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 /************************************************
45 ************************************************/
46 #define EmptyFuncs { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }
47 static struct BackendInfo BackendList
[] = {
48 #ifdef HAVE_PULSEAUDIO
49 { "pulse", alc_pulse_init
, alc_pulse_deinit
, alc_pulse_probe
, EmptyFuncs
},
52 { "alsa", alc_alsa_init
, alc_alsa_deinit
, alc_alsa_probe
, EmptyFuncs
},
55 { "core", alc_ca_init
, alc_ca_deinit
, alc_ca_probe
, EmptyFuncs
},
58 { "oss", alc_oss_init
, alc_oss_deinit
, alc_oss_probe
, EmptyFuncs
},
61 { "solaris", alc_solaris_init
, alc_solaris_deinit
, alc_solaris_probe
, EmptyFuncs
},
64 { "sndio", alc_sndio_init
, alc_sndio_deinit
, alc_sndio_probe
, EmptyFuncs
},
67 { "mmdevapi", alcMMDevApiInit
, alcMMDevApiDeinit
, alcMMDevApiProbe
, EmptyFuncs
},
70 { "dsound", alcDSoundInit
, alcDSoundDeinit
, alcDSoundProbe
, EmptyFuncs
},
73 { "winmm", alcWinMMInit
, alcWinMMDeinit
, alcWinMMProbe
, EmptyFuncs
},
76 { "port", alc_pa_init
, alc_pa_deinit
, alc_pa_probe
, EmptyFuncs
},
79 { "opensl", alc_opensl_init
, alc_opensl_deinit
, alc_opensl_probe
, EmptyFuncs
},
82 { "null", alc_null_init
, alc_null_deinit
, alc_null_probe
, EmptyFuncs
},
84 { "wave", alc_wave_init
, alc_wave_deinit
, alc_wave_probe
, EmptyFuncs
},
87 { NULL
, NULL
, NULL
, NULL
, EmptyFuncs
}
89 static struct BackendInfo BackendLoopback
= {
90 "loopback", alc_loopback_init
, alc_loopback_deinit
, alc_loopback_probe
, EmptyFuncs
94 static struct BackendInfo PlaybackBackend
;
95 static struct BackendInfo CaptureBackend
;
97 /************************************************
98 * Functions, enums, and errors
99 ************************************************/
100 typedef struct ALCfunction
{
101 const ALCchar
*funcName
;
105 typedef struct ALCenums
{
106 const ALCchar
*enumName
;
110 #define DECL(x) { #x, (ALCvoid*)(x) }
111 static const ALCfunction alcFunctions
[] = {
112 DECL(alcCreateContext
),
113 DECL(alcMakeContextCurrent
),
114 DECL(alcProcessContext
),
115 DECL(alcSuspendContext
),
116 DECL(alcDestroyContext
),
117 DECL(alcGetCurrentContext
),
118 DECL(alcGetContextsDevice
),
120 DECL(alcCloseDevice
),
122 DECL(alcIsExtensionPresent
),
123 DECL(alcGetProcAddress
),
124 DECL(alcGetEnumValue
),
126 DECL(alcGetIntegerv
),
127 DECL(alcCaptureOpenDevice
),
128 DECL(alcCaptureCloseDevice
),
129 DECL(alcCaptureStart
),
130 DECL(alcCaptureStop
),
131 DECL(alcCaptureSamples
),
133 DECL(alcSetThreadContext
),
134 DECL(alcGetThreadContext
),
136 DECL(alcLoopbackOpenDeviceSOFT
),
137 DECL(alcIsRenderFormatSupportedSOFT
),
138 DECL(alcRenderSamplesSOFT
),
153 DECL(alIsExtensionPresent
),
154 DECL(alGetProcAddress
),
155 DECL(alGetEnumValue
),
162 DECL(alGetListenerf
),
163 DECL(alGetListener3f
),
164 DECL(alGetListenerfv
),
165 DECL(alGetListeneri
),
166 DECL(alGetListener3i
),
167 DECL(alGetListeneriv
),
169 DECL(alDeleteSources
),
185 DECL(alSourceRewindv
),
186 DECL(alSourcePausev
),
189 DECL(alSourceRewind
),
191 DECL(alSourceQueueBuffers
),
192 DECL(alSourceUnqueueBuffers
),
194 DECL(alDeleteBuffers
),
209 DECL(alDopplerFactor
),
210 DECL(alDopplerVelocity
),
211 DECL(alSpeedOfSound
),
212 DECL(alDistanceModel
),
215 DECL(alDeleteFilters
),
226 DECL(alDeleteEffects
),
236 DECL(alGenAuxiliaryEffectSlots
),
237 DECL(alDeleteAuxiliaryEffectSlots
),
238 DECL(alIsAuxiliaryEffectSlot
),
239 DECL(alAuxiliaryEffectSloti
),
240 DECL(alAuxiliaryEffectSlotiv
),
241 DECL(alAuxiliaryEffectSlotf
),
242 DECL(alAuxiliaryEffectSlotfv
),
243 DECL(alGetAuxiliaryEffectSloti
),
244 DECL(alGetAuxiliaryEffectSlotiv
),
245 DECL(alGetAuxiliaryEffectSlotf
),
246 DECL(alGetAuxiliaryEffectSlotfv
),
248 DECL(alBufferSubDataSOFT
),
250 DECL(alBufferSamplesSOFT
),
251 DECL(alBufferSubSamplesSOFT
),
252 DECL(alGetBufferSamplesSOFT
),
253 DECL(alIsBufferFormatSupportedSOFT
),
255 DECL(alDeferUpdatesSOFT
),
256 DECL(alProcessUpdatesSOFT
),
262 #define DECL(x) { #x, (x) }
263 static const ALCenums enumeration
[] = {
268 DECL(ALC_MAJOR_VERSION
),
269 DECL(ALC_MINOR_VERSION
),
270 DECL(ALC_ATTRIBUTES_SIZE
),
271 DECL(ALC_ALL_ATTRIBUTES
),
272 DECL(ALC_DEFAULT_DEVICE_SPECIFIER
),
273 DECL(ALC_DEVICE_SPECIFIER
),
274 DECL(ALC_ALL_DEVICES_SPECIFIER
),
275 DECL(ALC_DEFAULT_ALL_DEVICES_SPECIFIER
),
276 DECL(ALC_EXTENSIONS
),
280 DECL(ALC_MONO_SOURCES
),
281 DECL(ALC_STEREO_SOURCES
),
282 DECL(ALC_CAPTURE_DEVICE_SPECIFIER
),
283 DECL(ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER
),
284 DECL(ALC_CAPTURE_SAMPLES
),
287 DECL(ALC_EFX_MAJOR_VERSION
),
288 DECL(ALC_EFX_MINOR_VERSION
),
289 DECL(ALC_MAX_AUXILIARY_SENDS
),
291 DECL(ALC_FORMAT_CHANNELS_SOFT
),
292 DECL(ALC_FORMAT_TYPE_SOFT
),
295 DECL(ALC_STEREO_SOFT
),
297 DECL(ALC_5POINT1_SOFT
),
298 DECL(ALC_6POINT1_SOFT
),
299 DECL(ALC_7POINT1_SOFT
),
302 DECL(ALC_UNSIGNED_BYTE_SOFT
),
303 DECL(ALC_SHORT_SOFT
),
304 DECL(ALC_UNSIGNED_SHORT_SOFT
),
306 DECL(ALC_UNSIGNED_INT_SOFT
),
307 DECL(ALC_FLOAT_SOFT
),
310 DECL(ALC_INVALID_DEVICE
),
311 DECL(ALC_INVALID_CONTEXT
),
312 DECL(ALC_INVALID_ENUM
),
313 DECL(ALC_INVALID_VALUE
),
314 DECL(ALC_OUT_OF_MEMORY
),
322 DECL(AL_SOURCE_RELATIVE
),
323 DECL(AL_CONE_INNER_ANGLE
),
324 DECL(AL_CONE_OUTER_ANGLE
),
334 DECL(AL_ORIENTATION
),
335 DECL(AL_REFERENCE_DISTANCE
),
336 DECL(AL_ROLLOFF_FACTOR
),
337 DECL(AL_CONE_OUTER_GAIN
),
338 DECL(AL_MAX_DISTANCE
),
340 DECL(AL_SAMPLE_OFFSET
),
341 DECL(AL_SAMPLE_RW_OFFSETS_SOFT
),
342 DECL(AL_BYTE_OFFSET
),
343 DECL(AL_BYTE_RW_OFFSETS_SOFT
),
344 DECL(AL_SOURCE_TYPE
),
347 DECL(AL_UNDETERMINED
),
348 DECL(AL_METERS_PER_UNIT
),
349 DECL(AL_DIRECT_CHANNELS_SOFT
),
351 DECL(AL_DIRECT_FILTER
),
352 DECL(AL_AUXILIARY_SEND_FILTER
),
353 DECL(AL_AIR_ABSORPTION_FACTOR
),
354 DECL(AL_ROOM_ROLLOFF_FACTOR
),
355 DECL(AL_CONE_OUTER_GAINHF
),
356 DECL(AL_DIRECT_FILTER_GAINHF_AUTO
),
357 DECL(AL_AUXILIARY_SEND_FILTER_GAIN_AUTO
),
358 DECL(AL_AUXILIARY_SEND_FILTER_GAINHF_AUTO
),
360 DECL(AL_SOURCE_STATE
),
366 DECL(AL_BUFFERS_QUEUED
),
367 DECL(AL_BUFFERS_PROCESSED
),
369 DECL(AL_FORMAT_MONO8
),
370 DECL(AL_FORMAT_MONO16
),
371 DECL(AL_FORMAT_MONO_FLOAT32
),
372 DECL(AL_FORMAT_MONO_DOUBLE_EXT
),
373 DECL(AL_FORMAT_STEREO8
),
374 DECL(AL_FORMAT_STEREO16
),
375 DECL(AL_FORMAT_STEREO_FLOAT32
),
376 DECL(AL_FORMAT_STEREO_DOUBLE_EXT
),
377 DECL(AL_FORMAT_MONO_IMA4
),
378 DECL(AL_FORMAT_STEREO_IMA4
),
379 DECL(AL_FORMAT_QUAD8_LOKI
),
380 DECL(AL_FORMAT_QUAD16_LOKI
),
381 DECL(AL_FORMAT_QUAD8
),
382 DECL(AL_FORMAT_QUAD16
),
383 DECL(AL_FORMAT_QUAD32
),
384 DECL(AL_FORMAT_51CHN8
),
385 DECL(AL_FORMAT_51CHN16
),
386 DECL(AL_FORMAT_51CHN32
),
387 DECL(AL_FORMAT_61CHN8
),
388 DECL(AL_FORMAT_61CHN16
),
389 DECL(AL_FORMAT_61CHN32
),
390 DECL(AL_FORMAT_71CHN8
),
391 DECL(AL_FORMAT_71CHN16
),
392 DECL(AL_FORMAT_71CHN32
),
393 DECL(AL_FORMAT_REAR8
),
394 DECL(AL_FORMAT_REAR16
),
395 DECL(AL_FORMAT_REAR32
),
396 DECL(AL_FORMAT_MONO_MULAW
),
397 DECL(AL_FORMAT_MONO_MULAW_EXT
),
398 DECL(AL_FORMAT_STEREO_MULAW
),
399 DECL(AL_FORMAT_STEREO_MULAW_EXT
),
400 DECL(AL_FORMAT_QUAD_MULAW
),
401 DECL(AL_FORMAT_51CHN_MULAW
),
402 DECL(AL_FORMAT_61CHN_MULAW
),
403 DECL(AL_FORMAT_71CHN_MULAW
),
404 DECL(AL_FORMAT_REAR_MULAW
),
405 DECL(AL_FORMAT_MONO_ALAW_EXT
),
406 DECL(AL_FORMAT_STEREO_ALAW_EXT
),
409 DECL(AL_MONO16_SOFT
),
410 DECL(AL_MONO32F_SOFT
),
411 DECL(AL_STEREO8_SOFT
),
412 DECL(AL_STEREO16_SOFT
),
413 DECL(AL_STEREO32F_SOFT
),
415 DECL(AL_QUAD16_SOFT
),
416 DECL(AL_QUAD32F_SOFT
),
418 DECL(AL_REAR16_SOFT
),
419 DECL(AL_REAR32F_SOFT
),
420 DECL(AL_5POINT1_8_SOFT
),
421 DECL(AL_5POINT1_16_SOFT
),
422 DECL(AL_5POINT1_32F_SOFT
),
423 DECL(AL_6POINT1_8_SOFT
),
424 DECL(AL_6POINT1_16_SOFT
),
425 DECL(AL_6POINT1_32F_SOFT
),
426 DECL(AL_7POINT1_8_SOFT
),
427 DECL(AL_7POINT1_16_SOFT
),
428 DECL(AL_7POINT1_32F_SOFT
),
431 DECL(AL_STEREO_SOFT
),
434 DECL(AL_5POINT1_SOFT
),
435 DECL(AL_6POINT1_SOFT
),
436 DECL(AL_7POINT1_SOFT
),
439 DECL(AL_UNSIGNED_BYTE_SOFT
),
441 DECL(AL_UNSIGNED_SHORT_SOFT
),
443 DECL(AL_UNSIGNED_INT_SOFT
),
