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audio: change output rate to 47340Hz, add resampler with small margin to elimiate pops/clicks due to output rate fluctuation

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output rate is picked such that 1024 samples at that rate equal exactly 710 samples at the SPU's output rate
This commit is contained in:
StapleButter
2017-12-11 18:41:05 +01:00
parent c639152541
commit 73bf4471ee
3 changed files with 51 additions and 11 deletions
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11
src/SPU.cpp
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@ -684,19 +684,26 @@ void Mix(u32 samples)
}
void ReadOutput(s16* data, int samples)
int ReadOutput(s16* data, int samples)
{
if (OutputReadOffset == OutputWriteOffset)
return 0;
for (int i = 0; i < samples; i++)
{
*data++ = OutputBuffer[OutputReadOffset];
*data++ = OutputBuffer[OutputReadOffset + 1];
if (OutputReadOffset != OutputWriteOffset)
//if (OutputReadOffset != OutputWriteOffset)
{
OutputReadOffset += 2;
OutputReadOffset &= ((2*OutputBufferSize)-1);
}
if (OutputReadOffset == OutputWriteOffset)
return i+1;
}
return samples;
}