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fix comment

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sanity checks
This commit is contained in:
Glenn Maynard
2004-08-27 04:53:00 +00:00
parent 45f1bac778
commit f4bfdbef94
1 changed files with 14 additions and 2 deletions
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stepmania/src/arch/Sound/DSoundHelpers.cpp
+14 -2
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@@ -269,6 +269,18 @@ DSoundBuf::DSoundBuf( DSound &ds, DSoundBuf::hw hardware,
buffersize = bcaps.dwBufferBytes;
writeahead = min( writeahead, buffersize );
}
if( !(bcaps.dwFlags & DSBCAPS_CTRLVOLUME) )
LOG->Warn( "Sound channel missing DSBCAPS_CTRLVOLUME" );
if( !(bcaps.dwFlags & DSBCAPS_GETCURRENTPOSITION2) )
LOG->Warn( "Sound channel missing DSBCAPS_GETCURRENTPOSITION2" );
DWORD got;
hr = buf->GetFormat( &waveformat, sizeof(waveformat), &got );
if( FAILED(hr) )
LOG->Warn( hr_ssprintf(hr, "GetFormat on secondary buffer") );
else if( (int) waveformat.nSamplesPerSec != samplerate )
LOG->Warn( "Secondary buffer set to %i instead of %i", waveformat.nSamplesPerSec, samplerate );
#endif
}
@@ -289,8 +301,8 @@ void DSoundBuf::SetVolume(float vol)
vol = 0.001f; // fix log10f(0) == -INF
float vl2 = log10f(vol) / log10f(2); /* vol log 2 */
/* Volume is a multiplier; SetVolume wants attenuation in thousands of a decibel. */
const int new_volume = max( int(1000 * vl2), DSBVOLUME_MIN );
/* Volume is a multiplier; SetVolume wants attenuation in hundredths of a decibel. */
const int new_volume = max( int(100 * vl2), DSBVOLUME_MIN );
if( volume == new_volume )
return;