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-rw-r--r--OpenAL32/alBuffer.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/OpenAL32/alBuffer.c b/OpenAL32/alBuffer.c
index 8f19ae0a..b9d3cd6d 100644
--- a/OpenAL32/alBuffer.c
+++ b/OpenAL32/alBuffer.c
@@ -1311,6 +1311,7 @@ static void DecodeMSADPCMBlock(ALshort *dst, const ALmsadpcm *src, ALint numchan
{
delta[i] = *(src++);
delta[i] |= *(src++) << 8;
+ delta[i] = (delta[i]^0x8000) - 0x8000;
}
for(i = 0;i < numchans;i++)
{