2620 lines
77 KiB
C
2620 lines
77 KiB
C
/**
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* OpenAL cross platform audio library
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* Copyright (C) 1999-2007 by authors.
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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* Or go to http://www.gnu.org/copyleft/lgpl.html
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*/
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#include "config.h"
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#include <math.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <memory.h>
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#include <ctype.h>
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#include "alMain.h"
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#include "alSource.h"
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#include "AL/al.h"
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#include "AL/alc.h"
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#include "alThunk.h"
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#include "alSource.h"
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#include "alBuffer.h"
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#include "alAuxEffectSlot.h"
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#include "alDatabuffer.h"
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#include "bs2b.h"
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#include "alu.h"
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#define EmptyFuncs { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }
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typedef struct BackendInfo {
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const char *name;
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void (*Init)(BackendFuncs*);
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void (*Deinit)(void);
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void (*Probe)(int);
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BackendFuncs Funcs;
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} BackendInfo;
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static BackendInfo BackendList[] = {
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#ifdef HAVE_PULSEAUDIO
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{ "pulse", alc_pulse_init, alc_pulse_deinit, alc_pulse_probe, EmptyFuncs },
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#endif
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#ifdef HAVE_ALSA
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{ "alsa", alc_alsa_init, alc_alsa_deinit, alc_alsa_probe, EmptyFuncs },
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#endif
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#ifdef HAVE_COREAUDIO
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{ "core", alc_ca_init, alc_ca_deinit, alc_ca_probe, EmptyFuncs },
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#endif
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#ifdef HAVE_OSS
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{ "oss", alc_oss_init, alc_oss_deinit, alc_oss_probe, EmptyFuncs },
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#endif
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#ifdef HAVE_SOLARIS
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{ "solaris", alc_solaris_init, alc_solaris_deinit, alc_solaris_probe, EmptyFuncs },
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#endif
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#ifdef HAVE_DSOUND
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{ "dsound", alcDSoundInit, alcDSoundDeinit, alcDSoundProbe, EmptyFuncs },
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#endif
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#ifdef HAVE_WINMM
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{ "winmm", alcWinMMInit, alcWinMMDeinit, alcWinMMProbe, EmptyFuncs },
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#endif
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#ifdef HAVE_PORTAUDIO
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{ "port", alc_pa_init, alc_pa_deinit, alc_pa_probe, EmptyFuncs },
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#endif
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{ "null", alc_null_init, alc_null_deinit, alc_null_probe, EmptyFuncs },
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#ifdef HAVE_WAVE
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{ "wave", alc_wave_init, alc_wave_deinit, alc_wave_probe, EmptyFuncs },
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#endif
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{ NULL, NULL, NULL, NULL, EmptyFuncs }
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};
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static BackendInfo BackendLoopback = {
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"loopback", alc_loopback_init, alc_loopback_deinit, alc_loopback_probe, EmptyFuncs
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};
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#undef EmptyFuncs
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///////////////////////////////////////////////////////
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#define ALC_EFX_MAJOR_VERSION 0x20001
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#define ALC_EFX_MINOR_VERSION 0x20002
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#define ALC_MAX_AUXILIARY_SENDS 0x20003
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///////////////////////////////////////////////////////
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// STRING and EXTENSIONS
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typedef struct ALCfunction {
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const ALCchar *funcName;
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ALCvoid *address;
