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-rw-r--r--Alc/ALc.c314
1 files changed, 158 insertions, 156 deletions
diff --git a/Alc/ALc.c b/Alc/ALc.c
index 5542c5b2..3bc7be78 100644
--- a/Alc/ALc.c
+++ b/Alc/ALc.c
@@ -815,6 +815,153 @@ ALCvoid alcSetError(ALCdevice *device, ALenum errorCode)
}
+/* UpdateDeviceParams:
+ *
+ * Updates device parameters according to the attribute list.
+ */
+static ALCboolean UpdateDeviceParams(ALCdevice *device, const ALCint *attrList)
+{
+ ALCuint freq, numMono, numStereo, numSends;
+ ALboolean running;
+ ALuint oldRate;
+ ALuint attrIdx;
+ ALuint i;
+
+ // Check for attributes
+ if(!attrList || !attrList[0])
+ return ALC_TRUE;
+
+ running = ((device->NumContexts > 0) ? AL_TRUE : AL_FALSE);
+ oldRate = device->Frequency;
+
+ // If a context is already running on the device, stop playback so the
+ // device attributes can be updated
+ if(running)
+ {
+ ProcessContext(NULL);
+ ALCdevice_StopPlayback(device);
+ SuspendContext(NULL);
+ running = AL_FALSE;
+ }
+
+ freq = device->Frequency;
+ numMono = device->NumMonoSources;
+ numStereo = device->NumStereoSources;
+ numSends = device->NumAuxSends;
+
+ attrIdx = 0;
+ while(attrList[attrIdx])
+ {
+ if(attrList[attrIdx] == ALC_FREQUENCY &&
+ !ConfigValueExists(NULL, "frequency"))
+ {
+ freq = attrList[attrIdx + 1];
+ if(freq < 8000)
+ freq = 8000;
+ }
+
+ if(attrList[attrIdx] == ALC_STEREO_SOURCES)
+ {
+ numStereo = attrList[attrIdx + 1];
+ if(numStereo > device->MaxNoOfSources)
+ numStereo = device->MaxNoOfSources;
+
+ numMono = device->MaxNoOfSources - numStereo;
+ }
+
+ if(attrList[attrIdx] == ALC_MAX_AUXILIARY_SENDS &&
+ !ConfigValueExists(NULL, "sends"))
+ {
+ numSends = attrList[attrIdx + 1];
+ if(numSends > MAX_SENDS)
+ numSends = MAX_SENDS;
+ }
+
+ attrIdx += 2;
+ }
+
+ device->UpdateSize = (ALuint64)device->UpdateSize * freq /
+ device->Frequency;
+
+ device->Frequency = freq;
+ device->NumMonoSources = numMono;
+ device->NumStereoSources = numStereo;
+ device->NumAuxSends = numSends;
+ if(ALCdevice_ResetPlayback(device) == ALC_FALSE)
+ return ALC_FALSE;
+
+ aluInitPanning(device);
+
+ // Scale the number of samples played according to the new sample rate
+ device->SamplesPlayed *= device->Frequency;
+ device->SamplesPlayed += oldRate-1;
+ device->SamplesPlayed /= oldRate;
+
+ for(i = 0;i < device->NumContexts;i++)
+ {
+ ALCcontext *context = device->Contexts[i];
+ ALsizei pos;
+
+ SuspendContext(context);
+ for(pos = 0;pos < context->EffectSlotMap.size;pos++)
+ {
+ ALeffectslot *slot = context->EffectSlotMap.array[pos].value;
+
+ if(ALEffect_DeviceUpdate(slot->EffectState, device) == AL_FALSE)
+ {
+ ProcessContext(context);
+ return ALC_FALSE;
+ }
+ ALEffect_Update(slot->EffectState, context, &slot->effect);
+ }
+
+ for(pos = 0;pos < context->SourceMap.size;pos++)
+ {
+ ALsource *source = context->SourceMap.array[pos].value;
+ ALuint s = device->NumAuxSends;
+ while(s < MAX_SENDS)
+ {
+ if(source->Send[s].Slot)
+ source->Send[s].Slot->refcount--;
