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