diff options
| -rw-r--r-- | OpenAL32/alSource.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/OpenAL32/alSource.c b/OpenAL32/alSource.c index 38b287b4..f5b7111f 100644 --- a/OpenAL32/alSource.c +++ b/OpenAL32/alSource.c @@ -21,6 +21,7 @@ #include "config.h" #include <stdlib.h> +#include <limits.h> #include <math.h> #include <float.h> @@ -2949,6 +2950,7 @@ static ALboolean GetSampleOffset(ALsource *Source, ALuint *offset, ALuint *frac) { const ALbuffer *Buffer = NULL; const ALbufferlistitem *BufferList; + ALdouble dbloff, dblfrac; /* Find the first valid Buffer in the Queue */ BufferList = ATOMIC_LOAD(&Source->queue); @@ -2990,13 +2992,15 @@ static ALboolean GetSampleOffset(ALsource *Source, ALuint *offset, ALuint *frac) break; case AL_SAMPLE_OFFSET: - *offset = (ALuint)Source->Offset; - *frac = (ALuint)((Source->Offset - *offset) * FRACTIONONE); + dbloff = modf(Source->Offset, &dblfrac); + *offset = (ALuint)mind(dbloff, UINT_MAX); + *frac = (ALuint)mind(dblfrac*FRACTIONONE, FRACTIONONE-1.0); break; case AL_SEC_OFFSET: - *offset = (ALuint)(Source->Offset*Buffer->Frequency); - *frac = (ALuint)(((Source->Offset*Buffer->Frequency) - *offset) * FRACTIONONE); + dbloff = modf(Source->Offset*Buffer->Frequency, &dblfrac); + *offset = (ALuint)mind(dbloff, UINT_MAX); + *frac = (ALuint)mind(dblfrac*FRACTIONONE, FRACTIONONE-1.0); break; } Source->Offset = -1.0; |