445 DECL(AL_DOUBLE_SOFT
),
447 DECL(AL_UNSIGNED_BYTE3_SOFT
),
453 DECL(AL_INTERNAL_FORMAT_SOFT
),
454 DECL(AL_BYTE_LENGTH_SOFT
),
455 DECL(AL_SAMPLE_LENGTH_SOFT
),
456 DECL(AL_SEC_LENGTH_SOFT
),
463 DECL(AL_INVALID_NAME
),
464 DECL(AL_INVALID_ENUM
),
465 DECL(AL_INVALID_VALUE
),
466 DECL(AL_INVALID_OPERATION
),
467 DECL(AL_OUT_OF_MEMORY
),
474 DECL(AL_DOPPLER_FACTOR
),
475 DECL(AL_DOPPLER_VELOCITY
),
476 DECL(AL_DISTANCE_MODEL
),
477 DECL(AL_SPEED_OF_SOUND
),
478 DECL(AL_SOURCE_DISTANCE_MODEL
),
479 DECL(AL_DEFERRED_UPDATES_SOFT
),
481 DECL(AL_INVERSE_DISTANCE
),
482 DECL(AL_INVERSE_DISTANCE_CLAMPED
),
483 DECL(AL_LINEAR_DISTANCE
),
484 DECL(AL_LINEAR_DISTANCE_CLAMPED
),
485 DECL(AL_EXPONENT_DISTANCE
),
486 DECL(AL_EXPONENT_DISTANCE_CLAMPED
),
488 DECL(AL_FILTER_TYPE
),
489 DECL(AL_FILTER_NULL
),
490 DECL(AL_FILTER_LOWPASS
),
492 DECL(AL_FILTER_HIGHPASS
),
493 DECL(AL_FILTER_BANDPASS
),
496 DECL(AL_LOWPASS_GAIN
),
497 DECL(AL_LOWPASS_GAINHF
),
499 DECL(AL_EFFECT_TYPE
),
500 DECL(AL_EFFECT_NULL
),
501 DECL(AL_EFFECT_REVERB
),
502 DECL(AL_EFFECT_EAXREVERB
),
504 DECL(AL_EFFECT_CHORUS
),
505 DECL(AL_EFFECT_DISTORTION
),
507 DECL(AL_EFFECT_ECHO
),
509 DECL(AL_EFFECT_FLANGER
),
510 DECL(AL_EFFECT_FREQUENCY_SHIFTER
),
511 DECL(AL_EFFECT_VOCAL_MORPHER
),
512 DECL(AL_EFFECT_PITCH_SHIFTER
),
514 DECL(AL_EFFECT_RING_MODULATOR
),
516 DECL(AL_EFFECT_AUTOWAH
),
517 DECL(AL_EFFECT_COMPRESSOR
),
518 DECL(AL_EFFECT_EQUALIZER
),
520 DECL(AL_EFFECT_DEDICATED_LOW_FREQUENCY_EFFECT
),
521 DECL(AL_EFFECT_DEDICATED_DIALOGUE
),
523 DECL(AL_EAXREVERB_DENSITY
),
524 DECL(AL_EAXREVERB_DIFFUSION
),
525 DECL(AL_EAXREVERB_GAIN
),
526 DECL(AL_EAXREVERB_GAINHF
),
527 DECL(AL_EAXREVERB_GAINLF
),
528 DECL(AL_EAXREVERB_DECAY_TIME
),
529 DECL(AL_EAXREVERB_DECAY_HFRATIO
),
530 DECL(AL_EAXREVERB_DECAY_LFRATIO
),
531 DECL(AL_EAXREVERB_REFLECTIONS_GAIN
),
532 DECL(AL_EAXREVERB_REFLECTIONS_DELAY
),
533 DECL(AL_EAXREVERB_REFLECTIONS_PAN
),
534 DECL(AL_EAXREVERB_LATE_REVERB_GAIN
),
535 DECL(AL_EAXREVERB_LATE_REVERB_DELAY
),
536 DECL(AL_EAXREVERB_LATE_REVERB_PAN
),
537 DECL(AL_EAXREVERB_ECHO_TIME
),
538 DECL(AL_EAXREVERB_ECHO_DEPTH
),
539 DECL(AL_EAXREVERB_MODULATION_TIME
),
540 DECL(AL_EAXREVERB_MODULATION_DEPTH
),
541 DECL(AL_EAXREVERB_AIR_ABSORPTION_GAINHF
),
542 DECL(AL_EAXREVERB_HFREFERENCE
),
543 DECL(AL_EAXREVERB_LFREFERENCE
),
544 DECL(AL_EAXREVERB_ROOM_ROLLOFF_FACTOR
),
545 DECL(AL_EAXREVERB_DECAY_HFLIMIT
),
547 DECL(AL_REVERB_DENSITY
),
548 DECL(AL_REVERB_DIFFUSION
),
549 DECL(AL_REVERB_GAIN
),
550 DECL(AL_REVERB_GAINHF
),
551 DECL(AL_REVERB_DECAY_TIME
),
552 DECL(AL_REVERB_DECAY_HFRATIO
),
553 DECL(AL_REVERB_REFLECTIONS_GAIN
),
554 DECL(AL_REVERB_REFLECTIONS_DELAY
),
555 DECL(AL_REVERB_LATE_REVERB_GAIN
),
556 DECL(AL_REVERB_LATE_REVERB_DELAY
),
557 DECL(AL_REVERB_AIR_ABSORPTION_GAINHF
),
558 DECL(AL_REVERB_ROOM_ROLLOFF_FACTOR
),
559 DECL(AL_REVERB_DECAY_HFLIMIT
),
562 DECL(AL_ECHO_LRDELAY
),
563 DECL(AL_ECHO_DAMPING
),
564 DECL(AL_ECHO_FEEDBACK
),
565 DECL(AL_ECHO_SPREAD
),
567 DECL(AL_RING_MODULATOR_FREQUENCY
),
568 DECL(AL_RING_MODULATOR_HIGHPASS_CUTOFF
),
569 DECL(AL_RING_MODULATOR_WAVEFORM
),
571 DECL(AL_DEDICATED_GAIN
),
577 static const ALCchar alcNoError
[] = "No Error";
578 static const ALCchar alcErrInvalidDevice
[] = "Invalid Device";
579 static const ALCchar alcErrInvalidContext
[] = "Invalid Context";
580 static const ALCchar alcErrInvalidEnum
[] = "Invalid Enum";
581 static const ALCchar alcErrInvalidValue
[] = "Invalid Value";
582 static const ALCchar alcErrOutOfMemory
[] = "Out of Memory";
585 /************************************************
587 ************************************************/
589 /* Enumerated device names */
590 static const ALCchar alcDefaultName
[] = "OpenAL Soft\0";
591 static ALCchar
*alcAllDevicesList
;
592 static ALCchar
*alcCaptureDeviceList
;
593 /* Sizes only include the first ending null character, not the second */
594 static size_t alcAllDevicesListSize
;
595 static size_t alcCaptureDeviceListSize
;
597 /* Default is always the first in the list */
598 static ALCchar
*alcDefaultAllDevicesSpecifier
;
599 static ALCchar
*alcCaptureDefaultDeviceSpecifier
;
601 /* Default context extensions */
602 static const ALchar alExtList
[] =
603 "AL_EXT_ALAW AL_EXT_DOUBLE AL_EXT_EXPONENT_DISTANCE AL_EXT_FLOAT32 "
604 "AL_EXT_IMA4 AL_EXT_LINEAR_DISTANCE AL_EXT_MCFORMATS AL_EXT_MULAW "
605 "AL_EXT_MULAW_MCFORMATS AL_EXT_OFFSET AL_EXT_source_distance_model "
606 "AL_LOKI_quadriphonic AL_SOFT_buffer_samples AL_SOFT_buffer_sub_data "
607 "AL_SOFTX_deferred_updates AL_SOFT_direct_channels AL_SOFT_loop_points";
609 static volatile ALCenum LastNullDeviceError
= ALC_NO_ERROR
;
611 /* Thread-local current context */
612 static pthread_key_t LocalContext
;
613 /* Process-wide current context */
614 static ALCcontext
*volatile GlobalContext
= NULL
;
616 /* Mixing thread piority level */
621 enum LogLevel LogLevel
= LogWarning
;
623 enum LogLevel LogLevel
= LogError
;
626 /* Flag to trap ALC device errors */
627 static ALCboolean TrapALCError
= ALC_FALSE
;
629 /* One-time configuration init control */
630 static pthread_once_t alc_config_once
= PTHREAD_ONCE_INIT
;
632 /* Default effect that applies to sources that don't have an effect on send 0 */
633 static ALeffect DefaultEffect
;
636 /************************************************
638 ************************************************/
639 static const ALCchar alcNoDeviceExtList
[] =
640 "ALC_ENUMERATE_ALL_EXT ALC_ENUMERATION_EXT ALC_EXT_CAPTURE "
641 "ALC_EXT_thread_local_context ALC_SOFT_loopback";
642 static const ALCchar alcExtensionList
[] =
643 "ALC_ENUMERATE_ALL_EXT ALC_ENUMERATION_EXT ALC_EXT_CAPTURE "
644 "ALC_EXT_DEDICATED ALC_EXT_disconnect ALC_EXT_EFX "
645 "ALC_EXT_thread_local_context ALC_SOFT_loopback";
646 static const ALCint alcMajorVersion
= 1;
647 static const ALCint alcMinorVersion
= 1;
649 static const ALCint alcEFXMajorVersion
= 1;
650 static const ALCint alcEFXMinorVersion
= 0;
653 /************************************************
655 ************************************************/
656 static ALCdevice
*volatile DeviceList
= NULL
;
658 static CRITICAL_SECTION ListLock
;
660 static void LockLists(void)
662 EnterCriticalSection(&ListLock
);
664 static void UnlockLists(void)
666 LeaveCriticalSection(&ListLock
);
669 /************************************************
670 * Library initialization
671 ************************************************/
673 static void alc_init(void);
674 static void alc_deinit(void);
675 static void alc_deinit_safe(void);
677 UIntMap TlsDestructor
;
679 #ifndef AL_LIBTYPE_STATIC
680 BOOL APIENTRY
DllMain(HINSTANCE hModule
,DWORD ul_reason_for_call
,LPVOID lpReserved
)
684 // Perform actions based on the reason for calling.
685 switch(ul_reason_for_call
)
687 case DLL_PROCESS_ATTACH
:
688 /* Pin the DLL so we won't get unloaded until the process terminates */
689 GetModuleHandleExW(GET_MODULE_HANDLE_EX_FLAG_PIN
| GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS
,
690 (WCHAR
*)hModule
, &hModule
);
691 InitUIntMap(&TlsDestructor
, ~0);
695 case DLL_THREAD_DETACH
:
696 LockUIntMapRead(&TlsDestructor
);
697 for(i
= 0;i
< TlsDestructor
.size
;i
++)
699 void *ptr
= pthread_getspecific(TlsDestructor
.array
[i
].key
);
700 void (*callback
)(void*) = (void(*)(void*))TlsDestructor
.array
[i
].value
;
704 UnlockUIntMapRead(&TlsDestructor
);
707 case DLL_PROCESS_DETACH
:
712 ResetUIntMap(&TlsDestructor
);
717 #elif defined(_MSC_VER)
718 #pragma section(".CRT$XCU",read)
719 static void alc_constructor(void);
720 static void alc_destructor(void);
721 __declspec(allocate(".CRT$XCU")) void (__cdecl
* alc_constructor_
)(void) = alc_constructor
;
723 static void alc_constructor(void)
725 atexit(alc_destructor
);
729 static void alc_destructor(void)
733 #elif defined(HAVE_GCC_DESTRUCTOR)
734 static void alc_init(void) __attribute__((constructor
));
735 static void alc_deinit(void) __attribute__((destructor
));
737 #error "No static initialization available on this platform!"
