Update device parameters using a separate function
This commit is contained in:
Chris Robinson
@@ -815,6 +815,153 @@ ALCvoid alcSetError(ALCdevice *device, ALenum errorCode)
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}
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/* UpdateDeviceParams:
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*
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* Updates device parameters according to the attribute list.
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*/
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static ALCboolean UpdateDeviceParams(ALCdevice *device, const ALCint *attrList)
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{
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ALCuint freq, numMono, numStereo, numSends;
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ALboolean running;
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ALuint oldRate;
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ALuint attrIdx;
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ALuint i;
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// Check for attributes
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if(!attrList || !attrList[0])
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return ALC_TRUE;
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running = ((device->NumContexts > 0) ? AL_TRUE : AL_FALSE);
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oldRate = device->Frequency;
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// If a context is already running on the device, stop playback so the
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// device attributes can be updated
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if(running)
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{
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ProcessContext(NULL);
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ALCdevice_StopPlayback(device);
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SuspendContext(NULL);
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running = AL_FALSE;
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}
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freq = device->Frequency;
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numMono = device->NumMonoSources;
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numStereo = device->NumStereoSources;
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numSends = device->NumAuxSends;
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attrIdx = 0;
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while(attrList[attrIdx])
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{
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if(attrList[attrIdx] == ALC_FREQUENCY &&
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!ConfigValueExists(NULL, "frequency"))
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{
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freq = attrList[attrIdx + 1];
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if(freq < 8000)
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freq = 8000;
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}
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if(attrList[attrIdx] == ALC_STEREO_SOURCES)
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{
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numStereo = attrList[attrIdx + 1];
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if(numStereo > device->MaxNoOfSources)
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numStereo = device->MaxNoOfSources;
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numMono = device->MaxNoOfSources - numStereo;
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}
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if(attrList[attrIdx] == ALC_MAX_AUXILIARY_SENDS &&
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!ConfigValueExists(NULL, "sends"))
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{
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numSends = attrList[attrIdx + 1];
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if(numSends > MAX_SENDS)
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numSends = MAX_SENDS;
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}
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attrIdx += 2;
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}
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device->UpdateSize = (ALuint64)device->UpdateSize * freq /
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device->Frequency;
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device->Frequency = freq;
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device->NumMonoSources = numMono;
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device->NumStereoSources = numStereo;
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device->NumAuxSends = numSends;
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if(ALCdevice_ResetPlayback(device) == ALC_FALSE)
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return ALC_FALSE;
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aluInitPanning(device);
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// Scale the number of samples played according to the new sample rate
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device->SamplesPlayed *= device->Frequency;
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device->SamplesPlayed += oldRate-1;
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device->SamplesPlayed /= oldRate;
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for(i = 0;i < device->NumContexts;i++)
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{
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ALCcontext *context = device->Contexts[i];
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ALsizei pos;
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SuspendContext(context);
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for(pos = 0;pos < context->EffectSlotMap.size;pos++)
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{
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ALeffectslot *slot = context->EffectSlotMap.array[pos].value;
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if(ALEffect_DeviceUpdate(slot->EffectState, device) == AL_FALSE)
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{
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ProcessContext(context);
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return ALC_FALSE;
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}
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ALEffect_Update(slot->EffectState, context, &slot->effect);
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}
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for(pos = 0;pos < context->SourceMap.size;pos++)
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{
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ALsource *source = context->SourceMap.array[pos].value;
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ALuint s = device->NumAuxSends;
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while(s < MAX_SENDS)
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{
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if(source->Send[s].Slot)
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source->Send[s].Slot->refcount--;
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source->Send[s].Slot = NULL;
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source->Send[s].WetFilter.type = 0;
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source->Send[s].WetFilter.filter = 0;
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s++;
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}
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source->NeedsUpdate = AL_TRUE;
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}
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ProcessContext(context);
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}
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if(device->Bs2bLevel > 0 && device->Bs2bLevel <= 6)
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{
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if(!device->Bs2b)
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{
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device->Bs2b = calloc(1, sizeof(*device->Bs2b));
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bs2b_clear(device->Bs2b);
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}
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bs2b_set_srate(device->Bs2b, device->Frequency);
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bs2b_set_level(device->Bs2b, device->Bs2bLevel);
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}
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else
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{
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free(device->Bs2b);
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device->Bs2b = NULL;
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}
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if(aluChannelsFromFormat(device->Format) <= 2)
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{
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device->HeadDampen = GetConfigValueFloat(NULL, "head_dampen", DEFAULT_HEAD_DAMPEN);
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device->HeadDampen = __min(device->HeadDampen, 1.0f);
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device->HeadDampen = __max(device->HeadDampen, 0.0f);
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}
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else
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device->HeadDampen = 0.0f;
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return ALC_TRUE;
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}
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/*
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SuspendContext
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@@ -1478,11 +1625,7 @@ ALC_API ALCenum ALC_APIENTRY alcGetEnumValue(ALCdevice *device, const ALCchar *e
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ALC_API ALCcontext* ALC_APIENTRY alcCreateContext(ALCdevice *device, const ALCint *attrList)
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{
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ALCcontext *ALContext;
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ALboolean running;
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ALuint oldRate;
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ALuint attrIdx;
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void *temp;
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ALuint i;
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SuspendContext(NULL);
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@@ -1493,172 +1636,31 @@ ALC_API ALCcontext* ALC_APIENTRY alcCreateContext(ALCdevice *device, const ALCin
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return NULL;
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}
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running = ((device->NumContexts > 0) ? AL_TRUE : AL_FALSE);
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oldRate = device->Frequency;
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// Reset Context Last Error code
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device->LastError = ALC_NO_ERROR;
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// Check for attributes
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if(attrList && attrList[0])
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{
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ALCuint freq, numMono, numStereo, numSends;
