audio-send: Alc/ALc.c annotate

annotate Alc/ALc.c @ 33:3caceef436ea tip

formatting for web

author	Robert McIntyre <rlm@mit.edu>
date	Sat, 11 Feb 2012 12:25:55 -0700
parents	63312ec4a2bf
children

rev	line source
rlm@0	1 /**
rlm@0	2 * OpenAL cross platform audio library
rlm@0	3 * Copyright (C) 1999-2007 by authors.
rlm@0	4 * This library is free software; you can redistribute it and/or
rlm@0	5 * modify it under the terms of the GNU Library General Public
rlm@0	6 * License as published by the Free Software Foundation; either
rlm@0	7 * version 2 of the License, or (at your option) any later version.
rlm@0	8 *
rlm@0	9 * This library is distributed in the hope that it will be useful,
rlm@0	10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
rlm@0	11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
rlm@0	12 * Library General Public License for more details.
rlm@0	13 *
rlm@0	14 * You should have received a copy of the GNU Library General Public
rlm@0	15 * License along with this library; if not, write to the
rlm@0	16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
rlm@0	17 * Boston, MA 02111-1307, USA.
rlm@0	18 * Or go to http://www.gnu.org/copyleft/lgpl.html
rlm@0	19 */
rlm@0	20
rlm@0	21 #include "config.h"
rlm@0	22
rlm@0	23 #include <math.h>
rlm@0	24 #include <stdlib.h>
rlm@0	25 #include <stdio.h>
rlm@0	26 #include <memory.h>
rlm@0	27 #include <ctype.h>
rlm@0	28
rlm@0	29 #include "alMain.h"
rlm@0	30 #include "alSource.h"
rlm@0	31 #include "AL/al.h"
rlm@0	32 #include "AL/alc.h"
rlm@0	33 #include "alThunk.h"
rlm@0	34 #include "alSource.h"
rlm@0	35 #include "alBuffer.h"
rlm@0	36 #include "alAuxEffectSlot.h"
rlm@0	37 #include "bs2b.h"
rlm@0	38 #include "alu.h"
rlm@0	39
rlm@0	40 // RLM: try to include the file here.
rlm@0	41
rlm@0	42
rlm@0	43
rlm@0	44 #define EmptyFuncs { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }
rlm@0	45 static struct BackendInfo BackendList[] = {
rlm@0	46 { "null", alc_null_init, alc_null_deinit, alc_null_probe, EmptyFuncs },
rlm@0	47 { "send", alc_send_init, alc_send_deinit, alc_send_probe, EmptyFuncs },
rlm@0	48 // this entry is so that the list is terminated by a "null" object,
rlm@0	49 // and helps things to tell when they've reached the end of the list.
rlm@0	50 { NULL, NULL, NULL, NULL, EmptyFuncs }
rlm@0	51 };
rlm@0	52 static struct BackendInfo BackendLoopback = {
rlm@0	53 "loopback", alc_loopback_init, alc_loopback_deinit, alc_loopback_probe, EmptyFuncs
rlm@0	54 };
rlm@0	55 #undef EmptyFuncs
rlm@0	56
rlm@0	57 static struct BackendInfo PlaybackBackend;
rlm@0	58 static struct BackendInfo CaptureBackend;
rlm@0	59
rlm@0	60 ///////////////////////////////////////////////////////
rlm@0	61 // STRING and EXTENSIONS
rlm@0	62
rlm@0	63 typedef struct ALCfunction {
rlm@0	64 const ALCchar *funcName;
rlm@0	65 ALCvoid *address;
rlm@0	66 } ALCfunction;
rlm@0	67
rlm@0	68 typedef struct ALCenums {
rlm@0	69 const ALCchar *enumName;
rlm@0	70 ALCenum value;
rlm@0	71 } ALCenums;
rlm@0	72
rlm@0	73
rlm@0	74 static const ALCfunction alcFunctions[] = {
rlm@0	75 { "alcCreateContext", (ALCvoid *) alcCreateContext },
rlm@0	76 { "alcMakeContextCurrent", (ALCvoid *) alcMakeContextCurrent },
rlm@0	77 { "alcProcessContext", (ALCvoid *) alcProcessContext },
rlm@0	78 { "alcSuspendContext", (ALCvoid *) alcSuspendContext },
rlm@0	79 { "alcDestroyContext", (ALCvoid *) alcDestroyContext },
rlm@0	80 { "alcGetCurrentContext", (ALCvoid *) alcGetCurrentContext },
rlm@0	81 { "alcGetContextsDevice", (ALCvoid *) alcGetContextsDevice },
rlm@0	82 { "alcOpenDevice", (ALCvoid *) alcOpenDevice },
rlm@0	83 { "alcCloseDevice", (ALCvoid *) alcCloseDevice },
rlm@0	84 { "alcGetError", (ALCvoid *) alcGetError },
rlm@0	85 { "alcIsExtensionPresent", (ALCvoid *) alcIsExtensionPresent },
rlm@0	86 { "alcGetProcAddress", (ALCvoid *) alcGetProcAddress },
rlm@0	87 { "alcGetEnumValue", (ALCvoid *) alcGetEnumValue },
rlm@0	88 { "alcGetString", (ALCvoid *) alcGetString },
rlm@0	89 { "alcGetIntegerv", (ALCvoid *) alcGetIntegerv },
rlm@0	90 { "alcCaptureOpenDevice", (ALCvoid *) alcCaptureOpenDevice },
rlm@0	91 { "alcCaptureCloseDevice", (ALCvoid *) alcCaptureCloseDevice },
rlm@0	92 { "alcCaptureStart", (ALCvoid *) alcCaptureStart },
rlm@0	93 { "alcCaptureStop", (ALCvoid *) alcCaptureStop },
rlm@0	94 { "alcCaptureSamples", (ALCvoid *) alcCaptureSamples },
rlm@0	95
rlm@0	96 { "alcSetThreadContext", (ALCvoid *) alcSetThreadContext },
rlm@0	97 { "alcGetThreadContext", (ALCvoid *) alcGetThreadContext },
rlm@0	98
rlm@0	99 { "alcLoopbackOpenDeviceSOFT", (ALCvoid *) alcLoopbackOpenDeviceSOFT},
rlm@0	100 { "alcIsRenderFormatSupportedSOFT",(ALCvoid *) alcIsRenderFormatSupportedSOFT},
rlm@0	101 { "alcRenderSamplesSOFT", (ALCvoid *) alcRenderSamplesSOFT },
rlm@0	102
rlm@0	103 { "alEnable", (ALCvoid *) alEnable },
rlm@0	104 { "alDisable", (ALCvoid *) alDisable },
rlm@0	105 { "alIsEnabled", (ALCvoid *) alIsEnabled },
rlm@0	106 { "alGetString", (ALCvoid *) alGetString },
rlm@0	107 { "alGetBooleanv", (ALCvoid *) alGetBooleanv },
rlm@0	108 { "alGetIntegerv", (ALCvoid *) alGetIntegerv },
rlm@0	109 { "alGetFloatv", (ALCvoid *) alGetFloatv },
rlm@0	110 { "alGetDoublev", (ALCvoid *) alGetDoublev },
rlm@0	111 { "alGetBoolean", (ALCvoid *) alGetBoolean },
rlm@0	112 { "alGetInteger", (ALCvoid *) alGetInteger },
rlm@0	113 { "alGetFloat", (ALCvoid *) alGetFloat },
rlm@0	114 { "alGetDouble", (ALCvoid *) alGetDouble },
rlm@0	115 { "alGetError", (ALCvoid *) alGetError },
rlm@0	116 { "alIsExtensionPresent", (ALCvoid *) alIsExtensionPresent },
rlm@0	117 { "alGetProcAddress", (ALCvoid *) alGetProcAddress },
rlm@0	118 { "alGetEnumValue", (ALCvoid *) alGetEnumValue },
rlm@0	119 { "alListenerf", (ALCvoid *) alListenerf },
rlm@0	120 { "alListener3f", (ALCvoid *) alListener3f },
rlm@0	121 { "alListenerfv", (ALCvoid *) alListenerfv },
rlm@0	122 { "alListeneri", (ALCvoid *) alListeneri },
rlm@0	123 { "alListener3i", (ALCvoid *) alListener3i },
rlm@0	124 { "alListeneriv", (ALCvoid *) alListeneriv },
rlm@0	125 { "alGetListenerf", (ALCvoid *) alGetListenerf },
rlm@0	126 { "alGetListener3f", (ALCvoid *) alGetListener3f },
rlm@0	127 { "alGetListenerfv", (ALCvoid *) alGetListenerfv },
rlm@0	128 { "alGetListeneri", (ALCvoid *) alGetListeneri },
rlm@0	129 { "alGetListener3i", (ALCvoid *) alGetListener3i },
rlm@0	130 { "alGetListeneriv", (ALCvoid *) alGetListeneriv },
rlm@0	131 { "alGenSources", (ALCvoid *) alGenSources },
rlm@0	132 { "alDeleteSources", (ALCvoid *) alDeleteSources },
rlm@0	133 { "alIsSource", (ALCvoid *) alIsSource },
rlm@0	134 { "alSourcef", (ALCvoid *) alSourcef },
rlm@0	135 { "alSource3f", (ALCvoid *) alSource3f },
rlm@0	136 { "alSourcefv", (ALCvoid *) alSourcefv },
rlm@0	137 { "alSourcei", (ALCvoid *) alSourcei },
rlm@0	138 { "alSource3i", (ALCvoid *) alSource3i },
rlm@0	139 { "alSourceiv", (ALCvoid *) alSourceiv },
rlm@0	140 { "alGetSourcef", (ALCvoid *) alGetSourcef },
rlm@0	141 { "alGetSource3f", (ALCvoid *) alGetSource3f },
rlm@0	142 { "alGetSourcefv", (ALCvoid *) alGetSourcefv },
rlm@0	143 { "alGetSourcei", (ALCvoid *) alGetSourcei },
rlm@0	144 { "alGetSource3i", (ALCvoid *) alGetSource3i },
rlm@0	145 { "alGetSourceiv", (ALCvoid *) alGetSourceiv },
rlm@0	146 { "alSourcePlayv", (ALCvoid *) alSourcePlayv },
rlm@0	147 { "alSourceStopv", (ALCvoid *) alSourceStopv },
rlm@0	148 { "alSourceRewindv", (ALCvoid *) alSourceRewindv },
rlm@0	149 { "alSourcePausev", (ALCvoid *) alSourcePausev },
rlm@0	150 { "alSourcePlay", (ALCvoid *) alSourcePlay },
rlm@0	151 { "alSourceStop", (ALCvoid *) alSourceStop },
rlm@0	152 { "alSourceRewind", (ALCvoid *) alSourceRewind },
rlm@0	153 { "alSourcePause", (ALCvoid *) alSourcePause },
rlm@0	154 { "alSourceQueueBuffers", (ALCvoid *) alSourceQueueBuffers },
rlm@0	155 { "alSourceUnqueueBuffers", (ALCvoid *) alSourceUnqueueBuffers },
rlm@0	156 { "alGenBuffers", (ALCvoid *) alGenBuffers },
rlm@0	157 { "alDeleteBuffers", (ALCvoid *) alDeleteBuffers },
rlm@0	158 { "alIsBuffer", (ALCvoid *) alIsBuffer },
rlm@0	159 { "alBufferData", (ALCvoid *) alBufferData },
rlm@0	160 { "alBufferf", (ALCvoid *) alBufferf },
rlm@0	161 { "alBuffer3f", (ALCvoid *) alBuffer3f },
rlm@0	162 { "alBufferfv", (ALCvoid *) alBufferfv },
rlm@0	163 { "alBufferi", (ALCvoid *) alBufferi },
rlm@0	164 { "alBuffer3i", (ALCvoid *) alBuffer3i },
rlm@0	165 { "alBufferiv", (ALCvoid *) alBufferiv },
rlm@0	166 { "alGetBufferf", (ALCvoid *) alGetBufferf },
rlm@0	167 { "alGetBuffer3f", (ALCvoid *) alGetBuffer3f },
rlm@0	168 { "alGetBufferfv", (ALCvoid *) alGetBufferfv },
rlm@0	169 { "alGetBufferi", (ALCvoid *) alGetBufferi },
rlm@0	170 { "alGetBuffer3i", (ALCvoid *) alGetBuffer3i },
rlm@0	171 { "alGetBufferiv", (ALCvoid *) alGetBufferiv },
rlm@0	172 { "alDopplerFactor", (ALCvoid *) alDopplerFactor },
rlm@0	173 { "alDopplerVelocity", (ALCvoid *) alDopplerVelocity },
rlm@0	174 { "alSpeedOfSound", (ALCvoid *) alSpeedOfSound },
rlm@0	175 { "alDistanceModel", (ALCvoid *) alDistanceModel },
rlm@0	176
rlm@0	177 { "alGenFilters", (ALCvoid *) alGenFilters },
rlm@0	178 { "alDeleteFilters", (ALCvoid *) alDeleteFilters },
rlm@0	179 { "alIsFilter", (ALCvoid *) alIsFilter },
rlm@0	180 { "alFilteri", (ALCvoid *) alFilteri },
rlm@0	181 { "alFilteriv", (ALCvoid *) alFilteriv },
rlm@0	182 { "alFilterf", (ALCvoid *) alFilterf },
rlm@0	183 { "alFilterfv", (ALCvoid *) alFilterfv },
rlm@0	184 { "alGetFilteri", (ALCvoid *) alGetFilteri },
rlm@0	185 { "alGetFilteriv", (ALCvoid *) alGetFilteriv },
rlm@0	186 { "alGetFilterf", (ALCvoid *) alGetFilterf },
rlm@0	187 { "alGetFilterfv", (ALCvoid *) alGetFilterfv },
rlm@0	188 { "alGenEffects", (ALCvoid *) alGenEffects },
rlm@0	189 { "alDeleteEffects", (ALCvoid *) alDeleteEffects },
rlm@0	190 { "alIsEffect", (ALCvoid *) alIsEffect },
rlm@0	191 { "alEffecti", (ALCvoid *) alEffecti },
rlm@0	192 { "alEffectiv", (ALCvoid *) alEffectiv },
rlm@0	193 { "alEffectf", (ALCvoid *) alEffectf },
rlm@0	194 { "alEffectfv", (ALCvoid *) alEffectfv },
rlm@0	195 { "alGetEffecti", (ALCvoid *) alGetEffecti },
rlm@0	196 { "alGetEffectiv", (ALCvoid *) alGetEffectiv },
rlm@0	197 { "alGetEffectf", (ALCvoid *) alGetEffectf },
rlm@0	198 { "alGetEffectfv", (ALCvoid *) alGetEffectfv },
rlm@0	199 { "alGenAuxiliaryEffectSlots", (ALCvoid *) alGenAuxiliaryEffectSlots},
rlm@0	200 { "alDeleteAuxiliaryEffectSlots",(ALCvoid *) alDeleteAuxiliaryEffectSlots},
rlm@0	201 { "alIsAuxiliaryEffectSlot", (ALCvoid *) alIsAuxiliaryEffectSlot },
rlm@0	202 { "alAuxiliaryEffectSloti", (ALCvoid *) alAuxiliaryEffectSloti },
rlm@0	203 { "alAuxiliaryEffectSlotiv", (ALCvoid *) alAuxiliaryEffectSlotiv },
rlm@0	204 { "alAuxiliaryEffectSlotf", (ALCvoid *) alAuxiliaryEffectSlotf },
rlm@0	205 { "alAuxiliaryEffectSlotfv", (ALCvoid *) alAuxiliaryEffectSlotfv },
rlm@0	206 { "alGetAuxiliaryEffectSloti", (ALCvoid *) alGetAuxiliaryEffectSloti},
rlm@0	207 { "alGetAuxiliaryEffectSlotiv", (ALCvoid *) alGetAuxiliaryEffectSlotiv},
rlm@0	208 { "alGetAuxiliaryEffectSlotf", (ALCvoid *) alGetAuxiliaryEffectSlotf},
rlm@0	209 { "alGetAuxiliaryEffectSlotfv", (ALCvoid *) alGetAuxiliaryEffectSlotfv},
rlm@0	210
rlm@0	211 { "alBufferSubDataSOFT", (ALCvoid *) alBufferSubDataSOFT },
rlm@0	212
rlm@0	213 { "alBufferSamplesSOFT", (ALCvoid *) alBufferSamplesSOFT },
rlm@0	214 { "alBufferSubSamplesSOFT", (ALCvoid *) alBufferSubSamplesSOFT },
rlm@0	215 { "alGetBufferSamplesSOFT", (ALCvoid *) alGetBufferSamplesSOFT },
rlm@0	216 { "alIsBufferFormatSupportedSOFT",(ALCvoid *) alIsBufferFormatSupportedSOFT},
rlm@0	217
rlm@0	218 { "alDeferUpdatesSOFT", (ALCvoid *) alDeferUpdatesSOFT },
rlm@0	219 { "alProcessUpdatesSOFT", (ALCvoid *) alProcessUpdatesSOFT },
rlm@0	220
rlm@0	221 { NULL, (ALCvoid *) NULL }
rlm@0	222 };
rlm@0	223