740 #elif defined(HAVE_GCC_DESTRUCTOR)
742 static void alc_init(void) __attribute__((constructor
));
743 static void alc_deinit(void) __attribute__((destructor
));
746 #error "No global initialization available on this platform!"
749 static void ReleaseThreadCtx(void *ptr
);
750 static void alc_init(void)
756 str
= getenv("__ALSOFT_HALF_ANGLE_CONES");
757 if(str
&& (strcasecmp(str
, "true") == 0 || strtol(str
, NULL
, 0) == 1))
760 str
= getenv("__ALSOFT_REVERSE_Z");
761 if(str
&& (strcasecmp(str
, "true") == 0 || strtol(str
, NULL
, 0) == 1))
764 pthread_key_create(&LocalContext
, ReleaseThreadCtx
);
765 InitializeCriticalSection(&ListLock
);
769 static void alc_initconfig(void)
771 const char *devs
, *str
;
775 str
= getenv("ALSOFT_LOGLEVEL");
778 long lvl
= strtol(str
, NULL
, 0);
779 if(lvl
>= NoLog
&& lvl
<= LogRef
)
783 str
= getenv("ALSOFT_LOGFILE");
786 FILE *logfile
= fopen(str
, "wat");
787 if(logfile
) LogFile
= logfile
;
788 else ERR("Failed to open log file '%s'\n", str
);
800 ConfigValueInt(NULL
, "rt-prio", &RTPrioLevel
);
802 if(ConfigValueStr(NULL
, "resampler", &str
))
804 if(strcasecmp(str
, "point") == 0 || strcasecmp(str
, "none") == 0)
805 DefaultResampler
= PointResampler
;
806 else if(strcasecmp(str
, "linear") == 0)
807 DefaultResampler
= LinearResampler
;
808 else if(strcasecmp(str
, "cubic") == 0)
809 DefaultResampler
= CubicResampler
;
814 n
= strtol(str
, &end
, 0);
815 if(*end
== '\0' && (n
== PointResampler
|| n
== LinearResampler
|| n
== CubicResampler
))
816 DefaultResampler
= n
;
818 WARN("Invalid resampler: %s\n", str
);
822 str
= getenv("ALSOFT_TRAP_ERROR");
823 if(str
&& (strcasecmp(str
, "true") == 0 || strtol(str
, NULL
, 0) == 1))
825 TrapALError
= AL_TRUE
;
826 TrapALCError
= AL_TRUE
;
830 str
= getenv("ALSOFT_TRAP_AL_ERROR");
831 if(str
&& (strcasecmp(str
, "true") == 0 || strtol(str
, NULL
, 0) == 1))
832 TrapALError
= AL_TRUE
;
833 TrapALError
= GetConfigValueBool(NULL
, "trap-al-error", TrapALError
);
835 str
= getenv("ALSOFT_TRAP_ALC_ERROR");
836 if(str
&& (strcasecmp(str
, "true") == 0 || strtol(str
, NULL
, 0) == 1))
837 TrapALCError
= ALC_TRUE
;
838 TrapALCError
= GetConfigValueBool(NULL
, "trap-alc-error", TrapALCError
);
841 if(ConfigValueFloat("reverb", "boost", &valf
))
842 ReverbBoost
*= aluPow(10.0f
, valf
/ 20.0f
);
844 EmulateEAXReverb
= GetConfigValueBool("reverb", "emulate-eax", AL_FALSE
);
846 if(((devs
=getenv("ALSOFT_DRIVERS")) && devs
[0]) ||
847 ConfigValueStr(NULL
, "drivers", &devs
))
851 const char *next
= devs
;
852 int endlist
, delitem
;
857 next
= strchr(devs
, ',');
859 delitem
= (devs
[0] == '-');
860 if(devs
[0] == '-') devs
++;
862 if(!devs
[0] || devs
[0] == ',')
869 len
= (next
? ((size_t)(next
-devs
)) : strlen(devs
));
870 for(n
= i
;BackendList
[n
].Init
;n
++)
872 if(len
== strlen(BackendList
[n
].name
) &&
873 strncmp(BackendList
[n
].name
, devs
, len
) == 0)
878 BackendList
[n
] = BackendList
[n
+1];
880 } while(BackendList
[n
].Init
);
884 struct BackendInfo Bkp
= BackendList
[n
];
887 BackendList
[n
] = BackendList
[n
-1];
890 BackendList
[n
] = Bkp
;
901 BackendList
[i
].name
= NULL
;
902 BackendList
[i
].Init
= NULL
;
903 BackendList
[i
].Deinit
= NULL
;
904 BackendList
[i
].Probe
= NULL
;
908 for(i
= 0;BackendList
[i
].Init
&& (!PlaybackBackend
.name
|| !CaptureBackend
.name
);i
++)
910 if(!BackendList
[i
].Init(&BackendList
[i
].Funcs
))
912 WARN("Failed to initialize backend \"%s\"\n", BackendList
[i
].name
);
916 TRACE("Initialized backend \"%s\"\n", BackendList
[i
].name
);
917 if(BackendList
[i
].Funcs
.OpenPlayback
&& !PlaybackBackend
.name
)
919 PlaybackBackend
= BackendList
[i
];
920 TRACE("Added \"%s\" for playback\n", PlaybackBackend
.name
);
922 if(BackendList
[i
].Funcs
.OpenCapture
&& !CaptureBackend
.name
)
924 CaptureBackend
= BackendList
[i
];
925 TRACE("Added \"%s\" for capture\n", CaptureBackend
.name
);
928 BackendLoopback
.Init(&BackendLoopback
.Funcs
);
930 if(ConfigValueStr(NULL
, "excludefx", &str
))
933 const char *next
= str
;
937 next
= strchr(str
, ',');
939 if(!str
[0] || next
== str
)
942 len
= (next
? ((size_t)(next
-str
)) : strlen(str
));
943 for(n
= 0;EffectList
[n
].name
;n
++)
945 if(len
== strlen(EffectList
[n
].name
) &&
946 strncmp(EffectList
[n
].name
, str
, len
) == 0)
947 DisabledEffects
[EffectList
[n
].type
] = AL_TRUE
;
952 InitEffect(&DefaultEffect
);
953 str
= getenv("ALSOFT_DEFAULT_REVERB");
954 if((str
&& str
[0]) || ConfigValueStr(NULL
, "default-reverb", &str
))
955 LoadReverbPreset(str
, &DefaultEffect
);
957 #define DO_INITCONFIG() pthread_once(&alc_config_once, alc_initconfig)
960 /************************************************
961 * Library deinitialization
962 ************************************************/
963 static void alc_cleanup(void)
967 free(alcAllDevicesList
); alcAllDevicesList
= NULL
;
968 alcAllDevicesListSize
= 0;
969 free(alcCaptureDeviceList
); alcCaptureDeviceList
= NULL
;
970 alcCaptureDeviceListSize
= 0;
972 free(alcDefaultAllDevicesSpecifier
);
973 alcDefaultAllDevicesSpecifier
= NULL
;
974 free(alcCaptureDefaultDeviceSpecifier
);
975 alcCaptureDefaultDeviceSpecifier
= NULL
;
977 if((dev
=ExchangePtr((XchgPtr
*)&DeviceList
, NULL
)) != NULL
)
982 } while((dev
=dev
->next
) != NULL
);
983 ERR("%u device%s not closed\n", num
, (num
>1)?"s":"");
987 static void alc_deinit_safe(void)
995 DeleteCriticalSection(&ListLock
);
996 pthread_key_delete(LocalContext
);
998 if(LogFile
!= stderr
)
1003 static void alc_deinit(void)
1009 memset(&PlaybackBackend
, 0, sizeof(PlaybackBackend
));
1010 memset(&CaptureBackend
, 0, sizeof(CaptureBackend
));
1012 for(i
= 0;BackendList
[i
].Deinit
;i
++)
1013 BackendList
[i
].Deinit();
1014 BackendLoopback
.Deinit();
1020 /************************************************
1021 * Device enumeration
1022 ************************************************/
1023 static void ProbeList(ALCchar
**list
, size_t *listsize
, enum DevProbe type
)
1032 if(type
== ALL_DEVICE_PROBE
&& PlaybackBackend
.Probe
)
1033 PlaybackBackend
.Probe(type
);
1034 else if(type
== CAPTURE_DEVICE_PROBE
&& CaptureBackend
.Probe
)
1035 CaptureBackend
.Probe(type
);
1039 static void ProbeAllDevicesList(void)
1040 { ProbeList(&alcAllDevicesList
, &alcAllDevicesListSize
, ALL_DEVICE_PROBE
); }
1041 static void ProbeCaptureDeviceList(void)
1042 { ProbeList(&alcCaptureDeviceList
, &alcCaptureDeviceListSize
, CAPTURE_DEVICE_PROBE
); }
1045 static void AppendList(const ALCchar
*name
, ALCchar
**List
, size_t *ListSize
)
1047 size_t len
= strlen(name
);
1053 temp
= realloc(*List
, (*ListSize
) + len
+ 2);
1056 ERR("Realloc failed to add %s!\n", name
);
1061 memcpy((*List
)+(*ListSize
), name
, len
+1);
1063 (*List
)[*ListSize
] = 0;
1066 #define DECL_APPEND_LIST_FUNC(type) \
1067 void Append##type##List(const ALCchar *name) \
1068 { AppendList(name, &alc##type##List, &alc##type##ListSize); }
1070 DECL_APPEND_LIST_FUNC(AllDevices
)
1071 DECL_APPEND_LIST_FUNC(CaptureDevice
)
1073 #undef DECL_APPEND_LIST_FUNC
1076 /************************************************
1077 * Device format information
1078 ************************************************/
1079 const ALCchar
*DevFmtTypeString(enum DevFmtType type
)
1083 case DevFmtByte
: return "Signed Byte";
1084 case DevFmtUByte
: return "Unsigned Byte";
1085 case DevFmtShort
: return "Signed Short";
1086 case DevFmtUShort
: return "Unsigned Short";
1087 case DevFmtInt
: return "Signed Int";
1088 case DevFmtUInt
: return "Unsigned Int";
1089 case DevFmtFloat
: return "Float";
1091 return "(unknown type)";
1093 const ALCchar
*DevFmtChannelsString(enum DevFmtChannels chans
)
1097 case DevFmtMono
: return "Mono";
1098 case DevFmtStereo
: return "Stereo";
1099 case DevFmtQuad
: return "Quadraphonic";
1100 case DevFmtX51
: return "5.1 Surround";
1101 case DevFmtX51Side
: return "5.1 Side";
1102 case DevFmtX61
: return "6.1 Surround";
1103 case DevFmtX71
: return "7.1 Surround";
1105 return "(unknown channels)";
1108 ALuint
BytesFromDevFmt(enum DevFmtType type
)
1112 case DevFmtByte
: return sizeof(ALbyte
);
1113 case DevFmtUByte
: return sizeof(ALubyte
);
1114 case DevFmtShort
: return sizeof(ALshort
);
1115 case DevFmtUShort
: return sizeof(ALushort
);
1116 case DevFmtInt
: return sizeof(ALint
);
1117 case DevFmtUInt
: return sizeof(ALuint
);
1118 case DevFmtFloat
: return sizeof(ALfloat
);
1122 ALuint
ChannelsFromDevFmt(enum DevFmtChannels chans
)
1126 case DevFmtMono
: return 1;
1127 case DevFmtStereo
: return 2;
1128 case DevFmtQuad
: return 4;
1129 case DevFmtX51
: return 6;
1130 case DevFmtX51Side
: return 6;
1131 case DevFmtX61
: return 7;
1132 case DevFmtX71
: return 8;
1137 static ALboolean
DecomposeDevFormat(ALenum format
, enum DevFmtChannels
*chans
,
1138 enum DevFmtType
*type
)
1140 static const struct {
1142 enum DevFmtChannels channels
;
1143 enum DevFmtType type
;
1145 { AL_FORMAT_MONO8
, DevFmtMono
, DevFmtUByte
},
1146 { AL_FORMAT_MONO16
, DevFmtMono
, DevFmtShort
},
1147 { AL_FORMAT_MONO_FLOAT32
, DevFmtMono
, DevFmtFloat
},
1149 { AL_FORMAT_STEREO8
, DevFmtStereo
, DevFmtUByte
},
1150 { AL_FORMAT_STEREO16
, DevFmtStereo
, DevFmtShort
},
1151 { AL_FORMAT_STEREO_FLOAT32
, DevFmtStereo
, DevFmtFloat
},
1153 { AL_FORMAT_QUAD8
, DevFmtQuad
, DevFmtUByte
},
1154 { AL_FORMAT_QUAD16
, DevFmtQuad
, DevFmtShort
},
1155 { AL_FORMAT_QUAD32
, DevFmtQuad
, DevFmtFloat
},
1157 { AL_FORMAT_51CHN8
, DevFmtX51
, DevFmtUByte
},
1158 { AL_FORMAT_51CHN16
, DevFmtX51
, DevFmtShort
},
1159 { AL_FORMAT_51CHN32
, DevFmtX51
, DevFmtFloat
},
1161 { AL_FORMAT_61CHN8
, DevFmtX61
, DevFmtUByte
},
1162 { AL_FORMAT_61CHN16
, DevFmtX61
, DevFmtShort
},
1163 { AL_FORMAT_61CHN32
, DevFmtX61
, DevFmtFloat
},
1165 { AL_FORMAT_71CHN8
, DevFmtX71
, DevFmtUByte
},
1166 { AL_FORMAT_71CHN16
, DevFmtX71
, DevFmtShort
},
1167 { AL_FORMAT_71CHN32
, DevFmtX71
, DevFmtFloat
},
1171 for(i
= 0;i
< COUNTOF(list
);i
++)
1173 if(list
[i
].format
== format
)
1175 *chans
= list
[i
].channels
;
1176 *type
= list
[i
].type
;
1184 static ALCboolean
IsValidALCType(ALCenum type
)
1189 case ALC_UNSIGNED_BYTE_SOFT
:
1190 case ALC_SHORT_SOFT
:
1191 case ALC_UNSIGNED_SHORT_SOFT
:
1193 case ALC_UNSIGNED_INT_SOFT
:
1194 case ALC_FLOAT_SOFT
:
1200 static ALCboolean
IsValidALCChannels(ALCenum channels
)
1205 case ALC_STEREO_SOFT
:
1207 case ALC_5POINT1_SOFT
:
1208 case ALC_6POINT1_SOFT
:
1209 case ALC_7POINT1_SOFT
:
1216 /************************************************
1217 * Miscellaneous ALC helpers
1218 ************************************************/
1220 /* SetDefaultWFXChannelOrder
1222 * Sets the default channel order used by WaveFormatEx.
