2 * OpenAL cross platform audio library
3 * Copyright (C) 1999-2007 by authors.
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
18 * Or go to http://www.gnu.org/copyleft/lgpl.html
37 #include "alAuxEffectSlot.h"
43 #define EmptyFuncs { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }
44 static struct BackendInfo BackendList
[] = {
45 #ifdef HAVE_PULSEAUDIO
46 { "pulse", alc_pulse_init
, alc_pulse_deinit
, alc_pulse_probe
, EmptyFuncs
},
49 { "alsa", alc_alsa_init
, alc_alsa_deinit
, alc_alsa_probe
, EmptyFuncs
},
52 { "core", alc_ca_init
, alc_ca_deinit
, alc_ca_probe
, EmptyFuncs
},
55 { "oss", alc_oss_init
, alc_oss_deinit
, alc_oss_probe
, EmptyFuncs
},
58 { "solaris", alc_solaris_init
, alc_solaris_deinit
, alc_solaris_probe
, EmptyFuncs
},
61 { "sndio", alc_sndio_init
, alc_sndio_deinit
, alc_sndio_probe
, EmptyFuncs
},
64 { "mmdevapi", alcMMDevApiInit
, alcMMDevApiDeinit
, alcMMDevApiProbe
, EmptyFuncs
},
67 { "dsound", alcDSoundInit
, alcDSoundDeinit
, alcDSoundProbe
, EmptyFuncs
},
70 { "winmm", alcWinMMInit
, alcWinMMDeinit
, alcWinMMProbe
, EmptyFuncs
},
73 { "port", alc_pa_init
, alc_pa_deinit
, alc_pa_probe
, EmptyFuncs
},
76 { "opensl", alc_opensl_init
, alc_opensl_deinit
, alc_opensl_probe
, EmptyFuncs
},
79 { "null", alc_null_init
, alc_null_deinit
, alc_null_probe
, EmptyFuncs
},
81 { "wave", alc_wave_init
, alc_wave_deinit
, alc_wave_probe
, EmptyFuncs
},
84 { NULL
, NULL
, NULL
, NULL
, EmptyFuncs
}
86 static struct BackendInfo BackendLoopback
= {
87 "loopback", alc_loopback_init
, alc_loopback_deinit
, alc_loopback_probe
, EmptyFuncs
91 static struct BackendInfo PlaybackBackend
;
92 static struct BackendInfo CaptureBackend
;
94 ///////////////////////////////////////////////////////
95 // STRING and EXTENSIONS
97 typedef struct ALCfunction
{
98 const ALCchar
*funcName
;
102 typedef struct ALCenums
{
103 const ALCchar
*enumName
;
108 static const ALCfunction alcFunctions
[] = {
109 { "alcCreateContext", (ALCvoid
*) alcCreateContext
},
110 { "alcMakeContextCurrent", (ALCvoid
*) alcMakeContextCurrent
},
111 { "alcProcessContext", (ALCvoid
*) alcProcessContext
},
112 { "alcSuspendContext", (ALCvoid
*) alcSuspendContext
},
113 { "alcDestroyContext", (ALCvoid
*) alcDestroyContext
},
114 { "alcGetCurrentContext", (ALCvoid
*) alcGetCurrentContext
},
115 { "alcGetContextsDevice", (ALCvoid
*) alcGetContextsDevice
},
116 { "alcOpenDevice", (ALCvoid
*) alcOpenDevice
},
117 { "alcCloseDevice", (ALCvoid
*) alcCloseDevice
},
118 { "alcGetError", (ALCvoid
*) alcGetError
},
119 { "alcIsExtensionPresent", (ALCvoid
*) alcIsExtensionPresent
},
120 { "alcGetProcAddress", (ALCvoid
*) alcGetProcAddress
},
121 { "alcGetEnumValue", (ALCvoid
*) alcGetEnumValue
},
122 { "alcGetString", (ALCvoid
*) alcGetString
},
123 { "alcGetIntegerv", (ALCvoid
*) alcGetIntegerv
},
124 { "alcCaptureOpenDevice", (ALCvoid
*) alcCaptureOpenDevice
},
125 { "alcCaptureCloseDevice", (ALCvoid
*) alcCaptureCloseDevice
},
126 { "alcCaptureStart", (ALCvoid
*) alcCaptureStart
},
127 { "alcCaptureStop", (ALCvoid
*) alcCaptureStop
},
128 { "alcCaptureSamples", (ALCvoid
*) alcCaptureSamples
},
130 { "alcSetThreadContext", (ALCvoid
*) alcSetThreadContext
},
131 { "alcGetThreadContext", (ALCvoid
*) alcGetThreadContext
},
133 { "alcLoopbackOpenDeviceSOFT", (ALCvoid
*) alcLoopbackOpenDeviceSOFT
},
134 { "alcIsRenderFormatSupportedSOFT",(ALCvoid
*) alcIsRenderFormatSupportedSOFT
},
135 { "alcRenderSamplesSOFT", (ALCvoid
*) alcRenderSamplesSOFT
},
137 { "alEnable", (ALCvoid
*) alEnable
},
138 { "alDisable", (ALCvoid
*) alDisable
},
139 { "alIsEnabled", (ALCvoid
*) alIsEnabled
},
140 { "alGetString", (ALCvoid
*) alGetString
},
141 { "alGetBooleanv", (ALCvoid
*) alGetBooleanv
},
142 { "alGetIntegerv", (ALCvoid
*) alGetIntegerv
},
143 { "alGetFloatv", (ALCvoid
*) alGetFloatv
},
144 { "alGetDoublev", (ALCvoid
*) alGetDoublev
},
145 { "alGetBoolean", (ALCvoid
*) alGetBoolean
},
146 { "alGetInteger", (ALCvoid
*) alGetInteger
},
147 { "alGetFloat", (ALCvoid
*) alGetFloat
},
148 { "alGetDouble", (ALCvoid
*) alGetDouble
},
149 { "alGetError", (ALCvoid
*) alGetError
},
150 { "alIsExtensionPresent", (ALCvoid
*) alIsExtensionPresent
},
151 { "alGetProcAddress", (ALCvoid
*) alGetProcAddress
},
152 { "alGetEnumValue", (ALCvoid
*) alGetEnumValue
},
153 { "alListenerf", (ALCvoid
*) alListenerf
},
154 { "alListener3f", (ALCvoid
*) alListener3f
},
155 { "alListenerfv", (ALCvoid
*) alListenerfv
},
156 { "alListeneri", (ALCvoid
*) alListeneri
},
157 { "alListener3i", (ALCvoid
*) alListener3i
},
158 { "alListeneriv", (ALCvoid
*) alListeneriv
},
159 { "alGetListenerf", (ALCvoid
*) alGetListenerf
},
160 { "alGetListener3f", (ALCvoid
*) alGetListener3f
},
161 { "alGetListenerfv", (ALCvoid
*) alGetListenerfv
},
162 { "alGetListeneri", (ALCvoid
*) alGetListeneri
},
163 { "alGetListener3i", (ALCvoid
*) alGetListener3i
},
164 { "alGetListeneriv", (ALCvoid
*) alGetListeneriv
},
165 { "alGenSources", (ALCvoid
*) alGenSources
},
166 { "alDeleteSources", (ALCvoid
*) alDeleteSources
},
167 { "alIsSource", (ALCvoid
*) alIsSource
},
168 { "alSourcef", (ALCvoid
*) alSourcef
},
169 { "alSource3f", (ALCvoid
*) alSource3f
},
170 { "alSourcefv", (ALCvoid
*) alSourcefv
},
171 { "alSourcei", (ALCvoid
*) alSourcei
},
172 { "alSource3i", (ALCvoid
*) alSource3i
},
173 { "alSourceiv", (ALCvoid
*) alSourceiv
},
174 { "alGetSourcef", (ALCvoid
*) alGetSourcef
},
175 { "alGetSource3f", (ALCvoid
*) alGetSource3f
},
176 { "alGetSourcefv", (ALCvoid
*) alGetSourcefv
},
177 { "alGetSourcei", (ALCvoid
*) alGetSourcei
},
178 { "alGetSource3i", (ALCvoid
*) alGetSource3i
},
179 { "alGetSourceiv", (ALCvoid
*) alGetSourceiv
},
180 { "alSourcePlayv", (ALCvoid
*) alSourcePlayv
},
181 { "alSourceStopv", (ALCvoid
*) alSourceStopv
},
182 { "alSourceRewindv", (ALCvoid
*) alSourceRewindv
},
183 { "alSourcePausev", (ALCvoid
*) alSourcePausev
},
184 { "alSourcePlay", (ALCvoid
*) alSourcePlay
},
185 { "alSourceStop", (ALCvoid
*) alSourceStop
},
186 { "alSourceRewind", (ALCvoid
*) alSourceRewind
},
187 { "alSourcePause", (ALCvoid
*) alSourcePause
},
188 { "alSourceQueueBuffers", (ALCvoid
*) alSourceQueueBuffers
},
189 { "alSourceUnqueueBuffers", (ALCvoid
*) alSourceUnqueueBuffers
},
190 { "alGenBuffers", (ALCvoid
*) alGenBuffers
},
191 { "alDeleteBuffers", (ALCvoid
*) alDeleteBuffers
},
192 { "alIsBuffer", (ALCvoid
*) alIsBuffer
},
193 { "alBufferData", (ALCvoid
*) alBufferData
},
194 { "alBufferf", (ALCvoid
*) alBufferf
},
195 { "alBuffer3f", (ALCvoid
*) alBuffer3f
},
196 { "alBufferfv", (ALCvoid
*) alBufferfv
},
197 { "alBufferi", (ALCvoid
*) alBufferi
},
198 { "alBuffer3i", (ALCvoid
*) alBuffer3i
},
199 { "alBufferiv", (ALCvoid
*) alBufferiv
},
200 { "alGetBufferf", (ALCvoid
*) alGetBufferf
},
201 { "alGetBuffer3f", (ALCvoid
*) alGetBuffer3f
},
202 { "alGetBufferfv", (ALCvoid
*) alGetBufferfv
},
203 { "alGetBufferi", (ALCvoid
*) alGetBufferi
},
204 { "alGetBuffer3i", (ALCvoid
*) alGetBuffer3i
},
205 { "alGetBufferiv", (ALCvoid
*) alGetBufferiv
},
206 { "alDopplerFactor", (ALCvoid
*) alDopplerFactor
},
207 { "alDopplerVelocity", (ALCvoid
*) alDopplerVelocity
},
208 { "alSpeedOfSound", (ALCvoid
*) alSpeedOfSound
},
209 { "alDistanceModel", (ALCvoid
*) alDistanceModel
},
211 { "alGenFilters", (ALCvoid
*) alGenFilters
},
212 { "alDeleteFilters", (ALCvoid
*) alDeleteFilters
},
213 { "alIsFilter", (ALCvoid
*) alIsFilter
},
214 { "alFilteri", (ALCvoid
*) alFilteri
},
215 { "alFilteriv", (ALCvoid
*) alFilteriv
},
216 { "alFilterf", (ALCvoid
*) alFilterf
},
217 { "alFilterfv", (ALCvoid
*) alFilterfv
},
218 { "alGetFilteri", (ALCvoid
*) alGetFilteri
},
219 { "alGetFilteriv", (ALCvoid
*) alGetFilteriv
},
220 { "alGetFilterf", (ALCvoid
*) alGetFilterf
},
221 { "alGetFilterfv", (ALCvoid
*) alGetFilterfv
},
222 { "alGenEffects", (ALCvoid
*) alGenEffects
},
223 { "alDeleteEffects", (ALCvoid
*) alDeleteEffects
},
224 { "alIsEffect", (ALCvoid
*) alIsEffect
},
225 { "alEffecti", (ALCvoid
*) alEffecti
},
226 { "alEffectiv", (ALCvoid
*) alEffectiv
},
227 { "alEffectf", (ALCvoid
*) alEffectf
},
228 { "alEffectfv", (ALCvoid
*) alEffectfv
},
229 { "alGetEffecti", (ALCvoid
*) alGetEffecti
},
230 { "alGetEffectiv", (ALCvoid
*) alGetEffectiv
},
231 { "alGetEffectf", (ALCvoid
*) alGetEffectf
},