rlm@0	224 static const ALCenums enumeration[] = {
rlm@0	225 // Types
rlm@0	226 { "ALC_INVALID", ALC_INVALID },
rlm@0	227 { "ALC_FALSE", ALC_FALSE },
rlm@0	228 { "ALC_TRUE", ALC_TRUE },
rlm@0	229
rlm@0	230 // ALC Properties
rlm@0	231 { "ALC_MAJOR_VERSION", ALC_MAJOR_VERSION },
rlm@0	232 { "ALC_MINOR_VERSION", ALC_MINOR_VERSION },
rlm@0	233 { "ALC_ATTRIBUTES_SIZE", ALC_ATTRIBUTES_SIZE },
rlm@0	234 { "ALC_ALL_ATTRIBUTES", ALC_ALL_ATTRIBUTES },
rlm@0	235 { "ALC_DEFAULT_DEVICE_SPECIFIER", ALC_DEFAULT_DEVICE_SPECIFIER },
rlm@0	236 { "ALC_DEVICE_SPECIFIER", ALC_DEVICE_SPECIFIER },
rlm@0	237 { "ALC_ALL_DEVICES_SPECIFIER", ALC_ALL_DEVICES_SPECIFIER },
rlm@0	238 { "ALC_DEFAULT_ALL_DEVICES_SPECIFIER", ALC_DEFAULT_ALL_DEVICES_SPECIFIER },
rlm@0	239 { "ALC_EXTENSIONS", ALC_EXTENSIONS },
rlm@0	240 { "ALC_FREQUENCY", ALC_FREQUENCY },
rlm@0	241 { "ALC_REFRESH", ALC_REFRESH },
rlm@0	242 { "ALC_SYNC", ALC_SYNC },
rlm@0	243 { "ALC_MONO_SOURCES", ALC_MONO_SOURCES },
rlm@0	244 { "ALC_STEREO_SOURCES", ALC_STEREO_SOURCES },
rlm@0	245 { "ALC_CAPTURE_DEVICE_SPECIFIER", ALC_CAPTURE_DEVICE_SPECIFIER },
rlm@0	246 { "ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER", ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER},
rlm@0	247 { "ALC_CAPTURE_SAMPLES", ALC_CAPTURE_SAMPLES },
rlm@0	248 { "ALC_CONNECTED", ALC_CONNECTED },
rlm@0	249
rlm@0	250 // EFX Properties
rlm@0	251 { "ALC_EFX_MAJOR_VERSION", ALC_EFX_MAJOR_VERSION },
rlm@0	252 { "ALC_EFX_MINOR_VERSION", ALC_EFX_MINOR_VERSION },
rlm@0	253 { "ALC_MAX_AUXILIARY_SENDS", ALC_MAX_AUXILIARY_SENDS },
rlm@0	254
rlm@0	255 // Loopback device Properties
rlm@0	256 { "ALC_FORMAT_CHANNELS_SOFT", ALC_FORMAT_CHANNELS_SOFT },
rlm@0	257 { "ALC_FORMAT_TYPE_SOFT", ALC_FORMAT_TYPE_SOFT },
rlm@0	258
rlm@0	259 // Buffer Channel Configurations
rlm@0	260 { "ALC_MONO", ALC_MONO },
rlm@0	261 { "ALC_STEREO", ALC_STEREO },
rlm@0	262 { "ALC_QUAD", ALC_QUAD },
rlm@0	263 { "ALC_5POINT1", ALC_5POINT1 },
rlm@0	264 { "ALC_6POINT1", ALC_6POINT1 },
rlm@0	265 { "ALC_7POINT1", ALC_7POINT1 },
rlm@0	266
rlm@0	267 // Buffer Sample Types
rlm@0	268 { "ALC_BYTE", ALC_BYTE },
rlm@0	269 { "ALC_UNSIGNED_BYTE", ALC_UNSIGNED_BYTE },
rlm@0	270 { "ALC_SHORT", ALC_SHORT },
rlm@0	271 { "ALC_UNSIGNED_SHORT", ALC_UNSIGNED_SHORT },
rlm@0	272 { "ALC_INT", ALC_INT },
rlm@0	273 { "ALC_UNSIGNED_INT", ALC_UNSIGNED_INT },
rlm@0	274 { "ALC_FLOAT", ALC_FLOAT },
rlm@0	275
rlm@0	276 // ALC Error Message
rlm@0	277 { "ALC_NO_ERROR", ALC_NO_ERROR },
rlm@0	278 { "ALC_INVALID_DEVICE", ALC_INVALID_DEVICE },
rlm@0	279 { "ALC_INVALID_CONTEXT", ALC_INVALID_CONTEXT },
rlm@0	280 { "ALC_INVALID_ENUM", ALC_INVALID_ENUM },
rlm@0	281 { "ALC_INVALID_VALUE", ALC_INVALID_VALUE },
rlm@0	282 { "ALC_OUT_OF_MEMORY", ALC_OUT_OF_MEMORY },
rlm@0	283
rlm@0	284 { NULL, (ALCenum)0 }
rlm@0	285 };
rlm@0	286 // Error strings
rlm@0	287 static const ALCchar alcNoError[] = "No Error";
rlm@0	288 static const ALCchar alcErrInvalidDevice[] = "Invalid Device";
rlm@0	289 static const ALCchar alcErrInvalidContext[] = "Invalid Context";
rlm@0	290 static const ALCchar alcErrInvalidEnum[] = "Invalid Enum";
rlm@0	291 static const ALCchar alcErrInvalidValue[] = "Invalid Value";
rlm@0	292 static const ALCchar alcErrOutOfMemory[] = "Out of Memory";
rlm@0	293
rlm@0	294 /* Device lists. Sizes only include the first ending null character, not the
rlm@0	295 * second */
rlm@0	296 static ALCchar *alcDeviceList;
rlm@0	297 static size_t alcDeviceListSize;
rlm@0	298 static ALCchar *alcAllDeviceList;
rlm@0	299 static size_t alcAllDeviceListSize;
rlm@0	300 static ALCchar *alcCaptureDeviceList;
rlm@0	301 static size_t alcCaptureDeviceListSize;
rlm@0	302 /* Default is always the first in the list */
rlm@0	303 static ALCchar *alcDefaultDeviceSpecifier;
rlm@0	304 static ALCchar *alcDefaultAllDeviceSpecifier;
rlm@0	305 static ALCchar *alcCaptureDefaultDeviceSpecifier;
rlm@0	306
rlm@0	307
rlm@0	308 static const ALCchar alcNoDeviceExtList[] =
rlm@0	309 "ALC_ENUMERATE_ALL_EXT ALC_ENUMERATION_EXT ALC_EXT_CAPTURE "
rlm@0	310 "ALC_EXT_thread_local_context ALC_SOFTX_loopback_device";
rlm@0	311 static const ALCchar alcExtensionList[] =
rlm@0	312 "ALC_ENUMERATE_ALL_EXT ALC_ENUMERATION_EXT ALC_EXT_CAPTURE "
rlm@0	313 "ALC_EXT_DEDICATED ALC_EXT_disconnect ALC_EXT_EFX "
rlm@0	314 "ALC_EXT_thread_local_context ALC_SOFTX_loopback_device";
rlm@0	315 static const ALCint alcMajorVersion = 1;
rlm@0	316 static const ALCint alcMinorVersion = 1;
rlm@0	317
rlm@0	318 static const ALCint alcEFXMajorVersion = 1;
rlm@0	319 static const ALCint alcEFXMinorVersion = 0;
rlm@0	320
rlm@0	321 ///////////////////////////////////////////////////////
rlm@0	322
rlm@0	323
rlm@0	324 ///////////////////////////////////////////////////////
rlm@0	325 // Global Variables
rlm@0	326
rlm@0	327 static CRITICAL_SECTION ListLock;
rlm@0	328
rlm@0	329 /* Device List */
rlm@0	330 static ALCdevice *g_pDeviceList = NULL;
rlm@0	331 static ALCuint g_ulDeviceCount = 0;
rlm@0	332
rlm@0	333 // Context List
rlm@0	334 static ALCcontext *g_pContextList = NULL;
rlm@0	335 static ALCuint g_ulContextCount = 0;
rlm@0	336
rlm@0	337 // Thread-local current context
rlm@0	338 static tls_type LocalContext;
rlm@0	339 // Process-wide current context
rlm@0	340 static ALCcontext *GlobalContext;
rlm@0	341
rlm@0	342 // Context Error
rlm@0	343 static ALCenum g_eLastNullDeviceError = ALC_NO_ERROR;
rlm@0	344
rlm@0	345 // Default context extensions
rlm@0	346 static const ALchar alExtList[] =
rlm@0	347 "AL_EXT_DOUBLE AL_EXT_EXPONENT_DISTANCE AL_EXT_FLOAT32 AL_EXT_IMA4 "
rlm@0	348 "AL_EXT_LINEAR_DISTANCE AL_EXT_MCFORMATS AL_EXT_MULAW "
rlm@0	349 "AL_EXT_MULAW_MCFORMATS AL_EXT_OFFSET AL_EXT_source_distance_model "
rlm@0	350 "AL_LOKI_quadriphonic AL_SOFTX_buffer_samples AL_SOFT_buffer_sub_data "
rlm@0	351 "AL_SOFTX_deferred_updates AL_SOFT_loop_points "
rlm@0	352 "AL_SOFTX_non_virtual_channels";
rlm@0	353
rlm@0	354 // Mixing Priority Level
rlm@0	355 ALint RTPrioLevel;
rlm@0	356
rlm@0	357 // Output Log File
rlm@0	358 FILE *LogFile;
rlm@0	359
rlm@0	360 // Output Log Level
rlm@0	361 #ifdef _DEBUG
rlm@0	362 enum LogLevel LogLevel = LogWarning;
rlm@0	363 #else
rlm@0	364 enum LogLevel LogLevel = LogError;
rlm@0	365 #endif
rlm@0	366
rlm@0	367 // Cone scalar
rlm@0	368 ALdouble ConeScale = 0.5;
rlm@0	369
rlm@0	370 // Localized Z scalar for mono sources
rlm@0	371 ALdouble ZScale = 1.0;
rlm@0	372
rlm@0	373 /* One-time configuration init control */
rlm@0	374 static pthread_once_t alc_config_once = PTHREAD_ONCE_INIT;
rlm@0	375
rlm@0	376 ///////////////////////////////////////////////////////
rlm@0	377
rlm@0	378
rlm@0	379 ///////////////////////////////////////////////////////
rlm@0	380 // ALC Related helper functions
rlm@0	381 static void ReleaseALC(ALCboolean doclose);
rlm@0	382
rlm@0	383 static void alc_initconfig(void);
rlm@0	384 #define DO_INITCONFIG() pthread_once(&alc_config_once, alc_initconfig)
rlm@0	385
rlm@0	386 #if defined(_WIN32)
rlm@0	387 static void alc_init(void);
rlm@0	388 static void alc_deinit(void);
rlm@0	389 static void alc_deinit_safe(void);
rlm@0	390
rlm@0	391 #ifndef AL_LIBTYPE_STATIC
rlm@0	392 BOOL APIENTRY DllMain(HANDLE hModule,DWORD ul_reason_for_call,LPVOID lpReserved)
rlm@0	393 {
rlm@0	394 // Perform actions based on the reason for calling.
rlm@0	395 switch(ul_reason_for_call)
rlm@0	396 {
rlm@0	397 case DLL_PROCESS_ATTACH:
rlm@0	398 DisableThreadLibraryCalls(hModule);
rlm@0	399 alc_init();
rlm@0	400 break;
rlm@0	401
rlm@0	402 case DLL_PROCESS_DETACH:
rlm@0	403 if(!lpReserved)
rlm@0	404 alc_deinit();
rlm@0	405 else
rlm@0	406 alc_deinit_safe();
rlm@0	407 break;
rlm@0	408 }
rlm@0	409 return TRUE;
rlm@0	410 }
rlm@0	411 #elif defined(_MSC_VER)
rlm@0	412 #pragma section(".CRT$XCU",read)
rlm@0	413 static void alc_constructor(void);
rlm@0	414 static void alc_destructor(void);
rlm@0	415 __declspec(allocate(".CRT$XCU")) void (__cdecl* alc_constructor_)(void) = alc_constructor;
rlm@0	416
rlm@0	417 static void alc_constructor(void)
rlm@0	418 {
rlm@0	419 atexit(alc_destructor);
rlm@0	420 alc_init();
rlm@0	421 }
rlm@0	422
rlm@0	423 static void alc_destructor(void)
rlm@0	424 {
rlm@0	425 alc_deinit();
rlm@0	426 }
rlm@0	427 #elif defined(HAVE_GCC_DESTRUCTOR)
rlm@0	428 static void alc_init(void) __attribute__((constructor));
rlm@0	429 static void alc_deinit(void) __attribute__((destructor));
rlm@0	430 #else
rlm@0	431 #error "No static initialization available on this platform!"
rlm@0	432 #endif
rlm@0	433 #elif defined(HAVE_GCC_DESTRUCTOR)
rlm@0	434 static void alc_init(void) __attribute__((constructor));
rlm@0	435 static void alc_deinit(void) __attribute__((destructor));
rlm@0	436 #else
rlm@0	437 #error "No global initialization available on this platform!"
rlm@0	438 #endif
rlm@0	439
rlm@0	440 static void alc_init(void)
rlm@0	441 {
rlm@0	442 const char *str;
rlm@0	443
rlm@0	444 LogFile = stderr;
rlm@0	445
rlm@0	446 str = getenv("__ALSOFT_HALF_ANGLE_CONES");
rlm@0	447 if(str && (strcasecmp(str, "true") == 0 \|\| strtol(str, NULL, 0) == 1))
rlm@0	448 ConeScale = 1.0;
rlm@0	449
rlm@0	450 str = getenv("__ALSOFT_REVERSE_Z");
rlm@0	451 if(str && (strcasecmp(str, "true") == 0 \|\| strtol(str, NULL, 0) == 1))
rlm@0	452 ZScale = -1.0;
rlm@0	453
rlm@0	454 tls_create(&LocalContext);
rlm@0	455 InitializeCriticalSection(&ListLock);
rlm@0	456 ThunkInit();
rlm@0	457 }
rlm@0	458
rlm@0	459 static void alc_deinit_safe(void)
rlm@0	460 {
rlm@0	461 ReleaseALC(ALC_FALSE);
rlm@0	462
rlm@0	463 FreeALConfig();
rlm@0	464
rlm@0	465 ThunkExit();
rlm@0	466 DeleteCriticalSection(&ListLock);
rlm@0	467 tls_delete(LocalContext);
rlm@0	468
rlm@0	469 if(LogFile != stderr)
rlm@0	470 fclose(LogFile);
rlm@0	471 LogFile = NULL;
rlm@0	472 }
rlm@0	473
rlm@0	474 static void alc_deinit(void)
rlm@0	475 {
rlm@0	476 int i;
rlm@0	477
rlm@0	478 ReleaseALC(ALC_TRUE);
rlm@0	479
rlm@0	480 memset(&PlaybackBackend, 0, sizeof(PlaybackBackend));
rlm@0	481 memset(&CaptureBackend, 0, sizeof(CaptureBackend));
rlm@0	482
rlm@0	483 for(i = 0;BackendList[i].Deinit;i++)
rlm@0	484 BackendList[i].Deinit();
rlm@0	485 BackendLoopback.Deinit();
rlm@0	486
rlm@0	487 alc_deinit_safe();
rlm@0	488 }
rlm@0	489
rlm@0	490 static void alc_initconfig(void)
rlm@0	491 {
rlm@0	492 printf("OPENAL-AURELLEM: alc_init_config!!\n");
rlm@0	493 const char devs, str;
rlm@0	494 int i, n;
rlm@0	495
rlm@0	496 str = getenv("ALSOFT_LOGLEVEL");
rlm@0	497 if(str)
rlm@0	498 {
rlm@0	499 long lvl = strtol(str, NULL, 0);
rlm@0	500 if(lvl >= NoLog && lvl <= LogTrace)
rlm@0	501 LogLevel = lvl;
rlm@0	502 }
rlm@0	503
rlm@0	504 str = getenv("ALSOFT_LOGFILE");
rlm@0	505 if(str && str[0])
rlm@0	506 {
rlm@0	507 FILE *logfile = fopen(str, "wat");
rlm@0	508 if(logfile) LogFile = logfile;
rlm@0	509 else ERR("Failed to open log file '%s'\n", str);
rlm@0	510 }
rlm@0	511
rlm@0	512 ReadALConfig();
rlm@0	513
rlm@0	514 InitHrtf();
rlm@0	515
rlm@0	516 #ifdef _WIN32
rlm@0	517 RTPrioLevel = GetConfigValueInt(NULL, "rt-prio", 1);
rlm@0	518 #else
rlm@0	519 RTPrioLevel = GetConfigValueInt(NULL, "rt-prio", 0);
rlm@0	520 #endif
rlm@0	521
rlm@0	522 DefaultResampler = GetConfigValueInt(NULL, "resampler", RESAMPLER_DEFAULT);
rlm@0	523 if(DefaultResampler >= RESAMPLER_MAX \|\| DefaultResampler <= RESAMPLER_MIN)
rlm@0	524 DefaultResampler = RESAMPLER_DEFAULT;
rlm@0	525
rlm@0	526 ReverbBoost *= aluPow(10.0f, GetConfigValueFloat("reverb", "boost", 0.0f) /
rlm@0	527 20.0f);
rlm@0	528 EmulateEAXReverb = GetConfigValueBool("reverb", "emulate-eax", AL_FALSE);
rlm@0	529
rlm@6	530 // RLM: This was previously taken from the config file
rlm@6	531 // where the user had their choice of backend
rlm@6	532 // for this special version of open-al the option is
rlm@6	533 // disabled since there is only the "send" device.
