399 lines
22 KiB
C
399 lines
22 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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typedef struct ALenums {
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const ALchar *enumName;
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ALenum value;
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} ALenums;
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static const ALenums enumeration[] = {
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// Types
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{ "AL_INVALID", AL_INVALID },
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{ "AL_NONE", AL_NONE },
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{ "AL_FALSE", AL_FALSE },
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{ "AL_TRUE", AL_TRUE },
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// Source and Listener Properties
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{ "AL_SOURCE_RELATIVE", AL_SOURCE_RELATIVE },
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{ "AL_CONE_INNER_ANGLE", AL_CONE_INNER_ANGLE },
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{ "AL_CONE_OUTER_ANGLE", AL_CONE_OUTER_ANGLE },
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{ "AL_PITCH", AL_PITCH },
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{ "AL_POSITION", AL_POSITION },
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{ "AL_DIRECTION", AL_DIRECTION },
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{ "AL_VELOCITY", AL_VELOCITY },
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{ "AL_LOOPING", AL_LOOPING },
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{ "AL_BUFFER", AL_BUFFER },
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{ "AL_GAIN", AL_GAIN },
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{ "AL_MIN_GAIN", AL_MIN_GAIN },
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{ "AL_MAX_GAIN", AL_MAX_GAIN },
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{ "AL_ORIENTATION", AL_ORIENTATION },
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{ "AL_REFERENCE_DISTANCE", AL_REFERENCE_DISTANCE },
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{ "AL_ROLLOFF_FACTOR", AL_ROLLOFF_FACTOR },
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{ "AL_CONE_OUTER_GAIN", AL_CONE_OUTER_GAIN },
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{ "AL_MAX_DISTANCE", AL_MAX_DISTANCE },
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{ "AL_SEC_OFFSET", AL_SEC_OFFSET },
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{ "AL_SAMPLE_OFFSET", AL_SAMPLE_OFFSET },
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{ "AL_SAMPLE_RW_OFFSETS_SOFT", AL_SAMPLE_RW_OFFSETS_SOFT },
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{ "AL_BYTE_OFFSET", AL_BYTE_OFFSET },
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{ "AL_BYTE_RW_OFFSETS_SOFT", AL_BYTE_RW_OFFSETS_SOFT },
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{ "AL_SOURCE_TYPE", AL_SOURCE_TYPE },
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{ "AL_STATIC", AL_STATIC },
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{ "AL_STREAMING", AL_STREAMING },
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{ "AL_UNDETERMINED", AL_UNDETERMINED },
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{ "AL_METERS_PER_UNIT", AL_METERS_PER_UNIT },
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{ "AL_VIRTUAL_CHANNELS_SOFT", AL_VIRTUAL_CHANNELS_SOFT },
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// Source EFX Properties
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{ "AL_DIRECT_FILTER", AL_DIRECT_FILTER },
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{ "AL_AUXILIARY_SEND_FILTER", AL_AUXILIARY_SEND_FILTER },
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{ "AL_AIR_ABSORPTION_FACTOR", AL_AIR_ABSORPTION_FACTOR },
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{ "AL_ROOM_ROLLOFF_FACTOR", AL_ROOM_ROLLOFF_FACTOR },
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{ "AL_CONE_OUTER_GAINHF", AL_CONE_OUTER_GAINHF },
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{ "AL_DIRECT_FILTER_GAINHF_AUTO", AL_DIRECT_FILTER_GAINHF_AUTO },
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{ "AL_AUXILIARY_SEND_FILTER_GAIN_AUTO", AL_AUXILIARY_SEND_FILTER_GAIN_AUTO },
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{ "AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO", AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO},
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// Source State information
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{ "AL_SOURCE_STATE", AL_SOURCE_STATE },
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{ "AL_INITIAL", AL_INITIAL },
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{ "AL_PLAYING", AL_PLAYING },
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{ "AL_PAUSED", AL_PAUSED },
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{ "AL_STOPPED", AL_STOPPED },
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// Queue information
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{ "AL_BUFFERS_QUEUED", AL_BUFFERS_QUEUED },
