/** * 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., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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); } aluInitEffectPanning(slot); 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_INIT(&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); } }