rlm@6	534 devs = "send";
rlm@6	535
rlm@0	536 //printf("these are the devices: %s\n", devs);
rlm@0	537
rlm@0	538 if(devs[0])
rlm@0	539 {
rlm@0	540 int n;
rlm@0	541 size_t len;
rlm@0	542 const char *next = devs;
rlm@0	543 int endlist, delitem;
rlm@0	544
rlm@0	545 i = 0;
rlm@0	546 do {
rlm@0	547 devs = next;
rlm@0	548 //printf("AURELLEM: devs is %s\n",devs);
rlm@0	549 next = strchr(devs, ',');
rlm@0	550
rlm@0	551 delitem = (devs[0] == '-');
rlm@0	552 if(devs[0] == '-') devs++;
rlm@0	553
rlm@0	554 if(!devs[0] \|\| devs[0] == ',')
rlm@0	555 {
rlm@0	556 endlist = 0;
rlm@0	557 continue;
rlm@0	558 }
rlm@0	559 endlist = 1;
rlm@0	560
rlm@0	561 len = (next ? ((size_t)(next-devs)) : strlen(devs));
rlm@0	562 for(n = i;BackendList[n].Init;n++)
rlm@0	563 {
rlm@0	564 //printf("AURELLEM: device-name -- %s\n",BackendList[n].name);
rlm@0	565 if(len == strlen(BackendList[n].name) &&
rlm@0	566 strncmp(BackendList[n].name, devs, len) == 0)
rlm@0	567 {
rlm@0	568 if(delitem)
rlm@0	569 {
rlm@0	570 do {
rlm@0	571 BackendList[n] = BackendList[n+1];
rlm@0	572 ++n;
rlm@0	573 }
rlm@0	574 // this relies on the last entry being terminated by an
rlm@0	575 // entry with all nulls.
rlm@0	576 while(BackendList[n].Init);
rlm@0	577 }
rlm@0	578 else
rlm@0	579 {
rlm@0	580 struct BackendInfo Bkp = BackendList[n];
rlm@0	581 while(n > i)
rlm@0	582 {
rlm@0	583 BackendList[n] = BackendList[n-1];
rlm@0	584 --n;
rlm@0	585 }
rlm@0	586 BackendList[n] = Bkp;
rlm@0	587
rlm@0	588 i++;
rlm@0	589 }
rlm@0	590 break;
rlm@0	591 }
rlm@0	592 }
rlm@0	593 } while(next++);
rlm@0	594
rlm@0	595 if(endlist)
rlm@0	596 {
rlm@0	597 BackendList[i].name = NULL;
rlm@0	598 BackendList[i].Init = NULL;
rlm@0	599 BackendList[i].Deinit = NULL;
rlm@0	600 BackendList[i].Probe = NULL;
rlm@0	601 }
rlm@0	602 }
rlm@0	603
rlm@0	604 for(i = 0;BackendList[i].Init && (!PlaybackBackend.name \|\| !CaptureBackend.name);i++)
rlm@0	605 {
rlm@0	606 if(!BackendList[i].Init(&BackendList[i].Funcs))
rlm@0	607 {
rlm@0	608 WARN("Failed to initialize backend \"%s\"\n", BackendList[i].name);
rlm@0	609 continue;
rlm@0	610 }
rlm@0	611
rlm@0	612 TRACE("Initialized backend \"%s\"\n", BackendList[i].name);
rlm@0	613 if(BackendList[i].Funcs.OpenPlayback && !PlaybackBackend.name)
rlm@0	614 {
rlm@0	615 PlaybackBackend = BackendList[i];
rlm@0	616 TRACE("Added \"%s\" for playback\n", PlaybackBackend.name);
rlm@0	617 }
rlm@0	618 if(BackendList[i].Funcs.OpenCapture && !CaptureBackend.name)
rlm@0	619 {
rlm@0	620 CaptureBackend = BackendList[i];
rlm@0	621 TRACE("Added \"%s\" for capture\n", CaptureBackend.name);
rlm@0	622 }
rlm@0	623 }
rlm@0	624 BackendLoopback.Init(&BackendLoopback.Funcs);
rlm@0	625
rlm@0	626 str = GetConfigValue(NULL, "excludefx", "");
rlm@0	627 if(str[0])
rlm@0	628 {
rlm@0	629 size_t len;
rlm@0	630 const char *next = str;
rlm@0	631
rlm@0	632 do {
rlm@0	633 str = next;
rlm@0	634 next = strchr(str, ',');
rlm@0	635
rlm@0	636 if(!str[0] \|\| next == str)
rlm@0	637 continue;
rlm@0	638
rlm@0	639 len = (next ? ((size_t)(next-str)) : strlen(str));
rlm@0	640 for(n = 0;EffectList[n].name;n++)
rlm@0	641 {
rlm@0	642 if(len == strlen(EffectList[n].name) &&
rlm@0	643 strncmp(EffectList[n].name, str, len) == 0)
rlm@0	644 DisabledEffects[EffectList[n].type] = AL_TRUE;
rlm@0	645 }
rlm@0	646 } while(next++);
rlm@0	647 }
rlm@0	648 }
rlm@0	649
rlm@0	650
rlm@0	651 static void ProbeList(ALCchar *list, size_t listsize, enum DevProbe type)
rlm@0	652 {
rlm@0	653 free(*list);
rlm@0	654 *list = NULL;
rlm@0	655 *listsize = 0;
rlm@0	656
rlm@0	657 DO_INITCONFIG();
rlm@0	658 if(type == CAPTURE_DEVICE_PROBE)
rlm@0	659 CaptureBackend.Probe(type);
rlm@0	660 else
rlm@0	661 PlaybackBackend.Probe(type);
rlm@0	662 }
rlm@0	663
rlm@0	664 static void ProbeDeviceList(void)
rlm@0	665 { ProbeList(&alcDeviceList, &alcDeviceListSize, DEVICE_PROBE); }
rlm@0	666 static void ProbeAllDeviceList(void)
rlm@0	667 { ProbeList(&alcAllDeviceList, &alcAllDeviceListSize, ALL_DEVICE_PROBE); }
rlm@0	668 static void ProbeCaptureDeviceList(void)
rlm@0	669 { ProbeList(&alcCaptureDeviceList, &alcCaptureDeviceListSize, CAPTURE_DEVICE_PROBE); }
rlm@0	670
rlm@0	671
rlm@0	672 static void AppendList(const ALCchar name, ALCchar List, size_t ListSize)
rlm@0	673 {
rlm@0	674 size_t len = strlen(name);
rlm@0	675 void *temp;
rlm@0	676
rlm@0	677 if(len == 0)
rlm@0	678 return;
rlm@0	679
rlm@0	680 temp = realloc(List, (ListSize) + len + 2);
rlm@0	681 if(!temp)
rlm@0	682 {
rlm@0	683 ERR("Realloc failed to add %s!\n", name);
rlm@0	684 return;
rlm@0	685 }
rlm@0	686 *List = temp;
rlm@0	687
rlm@0	688 memcpy((List)+(ListSize), name, len+1);
rlm@0	689 *ListSize += len+1;
rlm@0	690 (List)[ListSize] = 0;
rlm@0	691 }
rlm@0	692
rlm@0	693 #define DECL_APPEND_LIST_FUNC(type) \
rlm@0	694 void Append##type##List(const ALCchar *name) \
rlm@0	695 { AppendList(name, &alc##type##List, &alc##type##ListSize); }
rlm@0	696
rlm@0	697 DECL_APPEND_LIST_FUNC(Device)
rlm@0	698 DECL_APPEND_LIST_FUNC(AllDevice)
rlm@0	699 DECL_APPEND_LIST_FUNC(CaptureDevice)
rlm@0	700
rlm@0	701 #undef DECL_APPEND_LIST_FUNC
rlm@0	702
rlm@0	703
rlm@0	704 /* Sets the default channel order used by most non-WaveFormatEx-based APIs */
rlm@0	705 void SetDefaultChannelOrder(ALCdevice *device)
rlm@0	706 {
rlm@0	707 switch(device->FmtChans)
rlm@0	708 {
rlm@0	709 case DevFmtX51: device->DevChannels[0] = FRONT_LEFT;
rlm@0	710 device->DevChannels[1] = FRONT_RIGHT;
rlm@0	711 device->DevChannels[2] = BACK_LEFT;
rlm@0	712 device->DevChannels[3] = BACK_RIGHT;
rlm@0	713 device->DevChannels[4] = FRONT_CENTER;
rlm@0	714 device->DevChannels[5] = LFE;
rlm@0	715 return;
rlm@0	716
rlm@0	717 case DevFmtX71: device->DevChannels[0] = FRONT_LEFT;
rlm@0	718 device->DevChannels[1] = FRONT_RIGHT;
rlm@0	719 device->DevChannels[2] = BACK_LEFT;
rlm@0	720 device->DevChannels[3] = BACK_RIGHT;
rlm@0	721 device->DevChannels[4] = FRONT_CENTER;
rlm@0	722 device->DevChannels[5] = LFE;
rlm@0	723 device->DevChannels[6] = SIDE_LEFT;
rlm@0	724 device->DevChannels[7] = SIDE_RIGHT;
rlm@0	725 return;
rlm@0	726
rlm@0	727 /* Same as WFX order */
rlm@0	728 case DevFmtMono:
rlm@0	729 case DevFmtStereo:
rlm@0	730 case DevFmtQuad:
rlm@0	731 case DevFmtX51Side:
rlm@0	732 case DevFmtX61:
rlm@0	733 break;
rlm@0	734 }
rlm@0	735 SetDefaultWFXChannelOrder(device);
rlm@0	736 }
rlm@0	737 /* Sets the default order used by WaveFormatEx */
rlm@0	738 void SetDefaultWFXChannelOrder(ALCdevice *device)
rlm@0	739 {
rlm@0	740 switch(device->FmtChans)
rlm@0	741 {
rlm@0	742 case DevFmtMono: device->DevChannels[0] = FRONT_CENTER; break;
rlm@0	743
rlm@0	744 case DevFmtStereo: device->DevChannels[0] = FRONT_LEFT;
rlm@0	745 device->DevChannels[1] = FRONT_RIGHT; break;
rlm@0	746
rlm@0	747 case DevFmtQuad: device->DevChannels[0] = FRONT_LEFT;
rlm@0	748 device->DevChannels[1] = FRONT_RIGHT;
rlm@0	749 device->DevChannels[2] = BACK_LEFT;
rlm@0	750 device->DevChannels[3] = BACK_RIGHT; break;
rlm@0	751
rlm@0	752 case DevFmtX51: device->DevChannels[0] = FRONT_LEFT;
rlm@0	753 device->DevChannels[1] = FRONT_RIGHT;
rlm@0	754 device->DevChannels[2] = FRONT_CENTER;
rlm@0	755 device->DevChannels[3] = LFE;
rlm@0	756 device->DevChannels[4] = BACK_LEFT;
rlm@0	757 device->DevChannels[5] = BACK_RIGHT; break;
rlm@0	758
rlm@0	759 case DevFmtX51Side: device->DevChannels[0] = FRONT_LEFT;
rlm@0	760 device->DevChannels[1] = FRONT_RIGHT;
rlm@0	761 device->DevChannels[2] = FRONT_CENTER;
rlm@0	762 device->DevChannels[3] = LFE;
rlm@0	763 device->DevChannels[4] = SIDE_LEFT;
rlm@0	764 device->DevChannels[5] = SIDE_RIGHT; break;
rlm@0	765
rlm@0	766 case DevFmtX61: device->DevChannels[0] = FRONT_LEFT;
rlm@0	767 device->DevChannels[1] = FRONT_RIGHT;
rlm@0	768 device->DevChannels[2] = FRONT_CENTER;
rlm@0	769 device->DevChannels[3] = LFE;
rlm@0	770 device->DevChannels[4] = BACK_CENTER;
rlm@0	771 device->DevChannels[5] = SIDE_LEFT;
rlm@0	772 device->DevChannels[6] = SIDE_RIGHT; break;
rlm@0	773
rlm@0	774 case DevFmtX71: device->DevChannels[0] = FRONT_LEFT;
rlm@0	775 device->DevChannels[1] = FRONT_RIGHT;
rlm@0	776 device->DevChannels[2] = FRONT_CENTER;
rlm@0	777 device->DevChannels[3] = LFE;
rlm@0	778 device->DevChannels[4] = BACK_LEFT;
rlm@0	779 device->DevChannels[5] = BACK_RIGHT;
rlm@0	780 device->DevChannels[6] = SIDE_LEFT;
rlm@0	781 device->DevChannels[7] = SIDE_RIGHT; break;
rlm@0	782 }
rlm@0	783 }
rlm@0	784
rlm@0	785
rlm@0	786 const ALCchar *DevFmtTypeString(enum DevFmtType type)
rlm@0	787 {
rlm@0	788 switch(type)
rlm@0	789 {
rlm@0	790 case DevFmtByte: return "Signed Byte";
rlm@0	791 case DevFmtUByte: return "Unsigned Byte";
rlm@0	792 case DevFmtShort: return "Signed Short";
rlm@0	793 case DevFmtUShort: return "Unsigned Short";
rlm@0	794 case DevFmtFloat: return "Float";
rlm@0	795 }
rlm@0	796 return "(unknown type)";
rlm@0	797 }
rlm@0	798 const ALCchar *DevFmtChannelsString(enum DevFmtChannels chans)
rlm@0	799 {
rlm@0	800 switch(chans)
rlm@0	801 {
rlm@0	802 case DevFmtMono: return "Mono";
rlm@0	803 case DevFmtStereo: return "Stereo";
rlm@0	804 case DevFmtQuad: return "Quadraphonic";
rlm@0	805 case DevFmtX51: return "5.1 Surround";
rlm@0	806 case DevFmtX51Side: return "5.1 Side";
rlm@0	807 case DevFmtX61: return "6.1 Surround";
rlm@0	808 case DevFmtX71: return "7.1 Surround";
rlm@0	809 }
rlm@0	810 return "(unknown channels)";
rlm@0	811 }
rlm@0	812
rlm@0	813 ALuint BytesFromDevFmt(enum DevFmtType type)
rlm@0	814 {
rlm@0	815 switch(type)
rlm@0	816 {
rlm@0	817 case DevFmtByte: return sizeof(ALbyte);
rlm@0	818 case DevFmtUByte: return sizeof(ALubyte);
rlm@0	819 case DevFmtShort: return sizeof(ALshort);
rlm@0	820 case DevFmtUShort: return sizeof(ALushort);
rlm@0	821 case DevFmtFloat: return sizeof(ALfloat);
rlm@0	822 }
rlm@0	823 return 0;
rlm@0	824 }
rlm@0	825 ALuint ChannelsFromDevFmt(enum DevFmtChannels chans)
rlm@0	826 {
rlm@0	827 switch(chans)
rlm@0	828 {
rlm@0	829 case DevFmtMono: return 1;
rlm@0	830 case DevFmtStereo: return 2;
rlm@0	831 case DevFmtQuad: return 4;
rlm@0	832 case DevFmtX51: return 6;
rlm@0	833 case DevFmtX51Side: return 6;
rlm@0	834 case DevFmtX61: return 7;
rlm@0	835 case DevFmtX71: return 8;
rlm@0	836 }
rlm@0	837 return 0;
rlm@0	838 }
rlm@0	839 ALboolean DecomposeDevFormat(ALenum format, enum DevFmtChannels *chans,
rlm@0	840 enum DevFmtType *type)
rlm@0	841 {
rlm@0	842 switch(format)
rlm@0	843 {
rlm@0	844 case AL_FORMAT_MONO8:
rlm@0	845 *chans = DevFmtMono;
rlm@0	846 *type = DevFmtUByte;
rlm@0	847 return AL_TRUE;
rlm@0	848 case AL_FORMAT_MONO16:
rlm@0	849 *chans = DevFmtMono;
rlm@0	850 *type = DevFmtShort;
rlm@0	851 return AL_TRUE;
rlm@0	852 case AL_FORMAT_MONO_FLOAT32:
rlm@0	853 *chans = DevFmtMono;
rlm@0	854 *type = DevFmtFloat;
rlm@0	855 return AL_TRUE;
rlm@0	856 case AL_FORMAT_STEREO8:
rlm@0	857 *chans = DevFmtStereo;
rlm@0	858 *type = DevFmtUByte;
rlm@0	859 return AL_TRUE;
rlm@0	860 case AL_FORMAT_STEREO16:
rlm@0	861 *chans = DevFmtStereo;
rlm@0	862 *type = DevFmtShort;
rlm@0	863 return AL_TRUE;
rlm@0	864 case AL_FORMAT_STEREO_FLOAT32:
rlm@0	865 *chans = DevFmtStereo;
rlm@0	866 *type = DevFmtFloat;
rlm@0	867 return AL_TRUE;
rlm@0	868 case AL_FORMAT_QUAD8:
rlm@0	869 *chans = DevFmtQuad;
rlm@0	870 *type = DevFmtUByte;
rlm@0	871 return AL_TRUE;
rlm@0	872 case AL_FORMAT_QUAD16:
rlm@0	873 *chans = DevFmtQuad;
rlm@0	874 *type = DevFmtShort;
rlm@0	875 return AL_TRUE;
rlm@0	876 case AL_FORMAT_QUAD32:
rlm@0	877 *chans = DevFmtQuad;
rlm@0	878 *type = DevFmtFloat;
rlm@0	879 return AL_TRUE;
rlm@0	880 case AL_FORMAT_51CHN8:
rlm@0	881 *chans = DevFmtX51;
rlm@0	882 *type = DevFmtUByte;
rlm@0	883 return AL_TRUE;
rlm@0	884 case AL_FORMAT_51CHN16:
rlm@0	885 *chans = DevFmtX51;