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// If a context is already running on the device, stop playback so the
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// device attributes can be updated
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if(running)
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{
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ProcessContext(NULL);
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ALCdevice_StopPlayback(device);
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SuspendContext(NULL);
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running = AL_FALSE;
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}
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freq = device->Frequency;
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numMono = device->NumMonoSources;
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numStereo = device->NumStereoSources;
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numSends = device->NumAuxSends;
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attrIdx = 0;
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while(attrList[attrIdx])
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{
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if(attrList[attrIdx] == ALC_FREQUENCY &&
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!ConfigValueExists(NULL, "frequency"))
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{
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freq = attrList[attrIdx + 1];
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if(freq < 8000)
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freq = 8000;
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}
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if(attrList[attrIdx] == ALC_STEREO_SOURCES)
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{
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numStereo = attrList[attrIdx + 1];
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if(numStereo > device->MaxNoOfSources)
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numStereo = device->MaxNoOfSources;
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numMono = device->MaxNoOfSources - numStereo;
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}
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if(attrList[attrIdx] == ALC_MAX_AUXILIARY_SENDS &&
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!ConfigValueExists(NULL, "sends"))
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{
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numSends = attrList[attrIdx + 1];
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if(numSends > MAX_SENDS)
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numSends = MAX_SENDS;
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}
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attrIdx += 2;
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}
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device->UpdateSize = (ALuint64)device->UpdateSize * freq /
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device->Frequency;
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device->Frequency = freq;
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device->NumMonoSources = numMono;
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device->NumStereoSources = numStereo;
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device->NumAuxSends = numSends;
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}
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if(running != AL_FALSE)
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goto make_context;
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if(ALCdevice_ResetPlayback(device) == ALC_FALSE)
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if(UpdateDeviceParams(device, attrList) == ALC_FALSE)
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{
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alcSetError(device, ALC_INVALID_DEVICE);
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aluHandleDisconnect(device);
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ProcessContext(NULL);
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ALCdevice_StopPlayback(device);
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return NULL;
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}
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aluInitPanning(device);
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// Scale the number of samples played according to the new sample rate
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device->SamplesPlayed *= device->Frequency;
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device->SamplesPlayed += oldRate-1;
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device->SamplesPlayed /= oldRate;
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for(i = 0;i < device->NumContexts;i++)
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{
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ALCcontext *context = device->Contexts[i];
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ALsizei pos;
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SuspendContext(context);
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for(pos = 0;pos < context->EffectSlotMap.size;pos++)
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{
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ALeffectslot *slot = context->EffectSlotMap.array[pos].value;
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if(ALEffect_DeviceUpdate(slot->EffectState, device) == AL_FALSE)
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{
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alcSetError(device, ALC_INVALID_DEVICE);
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aluHandleDisconnect(device);
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ProcessContext(context);
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ProcessContext(NULL);
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ALCdevice_StopPlayback(device);
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return NULL;
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}
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ALEffect_Update(slot->EffectState, context, &slot->effect);
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}
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for(pos = 0;pos < context->SourceMap.size;pos++)
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{
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ALsource *source = context->SourceMap.array[pos].value;
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ALuint s = device->NumAuxSends;
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while(s < MAX_SENDS)
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{
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if(source->Send[s].Slot)
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source->Send[s].Slot->refcount--;
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source->Send[s].Slot = NULL;
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source->Send[s].WetFilter.type = 0;
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source->Send[s].WetFilter.filter = 0;
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s++;
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}
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source->NeedsUpdate = AL_TRUE;
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}
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ProcessContext(context);
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}
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if(device->Bs2bLevel > 0 && device->Bs2bLevel <= 6)
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{
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if(!device->Bs2b)
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{
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device->Bs2b = calloc(1, sizeof(*device->Bs2b));
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bs2b_clear(device->Bs2b);
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}
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bs2b_set_srate(device->Bs2b, device->Frequency);
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bs2b_set_level(device->Bs2b, device->Bs2bLevel);
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}
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else
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{
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free(device->Bs2b);
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device->Bs2b = NULL;
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}
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if(aluChannelsFromFormat(device->Format) <= 2)
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{
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device->HeadDampen = GetConfigValueFloat(NULL, "head_dampen", DEFAULT_HEAD_DAMPEN);
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device->HeadDampen = __min(device->HeadDampen, 1.0f);
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device->HeadDampen = __max(device->HeadDampen, 0.0f);
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}
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else
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device->HeadDampen = 0.0f;
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make_context:
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ALContext = NULL;
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temp = realloc(device->Contexts, (device->NumContexts+1) * sizeof(*device->Contexts));
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if(!temp)
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if(temp)
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{
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alcSetError(device, ALC_OUT_OF_MEMORY);
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ProcessContext(NULL);
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if(device->NumContexts == 0)
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ALCdevice_StopPlayback(device);
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return NULL;
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}
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device->Contexts = temp;
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device->Contexts = temp;
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ALContext = calloc(1, sizeof(ALCcontext));
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if(ALContext)
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{
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ALContext->MaxActiveSources = 256;
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ALContext->ActiveSources = malloc(sizeof(*ALContext->ActiveSources) *
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ALContext->MaxActiveSources);
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ALContext = calloc(1, sizeof(ALCcontext));
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if(ALContext)
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{
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ALContext->MaxActiveSources = 256;
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ALContext->ActiveSources = malloc(sizeof(ALContext->ActiveSources[0]) *
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ALContext->MaxActiveSources);
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}
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}
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if(!ALContext || !ALContext->ActiveSources)
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{
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