105 lines
3.3 KiB
C
105 lines
3.3 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 <string.h>
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#include <ctype.h>
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#include "alError.h"
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#include "alMain.h"
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#include "alFilter.h"
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#include "alEffect.h"
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#include "alAuxEffectSlot.h"
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#include "alSource.h"
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#include "alBuffer.h"
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#include "AL/al.h"
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#include "AL/alc.h"
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const struct EffectList EffectList[] = {
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{ "eaxreverb", EAXREVERB, "AL_EFFECT_EAXREVERB", AL_EFFECT_EAXREVERB },
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{ "reverb", REVERB, "AL_EFFECT_REVERB", AL_EFFECT_REVERB },
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{ "autowah", AUTOWAH, "AL_EFFECT_AUTOWAH", AL_EFFECT_AUTOWAH },
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{ "chorus", CHORUS, "AL_EFFECT_CHORUS", AL_EFFECT_CHORUS },
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{ "compressor", COMPRESSOR, "AL_EFFECT_COMPRESSOR", AL_EFFECT_COMPRESSOR },
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{ "distortion", DISTORTION, "AL_EFFECT_DISTORTION", AL_EFFECT_DISTORTION },
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{ "echo", ECHO, "AL_EFFECT_ECHO", AL_EFFECT_ECHO },
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{ "equalizer", EQUALIZER, "AL_EFFECT_EQUALIZER", AL_EFFECT_EQUALIZER },
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{ "flanger", FLANGER, "AL_EFFECT_FLANGER", AL_EFFECT_FLANGER },
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{ "modulator", MODULATOR, "AL_EFFECT_RING_MODULATOR", AL_EFFECT_RING_MODULATOR },
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{ "dedicated", DEDICATED, "AL_EFFECT_DEDICATED_LOW_FREQUENCY_EFFECT", AL_EFFECT_DEDICATED_LOW_FREQUENCY_EFFECT },
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{ "dedicated", DEDICATED, "AL_EFFECT_DEDICATED_DIALOGUE", AL_EFFECT_DEDICATED_DIALOGUE },
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{ NULL, 0, NULL, (ALenum)0 }
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};
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AL_API ALboolean AL_APIENTRY alIsExtensionPresent(const ALchar *extName)
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{
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ALboolean ret = AL_FALSE;
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ALCcontext *context;
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const char *ptr;
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size_t len;
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context = GetContextRef();
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if(!context) return AL_FALSE;
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if(!(extName))
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SET_ERROR_AND_GOTO(context, AL_INVALID_VALUE, done);
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len = strlen(extName);
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ptr = context->ExtensionList;
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while(ptr && *ptr)
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{
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if(strncasecmp(ptr, extName, len) == 0 &&
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(ptr[len] == '\0' || isspace(ptr[len])))
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{
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ret = AL_TRUE;
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break;
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}
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if((ptr=strchr(ptr, ' ')) != NULL)
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{
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do {
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++ptr;
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} while(isspace(*ptr));
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}
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}
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done:
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ALCcontext_DecRef(context);
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return ret;
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}
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AL_API ALvoid* AL_APIENTRY alGetProcAddress(const ALchar *funcName)
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{
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if(!funcName)
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return NULL;
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return alcGetProcAddress(NULL, funcName);
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}
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AL_API ALenum AL_APIENTRY alGetEnumValue(const ALchar *enumName)
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{
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if(!enumName)
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return (ALenum)0;
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return alcGetEnumValue(NULL, enumName);
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}
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