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Fix ring buffer handling in pa_mac_core.c that caused many spurious paInputOverflow flags.

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Fixed size bug when input underflow detected. Code was confused between bytes and elements.
Zero out the beginning of a recording when detecting pops to prevent start of audio from looking like a pop in qa loopback test.
This commit is contained in:
philburk 2012-06-25 01:12:29 +00:00
commit b4a22b91ff
4 changed files with 55 additions and 42 deletions
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10
qa/loopback/src/audio_analyzer.c
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@ -514,9 +514,15 @@ void PaQa_FadeInRecording( PaQaRecording *recording, int startFrame, int count )
assert( startFrame >= 0 );
assert( count > 0 );
for( is=0; is<count; is++ )
/* Zero out initial part of the recording. */
for( is=0; is<startFrame; is++ )
{
recording->buffer[ is ] = 0.0f;
}
/* Fade in where signal begins. */
for( is=0; is<count; is++ )
{
double c = cos( phase );
double w = c * c;
float x = recording->buffer[ is + startFrame ];

4
qa/loopback/src/paqa.c
View file

@ -989,8 +989,8 @@ static int PaQa_AnalyzeLoopbackConnection( UserOptions *userOptions, PaDeviceInd
int framesPerBuffers[] = { 0, 16, 32, 40, 64, 100, 128, 256, 512, 1024 };
int numBufferSizes = (sizeof(framesPerBuffers)/sizeof(int));
PaSampleFormat sampleFormats[] = { paUInt8, paInt8, paInt16, paInt32 };
const char *sampleFormatNames[] = { "paUInt8", "paInt8", "paInt16", "paInt32" };
PaSampleFormat sampleFormats[] = { paFloat32, paUInt8, paInt8, paInt16, paInt32 };
const char *sampleFormatNames[] = { "paFloat32", "paUInt8", "paInt8", "paInt16", "paInt32" };
int numSampleFormats = (sizeof(sampleFormats)/sizeof(PaSampleFormat));
printf( "=============== Analysing Loopback %d to %d =====================\n", outputDevice, inputDevice );