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} ALCfunction;
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typedef struct ALCenums {
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const ALCchar *enumName;
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ALCenum value;
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} ALCenums;
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static const ALCfunction alcFunctions[] = {
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{ "alcCreateContext", (ALCvoid *) alcCreateContext },
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{ "alcMakeContextCurrent", (ALCvoid *) alcMakeContextCurrent },
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{ "alcProcessContext", (ALCvoid *) alcProcessContext },
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{ "alcSuspendContext", (ALCvoid *) alcSuspendContext },
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{ "alcDestroyContext", (ALCvoid *) alcDestroyContext },
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{ "alcGetCurrentContext", (ALCvoid *) alcGetCurrentContext },
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{ "alcGetContextsDevice", (ALCvoid *) alcGetContextsDevice },
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{ "alcOpenDevice", (ALCvoid *) alcOpenDevice },
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{ "alcCloseDevice", (ALCvoid *) alcCloseDevice },
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{ "alcGetError", (ALCvoid *) alcGetError },
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{ "alcIsExtensionPresent", (ALCvoid *) alcIsExtensionPresent },
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{ "alcGetProcAddress", (ALCvoid *) alcGetProcAddress },
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{ "alcGetEnumValue", (ALCvoid *) alcGetEnumValue },
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{ "alcGetString", (ALCvoid *) alcGetString },
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{ "alcGetIntegerv", (ALCvoid *) alcGetIntegerv },
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{ "alcCaptureOpenDevice", (ALCvoid *) alcCaptureOpenDevice },
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{ "alcCaptureCloseDevice", (ALCvoid *) alcCaptureCloseDevice },
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{ "alcCaptureStart", (ALCvoid *) alcCaptureStart },
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{ "alcCaptureStop", (ALCvoid *) alcCaptureStop },
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{ "alcCaptureSamples", (ALCvoid *) alcCaptureSamples },
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{ "alcSetThreadContext", (ALCvoid *) alcSetThreadContext },
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{ "alcGetThreadContext", (ALCvoid *) alcGetThreadContext },
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{ "alcLoopbackOpenDeviceSOFT", (ALCvoid *) alcLoopbackOpenDeviceSOFT},
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{ "alcIsRenderFormatSupportedSOFT",(ALCvoid *) alcIsRenderFormatSupportedSOFT},
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{ "alcRenderSamplesSOFT", (ALCvoid *) alcRenderSamplesSOFT },
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{ "alEnable", (ALCvoid *) alEnable },
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{ "alDisable", (ALCvoid *) alDisable },
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{ "alIsEnabled", (ALCvoid *) alIsEnabled },
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{ "alGetString", (ALCvoid *) alGetString },
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{ "alGetBooleanv", (ALCvoid *) alGetBooleanv },
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{ "alGetIntegerv", (ALCvoid *) alGetIntegerv },
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{ "alGetFloatv", (ALCvoid *) alGetFloatv },
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{ "alGetDoublev", (ALCvoid *) alGetDoublev },
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{ "alGetBoolean", (ALCvoid *) alGetBoolean },
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{ "alGetInteger", (ALCvoid *) alGetInteger },
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{ "alGetFloat", (ALCvoid *) alGetFloat },
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{ "alGetDouble", (ALCvoid *) alGetDouble },
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{ "alGetError", (ALCvoid *) alGetError },
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{ "alIsExtensionPresent", (ALCvoid *) alIsExtensionPresent },
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{ "alGetProcAddress", (ALCvoid *) alGetProcAddress },
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{ "alGetEnumValue", (ALCvoid *) alGetEnumValue },
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{ "alListenerf", (ALCvoid *) alListenerf },
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{ "alListener3f", (ALCvoid *) alListener3f },
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{ "alListenerfv", (ALCvoid *) alListenerfv },
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{ "alListeneri", (ALCvoid *) alListeneri },
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{ "alListener3i", (ALCvoid *) alListener3i },
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{ "alListeneriv", (ALCvoid *) alListeneriv },
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{ "alGetListenerf", (ALCvoid *) alGetListenerf },
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{ "alGetListener3f", (ALCvoid *) alGetListener3f },
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{ "alGetListenerfv", (ALCvoid *) alGetListenerfv },
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{ "alGetListeneri", (ALCvoid *) alGetListeneri },
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{ "alGetListener3i", (ALCvoid *) alGetListener3i },
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{ "alGetListeneriv", (ALCvoid *) alGetListeneriv },