rlm@0	886 *type = DevFmtShort;
rlm@0	887 return AL_TRUE;
rlm@0	888 case AL_FORMAT_51CHN32:
rlm@0	889 *chans = DevFmtX51;
rlm@0	890 *type = DevFmtFloat;
rlm@0	891 return AL_TRUE;
rlm@0	892 case AL_FORMAT_61CHN8:
rlm@0	893 *chans = DevFmtX61;
rlm@0	894 *type = DevFmtUByte;
rlm@0	895 return AL_TRUE;
rlm@0	896 case AL_FORMAT_61CHN16:
rlm@0	897 *chans = DevFmtX61;
rlm@0	898 *type = DevFmtShort;
rlm@0	899 return AL_TRUE;
rlm@0	900 case AL_FORMAT_61CHN32:
rlm@0	901 *chans = DevFmtX61;
rlm@0	902 *type = DevFmtFloat;
rlm@0	903 return AL_TRUE;
rlm@0	904 case AL_FORMAT_71CHN8:
rlm@0	905 *chans = DevFmtX71;
rlm@0	906 *type = DevFmtUByte;
rlm@0	907 return AL_TRUE;
rlm@0	908 case AL_FORMAT_71CHN16:
rlm@0	909 *chans = DevFmtX71;
rlm@0	910 *type = DevFmtShort;
rlm@0	911 return AL_TRUE;
rlm@0	912 case AL_FORMAT_71CHN32:
rlm@0	913 *chans = DevFmtX71;
rlm@0	914 *type = DevFmtFloat;
rlm@0	915 return AL_TRUE;
rlm@0	916 }
rlm@0	917 return AL_FALSE;
rlm@0	918 }
rlm@0	919
rlm@0	920 static ALCboolean IsValidALCType(ALCenum type)
rlm@0	921 {
rlm@0	922 switch(type)
rlm@0	923 {
rlm@0	924 case ALC_BYTE:
rlm@0	925 case ALC_UNSIGNED_BYTE:
rlm@0	926 case ALC_SHORT:
rlm@0	927 case ALC_UNSIGNED_SHORT:
rlm@0	928 case ALC_INT:
rlm@0	929 case ALC_UNSIGNED_INT:
rlm@0	930 case ALC_FLOAT:
rlm@0	931 return ALC_TRUE;
rlm@0	932 }
rlm@0	933 return ALC_FALSE;
rlm@0	934 }
rlm@0	935
rlm@0	936 static ALCboolean IsValidALCChannels(ALCenum channels)
rlm@0	937 {
rlm@0	938 switch(channels)
rlm@0	939 {
rlm@0	940 case ALC_MONO:
rlm@0	941 case ALC_STEREO:
rlm@0	942 case ALC_QUAD:
rlm@0	943 case ALC_5POINT1:
rlm@0	944 case ALC_6POINT1:
rlm@0	945 case ALC_7POINT1:
rlm@0	946 return ALC_TRUE;
rlm@0	947 }
rlm@0	948 return ALC_FALSE;
rlm@0	949 }
rlm@0	950
rlm@0	951
rlm@0	952 static void LockLists(void)
rlm@0	953 {
rlm@0	954 EnterCriticalSection(&ListLock);
rlm@0	955 }
rlm@0	956
rlm@0	957 static void UnlockLists(void)
rlm@0	958 {
rlm@0	959 LeaveCriticalSection(&ListLock);
rlm@0	960 }
rlm@0	961
rlm@0	962 /*
rlm@0	963 IsDevice
rlm@0	964
rlm@0	965 Check pDevice is a valid Device pointer
rlm@0	966 */
rlm@0	967 static ALCboolean IsDevice(ALCdevice *pDevice)
rlm@0	968 {
rlm@0	969 ALCdevice *pTempDevice;
rlm@0	970
rlm@0	971 pTempDevice = g_pDeviceList;
rlm@0	972 while(pTempDevice && pTempDevice != pDevice)
rlm@0	973 pTempDevice = pTempDevice->next;
rlm@0	974
rlm@0	975 return (pTempDevice ? ALC_TRUE : ALC_FALSE);
rlm@0	976 }
rlm@0	977
rlm@0	978 /*
rlm@0	979 IsContext
rlm@0	980
rlm@0	981 Check pContext is a valid Context pointer
rlm@0	982 */
rlm@0	983 static ALCboolean IsContext(ALCcontext *pContext)
rlm@0	984 {
rlm@0	985 ALCcontext *pTempContext;
rlm@0	986
rlm@0	987 pTempContext = g_pContextList;
rlm@0	988 while (pTempContext && pTempContext != pContext)
rlm@0	989 pTempContext = pTempContext->next;
rlm@0	990
rlm@0	991 return (pTempContext ? ALC_TRUE : ALC_FALSE);
rlm@0	992 }
rlm@0	993
rlm@0	994
rlm@0	995 /*
rlm@0	996 alcSetError
rlm@0	997
rlm@0	998 Store latest ALC Error
rlm@0	999 */
rlm@0	1000 ALCvoid alcSetError(ALCdevice *device, ALenum errorCode)
rlm@0	1001 {
rlm@0	1002 LockLists();
rlm@0	1003 if(IsDevice(device))
rlm@0	1004 device->LastError = errorCode;
rlm@0	1005 else
rlm@0	1006 g_eLastNullDeviceError = errorCode;
rlm@0	1007 UnlockLists();
rlm@0	1008 }
rlm@0	1009
rlm@0	1010
rlm@0	1011 /* UpdateDeviceParams:
rlm@0	1012 *
rlm@0	1013 * Updates device parameters according to the attribute list.
rlm@0	1014 */
rlm@0	1015 static ALCboolean UpdateDeviceParams(ALCdevice device, const ALCint attrList)
rlm@0	1016 {
rlm@0	1017 ALuint i;
rlm@0	1018
rlm@0	1019 // Check for attributes
rlm@0	1020 if(attrList && attrList[0])
rlm@0	1021 {
rlm@0	1022 ALCuint freq, numMono, numStereo, numSends;
rlm@0	1023 enum DevFmtChannels schans;
rlm@0	1024 enum DevFmtType stype;
rlm@0	1025 ALuint attrIdx;
rlm@0	1026
rlm@0	1027 // If a context is already running on the device, stop playback so the
rlm@0	1028 // device attributes can be updated
rlm@0	1029 if((device->Flags&DEVICE_RUNNING))
rlm@0	1030 ALCdevice_StopPlayback(device);
rlm@0	1031 device->Flags &= ~DEVICE_RUNNING;
rlm@0	1032
rlm@0	1033 freq = device->Frequency;
rlm@0	1034 schans = device->FmtChans;
rlm@0	1035 stype = device->FmtType;
rlm@0	1036 numMono = device->NumMonoSources;
rlm@0	1037 numStereo = device->NumStereoSources;
rlm@0	1038 numSends = device->NumAuxSends;
rlm@0	1039
rlm@0	1040 freq = GetConfigValueInt(NULL, "frequency", freq);
rlm@0	1041 if(freq < 8000) freq = 8000;
rlm@0	1042
rlm@0	1043 attrIdx = 0;
rlm@0	1044 while(attrList[attrIdx])
rlm@0	1045 {
rlm@0	1046 if(attrList[attrIdx] == ALC_FORMAT_CHANNELS_SOFT &&
rlm@0	1047 device->IsLoopbackDevice)
rlm@0	1048 {
rlm@0	1049 ALCint val = attrList[attrIdx + 1];
rlm@0	1050 if(!IsValidALCChannels(val) \|\| !ChannelsFromDevFmt(val))
rlm@0	1051 {
rlm@0	1052 alcSetError(device, ALC_INVALID_VALUE);
rlm@0	1053 return ALC_FALSE;
rlm@0	1054 }
rlm@0	1055 schans = val;
rlm@0	1056 }
rlm@0	1057
rlm@0	1058 if(attrList[attrIdx] == ALC_FORMAT_TYPE_SOFT &&
rlm@0	1059 device->IsLoopbackDevice)
rlm@0	1060 {
rlm@0	1061 ALCint val = attrList[attrIdx + 1];
rlm@0	1062 if(!IsValidALCType(val) \|\| !BytesFromDevFmt(val))
rlm@0	1063 {
rlm@0	1064 alcSetError(device, ALC_INVALID_VALUE);
rlm@0	1065 return ALC_FALSE;
rlm@0	1066 }
rlm@0	1067 stype = val;
rlm@0	1068 }
rlm@0	1069
rlm@0	1070 if(attrList[attrIdx] == ALC_FREQUENCY)
rlm@0	1071 {
rlm@0	1072 if(device->IsLoopbackDevice)
rlm@0	1073 {
rlm@0	1074 freq = attrList[attrIdx + 1];
rlm@0	1075 if(freq < 8000)
rlm@0	1076 {
rlm@0	1077 alcSetError(device, ALC_INVALID_VALUE);
rlm@0	1078 return ALC_FALSE;
rlm@0	1079 }
rlm@0	1080 }
rlm@0	1081 else if(!ConfigValueExists(NULL, "frequency"))
rlm@0	1082 {
rlm@0	1083 freq = attrList[attrIdx + 1];
rlm@0	1084 if(freq < 8000) freq = 8000;
rlm@0	1085 device->Flags \|= DEVICE_FREQUENCY_REQUEST;
rlm@0	1086 }
rlm@0	1087 }
rlm@0	1088
rlm@0	1089 if(attrList[attrIdx] == ALC_STEREO_SOURCES)
rlm@0	1090 {
rlm@0	1091 numStereo = attrList[attrIdx + 1];
rlm@0	1092 if(numStereo > device->MaxNoOfSources)
rlm@0	1093 numStereo = device->MaxNoOfSources;
rlm@0	1094
rlm@0	1095 numMono = device->MaxNoOfSources - numStereo;
rlm@0	1096 }
rlm@0	1097
rlm@0	1098 if(attrList[attrIdx] == ALC_MAX_AUXILIARY_SENDS &&
rlm@0	1099 !ConfigValueExists(NULL, "sends"))
rlm@0	1100 {
rlm@0	1101 numSends = attrList[attrIdx + 1];
rlm@0	1102 if(numSends > MAX_SENDS)
rlm@0	1103 numSends = MAX_SENDS;
rlm@0	1104 }
rlm@0	1105
rlm@0	1106 attrIdx += 2;
rlm@0	1107 }
rlm@0	1108
rlm@0	1109 device->UpdateSize = (ALuint64)device->UpdateSize * freq /
rlm@0	1110 device->Frequency;
rlm@0	1111
rlm@0	1112 device->Frequency = freq;
rlm@0	1113 device->FmtChans = schans;
rlm@0	1114 device->FmtType = stype;
rlm@0	1115 device->NumMonoSources = numMono;
rlm@0	1116 device->NumStereoSources = numStereo;
rlm@0	1117 device->NumAuxSends = numSends;
rlm@0	1118 }
rlm@0	1119
rlm@0	1120 if((device->Flags&DEVICE_RUNNING))
rlm@0	1121 return ALC_TRUE;
rlm@0	1122
rlm@0	1123 LockDevice(device);
rlm@0	1124 TRACE("Format pre-setup: %s%s, %s, %uhz%s, %u update size x%d\n",
rlm@0	1125 DevFmtChannelsString(device->FmtChans),
rlm@0	1126 (device->Flags&DEVICE_CHANNELS_REQUEST)?" (requested)":"",
rlm@0	1127 DevFmtTypeString(device->FmtType), device->Frequency,
rlm@0	1128 (device->Flags&DEVICE_FREQUENCY_REQUEST)?" (requested)":"",
rlm@0	1129 device->UpdateSize, device->NumUpdates);
rlm@0	1130 if(ALCdevice_ResetPlayback(device) == ALC_FALSE)
rlm@0	1131 {
rlm@0	1132 UnlockDevice(device);
rlm@0	1133 return ALC_FALSE;
rlm@0	1134 }
rlm@0	1135 device->Flags \|= DEVICE_RUNNING;
rlm@0	1136 TRACE("Format post-setup: %s%s, %s, %uhz%s, %u update size x%d\n",
rlm@0	1137 DevFmtChannelsString(device->FmtChans),
rlm@0	1138 (device->Flags&DEVICE_CHANNELS_REQUEST)?" (requested)":"",
rlm@0	1139 DevFmtTypeString(device->FmtType), device->Frequency,
rlm@0	1140 (device->Flags&DEVICE_FREQUENCY_REQUEST)?" (requested)":"",
rlm@0	1141 device->UpdateSize, device->NumUpdates);
rlm@0	1142
rlm@0	1143 aluInitPanning(device);
rlm@0	1144
rlm@0	1145 for(i = 0;i < MAXCHANNELS;i++)
rlm@0	1146 {
rlm@0	1147 device->ClickRemoval[i] = 0.0f;
rlm@0	1148 device->PendingClicks[i] = 0.0f;
rlm@0	1149 }
rlm@0	1150
rlm@0	1151 if(!device->IsLoopbackDevice && GetConfigValueBool(NULL, "hrtf", AL_FALSE))
rlm@0	1152 device->Flags \|= DEVICE_USE_HRTF;
rlm@0	1153 if((device->Flags&DEVICE_USE_HRTF) && !IsHrtfCompatible(device))
rlm@0	1154 device->Flags &= ~DEVICE_USE_HRTF;
rlm@0	1155 TRACE("HRTF %s\n", (device->Flags&DEVICE_USE_HRTF)?"enabled":"disabled");
rlm@0	1156
rlm@0	1157 if(!(device->Flags&DEVICE_USE_HRTF) && device->Bs2bLevel > 0 && device->Bs2bLevel <= 6)
rlm@0	1158 {
rlm@0	1159 if(!device->Bs2b)
rlm@0	1160 {
rlm@0	1161 device->Bs2b = calloc(1, sizeof(*device->Bs2b));
rlm@0	1162 bs2b_clear(device->Bs2b);
rlm@0	1163 }
rlm@0	1164 bs2b_set_srate(device->Bs2b, device->Frequency);
rlm@0	1165 bs2b_set_level(device->Bs2b, device->Bs2bLevel);
rlm@0	1166 TRACE("BS2B level %d\n", device->Bs2bLevel);
rlm@0	1167 }
rlm@0	1168 else
rlm@0	1169 {
rlm@0	1170 free(device->Bs2b);
rlm@0	1171 device->Bs2b = NULL;
rlm@0	1172 TRACE("BS2B disabled\n");
rlm@0	1173 }
rlm@0	1174
rlm@0	1175 device->Flags &= ~DEVICE_DUPLICATE_STEREO;
rlm@0	1176 switch(device->FmtChans)
rlm@0	1177 {
rlm@0	1178 case DevFmtMono:
rlm@0	1179 case DevFmtStereo:
rlm@0	1180 break;
rlm@0	1181 case DevFmtQuad:
rlm@0	1182 case DevFmtX51:
rlm@0	1183 case DevFmtX51Side:
rlm@0	1184 case DevFmtX61:
rlm@0	1185 case DevFmtX71:
rlm@0	1186 if(GetConfigValueBool(NULL, "stereodup", AL_TRUE))
rlm@0	1187 device->Flags \|= DEVICE_DUPLICATE_STEREO;
rlm@0	1188 break;
rlm@0	1189 }
rlm@0	1190 TRACE("Stereo duplication %s\n", (device->Flags&DEVICE_DUPLICATE_STEREO)?"enabled":"disabled");
rlm@0	1191
rlm@0	1192 for(i = 0;i < device->NumContexts;i++)
rlm@0	1193 {
rlm@0	1194 ALCcontext *context = device->Contexts[i];
rlm@0	1195 ALsizei pos;
rlm@0	1196
rlm@0	1197 context->UpdateSources = AL_FALSE;
rlm@0	1198 for(pos = 0;pos < context->EffectSlotMap.size;pos++)
rlm@0	1199 {
rlm@0	1200 ALeffectslot *slot = context->EffectSlotMap.array[pos].value;
rlm@0	1201
rlm@0	1202 if(ALEffect_DeviceUpdate(slot->EffectState, device) == AL_FALSE)
rlm@0	1203 {
rlm@0	1204 UnlockDevice(device);
rlm@0	1205 ALCdevice_StopPlayback(device);
rlm@0	1206 device->Flags &= ~DEVICE_RUNNING;
rlm@0	1207 return ALC_FALSE;
rlm@0	1208 }
rlm@0	1209 slot->NeedsUpdate = AL_FALSE;
rlm@0	1210 ALEffect_Update(slot->EffectState, context, slot);
rlm@0	1211 }
rlm@0	1212
rlm@0	1213 for(pos = 0;pos < context->SourceMap.size;pos++)
rlm@0	1214 {
rlm@0	1215 ALsource *source = context->SourceMap.array[pos].value;
rlm@0	1216 ALuint s = device->NumAuxSends;
rlm@0	1217 while(s < MAX_SENDS)
rlm@0	1218 {
rlm@0	1219 if(source->Send[s].Slot)
rlm@0	1220 source->Send[s].Slot->refcount--;
rlm@0	1221 source->Send[s].Slot = NULL;
rlm@0	1222 source->Send[s].WetFilter.type = 0;
rlm@0	1223 source->Send[s].WetFilter.filter = 0;
rlm@0	1224 s++;
rlm@0	1225 }
rlm@0	1226 source->NeedsUpdate = AL_FALSE;
rlm@0	1227 ALsource_Update(source, context);
rlm@0	1228 }
rlm@0	1229 }
rlm@0	1230 UnlockDevice(device);
rlm@0	1231
rlm@0	1232 return ALC_TRUE;
rlm@0	1233 }
rlm@0	1234
rlm@0	1235
rlm@0	1236 ALCvoid LockDevice(ALCdevice *device)
rlm@0	1237 {
rlm@0	1238 EnterCriticalSection(&device->Mutex);
rlm@0	1239 }
rlm@0	1240
rlm@0	1241 ALCvoid UnlockDevice(ALCdevice *device)
rlm@0	1242 {
rlm@0	1243 LeaveCriticalSection(&device->Mutex);
rlm@0	1244 }
rlm@0	1245
rlm@0	1246 /*
rlm@0	1247 LockContext
rlm@0	1248
rlm@0	1249 Thread-safe entry
rlm@0	1250 */
rlm@0	1251 ALCvoid LockContext(ALCcontext *context)