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{ "AL_BUFFERS_PROCESSED", AL_BUFFERS_PROCESSED },
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// Buffer Formats
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{ "AL_FORMAT_MONO8", AL_FORMAT_MONO8 },
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{ "AL_FORMAT_MONO16", AL_FORMAT_MONO16 },
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{ "AL_FORMAT_MONO_FLOAT32", AL_FORMAT_MONO_FLOAT32 },
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{ "AL_FORMAT_MONO_DOUBLE_EXT", AL_FORMAT_MONO_DOUBLE_EXT },
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{ "AL_FORMAT_STEREO8", AL_FORMAT_STEREO8 },
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{ "AL_FORMAT_STEREO16", AL_FORMAT_STEREO16 },
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{ "AL_FORMAT_STEREO_FLOAT32", AL_FORMAT_STEREO_FLOAT32 },
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{ "AL_FORMAT_STEREO_DOUBLE_EXT", AL_FORMAT_STEREO_DOUBLE_EXT },
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{ "AL_FORMAT_MONO_IMA4", AL_FORMAT_MONO_IMA4 },
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{ "AL_FORMAT_STEREO_IMA4", AL_FORMAT_STEREO_IMA4 },
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{ "AL_FORMAT_QUAD8_LOKI", AL_FORMAT_QUAD8_LOKI },
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{ "AL_FORMAT_QUAD16_LOKI", AL_FORMAT_QUAD16_LOKI },
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{ "AL_FORMAT_QUAD8", AL_FORMAT_QUAD8 },
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{ "AL_FORMAT_QUAD16", AL_FORMAT_QUAD16 },
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{ "AL_FORMAT_QUAD32", AL_FORMAT_QUAD32 },
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{ "AL_FORMAT_51CHN8", AL_FORMAT_51CHN8 },
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{ "AL_FORMAT_51CHN16", AL_FORMAT_51CHN16 },
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{ "AL_FORMAT_51CHN32", AL_FORMAT_51CHN32 },
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{ "AL_FORMAT_61CHN8", AL_FORMAT_61CHN8 },
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{ "AL_FORMAT_61CHN16", AL_FORMAT_61CHN16 },
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{ "AL_FORMAT_61CHN32", AL_FORMAT_61CHN32 },
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{ "AL_FORMAT_71CHN8", AL_FORMAT_71CHN8 },
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{ "AL_FORMAT_71CHN16", AL_FORMAT_71CHN16 },
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{ "AL_FORMAT_71CHN32", AL_FORMAT_71CHN32 },
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{ "AL_FORMAT_REAR8", AL_FORMAT_REAR8 },
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{ "AL_FORMAT_REAR16", AL_FORMAT_REAR16 },
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{ "AL_FORMAT_REAR32", AL_FORMAT_REAR32 },
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{ "AL_FORMAT_MONO_MULAW", AL_FORMAT_MONO_MULAW },
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{ "AL_FORMAT_MONO_MULAW_EXT", AL_FORMAT_MONO_MULAW },
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{ "AL_FORMAT_STEREO_MULAW", AL_FORMAT_STEREO_MULAW },
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{ "AL_FORMAT_STEREO_MULAW_EXT", AL_FORMAT_STEREO_MULAW },
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{ "AL_FORMAT_QUAD_MULAW", AL_FORMAT_QUAD_MULAW },
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{ "AL_FORMAT_51CHN_MULAW", AL_FORMAT_51CHN_MULAW },
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{ "AL_FORMAT_61CHN_MULAW", AL_FORMAT_61CHN_MULAW },
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{ "AL_FORMAT_71CHN_MULAW", AL_FORMAT_71CHN_MULAW },
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{ "AL_FORMAT_REAR_MULAW", AL_FORMAT_REAR_MULAW },
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// Internal Buffer Formats
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{ "AL_MONO8", AL_MONO8 },
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{ "AL_MONO16", AL_MONO16 },
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{ "AL_MONO32F", AL_MONO32F },
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{ "AL_STEREO8", AL_STEREO8 },
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{ "AL_STEREO16", AL_STEREO16 },
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{ "AL_STEREO32F", AL_STEREO32F },
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{ "AL_QUAD8", AL_QUAD8 },
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{ "AL_QUAD16", AL_QUAD16 },
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{ "AL_QUAD32F", AL_QUAD32F },
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{ "AL_REAR8", AL_REAR8 },
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{ "AL_REAR16", AL_REAR16 },
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{ "AL_REAR32F", AL_REAR32F },
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{ "AL_5POINT1_8", AL_5POINT1_8 },
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{ "AL_5POINT1_16", AL_5POINT1_16 },
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{ "AL_5POINT1_32F", AL_5POINT1_32F },
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{ "AL_6POINT1_8", AL_6POINT1_8 },
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{ "AL_6POINT1_16", AL_6POINT1_16 },