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{ "alGenSources", (ALCvoid *) alGenSources },
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{ "alDeleteSources", (ALCvoid *) alDeleteSources },
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{ "alIsSource", (ALCvoid *) alIsSource },
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{ "alSourcef", (ALCvoid *) alSourcef },
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{ "alSource3f", (ALCvoid *) alSource3f },
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{ "alSourcefv", (ALCvoid *) alSourcefv },
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{ "alSourcei", (ALCvoid *) alSourcei },
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{ "alSource3i", (ALCvoid *) alSource3i },
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{ "alSourceiv", (ALCvoid *) alSourceiv },
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{ "alGetSourcef", (ALCvoid *) alGetSourcef },
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{ "alGetSource3f", (ALCvoid *) alGetSource3f },
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{ "alGetSourcefv", (ALCvoid *) alGetSourcefv },
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{ "alGetSourcei", (ALCvoid *) alGetSourcei },
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{ "alGetSource3i", (ALCvoid *) alGetSource3i },
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{ "alGetSourceiv", (ALCvoid *) alGetSourceiv },
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{ "alSourcePlayv", (ALCvoid *) alSourcePlayv },
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{ "alSourceStopv", (ALCvoid *) alSourceStopv },
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{ "alSourceRewindv", (ALCvoid *) alSourceRewindv },
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{ "alSourcePausev", (ALCvoid *) alSourcePausev },
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{ "alSourcePlay", (ALCvoid *) alSourcePlay },
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{ "alSourceStop", (ALCvoid *) alSourceStop },
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{ "alSourceRewind", (ALCvoid *) alSourceRewind },
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{ "alSourcePause", (ALCvoid *) alSourcePause },
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{ "alSourceQueueBuffers", (ALCvoid *) alSourceQueueBuffers },
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{ "alSourceUnqueueBuffers", (ALCvoid *) alSourceUnqueueBuffers },
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{ "alGenBuffers", (ALCvoid *) alGenBuffers },
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{ "alDeleteBuffers", (ALCvoid *) alDeleteBuffers },
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{ "alIsBuffer", (ALCvoid *) alIsBuffer },
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{ "alBufferData", (ALCvoid *) alBufferData },
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{ "alBufferf", (ALCvoid *) alBufferf },
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{ "alBuffer3f", (ALCvoid *) alBuffer3f },
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{ "alBufferfv", (ALCvoid *) alBufferfv },
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{ "alBufferi", (ALCvoid *) alBufferi },
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{ "alBuffer3i", (ALCvoid *) alBuffer3i },
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{ "alBufferiv", (ALCvoid *) alBufferiv },
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{ "alGetBufferf", (ALCvoid *) alGetBufferf },
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{ "alGetBuffer3f", (ALCvoid *) alGetBuffer3f },
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{ "alGetBufferfv", (ALCvoid *) alGetBufferfv },
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{ "alGetBufferi", (ALCvoid *) alGetBufferi },
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{ "alGetBuffer3i", (ALCvoid *) alGetBuffer3i },
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{ "alGetBufferiv", (ALCvoid *) alGetBufferiv },
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{ "alDopplerFactor", (ALCvoid *) alDopplerFactor },
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{ "alDopplerVelocity", (ALCvoid *) alDopplerVelocity },
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{ "alSpeedOfSound", (ALCvoid *) alSpeedOfSound },
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{ "alDistanceModel", (ALCvoid *) alDistanceModel },
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{ "alGenFilters", (ALCvoid *) alGenFilters },
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{ "alDeleteFilters", (ALCvoid *) alDeleteFilters },
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{ "alIsFilter", (ALCvoid *) alIsFilter },
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{ "alFilteri", (ALCvoid *) alFilteri },
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{ "alFilteriv", (ALCvoid *) alFilteriv },
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{ "alFilterf", (ALCvoid *) alFilterf },
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{ "alFilterfv", (ALCvoid *) alFilterfv },
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{ "alGetFilteri", (ALCvoid *) alGetFilteri },
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{ "alGetFilteriv", (ALCvoid *) alGetFilteriv },
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{ "alGetFilterf", (ALCvoid *) alGetFilterf },
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{ "alGetFilterfv", (ALCvoid *) alGetFilterfv },
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{ "alGenEffects", (ALCvoid *) alGenEffects },
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{ "alDeleteEffects", (ALCvoid *) alDeleteEffects },
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{ "alIsEffect", (ALCvoid *) alIsEffect },
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{ "alEffecti", (ALCvoid *) alEffecti },
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{ "alEffectiv", (ALCvoid *) alEffectiv },
