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Fix for problem caused by silence processing that happens with Creative Audigy 2 driver.

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jthedering committed 2015-11-26 20:58:29 +00:00
1 parent 2d4995f0d8
commit 4561f0e2f0
1 file changed
+20 -1
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EqualizerAPO.cpp
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@@ -422,7 +422,26 @@ void EqualizerAPO::APOProcess(UINT32 u32NumInputConnections,
engine.process(outputFrames, inputFrames, ppInputConnections[0]->u32ValidFrameCount);
ppOutputConnections[0]->u32ValidFrameCount = ppInputConnections[0]->u32ValidFrameCount;
ppOutputConnections[0]->u32BufferFlags = BUFFER_VALID;
if (ppInputConnections[0]->u32BufferFlags == BUFFER_SILENT)
{
unsigned outputFrameCount = ppOutputConnections[0]->u32ValidFrameCount * engine.getOutputChannelCount();
boolean silent = true;
for (unsigned i = 0; i < outputFrameCount; i++)
{
if (outputFrames[i] != 0.0)
{
silent = false;
break;
}
}
// BUFFER_SILENT seems to be important for some sound card drivers, so only use BUFFER_VALID if there really is audio
ppOutputConnections[0]->u32BufferFlags = silent ? BUFFER_SILENT : BUFFER_VALID;
}
else
{
ppOutputConnections[0]->u32BufferFlags = BUFFER_VALID;
}
break;
}