232 { "alGetEffectfv", (ALCvoid
*) alGetEffectfv
},
233 { "alGenAuxiliaryEffectSlots", (ALCvoid
*) alGenAuxiliaryEffectSlots
},
234 { "alDeleteAuxiliaryEffectSlots",(ALCvoid
*) alDeleteAuxiliaryEffectSlots
},
235 { "alIsAuxiliaryEffectSlot", (ALCvoid
*) alIsAuxiliaryEffectSlot
},
236 { "alAuxiliaryEffectSloti", (ALCvoid
*) alAuxiliaryEffectSloti
},
237 { "alAuxiliaryEffectSlotiv", (ALCvoid
*) alAuxiliaryEffectSlotiv
},
238 { "alAuxiliaryEffectSlotf", (ALCvoid
*) alAuxiliaryEffectSlotf
},
239 { "alAuxiliaryEffectSlotfv", (ALCvoid
*) alAuxiliaryEffectSlotfv
},
240 { "alGetAuxiliaryEffectSloti", (ALCvoid
*) alGetAuxiliaryEffectSloti
},
241 { "alGetAuxiliaryEffectSlotiv", (ALCvoid
*) alGetAuxiliaryEffectSlotiv
},
242 { "alGetAuxiliaryEffectSlotf", (ALCvoid
*) alGetAuxiliaryEffectSlotf
},
243 { "alGetAuxiliaryEffectSlotfv", (ALCvoid
*) alGetAuxiliaryEffectSlotfv
},
245 { "alBufferSubDataSOFT", (ALCvoid
*) alBufferSubDataSOFT
},
247 { "alBufferSamplesSOFT", (ALCvoid
*) alBufferSamplesSOFT
},
248 { "alBufferSubSamplesSOFT", (ALCvoid
*) alBufferSubSamplesSOFT
},
249 { "alGetBufferSamplesSOFT", (ALCvoid
*) alGetBufferSamplesSOFT
},
250 { "alIsBufferFormatSupportedSOFT",(ALCvoid
*) alIsBufferFormatSupportedSOFT
},
252 { "alDeferUpdatesSOFT", (ALCvoid
*) alDeferUpdatesSOFT
},
253 { "alProcessUpdatesSOFT", (ALCvoid
*) alProcessUpdatesSOFT
},
255 { NULL
, (ALCvoid
*) NULL
}
258 static const ALCenums enumeration
[] = {
260 { "ALC_INVALID", ALC_INVALID
},
261 { "ALC_FALSE", ALC_FALSE
},
262 { "ALC_TRUE", ALC_TRUE
},
265 { "ALC_MAJOR_VERSION", ALC_MAJOR_VERSION
},
266 { "ALC_MINOR_VERSION", ALC_MINOR_VERSION
},
267 { "ALC_ATTRIBUTES_SIZE", ALC_ATTRIBUTES_SIZE
},
268 { "ALC_ALL_ATTRIBUTES", ALC_ALL_ATTRIBUTES
},
269 { "ALC_DEFAULT_DEVICE_SPECIFIER", ALC_DEFAULT_DEVICE_SPECIFIER
},
270 { "ALC_DEVICE_SPECIFIER", ALC_DEVICE_SPECIFIER
},
271 { "ALC_ALL_DEVICES_SPECIFIER", ALC_ALL_DEVICES_SPECIFIER
},
272 { "ALC_DEFAULT_ALL_DEVICES_SPECIFIER", ALC_DEFAULT_ALL_DEVICES_SPECIFIER
},
273 { "ALC_EXTENSIONS", ALC_EXTENSIONS
},
274 { "ALC_FREQUENCY", ALC_FREQUENCY
},
275 { "ALC_REFRESH", ALC_REFRESH
},
276 { "ALC_SYNC", ALC_SYNC
},
277 { "ALC_MONO_SOURCES", ALC_MONO_SOURCES
},
278 { "ALC_STEREO_SOURCES", ALC_STEREO_SOURCES
},
279 { "ALC_CAPTURE_DEVICE_SPECIFIER", ALC_CAPTURE_DEVICE_SPECIFIER
},
280 { "ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER", ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER
},
281 { "ALC_CAPTURE_SAMPLES", ALC_CAPTURE_SAMPLES
},
282 { "ALC_CONNECTED", ALC_CONNECTED
},
285 { "ALC_EFX_MAJOR_VERSION", ALC_EFX_MAJOR_VERSION
},
286 { "ALC_EFX_MINOR_VERSION", ALC_EFX_MINOR_VERSION
},
287 { "ALC_MAX_AUXILIARY_SENDS", ALC_MAX_AUXILIARY_SENDS
},
289 // Loopback device Properties
290 { "ALC_FORMAT_CHANNELS_SOFT", ALC_FORMAT_CHANNELS_SOFT
},
291 { "ALC_FORMAT_TYPE_SOFT", ALC_FORMAT_TYPE_SOFT
},
293 // Buffer Channel Configurations
294 { "ALC_MONO_SOFT", ALC_MONO_SOFT
},
295 { "ALC_STEREO_SOFT", ALC_STEREO_SOFT
},
296 { "ALC_QUAD_SOFT", ALC_QUAD_SOFT
},
297 { "ALC_5POINT1_SOFT", ALC_5POINT1_SOFT
},
298 { "ALC_6POINT1_SOFT", ALC_6POINT1_SOFT
},
299 { "ALC_7POINT1_SOFT", ALC_7POINT1_SOFT
},
301 // Buffer Sample Types
302 { "ALC_BYTE_SOFT", ALC_BYTE_SOFT
},
303 { "ALC_UNSIGNED_BYTE_SOFT", ALC_UNSIGNED_BYTE_SOFT
},
304 { "ALC_SHORT_SOFT", ALC_SHORT_SOFT
},
305 { "ALC_UNSIGNED_SHORT_SOFT", ALC_UNSIGNED_SHORT_SOFT
},
306 { "ALC_INT_SOFT", ALC_INT_SOFT
},
307 { "ALC_UNSIGNED_INT_SOFT", ALC_UNSIGNED_INT_SOFT
},
308 { "ALC_FLOAT_SOFT", ALC_FLOAT_SOFT
},
311 { "ALC_NO_ERROR", ALC_NO_ERROR
},
312 { "ALC_INVALID_DEVICE", ALC_INVALID_DEVICE
},
313 { "ALC_INVALID_CONTEXT", ALC_INVALID_CONTEXT
},
314 { "ALC_INVALID_ENUM", ALC_INVALID_ENUM
},
315 { "ALC_INVALID_VALUE", ALC_INVALID_VALUE
},
316 { "ALC_OUT_OF_MEMORY", ALC_OUT_OF_MEMORY
},
321 static const ALCchar alcNoError
[] = "No Error";
322 static const ALCchar alcErrInvalidDevice
[] = "Invalid Device";
323 static const ALCchar alcErrInvalidContext
[] = "Invalid Context";
324 static const ALCchar alcErrInvalidEnum
[] = "Invalid Enum";
325 static const ALCchar alcErrInvalidValue
[] = "Invalid Value";
326 static const ALCchar alcErrOutOfMemory
[] = "Out of Memory";
328 /* Device lists. Sizes only include the first ending null character, not the
330 static const ALCchar alcDefaultName
[] = "OpenAL Soft\0";
331 static ALCchar
*alcAllDeviceList
;
332 static size_t alcAllDeviceListSize
;
333 static ALCchar
*alcCaptureDeviceList
;
334 static size_t alcCaptureDeviceListSize
;
335 /* Default is always the first in the list */
336 static ALCchar
*alcDefaultAllDeviceSpecifier
;
337 static ALCchar
*alcCaptureDefaultDeviceSpecifier
;
340 static const ALCchar alcNoDeviceExtList
[] =
341 "ALC_ENUMERATE_ALL_EXT ALC_ENUMERATION_EXT ALC_EXT_CAPTURE "
342 "ALC_EXT_thread_local_context ALC_SOFTX_loopback_device";
343 static const ALCchar alcExtensionList
[] =
344 "ALC_ENUMERATE_ALL_EXT ALC_ENUMERATION_EXT ALC_EXT_CAPTURE "
345 "ALC_EXT_DEDICATED ALC_EXT_disconnect ALC_EXT_EFX "
346 "ALC_EXT_thread_local_context ALC_SOFTX_loopback_device";
347 static const ALCint alcMajorVersion
= 1;
348 static const ALCint alcMinorVersion
= 1;
350 static const ALCint alcEFXMajorVersion
= 1;
351 static const ALCint alcEFXMinorVersion
= 0;
353 ///////////////////////////////////////////////////////
356 ///////////////////////////////////////////////////////
359 static CRITICAL_SECTION ListLock
;
362 static ALCdevice
*volatile DeviceList
= NULL
;
364 // Thread-local current context
365 static pthread_key_t LocalContext
;
366 // Process-wide current context
367 static ALCcontext
*GlobalContext
;
370 static volatile ALCenum g_eLastNullDeviceError
= ALC_NO_ERROR
;
372 // Default context extensions
373 static const ALchar alExtList
[] =
374 "AL_EXT_ALAW AL_EXT_DOUBLE AL_EXT_EXPONENT_DISTANCE AL_EXT_FLOAT32 "
375 "AL_EXT_IMA4 AL_EXT_LINEAR_DISTANCE AL_EXT_MCFORMATS AL_EXT_MULAW "
376 "AL_EXT_MULAW_MCFORMATS AL_EXT_OFFSET AL_EXT_source_distance_model "
377 "AL_LOKI_quadriphonic AL_SOFT_buffer_samples AL_SOFT_buffer_sub_data "
378 "AL_SOFTX_deferred_updates AL_SOFTX_direct_channels AL_SOFT_loop_points";
380 // Mixing Priority Level
388 enum LogLevel LogLevel
= LogWarning
;
390 enum LogLevel LogLevel
= LogError
;
393 /* Flag to trap ALC device errors */
394 static ALCboolean TrapALCError
= ALC_FALSE
;
396 /* One-time configuration init control */
397 static pthread_once_t alc_config_once
= PTHREAD_ONCE_INIT
;
399 /* Forced effect that applies to sources that don't have an effect on send 0 */
400 static ALeffect ForcedEffect
;
402 ///////////////////////////////////////////////////////
405 ///////////////////////////////////////////////////////
406 // ALC Related helper functions
407 static void ReleaseALC(void);
408 static void ReleaseThreadCtx(void *ptr
);
410 static void alc_initconfig(void);
411 #define DO_INITCONFIG() pthread_once(&alc_config_once, alc_initconfig)
414 static void alc_init(void);
415 static void alc_deinit(void);
416 static void alc_deinit_safe(void);
418 UIntMap TlsDestructor
;
420 #ifndef AL_LIBTYPE_STATIC
421 BOOL APIENTRY
DllMain(HANDLE hModule
,DWORD ul_reason_for_call
,LPVOID lpReserved
)
426 // Perform actions based on the reason for calling.
427 switch(ul_reason_for_call
)
429 case DLL_PROCESS_ATTACH
:
430 InitUIntMap(&TlsDestructor
, ~0);
434 case DLL_THREAD_DETACH
:
435 LockUIntMapRead(&TlsDestructor
);
436 for(i
= 0;i
< TlsDestructor
.size
;i
++)
438 void *ptr
= pthread_getspecific(TlsDestructor
.array
[i
].key
);
439 void (*callback
)(void*) = (void(*)(void*))TlsDestructor
.array
[i
].value
;
443 UnlockUIntMapRead(&TlsDestructor
);
446 case DLL_PROCESS_DETACH
:
451 ResetUIntMap(&TlsDestructor
);
456 #elif defined(_MSC_VER)
457 #pragma section(".CRT$XCU",read)
458 static void alc_constructor(void);
459 static void alc_destructor(void);
460 __declspec(allocate(".CRT$XCU")) void (__cdecl
* alc_constructor_
)(void) = alc_constructor
;
462 static void alc_constructor(void)
464 atexit(alc_destructor
);
468 static void alc_destructor(void)
472 #elif defined(HAVE_GCC_DESTRUCTOR)
473 static void alc_init(void) __attribute__((constructor
));
474 static void alc_deinit(void) __attribute__((destructor
));
476 #error "No static initialization available on this platform!"