1224 void SetDefaultWFXChannelOrder(ALCdevice
*device
)
1226 switch(device
->FmtChans
)
1228 case DevFmtMono
: device
->DevChannels
[0] = FRONT_CENTER
; break;
1230 case DevFmtStereo
: device
->DevChannels
[0] = FRONT_LEFT
;
1231 device
->DevChannels
[1] = FRONT_RIGHT
; break;
1233 case DevFmtQuad
: device
->DevChannels
[0] = FRONT_LEFT
;
1234 device
->DevChannels
[1] = FRONT_RIGHT
;
1235 device
->DevChannels
[2] = BACK_LEFT
;
1236 device
->DevChannels
[3] = BACK_RIGHT
; break;
1238 case DevFmtX51
: device
->DevChannels
[0] = FRONT_LEFT
;
1239 device
->DevChannels
[1] = FRONT_RIGHT
;
1240 device
->DevChannels
[2] = FRONT_CENTER
;
1241 device
->DevChannels
[3] = LFE
;
1242 device
->DevChannels
[4] = BACK_LEFT
;
1243 device
->DevChannels
[5] = BACK_RIGHT
; break;
1245 case DevFmtX51Side
: device
->DevChannels
[0] = FRONT_LEFT
;
1246 device
->DevChannels
[1] = FRONT_RIGHT
;
1247 device
->DevChannels
[2] = FRONT_CENTER
;
1248 device
->DevChannels
[3] = LFE
;
1249 device
->DevChannels
[4] = SIDE_LEFT
;
1250 device
->DevChannels
[5] = SIDE_RIGHT
; break;
1252 case DevFmtX61
: device
->DevChannels
[0] = FRONT_LEFT
;
1253 device
->DevChannels
[1] = FRONT_RIGHT
;
1254 device
->DevChannels
[2] = FRONT_CENTER
;
1255 device
->DevChannels
[3] = LFE
;
1256 device
->DevChannels
[4] = BACK_CENTER
;
1257 device
->DevChannels
[5] = SIDE_LEFT
;
1258 device
->DevChannels
[6] = SIDE_RIGHT
; break;
1260 case DevFmtX71
: device
->DevChannels
[0] = FRONT_LEFT
;
1261 device
->DevChannels
[1] = FRONT_RIGHT
;
1262 device
->DevChannels
[2] = FRONT_CENTER
;
1263 device
->DevChannels
[3] = LFE
;
1264 device
->DevChannels
[4] = BACK_LEFT
;
1265 device
->DevChannels
[5] = BACK_RIGHT
;
1266 device
->DevChannels
[6] = SIDE_LEFT
;
1267 device
->DevChannels
[7] = SIDE_RIGHT
; break;
1271 /* SetDefaultChannelOrder
1273 * Sets the default channel order used by most non-WaveFormatEx-based APIs.
1275 void SetDefaultChannelOrder(ALCdevice
*device
)
1277 switch(device
->FmtChans
)
1279 case DevFmtX51
: device
->DevChannels
[0] = FRONT_LEFT
;
1280 device
->DevChannels
[1] = FRONT_RIGHT
;
1281 device
->DevChannels
[2] = BACK_LEFT
;
1282 device
->DevChannels
[3] = BACK_RIGHT
;
1283 device
->DevChannels
[4] = FRONT_CENTER
;
1284 device
->DevChannels
[5] = LFE
;
1287 case DevFmtX71
: device
->DevChannels
[0] = FRONT_LEFT
;
1288 device
->DevChannels
[1] = FRONT_RIGHT
;
1289 device
->DevChannels
[2] = BACK_LEFT
;
1290 device
->DevChannels
[3] = BACK_RIGHT
;
1291 device
->DevChannels
[4] = FRONT_CENTER
;
1292 device
->DevChannels
[5] = LFE
;
1293 device
->DevChannels
[6] = SIDE_LEFT
;
1294 device
->DevChannels
[7] = SIDE_RIGHT
;
1297 /* Same as WFX order */
1305 SetDefaultWFXChannelOrder(device
);
1311 * Stores the latest ALC device error
1313 static void alcSetError(ALCdevice
*device
, ALCenum errorCode
)
1318 /* DebugBreak() will cause an exception if there is no debugger */
1319 if(IsDebuggerPresent())
1321 #elif defined(SIGTRAP)
1327 device
->LastError
= errorCode
;
1329 LastNullDeviceError
= errorCode
;
1333 /* UpdateDeviceParams
1335 * Updates device parameters according to the attribute list (caller is
1336 * responsible for holding the list lock).
1338 static ALCenum
UpdateDeviceParams(ALCdevice
*device
, const ALCint
*attrList
)
1340 ALCcontext
*context
;
1341 enum DevFmtChannels oldChans
;
1342 enum DevFmtType oldType
;
1347 // Check for attributes
1348 if(device
->Type
== Loopback
)
1354 GotAll
= GotFreq
|GotChans
|GotType
1356 ALCuint freq
, numMono
, numStereo
, numSends
;
1357 enum DevFmtChannels schans
;
1358 enum DevFmtType stype
;
1359 ALCuint attrIdx
= 0;
1364 WARN("Missing attributes for loopback device\n");
1365 return ALC_INVALID_VALUE
;
1368 numMono
= device
->NumMonoSources
;
1369 numStereo
= device
->NumStereoSources
;
1370 numSends
= device
->NumAuxSends
;
1371 schans
= device
->FmtChans
;
1372 stype
= device
->FmtType
;
1373 freq
= device
->Frequency
;
1375 while(attrList
[attrIdx
])
1377 if(attrList
[attrIdx
] == ALC_FORMAT_CHANNELS_SOFT
)
1379 ALCint val
= attrList
[attrIdx
+ 1];
1380 if(!IsValidALCChannels(val
) || !ChannelsFromDevFmt(val
))
1381 return ALC_INVALID_VALUE
;
1386 if(attrList
[attrIdx
] == ALC_FORMAT_TYPE_SOFT
)
1388 ALCint val
= attrList
[attrIdx
+ 1];
1389 if(!IsValidALCType(val
) || !BytesFromDevFmt(val
))
1390 return ALC_INVALID_VALUE
;
1395 if(attrList
[attrIdx
] == ALC_FREQUENCY
)
1397 freq
= attrList
[attrIdx
+ 1];
1398 if(freq
< MIN_OUTPUT_RATE
)
1399 return ALC_INVALID_VALUE
;
1403 if(attrList
[attrIdx
] == ALC_STEREO_SOURCES
)
1405 numStereo
= attrList
[attrIdx
+ 1];
1406 if(numStereo
> device
->MaxNoOfSources
)
1407 numStereo
= device
->MaxNoOfSources
;
1409 numMono
= device
->MaxNoOfSources
- numStereo
;
1412 if(attrList
[attrIdx
] == ALC_MAX_AUXILIARY_SENDS
)
1413 numSends
= attrList
[attrIdx
+ 1];
1418 if(gotFmt
!= GotAll
)
1420 WARN("Missing format for loopback device\n");
1421 return ALC_INVALID_VALUE
;
1424 ConfigValueUInt(NULL
, "sends", &numSends
);
1425 numSends
= minu(MAX_SENDS
, numSends
);
1427 if((device
->Flags
&DEVICE_RUNNING
))
1428 ALCdevice_StopPlayback(device
);
1429 device
->Flags
&= ~DEVICE_RUNNING
;
1431 device
->Frequency
= freq
;
1432 device
->FmtChans
= schans
;
1433 device
->FmtType
= stype
;
1434 device
->NumMonoSources
= numMono
;
1435 device
->NumStereoSources
= numStereo
;
1436 device
->NumAuxSends
= numSends
;
1438 else if(attrList
&& attrList
[0])
1440 ALCuint freq
, numMono
, numStereo
, numSends
;
1441 ALCuint attrIdx
= 0;
1443 /* If a context is already running on the device, stop playback so the
1444 * device attributes can be updated. */
1445 if((device
->Flags
&DEVICE_RUNNING
))
1446 ALCdevice_StopPlayback(device
);
1447 device
->Flags
&= ~DEVICE_RUNNING
;
1449 freq
= device
->Frequency
;
1450 numMono
= device
->NumMonoSources
;
1451 numStereo
= device
->NumStereoSources
;
1452 numSends
= device
->NumAuxSends
;
1454 while(attrList
[attrIdx
])
1456 if(attrList
[attrIdx
] == ALC_FREQUENCY
)
1458 freq
= attrList
[attrIdx
+ 1];
1459 device
->Flags
|= DEVICE_FREQUENCY_REQUEST
;
1462 if(attrList
[attrIdx
] == ALC_STEREO_SOURCES
)
1464 numStereo
= attrList
[attrIdx
+ 1];
1465 if(numStereo
> device
->MaxNoOfSources
)
1466 numStereo
= device
->MaxNoOfSources
;
1468 numMono
= device
->MaxNoOfSources
- numStereo
;
1471 if(attrList
[attrIdx
] == ALC_MAX_AUXILIARY_SENDS
)
1472 numSends
= attrList
[attrIdx
+ 1];
1477 ConfigValueUInt(NULL
, "frequency", &freq
);
1478 freq
= maxu(freq
, MIN_OUTPUT_RATE
);
1480 ConfigValueUInt(NULL
, "sends", &numSends
);
1481 numSends
= minu(MAX_SENDS
, numSends
);
1483 device
->UpdateSize
= (ALuint64
)device
->UpdateSize
* freq
/
1486 device
->Frequency
= freq
;
1487 device
->NumMonoSources
= numMono
;
1488 device
->NumStereoSources
= numStereo
;
1489 device
->NumAuxSends
= numSends
;
1492 if((device
->Flags
&DEVICE_RUNNING
))
1493 return ALC_NO_ERROR
;
1495 oldFreq
= device
->Frequency
;
1496 oldChans
= device
->FmtChans
;
1497 oldType
= device
->FmtType
;
1499 TRACE("Format pre-setup: %s%s, %s%s, %uhz%s, %u update size x%d\n",
1500 DevFmtChannelsString(device
->FmtChans
),
1501 (device
->Flags
&DEVICE_CHANNELS_REQUEST
)?" (requested)":"",
1502 DevFmtTypeString(device
->FmtType
),
1503 (device
->Flags
&DEVICE_SAMPLE_TYPE_REQUEST
)?" (requested)":"",
1505 (device
->Flags
&DEVICE_FREQUENCY_REQUEST
)?" (requested)":"",
1506 device
->UpdateSize
, device
->NumUpdates
);
1508 if(ALCdevice_ResetPlayback(device
) == ALC_FALSE
)
1509 return ALC_INVALID_DEVICE
;
1511 if(device
->FmtChans
!= oldChans
&& (device
->Flags
&DEVICE_CHANNELS_REQUEST
))
1513 ERR("Failed to set %s, got %s instead\n", DevFmtChannelsString(oldChans
),
1514 DevFmtChannelsString(device
->FmtChans
));
1515 device
->Flags
&= ~DEVICE_CHANNELS_REQUEST
;
1517 if(device
->FmtType