rlm@0	1252 {
rlm@0	1253 EnterCriticalSection(&context->Device->Mutex);
rlm@0	1254 }
rlm@0	1255
rlm@0	1256
rlm@0	1257 /*
rlm@0	1258 UnlockContext
rlm@0	1259
rlm@0	1260 Thread-safe exit
rlm@0	1261 */
rlm@0	1262 ALCvoid UnlockContext(ALCcontext *context)
rlm@0	1263 {
rlm@0	1264 LeaveCriticalSection(&context->Device->Mutex);
rlm@0	1265 }
rlm@0	1266
rlm@0	1267
rlm@0	1268 /*
rlm@0	1269 GetLockedContext
rlm@0	1270
rlm@0	1271 Returns the currently active Context, in a locked state
rlm@0	1272 */
rlm@0	1273 ALCcontext *GetLockedContext(void)
rlm@0	1274 {
rlm@0	1275 ALCcontext *pContext = NULL;
rlm@0	1276
rlm@0	1277 LockLists();
rlm@0	1278
rlm@0	1279 pContext = tls_get(LocalContext);
rlm@0	1280 if(pContext && !IsContext(pContext))
rlm@0	1281 {
rlm@0	1282 tls_set(LocalContext, NULL);
rlm@0	1283 pContext = NULL;
rlm@0	1284 }
rlm@0	1285 if(!pContext)
rlm@0	1286 pContext = GlobalContext;
rlm@0	1287 if(pContext)
rlm@0	1288 LockContext(pContext);
rlm@0	1289
rlm@0	1290 UnlockLists();
rlm@0	1291
rlm@0	1292 return pContext;
rlm@0	1293 }
rlm@0	1294
rlm@0	1295
rlm@0	1296 /*
rlm@0	1297 InitContext
rlm@0	1298
rlm@0	1299 Initialize Context variables
rlm@0	1300 */
rlm@0	1301 static ALvoid InitContext(ALCcontext *pContext)
rlm@0	1302 {
rlm@0	1303 //Initialise listener
rlm@0	1304 pContext->Listener.Gain = 1.0f;
rlm@0	1305 pContext->Listener.MetersPerUnit = 1.0f;
rlm@0	1306 pContext->Listener.Position[0] = 0.0f;
rlm@0	1307 pContext->Listener.Position[1] = 0.0f;
rlm@0	1308 pContext->Listener.Position[2] = 0.0f;
rlm@0	1309 pContext->Listener.Velocity[0] = 0.0f;
rlm@0	1310 pContext->Listener.Velocity[1] = 0.0f;
rlm@0	1311 pContext->Listener.Velocity[2] = 0.0f;
rlm@0	1312 pContext->Listener.Forward[0] = 0.0f;
rlm@0	1313 pContext->Listener.Forward[1] = 0.0f;
rlm@0	1314 pContext->Listener.Forward[2] = -1.0f;
rlm@0	1315 pContext->Listener.Up[0] = 0.0f;
rlm@0	1316 pContext->Listener.Up[1] = 1.0f;
rlm@0	1317 pContext->Listener.Up[2] = 0.0f;
rlm@0	1318
rlm@0	1319 //Validate pContext
rlm@0	1320 pContext->LastError = AL_NO_ERROR;
rlm@0	1321 pContext->UpdateSources = AL_FALSE;
rlm@0	1322 pContext->ActiveSourceCount = 0;
rlm@0	1323 InitUIntMap(&pContext->SourceMap);
rlm@0	1324 InitUIntMap(&pContext->EffectSlotMap);
rlm@0	1325
rlm@0	1326 //Set globals
rlm@0	1327 pContext->DistanceModel = AL_INVERSE_DISTANCE_CLAMPED;
rlm@0	1328 pContext->SourceDistanceModel = AL_FALSE;
rlm@0	1329 pContext->DopplerFactor = 1.0f;
rlm@0	1330 pContext->DopplerVelocity = 1.0f;
rlm@0	1331 pContext->flSpeedOfSound = SPEEDOFSOUNDMETRESPERSEC;
rlm@0	1332 pContext->DeferUpdates = AL_FALSE;
rlm@0	1333
rlm@0	1334 pContext->ExtensionList = alExtList;
rlm@0	1335 }
rlm@0	1336
rlm@0	1337
rlm@0	1338 /*
rlm@0	1339 FreeContext
rlm@0	1340
rlm@0	1341 Clean up Context, destroy any remaining Sources
rlm@0	1342 */
rlm@0	1343 static ALCvoid FreeContext(ALCcontext *context)
rlm@0	1344 {
rlm@0	1345 //Invalidate context
rlm@0	1346 memset(context, 0, sizeof(ALCcontext));
rlm@0	1347 free(context);
rlm@0	1348 }
rlm@0	1349
rlm@0	1350 ///////////////////////////////////////////////////////
rlm@0	1351
rlm@0	1352
rlm@0	1353 ///////////////////////////////////////////////////////
rlm@0	1354 // ALC Functions calls
rlm@0	1355
rlm@0	1356
rlm@0	1357 // This should probably move to another c file but for now ...
rlm@0	1358 ALC_API ALCdevice* ALC_APIENTRY alcCaptureOpenDevice(const ALCchar *deviceName, ALCuint frequency, ALCenum format, ALCsizei SampleSize)
rlm@0	1359 {
rlm@0	1360 ALCdevice *device = NULL;
rlm@0	1361
rlm@0	1362 DO_INITCONFIG();
rlm@0	1363
rlm@0	1364 if(!CaptureBackend.name)
rlm@0	1365 {
rlm@0	1366 alcSetError(NULL, ALC_INVALID_VALUE);
rlm@0	1367 return NULL;
rlm@0	1368 }
rlm@0	1369
rlm@0	1370 if(SampleSize <= 0)
rlm@0	1371 {
rlm@0	1372 alcSetError(NULL, ALC_INVALID_VALUE);
rlm@0	1373 return NULL;
rlm@0	1374 }
rlm@0	1375
rlm@0	1376 if(deviceName && (!deviceName[0] \|\| strcasecmp(deviceName, "openal soft") == 0 \|\| strcasecmp(deviceName, "openal-soft") == 0))
rlm@0	1377 deviceName = NULL;
rlm@0	1378
rlm@0	1379 device = calloc(1, sizeof(ALCdevice));
rlm@0	1380 if(!device)
rlm@0	1381 {
rlm@0	1382 alcSetError(NULL, ALC_OUT_OF_MEMORY);
rlm@0	1383 return NULL;
rlm@0	1384 }
rlm@0	1385
rlm@0	1386 //Validate device
rlm@0	1387 device->Funcs = &CaptureBackend.Funcs;
rlm@0	1388 device->Connected = ALC_TRUE;
rlm@0	1389 device->IsCaptureDevice = AL_TRUE;
rlm@0	1390 device->IsLoopbackDevice = AL_FALSE;
rlm@0	1391 InitializeCriticalSection(&device->Mutex);
rlm@0	1392
rlm@0	1393 device->szDeviceName = NULL;
rlm@0	1394
rlm@0	1395 device->Flags \|= DEVICE_FREQUENCY_REQUEST;
rlm@0	1396 device->Frequency = frequency;
rlm@0	1397
rlm@0	1398 device->Flags \|= DEVICE_CHANNELS_REQUEST;
rlm@0	1399 if(DecomposeDevFormat(format, &device->FmtChans, &device->FmtType) == AL_FALSE)
rlm@0	1400 {
rlm@0	1401 free(device);
rlm@0	1402 alcSetError(NULL, ALC_INVALID_ENUM);
rlm@0	1403 return NULL;
rlm@0	1404 }
rlm@0	1405
rlm@0	1406 device->UpdateSize = SampleSize;
rlm@0	1407 device->NumUpdates = 1;
rlm@0	1408
rlm@0	1409 LockLists();
rlm@0	1410 if(ALCdevice_OpenCapture(device, deviceName))
rlm@0	1411 {
rlm@0	1412 device->next = g_pDeviceList;
rlm@0	1413 g_pDeviceList = device;
rlm@0	1414 g_ulDeviceCount++;
rlm@0	1415 }
rlm@0	1416 else
rlm@0	1417 {
rlm@0	1418 DeleteCriticalSection(&device->Mutex);
rlm@0	1419 free(device);
rlm@0	1420 device = NULL;
rlm@0	1421 alcSetError(NULL, ALC_INVALID_VALUE);
rlm@0	1422 }
rlm@0	1423 UnlockLists();
rlm@0	1424
rlm@0	1425 return device;
rlm@0	1426 }
rlm@0	1427
rlm@0	1428 ALC_API ALCboolean ALC_APIENTRY alcCaptureCloseDevice(ALCdevice *pDevice)
rlm@0	1429 {
rlm@0	1430 ALCdevice **list;
rlm@0	1431
rlm@0	1432 LockLists();
rlm@0	1433 list = &g_pDeviceList;
rlm@0	1434 while(list && list != pDevice)
rlm@0	1435 list = &(*list)->next;
rlm@0	1436
rlm@0	1437 if(!list \|\| !(list)->IsCaptureDevice)
rlm@0	1438 {
rlm@0	1439 alcSetError(*list, ALC_INVALID_DEVICE);
rlm@0	1440 UnlockLists();
rlm@0	1441 return ALC_FALSE;
rlm@0	1442 }
rlm@0	1443
rlm@0	1444 list = (list)->next;
rlm@0	1445 g_ulDeviceCount--;
rlm@0	1446
rlm@0	1447 UnlockLists();
rlm@0	1448
rlm@0	1449 LockDevice(pDevice);
rlm@0	1450 ALCdevice_CloseCapture(pDevice);
rlm@0	1451 UnlockDevice(pDevice);
rlm@0	1452
rlm@0	1453 free(pDevice->szDeviceName);
rlm@0	1454 pDevice->szDeviceName = NULL;
rlm@0	1455
rlm@0	1456 DeleteCriticalSection(&pDevice->Mutex);
rlm@0	1457
rlm@0	1458 free(pDevice);
rlm@0	1459
rlm@0	1460 return ALC_TRUE;
rlm@0	1461 }
rlm@0	1462
rlm@0	1463 ALC_API void ALC_APIENTRY alcCaptureStart(ALCdevice *device)
rlm@0	1464 {
rlm@0	1465 LockLists();
rlm@0	1466 if(!IsDevice(device) \|\| !device->IsCaptureDevice)
rlm@0	1467 {
rlm@0	1468 alcSetError(device, ALC_INVALID_DEVICE);
rlm@0	1469 UnlockLists();
rlm@0	1470 return;
rlm@0	1471 }
rlm@0	1472 LockDevice(device);
rlm@0	1473 UnlockLists();
rlm@0	1474 if(device->Connected)
rlm@0	1475 ALCdevice_StartCapture(device);
rlm@0	1476 UnlockDevice(device);
rlm@0	1477 }
rlm@0	1478
rlm@0	1479 ALC_API void ALC_APIENTRY alcCaptureStop(ALCdevice *device)
rlm@0	1480 {
rlm@0	1481 LockLists();
rlm@0	1482 if(!IsDevice(device) \|\| !device->IsCaptureDevice)
rlm@0	1483 {
rlm@0	1484 alcSetError(device, ALC_INVALID_DEVICE);
rlm@0	1485 UnlockLists();
rlm@0	1486 return;
rlm@0	1487 }
rlm@0	1488 LockDevice(device);
rlm@0	1489 UnlockLists();
rlm@0	1490 if(device->Connected)
rlm@0	1491 ALCdevice_StopCapture(device);
rlm@0	1492 UnlockDevice(device);
rlm@0	1493 }
rlm@0	1494
rlm@0	1495 ALC_API void ALC_APIENTRY alcCaptureSamples(ALCdevice device, ALCvoid buffer, ALCsizei samples)
rlm@0	1496 {
rlm@0	1497 LockLists();
rlm@0	1498 if(!IsDevice(device) \|\| !device->IsCaptureDevice)
rlm@0	1499 {
rlm@0	1500 alcSetError(device, ALC_INVALID_DEVICE);
rlm@0	1501 UnlockLists();
rlm@0	1502 return;
rlm@0	1503 }
rlm@0	1504 LockDevice(device);
rlm@0	1505 UnlockLists();
rlm@0	1506 if(device->Connected)
rlm@0	1507 ALCdevice_CaptureSamples(device, buffer, samples);
rlm@0	1508 UnlockDevice(device);
rlm@0	1509 }
rlm@0	1510
rlm@0	1511 /*
rlm@0	1512 alcGetError
rlm@0	1513
rlm@0	1514 Return last ALC generated error code
rlm@0	1515 */
rlm@0	1516 ALC_API ALCenum ALC_APIENTRY alcGetError(ALCdevice *device)
rlm@0	1517 {
rlm@0	1518 ALCenum errorCode;
rlm@0	1519
rlm@0	1520 LockLists();
rlm@0	1521 if(IsDevice(device))
rlm@0	1522 {
rlm@0	1523 errorCode = device->LastError;
rlm@0	1524 device->LastError = ALC_NO_ERROR;
rlm@0	1525 }
rlm@0	1526 else
rlm@0	1527 {
rlm@0	1528 errorCode = g_eLastNullDeviceError;
rlm@0	1529 g_eLastNullDeviceError = ALC_NO_ERROR;
rlm@0	1530 }
rlm@0	1531 UnlockLists();
rlm@0	1532 return errorCode;
rlm@0	1533 }
rlm@0	1534
rlm@0	1535
rlm@0	1536 /*
rlm@0	1537 alcSuspendContext
rlm@0	1538
rlm@0	1539 Not functional
rlm@0	1540 */
rlm@0	1541 ALC_API ALCvoid ALC_APIENTRY alcSuspendContext(ALCcontext *Context)
rlm@0	1542 {
rlm@0	1543 (void)Context;
rlm@0	1544 }
rlm@0	1545
rlm@0	1546
rlm@0	1547 /*
rlm@0	1548 alcProcessContext
rlm@0	1549
rlm@0	1550 Not functional
rlm@0	1551 */
rlm@0	1552 ALC_API ALCvoid ALC_APIENTRY alcProcessContext(ALCcontext *Context)
rlm@0	1553 {
rlm@0	1554 (void)Context;
rlm@0	1555 }
rlm@0	1556
rlm@0	1557
rlm@0	1558 /*
rlm@0	1559 alcGetString
rlm@0	1560
rlm@0	1561 Returns information about the Device, and error strings
rlm@0	1562 */
rlm@0	1563 ALC_API const ALCchar* ALC_APIENTRY alcGetString(ALCdevice *pDevice,ALCenum param)
rlm@0	1564 {
rlm@0	1565 const ALCchar *value = NULL;
rlm@0	1566
rlm@0	1567 switch(param)
rlm@0	1568 {
rlm@0	1569 case ALC_NO_ERROR:
rlm@0	1570 value = alcNoError;
rlm@0	1571 break;
rlm@0	1572
rlm@0	1573 case ALC_INVALID_ENUM:
rlm@0	1574 value = alcErrInvalidEnum;
rlm@0	1575 break;
rlm@0	1576
rlm@0	1577 case ALC_INVALID_VALUE:
rlm@0	1578 value = alcErrInvalidValue;
rlm@0	1579 break;
rlm@0	1580
rlm@0	1581 case ALC_INVALID_DEVICE:
rlm@0	1582 value = alcErrInvalidDevice;
rlm@0	1583 break;
rlm@0	1584
rlm@0	1585 case ALC_INVALID_CONTEXT:
rlm@0	1586 value = alcErrInvalidContext;
rlm@0	1587 break;
rlm@0	1588
rlm@0	1589 case ALC_OUT_OF_MEMORY:
rlm@0	1590 value = alcErrOutOfMemory;
rlm@0	1591 break;
rlm@0	1592
rlm@0	1593 case ALC_DEVICE_SPECIFIER:
rlm@0	1594 LockLists();
rlm@0	1595 if(IsDevice(pDevice))
rlm@0	1596 value = pDevice->szDeviceName;
rlm@0	1597 else
rlm@0	1598 {
rlm@0	1599 ProbeDeviceList();
rlm@0	1600 value = alcDeviceList;
rlm@0	1601 }
rlm@0	1602 UnlockLists();
rlm@0	1603 break;
rlm@0	1604
rlm@0	1605 case ALC_ALL_DEVICES_SPECIFIER:
rlm@0	1606 ProbeAllDeviceList();
rlm@0	1607 value = alcAllDeviceList;
rlm@0	1608 break;
rlm@0	1609
rlm@0	1610 case ALC_CAPTURE_DEVICE_SPECIFIER:
rlm@0	1611 LockLists();
rlm@0	1612 if(IsDevice(pDevice))
rlm@0	1613 value = pDevice->szDeviceName;
rlm@0	1614 else
rlm@0	1615 {
rlm@0	1616 ProbeCaptureDeviceList();
rlm@0	1617 value = alcCaptureDeviceList;
rlm@0	1618 }
rlm@0	1619 UnlockLists();
rlm@0	1620 break;
rlm@0	1621
rlm@0	1622 /* Default devices are always first in the list */
rlm@0	1623 case ALC_DEFAULT_DEVICE_SPECIFIER:
rlm@0	1624 if(!alcDeviceList)
rlm@0	1625 ProbeDeviceList();
rlm@0	1626
rlm@0	1627 free(alcDefaultDeviceSpecifier);
rlm@0	1628 alcDefaultDeviceSpecifier = strdup(alcDeviceList ? alcDeviceList : "");
rlm@0	1629 if(!alcDefaultDeviceSpecifier)
rlm@0	1630 alcSetError(pDevice, ALC_OUT_OF_MEMORY);
rlm@0	1631 value = alcDefaultDeviceSpecifier;
rlm@0	1632 break;
rlm@0	1633
rlm@0	1634 case ALC_DEFAULT_ALL_DEVICES_SPECIFIER:
rlm@0	1635 if(!alcAllDeviceList)
rlm@0	1636 ProbeAllDeviceList();
rlm@0	1637
rlm@0	1638 free(alcDefaultAllDeviceSpecifier);
rlm@0	1639 alcDefaultAllDeviceSpecifier = strdup(alcAllDeviceList ?
