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Some sound optimizations

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This commit is contained in:
twinaphex 2012-10-20 05:39:53 +02:00
parent 731afdfbad
commit cbf9ae69f9
1 changed files with 0 additions and 66 deletions
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66
mednafen/mednafen.cpp
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@ -909,41 +909,6 @@ static void ProcessAudio(EmulateSpecStruct *espec)
int32 SoundBufSize = espec->SoundBufSize - espec->SoundBufSizeALMS;
const int32 SoundBufMaxSize = espec->SoundBufMaxSize - espec->SoundBufSizeALMS;
if(multiplier_save != LastSoundMultiplier)
{
ff_resampler.time_ratio(multiplier_save, 0.9965);
LastSoundMultiplier = multiplier_save;
}
if(multiplier_save != 1)
{
{
assert(ff_resampler.max_write() >= SoundBufSize * 2);
for(int i = 0; i < SoundBufSize; i++)
{
ff_resampler.buffer()[i * 2] = SoundBuf[i];
ff_resampler.buffer()[i * 2 + 1] = 0;
}
ff_resampler.write(SoundBufSize * 2);
int avail = ff_resampler.avail();
int real_read = std::min((int)(SoundBufMaxSize * MDFNGameInfo->soundchan), avail);
SoundBufSize = ff_resampler.read_mono_hack(SoundBuf, real_read );
avail -= real_read;
if(avail > 0)
{
printf("ff_resampler.avail() > espec->SoundBufMaxSize * MDFNGameInfo->soundchan - %d\n", avail);
ff_resampler.clear();
}
}
}
espec->SoundBufSize = espec->SoundBufSizeALMS + SoundBufSize;
} // end to: if(espec->SoundBuf && espec->SoundBufSize)
}
@ -959,37 +924,6 @@ static void ProcessAudio(EmulateSpecStruct *espec)
int32 SoundBufSize = espec->SoundBufSize - espec->SoundBufSizeALMS;
const int32 SoundBufMaxSize = espec->SoundBufMaxSize - espec->SoundBufSizeALMS;
if(multiplier_save != LastSoundMultiplier)
{
ff_resampler.time_ratio(multiplier_save, 0.9965);
LastSoundMultiplier = multiplier_save;
}
if(multiplier_save != 1)
{
{
assert(ff_resampler.max_write() >= SoundBufSize * 2);
for(int i = 0; i < SoundBufSize * 2; i++)
ff_resampler.buffer()[i] = SoundBuf[i];
ff_resampler.write(SoundBufSize * 2);
int avail = ff_resampler.avail();
int real_read = std::min((int)(SoundBufMaxSize * MDFNGameInfo->soundchan), avail);
SoundBufSize = ff_resampler.read(SoundBuf, real_read ) >> 1;
avail -= real_read;
if(avail > 0)
{
printf("ff_resampler.avail() > espec->SoundBufMaxSize * MDFNGameInfo->soundchan - %d\n", avail);
ff_resampler.clear();
}
}
}
espec->SoundBufSize = espec->SoundBufSizeALMS + SoundBufSize;
} // end to: if(espec->SoundBuf && espec->SoundBufSize)
}