478 #elif defined(HAVE_GCC_DESTRUCTOR)
479 static void alc_init(void) __attribute__((constructor
));
480 static void alc_deinit(void) __attribute__((destructor
));
482 #error "No global initialization available on this platform!"
485 static void alc_init(void)
491 str
= getenv("__ALSOFT_HALF_ANGLE_CONES");
492 if(str
&& (strcasecmp(str
, "true") == 0 || strtol(str
, NULL
, 0) == 1))
495 str
= getenv("__ALSOFT_REVERSE_Z");
496 if(str
&& (strcasecmp(str
, "true") == 0 || strtol(str
, NULL
, 0) == 1))
499 str
= getenv("ALSOFT_TRAP_ERROR");
500 if(str
&& (strcasecmp(str
, "true") == 0 || strtol(str
, NULL
, 0) == 1))
502 TrapALError
= AL_TRUE
;
503 TrapALCError
= AL_TRUE
;
507 str
= getenv("ALSOFT_TRAP_AL_ERROR");
508 if(str
&& (strcasecmp(str
, "true") == 0 || strtol(str
, NULL
, 0) == 1))
509 TrapALError
= AL_TRUE
;
511 str
= getenv("ALSOFT_TRAP_ALC_ERROR");
512 if(str
&& (strcasecmp(str
, "true") == 0 || strtol(str
, NULL
, 0) == 1))
513 TrapALCError
= ALC_TRUE
;
516 pthread_key_create(&LocalContext
, ReleaseThreadCtx
);
517 InitializeCriticalSection(&ListLock
);
521 static void alc_deinit_safe(void)
529 DeleteCriticalSection(&ListLock
);
530 pthread_key_delete(LocalContext
);
532 if(LogFile
!= stderr
)
537 static void alc_deinit(void)
543 memset(&PlaybackBackend
, 0, sizeof(PlaybackBackend
));
544 memset(&CaptureBackend
, 0, sizeof(CaptureBackend
));
546 for(i
= 0;BackendList
[i
].Deinit
;i
++)
547 BackendList
[i
].Deinit();
548 BackendLoopback
.Deinit();
553 static void alc_initconfig(void)
555 const char *devs
, *str
;
559 str
= getenv("ALSOFT_LOGLEVEL");
562 long lvl
= strtol(str
, NULL
, 0);
563 if(lvl
>= NoLog
&& lvl
<= LogRef
)
567 str
= getenv("ALSOFT_LOGFILE");
570 FILE *logfile
= fopen(str
, "wat");
571 if(logfile
) LogFile
= logfile
;
572 else ERR("Failed to open log file '%s'\n", str
);
584 ConfigValueInt(NULL
, "rt-prio", &RTPrioLevel
);
586 if(ConfigValueStr(NULL
, "resampler", &str
))
588 if(strcasecmp(str
, "point") == 0 || strcasecmp(str
, "none") == 0)
589 DefaultResampler
= PointResampler
;
590 else if(strcasecmp(str
, "linear") == 0)
591 DefaultResampler
= LinearResampler
;
592 else if(strcasecmp(str
, "cubic") == 0)
593 DefaultResampler
= CubicResampler
;
598 n
= strtol(str
, &end
, 0);
599 if(*end
== '\0' && (n
== PointResampler
|| n
== LinearResampler
|| n
== CubicResampler
))
600 DefaultResampler
= n
;
602 WARN("Invalid resampler: %s\n", str
);
607 TrapALCError
= GetConfigValueBool(NULL
, "trap-alc-error", ALC_FALSE
);
610 TrapALError
= GetConfigValueBool(NULL
, "trap-al-error", AL_FALSE
);
612 if(ConfigValueFloat("reverb", "boost", &valf
))
613 ReverbBoost
*= aluPow(10.0f
, valf
/ 20.0f
);
615 EmulateEAXReverb
= GetConfigValueBool("reverb", "emulate-eax", AL_FALSE
);
617 if(((devs
=getenv("ALSOFT_DRIVERS")) && devs
[0]) ||
618 ConfigValueStr(NULL
, "drivers", &devs
))
622 const char *next
= devs
;
623 int endlist
, delitem
;
628 next
= strchr(devs
, ',');
630 delitem
= (devs
[0] == '-');
631 if(devs
[0] == '-') devs
++;
633 if(!devs
[0] || devs
[0] == ',')
640 len
= (next
? ((size_t)(next
-devs
)) : strlen(devs
));
641 for(n
= i
;BackendList
[n
].Init
;n
++)
643 if(len
== strlen(BackendList
[n
].name
) &&
644 strncmp(BackendList
[n
].name
, devs
, len
) == 0)
649 BackendList
[n
] = BackendList
[n
+1];
651 } while(BackendList
[n
].Init
);
655 struct BackendInfo Bkp
= BackendList
[n
];
658 BackendList
[n
] = BackendList
[n
-1];
661 BackendList
[n
] = Bkp
;
672 BackendList
[i
].name
= NULL
;
673 BackendList
[i
].Init
= NULL
;
674 BackendList
[i
].Deinit
= NULL
;
675 BackendList
[i
].Probe
= NULL
;
679 for(i
= 0;BackendList
[i
].Init
&& (!PlaybackBackend
.name
|| !CaptureBackend
.name
);i
++)
681 if(!BackendList
[i
].Init(&BackendList
[i
].Funcs
))
683 WARN("Failed to initialize backend \"%s\"\n", BackendList
[i
].name
);
687 TRACE("Initialized backend \"%s\"\n", BackendList
[i
].name
);
688 if(BackendList
[i
].Funcs
.OpenPlayback
&& !PlaybackBackend
.name
)
690 PlaybackBackend
= BackendList
[i
];
691 TRACE("Added \"%s\" for playback\n", PlaybackBackend
.name
);
693 if(BackendList
[i
].Funcs
.OpenCapture
&& !CaptureBackend
.name
)
695 CaptureBackend
= BackendList
[i
];
696 TRACE("Added \"%s\" for capture\n", CaptureBackend
.name
);
699 BackendLoopback
.Init(&BackendLoopback
.Funcs
);
701 if(ConfigValueStr(NULL
, "excludefx", &str
))
704 const char *next
= str
;
708 next
= strchr(str
, ',');
710 if(!str
[0] || next
== str
)
713 len
= (next
? ((size_t)(next
-str
)) : strlen(str
));
714 for(n
= 0;EffectList
[n
].name
;n
++)
716 if(len
== strlen(EffectList
[n
].name
) &&
717 strncmp(EffectList
[n
].name
, str
, len
) == 0)
718 DisabledEffects
[EffectList
[n
].type
] = AL_TRUE
;
723 InitEffect(&ForcedEffect
);
724 str
= getenv("ALSOFT_DEFAULT_REVERB");
726 GetReverbEffect(str
, &ForcedEffect
);
727 else if(ConfigValueStr(NULL
, "default-reverb", &str
))
728 GetReverbEffect(str
, &ForcedEffect
);
732 static void LockLists(void)
734 EnterCriticalSection(&ListLock
);
737 static void UnlockLists(void)
739 LeaveCriticalSection(&ListLock
);
743 static void ProbeList(ALCchar
**list
, size_t *listsize
, enum DevProbe type
)
752 if(type
== ALL_DEVICE_PROBE
&& PlaybackBackend
.Probe
)
753 PlaybackBackend
.Probe(type
);
754 else if(type
== CAPTURE_DEVICE_PROBE
&& CaptureBackend
.Probe
)
755 CaptureBackend
.Probe(type
);
759 static void ProbeAllDeviceList(void)
760 { ProbeList(&alcAllDeviceList
, &alcAllDeviceListSize
, ALL_DEVICE_PROBE
); }
761 static void ProbeCaptureDeviceList(void)
762 { ProbeList(&alcCaptureDeviceList
, &alcCaptureDeviceListSize
, CAPTURE_DEVICE_PROBE
); }
765 static void AppendList(const ALCchar
*name
, ALCchar
**List
, size_t *ListSize
)
767 size_t len
= strlen(name
);
773 temp
= realloc(*List
, (*ListSize
) + len
+ 2);
776 ERR("Realloc failed to add %s!\n", name
);
781 memcpy((*List
)+(*ListSize
), name
, len
+1);
783 (*List
)[*ListSize
] = 0;
786 #define DECL_APPEND_LIST_FUNC(type) \
787 void Append##type##List(const ALCchar *name) \
788 { AppendList(name, &alc##type##List, &alc##type##ListSize); }
790 DECL_APPEND_LIST_FUNC(AllDevice
)
791 DECL_APPEND_LIST_FUNC(CaptureDevice
)
793 #undef DECL_APPEND_LIST_FUNC
796 /* Sets the default channel order used by most non-WaveFormatEx-based APIs */
797 void SetDefaultChannelOrder(ALCdevice
*device
)
799 switch(device
->FmtChans
)
801 case DevFmtX51
: device
->DevChannels
[0] = FRONT_LEFT
;
802 device
->DevChannels
[1] = FRONT_RIGHT
;
803 device
->DevChannels
[2] = BACK_LEFT
;
804 device
->DevChannels
[3] = BACK_RIGHT
;
805 device
->DevChannels
[4] = FRONT_CENTER
;
806 device
->DevChannels
[5] = LFE
;
809 case DevFmtX71
: device
->DevChannels
[0] = FRONT_LEFT
;
810 device
->DevChannels
[1] = FRONT_RIGHT
;
811 device
->DevChannels
[2] = BACK_LEFT
;
812 device
->DevChannels
[3] = BACK_RIGHT
;
813 device
->DevChannels
[4] = FRONT_CENTER
;
814 device
->DevChannels
[5] = LFE
;
815 device
->DevChannels
[6] = SIDE_LEFT
;
816 device
->DevChannels
[7] = SIDE_RIGHT
;
819 /* Same as WFX order */
827 SetDefaultWFXChannelOrder(device
);
829 /* Sets the default order used by WaveFormatEx */
830 void SetDefaultWFXChannelOrder(ALCdevice
*device
)
832 switch(device
->FmtChans
)
834 case DevFmtMono
: device
->DevChannels
[0] = FRONT_CENTER
; break;
836 case DevFmtStereo
: device
->DevChannels
[0] = FRONT_LEFT
;
837 device
->DevChannels
[1] = FRONT_RIGHT
; break;
839 case DevFmtQuad
: device
->DevChannels
[0] = FRONT_LEFT
;
840 device
->DevChannels
[1] = FRONT_RIGHT
;
841 device
->DevChannels
[2] = BACK_LEFT
;
842 device
->DevChannels
[3] = BACK_RIGHT
; break;
844 case DevFmtX51
: device
->DevChannels
[0] = FRONT_LEFT
;
845 device
->DevChannels
[1] = FRONT_RIGHT
;
846 device
->DevChannels
[2] = FRONT_CENTER
;
847 device
->DevChannels
[3] = LFE
;
848 device
->DevChannels
[4] = BACK_LEFT
;
849 device
->DevChannels
[5] = BACK_RIGHT
; break;
851 case DevFmtX51Side
: device
->DevChannels
[0] = FRONT_LEFT
;
852 device
->DevChannels
[1] = FRONT_RIGHT
;
853 device
->DevChannels
[2] = FRONT_CENTER
;
854 device
->DevChannels
[3] = LFE
;
855 device
->DevChannels
[4] = SIDE_LEFT
;
856 device
->DevChannels
[5] = SIDE_RIGHT
; break;
858 case DevFmtX61
: device
->DevChannels
[0] = FRONT_LEFT
;
859 device
->DevChannels
[1] = FRONT_RIGHT
;
860 device
->DevChannels
[2] = FRONT_CENTER
;
861 device
->DevChannels
[3] = LFE
;
862 device
->DevChannels
[4] = BACK_CENTER
;
863 device
->DevChannels
[5] = SIDE_LEFT
;
864 device
->DevChannels
[6] = SIDE_RIGHT
; break;
866 case DevFmtX71
: device
->DevChannels
[0] = FRONT_LEFT
;
867 device
->DevChannels
[1] = FRONT_RIGHT
;
868 device
->DevChannels
[2] = FRONT_CENTER
;