rlm@0	1640 alcAllDeviceList : "");
rlm@0	1641 if(!alcDefaultAllDeviceSpecifier)
rlm@0	1642 alcSetError(pDevice, ALC_OUT_OF_MEMORY);
rlm@0	1643 value = alcDefaultAllDeviceSpecifier;
rlm@0	1644 break;
rlm@0	1645
rlm@0	1646 case ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER:
rlm@0	1647 if(!alcCaptureDeviceList)
rlm@0	1648 ProbeCaptureDeviceList();
rlm@0	1649
rlm@0	1650 free(alcCaptureDefaultDeviceSpecifier);
rlm@0	1651 alcCaptureDefaultDeviceSpecifier = strdup(alcCaptureDeviceList ?
rlm@0	1652 alcCaptureDeviceList : "");
rlm@0	1653 if(!alcCaptureDefaultDeviceSpecifier)
rlm@0	1654 alcSetError(pDevice, ALC_OUT_OF_MEMORY);
rlm@0	1655 value = alcCaptureDefaultDeviceSpecifier;
rlm@0	1656 break;
rlm@0	1657
rlm@0	1658 case ALC_EXTENSIONS:
rlm@0	1659 LockLists();
rlm@0	1660 if(IsDevice(pDevice))
rlm@0	1661 value = alcExtensionList;
rlm@0	1662 else
rlm@0	1663 value = alcNoDeviceExtList;
rlm@0	1664 UnlockLists();
rlm@0	1665 break;
rlm@0	1666
rlm@0	1667 default:
rlm@0	1668 alcSetError(pDevice, ALC_INVALID_ENUM);
rlm@0	1669 break;
rlm@0	1670 }
rlm@0	1671
rlm@0	1672 return value;
rlm@0	1673 }
rlm@0	1674
rlm@0	1675
rlm@0	1676 /*
rlm@0	1677 alcGetIntegerv
rlm@0	1678
rlm@0	1679 Returns information about the Device and the version of Open AL
rlm@0	1680 */
rlm@0	1681 ALC_API ALCvoid ALC_APIENTRY alcGetIntegerv(ALCdevice device,ALCenum param,ALsizei size,ALCint data)
rlm@0	1682 {
rlm@0	1683 if(size == 0 \|\| data == NULL)
rlm@0	1684 {
rlm@0	1685 alcSetError(device, ALC_INVALID_VALUE);
rlm@0	1686 return;
rlm@0	1687 }
rlm@0	1688
rlm@0	1689 LockLists();
rlm@0	1690 if(!IsDevice(device))
rlm@0	1691 {
rlm@0	1692 switch(param)
rlm@0	1693 {
rlm@0	1694 case ALC_MAJOR_VERSION:
rlm@0	1695 *data = alcMajorVersion;
rlm@0	1696 break;
rlm@0	1697 case ALC_MINOR_VERSION:
rlm@0	1698 *data = alcMinorVersion;
rlm@0	1699 break;
rlm@0	1700
rlm@0	1701 case ALC_ATTRIBUTES_SIZE:
rlm@0	1702 case ALC_ALL_ATTRIBUTES:
rlm@0	1703 case ALC_FREQUENCY:
rlm@0	1704 case ALC_REFRESH:
rlm@0	1705 case ALC_SYNC:
rlm@0	1706 case ALC_MONO_SOURCES:
rlm@0	1707 case ALC_STEREO_SOURCES:
rlm@0	1708 case ALC_CAPTURE_SAMPLES:
rlm@0	1709 case ALC_FORMAT_CHANNELS_SOFT:
rlm@0	1710 case ALC_FORMAT_TYPE_SOFT:
rlm@0	1711 alcSetError(NULL, ALC_INVALID_DEVICE);
rlm@0	1712 break;
rlm@0	1713
rlm@0	1714 default:
rlm@0	1715 alcSetError(NULL, ALC_INVALID_ENUM);
rlm@0	1716 break;
rlm@0	1717 }
rlm@0	1718 }
rlm@0	1719 else if(device->IsCaptureDevice)
rlm@0	1720 {
rlm@0	1721 switch(param)
rlm@0	1722 {
rlm@0	1723 case ALC_CAPTURE_SAMPLES:
rlm@0	1724 LockDevice(device);
rlm@0	1725 *data = ALCdevice_AvailableSamples(device);
rlm@0	1726 UnlockDevice(device);
rlm@0	1727 break;
rlm@0	1728
rlm@0	1729 case ALC_CONNECTED:
rlm@0	1730 *data = device->Connected;
rlm@0	1731 break;
rlm@0	1732
rlm@0	1733 default:
rlm@0	1734 alcSetError(device, ALC_INVALID_ENUM);
rlm@0	1735 break;
rlm@0	1736 }
rlm@0	1737 }
rlm@0	1738 else /* render device */
rlm@0	1739 {
rlm@0	1740 switch(param)
rlm@0	1741 {
rlm@0	1742 case ALC_MAJOR_VERSION:
rlm@0	1743 *data = alcMajorVersion;
rlm@0	1744 break;
rlm@0	1745
rlm@0	1746 case ALC_MINOR_VERSION:
rlm@0	1747 *data = alcMinorVersion;
rlm@0	1748 break;
rlm@0	1749
rlm@0	1750 case ALC_EFX_MAJOR_VERSION:
rlm@0	1751 *data = alcEFXMajorVersion;
rlm@0	1752 break;
rlm@0	1753
rlm@0	1754 case ALC_EFX_MINOR_VERSION:
rlm@0	1755 *data = alcEFXMinorVersion;
rlm@0	1756 break;
rlm@0	1757
rlm@0	1758 case ALC_ATTRIBUTES_SIZE:
rlm@0	1759 *data = 13;
rlm@0	1760 break;
rlm@0	1761
rlm@0	1762 case ALC_ALL_ATTRIBUTES:
rlm@0	1763 if(size < 13)
rlm@0	1764 alcSetError(device, ALC_INVALID_VALUE);
rlm@0	1765 else
rlm@0	1766 {
rlm@0	1767 int i = 0;
rlm@0	1768
rlm@0	1769 data[i++] = ALC_FREQUENCY;
rlm@0	1770 data[i++] = device->Frequency;
rlm@0	1771
rlm@0	1772 if(!device->IsLoopbackDevice)
rlm@0	1773 {
rlm@0	1774 data[i++] = ALC_REFRESH;
rlm@0	1775 data[i++] = device->Frequency / device->UpdateSize;
rlm@0	1776
rlm@0	1777 data[i++] = ALC_SYNC;
rlm@0	1778 data[i++] = ALC_FALSE;
rlm@0	1779 }
rlm@0	1780 else
rlm@0	1781 {
rlm@0	1782 data[i++] = ALC_FORMAT_CHANNELS_SOFT;
rlm@0	1783 data[i++] = device->FmtChans;
rlm@0	1784
rlm@0	1785 data[i++] = ALC_FORMAT_TYPE_SOFT;
rlm@0	1786 data[i++] = device->FmtType;
rlm@0	1787 }
rlm@0	1788
rlm@0	1789 data[i++] = ALC_MONO_SOURCES;
rlm@0	1790 data[i++] = device->NumMonoSources;
rlm@0	1791
rlm@0	1792 data[i++] = ALC_STEREO_SOURCES;
rlm@0	1793 data[i++] = device->NumStereoSources;
rlm@0	1794
rlm@0	1795 data[i++] = ALC_MAX_AUXILIARY_SENDS;
rlm@0	1796 data[i++] = device->NumAuxSends;
rlm@0	1797
rlm@0	1798 data[i++] = 0;
rlm@0	1799 }
rlm@0	1800 break;
rlm@0	1801
rlm@0	1802 case ALC_FREQUENCY:
rlm@0	1803 *data = device->Frequency;
rlm@0	1804 break;
rlm@0	1805
rlm@0	1806 case ALC_REFRESH:
rlm@0	1807 if(device->IsLoopbackDevice)
rlm@0	1808 alcSetError(device, ALC_INVALID_DEVICE);
rlm@0	1809 else
rlm@0	1810 *data = device->Frequency / device->UpdateSize;
rlm@0	1811 break;
rlm@0	1812
rlm@0	1813 case ALC_SYNC:
rlm@0	1814 if(device->IsLoopbackDevice)
rlm@0	1815 alcSetError(device, ALC_INVALID_DEVICE);
rlm@0	1816 else
rlm@0	1817 *data = ALC_FALSE;
rlm@0	1818 break;
rlm@0	1819
rlm@0	1820 case ALC_FORMAT_CHANNELS_SOFT:
rlm@0	1821 if(!device->IsLoopbackDevice)
rlm@0	1822 alcSetError(device, ALC_INVALID_DEVICE);
rlm@0	1823 else
rlm@0	1824 *data = device->FmtChans;
rlm@0	1825 break;
rlm@0	1826
rlm@0	1827 case ALC_FORMAT_TYPE_SOFT:
rlm@0	1828 if(!device->IsLoopbackDevice)
rlm@0	1829 alcSetError(device, ALC_INVALID_DEVICE);
rlm@0	1830 else
rlm@0	1831 *data = device->FmtType;
rlm@0	1832 break;
rlm@0	1833
rlm@0	1834 case ALC_MONO_SOURCES:
rlm@0	1835 *data = device->NumMonoSources;
rlm@0	1836 break;
rlm@0	1837
rlm@0	1838 case ALC_STEREO_SOURCES:
rlm@0	1839 *data = device->NumStereoSources;
rlm@0	1840 break;
rlm@0	1841
rlm@0	1842 case ALC_MAX_AUXILIARY_SENDS:
rlm@0	1843 *data = device->NumAuxSends;
rlm@0	1844 break;
rlm@0	1845
rlm@0	1846 case ALC_CONNECTED:
rlm@0	1847 *data = device->Connected;
rlm@0	1848 break;
rlm@0	1849
rlm@0	1850 default:
rlm@0	1851 alcSetError(device, ALC_INVALID_ENUM);
rlm@0	1852 break;
rlm@0	1853 }
rlm@0	1854 }
rlm@0	1855 UnlockLists();
rlm@0	1856 }
rlm@0	1857
rlm@0	1858
rlm@0	1859 /*
rlm@0	1860 alcIsExtensionPresent
rlm@0	1861
rlm@0	1862 Determines if there is support for a particular extension
rlm@0	1863 */
rlm@0	1864 ALC_API ALCboolean ALC_APIENTRY alcIsExtensionPresent(ALCdevice device, const ALCchar extName)
rlm@0	1865 {
rlm@0	1866 ALCboolean bResult = ALC_FALSE;
rlm@0	1867 const char *ptr;
rlm@0	1868 size_t len;
rlm@0	1869
rlm@0	1870 if(!extName)
rlm@0	1871 {
rlm@0	1872 alcSetError(device, ALC_INVALID_VALUE);
rlm@0	1873 return ALC_FALSE;
rlm@0	1874 }
rlm@0	1875
rlm@0	1876 len = strlen(extName);
rlm@0	1877 LockLists();
rlm@0	1878 ptr = (IsDevice(device) ? alcExtensionList : alcNoDeviceExtList);
rlm@0	1879 UnlockLists();
rlm@0	1880 while(ptr && *ptr)
rlm@0	1881 {
rlm@0	1882 if(strncasecmp(ptr, extName, len) == 0 &&
rlm@0	1883 (ptr[len] == '\0' \|\| isspace(ptr[len])))
rlm@0	1884 {
rlm@0	1885 bResult = ALC_TRUE;
rlm@0	1886 break;
rlm@0	1887 }
rlm@0	1888 if((ptr=strchr(ptr, ' ')) != NULL)
rlm@0	1889 {
rlm@0	1890 do {
rlm@0	1891 ++ptr;
rlm@0	1892 } while(isspace(*ptr));
rlm@0	1893 }
rlm@0	1894 }
rlm@0	1895
rlm@0	1896 return bResult;
rlm@0	1897 }
rlm@0	1898
rlm@0	1899
rlm@0	1900 /*
rlm@0	1901 alcGetProcAddress
rlm@0	1902
rlm@0	1903 Retrieves the function address for a particular extension function
rlm@0	1904 */
rlm@0	1905 ALC_API ALCvoid* ALC_APIENTRY alcGetProcAddress(ALCdevice device, const ALCchar funcName)
rlm@0	1906 {
rlm@0	1907 ALsizei i = 0;
rlm@0	1908
rlm@0	1909 if(!funcName)
rlm@0	1910 {
rlm@0	1911 alcSetError(device, ALC_INVALID_VALUE);
rlm@0	1912 return NULL;
rlm@0	1913 }
rlm@0	1914
rlm@0	1915 while(alcFunctions[i].funcName && strcmp(alcFunctions[i].funcName,funcName) != 0)
rlm@0	1916 i++;
rlm@0	1917 return alcFunctions[i].address;
rlm@0	1918 }
rlm@0	1919
rlm@0	1920
rlm@0	1921 /*
rlm@0	1922 alcGetEnumValue
rlm@0	1923
rlm@0	1924 Get the value for a particular ALC Enumerated Value
rlm@0	1925 */
rlm@0	1926 ALC_API ALCenum ALC_APIENTRY alcGetEnumValue(ALCdevice device, const ALCchar enumName)
rlm@0	1927 {
rlm@0	1928 ALsizei i = 0;
rlm@0	1929
rlm@0	1930 if(!enumName)
rlm@0	1931 {
rlm@0	1932 alcSetError(device, ALC_INVALID_VALUE);
rlm@0	1933 return (ALCenum)0;
rlm@0	1934 }
rlm@0	1935
rlm@0	1936 while(enumeration[i].enumName && strcmp(enumeration[i].enumName,enumName) != 0)
rlm@0	1937 i++;
rlm@0	1938 return enumeration[i].value;
rlm@0	1939 }
rlm@0	1940
rlm@0	1941
rlm@0	1942 /*
rlm@0	1943 alcCreateContext
rlm@0	1944
rlm@0	1945 Create and attach a Context to a particular Device.
