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-rw-r--r--OpenAL32/alSource.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/OpenAL32/alSource.c b/OpenAL32/alSource.c
index aa2d5719..50217783 100644
--- a/OpenAL32/alSource.c
+++ b/OpenAL32/alSource.c
@@ -2106,15 +2106,12 @@ static ALboolean GetSourceOffset(ALsource *pSource, ALenum eName, ALfloat *pflOf
if ((eOriginalFormat == AL_FORMAT_MONO_IMA4) ||
(eOriginalFormat == AL_FORMAT_STEREO_IMA4))
{
- // Compression rate of the ADPCM supported is 3.6111 to 1
- readPos = (ALint)((ALfloat)readPos / 3.6111f);
- writePos = (ALint)((ALfloat)writePos / 3.6111f);
// Round down to nearest ADPCM block
- pflOffset[0] = (ALfloat)((readPos / (36 * lChannels)) * 36 * lChannels);
+ pflOffset[0] = (ALfloat)((readPos / (65 * 2 * lChannels)) * 36 * lChannels);
if(pSource->state == AL_PLAYING)
{
// Round up to nearest ADPCM block
- pflOffset[1] = (ALfloat)(((writePos + (36 * lChannels) - 1) / (36 * lChannels)) * 36 * lChannels);
+ pflOffset[1] = (ALfloat)(((writePos + (65 * 2 * lChannels) - 1) / (65 * 2 * lChannels)) * 36 * lChannels);
}
else
pflOffset[1] = pflOffset[0];