869 device
->DevChannels
[3] = LFE
;
870 device
->DevChannels
[4] = BACK_LEFT
;
871 device
->DevChannels
[5] = BACK_RIGHT
;
872 device
->DevChannels
[6] = SIDE_LEFT
;
873 device
->DevChannels
[7] = SIDE_RIGHT
; break;
878 const ALCchar
*DevFmtTypeString(enum DevFmtType type
)
882 case DevFmtByte
: return "Signed Byte";
883 case DevFmtUByte
: return "Unsigned Byte";
884 case DevFmtShort
: return "Signed Short";
885 case DevFmtUShort
: return "Unsigned Short";
886 case DevFmtInt
: return "Signed Int";
887 case DevFmtUInt
: return "Unsigned Int";
888 case DevFmtFloat
: return "Float";
890 return "(unknown type)";
892 const ALCchar
*DevFmtChannelsString(enum DevFmtChannels chans
)
896 case DevFmtMono
: return "Mono";
897 case DevFmtStereo
: return "Stereo";
898 case DevFmtQuad
: return "Quadraphonic";
899 case DevFmtX51
: return "5.1 Surround";
900 case DevFmtX51Side
: return "5.1 Side";
901 case DevFmtX61
: return "6.1 Surround";
902 case DevFmtX71
: return "7.1 Surround";
904 return "(unknown channels)";
907 ALuint
BytesFromDevFmt(enum DevFmtType type
)
911 case DevFmtByte
: return sizeof(ALbyte
);
912 case DevFmtUByte
: return sizeof(ALubyte
);
913 case DevFmtShort
: return sizeof(ALshort
);
914 case DevFmtUShort
: return sizeof(ALushort
);
915 case DevFmtInt
: return sizeof(ALint
);
916 case DevFmtUInt
: return sizeof(ALuint
);
917 case DevFmtFloat
: return sizeof(ALfloat
);
921 ALuint
ChannelsFromDevFmt(enum DevFmtChannels chans
)
925 case DevFmtMono
: return 1;
926 case DevFmtStereo
: return 2;
927 case DevFmtQuad
: return 4;
928 case DevFmtX51
: return 6;
929 case DevFmtX51Side
: return 6;
930 case DevFmtX61
: return 7;
931 case DevFmtX71
: return 8;
935 static ALboolean
DecomposeDevFormat(ALenum format
, enum DevFmtChannels
*chans
,
936 enum DevFmtType
*type
)
938 static const struct {
940 enum DevFmtChannels channels
;
941 enum DevFmtType type
;
943 { AL_FORMAT_MONO8
, DevFmtMono
, DevFmtUByte
},
944 { AL_FORMAT_MONO16
, DevFmtMono
, DevFmtShort
},
945 { AL_FORMAT_MONO_FLOAT32
, DevFmtMono
, DevFmtFloat
},
947 { AL_FORMAT_STEREO8
, DevFmtStereo
, DevFmtUByte
},
948 { AL_FORMAT_STEREO16
, DevFmtStereo
, DevFmtShort
},
949 { AL_FORMAT_STEREO_FLOAT32
, DevFmtStereo
, DevFmtFloat
},
951 { AL_FORMAT_QUAD8
, DevFmtQuad
, DevFmtUByte
},
952 { AL_FORMAT_QUAD16
, DevFmtQuad
, DevFmtShort
},
953 { AL_FORMAT_QUAD32
, DevFmtQuad
, DevFmtFloat
},
955 { AL_FORMAT_51CHN8
, DevFmtX51
, DevFmtUByte
},
956 { AL_FORMAT_51CHN16
, DevFmtX51
, DevFmtShort
},
957 { AL_FORMAT_51CHN32
, DevFmtX51
, DevFmtFloat
},
959 { AL_FORMAT_61CHN8
, DevFmtX61
, DevFmtUByte
},
960 { AL_FORMAT_61CHN16
, DevFmtX61
, DevFmtShort
},
961 { AL_FORMAT_61CHN32
, DevFmtX61
, DevFmtFloat
},
963 { AL_FORMAT_71CHN8
, DevFmtX71
, DevFmtUByte
},
964 { AL_FORMAT_71CHN16
, DevFmtX71
, DevFmtShort
},
965 { AL_FORMAT_71CHN32
, DevFmtX71
, DevFmtFloat
},
969 for(i
= 0;i
< COUNTOF(list
);i
++)
971 if(list
[i
].format
== format
)
973 *chans
= list
[i
].channels
;
974 *type
= list
[i
].type
;
982 static ALCboolean
IsValidALCType(ALCenum type
)
987 case ALC_UNSIGNED_BYTE_SOFT
:
989 case ALC_UNSIGNED_SHORT_SOFT
:
991 case ALC_UNSIGNED_INT_SOFT
:
998 static ALCboolean
IsValidALCChannels(ALCenum channels
)
1003 case ALC_STEREO_SOFT
:
1005 case ALC_5POINT1_SOFT
:
1006 case ALC_6POINT1_SOFT
:
1007 case ALC_7POINT1_SOFT
:
1016 * Stores the latest ALC Error
1018 static void alcSetError(ALCdevice
*device
, ALCenum errorCode
)
1023 /* DebugBreak() will cause an exception if there is no debugger */
1024 if(IsDebuggerPresent())
1026 #elif defined(SIGTRAP)
1032 device
->LastError
= errorCode
;
1034 g_eLastNullDeviceError
= errorCode
;
1038 /* UpdateDeviceParams
1040 * Updates device parameters according to the attribute list (caller is
1041 * responsible for holding the list lock).
1043 static ALCenum
UpdateDeviceParams(ALCdevice
*device
, const ALCint
*attrList
)
1045 ALCcontext
*context
;
1046 enum DevFmtChannels oldChans
;
1047 enum DevFmtType oldType
;
1052 // Check for attributes
1053 if(device
->Type
== Loopback
)
1059 GotAll
= GotFreq
|GotChans
|GotType
1061 ALCuint freq
, numMono
, numStereo
, numSends
;
1062 enum DevFmtChannels schans
;
1063 enum DevFmtType stype
;
1064 ALCuint attrIdx
= 0;
1069 WARN("Missing attributes for loopback device\n");
1070 return ALC_INVALID_VALUE
;
1073 numMono
= device
->NumMonoSources
;
1074 numStereo
= device
->NumStereoSources
;
1075 numSends
= device
->NumAuxSends
;
1077 while(attrList
[attrIdx
])
1079 if(attrList
[attrIdx
] == ALC_FORMAT_CHANNELS_SOFT
)
1081 ALCint val
= attrList
[attrIdx
+ 1];
1082 if(!IsValidALCChannels(val
) || !ChannelsFromDevFmt(val
))
1083 return ALC_INVALID_VALUE
;
1088 if(attrList
[attrIdx
] == ALC_FORMAT_TYPE_SOFT
)
1090 ALCint val
= attrList
[attrIdx
+ 1];
1091 if(!IsValidALCType(val
) || !BytesFromDevFmt(val
))
1092 return ALC_INVALID_VALUE
;
1097 if(attrList
[attrIdx
] == ALC_FREQUENCY
)
1099 freq
= attrList
[attrIdx
+ 1];
1100 if(freq
< MIN_OUTPUT_RATE
)
1101 return ALC_INVALID_VALUE
;
1105 if(attrList
[attrIdx
] == ALC_STEREO_SOURCES
)
1107 numStereo
= attrList
[attrIdx
+ 1];
1108 if(numStereo
> device
->MaxNoOfSources
)
1109 numStereo
= device
->MaxNoOfSources
;
1111 numMono
= device
->MaxNoOfSources
- numStereo
;
1114 if(attrList
[attrIdx
] == ALC_MAX_AUXILIARY_SENDS
)
1115 numSends
= attrList
[attrIdx
+ 1];
1120 if(gotFmt
!= GotAll
)
1122 WARN("Missing format for loopback device\n");
1123 return ALC_INVALID_VALUE
;
1126 ConfigValueUInt(NULL
, "sends", &numSends
);
1127 numSends
= minu(MAX_SENDS
, numSends
);
1129 if((device
->Flags
&DEVICE_RUNNING
))
1130 ALCdevice_StopPlayback(device
);
1131 device
->Flags
&= ~DEVICE_RUNNING
;
1133 device
->Frequency
= freq
;
1134 device
->FmtChans
= schans
;
1135 device
->FmtType
= stype
;
1136 device
->NumMonoSources
= numMono
;
1137 device
->NumStereoSources
= numStereo
;
1138 device
->NumAuxSends
= numSends
;
1140 else if(attrList
&& attrList
[0])
1142 ALCuint freq
, numMono
, numStereo
, numSends
;
1143 ALCuint attrIdx
= 0;
1145 /* If a context is already running on the device, stop playback so the
1146 * device attributes can be updated. */
1147 if((device
->Flags
&DEVICE_RUNNING
))
1148 ALCdevice_StopPlayback(device
);
1149 device
->Flags
&= ~DEVICE_RUNNING
;
1151 freq
= device
->Frequency
;
1152 numMono
= device
->NumMonoSources
;
1153 numStereo
= device
->NumStereoSources
;
1154 numSends
= device
->NumAuxSends
;
1156 while(attrList
[attrIdx
])
1158 if(attrList
[attrIdx
] == ALC_FREQUENCY
)
1160 freq
= attrList
[attrIdx
+ 1];
1161 device
->Flags
|= DEVICE_FREQUENCY_REQUEST
;
1164 if(attrList
[attrIdx
] == ALC_STEREO_SOURCES
)
1166 numStereo
= attrList
[attrIdx
+ 1];
1167 if(numStereo
> device
->MaxNoOfSources
)
1168 numStereo
= device
->MaxNoOfSources
;
1170 numMono
= device
->MaxNoOfSources
- numStereo
;
1173 if(attrList
[attrIdx
] == ALC_MAX_AUXILIARY_SENDS
)
1174 numSends
= attrList
[attrIdx
+ 1];
1179 ConfigValueUInt(NULL
, "frequency", &freq
);
1180 freq
= maxu(freq
, MIN_OUTPUT_RATE
);
1182 ConfigValueUInt(NULL
, "sends", &numSends
);
1183 numSends
= minu(MAX_SENDS
, numSends
);
1185 device
->UpdateSize
= (ALuint64
)device
->UpdateSize
* freq
/
1188 device
->Frequency
= freq
;
1189 device
->NumMonoSources
= numMono
;
1190 device
->NumStereoSources
= numStereo
;
1191 device
->NumAuxSends
= numSends
;
1194 if((device
->Flags
&DEVICE_RUNNING
))
1195 return ALC_NO_ERROR
;
1199 oldFreq
= device
->Frequency
;
1200 oldChans
= device
->FmtChans
;
1201 oldType
= device
->FmtType
;
1203 TRACE("Format pre-setup: %s%s, %s%s, %uhz%s, %u update size x%d\n",
1204 DevFmtChannelsString(device
->FmtChans
),
1205 (device
->Flags
&DEVICE_CHANNELS_REQUEST
)?" (requested)":"",
1206 DevFmtTypeString(device
->FmtType
),
1207 (device
->Flags
&DEVICE_SAMPLE_TYPE_REQUEST
)?" (requested)":"",
1209 (device
->Flags
&DEVICE_FREQUENCY_REQUEST
)?" (requested)":"",
1210 device
->UpdateSize
, device
->NumUpdates
);
1211 if(ALCdevice_ResetPlayback(device
) == ALC_FALSE
)
1213 UnlockDevice(device
);
1214 return ALC_INVALID_DEVICE
;
1216 device
->Flags
|= DEVICE_RUNNING
;
1218 if(device
->FmtChans
!= oldChans
&& (device
->Flags
&DEVICE_CHANNELS_REQUEST
))
1220 ERR("Failed to set %s, got %s instead\n", DevFmtChannelsString(oldChans
),
1221 DevFmtChannelsString(device
->FmtChans
));
1222 device
->Flags
&= ~DEVICE_CHANNELS_REQUEST
;
1224 if(device
->FmtType
!= oldType
&& (device
->Flags
&DEVICE_SAMPLE_TYPE_REQUEST
))
1226 ERR("Failed to set %s, got %s instead\n", DevFmtTypeString(oldType
),
1227 DevFmtTypeString(device
->FmtType
));
1228 device
->Flags
&= ~DEVICE_SAMPLE_TYPE_REQUEST
;
1230 if(device
->Frequency
!= oldFreq
&& (device
