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AuroraOpenALSoft/OpenAL32/alAuxEffectSlot.c

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/**
* OpenAL cross platform audio library
* Copyright (C) 1999-2007 by authors.
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
* Or go to http://www.gnu.org/copyleft/lgpl.html
*/
#include "config.h"
#include <stdlib.h>
#include <math.h>
#include "AL/al.h"
#include "AL/alc.h"
#include "alMain.h"
#include "alAuxEffectSlot.h"
#include "alThunk.h"
#include "alError.h"
#include "alSource.h"
extern inline struct ALeffectslot *LookupEffectSlot(ALCcontext *context, ALuint id);
extern inline struct ALeffectslot *RemoveEffectSlot(ALCcontext *context, ALuint id);
static ALenum AddEffectSlotArray(ALCcontext *Context, ALeffectslot **start, ALsizei count);
static void RemoveEffectSlotArray(ALCcontext *Context, const ALeffectslot *slot);
static UIntMap EffectStateFactoryMap;
static inline ALeffectStateFactory *getFactoryByType(ALenum type)
{
ALeffectStateFactory* (*getFactory)(void) = LookupUIntMapKey(&EffectStateFactoryMap, type);
if(getFactory != NULL)
return getFactory();
return NULL;
}
AL_API ALvoid AL_APIENTRY alGenAuxiliaryEffectSlots(ALsizei n, ALuint *effectslots)
{
ALCcontext *context;
VECTOR(ALeffectslot*) slotvec;
ALsizei cur;
ALenum err;
context = GetContextRef();
if(!context) return;
VECTOR_INIT(slotvec);
if(!(n >= 0))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
if(!VECTOR_RESERVE(slotvec, n))
SET_ERROR_AND_GOTO(context, AL_OUT_OF_MEMORY, done);
for(cur = 0;cur < n;cur++)
{
ALeffectslot *slot = al_calloc(16, sizeof(ALeffectslot));
err = AL_OUT_OF_MEMORY;
if(!slot || (err=InitEffectSlot(slot)) != AL_NO_ERROR)
{
al_free(slot);
alDeleteAuxiliaryEffectSlots(cur, effectslots);
SET_ERROR_AND_GOTO(context, err, done);
}
err = NewThunkEntry(&slot->id);
if(err == AL_NO_ERROR)
err = InsertUIntMapEntry(&context->EffectSlotMap, slot->id, slot);
if(err != AL_NO_ERROR)
{
FreeThunkEntry(slot->id);
DELETE_OBJ(slot->EffectState);
al_free(slot);
alDeleteAuxiliaryEffectSlots(cur, effectslots);
SET_ERROR_AND_GOTO(context, err, done);
}
VECTOR_PUSH_BACK(slotvec, slot);
effectslots[cur] = slot->id;
}
err = AddEffectSlotArray(context, VECTOR_ITER_BEGIN(slotvec), n);
if(err != AL_NO_ERROR)
{
alDeleteAuxiliaryEffectSlots(cur, effectslots);
SET_ERROR_AND_GOTO(context, err, done);
}
done:
VECTOR_DEINIT(slotvec);
ALCcontext_DecRef(context);
}
AL_API ALvoid AL_APIENTRY alDeleteAuxiliaryEffectSlots(ALsizei n, const ALuint *effectslots)
{
ALCcontext *context;
ALeffectslot *slot;
ALsizei i;
context = GetContextRef();
if(!context) return;
if(!(n >= 0))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
for(i = 0;i < n;i++)
{
if((slot=LookupEffectSlot(context, effectslots[i])) == NULL)
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
if(ReadRef(&slot->ref) != 0)
SET_ERROR_AND_GOTO(context, AL_INVALID_OPERATION, done);
}
// All effectslots are valid
for(i = 0;i < n;i++)
{
if((slot=RemoveEffectSlot(context, effectslots[i])) == NULL)
continue;
FreeThunkEntry(slot->id);
RemoveEffectSlotArray(context, slot);
DELETE_OBJ(slot->EffectState);
memset(slot, 0, sizeof(*slot));
al_free(slot);
}
done:
ALCcontext_DecRef(context);