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{ "AL_6POINT1_32F", AL_6POINT1_32F },
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{ "AL_7POINT1_8", AL_7POINT1_8 },
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{ "AL_7POINT1_16", AL_7POINT1_16 },
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{ "AL_7POINT1_32F", AL_7POINT1_32F },
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// Buffer Channel Configurations
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{ "AL_MONO", AL_MONO },
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{ "AL_STEREO", AL_STEREO },
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{ "AL_QUAD", AL_QUAD },
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{ "AL_REAR", AL_REAR },
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{ "AL_5POINT1", AL_5POINT1 },
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{ "AL_6POINT1", AL_6POINT1 },
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{ "AL_7POINT1", AL_7POINT1 },
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// Buffer Sample Types
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{ "AL_BYTE", AL_BYTE },
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{ "AL_UNSIGNED_BYTE", AL_UNSIGNED_BYTE },
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{ "AL_SHORT", AL_SHORT },
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{ "AL_UNSIGNED_SHORT", AL_UNSIGNED_SHORT },
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{ "AL_INT", AL_INT },
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{ "AL_UNSIGNED_INT", AL_UNSIGNED_INT },
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{ "AL_FLOAT", AL_FLOAT },
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{ "AL_DOUBLE", AL_DOUBLE },
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{ "AL_MULAW", AL_MULAW },
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{ "AL_IMA4", AL_IMA4 },
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{ "AL_BYTE3", AL_BYTE3 },
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{ "AL_UNSIGNED_BYTE3", AL_UNSIGNED_BYTE3 },
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// Buffer attributes
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{ "AL_FREQUENCY", AL_FREQUENCY },
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{ "AL_BITS", AL_BITS },
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{ "AL_CHANNELS", AL_CHANNELS },
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{ "AL_SIZE", AL_SIZE },
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// Buffer States (not supported yet)
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{ "AL_UNUSED", AL_UNUSED },
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{ "AL_PENDING", AL_PENDING },
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{ "AL_PROCESSED", AL_PROCESSED },
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// AL Error Messages
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{ "AL_NO_ERROR", AL_NO_ERROR },
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{ "AL_INVALID_NAME", AL_INVALID_NAME },
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{ "AL_INVALID_ENUM", AL_INVALID_ENUM },
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{ "AL_INVALID_VALUE", AL_INVALID_VALUE },
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{ "AL_INVALID_OPERATION", AL_INVALID_OPERATION },
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{ "AL_OUT_OF_MEMORY", AL_OUT_OF_MEMORY },
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// Context strings
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{ "AL_VENDOR", AL_VENDOR },
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{ "AL_VERSION", AL_VERSION },
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{ "AL_RENDERER", AL_RENDERER },
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{ "AL_EXTENSIONS", AL_EXTENSIONS },
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// Global states
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{ "AL_DOPPLER_FACTOR", AL_DOPPLER_FACTOR },
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{ "AL_DOPPLER_VELOCITY", AL_DOPPLER_VELOCITY },
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{ "AL_DISTANCE_MODEL", AL_DISTANCE_MODEL },
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{ "AL_SPEED_OF_SOUND", AL_SPEED_OF_SOUND },
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{ "AL_SOURCE_DISTANCE_MODEL", AL_SOURCE_DISTANCE_MODEL },
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// Distance Models
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{ "AL_INVERSE_DISTANCE", AL_INVERSE_DISTANCE },
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{ "AL_INVERSE_DISTANCE_CLAMPED", AL_INVERSE_DISTANCE_CLAMPED },
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{ "AL_LINEAR_DISTANCE", AL_LINEAR_DISTANCE },
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{ "AL_LINEAR_DISTANCE_CLAMPED", AL_LINEAR_DISTANCE_CLAMPED },
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{ "AL_EXPONENT_DISTANCE", AL_EXPONENT_DISTANCE },
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{ "AL_EXPONENT_DISTANCE_CLAMPED", AL_EXPONENT_DISTANCE_CLAMPED },