->Flags
&DEVICE_FREQUENCY_REQUEST
))
1232 ERR("Failed to set %uhz, got %uhz instead\n", oldFreq
, device
->Frequency
);
1233 device
->Flags
&= ~DEVICE_FREQUENCY_REQUEST
;
1236 TRACE("Format post-setup: %s, %s, %uhz, %u update size x%d\n",
1237 DevFmtChannelsString(device
->FmtChans
),
1238 DevFmtTypeString(device
->FmtType
), device
->Frequency
,
1239 device
->UpdateSize
, device
->NumUpdates
);
1241 aluInitPanning(device
);
1243 for(i
= 0;i
< MAXCHANNELS
;i
++)
1245 device
->ClickRemoval
[i
] = 0.0f
;
1246 device
->PendingClicks
[i
] = 0.0f
;
1249 device
->Hrtf
= NULL
;
1250 if(device
->Type
!= Loopback
&& GetConfigValueBool(NULL
, "hrtf", AL_FALSE
))
1251 device
->Hrtf
= GetHrtf(device
);
1252 TRACE("HRTF %s\n", device
->Hrtf
?"enabled":"disabled");
1254 if(!device
->Hrtf
&& device
->Bs2bLevel
> 0 && device
->Bs2bLevel
<= 6)
1258 device
->Bs2b
= calloc(1, sizeof(*device
->Bs2b
));
1259 bs2b_clear(device
->Bs2b
);
1261 bs2b_set_srate(device
->Bs2b
, device
->Frequency
);
1262 bs2b_set_level(device
->Bs2b
, device
->Bs2bLevel
);
1263 TRACE("BS2B level %d\n", device
->Bs2bLevel
);
1268 device
->Bs2b
= NULL
;
1269 TRACE("BS2B disabled\n");
1272 device
->Flags
&= ~DEVICE_DUPLICATE_STEREO
;
1273 switch(device
->FmtChans
)
1283 if(GetConfigValueBool(NULL
, "stereodup", AL_TRUE
))
1284 device
->Flags
|= DEVICE_DUPLICATE_STEREO
;
1287 TRACE("Stereo duplication %s\n", (device
->Flags
&DEVICE_DUPLICATE_STEREO
)?"enabled":"disabled");
1289 oldMode
= SetMixerFPUMode();
1290 context
= device
->ContextList
;
1295 context
->UpdateSources
= AL_FALSE
;
1296 LockUIntMapRead(&context
->EffectSlotMap
);
1297 for(pos
= 0;pos
< context
->EffectSlotMap
.size
;pos
++)
1299 ALeffectslot
*slot
= context
->EffectSlotMap
.array
[pos
].value
;
1301 if(ALeffectState_DeviceUpdate(slot
->EffectState
, device
) == AL_FALSE
)
1303 UnlockUIntMapRead(&context
->EffectSlotMap
);
1304 RestoreFPUMode(oldMode
);
1305 UnlockDevice(device
);
1306 ALCdevice_StopPlayback(device
);
1307 device
->Flags
&= ~DEVICE_RUNNING
;
1308 return ALC_INVALID_DEVICE
;
1310 slot
->NeedsUpdate
= AL_FALSE
;
1311 ALeffectState_Update(slot
->EffectState
, context
, slot
);
1313 UnlockUIntMapRead(&context
->EffectSlotMap
);
1315 LockUIntMapRead(&context
->SourceMap
);
1316 for(pos
= 0;pos
< context
->SourceMap
.size
;pos
++)
1318 ALsource
*source
= context
->SourceMap
.array
[pos
].value
;
1319 ALuint s
= device
->NumAuxSends
;
1320 while(s
< MAX_SENDS
)
1322 if(source
->Send
[s
].Slot
)
1323 DecrementRef(&source
->Send
[s
].Slot
->ref
);
1324 source
->Send
[s
].Slot
= NULL
;
1325 source
->Send
[s
].WetGain
= 1.0f
;
1326 source
->Send
[s
].WetGainHF
= 1.0f
;
1329 source
->NeedsUpdate
= AL_FALSE
;
1330 ALsource_Update(source
, context
);
1332 UnlockUIntMapRead(&context
->SourceMap
);
1334 context
= context
->next
;
1336 RestoreFPUMode(oldMode
);
1337 UnlockDevice(device
);
1339 return ALC_NO_ERROR
;
1344 * Frees the device structure, and destroys any objects the app failed to
1345 * delete. Called once there's no more references on the device.
1347 static ALCvoid
FreeDevice(ALCdevice
*device
)
1349 TRACE("%p\n", device
);
1351 if(device
->DefaultSlot
)
1353 ALeffectState_Destroy(device
->DefaultSlot
->EffectState
);
1354 device
->DefaultSlot
->EffectState
= NULL
;
1357 if(device
->BufferMap
.size
> 0)
1359 WARN("(%p) Deleting %d Buffer(s)\n", device
, device
->BufferMap
.size
);
1360 ReleaseALBuffers(device
);
1362 ResetUIntMap(&device
->BufferMap
);
1364 if(device
->EffectMap
.size
> 0)
1366 WARN("(%p) Deleting %d Effect(s)\n", device
, device
->EffectMap
.size
);
1367 ReleaseALEffects(device
);
1369 ResetUIntMap(&device
->EffectMap
);
1371 if(device
->FilterMap
.size
> 0)
1373 WARN("(%p) Deleting %d Filter(s)\n", device
, device
->FilterMap
.size
);
1374 ReleaseALFilters(device
);
1376 ResetUIntMap(&device
->FilterMap
);
1379 device
->Bs2b
= NULL
;
1381 free(device
->szDeviceName
);
1382 device
->szDeviceName
= NULL
;
1384 DeleteCriticalSection(&device
->Mutex
);
1390 void ALCdevice_IncRef(ALCdevice
*device
)
1393 ref
= IncrementRef(&device
->ref
);
1394 TRACEREF("%p increasing refcount to %u\n", device
, ref
);
1397 void ALCdevice_DecRef(ALCdevice
*device
)
1400 ref
= DecrementRef(&device
->ref
);
1401 TRACEREF("%p decreasing refcount to %u\n", device
, ref
);
1402 if(ref
== 0) FreeDevice(device
);
1407 * Checks if the device handle is valid, and increments its ref count if so.
1409 static ALCdevice
*VerifyDevice(ALCdevice
*device
)
1411 ALCdevice
*tmpDevice
;
1417 tmpDevice
= DeviceList
;
1418 while(tmpDevice
&& tmpDevice
!= device
)
1419 tmpDevice
= tmpDevice
->next
;
1422 ALCdevice_IncRef(tmpDevice
);
1430 * Initializes context variables
1432 static ALvoid
InitContext(ALCcontext
*pContext
)
1436 //Initialise listener
1437 pContext
->Listener
.Gain
= 1.0f
;
1438 pContext
->Listener
.MetersPerUnit
= 1.0f
;
1439 pContext
->Listener
.Position
[0] = 0.0f
;
1440 pContext
->Listener
.Position
[1] = 0.0f
;
1441 pContext
->Listener
.Position
[2] = 0.0f
;
1442 pContext
->Listener
.Velocity
[0] = 0.0f
;
1443 pContext
->Listener
.Velocity
[1] = 0.0f
;
1444 pContext
->Listener
.Velocity
[2] = 0.0f
;
1445 pContext
->Listener
.Forward
[0] = 0.0f
;
1446 pContext
->Listener
.Forward
[1] = 0.0f
;
1447 pContext
->Listener
.Forward
[2] = -1.0f
;
1448 pContext
->Listener
.Up
[0] = 0.0f
;
1449 pContext
->Listener
.Up
[1] = 1.0f
;
1450 pContext
->Listener
.Up
[2] = 0.0f
;
1451 for(i
= 0;i
< 4;i
++)
1453 for(j
= 0;j
< 4;j
++)
1454 pContext
->Listener
.Matrix
[i
][j
] = ((i
==j
) ? 1.0f
: 0.0f
);
1458 pContext
->LastError
= AL_NO_ERROR
;
1459 pContext
->UpdateSources
= AL_FALSE
;
1460 pContext
->ActiveSourceCount
= 0;
1461 InitUIntMap(&pContext
->SourceMap
, pContext
->Device
->MaxNoOfSources
);
1462 InitUIntMap(&pContext
->EffectSlotMap
, pContext
->Device
->AuxiliaryEffectSlotMax
);
1465 pContext
->DistanceModel
= AL_INVERSE_DISTANCE_CLAMPED
;
1466 pContext
->SourceDistanceModel
= AL_FALSE
;
1467 pContext
->DopplerFactor
= 1.0f
;
1468 pContext
->DopplerVelocity
= 1.0f
;
1469 pContext
->flSpeedOfSound
= SPEEDOFSOUNDMETRESPERSEC
;
1470 pContext
->DeferUpdates
= AL_FALSE
;
1472 pContext
->ExtensionList
= alExtList
;
1478 * Cleans up the context, and destroys any remaining objects the app failed to
1479 * delete. Called once there's no more references on the context.
1481 static ALCvoid
FreeContext(ALCcontext
*context
)
1483 TRACE("%p\n", context
);
1485 if(context
->SourceMap
.size
> 0)
1487 ERR("(%p) Deleting %d Source(s)\n", context
, context
->SourceMap
.size
);
1488 ReleaseALSources(context
);
1490 ResetUIntMap(&context
->SourceMap
);
1492 if(context
->EffectSlotMap
.size
> 0)
1494 ERR("(%p) Deleting %d AuxiliaryEffectSlot(s)\n", context
, context
->EffectSlotMap
.size
);
1495 ReleaseALAuxiliaryEffectSlots(context
);
1497 ResetUIntMap(&context
->EffectSlotMap
);
1499 context
->ActiveSourceCount
= 0;
1500 free(context
->ActiveSources
);
1501 context
->ActiveSources
= NULL
;
1502 context
->MaxActiveSources
= 0;
1504 context
->ActiveEffectSlotCount
= 0;
1505 free(context
->ActiveEffectSlots
);
1506 context
->ActiveEffectSlots
= NULL
;
1507 context
->MaxActiveEffectSlots
= 0;
1509 ALCdevice_DecRef(context
->Device
);
1510 context
->Device
= NULL
;
1512 //Invalidate context
1513 memset(context
, 0, sizeof(ALCcontext
));
1519 * Removes the context reference from the given device and removes it from
1520 * being current on the running thread or globally.
1522 static void ReleaseContext(ALCcontext
*context
, ALCdevice
*device
)
1524 ALCcontext
*volatile*tmp_ctx
;
1526 if(pthread_getspecific(LocalContext
) == context
)
1528 WARN("%p released while current on thread\n", context
);
1529 pthread_setspecific(LocalContext
, NULL
);
1530 ALCcontext_DecRef(context
);
1533 if(CompExchangePtr((XchgPtr
*)&GlobalContext
, context
, NULL
))
1534 ALCcontext_DecRef(context
);
1537 tmp_ctx
= &device
->ContextList
;
1540 if(CompExchangePtr((XchgPtr
*)tmp_ctx
, context
, context
->next
))
1542 tmp_ctx
= &(*tmp_ctx
)->next
;
1544 UnlockDevice(device
);
1546 ALCcontext_DecRef(context
);
1549 void ALCcontext_IncRef(ALCcontext
*context
)
1552 ref
= IncrementRef(&context
->ref
);
1553 TRACEREF("%p increasing refcount to %u\n", context
, ref
);
1556 void ALCcontext_DecRef(ALCcontext
*context
)
1559 ref
= DecrementRef(&context
->ref
);
1560 TRACEREF("%p decreasing refcount to %u\n", context
, ref
);
1561 if(ref
== 0) FreeContext(context
);
1564 static void ReleaseThreadCtx(void *ptr
)
1566 WARN("%p current for thread being destroyed\n", ptr
);
1567 ALCcontext_DecRef(ptr
);
1572 * Checks that the given context is valid, and increments its reference count.