}
AL_API ALboolean AL_APIENTRY alIsAuxiliaryEffectSlot(ALuint effectslot)
{
ALCcontext *context;
ALboolean ret;
context = GetContextRef();
if(!context) return AL_FALSE;
ret = (LookupEffectSlot(context, effectslot) ? AL_TRUE : AL_FALSE);
ALCcontext_DecRef(context);
return ret;
}
AL_API ALvoid AL_APIENTRY alAuxiliaryEffectSloti(ALuint effectslot, ALenum param, ALint value)
{
ALCdevice *device;
ALCcontext *context;
ALeffectslot *slot;
ALeffect *effect = NULL;
ALenum err;
context = GetContextRef();
if(!context) return;
device = context->Device;
if((slot=LookupEffectSlot(context, effectslot)) == NULL)
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
switch(param)
{
case AL_EFFECTSLOT_EFFECT:
effect = (value ? LookupEffect(device, value) : NULL);
if(!(value == 0 || effect != NULL))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
err = InitializeEffect(device, slot, effect);
if(err != AL_NO_ERROR)
SET_ERROR_AND_GOTO(context, err, done);
ATOMIC_STORE(&context->UpdateSources, AL_TRUE);
break;
case AL_EFFECTSLOT_AUXILIARY_SEND_AUTO:
if(!(value == AL_TRUE || value == AL_FALSE))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
slot->AuxSendAuto = value;
ATOMIC_STORE(&context->UpdateSources, AL_TRUE);
break;
default:
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
done:
ALCcontext_DecRef(context);
}
AL_API ALvoid AL_APIENTRY alAuxiliaryEffectSlotiv(ALuint effectslot, ALenum param, const ALint *values)
{
ALCcontext *context;
switch(param)
{
case AL_EFFECTSLOT_EFFECT:
case AL_EFFECTSLOT_AUXILIARY_SEND_AUTO:
alAuxiliaryEffectSloti(effectslot, param, values[0]);
return;
}
context = GetContextRef();
if(!context) return;
if(LookupEffectSlot(context, effectslot) == NULL)
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
switch(param)
{
default:
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
done:
ALCcontext_DecRef(context);
}
AL_API ALvoid AL_APIENTRY alAuxiliaryEffectSlotf(ALuint effectslot, ALenum param, ALfloat value)
{
ALCcontext *context;
ALeffectslot *slot;
context = GetContextRef();
if(!context) return;
if((slot=LookupEffectSlot(context, effectslot)) == NULL)
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
switch(param)
{
case AL_EFFECTSLOT_GAIN:
if(!(value >= 0.0f && value <= 1.0f))
SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
slot->Gain = value;
ATOMIC_STORE(&slot->NeedsUpdate, AL_TRUE);
break;
default:
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
done:
ALCcontext_DecRef(context);
}
AL_API ALvoid AL_APIENTRY alAuxiliaryEffectSlotfv(ALuint effectslot, ALenum param, const ALfloat *values)
{
ALCcontext *context;
switch(param)
{
case AL_EFFECTSLOT_GAIN:
alAuxiliaryEffectSlotf(effectslot, param, values[0]);
return;
}
context = GetContextRef();
if(!context) return;
if(LookupEffectSlot(context, effectslot) == NULL)
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
switch(param)
{
default:
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
done:
ALCcontext_DecRef(context);
}
AL_API ALvoid AL_APIENTRY alGetAuxiliaryEffectSloti(ALuint effectslot, ALenum param, ALint *value)
{
ALCcontext *context;
ALeffectslot *slot;
context = GetContextRef();
if(!context) return;