+ source->Send[s].Slot = NULL;
+ source->Send[s].WetFilter.type = 0;
+ source->Send[s].WetFilter.filter = 0;
+ s++;
+ }
+ source->NeedsUpdate = AL_TRUE;
+ }
+ ProcessContext(context);
+ }
+
+ if(device->Bs2bLevel > 0 && device->Bs2bLevel <= 6)
+ {
+ if(!device->Bs2b)
+ {
+ device->Bs2b = calloc(1, sizeof(*device->Bs2b));
+ bs2b_clear(device->Bs2b);
+ }
+ bs2b_set_srate(device->Bs2b, device->Frequency);
+ bs2b_set_level(device->Bs2b, device->Bs2bLevel);
+ }
+ else
+ {
+ free(device->Bs2b);
+ device->Bs2b = NULL;
+ }
+
+ if(aluChannelsFromFormat(device->Format) <= 2)
+ {
+ device->HeadDampen = GetConfigValueFloat(NULL, "head_dampen", DEFAULT_HEAD_DAMPEN);
+ device->HeadDampen = __min(device->HeadDampen, 1.0f);
+ device->HeadDampen = __max(device->HeadDampen, 0.0f);
+ }
+ else
+ device->HeadDampen = 0.0f;
+
+ return ALC_TRUE;
+}
+
+
/*
SuspendContext
@@ -1478,11 +1625,7 @@ ALC_API ALCenum ALC_APIENTRY alcGetEnumValue(ALCdevice *device, const ALCchar *e
ALC_API ALCcontext* ALC_APIENTRY alcCreateContext(ALCdevice *device, const ALCint *attrList)
{
ALCcontext *ALContext;
- ALboolean running;
- ALuint oldRate;
- ALuint attrIdx;
void *temp;
- ALuint i;
SuspendContext(NULL);
@@ -1493,172 +1636,31 @@ ALC_API ALCcontext* ALC_APIENTRY alcCreateContext(ALCdevice *device, const ALCin
return NULL;
}
- running = ((device->NumContexts > 0) ? AL_TRUE : AL_FALSE);
- oldRate = device->Frequency;
-
// Reset Context Last Error code
device->LastError = ALC_NO_ERROR;
- // Check for attributes
- if(attrList && attrList[0])
- {
- ALCuint freq, numMono, numStereo, numSends;
-
- // If a context is already running on the device, stop playback so the
- // device attributes can be updated
- if(running)
- {
- ProcessContext(NULL);
- ALCdevice_StopPlayback(device);
- SuspendContext(NULL);
- running = AL_FALSE;
- }
-
- freq = device->Frequency;
- numMono = device->NumMonoSources;
- numStereo = device->NumStereoSources;
- numSends = device->NumAuxSends;
-
- attrIdx = 0;
- while(attrList[attrIdx])
- {
- if(attrList[attrIdx] == ALC_FREQUENCY &&
- !ConfigValueExists(NULL, "frequency"))
- {
- freq = attrList[attrIdx + 1];
- if(freq < 8000)
- freq = 8000;
- }
-
- if(attrList[attrIdx] == ALC_STEREO_SOURCES)
- {
- numStereo = attrList[attrIdx + 1];
- if(numStereo > device->MaxNoOfSources)
- numStereo = device->MaxNoOfSources;
-
- numMono = device->MaxNoOfSources - numStereo;
- }
-
- if(attrList[attrIdx] == ALC_MAX_AUXILIARY_SENDS &&
- !ConfigValueExists(NULL, "sends"))
- {
- numSends = attrList[attrIdx + 1];
- if(numSends > MAX_SENDS)
- numSends = MAX_SENDS;
- }
-
- attrIdx += 2;
- }
-
- device->UpdateSize = (ALuint64)device->UpdateSize * freq /
- device->Frequency;
-
- device->Frequency = freq;
- device->NumMonoSources = numMono;
- device->NumStereoSources = numStereo;
- device->NumAuxSends = numSends;
- }
-
- if(running != AL_FALSE)
- goto make_context;
-
- if(ALCdevice_ResetPlayback(device) == ALC_FALSE)
+ if(UpdateDeviceParams(device, attrList) == ALC_FALSE)