1574 static ALCcontext
*VerifyContext(ALCcontext
*context
)
1582 ALCcontext
*tmp_ctx
= dev
->ContextList
;
1585 if(tmp_ctx
== context
)
1587 ALCcontext_IncRef(tmp_ctx
);
1591 tmp_ctx
= tmp_ctx
->next
;
1603 * Returns the currently active context, and adds a reference without locking
1606 ALCcontext
*GetContextRef(void)
1608 ALCcontext
*context
;
1610 context
= pthread_getspecific(LocalContext
);
1612 ALCcontext_IncRef(context
);
1616 context
= GlobalContext
;
1618 ALCcontext_IncRef(context
);
1625 ///////////////////////////////////////////////////////
1628 ///////////////////////////////////////////////////////
1629 // ALC Functions calls
1632 // This should probably move to another c file but for now ...
1633 ALC_API ALCdevice
* ALC_APIENTRY
alcCaptureOpenDevice(const ALCchar
*deviceName
, ALCuint frequency
, ALCenum format
, ALCsizei SampleSize
)
1635 ALCdevice
*device
= NULL
;
1640 if(!CaptureBackend
.name
)
1642 alcSetError(NULL
, ALC_INVALID_VALUE
);
1648 alcSetError(NULL
, ALC_INVALID_VALUE
);
1652 if(deviceName
&& (!deviceName
[0] || strcasecmp(deviceName
, alcDefaultName
) == 0 || strcasecmp(deviceName
, "openal-soft") == 0))
1655 device
= calloc(1, sizeof(ALCdevice
));
1658 alcSetError(NULL
, ALC_OUT_OF_MEMORY
);
1663 device
->Funcs
= &CaptureBackend
.Funcs
;
1665 device
->Connected
= ALC_TRUE
;
1666 device
->Type
= Capture
;
1667 InitializeCriticalSection(&device
->Mutex
);
1669 InitUIntMap(&device
->BufferMap
, ~0);
1670 InitUIntMap(&device
->EffectMap
, ~0);
1671 InitUIntMap(&device
->FilterMap
, ~0);
1673 device
->szDeviceName
= NULL
;
1675 device
->Flags
|= DEVICE_FREQUENCY_REQUEST
;
1676 device
->Frequency
= frequency
;
1678 device
->Flags
|= DEVICE_CHANNELS_REQUEST
| DEVICE_SAMPLE_TYPE_REQUEST
;
1679 if(DecomposeDevFormat(format
, &device
->FmtChans
, &device
->FmtType
) == AL_FALSE
)
1681 DeleteCriticalSection(&device
->Mutex
);
1683 alcSetError(NULL
, ALC_INVALID_ENUM
);
1687 device
->UpdateSize
= SampleSize
;
1688 device
->NumUpdates
= 1;
1691 if((err
=ALCdevice_OpenCapture(device
, deviceName
)) != ALC_NO_ERROR
)
1694 DeleteCriticalSection(&device
->Mutex
);
1696 alcSetError(NULL
, err
);
1702 device
->next
= DeviceList
;
1703 } while(!CompExchangePtr((XchgPtr
*)&DeviceList
, device
->next
, device
));
1705 TRACE("Created device %p\n", device
);
1709 ALC_API ALCboolean ALC_APIENTRY
alcCaptureCloseDevice(ALCdevice
*pDevice
)
1711 ALCdevice
*volatile*list
;
1715 while(*list
&& *list
!= pDevice
)
1716 list
= &(*list
)->next
;
1718 if(!*list
|| (*list
)->Type
!= Capture
)
1720 alcSetError(*list
, ALC_INVALID_DEVICE
);
1725 *list
= (*list
)->next
;
1728 LockDevice(pDevice
);
1729 ALCdevice_CloseCapture(pDevice
);
1730 UnlockDevice(pDevice
);
1732 ALCdevice_DecRef(pDevice
);
1737 ALC_API
void ALC_APIENTRY
alcCaptureStart(ALCdevice
*device
)
1739 if(!(device
=VerifyDevice(device
)) || device
->Type
!= Capture
)
1741 alcSetError(device
, ALC_INVALID_DEVICE
);
1742 if(device
) ALCdevice_DecRef(device
);
1746 if(device
->Connected
)
1747 ALCdevice_StartCapture(device
);
1748 UnlockDevice(device
);
1750 ALCdevice_DecRef(device
);
1753 ALC_API
void ALC_APIENTRY
alcCaptureStop(ALCdevice
*device
)
1755 if(!(device
=VerifyDevice(device
)) || device
->Type
!= Capture
)
1757 alcSetError(device
, ALC_INVALID_DEVICE
);
1758 if(device
) ALCdevice_DecRef(device
);
1762 if(device
->Connected
)
1763 ALCdevice_StopCapture(device
);
1764 UnlockDevice(device
);
1766 ALCdevice_DecRef(device
);
1769 ALC_API
void ALC_APIENTRY
alcCaptureSamples(ALCdevice
*device
, ALCvoid
*buffer
, ALCsizei samples
)
1771 ALCenum err
= ALC_INVALID_DEVICE
;
1772 if((device
=VerifyDevice(device
)) != NULL
&& device
->Type
== Capture
)
1774 err
= ALC_INVALID_VALUE
;
1776 if(samples
>= 0 && ALCdevice_AvailableSamples(device
) >= (ALCuint
)samples
)
1777 err
= ALCdevice_CaptureSamples(device
, buffer
, samples
);
1778 UnlockDevice(device
);
1780 if(err
!= ALC_NO_ERROR
)
1781 alcSetError(device
, err
);
1782 if(device
) ALCdevice_DecRef(device
);
1788 Return last ALC generated error code
1790 ALC_API ALCenum ALC_APIENTRY
alcGetError(ALCdevice
*device
)
1794 if(VerifyDevice(device
))
1796 errorCode
= ExchangeInt(&device
->LastError
, ALC_NO_ERROR
);
1797 ALCdevice_DecRef(device
);
1800 errorCode
= ExchangeInt(&g_eLastNullDeviceError
, ALC_NO_ERROR
);
1806 /* alcSuspendContext
1810 ALC_API ALCvoid ALC_APIENTRY
alcSuspendContext(ALCcontext
*Context
)
1815 /* alcProcessContext
1819 ALC_API ALCvoid ALC_APIENTRY
alcProcessContext(ALCcontext
*Context
)
1827 * Returns information about the Device, and error strings
1829 ALC_API
const ALCchar
* ALC_APIENTRY
alcGetString(ALCdevice
*pDevice
,ALCenum param
)
1831 const ALCchar
*value
= NULL
;
1839 case ALC_INVALID_ENUM
:
1840 value
= alcErrInvalidEnum
;
1843 case ALC_INVALID_VALUE
:
1844 value
= alcErrInvalidValue
;
1847 case ALC_INVALID_DEVICE
:
1848 value
= alcErrInvalidDevice
;
1851 case ALC_INVALID_CONTEXT
:
1852 value
= alcErrInvalidContext
;
1855 case ALC_OUT_OF_MEMORY
:
1856 value
= alcErrOutOfMemory
;
1859 case ALC_DEVICE_SPECIFIER
:
1860 value
= alcDefaultName
;
1863 case ALC_ALL_DEVICES_SPECIFIER
:
1864 if(VerifyDevice(pDevice
))
1866 value
= pDevice
->szDeviceName
;
1867 ALCdevice_DecRef(pDevice
);
1871 ProbeAllDeviceList();
1872 value
= alcAllDeviceList
;
1876 case ALC_CAPTURE_DEVICE_SPECIFIER
:
1877 if(VerifyDevice(pDevice
))
1879 value
= pDevice
->szDeviceName
;
1880 ALCdevice_DecRef(pDevice
);
1884 ProbeCaptureDeviceList();
1885 value
= alcCaptureDeviceList
;
1889 /* Default devices are always first in the list */
1890 case ALC_DEFAULT_DEVICE_SPECIFIER
:
1891 value
= alcDefaultName
;
1894 case ALC_DEFAULT_ALL_DEVICES_SPECIFIER
:
1895 if(!alcAllDeviceList
)
1896 ProbeAllDeviceList();
1898 pDevice
= VerifyDevice(pDevice
);
1900 free(alcDefaultAllDeviceSpecifier
);
1901 alcDefaultAllDeviceSpecifier
= strdup(alcAllDeviceList
?
1902 alcAllDeviceList
: "");
1903 if(!alcDefaultAllDeviceSpecifier
)
1904 alcSetError(pDevice
, ALC_OUT_OF_MEMORY
);
1906 value
= alcDefaultAllDeviceSpecifier
;
1907 if(pDevice
) ALCdevice_DecRef(pDevice
);
1910 case ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER
:
1911 if(!alcCaptureDeviceList
)
1912 ProbeCaptureDeviceList();
1914 pDevice
= VerifyDevice(pDevice
);
1916 free(alcCaptureDefaultDeviceSpecifier
);
1917 alcCaptureDefaultDeviceSpecifier
= strdup(alcCaptureDeviceList
?