!= oldType
&& (device
->Flags
&DEVICE_SAMPLE_TYPE_REQUEST
))
1519 ERR("Failed to set %s, got %s instead\n", DevFmtTypeString(oldType
),
1520 DevFmtTypeString(device
->FmtType
));
1521 device
->Flags
&= ~DEVICE_SAMPLE_TYPE_REQUEST
;
1523 if(device
->Frequency
!= oldFreq
&& (device
->Flags
&DEVICE_FREQUENCY_REQUEST
))
1525 ERR("Failed to set %uhz, got %uhz instead\n", oldFreq
, device
->Frequency
);
1526 device
->Flags
&= ~DEVICE_FREQUENCY_REQUEST
;
1529 TRACE("Format post-setup: %s, %s, %uhz, %u update size x%d\n",
1530 DevFmtChannelsString(device
->FmtChans
),
1531 DevFmtTypeString(device
->FmtType
), device
->Frequency
,
1532 device
->UpdateSize
, device
->NumUpdates
);
1534 aluInitPanning(device
);
1536 for(i
= 0;i
< MAXCHANNELS
;i
++)
1538 device
->ClickRemoval
[i
] = 0.0f
;
1539 device
->PendingClicks
[i
] = 0.0f
;
1542 device
->Hrtf
= NULL
;
1543 if(device
->Type
!= Loopback
&& GetConfigValueBool(NULL
, "hrtf", AL_FALSE
))
1544 device
->Hrtf
= GetHrtf(device
);
1545 TRACE("HRTF %s\n", device
->Hrtf
?"enabled":"disabled");
1547 if(!device
->Hrtf
&& device
->Bs2bLevel
> 0 && device
->Bs2bLevel
<= 6)
1551 device
->Bs2b
= calloc(1, sizeof(*device
->Bs2b
));
1552 bs2b_clear(device
->Bs2b
);
1554 bs2b_set_srate(device
->Bs2b
, device
->Frequency
);
1555 bs2b_set_level(device
->Bs2b
, device
->Bs2bLevel
);
1556 TRACE("BS2B level %d\n", device
->Bs2bLevel
);
1561 device
->Bs2b
= NULL
;
1562 TRACE("BS2B disabled\n");
1565 oldMode
= SetMixerFPUMode();
1567 context
= device
->ContextList
;
1572 context
->UpdateSources
= AL_FALSE
;
1573 LockUIntMapRead(&context
->EffectSlotMap
);
1574 for(pos
= 0;pos
< context
->EffectSlotMap
.size
;pos
++)
1576 ALeffectslot
*slot
= context
->EffectSlotMap
.array
[pos
].value
;
1578 if(ALeffectState_DeviceUpdate(slot
->EffectState
, device
) == AL_FALSE
)
1580 UnlockUIntMapRead(&context
->EffectSlotMap
);
1581 UnlockDevice(device
);
1582 RestoreFPUMode(oldMode
);
1583 return ALC_INVALID_DEVICE
;
1585 slot
->NeedsUpdate
= AL_FALSE
;
1586 ALeffectState_Update(slot
->EffectState
, device
, slot
);
1588 UnlockUIntMapRead(&context
->EffectSlotMap
);
1590 LockUIntMapRead(&context
->SourceMap
);
1591 for(pos
= 0;pos
< context
->SourceMap
.size
;pos
++)
1593 ALsource
*source
= context
->SourceMap
.array
[pos
].value
;
1594 ALuint s
= device
->NumAuxSends
;
1595 while(s
< MAX_SENDS
)
1597 if(source
->Send
[s
].Slot
)
1598 DecrementRef(&source
->Send
[s
].Slot
->ref
);
1599 source
->Send
[s
].Slot
= NULL
;
1600 source
->Send
[s
].Gain
= 1.0f
;
1601 source
->Send
[s
].GainHF
= 1.0f
;
1604 source
->NeedsUpdate
= AL_FALSE
;
1605 ALsource_Update(source
, context
);
1607 UnlockUIntMapRead(&context
->SourceMap
);
1609 context
= context
->next
;
1611 if(device
->DefaultSlot
)
1613 ALeffectslot
*slot
= device
->DefaultSlot
;
1615 if(ALeffectState_DeviceUpdate(slot
->EffectState
, device
) == AL_FALSE
)
1617 UnlockDevice(device
);
1618 RestoreFPUMode(oldMode
);
1619 return ALC_INVALID_DEVICE
;
1621 slot
->NeedsUpdate
= AL_FALSE
;
1622 ALeffectState_Update(slot
->EffectState
, device
, slot
);
1624 UnlockDevice(device
);
1625 RestoreFPUMode(oldMode
);
1627 if(ALCdevice_StartPlayback(device
) == ALC_FALSE
)
1628 return ALC_INVALID_DEVICE
;
1629 device
->Flags
|= DEVICE_RUNNING
;
1631 return ALC_NO_ERROR
;
1636 * Frees the device structure, and destroys any objects the app failed to
1637 * delete. Called once there's no more references on the device.
1639 static ALCvoid
FreeDevice(ALCdevice
*device
)
1641 TRACE("%p\n", device
);
1643 if(device
->DefaultSlot
)
1645 ALeffectState_Destroy(device
->DefaultSlot
->EffectState
);
1646 device
->DefaultSlot
->EffectState
= NULL
;
1649 if(device
->BufferMap
.size
> 0)
1651 WARN("(%p) Deleting %d Buffer(s)\n", device
, device
->BufferMap
.size
);
1652 ReleaseALBuffers(device
);
1654 ResetUIntMap(&device
->BufferMap
);
1656 if(device
->EffectMap
.size
> 0)
1658 WARN("(%p) Deleting %d Effect(s)\n", device
, device
->EffectMap
.size
);
1659 ReleaseALEffects(device
);
1661 ResetUIntMap(&device
->EffectMap
);
1663 if(device
->FilterMap
.size
> 0)
1665 WARN("(%p) Deleting %d Filter(s)\n", device
, device
->FilterMap
.size
);
1666 ReleaseALFilters(device
);
1668 ResetUIntMap(&device
->FilterMap
);
1671 device
->Bs2b
= NULL
;
1673 free(device
->DeviceName
);
1674 device
->DeviceName
= NULL
;
1676 DeleteCriticalSection(&device
->Mutex
);
1682 void ALCdevice_IncRef(ALCdevice
*device
)
1685 ref
= IncrementRef(&device
->ref
);
1686 TRACEREF("%p increasing refcount to %u\n", device
, ref
);
1689 void ALCdevice_DecRef(ALCdevice
*device
)
1692 ref
= DecrementRef(&device
->ref
);
1693 TRACEREF("%p decreasing refcount to %u\n", device
, ref
);
1694 if(ref
== 0) FreeDevice(device
);
1699 * Checks if the device handle is valid, and increments its ref count if so.
1701 static ALCdevice
*VerifyDevice(ALCdevice
*device
)
1703 ALCdevice
*tmpDevice
;
1709 tmpDevice
= DeviceList
;
1710 while(tmpDevice
&& tmpDevice
!= device
)
1711 tmpDevice
= tmpDevice
->next
;
1714 ALCdevice_IncRef(tmpDevice
);
1722 * Initializes context fields
1724 static ALvoid
InitContext(ALCcontext
*Context
)
1728 //Initialise listener
1729 Context
->Listener
.Gain
= 1.0f
;
1730 Context
->Listener
.MetersPerUnit
= 1.0f
;
1731 Context
->Listener
.Position
[0] = 0.0f
;
1732 Context
->Listener
.Position
[1] = 0.0f
;
1733 Context
->Listener
.Position
[2] = 0.0f
;
1734 Context
->Listener
.Velocity
[0] = 0.0f
;
1735 Context
->Listener
.Velocity
[1] = 0.0f
;
1736 Context
->Listener
.Velocity
[2] = 0.0f
;
1737 Context
->Listener
.Forward
[0] = 0.0f
;
1738 Context
->Listener
.Forward
[1] = 0.0f
;
1739 Context
->Listener
.Forward
[2] = -1.0f
;
1740 Context
->Listener
.Up
[0] = 0.0f
;
1741 Context
->Listener
.Up
[1] = 1.0f
;
1742 Context
->Listener
.Up
[2] = 0.0f
;
1743 for(i
= 0;i
< 4;i
++)
1745 for(j
= 0;j
< 4;j
++)
1746 Context
->Listener
.Matrix
[i
][j
] = ((i
==j
) ? 1.0f
: 0.0f
);
1750 Context
->LastError
= AL_NO_ERROR
;
1751 Context
->UpdateSources
= AL_FALSE
;
1752 Context
->ActiveSourceCount
= 0;
1753 InitUIntMap(&Context
->SourceMap
, Context
->Device
->MaxNoOfSources
);
1754 InitUIntMap(&Context
->EffectSlotMap
, Context
->Device
->AuxiliaryEffectSlotMax
);
1757 Context
->DistanceModel
= AL_INVERSE_DISTANCE_CLAMPED
;
1758 Context
->SourceDistanceModel
= AL_FALSE
;
1759 Context
->DopplerFactor
= 1.0f
;
1760 Context
->DopplerVelocity
= 1.0f
;
1761 Context
->SpeedOfSound
= SPEEDOFSOUNDMETRESPERSEC
;
1762 Context
->DeferUpdates
= AL_FALSE
;
1764 Context
->ExtensionList
= alExtList
;
1770 * Cleans up the context, and destroys any remaining objects the app failed to
1771 * delete. Called once there's no more references on the context.
1773 static ALCvoid
FreeContext(ALCcontext
*context
)
1775 TRACE("%p\n", context
);
1777 if(context
->SourceMap
.size
> 0)
1779 ERR("(%p) Deleting %d Source(s)\n", context
, context
->SourceMap
.size
);
1780 ReleaseALSources(context
);
1782 ResetUIntMap(&context
->SourceMap
);
1784 if(context
->EffectSlotMap
.size
> 0)
1786 ERR("(%p) Deleting %d AuxiliaryEffectSlot(s)\n", context
, context
->EffectSlotMap
.size
);
1787 ReleaseALAuxiliaryEffectSlots(context
);
1789 ResetUIntMap(&context
->EffectSlotMap
);
1791 context
->ActiveSourceCount
= 0;
1792 free(context
->ActiveSources
);
1793 context
->ActiveSources
= NULL
;
1794 context
->MaxActiveSources
= 0;
1796 context
->ActiveEffectSlotCount
= 0;
1797 free(context
->ActiveEffectSlots
);
1798 context
->ActiveEffectSlots
= NULL
;
1799 context
->MaxActiveEffectSlots
= 0;
1801 ALCdevice_DecRef(context
->Device
);
1802 context
->Device
= NULL
;
1804 //Invalidate context
1805 memset(context
, 0, sizeof(ALCcontext
));
1811 * Removes the context reference from the given device and removes it from
1812 * being current on the running thread or globally.
