diff options
Diffstat (limited to 'OpenAL32/alSource.c')
-rw-r--r-- | OpenAL32/alSource.c | 91 |
1 files changed, 56 insertions, 35 deletions
diff --git a/OpenAL32/alSource.c b/OpenAL32/alSource.c index 1e221c73..8a578a5e 100644 --- a/OpenAL32/alSource.c +++ b/OpenAL32/alSource.c @@ -152,9 +152,9 @@ static ALboolean SetSourcefv(ALsource *Source, ALCcontext *Context, SrcFloatProp static ALboolean SetSourceiv(ALsource *Source, ALCcontext *Context, SrcIntProp prop, const ALint *values); static ALboolean SetSourcei64v(ALsource *Source, ALCcontext *Context, SrcIntProp prop, const ALint64SOFT *values); -static ALboolean GetSourcedv(const ALsource *Source, ALCcontext *Context, SrcFloatProp prop, ALdouble *values); -static ALboolean GetSourceiv(const ALsource *Source, ALCcontext *Context, SrcIntProp prop, ALint *values); -static ALboolean GetSourcei64v(const ALsource *Source, ALCcontext *Context, SrcIntProp prop, ALint64 *values); +static ALboolean GetSourcedv(ALsource *Source, ALCcontext *Context, SrcFloatProp prop, ALdouble *values); +static ALboolean GetSourceiv(ALsource *Source, ALCcontext *Context, SrcIntProp prop, ALint *values); +static ALboolean GetSourcei64v(ALsource *Source, ALCcontext *Context, SrcIntProp prop, ALint64 *values); static ALint FloatValsByProp(ALenum prop) { @@ -572,10 +572,10 @@ static ALboolean SetSourceiv(ALsource *Source, ALCcontext *Context, SrcIntProp p case AL_BUFFER: CHECKVAL(*values == 0 || (buffer=LookupBuffer(device, *values)) != NULL); - LockContext(Context); + WriteLock(&Source->queue_lock); if(!(Source->state == AL_STOPPED || Source->state == AL_INITIAL)) { - UnlockContext(Context); + WriteUnlock(&Source->queue_lock); SET_ERROR_AND_RETURN_VALUE(Context, AL_INVALID_OPERATION, AL_FALSE); } @@ -606,6 +606,7 @@ static ALboolean SetSourceiv(ALsource *Source, ALCcontext *Context, SrcIntProp p oldlist = ExchangePtr((XchgPtr*)&Source->queue, NULL); } Source->current_buffer = Source->queue; + WriteUnlock(&Source->queue_lock); /* Delete all elements in the previous queue */ while(oldlist != NULL) @@ -617,7 +618,6 @@ static ALboolean SetSourceiv(ALsource *Source, ALCcontext *Context, SrcIntProp p DecrementRef(&temp->buffer->ref); free(temp); } - UnlockContext(Context); return AL_TRUE; case siSourceState: @@ -853,7 +853,7 @@ static ALboolean SetSourcei64v(ALsource *Source, ALCcontext *Context, SrcIntProp #undef CHECKVAL -static ALboolean GetSourcedv(const ALsource *Source, ALCcontext *Context, SrcFloatProp prop, ALdouble *values) +static ALboolean GetSourcedv(ALsource *Source, ALCcontext *Context, SrcFloatProp prop, ALdouble *values) { ALdouble offsets[2]; ALdouble updateLen; @@ -905,11 +905,11 @@ static ALboolean GetSourcedv(const ALsource *Source, ALCcontext *Context, SrcFlo case AL_SEC_OFFSET: case AL_SAMPLE_OFFSET: case AL_BYTE_OFFSET: + ReadLock(&Source->queue_lock); LockContext(Context); - updateLen = (ALdouble)Context->Device->UpdateSize / - Context->Device->Frequency; - GetSourceOffsets(Source, prop, offsets, updateLen); + GetSourceOffsets(Source, prop, offsets, 0.0); UnlockContext(Context); + ReadUnlock(&Source->queue_lock); *values = offsets[0]; return AL_TRUE; @@ -931,19 +931,23 @@ static ALboolean GetSourcedv(const ALsource *Source, ALCcontext *Context, SrcFlo case AL_SAMPLE_RW_OFFSETS_SOFT: case AL_BYTE_RW_OFFSETS_SOFT: + ReadLock(&Source->queue_lock); LockContext(Context); updateLen = (ALdouble)Context->Device->UpdateSize / Context->Device->Frequency; GetSourceOffsets(Source, prop, values, updateLen); UnlockContext(Context); + ReadUnlock(&Source->queue_lock); return