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// Filter types
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{ "AL_FILTER_TYPE", AL_FILTER_TYPE },
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{ "AL_FILTER_NULL", AL_FILTER_NULL },
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{ "AL_FILTER_LOWPASS", AL_FILTER_LOWPASS },
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#if 0
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{ "AL_FILTER_HIGHPASS", AL_FILTER_HIGHPASS },
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{ "AL_FILTER_BANDPASS", AL_FILTER_BANDPASS },
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#endif
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// Filter params
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{ "AL_LOWPASS_GAIN", AL_LOWPASS_GAIN },
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{ "AL_LOWPASS_GAINHF", AL_LOWPASS_GAINHF },
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// Effect types
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{ "AL_EFFECT_TYPE", AL_EFFECT_TYPE },
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{ "AL_EFFECT_NULL", AL_EFFECT_NULL },
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{ "AL_EFFECT_REVERB", AL_EFFECT_REVERB },
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{ "AL_EFFECT_EAXREVERB", AL_EFFECT_EAXREVERB },
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#if 0
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{ "AL_EFFECT_CHORUS", AL_EFFECT_CHORUS },
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{ "AL_EFFECT_DISTORTION", AL_EFFECT_DISTORTION },
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#endif
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{ "AL_EFFECT_ECHO", AL_EFFECT_ECHO },
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#if 0
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{ "AL_EFFECT_FLANGER", AL_EFFECT_FLANGER },
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{ "AL_EFFECT_FREQUENCY_SHIFTER", AL_EFFECT_FREQUENCY_SHIFTER },
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{ "AL_EFFECT_VOCAL_MORPHER", AL_EFFECT_VOCAL_MORPHER },
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{ "AL_EFFECT_PITCH_SHIFTER", AL_EFFECT_PITCH_SHIFTER },
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#endif
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{ "AL_EFFECT_RING_MODULATOR", AL_EFFECT_RING_MODULATOR },
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#if 0
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{ "AL_EFFECT_AUTOWAH", AL_EFFECT_AUTOWAH },
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{ "AL_EFFECT_COMPRESSOR", AL_EFFECT_COMPRESSOR },
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{ "AL_EFFECT_EQUALIZER", AL_EFFECT_EQUALIZER },
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#endif
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{ "AL_EFFECT_DEDICATED_LOW_FREQUENCY_EFFECT",AL_EFFECT_DEDICATED_LOW_FREQUENCY_EFFECT},
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{ "AL_EFFECT_DEDICATED_DIALOGUE", AL_EFFECT_DEDICATED_DIALOGUE },
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// Reverb params
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{ "AL_REVERB_DENSITY", AL_REVERB_DENSITY },
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{ "AL_REVERB_DIFFUSION", AL_REVERB_DIFFUSION },
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{ "AL_REVERB_GAIN", AL_REVERB_GAIN },
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{ "AL_REVERB_GAINHF", AL_REVERB_GAINHF },
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{ "AL_REVERB_DECAY_TIME", AL_REVERB_DECAY_TIME },
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{ "AL_REVERB_DECAY_HFRATIO", AL_REVERB_DECAY_HFRATIO },
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{ "AL_REVERB_REFLECTIONS_GAIN", AL_REVERB_REFLECTIONS_GAIN },
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{ "AL_REVERB_REFLECTIONS_DELAY", AL_REVERB_REFLECTIONS_DELAY },
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{ "AL_REVERB_LATE_REVERB_GAIN", AL_REVERB_LATE_REVERB_GAIN },
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{ "AL_REVERB_LATE_REVERB_DELAY", AL_REVERB_LATE_REVERB_DELAY },
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{ "AL_REVERB_AIR_ABSORPTION_GAINHF", AL_REVERB_AIR_ABSORPTION_GAINHF },
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{ "AL_REVERB_ROOM_ROLLOFF_FACTOR", AL_REVERB_ROOM_ROLLOFF_FACTOR },
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{ "AL_REVERB_DECAY_HFLIMIT", AL_REVERB_DECAY_HFLIMIT },
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// EAX Reverb params
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{ "AL_EAXREVERB_DENSITY", AL_EAXREVERB_DENSITY },
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{ "AL_EAXREVERB_DIFFUSION", AL_EAXREVERB_DIFFUSION },
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{ "AL_EAXREVERB_GAIN", AL_EAXREVERB_GAIN },
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{ "AL_EAXREVERB_GAINHF", AL_EAXREVERB_GAINHF },
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{ "AL_EAXREVERB_GAINLF", AL_EAXREVERB_GAINLF },
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{ "AL_EAXREVERB_DECAY_TIME", AL_EAXREVERB_DECAY_TIME },