1814 static void ReleaseContext(ALCcontext
*context
, ALCdevice
*device
)
1816 ALCcontext
*volatile*tmp_ctx
;
1818 if(pthread_getspecific(LocalContext
) == context
)
1820 WARN("%p released while current on thread\n", context
);
1821 pthread_setspecific(LocalContext
, NULL
);
1822 ALCcontext_DecRef(context
);
1825 if(CompExchangePtr((XchgPtr
*)&GlobalContext
, context
, NULL
))
1826 ALCcontext_DecRef(context
);
1829 tmp_ctx
= &device
->ContextList
;
1832 if(CompExchangePtr((XchgPtr
*)tmp_ctx
, context
, context
->next
))
1834 tmp_ctx
= &(*tmp_ctx
)->next
;
1836 UnlockDevice(device
);
1838 ALCcontext_DecRef(context
);
1841 void ALCcontext_IncRef(ALCcontext
*context
)
1844 ref
= IncrementRef(&context
->ref
);
1845 TRACEREF("%p increasing refcount to %u\n", context
, ref
);
1848 void ALCcontext_DecRef(ALCcontext
*context
)
1851 ref
= DecrementRef(&context
->ref
);
1852 TRACEREF("%p decreasing refcount to %u\n", context
, ref
);
1853 if(ref
== 0) FreeContext(context
);
1856 static void ReleaseThreadCtx(void *ptr
)
1858 WARN("%p current for thread being destroyed\n", ptr
);
1859 ALCcontext_DecRef(ptr
);
1864 * Checks that the given context is valid, and increments its reference count.
1866 static ALCcontext
*VerifyContext(ALCcontext
*context
)
1874 ALCcontext
*tmp_ctx
= dev
->ContextList
;
1877 if(tmp_ctx
== context
)
1879 ALCcontext_IncRef(tmp_ctx
);
1883 tmp_ctx
= tmp_ctx
->next
;
1895 * Returns the currently active context for this thread, and adds a reference
1896 * without locking it.
1898 ALCcontext
*GetContextRef(void)
1900 ALCcontext
*context
;
1902 context
= pthread_getspecific(LocalContext
);
1904 ALCcontext_IncRef(context
);
1908 context
= GlobalContext
;
1910 ALCcontext_IncRef(context
);
1918 /************************************************
1919 * Standard ALC functions
1920 ************************************************/
1924 * Return last ALC generated error code for the given device
1926 ALC_API ALCenum ALC_APIENTRY
alcGetError(ALCdevice
*device
)
1930 if(VerifyDevice(device
))
1932 errorCode
= ExchangeInt(&device
->LastError
, ALC_NO_ERROR
);
1933 ALCdevice_DecRef(device
);
1936 errorCode
= ExchangeInt(&LastNullDeviceError
, ALC_NO_ERROR
);
1942 /* alcSuspendContext
1946 ALC_API ALCvoid ALC_APIENTRY
alcSuspendContext(ALCcontext
*Context
)
1951 /* alcProcessContext
1955 ALC_API ALCvoid ALC_APIENTRY
alcProcessContext(ALCcontext
*Context
)
1963 * Returns information about the device, and error strings
1965 ALC_API
const ALCchar
* ALC_APIENTRY
alcGetString(ALCdevice
*Device
, ALCenum param
)
1967 const ALCchar
*value
= NULL
;
1975 case ALC_INVALID_ENUM
:
1976 value
= alcErrInvalidEnum
;
1979 case ALC_INVALID_VALUE
:
1980 value
= alcErrInvalidValue
;
1983 case ALC_INVALID_DEVICE
:
1984 value
= alcErrInvalidDevice
;
1987 case ALC_INVALID_CONTEXT
:
1988 value
= alcErrInvalidContext
;
1991 case ALC_OUT_OF_MEMORY
:
1992 value
= alcErrOutOfMemory
;
1995 case ALC_DEVICE_SPECIFIER
:
1996 value
= alcDefaultName
;
1999 case ALC_ALL_DEVICES_SPECIFIER
:
2000 if(VerifyDevice(Device
))
2002 value
= Device
->DeviceName
;
2003 ALCdevice_DecRef(Device
);
2007 ProbeAllDevicesList();
2008 value
= alcAllDevicesList
;
2012 case ALC_CAPTURE_DEVICE_SPECIFIER
:
2013 if(VerifyDevice(Device
))
2015 value
= Device
->DeviceName
;
2016 ALCdevice_DecRef(Device
);
2020 ProbeCaptureDeviceList();
2021 value
= alcCaptureDeviceList
;
2025 /* Default devices are always first in the list */
2026 case ALC_DEFAULT_DEVICE_SPECIFIER
:
2027 value
= alcDefaultName
;
2030 case ALC_DEFAULT_ALL_DEVICES_SPECIFIER
:
2031 if(!alcAllDevicesList
)
2032 ProbeAllDevicesList();
2034 Device
= VerifyDevice(Device
);
2036 free(alcDefaultAllDevicesSpecifier
);
2037 alcDefaultAllDevicesSpecifier
= strdup(alcAllDevicesList
?
2038 alcAllDevicesList
: "");
2039 if(!alcDefaultAllDevicesSpecifier
)
2040 alcSetError(Device
, ALC_OUT_OF_MEMORY
);
2042 value
= alcDefaultAllDevicesSpecifier
;
2043 if(Device
) ALCdevice_DecRef(Device
);
2046 case ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER
:
2047 if(!alcCaptureDeviceList
)
2048 ProbeCaptureDeviceList();
2050 Device
= VerifyDevice(Device
);
2052 free(alcCaptureDefaultDeviceSpecifier
);
2053 alcCaptureDefaultDeviceSpecifier
= strdup(alcCaptureDeviceList
?
2054 alcCaptureDeviceList
: "");
2055 if(!alcCaptureDefaultDeviceSpecifier
)
2056 alcSetError(Device
, ALC_OUT_OF_MEMORY
);
2058 value
= alcCaptureDefaultDeviceSpecifier
;
2059 if(Device
) ALCdevice_DecRef(Device
);
2062 case ALC_EXTENSIONS
:
2063 if(!VerifyDevice(Device
))
2064 value
= alcNoDeviceExtList
;
2067 value
= alcExtensionList
;
2068 ALCdevice_DecRef(Device
);
2073 Device
= VerifyDevice(Device
);
2074 alcSetError(Device
, ALC_INVALID_ENUM
);
2075 if(Device
) ALCdevice_DecRef(Device
);
2085 * Returns information about the device and the version of OpenAL
2087 ALC_API ALCvoid ALC_APIENTRY
alcGetIntegerv(ALCdevice
*device
,ALCenum param
,ALsizei size
,ALCint
*data
)
2089 device
= VerifyDevice(device
);
2091 if(size
== 0 || data
== NULL
)
2093 alcSetError(device
, ALC_INVALID_VALUE
);
2094 if(device
) ALCdevice_DecRef(device
);
2102 case ALC_MAJOR_VERSION
:
2103 *data
= alcMajorVersion
;
2105 case ALC_MINOR_VERSION
:
2106 *data
= alcMinorVersion
;
2109 case ALC_ATTRIBUTES_SIZE
:
2110 case ALC_ALL_ATTRIBUTES
:
2114 case ALC_MONO_SOURCES
:
2115 case ALC_STEREO_SOURCES
:
2116 case ALC_CAPTURE_SAMPLES
:
2117 case ALC_FORMAT_CHANNELS_SOFT
:
2118 case ALC_FORMAT_TYPE_SOFT
:
2119 alcSetError(NULL
, ALC_INVALID_DEVICE
);
2123 alcSetError(NULL
, ALC_INVALID_ENUM
);
2127 else if(device
->Type
== Capture
)
2131 case ALC_CAPTURE_SAMPLES
:
2133 /* Re-validate the device since it may have been closed */
2134 ALCdevice_DecRef(device
);
2135 if((device
=VerifyDevice(device
)) != NULL
)
2136 *data
= ALCdevice_AvailableSamples(device
);
2138 alcSetError(NULL
, ALC_INVALID_DEVICE
);
2143 *data
= device
->Connected
;
2147 alcSetError(device
, ALC_INVALID_ENUM
);
2151 else /* render device */
2155 case ALC_MAJOR_VERSION
:
2156 *data
= alcMajorVersion
;
2159 case ALC_MINOR_VERSION
:
2160 *data
= alcMinorVersion
;
2163 case ALC_EFX_MAJOR_VERSION
:
2164 *data
= alcEFXMajorVersion
;
2167 case ALC_EFX_MINOR_VERSION
:
2168 *data
= alcEFXMinorVersion
;
2171 case ALC_ATTRIBUTES_SIZE
:
2175 case ALC_ALL_ATTRIBUTES
:
2177 alcSetError(device
, ALC_INVALID_VALUE
);
2182 data
[i
++] = ALC_FREQUENCY
;
2183 data
[i
++] = device
->Frequency
;
2185 if(device
->Type
!= Loopback
)
2187 data
[i
++] = ALC_REFRESH
;
2188 data
[i
++] = device
->Frequency
/ device
->UpdateSize
;
2190 data
[i
++] = ALC_SYNC
;
2191 data
[i
++] = ALC_FALSE
;
2195 data
[i
++] = ALC_FORMAT_CHANNELS_SOFT
;
2196 data
[i
++] = device
->FmtChans
;
2198 data
[i
++] = ALC_FORMAT_TYPE_SOFT
;
2199 data
[i
++] = device
->FmtType
;
2202 data
[i
++] = ALC_MONO_SOURCES
;
2203 data
[i
++] = device
->NumMonoSources
;
2205 data
[i
++] = ALC_STEREO_SOURCES
;
2206 data
[i
++] = device
->NumStereoSources
;
2208 data
[i
++] = ALC_MAX_AUXILIARY_SENDS
;
2209 data
[i
++] = device
->NumAuxSends
;
2216 *data
= device
->Frequency
;
2220 if(device
->Type
== Loopback
)
2221 alcSetError(device
, ALC_INVALID_DEVICE
);
2223 *data
= device
->Frequency
/ device
->UpdateSize
;
2227 if(device
->Type
== Loopback
)
2228 alcSetError(device
, ALC_INVALID_DEVICE
);
2233 case ALC_FORMAT_CHANNELS_SOFT
:
2234 if(device
->Type
!= Loopback
)
2235 alcSetError(device
, ALC_INVALID_DEVICE
);
2237 *data
= device
->FmtChans
;
2240 case ALC_FORMAT_TYPE_SOFT
:
2241 if(device
->Type
!= Loopback
)
2242 alcSetError(device
, ALC_INVALID_DEVICE
);
2244 *data
= device
->FmtType
;
2247 case ALC_MONO_SOURCES
:
2248 *data
= device
->NumMonoSources
;
2251 case ALC_STEREO_SOURCES
:
2252 *data
= device
->NumStereoSources
;
2255 case ALC_MAX_AUXILIARY_SENDS
:
2256 *data
= device
->NumAuxSends
;
2260 *data
= device
->Connected
;
2264 alcSetError(device
, ALC_INVALID_ENUM
);
2269 ALCdevice_DecRef(device
);
2273 /* alcIsExtensionPresent
2275 * Determines if there is support for a particular extension
2277 ALC_API ALCboolean ALC_APIENTRY
alcIsExtensionPresent(ALCdevice
*device
, const ALCchar
*extName
)
2279 ALCboolean bResult
= ALC_FALSE
;
2281 device
= VerifyDevice(device
);
2284 alcSetError(device
, ALC_INVALID_VALUE
);
2287 size_t len
= strlen(extName
);
2288 const char *ptr
= (device
? alcExtensionList
: alcNoDeviceExtList
);
2291 if(strncasecmp(ptr
, extName
, len
) == 0 &&
2292 (ptr
[len
] == '\0' || isspace(ptr
[len
])))
2297 if((ptr
=strchr(ptr
, ' ')) != NULL
)
2301 } while(isspace(*ptr
));
2306 ALCdevice_DecRef(device
);
2311 /* alcGetProcAddress
2313 * Retrieves the function address for a particular extension function
2315 ALC_API ALCvoid
* ALC_APIENTRY
alcGetProcAddress(ALCdevice
*device
, const ALCchar
*funcName
)
2317 ALCvoid
*ptr
= NULL
;
2321 device
= VerifyDevice(device
);
2322 alcSetError(device
, ALC_INVALID_VALUE
);
2323 if(device
) ALCdevice_DecRef(device
);
2328 while(alcFunctions
[i
].funcName
&& strcmp(alcFunctions
[i
].funcName
, funcName
) != 0)
2330 ptr
= alcFunctions
[i
].address
;
2339 * Get the value for a particular ALC enumeration name
2341 ALC_API ALCenum ALC_APIENTRY
alcGetEnumValue(ALCdevice
*device
, const ALCchar
*enumName
)
2347 device
= VerifyDevice(device
);
2348 alcSetError(device
, ALC_INVALID_VALUE
);
2349 if(device
) ALCdevice_DecRef(device
);
2354 while(enumeration
[i
].enumName
&& strcmp(enumeration
[i
].enumName
, enumName
) != 0)
2356 val
= enumeration
[i
].value
;
2365 * Create and attach a context to the given device.