AL_TRUE; case AL_SEC_OFFSET_LATENCY_SOFT: + ReadLock(&Source->queue_lock); LockContext(Context); values[0] = GetSourceSecOffset(Source); values[1] = (ALdouble)ALCdevice_GetLatency(Context->Device) / 1000000000.0; UnlockContext(Context); + ReadUnlock(&Source->queue_lock); return AL_TRUE; case AL_POSITION: @@ -991,7 +995,7 @@ static ALboolean GetSourcedv(const ALsource *Source, ALCcontext *Context, SrcFlo SET_ERROR_AND_RETURN_VALUE(Context, AL_INVALID_ENUM, AL_FALSE); } -static ALboolean GetSourceiv(const ALsource *Source, ALCcontext *Context, SrcIntProp prop, ALint *values) +static ALboolean GetSourceiv(ALsource *Source, ALCcontext *Context, SrcIntProp prop, ALint *values) { ALbufferlistitem *BufferList; ALdouble dvals[3]; @@ -1008,11 +1012,11 @@ static ALboolean GetSourceiv(const ALsource *Source, ALCcontext *Context, SrcInt return AL_TRUE; case AL_BUFFER: - LockContext(Context); + ReadLock(&Source->queue_lock); BufferList = (Source->SourceType == AL_STATIC) ? Source->queue : Source->current_buffer; *values = (BufferList && BufferList->buffer) ? BufferList->buffer->id : 0; - UnlockContext(Context); + ReadUnlock(&Source->queue_lock); return AL_TRUE; case AL_SOURCE_STATE: @@ -1020,7 +1024,7 @@ static ALboolean GetSourceiv(const ALsource *Source, ALCcontext *Context, SrcInt return AL_TRUE; case AL_BUFFERS_QUEUED: - LockContext(Context); + ReadLock(&Source->queue_lock); if(!(BufferList=Source->queue)) *values = 0; else @@ -1031,11 +1035,11 @@ static ALboolean GetSourceiv(const ALsource *Source, ALCcontext *Context, SrcInt } while((BufferList=BufferList->next) != NULL); *values = count; } - UnlockContext(Context); + ReadUnlock(&Source->queue_lock); return AL_TRUE; case AL_BUFFERS_PROCESSED: - LockContext(Context); + ReadLock(&Source->queue_lock); if(Source->Looping || Source->SourceType != AL_STREAMING) { /* Buffers on a looping source are in a perpetual state of @@ -1053,7 +1057,7 @@ static ALboolean GetSourceiv(const ALsource *Source, ALCcontext *Context, SrcInt } *values = played; } - UnlockContext(Context); + ReadUnlock(&Source->queue_lock); return AL_TRUE; case AL_SOURCE_TYPE: @@ -1127,7 +1131,7 @@ static ALboolean GetSourceiv(const ALsource *Source, ALCcontext *Context, SrcInt SET_ERROR_AND_RETURN_VALUE(Context, AL_INVALID_ENUM, AL_FALSE); } -static ALboolean GetSourcei64v(const ALsource *Source, ALCcontext *Context, SrcIntProp prop, ALint64 *values) +static ALboolean GetSourcei64v(ALsource *Source, ALCcontext *Context, SrcIntProp prop, ALint64 *values) { ALdouble dvals[3]; ALint ivals[3]; @@ -1136,10 +1140,12 @@ static ALboolean GetSourcei64v(const ALsource *Source, ALCcontext *Context, SrcI switch(prop) { case AL_SAMPLE_OFFSET_LATENCY_SOFT: + ReadLock(&Source->queue_lock); LockContext(Context); values[0] = GetSourceOffset(Source); values[1] = ALCdevice_GetLatency(Context->Device); UnlockContext(Context); + ReadUnlock(&Source->queue_lock); return AL_TRUE; case AL_MAX_DISTANCE: @@ -2064,10 +2070,10 @@ AL_API ALvoid AL_APIENTRY alSourceQueueBuffers(ALuint src, ALsizei nb, const ALu if((source=LookupSource(context, src)) == NULL) SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done); - LockContext(context); + WriteLock(&source->queue_lock); if(source->SourceType == AL_STATIC) { - UnlockContext(context); + WriteUnlock(&source->queue_lock); /* Can't queue on a Static Source */ SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done); } @@ -2084,12 +2090,14 @@ AL_API ALvoid AL_APIENTRY alSourceQueueBuffers(ALuint src, ALsizei nb, const