1918 alcCaptureDeviceList
: "");
1919 if(!alcCaptureDefaultDeviceSpecifier
)
1920 alcSetError(pDevice
, ALC_OUT_OF_MEMORY
);
1922 value
= alcCaptureDefaultDeviceSpecifier
;
1923 if(pDevice
) ALCdevice_DecRef(pDevice
);
1926 case ALC_EXTENSIONS
:
1927 if(!VerifyDevice(pDevice
))
1928 value
= alcNoDeviceExtList
;
1931 value
= alcExtensionList
;
1932 ALCdevice_DecRef(pDevice
);
1937 pDevice
= VerifyDevice(pDevice
);
1938 alcSetError(pDevice
, ALC_INVALID_ENUM
);
1939 if(pDevice
) ALCdevice_DecRef(pDevice
);
1949 * Returns information about the Device and the version of Open AL
1951 ALC_API ALCvoid ALC_APIENTRY
alcGetIntegerv(ALCdevice
*device
,ALCenum param
,ALsizei size
,ALCint
*data
)
1953 device
= VerifyDevice(device
);
1955 if(size
== 0 || data
== NULL
)
1957 alcSetError(device
, ALC_INVALID_VALUE
);
1958 if(device
) ALCdevice_DecRef(device
);
1966 case ALC_MAJOR_VERSION
:
1967 *data
= alcMajorVersion
;
1969 case ALC_MINOR_VERSION
:
1970 *data
= alcMinorVersion
;
1973 case ALC_ATTRIBUTES_SIZE
:
1974 case ALC_ALL_ATTRIBUTES
:
1978 case ALC_MONO_SOURCES
:
1979 case ALC_STEREO_SOURCES
:
1980 case ALC_CAPTURE_SAMPLES
:
1981 case ALC_FORMAT_CHANNELS_SOFT
:
1982 case ALC_FORMAT_TYPE_SOFT
:
1983 alcSetError(NULL
, ALC_INVALID_DEVICE
);
1987 alcSetError(NULL
, ALC_INVALID_ENUM
);
1991 else if(device
->Type
== Capture
)
1995 case ALC_CAPTURE_SAMPLES
:
1997 *data
= ALCdevice_AvailableSamples(device
);
1998 UnlockDevice(device
);
2002 *data
= device
->Connected
;
2006 alcSetError(device
, ALC_INVALID_ENUM
);
2010 else /* render device */
2014 case ALC_MAJOR_VERSION
:
2015 *data
= alcMajorVersion
;
2018 case ALC_MINOR_VERSION
:
2019 *data
= alcMinorVersion
;
2022 case ALC_EFX_MAJOR_VERSION
:
2023 *data
= alcEFXMajorVersion
;
2026 case ALC_EFX_MINOR_VERSION
:
2027 *data
= alcEFXMinorVersion
;
2030 case ALC_ATTRIBUTES_SIZE
:
2034 case ALC_ALL_ATTRIBUTES
:
2036 alcSetError(device
, ALC_INVALID_VALUE
);
2041 data
[i
++] = ALC_FREQUENCY
;
2042 data
[i
++] = device
->Frequency
;
2044 if(device
->Type
!= Loopback
)
2046 data
[i
++] = ALC_REFRESH
;
2047 data
[i
++] = device
->Frequency
/ device
->UpdateSize
;
2049 data
[i
++] = ALC_SYNC
;
2050 data
[i
++] = ALC_FALSE
;
2054 data
[i
++] = ALC_FORMAT_CHANNELS_SOFT
;
2055 data
[i
++] = device
->FmtChans
;
2057 data
[i
++] = ALC_FORMAT_TYPE_SOFT
;
2058 data
[i
++] = device
->FmtType
;
2061 data
[i
++] = ALC_MONO_SOURCES
;
2062 data
[i
++] = device
->NumMonoSources
;
2064 data
[i
++] = ALC_STEREO_SOURCES
;
2065 data
[i
++] = device
->NumStereoSources
;
2067 data
[i
++] = ALC_MAX_AUXILIARY_SENDS
;
2068 data
[i
++] = device
->NumAuxSends
;
2075 *data
= device
->Frequency
;
2079 if(device
->Type
== Loopback
)
2080 alcSetError(device
, ALC_INVALID_DEVICE
);
2082 *data
= device
->Frequency
/ device
->UpdateSize
;
2086 if(device
->Type
== Loopback
)
2087 alcSetError(device
, ALC_INVALID_DEVICE
);
2092 case ALC_FORMAT_CHANNELS_SOFT
:
2093 if(device
->Type
!= Loopback
)
2094 alcSetError(device
, ALC_INVALID_DEVICE
);
2096 *data
= device
->FmtChans
;
2099 case ALC_FORMAT_TYPE_SOFT
:
2100 if(device
->Type
!= Loopback
)
2101 alcSetError(device
, ALC_INVALID_DEVICE
);
2103 *data
= device
->FmtType
;
2106 case ALC_MONO_SOURCES
:
2107 *data
= device
->NumMonoSources
;
2110 case ALC_STEREO_SOURCES
:
2111 *data
= device
->NumStereoSources
;
2114 case ALC_MAX_AUXILIARY_SENDS
:
2115 *data
= device
->NumAuxSends
;
2119 *data
= device
->Connected
;
2123 alcSetError(device
, ALC_INVALID_ENUM
);
2128 ALCdevice_DecRef(device
);
2132 /* alcIsExtensionPresent
2134 * Determines if there is support for a particular extension
2136 ALC_API ALCboolean ALC_APIENTRY
alcIsExtensionPresent(ALCdevice
*device
, const ALCchar
*extName
)
2138 ALCboolean bResult
= ALC_FALSE
;
2140 device
= VerifyDevice(device
);
2143 alcSetError(device
, ALC_INVALID_VALUE
);
2146 size_t len
= strlen(extName
);
2147 const char *ptr
= (device
? alcExtensionList
: alcNoDeviceExtList
);
2150 if(strncasecmp(ptr
, extName
, len
) == 0 &&
2151 (ptr
[len
] == '\0' || isspace(ptr
[len
])))
2156 if((ptr
=strchr(ptr
, ' ')) != NULL
)
2160 } while(isspace(*ptr
));
2165 ALCdevice_DecRef(device
);
2170 /* alcGetProcAddress
2172 * Retrieves the function address for a particular extension function
2174 ALC_API ALCvoid
* ALC_APIENTRY
alcGetProcAddress(ALCdevice
*device
, const ALCchar
*funcName
)
2176 ALCvoid
*ptr
= NULL
;
2178 device
= VerifyDevice(device
);
2181 alcSetError(device
, ALC_INVALID_VALUE
);
2185 while(alcFunctions
[i
].funcName
&& strcmp(alcFunctions
[i
].funcName
,funcName
) != 0)
2187 ptr
= alcFunctions
[i
].address
;
2190 ALCdevice_DecRef(device
);
2197 * Get the value for a particular ALC Enumerated Value
2199 ALC_API ALCenum ALC_APIENTRY
alcGetEnumValue(ALCdevice
*device
, const ALCchar
*enumName
)
2203 device
= VerifyDevice(device
);
2206 alcSetError(device
, ALC_INVALID_VALUE
);
2210 while(enumeration
[i
].enumName
&& strcmp(enumeration
[i
].enumName
,enumName
) != 0)
2212 val
= enumeration
[i
].value
;
2215 ALCdevice_DecRef(device
);
2222 * Create and attach a Context to a particular Device.
2224 ALC_API ALCcontext
* ALC_APIENTRY
alcCreateContext(ALCdevice
*device
, const ALCint
*attrList
)
2226 ALCcontext
*ALContext
;
2230 if(!(device
=VerifyDevice(device
)) || device
->Type
== Capture
|| !device
->Connected
)
2233 alcSetError(device
, ALC_INVALID_DEVICE
);
2234 if(device
) ALCdevice_DecRef(device
);
2238 /* Reset Context Last Error code */
2239 device
->LastError
= ALC_NO_ERROR
;
2241 if((err
=UpdateDeviceParams(device
, attrList
)) != ALC_NO_ERROR
)
2244 alcSetError(device
, err
);
2245 if(err
== ALC_INVALID_DEVICE
)
2246 aluHandleDisconnect(device
);
2247 ALCdevice_DecRef(device
);
2251 ALContext
= calloc(1, sizeof(ALCcontext
));
2256 ALContext
->MaxActiveSources
= 256;
2257 ALContext
->ActiveSources
= malloc(sizeof(ALContext
->ActiveSources
[0]) *
2258 ALContext
->MaxActiveSources
);
2260 if(!ALContext
|| !ALContext
->ActiveSources
)
2262 if(!device
->ContextList
)
2264 ALCdevice_StopPlayback(device
);
2265 device
->Flags
&= ~DEVICE_RUNNING
;
2272 alcSetError(device
, ALC_OUT_OF_MEMORY
);
2273 ALCdevice_DecRef(device
);
2277 ALContext
->Device
= device
;
2278 ALCdevice_IncRef(device
);
2279 InitContext(ALContext
);
2282 ALContext
->next
= device
->ContextList
;
2283 } while(!CompExchangePtr((XchgPtr
*)&device
->ContextList
, ALContext
->next
, ALContext
));
2286 if(device
->DefaultSlot
)
2287 InitializeEffect(ALContext
, device
->DefaultSlot
, &ForcedEffect
);
2288 ALContext
->LastError
= AL_NO_ERROR
;
2290 ALCdevice_DecRef(device
);
2292 TRACE("Created context %p\n", ALContext
);
2296 /* alcDestroyContext
2300 ALC_API ALCvoid ALC_APIENTRY
alcDestroyContext(ALCcontext
*context
)
2305 /* alcGetContextsDevice sets an error for invalid contexts */
2306 Device
= alcGetContextsDevice(context
);
2309 ReleaseContext(context
, Device
);
2310 if(!Device
->ContextList
)
2312 ALCdevice_StopPlayback(Device
);
2313 Device
->Flags
&= ~DEVICE_RUNNING
;
2320 /* alcGetCurrentContext
2322 * Returns the currently active Context
2324 ALC_API ALCcontext
* ALC_APIENTRY
alcGetCurrentContext(ALCvoid
)
2326 ALCcontext
*Context
;
2328 Context
= pthread_getspecific(LocalContext
);
2329 if(!Context
) Context
= GlobalContext
;
2334 /* alcGetThreadContext
2336 * Returns the currently active thread-local Context
2338 ALC_API ALCcontext
* ALC_APIENTRY
alcGetThreadContext(void)
2340 ALCcontext
*Context
;
2341 Context
= pthread_getspecific(LocalContext
);
2346 /* alcMakeContextCurrent
2348 * Makes the given Context the active Context
2350 ALC_API ALCboolean ALC_APIENTRY
alcMakeContextCurrent(ALCcontext
*context
)
2352 /* context must be a valid Context or NULL */
2353 if(context
&& !(context
=VerifyContext(context
)))
2355 alcSetError(NULL
, ALC_INVALID_CONTEXT
);
2358 /* context's reference count is already incremented */
2359 context
= ExchangePtr((XchgPtr
*)&GlobalContext
, context
);
2360 if(context
) ALCcontext_DecRef(context
);
2362 if((context
=pthread_getspecific(LocalContext
)) != NULL
)
2364 pthread_setspecific(LocalContext
, NULL
);
2365 ALCcontext_DecRef(context
);
2371 /* alcSetThreadContext
2373 * Makes the given Context the active Context for the current thread
2375 ALC_API ALCboolean ALC_APIENTRY
alcSetThreadContext(ALCcontext
*context
)
2379 /* context must be a valid Context or NULL */
2380 if(context
&& !(context
=VerifyContext(context
)))
2382 alcSetError(NULL
, ALC_INVALID_CONTEXT
);
2385 /* context's reference count is already incremented */
2386 old
= pthread_getspecific(LocalContext
);
2387 pthread_setspecific(LocalContext
, context
);
2388 if(old
) ALCcontext_DecRef(old
);
2394 /* alcGetContextsDevice
2396 * Returns the Device that a particular Context is attached to
2398 ALC_API ALCdevice
* ALC_APIENTRY
alcGetContextsDevice(ALCcontext
*Context
)
2402 if(!(Context
=VerifyContext(Context
)))
2404 alcSetError(NULL
, ALC_INVALID_CONTEXT
);
2407 Device
= Context
->Device
;
2408 ALCcontext_DecRef(Context
);
2416 * Open the Device specified.