{
alcSetError(device, ALC_INVALID_DEVICE);
aluHandleDisconnect(device);
ProcessContext(NULL);
+ ALCdevice_StopPlayback(device);
return NULL;
}
- aluInitPanning(device);
-
- // Scale the number of samples played according to the new sample rate
- device->SamplesPlayed *= device->Frequency;
- device->SamplesPlayed += oldRate-1;
- device->SamplesPlayed /= oldRate;
- for(i = 0;i < device->NumContexts;i++)
+ ALContext = NULL;
+ temp = realloc(device->Contexts, (device->NumContexts+1) * sizeof(*device->Contexts));
+ if(temp)
{
- ALCcontext *context = device->Contexts[i];
- ALsizei pos;
+ device->Contexts = temp;
- SuspendContext(context);
- for(pos = 0;pos < context->EffectSlotMap.size;pos++)
+ ALContext = calloc(1, sizeof(ALCcontext));
+ if(ALContext)
{
- ALeffectslot *slot = context->EffectSlotMap.array[pos].value;
-
- if(ALEffect_DeviceUpdate(slot->EffectState, device) == AL_FALSE)
- {
- alcSetError(device, ALC_INVALID_DEVICE);
- aluHandleDisconnect(device);
- ProcessContext(context);
- ProcessContext(NULL);
- ALCdevice_StopPlayback(device);
- return NULL;
- }
- ALEffect_Update(slot->EffectState, context, &slot->effect);
+ ALContext->MaxActiveSources = 256;
+ ALContext->ActiveSources = malloc(sizeof(ALContext->ActiveSources[0]) *
+ ALContext->MaxActiveSources);
}
-
- for(pos = 0;pos < context->SourceMap.size;pos++)
- {
- ALsource *source = context->SourceMap.array[pos].value;
- ALuint s = device->NumAuxSends;
- while(s < MAX_SENDS)
- {
- if(source->Send[s].Slot)
- source->Send[s].Slot->refcount--;
- source->Send[s].Slot = NULL;
- source->Send[s].WetFilter.type = 0;
- source->Send[s].WetFilter.filter = 0;
- s++;
- }
- source->NeedsUpdate = AL_TRUE;
- }
- ProcessContext(context);
- }
-
- if(device->Bs2bLevel > 0 && device->Bs2bLevel <= 6)
- {
- if(!device->Bs2b)
- {
- device->Bs2b = calloc(1, sizeof(*device->Bs2b));
- bs2b_clear(device->Bs2b);
- }
- bs2b_set_srate(device->Bs2b, device->Frequency);
- bs2b_set_level(device->Bs2b, device->Bs2bLevel);
- }
- else
- {
- free(device->Bs2b);
- device->Bs2b = NULL;
- }
-
- if(aluChannelsFromFormat(device->Format) <= 2)
- {
- device->HeadDampen = GetConfigValueFloat(NULL, "head_dampen", DEFAULT_HEAD_DAMPEN);
- device->HeadDampen = __min(device->HeadDampen, 1.0f);
- device->HeadDampen = __max(device->HeadDampen, 0.0f);
- }
- else
- device->HeadDampen = 0.0f;
-
-make_context:
- temp = realloc(device->Contexts, (device->NumContexts+1) * sizeof(*device->Contexts));
- if(!temp)
- {
- alcSetError(device, ALC_OUT_OF_MEMORY);
- ProcessContext(NULL);
- if(device->NumContexts == 0)
- ALCdevice_StopPlayback(device);
- return NULL;
- }
- device->Contexts = temp;
-
- ALContext = calloc(1, sizeof(ALCcontext));
- if(ALContext)
- {
- ALContext->MaxActiveSources = 256;
- ALContext->ActiveSources = malloc(sizeof(*ALContext->ActiveSources) *
- ALContext->MaxActiveSources);
}
if(!ALContext || !ALContext->ActiveSources)
{
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-16 09:16:30 +0000