diff options
-rw-r--r-- | OpenAL32/alSource.c | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/OpenAL32/alSource.c b/OpenAL32/alSource.c index 8d7ab5e6..d707f226 100644 --- a/OpenAL32/alSource.c +++ b/OpenAL32/alSource.c @@ -2167,12 +2167,9 @@ AL_API ALvoid AL_APIENTRY alSourceQueueBuffers(ALuint src, ALsizei nb, const ALu /* Source is now streaming */ source->SourceType = AL_STREAMING; - if(!source->queue) - source->queue = BufferListStart; - else + if((BufferList=CompExchangePtr((XchgPtr*)&source->queue, NULL, BufferListStart)) != NULL) { - /* Append to the end of the queue */ - BufferList = source->queue; + /* Queue head is not NULL, append to the end of the queue */ while(BufferList->next != NULL) BufferList = BufferList->next; @@ -2191,6 +2188,7 @@ AL_API ALvoid AL_APIENTRY alSourceUnqueueBuffers(ALuint src, ALsizei nb, ALuint ALCcontext *context; ALsource *source; ALbufferlistitem *BufferList; + ALbufferlistitem *OldHead; ALsizei i; if(nb == 0) @@ -2222,30 +2220,31 @@ AL_API ALvoid AL_APIENTRY alSourceUnqueueBuffers(ALuint src, ALsizei nb, ALuint } /* Swap it, and cut the new head from the old. */ - BufferList = ExchangePtr((XchgPtr*)&source->queue, BufferList); - if(source->queue) + OldHead = ExchangePtr((XchgPtr*)&source->queue, BufferList); + if(BufferList) { LockContext(context); - source->queue->prev->next = NULL; - source->queue->prev = NULL; + BufferList->prev->next = NULL; + BufferList->prev = NULL; UnlockContext(context); } WriteUnlock(&source->queue_lock); - for(i = 0;BufferList != NULL;i++) + while(OldHead != NULL) { - ALbufferlistitem *next = BufferList->next; + ALbufferlistitem *next = OldHead->next; + ALbuffer *buffer = OldHead->buffer; - if(!BufferList->buffer) - buffers[i] = 0; + if(!buffer) + *(buffers++) = 0; else { - buffers[i] = BufferList->buffer->id; - DecrementRef(&BufferList->buffer->ref); + *(buffers++) = buffer->id; + DecrementRef(&buffer->ref); } - free(BufferList); - BufferList = next; + free(OldHead); + OldHead = next; } done: |