ALu BufferList = BufferList->next; } + LockContext(context); for(i = 0;i < nb;i++) { ALbuffer *buffer = NULL; if(buffers[i] && (buffer=LookupBuffer(device, buffers[i])) == NULL) { UnlockContext(context); + WriteUnlock(&source->queue_lock); SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done); } @@ -2126,6 +2134,7 @@ AL_API ALvoid AL_APIENTRY alSourceQueueBuffers(ALuint src, ALsizei nb, const ALu { ReadUnlock(&buffer->lock); UnlockContext(context); + WriteUnlock(&source->queue_lock); SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done); } ReadUnlock(&buffer->lock); @@ -2151,6 +2160,7 @@ AL_API ALvoid AL_APIENTRY alSourceQueueBuffers(ALuint src, ALsizei nb, const ALu BufferListStart = NULL; UnlockContext(context); + WriteUnlock(&source->queue_lock); done: while(BufferListStart) @@ -2185,7 +2195,8 @@ AL_API ALvoid AL_APIENTRY alSourceUnqueueBuffers(ALuint src, ALsizei nb, ALuint if((source=LookupSource(context, src)) == NULL) SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done); - LockContext(context); + WriteLock(&source->queue_lock); + /* Find the new buffer queue head */ BufferList = source->queue; for(i = 0;i < nb && BufferList;i++) { @@ -2195,29 +2206,37 @@ AL_API ALvoid AL_APIENTRY alSourceUnqueueBuffers(ALuint src, ALsizei nb, ALuint } if(source->Looping || source->SourceType != AL_STREAMING || i != nb) { - UnlockContext(context); + WriteUnlock(&source->queue_lock); /* Trying to unqueue pending buffers, or a buffer that wasn't queued. */ SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done); } - for(i = 0;i < nb;i++) + /* Swap it, and cut the new head from the old. */ + BufferList = ExchangePtr((XchgPtr*)&source->queue, BufferList); + if(source->queue) { - BufferList = source->queue; - source->queue = BufferList->next; + LockContext(context); + source->queue->prev->next = NULL; + source->queue->prev = NULL; + UnlockContext(context); + } + WriteUnlock(&source->queue_lock); - if(BufferList->buffer) + for(i = 0;BufferList != NULL;i++) + { + ALbufferlistitem *next = BufferList->next; + + if(!BufferList->buffer) + buffers[i] = 0; + else { buffers[i] = BufferList->buffer->id; DecrementRef(&BufferList->buffer->ref); } - else - buffers[i] = 0; free(BufferList); + BufferList = next; } - if(source->queue) - source->queue->prev = NULL; - UnlockContext(context); done: ALCcontext_DecRef(context); @@ -2228,6 +2247,8 @@ static ALvoid InitSourceParams(ALsource *Source) { ALuint i; + RWLockInit(&Source->queue_lock); + Source->InnerAngle = 360.0f; Source->OuterAngle = 360.0f; Source->Pitch = 1.0f; @@ -2285,6 +2306,7 @@ static ALvoid InitSourceParams(ALsource *Source) */ ALvoid SetSourceState(ALsource *Source, ALCcontext *Context, ALenum state) { + ReadLock(&Source->queue_lock); if(state == AL_PLAYING) { ALCdevice *device = Context->Device; @@ -2320,10 +2342,7 @@ ALvoid SetSourceState(ALsource *Source, ALCcontext *Context, ALenum state) /* If there's nothing to play, or device is disconnected, go right to * stopped */ if(!BufferList || !device->Connected) - { - SetSourceState(Source, Context, AL_STOPPED); - return; - } + goto do_stop; for(j = 0;j < Context->ActiveSourceCount;j++) { @@ -2381,6 +2400,7 @@ ALvoid SetSourceState(ALsource *Source, ALCcontext *Context, ALenum state) } else if(state == AL_STOPPED) { + do_stop: if(Source->state != AL_INITIAL) { Source->state = AL_STOPPED; @@ -2399,6 +2419,7 @@ ALvoid SetSourceState(ALsource *Source, ALCcontext *Context, ALenum state) } Source->Offset = -1.0; } + ReadUnlock(&Source->queue_lock); } /* GetSourceOffset |