if((slot=LookupEffectSlot(context, effectslot)) == NULL)
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
switch(param)
{
case AL_EFFECTSLOT_AUXILIARY_SEND_AUTO:
*value = slot->AuxSendAuto;
break;
default:
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
done:
ALCcontext_DecRef(context);
}
AL_API ALvoid AL_APIENTRY alGetAuxiliaryEffectSlotiv(ALuint effectslot, ALenum param, ALint *values)
{
ALCcontext *context;
switch(param)
{
case AL_EFFECTSLOT_EFFECT:
case AL_EFFECTSLOT_AUXILIARY_SEND_AUTO:
alGetAuxiliaryEffectSloti(effectslot, param, values);
return;
}
context = GetContextRef();
if(!context) return;
if(LookupEffectSlot(context, effectslot) == NULL)
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
switch(param)
{
default:
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
done:
ALCcontext_DecRef(context);
}
AL_API ALvoid AL_APIENTRY alGetAuxiliaryEffectSlotf(ALuint effectslot, ALenum param, ALfloat *value)
{
ALCcontext *context;
ALeffectslot *slot;
context = GetContextRef();
if(!context) return;
if((slot=LookupEffectSlot(context, effectslot)) == NULL)
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
switch(param)
{
case AL_EFFECTSLOT_GAIN:
*value = slot->Gain;
break;
default:
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
done:
ALCcontext_DecRef(context);
}
AL_API ALvoid AL_APIENTRY alGetAuxiliaryEffectSlotfv(ALuint effectslot, ALenum param, ALfloat *values)
{
ALCcontext *context;
switch(param)
{
case AL_EFFECTSLOT_GAIN:
alGetAuxiliaryEffectSlotf(effectslot, param, values);
return;
}
context = GetContextRef();
if(!context) return;
if(LookupEffectSlot(context, effectslot) == NULL)
SET_ERROR_AND_GOTO(context, AL_INVALID_NAME, done);
switch(param)
{
default:
SET_ERROR_AND_GOTO(context, AL_INVALID_ENUM, done);
}
done:
ALCcontext_DecRef(context);
}
static ALenum AddEffectSlotArray(ALCcontext *context, ALeffectslot **start, ALsizei count)
{
ALenum err = AL_NO_ERROR;
LockContext(context);
if(!VECTOR_INSERT(context->ActiveAuxSlots, VECTOR_ITER_END(context->ActiveAuxSlots), start, start+count))
err = AL_OUT_OF_MEMORY;
UnlockContext(context);
return err;
}
static void RemoveEffectSlotArray(ALCcontext *context, const ALeffectslot *slot)
{
ALeffectslot **iter;
LockContext(context);
#define MATCH_SLOT(_i) (slot == *(_i))
VECTOR_FIND_IF(iter, ALeffectslot*, context->ActiveAuxSlots, MATCH_SLOT);
if(iter != VECTOR_ITER_END(context->ActiveAuxSlots))
{
*iter = VECTOR_BACK(context->ActiveAuxSlots);
VECTOR_POP_BACK(context->ActiveAuxSlots);
}
#undef MATCH_SLOT
UnlockContext(context);
}
void InitEffectFactoryMap(void)
{
InitUIntMap(&EffectStateFactoryMap, ~0);
InsertUIntMapEntry(&EffectStateFactoryMap, AL_EFFECT_NULL, ALnullStateFactory_getFactory);
InsertUIntMapEntry(&EffectStateFactoryMap, AL_EFFECT_EAXREVERB, ALreverbStateFactory_getFactory);
InsertUIntMapEntry(&EffectStateFactoryMap, AL_EFFECT_REVERB, ALreverbStateFactory_getFactory);
InsertUIntMapEntry(&EffectStateFactoryMap, AL_EFFECT_AUTOWAH, ALautowahStateFactory_getFactory);
InsertUIntMapEntry(&EffectStateFactoryMap, AL_EFFECT_CHORUS, ALchorusStateFactory_getFactory);
InsertUIntMapEntry(&EffectStateFactoryMap, AL_EFFECT_COMPRESSOR, ALcompressorStateFactory_getFactory);