2367 ALC_API ALCcontext
* ALC_APIENTRY
alcCreateContext(ALCdevice
*device
, const ALCint
*attrList
)
2369 ALCcontext
*ALContext
;
2373 if(!(device
=VerifyDevice(device
)) || device
->Type
== Capture
|| !device
->Connected
)
2376 alcSetError(device
, ALC_INVALID_DEVICE
);
2377 if(device
) ALCdevice_DecRef(device
);
2381 device
->LastError
= ALC_NO_ERROR
;
2383 if((err
=UpdateDeviceParams(device
, attrList
)) != ALC_NO_ERROR
)
2386 alcSetError(device
, err
);
2387 if(err
== ALC_INVALID_DEVICE
)
2388 aluHandleDisconnect(device
);
2389 ALCdevice_DecRef(device
);
2393 ALContext
= calloc(1, sizeof(ALCcontext
));
2398 ALContext
->MaxActiveSources
= 256;
2399 ALContext
->ActiveSources
= malloc(sizeof(ALContext
->ActiveSources
[0]) *
2400 ALContext
->MaxActiveSources
);
2402 if(!ALContext
|| !ALContext
->ActiveSources
)
2404 if(!device
->ContextList
)
2406 ALCdevice_StopPlayback(device
);
2407 device
->Flags
&= ~DEVICE_RUNNING
;
2414 alcSetError(device
, ALC_OUT_OF_MEMORY
);
2415 ALCdevice_DecRef(device
);
2419 ALContext
->Device
= device
;
2420 ALCdevice_IncRef(device
);
2421 InitContext(ALContext
);
2424 ALContext
->next
= device
->ContextList
;
2425 } while(!CompExchangePtr((XchgPtr
*)&device
->ContextList
, ALContext
->next
, ALContext
));
2428 ALCdevice_DecRef(device
);
2430 TRACE("Created context %p\n", ALContext
);
2434 /* alcDestroyContext
2436 * Remove a context from its device
2438 ALC_API ALCvoid ALC_APIENTRY
alcDestroyContext(ALCcontext
*context
)
2443 /* alcGetContextsDevice sets an error for invalid contexts */
2444 Device
= alcGetContextsDevice(context
);
2447 ReleaseContext(context
, Device
);
2448 if(!Device
->ContextList
)
2450 ALCdevice_StopPlayback(Device
);
2451 Device
->Flags
&= ~DEVICE_RUNNING
;
2458 /* alcGetCurrentContext
2460 * Returns the currently active context on the calling thread
2462 ALC_API ALCcontext
* ALC_APIENTRY
alcGetCurrentContext(void)
2464 ALCcontext
*Context
;
2466 Context
= pthread_getspecific(LocalContext
);
2467 if(!Context
) Context
= GlobalContext
;
2472 /* alcGetThreadContext
2474 * Returns the currently active thread-local context
2476 ALC_API ALCcontext
* ALC_APIENTRY
alcGetThreadContext(void)
2478 ALCcontext
*Context
;
2479 Context
= pthread_getspecific(LocalContext
);
2484 /* alcMakeContextCurrent
2486 * Makes the given context the active process-wide context, and removes the
2487 * thread-local context for the calling thread.
2489 ALC_API ALCboolean ALC_APIENTRY
alcMakeContextCurrent(ALCcontext
*context
)
2491 /* context must be valid or NULL */
2492 if(context
&& !(context
=VerifyContext(context
)))
2494 alcSetError(NULL
, ALC_INVALID_CONTEXT
);
2497 /* context's reference count is already incremented */
2498 context
= ExchangePtr((XchgPtr
*)&GlobalContext
, context
);
2499 if(context
) ALCcontext_DecRef(context
);
2501 if((context
=pthread_getspecific(LocalContext
)) != NULL
)
2503 pthread_setspecific(LocalContext
, NULL
);
2504 ALCcontext_DecRef(context
);
2510 /* alcSetThreadContext
2512 * Makes the given context the active context for the current thread
2514 ALC_API ALCboolean ALC_APIENTRY
alcSetThreadContext(ALCcontext
*context
)
2518 /* context must be valid or NULL */
2519 if(context
&& !(context
=VerifyContext(context
)))
2521 alcSetError(NULL
, ALC_INVALID_CONTEXT
);
2524 /* context's reference count is already incremented */
2525 old
= pthread_getspecific(LocalContext
);
2526 pthread_setspecific(LocalContext
, context
);
2527 if(old
) ALCcontext_DecRef(old
);
2533 /* alcGetContextsDevice
2535 * Returns the device that a particular context is attached to
2537 ALC_API ALCdevice
* ALC_APIENTRY
alcGetContextsDevice(ALCcontext
*Context
)
2541 if(!(Context
=VerifyContext(Context
)))
2543 alcSetError(NULL
, ALC_INVALID_CONTEXT
);
2546 Device
= Context
->Device
;
2547 ALCcontext_DecRef(Context
);
2555 * Opens the named device.
2557 ALC_API ALCdevice
* ALC_APIENTRY
alcOpenDevice(const ALCchar
*deviceName
)
2565 if(!PlaybackBackend
.name
)
2567 alcSetError(NULL
, ALC_INVALID_VALUE
);
2571 if(deviceName
&& (!deviceName
[0] || strcasecmp(deviceName
, alcDefaultName
) == 0 || strcasecmp(deviceName
, "openal-soft") == 0))
2574 device
= calloc(1, sizeof(ALCdevice
)+sizeof(ALeffectslot
));
2577 alcSetError(NULL
, ALC_OUT_OF_MEMORY
);
2582 device
->Funcs
= &PlaybackBackend
.Funcs
;
2584 device
->Connected
= ALC_TRUE
;
2585 device
->Type
= Playback
;
2586 InitializeCriticalSection(&device
->Mutex
);
2587 device
->LastError
= ALC_NO_ERROR
;
2590 device
->Bs2b
= NULL
;
2591 device
->Bs2bLevel
= 0;
2592 device
->DeviceName
= NULL
;
2594 device
->ContextList
= NULL
;
2596 device
->MaxNoOfSources
= 256;
2597 device
->AuxiliaryEffectSlotMax
= 4;
2598 device
->NumAuxSends
= MAX_SENDS
;
2600 InitUIntMap(&device
->BufferMap
, ~0);
2601 InitUIntMap(&device
->EffectMap
, ~0);
2602 InitUIntMap(&device
->FilterMap
, ~0);
2605 device
->FmtChans
= DevFmtChannelsDefault
;
2606 device
->FmtType
= DevFmtTypeDefault
;
2607 device
->Frequency
= DEFAULT_OUTPUT_RATE
;
2608 device
->NumUpdates
= 4;
2609 device
->UpdateSize
= 1024;
2611 if(ConfigValueStr(NULL
, "channels", &fmt
))
2613 static const struct {
2614 const char name
[16];
2615 enum DevFmtChannels chans
;
2617 { "mono", DevFmtMono
},
2618 { "stereo", DevFmtStereo
},
2619 { "quad", DevFmtQuad
},
2620 { "surround51", DevFmtX51
},
2621 { "surround61", DevFmtX61
},
2622 { "surround71", DevFmtX71
},
2626 for(i
= 0;i
< COUNTOF(chanlist
);i
++)
2628 if(strcasecmp(chanlist
[i
].name
, fmt
) == 0)
2630 device
->FmtChans
= chanlist
[i
].chans
;
2631 device
->Flags
|= DEVICE_CHANNELS_REQUEST
;
2635 if(i
== COUNTOF(chanlist
))
2636 ERR("Unsupported channels: %s\n", fmt
);
2638 if(ConfigValueStr(NULL
, "sample-type", &fmt
))
2640 static const struct {
2641 const char name
[16];
2642 enum DevFmtType type
;
2644 { "int8", DevFmtByte
},
2645 { "uint8", DevFmtUByte
},
2646 { "int16", DevFmtShort
},
2647 { "uint16", DevFmtUShort
},
2648 { "int32", DevFmtInt
},
2649 { "uint32", DevFmtUInt
},
2650 { "float32", DevFmtFloat
},
2654 for(i
= 0;i
< COUNTOF(typelist
);i
++)
2656 if(strcasecmp(typelist
[i
].name
, fmt
) == 0)
2658 device
->FmtType
= typelist
[i
].type
;
2659 device
->Flags
|= DEVICE_SAMPLE_TYPE_REQUEST
;
2663 if(i
== COUNTOF(typelist
))
2664 ERR("Unsupported sample-type: %s\n", fmt
);
2666 #define DEVICE_FORMAT_REQUEST (DEVICE_CHANNELS_REQUEST|DEVICE_SAMPLE_TYPE_REQUEST)
2667 if((device
->Flags
&DEVICE_FORMAT_REQUEST
) != DEVICE_FORMAT_REQUEST
&&
2668 ConfigValueStr(NULL
, "format", &fmt
))
2670 static const struct {
2671 const char name
[32];
2672 enum DevFmtChannels channels
;
2673 enum DevFmtType type
;
2675 { "AL_FORMAT_MONO32", DevFmtMono
, DevFmtFloat
},
2676 { "AL_FORMAT_STEREO32", DevFmtStereo
, DevFmtFloat
},
2677 { "AL_FORMAT_QUAD32", DevFmtQuad
, DevFmtFloat
},
2678 { "AL_FORMAT_51CHN32", DevFmtX51
, DevFmtFloat
},
2679 { "AL_FORMAT_61CHN32", DevFmtX61
, DevFmtFloat
},
2680 { "AL_FORMAT_71CHN32", DevFmtX71
, DevFmtFloat
},
2682 { "AL_FORMAT_MONO16", DevFmtMono
, DevFmtShort
},
2683 { "AL_FORMAT_STEREO16", DevFmtStereo
, DevFmtShort
},
2684 { "AL_FORMAT_QUAD16", DevFmtQuad
, DevFmtShort
},
2685 { "AL_FORMAT_51CHN16", DevFmtX51
, DevFmtShort
},
2686 { "AL_FORMAT_61CHN16", DevFmtX61
, DevFmtShort
},
2687 { "AL_FORMAT_71CHN16", DevFmtX71
, DevFmtShort
},
2689 { "AL_FORMAT_MONO8", DevFmtMono
, DevFmtByte
},
2690 { "AL_FORMAT_STEREO8", DevFmtStereo
, DevFmtByte
},
2691 { "AL_FORMAT_QUAD8", DevFmtQuad
, DevFmtByte
},
2692 { "AL_FORMAT_51CHN8", DevFmtX51
, DevFmtByte
},
2693 { "AL_FORMAT_61CHN8", DevFmtX61
, DevFmtByte
},
2694 { "AL_FORMAT_71CHN8", DevFmtX71
, DevFmtByte
}
2698 ERR("Option 'format' is deprecated, please use 'channels' and 'sample-type'\n");
2699 for(i
= 0;i
< COUNTOF(formats
);i
++)
2701 if(strcasecmp(fmt
, formats
[i
].name
) == 0)
2703 if(!(device
->Flags
&DEVICE_CHANNELS_REQUEST
))
2704 device
->FmtChans
= formats
[i
].channels
;
2705 if(!(device
->Flags
&DEVICE_SAMPLE_TYPE_REQUEST
))
2706 device
->FmtType
= formats
[i
].type
;
2707 device
->Flags
|= DEVICE_FORMAT_REQUEST
;
2711 if(i
== COUNTOF(formats
))
2712 ERR("Unsupported format: %s\n", fmt
);
2714 #undef DEVICE_FORMAT_REQUEST
2716 if(ConfigValueUInt(NULL
, "frequency", &device
->Frequency
))
2718 device
->Flags
|= DEVICE_FREQUENCY_REQUEST
;
2719 if(device
->Frequency
< MIN_OUTPUT_RATE
)
2720 ERR("%uhz request clamped to %uhz minimum\n", device
->Frequency
, MIN_OUTPUT_RATE
);
2721 device
->Frequency
= maxu(device
->Frequency
, MIN_OUTPUT_RATE
);
2724 ConfigValueUInt(NULL
, "periods", &device
->NumUpdates
);
2725 device
->NumUpdates
= clampu(device
->NumUpdates
, 2, 16);
2727 ConfigValueUInt(NULL
, "period_size", &device
->UpdateSize
);
2728 device
->UpdateSize
= clampu(device
->UpdateSize
, 64, 8192);
2730 ConfigValueUInt(NULL
, "sources", &device
->MaxNoOfSources
);
2731 if(device
->MaxNoOfSources
== 0) device
->MaxNoOfSources
= 256;
2733 ConfigValueUInt(NULL
, "slots", &device
->AuxiliaryEffectSlotMax
);
2734 if(device
->AuxiliaryEffectSlotMax
== 0) device
->AuxiliaryEffectSlotMax
= 4;
2736 ConfigValueUInt(NULL
, "sends", &device
->NumAuxSends
);
2737 if(device
->NumAuxSends
> MAX_SENDS
) device
->NumAuxSends
= MAX_SENDS
;
2739 ConfigValueInt(NULL
, "cf_level", &device
->Bs2bLevel
);
2741 device
->NumStereoSources
= 1;
2742 device
->NumMonoSources
= device
->MaxNoOfSources
- device
->NumStereoSources
;
2744 // Find a playback device to open
2746 if((err
=ALCdevice_OpenPlayback(device
, deviceName
)) != ALC_NO_ERROR
)
2749 DeleteCriticalSection(&device
->Mutex
);
2751 alcSetError(NULL
, err
);
2756 if(DefaultEffect
.type
!= AL_EFFECT_NULL
)
2758 device
->DefaultSlot
= (ALeffectslot
*)(device
+1);
2759 if(InitEffectSlot(device
->DefaultSlot
) != AL_NO_ERROR
)
2761 device
->DefaultSlot
= NULL
;
2762 ERR("Failed to initialize the default effect slot\n");
2764 else if(InitializeEffect(device
, device
->DefaultSlot
, &DefaultEffect
) != AL_NO_ERROR
)
2766 ALeffectState_Destroy(device
->DefaultSlot
->EffectState
);
2767 device
->DefaultSlot
= NULL
;
2768 ERR("Failed to initialize the default effect\n");
2773 device
->next
= DeviceList
;
2774 } while(!CompExchangePtr((XchgPtr
*)&DeviceList
, device
->next
, device
));
2776 TRACE("Created device %p, \"%s\"\n", device
, device
->DeviceName
);
2782 * Closes the given device.
