if( err != paNoError ) goto error;
@ -535,6 +552,8 @@ int PaQa_RunLoopbackHalfDuplexBlockingIO( LoopbackContext *loopbackContext )
NULL );
if( err != paNoError ) goto error2;
CopyStreamInfoToLoopbackContext( loopbackContext, inStream, outStream );
err = Pa_StartStream( outStream );
if( err != paNoError ) goto error3;
@ -596,6 +615,8 @@ int PaQa_RunLoopbackFullDuplexBlockingIO( LoopbackContext *loopbackContext )
NULL );
if( err != paNoError ) goto error1;
CopyStreamInfoToLoopbackContext( loopbackContext, stream, stream );
err = Pa_StartStream( stream );
if( err != paNoError ) goto error2;
@ -780,7 +801,13 @@ static int PaQa_SingleLoopBackTest( UserOptions *userOptions, TestParameters *te
err = PaQa_RunLoopback( &loopbackContext );
QA_ASSERT_TRUE("loopback did not run", (loopbackContext.callbackCount > 1) );
printf( "%7.2f %7.2f %7.2f | ",
loopbackContext.streamInfoInputLatency * 1000.0,
loopbackContext.streamInfoOutputLatency * 1000.0,
(loopbackContext.streamInfoInputLatency + loopbackContext.streamInfoOutputLatency) * 1000.0
);
printf( "%4d/%4d/%4d, %4d/%4d/%4d | ",
loopbackContext.inputOverflowCount,
loopbackContext.inputUnderflowCount,
@ -957,8 +984,9 @@ static int PaQa_AnalyzeLoopbackConnection( UserOptions *userOptions, PaDeviceInd
testParams.flags = flagSettings[iFlags];
printf( "\n************ Mode = %s ************\n",
(( testParams.flags & 1 ) ? s_FlagOnNames[0] : s_FlagOffNames[0]) );
printf("|- requested -|- measured ------------------------------\n");
printf("|-sRate-|-fr/buf-|- over/under/calls for in, out -|- frm/buf -|-latency-|- channel results -\n");
printf("|- requested -|- stream info latency -|- measured ------------------------------\n");
printf("|-sRate-|-fr/buf-|- in - out - total -|- over/under/calls for in, out -|- frm/buf -|-latency-|- channel results -\n");
// Loop though various sample rates.
if( userOptions->sampleRate < 0 )