InsertUIntMapEntry(&EffectStateFactoryMap, AL_EFFECT_DISTORTION, ALdistortionStateFactory_getFactory);
InsertUIntMapEntry(&EffectStateFactoryMap, AL_EFFECT_ECHO, ALechoStateFactory_getFactory);
InsertUIntMapEntry(&EffectStateFactoryMap, AL_EFFECT_EQUALIZER, ALequalizerStateFactory_getFactory);
InsertUIntMapEntry(&EffectStateFactoryMap, AL_EFFECT_FLANGER, ALflangerStateFactory_getFactory);
InsertUIntMapEntry(&EffectStateFactoryMap, AL_EFFECT_RING_MODULATOR, ALmodulatorStateFactory_getFactory);
InsertUIntMapEntry(&EffectStateFactoryMap, AL_EFFECT_DEDICATED_DIALOGUE, ALdedicatedStateFactory_getFactory);
InsertUIntMapEntry(&EffectStateFactoryMap, AL_EFFECT_DEDICATED_LOW_FREQUENCY_EFFECT, ALdedicatedStateFactory_getFactory);
}
void DeinitEffectFactoryMap(void)
{
ResetUIntMap(&EffectStateFactoryMap);
}
ALenum InitializeEffect(ALCdevice *Device, ALeffectslot *EffectSlot, ALeffect *effect)
{
ALenum newtype = (effect ? effect->type : AL_EFFECT_NULL);
ALeffectStateFactory *factory;
if(newtype != EffectSlot->EffectType)
{
ALeffectState *State;
FPUCtl oldMode;
factory = getFactoryByType(newtype);
if(!factory)
{
ERR("Failed to find factory for effect type 0x%04x\n", newtype);
return AL_INVALID_ENUM;
}
State = V0(factory,create)();
if(!State)
return AL_OUT_OF_MEMORY;
SetMixerFPUMode(&oldMode);
ALCdevice_Lock(Device);
if(V(State,deviceUpdate)(Device) == AL_FALSE)
{
ALCdevice_Unlock(Device);
RestoreFPUMode(&oldMode);
DELETE_OBJ(State);
return AL_OUT_OF_MEMORY;
}
State = ExchangePtr((XchgPtr*)&EffectSlot->EffectState, State);
if(!effect)
{
memset(&EffectSlot->EffectProps, 0, sizeof(EffectSlot->EffectProps));
EffectSlot->EffectType = AL_EFFECT_NULL;
}
else
{
memcpy(&EffectSlot->EffectProps, &effect->Props, sizeof(effect->Props));
EffectSlot->EffectType = effect->type;
}
/* FIXME: This should be done asynchronously, but since the EffectState
* object was changed, it needs an update before its Process method can
* be called. */
ATOMIC_STORE(&EffectSlot->NeedsUpdate, AL_FALSE);
V(EffectSlot->EffectState,update)(Device, EffectSlot);
ALCdevice_Unlock(Device);
RestoreFPUMode(&oldMode);
DELETE_OBJ(State);
State = NULL;
}
else
{
if(effect)
{
ALCdevice_Lock(Device);
memcpy(&EffectSlot->EffectProps, &effect->Props, sizeof(effect->Props));
ALCdevice_Unlock(Device);
ATOMIC_STORE(&EffectSlot->NeedsUpdate, AL_TRUE);
}
}
return AL_NO_ERROR;
}
ALenum InitEffectSlot(ALeffectslot *slot)
{
ALeffectStateFactory *factory;
ALuint i, c;
slot->EffectType = AL_EFFECT_NULL;
factory = getFactoryByType(AL_EFFECT_NULL);
if(!(slot->EffectState=V0(factory,create)()))
return AL_OUT_OF_MEMORY;
slot->Gain = 1.0;
slot->AuxSendAuto = AL_TRUE;
ATOMIC_STORE_UNSAFE(&slot->NeedsUpdate, AL_FALSE);
for(c = 0;c < 1;c++)
{
for(i = 0;i < BUFFERSIZE;i++)
slot->WetBuffer[c][i] = 0.0f;
}
InitRef(&slot->ref, 0);
return AL_NO_ERROR;
}
ALvoid ReleaseALAuxiliaryEffectSlots(ALCcontext *Context)
{
ALsizei pos;
for(pos = 0;pos < Context->EffectSlotMap.size;pos++)
{
ALeffectslot *temp = Context->EffectSlotMap.array[pos].value;
Context->EffectSlotMap.array[pos].value = NULL;
DELETE_OBJ(temp->EffectState);
FreeThunkEntry(temp->id);
memset(temp, 0, sizeof(ALeffectslot));
al_free(temp);
}
}
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