2784 ALC_API ALCboolean ALC_APIENTRY
alcCloseDevice(ALCdevice
*Device
)
2786 ALCdevice
*volatile*list
;
2791 while(*list
&& *list
!= Device
)
2792 list
= &(*list
)->next
;
2794 if(!*list
|| (*list
)->Type
== Capture
)
2796 alcSetError(*list
, ALC_INVALID_DEVICE
);
2801 *list
= (*list
)->next
;
2804 while((ctx
=Device
->ContextList
) != NULL
)
2806 WARN("Releasing context %p\n", ctx
);
2807 ReleaseContext(ctx
, Device
);
2809 if((Device
->Flags
&DEVICE_RUNNING
))
2810 ALCdevice_StopPlayback(Device
);
2811 Device
->Flags
&= ~DEVICE_RUNNING
;
2813 ALCdevice_ClosePlayback(Device
);
2815 ALCdevice_DecRef(Device
);
2821 /************************************************
2822 * ALC capture functions
2823 ************************************************/
2824 ALC_API ALCdevice
* ALC_APIENTRY
alcCaptureOpenDevice(const ALCchar
*deviceName
, ALCuint frequency
, ALCenum format
, ALCsizei samples
)
2826 ALCdevice
*device
= NULL
;
2831 if(!CaptureBackend
.name
)
2833 alcSetError(NULL
, ALC_INVALID_VALUE
);
2839 alcSetError(NULL
, ALC_INVALID_VALUE
);
2843 if(deviceName
&& (!deviceName
[0] || strcasecmp(deviceName
, alcDefaultName
) == 0 || strcasecmp(deviceName
, "openal-soft") == 0))
2846 device
= calloc(1, sizeof(ALCdevice
));
2849 alcSetError(NULL
, ALC_OUT_OF_MEMORY
);
2854 device
->Funcs
= &CaptureBackend
.Funcs
;
2856 device
->Connected
= ALC_TRUE
;
2857 device
->Type
= Capture
;
2858 InitializeCriticalSection(&device
->Mutex
);
2860 InitUIntMap(&device
->BufferMap
, ~0);
2861 InitUIntMap(&device
->EffectMap
, ~0);
2862 InitUIntMap(&device
->FilterMap
, ~0);
2864 device
->DeviceName
= NULL
;
2866 device
->Flags
|= DEVICE_FREQUENCY_REQUEST
;
2867 device
->Frequency
= frequency
;
2869 device
->Flags
|= DEVICE_CHANNELS_REQUEST
| DEVICE_SAMPLE_TYPE_REQUEST
;
2870 if(DecomposeDevFormat(format
, &device
->FmtChans
, &device
->FmtType
) == AL_FALSE
)
2872 DeleteCriticalSection(&device
->Mutex
);
2874 alcSetError(NULL
, ALC_INVALID_ENUM
);
2878 device
->UpdateSize
= samples
;
2879 device
->NumUpdates
= 1;
2882 if((err
=ALCdevice_OpenCapture(device
, deviceName
)) != ALC_NO_ERROR
)
2885 DeleteCriticalSection(&device
->Mutex
);
2887 alcSetError(NULL
, err
);
2893 device
->next
= DeviceList
;
2894 } while(!CompExchangePtr((XchgPtr
*)&DeviceList
, device
->next
, device
));
2896 TRACE("Created device %p\n", device
);
2900 ALC_API ALCboolean ALC_APIENTRY
alcCaptureCloseDevice(ALCdevice
*Device
)
2902 ALCdevice
*volatile*list
;
2906 while(*list
&& *list
!= Device
)
2907 list
= &(*list
)->next
;
2909 if(!*list
|| (*list
)->Type
!= Capture
)
2911 alcSetError(*list
, ALC_INVALID_DEVICE
);
2916 *list
= (*list
)->next
;
2919 ALCdevice_CloseCapture(Device
);
2921 ALCdevice_DecRef(Device
);
2926 ALC_API
void ALC_APIENTRY
alcCaptureStart(ALCdevice
*device
)
2929 if(!(device
=VerifyDevice(device
)) || device
->Type
!= Capture
)
2932 alcSetError(device
, ALC_INVALID_DEVICE
);
2933 if(device
) ALCdevice_DecRef(device
);
2936 if(device
->Connected
)
2938 if(!(device
->Flags
&DEVICE_RUNNING
))
2939 ALCdevice_StartCapture(device
);
2940 device
->Flags
|= DEVICE_RUNNING
;
2944 ALCdevice_DecRef(device
);
2947 ALC_API
void ALC_APIENTRY
alcCaptureStop(ALCdevice
*device
)
2950 if(!(device
=VerifyDevice(device
)) || device
->Type
!= Capture
)
2953 alcSetError(device
, ALC_INVALID_DEVICE
);
2954 if(device
) ALCdevice_DecRef(device
);
2957 if((device
->Flags
&DEVICE_RUNNING
))
2958 ALCdevice_StopCapture(device
);
2959 device
->Flags
&= ~DEVICE_RUNNING
;
2962 ALCdevice_DecRef(device
);
2965 ALC_API
void ALC_APIENTRY
alcCaptureSamples(ALCdevice
*device
, ALCvoid
*buffer
, ALCsizei samples
)
2967 ALCenum err
= ALC_INVALID_DEVICE
;
2969 if((device
=VerifyDevice(device
)) != NULL
&& device
->Type
== Capture
)
2971 err
= ALC_INVALID_VALUE
;
2972 if(samples
>= 0 && ALCdevice_AvailableSamples(device
) >= (ALCuint
)samples
)
2973 err
= ALCdevice_CaptureSamples(device
, buffer
, samples
);
2976 if(err
!= ALC_NO_ERROR
)
2977 alcSetError(device
, err
);
2978 if(device
) ALCdevice_DecRef(device
);
2982 /************************************************
2983 * ALC loopback functions
2984 ************************************************/
2986 /* alcLoopbackOpenDeviceSOFT
2988 * Open a loopback device, for manual rendering.
2990 ALC_API ALCdevice
* ALC_APIENTRY
alcLoopbackOpenDeviceSOFT(const ALCchar
*deviceName
)
2996 /* Make sure the device name, if specified, is us. */
2997 if(deviceName
&& strcmp(deviceName
, alcDefaultName
) != 0)
2999 alcSetError(NULL
, ALC_INVALID_VALUE
);
3003 device
= calloc(1, sizeof(ALCdevice
));
3006 alcSetError(NULL
, ALC_OUT_OF_MEMORY
);
3011 device
->Funcs
= &BackendLoopback
.Funcs
;
3013 device
->Connected
= ALC_TRUE
;
3014 device
->Type
= Loopback
;
3015 InitializeCriticalSection(&device
->Mutex
);
3016 device
->LastError
= ALC_NO_ERROR
;
3019 device
->Bs2b
= NULL
;
3020 device
->Bs2bLevel
= 0;
3021 device
->DeviceName
= NULL
;
3023 device
->ContextList
= NULL
;
3025 device
->MaxNoOfSources
= 256;
3026 device
->AuxiliaryEffectSlotMax
= 4;
3027 device
->NumAuxSends
= MAX_SENDS
;
3029 InitUIntMap(&device
->BufferMap
, ~0);
3030 InitUIntMap(&device
->EffectMap
, ~0);
3031 InitUIntMap(&device
->FilterMap
, ~0);
3034 device
->NumUpdates
= 0;
3035 device
->UpdateSize
= 0;
3037 device
->Frequency
= DEFAULT_OUTPUT_RATE
;
3038 device
->FmtChans
= DevFmtChannelsDefault
;
3039 device
->FmtType
= DevFmtTypeDefault
;
3041 ConfigValueUInt(NULL
, "sources", &device
->MaxNoOfSources
);
3042 if(device
->MaxNoOfSources
== 0) device
->MaxNoOfSources
= 256;
3044 ConfigValueUInt(NULL
, "slots", &device
->AuxiliaryEffectSlotMax
);
3045 if(device
->AuxiliaryEffectSlotMax
== 0) device
->AuxiliaryEffectSlotMax
= 4;
3047 ConfigValueUInt(NULL
, "sends", &device
->NumAuxSends
);
3048 if(device
->NumAuxSends
> MAX_SENDS
) device
->NumAuxSends
= MAX_SENDS
;
3050 device
->NumStereoSources
= 1;
3051 device
->NumMonoSources
= device
->MaxNoOfSources
- device
->NumStereoSources
;
3053 // Open the "backend"
3054 ALCdevice_OpenPlayback(device
, "Loopback");
3056 device
->next
= DeviceList
;
3057 } while(!CompExchangePtr((XchgPtr
*)&DeviceList
, device
->next
, device
));
3059 TRACE("Created device %p\n", device
);
3063 /* alcIsRenderFormatSupportedSOFT
3065 * Determines if the loopback device supports the given format for rendering.
3067 ALC_API ALCboolean ALC_APIENTRY
alcIsRenderFormatSupportedSOFT(ALCdevice
*device
, ALCsizei freq
, ALCenum channels
, ALCenum type
)
3069 ALCboolean ret
= ALC_FALSE
;
3071 if(!(device
=VerifyDevice(device
)) || device
->Type
!= Loopback
)
3072 alcSetError(device
, ALC_INVALID_DEVICE
);
3074 alcSetError(device
, ALC_INVALID_VALUE
);
3077 if(IsValidALCType(type
) && BytesFromDevFmt(type
) > 0 &&
3078 IsValidALCChannels(channels
) && ChannelsFromDevFmt(channels
) > 0 &&
3079 freq
>= MIN_OUTPUT_RATE
)
3082 if(device
) ALCdevice_DecRef(device
);
3087 /* alcRenderSamplesSOFT
3089 * Renders some samples into a buffer, using the format last set by the
3090 * attributes given to alcCreateContext.
3092 ALC_API
void ALC_APIENTRY
alcRenderSamplesSOFT(ALCdevice
*device
, ALCvoid
*buffer
, ALCsizei samples
)
3094 if(!(device
=VerifyDevice(device
)) || device
->Type
!= Loopback
)
3095 alcSetError(device
, ALC_INVALID_DEVICE
);
3096 else if(samples
< 0 || (samples
> 0 && buffer
== NULL
))
3097 alcSetError(device
, ALC_INVALID_VALUE
);
3099 aluMixData(device
, buffer
, samples
);
3100 if(device
) ALCdevice_DecRef(device
);