rlm@0	1946 */
rlm@0	1947 ALC_API ALCcontext* ALC_APIENTRY alcCreateContext(ALCdevice device, const ALCint attrList)
rlm@0	1948 {
rlm@0	1949 ALCcontext *ALContext;
rlm@0	1950 void *temp;
rlm@0	1951
rlm@0	1952 LockLists();
rlm@0	1953 if(!IsDevice(device) \|\| device->IsCaptureDevice \|\| !device->Connected)
rlm@0	1954 {
rlm@0	1955 alcSetError(device, ALC_INVALID_DEVICE);
rlm@0	1956 UnlockLists();
rlm@0	1957 return NULL;
rlm@0	1958 }
rlm@0	1959
rlm@0	1960 // Reset Context Last Error code
rlm@0	1961 device->LastError = ALC_NO_ERROR;
rlm@0	1962
rlm@0	1963 if(UpdateDeviceParams(device, attrList) == ALC_FALSE)
rlm@0	1964 {
rlm@0	1965 alcSetError(device, ALC_INVALID_DEVICE);
rlm@0	1966 aluHandleDisconnect(device);
rlm@0	1967 UnlockLists();
rlm@0	1968 return NULL;
rlm@0	1969 }
rlm@0	1970
rlm@0	1971 LockDevice(device);
rlm@0	1972 ALContext = NULL;
rlm@0	1973 temp = realloc(device->Contexts, (device->NumContexts+1) * sizeof(*device->Contexts));
rlm@0	1974 if(temp)
rlm@0	1975 {
rlm@0	1976 device->Contexts = temp;
rlm@0	1977
rlm@0	1978 ALContext = calloc(1, sizeof(ALCcontext));
rlm@0	1979 if(ALContext)
rlm@0	1980 {
rlm@0	1981 ALContext->MaxActiveSources = 256;
rlm@0	1982 ALContext->ActiveSources = malloc(sizeof(ALContext->ActiveSources[0]) *
rlm@0	1983 ALContext->MaxActiveSources);
rlm@0	1984 }
rlm@0	1985 }
rlm@0	1986 if(!ALContext \|\| !ALContext->ActiveSources)
rlm@0	1987 {
rlm@0	1988 free(ALContext);
rlm@0	1989 alcSetError(device, ALC_OUT_OF_MEMORY);
rlm@0	1990 UnlockDevice(device);
rlm@0	1991 if(device->NumContexts == 0)
rlm@0	1992 {
rlm@0	1993 ALCdevice_StopPlayback(device);
rlm@0	1994 device->Flags &= ~DEVICE_RUNNING;
rlm@0	1995 }
rlm@0	1996 UnlockLists();
rlm@0	1997 return NULL;
rlm@0	1998 }
rlm@0	1999
rlm@0	2000 device->Contexts[device->NumContexts++] = ALContext;
rlm@0	2001 ALContext->Device = device;
rlm@0	2002
rlm@0	2003 InitContext(ALContext);
rlm@0	2004 UnlockDevice(device);
rlm@0	2005
rlm@0	2006 ALContext->next = g_pContextList;
rlm@0	2007 g_pContextList = ALContext;
rlm@0	2008 g_ulContextCount++;
rlm@0	2009
rlm@0	2010 UnlockLists();
rlm@0	2011
rlm@0	2012 return ALContext;
rlm@0	2013 }
rlm@0	2014
rlm@0	2015
rlm@0	2016 /*
rlm@0	2017 alcDestroyContext
rlm@0	2018
rlm@0	2019 Remove a Context
rlm@0	2020 */
rlm@0	2021 ALC_API ALCvoid ALC_APIENTRY alcDestroyContext(ALCcontext *context)
rlm@0	2022 {
rlm@0	2023 ALCdevice *Device;
rlm@0	2024 ALCcontext **list;
rlm@0	2025 ALuint i;
rlm@0	2026
rlm@0	2027 LockLists();
rlm@0	2028 list = &g_pContextList;
rlm@0	2029 while(list && list != context)
rlm@0	2030 list = &(*list)->next;
rlm@0	2031
rlm@0	2032 if(!*list)
rlm@0	2033 {
rlm@0	2034 alcSetError(NULL, ALC_INVALID_CONTEXT);
rlm@0	2035 UnlockLists();
rlm@0	2036 return;
rlm@0	2037 }
rlm@0	2038
rlm@0	2039 list = (list)->next;
rlm@0	2040 g_ulContextCount--;
rlm@0	2041
rlm@0	2042 if(context == tls_get(LocalContext))
rlm@0	2043 tls_set(LocalContext, NULL);
rlm@0	2044 if(context == GlobalContext)
rlm@0	2045 GlobalContext = NULL;
rlm@0	2046
rlm@0	2047 Device = context->Device;
rlm@0	2048 LockDevice(Device);
rlm@0	2049 for(i = 0;i < Device->NumContexts;i++)
rlm@0	2050 {
rlm@0	2051 if(Device->Contexts[i] == context)
rlm@0	2052 {
rlm@0	2053 Device->Contexts[i] = Device->Contexts[Device->NumContexts-1];
rlm@0	2054 Device->NumContexts--;
rlm@0	2055 break;
rlm@0	2056 }
rlm@0	2057 }
rlm@0	2058 UnlockDevice(Device);
rlm@0	2059
rlm@0	2060 if(Device->NumContexts == 0)
rlm@0	2061 {
rlm@0	2062 ALCdevice_StopPlayback(Device);
rlm@0	2063 Device->Flags &= ~DEVICE_RUNNING;
rlm@0	2064 }
rlm@0	2065 UnlockLists();
rlm@0	2066
rlm@0	2067 if(context->SourceMap.size > 0)
rlm@0	2068 {
rlm@0	2069 ERR("alcDestroyContext(): deleting %d Source(s)\n", context->SourceMap.size);
rlm@0	2070 ReleaseALSources(context);
rlm@0	2071 }
rlm@0	2072 ResetUIntMap(&context->SourceMap);
rlm@0	2073
rlm@0	2074 if(context->EffectSlotMap.size > 0)
rlm@0	2075 {
rlm@0	2076 ERR("alcDestroyContext(): deleting %d AuxiliaryEffectSlot(s)\n", context->EffectSlotMap.size);
rlm@0	2077 ReleaseALAuxiliaryEffectSlots(context);
rlm@0	2078 }
rlm@0	2079 ResetUIntMap(&context->EffectSlotMap);
rlm@0	2080
rlm@0	2081 free(context->ActiveSources);
rlm@0	2082 context->ActiveSources = NULL;
rlm@0	2083 context->MaxActiveSources = 0;
rlm@0	2084 context->ActiveSourceCount = 0;
rlm@0	2085
rlm@0	2086 FreeContext(context);
rlm@0	2087 }
rlm@0	2088
rlm@0	2089
rlm@0	2090 /*
rlm@0	2091 alcGetCurrentContext
rlm@0	2092
rlm@0	2093 Returns the currently active Context
rlm@0	2094 */
rlm@0	2095 ALC_API ALCcontext* ALC_APIENTRY alcGetCurrentContext(ALCvoid)
rlm@0	2096 {
rlm@0	2097 ALCcontext *Context;
rlm@0	2098
rlm@0	2099 LockLists();
rlm@0	2100 Context = tls_get(LocalContext);
rlm@0	2101 if(Context && !IsContext(Context))
rlm@0	2102 {
rlm@0	2103 tls_set(LocalContext, NULL);
rlm@0	2104 Context = NULL;
rlm@0	2105 }
rlm@0	2106 if(!Context)
rlm@0	2107 Context = GlobalContext;
rlm@0	2108 UnlockLists();
rlm@0	2109
rlm@0	2110 return Context;
rlm@0	2111 }
rlm@0	2112
rlm@0	2113 /*
rlm@0	2114 alcGetThreadContext
rlm@0	2115
rlm@0	2116 Returns the currently active thread-local Context
rlm@0	2117 */
rlm@0	2118 ALC_API ALCcontext* ALC_APIENTRY alcGetThreadContext(void)
rlm@0	2119 {
rlm@0	2120 ALCcontext *pContext = NULL;
rlm@0	2121
rlm@0	2122 LockLists();
rlm@0	2123
rlm@0	2124 pContext = tls_get(LocalContext);
rlm@0	2125 if(pContext && !IsContext(pContext))
rlm@0	2126 {
rlm@0	2127 tls_set(LocalContext, NULL);
rlm@0	2128 pContext = NULL;
rlm@0	2129 }
rlm@0	2130
rlm@0	2131 UnlockLists();
rlm@0	2132
rlm@0	2133 return pContext;
rlm@0	2134 }
rlm@0	2135
rlm@0	2136
rlm@0	2137 /*
rlm@0	2138 alcGetContextsDevice
rlm@0	2139
rlm@0	2140 Returns the Device that a particular Context is attached to
rlm@0	2141 */
rlm@0	2142 ALC_API ALCdevice* ALC_APIENTRY alcGetContextsDevice(ALCcontext *pContext)
rlm@0	2143 {
rlm@0	2144 ALCdevice *pDevice = NULL;
rlm@0	2145
rlm@0	2146 LockLists();
rlm@0	2147 if(IsContext(pContext))
rlm@0	2148 pDevice = pContext->Device;
rlm@0	2149 else
rlm@0	2150 alcSetError(NULL, ALC_INVALID_CONTEXT);
rlm@0	2151 UnlockLists();
rlm@0	2152
rlm@0	2153 return pDevice;
rlm@0	2154 }
rlm@0	2155
rlm@0	2156
rlm@0	2157 /*
rlm@0	2158 alcMakeContextCurrent
rlm@0	2159
rlm@0	2160 Makes the given Context the active Context
rlm@0	2161 */
rlm@0	2162 ALC_API ALCboolean ALC_APIENTRY alcMakeContextCurrent(ALCcontext *context)
rlm@0	2163 {
rlm@0	2164 ALboolean bReturn = AL_TRUE;
rlm@0	2165
rlm@0	2166 LockLists();
rlm@0	2167
rlm@0	2168 // context must be a valid Context or NULL
rlm@0	2169 if(context == NULL \|\| IsContext(context))
rlm@0	2170 {
rlm@0	2171 GlobalContext = context;
rlm@0	2172 tls_set(LocalContext, NULL);
rlm@0	2173 }
rlm@0	2174 else
rlm@0	2175 {
rlm@0	2176 alcSetError(NULL, ALC_INVALID_CONTEXT);
rlm@0	2177 bReturn = AL_FALSE;
rlm@0	2178 }
rlm@0	2179
rlm@0	2180 UnlockLists();
rlm@0	2181
rlm@0	2182 return bReturn;
rlm@0	2183 }
rlm@0	2184
rlm@0	2185 /*
rlm@0	2186 alcSetThreadContext
rlm@0	2187
rlm@0	2188 Makes the given Context the active Context for the current thread
rlm@0	2189 */
rlm@0	2190 ALC_API ALCboolean ALC_APIENTRY alcSetThreadContext(ALCcontext *context)
rlm@0	2191 {
rlm@0	2192 ALboolean bReturn = AL_TRUE;
rlm@0	2193
rlm@0	2194 LockLists();
rlm@0	2195
rlm@0	2196 // context must be a valid Context or NULL
rlm@0	2197 if(context == NULL \|\| IsContext(context))
rlm@0	2198 tls_set(LocalContext, context);
rlm@0	2199 else
rlm@0	2200 {
rlm@0	2201 alcSetError(NULL, ALC_INVALID_CONTEXT);
rlm@0	2202 bReturn = AL_FALSE;
rlm@0	2203 }
rlm@0	2204
rlm@0	2205 UnlockLists();
rlm@0	2206
rlm@0	2207 return bReturn;
rlm@0	2208 }
rlm@0	2209
rlm@0	2210
rlm@0	2211 static void GetFormatFromString(const char str, enum DevFmtChannels chans, enum DevFmtType *type)
rlm@0	2212 {
rlm@0	2213 if(strcasecmp(str, "AL_FORMAT_MONO32") == 0)
rlm@0	2214 {
rlm@0	2215 *chans = DevFmtMono;
rlm@0	2216 *type = DevFmtFloat;
rlm@0	2217 return;
rlm@0	2218 }
rlm@0	2219 if(strcasecmp(str, "AL_FORMAT_STEREO32") == 0)
rlm@0	2220 {
rlm@0	2221 *chans = DevFmtStereo;
rlm@0	2222 *type = DevFmtFloat;
rlm@0	2223 return;
rlm@0	2224 }
rlm@0	2225 if(strcasecmp(str, "AL_FORMAT_QUAD32") == 0)
rlm@0	2226 {
rlm@0	2227 *chans = DevFmtQuad;
rlm@0	2228 *type = DevFmtFloat;
rlm@0	2229 return;
rlm@0	2230 }
rlm@0	2231 if(strcasecmp(str, "AL_FORMAT_51CHN32") == 0)
rlm@0	2232 {
rlm@0	2233 *chans = DevFmtX51;
rlm@0	2234 *type = DevFmtFloat;
rlm@0	2235 return;
rlm@0	2236 }
rlm@0	2237 if(strcasecmp(str, "AL_FORMAT_61CHN32") == 0)
rlm@0	2238 {
rlm@0	2239 *chans = DevFmtX61;
rlm@0	2240 *type = DevFmtFloat;
rlm@0	2241 return;
rlm@0	2242 }
rlm@0	2243 if(strcasecmp(str, "AL_FORMAT_71CHN32") == 0)
rlm@0	2244 {
rlm@0	2245 *chans = DevFmtX71;
rlm@0	2246 *type = DevFmtFloat;
rlm@0	2247 return;
rlm@0	2248 }
rlm@0	2249
rlm@0	2250 if(strcasecmp(str, "AL_FORMAT_MONO16") == 0)
rlm@0	2251 {
rlm@0	2252 *chans = DevFmtMono;
rlm@0	2253 *type = DevFmtShort;
rlm@0	2254 return;
rlm@0	2255 }
rlm@0	2256 if(strcasecmp(str, "AL_FORMAT_STEREO16") == 0)
rlm@0	2257 {
rlm@0	2258 *chans = DevFmtStereo;
rlm@0	2259 *type = DevFmtShort;
rlm@0	2260 return;
rlm@0	2261 }
rlm@0	2262 if(strcasecmp(str, "AL_FORMAT_QUAD16") == 0)
rlm@0	2263 {
rlm@0	2264 *chans = DevFmtQuad;
rlm@0	2265 *type = DevFmtShort;
rlm@0	2266 return;
rlm@0	2267 }
rlm@0	2268 if(strcasecmp(str, "AL_FORMAT_51CHN16") == 0)
rlm@0	2269 {
rlm@0	2270 *chans = DevFmtX51;
rlm@0	2271 *type = DevFmtShort;
rlm@0	2272 return;
rlm@0	2273 }
rlm@0	2274 if(strcasecmp(str, "AL_FORMAT_61CHN16") == 0)
rlm@0	2275 {
rlm@0	2276 *chans = DevFmtX61;
rlm@0	2277 *type = DevFmtShort;
rlm@0	2278 return;
rlm@0	2279 }
rlm@0	2280 if(strcasecmp(str, "AL_FORMAT_71CHN16") == 0)
rlm@0	2281 {
rlm@0	2282 *chans = DevFmtX71;
rlm@0	2283 *type = DevFmtShort;
rlm@0	2284 return;
rlm@0	2285 }
rlm@0	2286
rlm@0	2287 if(strcasecmp(str, "AL_FORMAT_MONO8") == 0)
rlm@0	2288 {
rlm@0	2289 *chans = DevFmtMono;
rlm@0	2290 *type = DevFmtByte;
rlm@0	2291 return;
rlm@0	2292 }
rlm@0	2293 if(strcasecmp(str, "AL_FORMAT_STEREO8") == 0)
rlm@0	2294 {
rlm@0	2295 *chans = DevFmtStereo;
rlm@0	2296 *type = DevFmtByte;
rlm@0	2297 return;
rlm@0	2298 }
rlm@0	2299 if(strcasecmp(str, "AL_FORMAT_QUAD8") == 0)
rlm@0	2300 {
rlm@0	2301 *chans = DevFmtQuad;
rlm@0	2302 *type = DevFmtByte;
rlm@0	2303 return;
rlm@0	2304 }
rlm@0	2305 if(strcasecmp(str, "AL_FORMAT_51CHN8") == 0)
rlm@0	2306 {
rlm@0	2307 *chans = DevFmtX51;
rlm@0	2308 *type = DevFmtByte;
rlm@0	2309 return;
rlm@0	2310 }
rlm@0	2311 if(strcasecmp(str, "AL_FORMAT_61CHN8") == 0)
rlm@0	2312 {
rlm@0	2313 *chans = DevFmtX61;
rlm@0	2314 *type = DevFmtByte;
rlm@0	2315 return;
rlm@0	2316 }
rlm@0	2317 if(strcasecmp(str, "AL_FORMAT_71CHN8") == 0)
rlm@0	2318 {
rlm@0	2319 *chans = DevFmtX71;
rlm@0	2320 *type = DevFmtByte;
rlm@0	2321 return;
rlm@0	2322 }
rlm@0	2323
rlm@0	2324 ERR("Unknown format: \"%s\"\n", str);
rlm@0	2325 *chans = DevFmtStereo;
rlm@0	2326 *type = DevFmtShort;
rlm@0	2327 }
rlm@0	2328
rlm@0	2329 /*
rlm@0	2330 alcOpenDevice
rlm@0	2331
rlm@0	2332 Open the Device specified.
