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