2418 ALC_API ALCdevice
* ALC_APIENTRY
alcOpenDevice(const ALCchar
*deviceName
)
2426 if(!PlaybackBackend
.name
)
2428 alcSetError(NULL
, ALC_INVALID_VALUE
);
2432 if(deviceName
&& (!deviceName
[0] || strcasecmp(deviceName
, alcDefaultName
) == 0 || strcasecmp(deviceName
, "openal-soft") == 0))
2435 device
= calloc(1, sizeof(ALCdevice
)+sizeof(ALeffectslot
));
2438 alcSetError(NULL
, ALC_OUT_OF_MEMORY
);
2443 device
->Funcs
= &PlaybackBackend
.Funcs
;
2445 device
->Connected
= ALC_TRUE
;
2446 device
->Type
= Playback
;
2447 InitializeCriticalSection(&device
->Mutex
);
2448 device
->LastError
= ALC_NO_ERROR
;
2451 device
->Bs2b
= NULL
;
2452 device
->Bs2bLevel
= 0;
2453 device
->szDeviceName
= NULL
;
2455 device
->ContextList
= NULL
;
2457 device
->MaxNoOfSources
= 256;
2458 device
->AuxiliaryEffectSlotMax
= 4;
2459 device
->NumAuxSends
= MAX_SENDS
;
2461 InitUIntMap(&device
->BufferMap
, ~0);
2462 InitUIntMap(&device
->EffectMap
, ~0);
2463 InitUIntMap(&device
->FilterMap
, ~0);
2466 device
->FmtChans
= DevFmtStereo
;
2467 device
->FmtType
= DevFmtFloat
;
2468 device
->Frequency
= DEFAULT_OUTPUT_RATE
;
2469 device
->NumUpdates
= 4;
2470 device
->UpdateSize
= 1024;
2472 if(ConfigValueStr(NULL
, "channels", &fmt
))
2474 static const struct {
2475 const char name
[16];
2476 enum DevFmtChannels chans
;
2478 { "mono", DevFmtMono
},
2479 { "stereo", DevFmtStereo
},
2480 { "quad", DevFmtQuad
},
2481 { "surround51", DevFmtX51
},
2482 { "surround61", DevFmtX61
},
2483 { "surround71", DevFmtX71
},
2487 for(i
= 0;i
< COUNTOF(chanlist
);i
++)
2489 if(strcasecmp(chanlist
[i
].name
, fmt
) == 0)
2491 device
->FmtChans
= chanlist
[i
].chans
;
2492 device
->Flags
|= DEVICE_CHANNELS_REQUEST
;
2496 if(i
== COUNTOF(chanlist
))
2497 ERR("Unsupported channels: %s\n", fmt
);
2499 if(ConfigValueStr(NULL
, "sample-type", &fmt
))
2501 static const struct {
2502 const char name
[16];
2503 enum DevFmtType type
;
2505 { "int8", DevFmtByte
},
2506 { "uint8", DevFmtUByte
},
2507 { "int16", DevFmtShort
},
2508 { "uint16", DevFmtUShort
},
2509 { "int32", DevFmtInt
},
2510 { "uint32", DevFmtUInt
},
2511 { "float32", DevFmtFloat
},
2515 for(i
= 0;i
< COUNTOF(typelist
);i
++)
2517 if(strcasecmp(typelist
[i
].name
, fmt
) == 0)
2519 device
->FmtType
= typelist
[i
].type
;
2520 device
->Flags
|= DEVICE_SAMPLE_TYPE_REQUEST
;
2524 if(i
== COUNTOF(typelist
))
2525 ERR("Unsupported sample-type: %s\n", fmt
);
2527 #define DEVICE_FORMAT_REQUEST (DEVICE_CHANNELS_REQUEST|DEVICE_SAMPLE_TYPE_REQUEST)
2528 if((device
->Flags
&DEVICE_FORMAT_REQUEST
) != DEVICE_FORMAT_REQUEST
&&
2529 ConfigValueStr(NULL
, "format", &fmt
))
2531 static const struct {
2532 const char name
[32];
2533 enum DevFmtChannels channels
;
2534 enum DevFmtType type
;
2536 { "AL_FORMAT_MONO32", DevFmtMono
, DevFmtFloat
},
2537 { "AL_FORMAT_STEREO32", DevFmtStereo
, DevFmtFloat
},
2538 { "AL_FORMAT_QUAD32", DevFmtQuad
, DevFmtFloat
},
2539 { "AL_FORMAT_51CHN32", DevFmtX51
, DevFmtFloat
},
2540 { "AL_FORMAT_61CHN32", DevFmtX61
, DevFmtFloat
},
2541 { "AL_FORMAT_71CHN32", DevFmtX71
, DevFmtFloat
},
2543 { "AL_FORMAT_MONO16", DevFmtMono
, DevFmtShort
},
2544 { "AL_FORMAT_STEREO16", DevFmtStereo
, DevFmtShort
},
2545 { "AL_FORMAT_QUAD16", DevFmtQuad
, DevFmtShort
},
2546 { "AL_FORMAT_51CHN16", DevFmtX51
, DevFmtShort
},
2547 { "AL_FORMAT_61CHN16", DevFmtX61
, DevFmtShort
},
2548 { "AL_FORMAT_71CHN16", DevFmtX71
, DevFmtShort
},
2550 { "AL_FORMAT_MONO8", DevFmtMono
, DevFmtByte
},
2551 { "AL_FORMAT_STEREO8", DevFmtStereo
, DevFmtByte
},
2552 { "AL_FORMAT_QUAD8", DevFmtQuad
, DevFmtByte
},
2553 { "AL_FORMAT_51CHN8", DevFmtX51
, DevFmtByte
},
2554 { "AL_FORMAT_61CHN8", DevFmtX61
, DevFmtByte
},
2555 { "AL_FORMAT_71CHN8", DevFmtX71
, DevFmtByte
}
2559 ERR("Option 'format' is deprecated, please use 'channels' and 'sample-type'\n");
2560 for(i
= 0;i
< COUNTOF(formats
);i
++)
2562 if(strcasecmp(fmt
, formats
[i
].name
) == 0)
2564 if(!(device
->Flags
&DEVICE_CHANNELS_REQUEST
))
2565 device
->FmtChans
= formats
[i
].channels
;
2566 if(!(device
->Flags
&DEVICE_SAMPLE_TYPE_REQUEST
))
2567 device
->FmtType
= formats
[i
].type
;
2568 device
->Flags
|= DEVICE_FORMAT_REQUEST
;
2572 if(i
== COUNTOF(formats
))
2573 ERR("Unsupported format: %s\n", fmt
);
2575 #undef DEVICE_FORMAT_REQUEST
2577 if(ConfigValueUInt(NULL
, "frequency", &device
->Frequency
))
2579 device
->Flags
|= DEVICE_FREQUENCY_REQUEST
;
2580 if(device
->Frequency
< MIN_OUTPUT_RATE
)
2581 ERR("%uhz request clamped to %uhz minimum\n", device
->Frequency
, MIN_OUTPUT_RATE
);
2582 device
->Frequency
= maxu(device
->Frequency
, MIN_OUTPUT_RATE
);
2585 ConfigValueUInt(NULL
, "periods", &device
->NumUpdates
);
2586 if(device
->NumUpdates
< 2) device
->NumUpdates
= 4;
2588 ConfigValueUInt(NULL
, "period_size", &device
->UpdateSize
);
2589 if(device
->UpdateSize
== 0) device
->UpdateSize
= 1024;
2591 ConfigValueUInt(NULL
, "sources", &device
->MaxNoOfSources
);
2592 if(device
->MaxNoOfSources
== 0) device
->MaxNoOfSources
= 256;
2594 ConfigValueUInt(NULL
, "slots", &device
->AuxiliaryEffectSlotMax
);
2595 if(device
->AuxiliaryEffectSlotMax
== 0) device
->AuxiliaryEffectSlotMax
= 4;
2597 ConfigValueUInt(NULL
, "sends", &device
->NumAuxSends
);
2598 if(device
->NumAuxSends
> MAX_SENDS
) device
->NumAuxSends
= MAX_SENDS
;
2600 ConfigValueInt(NULL
, "cf_level", &device
->Bs2bLevel
);
2602 device
->NumStereoSources
= 1;
2603 device
->NumMonoSources
= device
->MaxNoOfSources
- device
->NumStereoSources
;
2605 if(ForcedEffect
.type
!= AL_EFFECT_NULL
)
2607 device
->DefaultSlot
= (ALeffectslot
*)(device
+1);
2608 if(InitEffectSlot(device
->DefaultSlot
) != AL_NO_ERROR
)
2609 device
->DefaultSlot
= NULL
;
2612 // Find a playback device to open
2614 if((err
=ALCdevice_OpenPlayback(device
, deviceName
)) != ALC_NO_ERROR
)
2617 DeleteCriticalSection(&device
->Mutex
);
2619 alcSetError(NULL
, err
);
2625 device
->next
= DeviceList
;
2626 } while(!CompExchangePtr((XchgPtr
*)&DeviceList
, device
->next
, device
));
2628 TRACE("Created device %p, \"%s\"\n", device
, device
->szDeviceName
);
2634 * Close the specified Device
2636 ALC_API ALCboolean ALC_APIENTRY
alcCloseDevice(ALCdevice
*pDevice
)
2638 ALCdevice
*volatile*list
;
2643 while(*list
&& *list
!= pDevice
)
2644 list
= &(*list
)->next
;
2646 if(!*list
|| (*list
)->Type
== Capture
)
2648 alcSetError(*list
, ALC_INVALID_DEVICE
);
2653 *list
= (*list
)->next
;
2656 while((ctx
=pDevice
->ContextList
) != NULL
)
2658 WARN("Releasing context %p\n", ctx
);
2659 ReleaseContext(ctx
, pDevice
);
2661 if((pDevice
->Flags
&DEVICE_RUNNING
))
2662 ALCdevice_StopPlayback(pDevice
);
2663 pDevice
->Flags
&= ~DEVICE_RUNNING
;
2665 ALCdevice_ClosePlayback(pDevice
);
2667 ALCdevice_DecRef(pDevice
);
2673 /* alcLoopbackOpenDeviceSOFT
2675 * Open a loopback device, for manual rendering.
2677 ALC_API ALCdevice
* ALC_APIENTRY
alcLoopbackOpenDeviceSOFT(const ALCchar
*deviceName
)
2683 /* Make sure the device name, if specified, is us. */
2684 if(deviceName
&& strcmp(deviceName
, alcDefaultName
) != 0)
2686 alcSetError(NULL
, ALC_INVALID_VALUE
);
2690 device
= calloc(1, sizeof(ALCdevice
));
2693 alcSetError(NULL
, ALC_OUT_OF_MEMORY
);
2698 device
->Funcs
= &BackendLoopback
.Funcs
;
2700 device
->Connected
= ALC_TRUE
;
2701 device
->Type
= Loopback
;
2702 InitializeCriticalSection(&device
->Mutex
);
2703 device
->LastError
= ALC_NO_ERROR
;
2706 device
->Bs2b
= NULL
;
2707 device
->Bs2bLevel
= 0;
2708 device
->szDeviceName
= NULL
;
2710 device
->ContextList
= NULL
;
2712 device
->MaxNoOfSources
= 256;
2713 device
->AuxiliaryEffectSlotMax
= 4;
2714 device
->NumAuxSends
= MAX_SENDS
;
2716 InitUIntMap(&device
->BufferMap
, ~0);
2717 InitUIntMap(&device
->EffectMap
, ~0);
2718 InitUIntMap(&device
->FilterMap
, ~0);
2721 device
->NumUpdates
= 0;
2722 device
->UpdateSize
= 0;
2724 device
->Frequency
= 44100;
2725 device
->FmtChans
= DevFmtStereo
;
2726 device
->FmtType
= DevFmtShort
;
2728 ConfigValueUInt(NULL
, "sources", &device
->MaxNoOfSources
);
2729 if(device
->MaxNoOfSources
== 0) device
->MaxNoOfSources
= 256;
2731 ConfigValueUInt(NULL
, "slots", &device
->AuxiliaryEffectSlotMax
);
2732 if(device
->AuxiliaryEffectSlotMax
== 0) device
->AuxiliaryEffectSlotMax
= 4;
2734 ConfigValueUInt(NULL
, "sends", &device
->NumAuxSends
);
2735 if(device
->NumAuxSends
> MAX_SENDS
) device
->NumAuxSends
= MAX_SENDS
;
2737 device
->NumStereoSources
= 1;
2738 device
->NumMonoSources
= device
->MaxNoOfSources
- device
->NumStereoSources
;
2740 // Open the "backend"
2741 ALCdevice_OpenPlayback(device
, "Loopback");
2743 device
->next
= DeviceList
;
2744 } while(!CompExchangePtr((XchgPtr
*)&DeviceList
, device
->next
, device
));
2746 TRACE("Created device %p\n", device
);
2750 /* alcIsRenderFormatSupportedSOFT
2752 * Determines if the loopback device supports the given format for rendering.
2754 ALC_API ALCboolean ALC_APIENTRY
alcIsRenderFormatSupportedSOFT(ALCdevice
*device
, ALCsizei freq
, ALCenum channels
, ALCenum type
)
2756 ALCboolean ret
= ALC_FALSE
;
2758 if(!(device
=VerifyDevice(device
)) || device
->Type
!= Loopback
)
2759 alcSetError(device
, ALC_INVALID_DEVICE
);
2761 alcSetError(device
, ALC_INVALID_VALUE
);
2762 else if(!IsValidALCType(type
) || !IsValidALCChannels(channels
))
2763 alcSetError(device
, ALC_INVALID_ENUM
);
2766 if(BytesFromDevFmt(type
) > 0 && ChannelsFromDevFmt(channels
) > 0 &&
2767 freq
>= MIN_OUTPUT_RATE
)
2770 if(device
) ALCdevice_DecRef(device
);
2775 /* alcRenderSamplesSOFT
2777 * Renders some samples into a buffer, using the format last set by the
2778 * attributes given to alcCreateContext.
2780 ALC_API
void ALC_APIENTRY
alcRenderSamplesSOFT(ALCdevice
*device
, ALCvoid
*buffer
, ALCsizei samples
)
2782 if(!(device
=VerifyDevice(device
)) || device
->Type
!= Loopback
)
2783 alcSetError(device
, ALC_INVALID_DEVICE
);
2784 else if(samples
< 0 || (samples
> 0 && buffer
== NULL
))
2785 alcSetError(device
, ALC_INVALID_VALUE
);
2787 aluMixData(device
, buffer
, samples
);
2788 if(device
) ALCdevice_DecRef(device
);
2792 static void ReleaseALC(void)
2796 free(alcAllDeviceList
); alcAllDeviceList
= NULL
;
2797 alcAllDeviceListSize
= 0;
2798 free(alcCaptureDeviceList
); alcCaptureDeviceList
= NULL
;
2799 alcCaptureDeviceListSize
= 0;
2801 free(alcDefaultAllDeviceSpecifier
);
2802 alcDefaultAllDeviceSpecifier
= NULL
;
2803 free(alcCaptureDefaultDeviceSpecifier
);
2804 alcCaptureDefaultDeviceSpecifier
= NULL
;
2806 if((dev
=ExchangePtr((XchgPtr
*)&DeviceList
, NULL
)) != NULL
)
2811 } while((dev
=dev
->next
) != NULL
);
2812 ERR("%u device%s not closed\n", num
, (num
>1)?"s":"");
2816 ///////////////////////////////////////////////////////