rlm@0	2333 */
rlm@0	2334 ALC_API ALCdevice* ALC_APIENTRY alcOpenDevice(const ALCchar *deviceName)
rlm@0	2335 {
rlm@0	2336 const ALCchar *fmt;
rlm@0	2337 ALCdevice *device;
rlm@0	2338
rlm@0	2339 DO_INITCONFIG();
rlm@0	2340
rlm@0	2341 if(!PlaybackBackend.name)
rlm@0	2342 {
rlm@0	2343 alcSetError(NULL, ALC_INVALID_VALUE);
rlm@0	2344 return NULL;
rlm@0	2345 }
rlm@0	2346
rlm@0	2347 if(deviceName && (!deviceName[0] \|\| strcasecmp(deviceName, "openal soft") == 0 \|\| strcasecmp(deviceName, "openal-soft") == 0))
rlm@0	2348 deviceName = NULL;
rlm@0	2349
rlm@0	2350 device = calloc(1, sizeof(ALCdevice));
rlm@0	2351 if(!device)
rlm@0	2352 {
rlm@0	2353 alcSetError(NULL, ALC_OUT_OF_MEMORY);
rlm@0	2354 return NULL;
rlm@0	2355 }
rlm@0	2356
rlm@0	2357 //Validate device
rlm@0	2358 device->Funcs = &PlaybackBackend.Funcs;
rlm@0	2359 device->Connected = ALC_TRUE;
rlm@0	2360 device->IsCaptureDevice = AL_FALSE;
rlm@0	2361 device->IsLoopbackDevice = AL_FALSE;
rlm@0	2362 InitializeCriticalSection(&device->Mutex);
rlm@0	2363 device->LastError = ALC_NO_ERROR;
rlm@0	2364
rlm@0	2365 device->Flags = 0;
rlm@0	2366 device->Bs2b = NULL;
rlm@0	2367 device->szDeviceName = NULL;
rlm@0	2368
rlm@0	2369 device->Contexts = NULL;
rlm@0	2370 device->NumContexts = 0;
rlm@0	2371
rlm@0	2372 InitUIntMap(&device->BufferMap);
rlm@0	2373 InitUIntMap(&device->EffectMap);
rlm@0	2374 InitUIntMap(&device->FilterMap);
rlm@0	2375
rlm@0	2376 //Set output format
rlm@0	2377 if(ConfigValueExists(NULL, "frequency"))
rlm@0	2378 device->Flags \|= DEVICE_FREQUENCY_REQUEST;
rlm@0	2379 device->Frequency = GetConfigValueInt(NULL, "frequency", DEFAULT_OUTPUT_RATE);
rlm@0	2380 if(device->Frequency < 8000)
rlm@0	2381 device->Frequency = 8000;
rlm@0	2382
rlm@0	2383 if(ConfigValueExists(NULL, "format"))
rlm@0	2384 device->Flags \|= DEVICE_CHANNELS_REQUEST;
rlm@14	2385 //fmt = GetConfigValue(NULL, "format", "AL_FORMAT_STEREO16");
rlm@14	2386 //RLM: audio-send only supports 16 bit mono output for now,
rlm@14	2387 //pending bug fixes.
rlm@14	2388 fmt = "AL_FORMAT_MONO16";
rlm@0	2389 GetFormatFromString(fmt, &device->FmtChans, &device->FmtType);
rlm@0	2390
rlm@0	2391 device->NumUpdates = GetConfigValueInt(NULL, "periods", 4);
rlm@0	2392 if(device->NumUpdates < 2)
rlm@0	2393 device->NumUpdates = 4;
rlm@0	2394
rlm@0	2395 device->UpdateSize = GetConfigValueInt(NULL, "period_size", 1024);
rlm@0	2396 if(device->UpdateSize <= 0)
rlm@0	2397 device->UpdateSize = 1024;
rlm@0	2398
rlm@0	2399 device->MaxNoOfSources = GetConfigValueInt(NULL, "sources", 256);
rlm@0	2400 if(device->MaxNoOfSources <= 0)
rlm@0	2401 device->MaxNoOfSources = 256;
rlm@0	2402
rlm@0	2403 device->AuxiliaryEffectSlotMax = GetConfigValueInt(NULL, "slots", 4);
rlm@0	2404 if(device->AuxiliaryEffectSlotMax <= 0)
rlm@0	2405 device->AuxiliaryEffectSlotMax = 4;
rlm@0	2406
rlm@0	2407 device->NumStereoSources = 1;
rlm@0	2408 device->NumMonoSources = device->MaxNoOfSources - device->NumStereoSources;
rlm@0	2409
rlm@0	2410 device->NumAuxSends = GetConfigValueInt(NULL, "sends", MAX_SENDS);
rlm@0	2411 if(device->NumAuxSends > MAX_SENDS)
rlm@0	2412 device->NumAuxSends = MAX_SENDS;
rlm@0	2413
rlm@0	2414 device->Bs2bLevel = GetConfigValueInt(NULL, "cf_level", 0);
rlm@0	2415
rlm@0	2416 // Find a playback device to open
rlm@0	2417 LockLists();
rlm@0	2418 if(ALCdevice_OpenPlayback(device, deviceName))
rlm@0	2419 {
rlm@0	2420 device->next = g_pDeviceList;
rlm@0	2421 g_pDeviceList = device;
rlm@0	2422 g_ulDeviceCount++;
rlm@0	2423 }
rlm@0	2424 else
rlm@0	2425 {
rlm@0	2426 // No suitable output device found
rlm@0	2427 DeleteCriticalSection(&device->Mutex);
rlm@0	2428 free(device);
rlm@0	2429 device = NULL;
rlm@0	2430 alcSetError(NULL, ALC_INVALID_VALUE);
rlm@0	2431 }
rlm@0	2432 UnlockLists();
rlm@0	2433
rlm@0	2434 return device;
rlm@0	2435 }
rlm@0	2436
rlm@0	2437
rlm@0	2438 /*
rlm@0	2439 alcCloseDevice
rlm@0	2440
rlm@0	2441 Close the specified Device
rlm@0	2442 */
rlm@0	2443 ALC_API ALCboolean ALC_APIENTRY alcCloseDevice(ALCdevice *pDevice)
rlm@0	2444 {
rlm@0	2445 ALCdevice **list;
rlm@0	2446
rlm@0	2447 LockLists();
rlm@0	2448 list = &g_pDeviceList;
rlm@0	2449 while(list && list != pDevice)
rlm@0	2450 list = &(*list)->next;
rlm@0	2451
rlm@0	2452 if(!list \|\| (list)->IsCaptureDevice)
rlm@0	2453 {
rlm@0	2454 alcSetError(*list, ALC_INVALID_DEVICE);
rlm@0	2455 UnlockLists();
rlm@0	2456 return ALC_FALSE;
rlm@0	2457 }
rlm@0	2458
rlm@0	2459 list = (list)->next;
rlm@0	2460 g_ulDeviceCount--;
rlm@0	2461
rlm@0	2462 UnlockLists();
rlm@0	2463
rlm@0	2464 if(pDevice->NumContexts > 0)
rlm@0	2465 {
rlm@0	2466 WARN("alcCloseDevice(): destroying %u Context(s)\n", pDevice->NumContexts);
rlm@0	2467 while(pDevice->NumContexts > 0)
rlm@0	2468 alcDestroyContext(pDevice->Contexts[0]);
rlm@0	2469 }
rlm@0	2470 ALCdevice_ClosePlayback(pDevice);
rlm@0	2471
rlm@0	2472 if(pDevice->BufferMap.size > 0)
rlm@0	2473 {
rlm@0	2474 WARN("alcCloseDevice(): deleting %d Buffer(s)\n", pDevice->BufferMap.size);
rlm@0	2475 ReleaseALBuffers(pDevice);
rlm@0	2476 }
rlm@0	2477 ResetUIntMap(&pDevice->BufferMap);
rlm@0	2478
rlm@0	2479 if(pDevice->EffectMap.size > 0)
rlm@0	2480 {
rlm@0	2481 WARN("alcCloseDevice(): deleting %d Effect(s)\n", pDevice->EffectMap.size);
rlm@0	2482 ReleaseALEffects(pDevice);
rlm@0	2483 }
rlm@0	2484 ResetUIntMap(&pDevice->EffectMap);
rlm@0	2485
rlm@0	2486 if(pDevice->FilterMap.size > 0)
rlm@0	2487 {
rlm@0	2488 WARN("alcCloseDevice(): deleting %d Filter(s)\n", pDevice->FilterMap.size);
rlm@0	2489 ReleaseALFilters(pDevice);
rlm@0	2490 }
rlm@0	2491 ResetUIntMap(&pDevice->FilterMap);
rlm@0	2492
rlm@0	2493 free(pDevice->Bs2b);
rlm@0	2494 pDevice->Bs2b = NULL;
rlm@0	2495
rlm@0	2496 free(pDevice->szDeviceName);
rlm@0	2497 pDevice->szDeviceName = NULL;
rlm@0	2498
rlm@0	2499 free(pDevice->Contexts);
rlm@0	2500 pDevice->Contexts = NULL;
rlm@0	2501
rlm@0	2502 DeleteCriticalSection(&pDevice->Mutex);
rlm@0	2503
rlm@0	2504 //Release device structure
rlm@0	2505 memset(pDevice, 0, sizeof(ALCdevice));
rlm@0	2506 free(pDevice);
rlm@0	2507
rlm@0	2508 return ALC_TRUE;
rlm@0	2509 }
rlm@0	2510
rlm@0	2511
rlm@0	2512 ALC_API ALCdevice* ALC_APIENTRY alcLoopbackOpenDeviceSOFT(void)
rlm@0	2513 {
rlm@0	2514 ALCdevice *device;
rlm@0	2515
rlm@0	2516 DO_INITCONFIG();
rlm@0	2517
rlm@0	2518 device = calloc(1, sizeof(ALCdevice));
rlm@0	2519 if(!device)
rlm@0	2520 {
rlm@0	2521 alcSetError(NULL, ALC_OUT_OF_MEMORY);
rlm@0	2522 return NULL;
rlm@0	2523 }
rlm@0	2524
rlm@0	2525 //Validate device
rlm@0	2526 device->Funcs = &BackendLoopback.Funcs;
rlm@0	2527 device->Connected = ALC_TRUE;
rlm@0	2528 device->IsCaptureDevice = AL_FALSE;
rlm@0	2529 device->IsLoopbackDevice = AL_TRUE;
rlm@0	2530 InitializeCriticalSection(&device->Mutex);
rlm@0	2531 device->LastError = ALC_NO_ERROR;
rlm@0	2532
rlm@0	2533 device->Flags = 0;
rlm@0	2534 device->Bs2b = NULL;
rlm@0	2535 device->szDeviceName = NULL;
rlm@0	2536
rlm@0	2537 device->Contexts = NULL;
rlm@0	2538 device->NumContexts = 0;
rlm@0	2539
rlm@0	2540 InitUIntMap(&device->BufferMap);
rlm@0	2541 InitUIntMap(&device->EffectMap);
rlm@0	2542 InitUIntMap(&device->FilterMap);
rlm@0	2543
rlm@0	2544 //Set output format
rlm@0	2545 device->Frequency = 44100;
rlm@0	2546 device->FmtChans = DevFmtStereo;
rlm@0	2547 device->FmtType = DevFmtShort;
rlm@0	2548
rlm@0	2549 device->NumUpdates = 0;
rlm@0	2550 device->UpdateSize = 0;
rlm@0	2551
rlm@0	2552 device->MaxNoOfSources = GetConfigValueInt(NULL, "sources", 256);
rlm@0	2553 if(device->MaxNoOfSources <= 0)
rlm@0	2554 device->MaxNoOfSources = 256;
rlm@0	2555
rlm@0	2556 device->AuxiliaryEffectSlotMax = GetConfigValueInt(NULL, "slots", 4);
rlm@0	2557 if(device->AuxiliaryEffectSlotMax <= 0)
rlm@0	2558 device->AuxiliaryEffectSlotMax = 4;
rlm@0	2559
rlm@0	2560 device->NumStereoSources = 1;
rlm@0	2561 device->NumMonoSources = device->MaxNoOfSources - device->NumStereoSources;
rlm@0	2562
rlm@0	2563 device->NumAuxSends = GetConfigValueInt(NULL, "sends", MAX_SENDS);
rlm@0	2564 if(device->NumAuxSends > MAX_SENDS)
rlm@0	2565 device->NumAuxSends = MAX_SENDS;
rlm@0	2566
rlm@0	2567 device->Bs2bLevel = GetConfigValueInt(NULL, "cf_level", 0);
rlm@0	2568
rlm@0	2569 // Open the "backend"
rlm@0	2570 LockLists();
rlm@0	2571 ALCdevice_OpenPlayback(device, "Loopback");
rlm@0	2572
rlm@0	2573 device->next = g_pDeviceList;
rlm@0	2574 g_pDeviceList = device;
rlm@0	2575 g_ulDeviceCount++;
rlm@0	2576 UnlockLists();
rlm@0	2577
rlm@0	2578 return device;
rlm@0	2579 }
rlm@0	2580
rlm@0	2581 ALC_API ALCboolean ALC_APIENTRY alcIsRenderFormatSupportedSOFT(ALCdevice *device, ALCsizei freq, ALCenum channels, ALCenum type)
rlm@0	2582 {
rlm@0	2583 ALCboolean ret = ALC_FALSE;
rlm@0	2584
rlm@0	2585 LockLists();
rlm@0	2586 if(!IsDevice(device) \|\| !device->IsLoopbackDevice)
rlm@0	2587 alcSetError(device, ALC_INVALID_DEVICE);
rlm@0	2588 else if(freq <= 0)
rlm@0	2589 alcSetError(device, ALC_INVALID_VALUE);
rlm@0	2590 else if(!IsValidALCType(type) \|\| !IsValidALCChannels(channels))
rlm@0	2591 alcSetError(device, ALC_INVALID_ENUM);
rlm@0	2592 else
rlm@0	2593 {
rlm@0	2594 if(BytesFromDevFmt(type) > 0 && ChannelsFromDevFmt(channels) > 0 &&
rlm@0	2595 freq >= 8000)
rlm@0	2596 ret = ALC_TRUE;
rlm@0	2597 }
rlm@0	2598 UnlockLists();
rlm@0	2599
rlm@0	2600 return ret;
rlm@0	2601 }
rlm@0	2602
rlm@0	2603 ALC_API void ALC_APIENTRY alcRenderSamplesSOFT(ALCdevice device, ALCvoid buffer, ALCsizei samples)
rlm@0	2604 {
rlm@0	2605 LockLists();
rlm@0	2606 if(!IsDevice(device) \|\| !device->IsLoopbackDevice)
rlm@0	2607 alcSetError(device, ALC_INVALID_DEVICE);
rlm@0	2608 else if(samples < 0 \|\| (samples > 0 && buffer == NULL))
rlm@0	2609 alcSetError(device, ALC_INVALID_VALUE);
rlm@0	2610 else
rlm@0	2611 aluMixData(device, buffer, samples);
rlm@0	2612 UnlockLists();
rlm@0	2613 }
rlm@0	2614
rlm@0	2615
rlm@0	2616 static void ReleaseALC(ALCboolean doclose)
rlm@0	2617 {
rlm@0	2618 free(alcDeviceList); alcDeviceList = NULL;
rlm@0	2619 alcDeviceListSize = 0;
rlm@0	2620 free(alcAllDeviceList); alcAllDeviceList = NULL;
rlm@0	2621 alcAllDeviceListSize = 0;
rlm@0	2622 free(alcCaptureDeviceList); alcCaptureDeviceList = NULL;
rlm@0	2623 alcCaptureDeviceListSize = 0;
rlm@0	2624
rlm@0	2625 free(alcDefaultDeviceSpecifier);
rlm@0	2626 alcDefaultDeviceSpecifier = NULL;
rlm@0	2627 free(alcDefaultAllDeviceSpecifier);
rlm@0	2628 alcDefaultAllDeviceSpecifier = NULL;
rlm@0	2629 free(alcCaptureDefaultDeviceSpecifier);
rlm@0	2630 alcCaptureDefaultDeviceSpecifier = NULL;
rlm@0	2631
rlm@0	2632 if(doclose)
rlm@0	2633 {
rlm@0	2634 if(g_ulDeviceCount > 0)
rlm@0	2635 WARN("ReleaseALC(): closing %u Device%s\n", g_ulDeviceCount, (g_ulDeviceCount>1)?"s":"");
rlm@0	2636
rlm@0	2637 while(g_pDeviceList)
rlm@0	2638 {
rlm@0	2639 if(g_pDeviceList->IsCaptureDevice)
rlm@0	2640 alcCaptureCloseDevice(g_pDeviceList);
rlm@0	2641 else
rlm@0	2642 alcCloseDevice(g_pDeviceList);
rlm@0	2643 }
rlm@0	2644 }
rlm@0	2645 else
rlm@0	2646 {
rlm@0	2647 if(g_ulDeviceCount > 0)
rlm@0	2648 WARN("ReleaseALC(): %u Device%s not closed\n", g_ulDeviceCount, (g_ulDeviceCount>1)?"s":"");
rlm@0	2649 }
rlm@0	2650 }
rlm@0	2651
rlm@0	2652 ///////////////////////////////////////////////////////

Mercurial > audio-send

annotate Alc/ALc.c @ 33:3caceef436ea tip