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{ "AL_EAXREVERB_DECAY_HFRATIO", AL_EAXREVERB_DECAY_HFRATIO },
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{ "AL_EAXREVERB_DECAY_LFRATIO", AL_EAXREVERB_DECAY_LFRATIO },
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{ "AL_EAXREVERB_REFLECTIONS_GAIN", AL_EAXREVERB_REFLECTIONS_GAIN },
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{ "AL_EAXREVERB_REFLECTIONS_DELAY", AL_EAXREVERB_REFLECTIONS_DELAY },
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{ "AL_EAXREVERB_REFLECTIONS_PAN", AL_EAXREVERB_REFLECTIONS_PAN },
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{ "AL_EAXREVERB_LATE_REVERB_GAIN", AL_EAXREVERB_LATE_REVERB_GAIN },
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{ "AL_EAXREVERB_LATE_REVERB_DELAY", AL_EAXREVERB_LATE_REVERB_DELAY },
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{ "AL_EAXREVERB_LATE_REVERB_PAN", AL_EAXREVERB_LATE_REVERB_PAN },
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{ "AL_EAXREVERB_ECHO_TIME", AL_EAXREVERB_ECHO_TIME },
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{ "AL_EAXREVERB_ECHO_DEPTH", AL_EAXREVERB_ECHO_DEPTH },
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{ "AL_EAXREVERB_MODULATION_TIME", AL_EAXREVERB_MODULATION_TIME },
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{ "AL_EAXREVERB_MODULATION_DEPTH", AL_EAXREVERB_MODULATION_DEPTH },
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{ "AL_EAXREVERB_AIR_ABSORPTION_GAINHF", AL_EAXREVERB_AIR_ABSORPTION_GAINHF },
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{ "AL_EAXREVERB_HFREFERENCE", AL_EAXREVERB_HFREFERENCE },
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{ "AL_EAXREVERB_LFREFERENCE", AL_EAXREVERB_LFREFERENCE },
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{ "AL_EAXREVERB_ROOM_ROLLOFF_FACTOR", AL_EAXREVERB_ROOM_ROLLOFF_FACTOR },
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{ "AL_EAXREVERB_DECAY_HFLIMIT", AL_EAXREVERB_DECAY_HFLIMIT },
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// Echo params
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{ "AL_ECHO_DELAY", AL_ECHO_DELAY },
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{ "AL_ECHO_LRDELAY", AL_ECHO_LRDELAY },
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{ "AL_ECHO_DAMPING", AL_ECHO_DAMPING },
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{ "AL_ECHO_FEEDBACK", AL_ECHO_FEEDBACK },
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{ "AL_ECHO_SPREAD", AL_ECHO_SPREAD },
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// Ring Modulator params
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{ "AL_RING_MODULATOR_FREQUENCY", AL_RING_MODULATOR_FREQUENCY },
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{ "AL_RING_MODULATOR_HIGHPASS_CUTOFF", AL_RING_MODULATOR_HIGHPASS_CUTOFF },
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{ "AL_RING_MODULATOR_WAVEFORM", AL_RING_MODULATOR_WAVEFORM },
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// Dedicated Dialogue/LFE params
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{ "AL_DEDICATED_GAIN", AL_DEDICATED_GAIN },
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// Default
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{ NULL, (ALenum)0 }
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};
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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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{ "echo", ECHO, "AL_EFFECT_ECHO", AL_EFFECT_ECHO },
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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 bIsSupported = 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 = GetLockedContext();
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if(!Context) return AL_FALSE;
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if(!extName)
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alSetError(Context, AL_INVALID_VALUE);
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else
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{
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len = strlen(extName);
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ptr = Context->ExtensionList;
|
|
while(ptr && *ptr)
|
|
{
|
|
if(strncasecmp(ptr, extName, len) == 0 &&
|
|
(ptr[len] == '\0' || isspace(ptr[len])))
|
|
{
|
|
bIsSupported = AL_TRUE;
|
|
break;
|
|
}
|
|
if((ptr=strchr(ptr, ' ')) != NULL)
|
|
{
|
|
do {
|
|
++ptr;
|
|
} while(isspace(*ptr));
|
|
}
|
|
}
|
|
}
|
|
|
|
UnlockContext(Context);
|
|
|
|
return bIsSupported;
|
|
}
|
|
|
|
|
|
AL_API ALvoid* AL_APIENTRY alGetProcAddress(const ALchar *funcName)
|
|
{
|
|
if(!funcName)
|
|
return NULL;
|
|
return alcGetProcAddress(NULL, funcName);
|
|
}
|
|
|
|
AL_API ALenum AL_APIENTRY alGetEnumValue(const ALchar *enumName)
|
|
{
|
|
ALsizei i;
|
|
|
|
for(i = 0;EffectList[i].ename;i++)
|
|
{
|
|
if(DisabledEffects[EffectList[i].type] &&
|
|
strcmp(EffectList[i].ename, enumName) == 0)
|
|
return (ALenum)0;
|
|
}
|
|
|
|
i = 0;
|
|
while(enumeration[i].enumName &&
|
|
strcmp(enumeration[i].enumName, enumName) != 0)
|
|
i++;
|
|
|
|
return enumeration[i].value;
|
|
}
|