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{ "alEffectf", (ALCvoid *) alEffectf },
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{ "alEffectfv", (ALCvoid *) alEffectfv },
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{ "alGetEffecti", (ALCvoid *) alGetEffecti },
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{ "alGetEffectiv", (ALCvoid *) alGetEffectiv },
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{ "alGetEffectf", (ALCvoid *) alGetEffectf },
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{ "alGetEffectfv", (ALCvoid *) alGetEffectfv },
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{ "alGenAuxiliaryEffectSlots", (ALCvoid *) alGenAuxiliaryEffectSlots},
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{ "alDeleteAuxiliaryEffectSlots",(ALCvoid *) alDeleteAuxiliaryEffectSlots},
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{ "alIsAuxiliaryEffectSlot", (ALCvoid *) alIsAuxiliaryEffectSlot },
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{ "alAuxiliaryEffectSloti", (ALCvoid *) alAuxiliaryEffectSloti },
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{ "alAuxiliaryEffectSlotiv", (ALCvoid *) alAuxiliaryEffectSlotiv },
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{ "alAuxiliaryEffectSlotf", (ALCvoid *) alAuxiliaryEffectSlotf },
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{ "alAuxiliaryEffectSlotfv", (ALCvoid *) alAuxiliaryEffectSlotfv },
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{ "alGetAuxiliaryEffectSloti", (ALCvoid *) alGetAuxiliaryEffectSloti},
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{ "alGetAuxiliaryEffectSlotiv", (ALCvoid *) alGetAuxiliaryEffectSlotiv},
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{ "alGetAuxiliaryEffectSlotf", (ALCvoid *) alGetAuxiliaryEffectSlotf},
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{ "alGetAuxiliaryEffectSlotfv", (ALCvoid *) alGetAuxiliaryEffectSlotfv},
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{ "alBufferSubDataSOFT", (ALCvoid *) alBufferSubDataSOFT },
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{ "alBufferSamplesSOFT", (ALCvoid *) alBufferSamplesSOFT },
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{ "alBufferSubSamplesSOFT", (ALCvoid *) alBufferSubSamplesSOFT },
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{ "alGetBufferSamplesSOFT", (ALCvoid *) alGetBufferSamplesSOFT },
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{ "alIsBufferFormatSupportedSOFT",(ALCvoid *) alIsBufferFormatSupportedSOFT},
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#if 0
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{ "alGenDatabuffersEXT", (ALCvoid *) alGenDatabuffersEXT },
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{ "alDeleteDatabuffersEXT", (ALCvoid *) alDeleteDatabuffersEXT },
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{ "alIsDatabufferEXT", (ALCvoid *) alIsDatabufferEXT },
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{ "alDatabufferDataEXT", (ALCvoid *) alDatabufferDataEXT },
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{ "alDatabufferSubDataEXT", (ALCvoid *) alDatabufferSubDataEXT },
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{ "alGetDatabufferSubDataEXT", (ALCvoid *) alGetDatabufferSubDataEXT},
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{ "alDatabufferfEXT", (ALCvoid *) alDatabufferfEXT },
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{ "alDatabufferfvEXT", (ALCvoid *) alDatabufferfvEXT },
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{ "alDatabufferiEXT", (ALCvoid *) alDatabufferiEXT },
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{ "alDatabufferivEXT", (ALCvoid *) alDatabufferivEXT },
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{ "alGetDatabufferfEXT", (ALCvoid *) alGetDatabufferfEXT },
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{ "alGetDatabufferfvEXT", (ALCvoid *) alGetDatabufferfvEXT },
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{ "alGetDatabufferiEXT", (ALCvoid *) alGetDatabufferiEXT },
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{ "alGetDatabufferivEXT", (ALCvoid *) alGetDatabufferivEXT },
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{ "alSelectDatabufferEXT", (ALCvoid *) alSelectDatabufferEXT },
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{ "alMapDatabufferEXT", (ALCvoid *) alMapDatabufferEXT },
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{ "alUnmapDatabufferEXT", (ALCvoid *) alUnmapDatabufferEXT },
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#endif
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{ NULL, (ALCvoid *) NULL }
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};
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static const ALCenums enumeration[] = {
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// Types
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{ "ALC_INVALID", ALC_INVALID },
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{ "ALC_FALSE", ALC_FALSE },
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{ "ALC_TRUE", ALC_TRUE },
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// ALC Properties
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{ "ALC_MAJOR_VERSION", ALC_MAJOR_VERSION },
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{ "ALC_MINOR_VERSION", ALC_MINOR_VERSION },
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{ "ALC_ATTRIBUTES_SIZE", ALC_ATTRIBUTES_SIZE },
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{ "ALC_ALL_ATTRIBUTES", ALC_ALL_ATTRIBUTES },
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{ "ALC_DEFAULT_DEVICE_SPECIFIER", ALC_DEFAULT_DEVICE_SPECIFIER },
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{ "ALC_DEVICE_SPECIFIER", ALC_DEVICE_SPECIFIER },
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{ "ALC_ALL_DEVICES_SPECIFIER", ALC_ALL_DEVICES_SPECIFIER },
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{ "ALC_DEFAULT_ALL_DEVICES_SPECIFIER", ALC_DEFAULT_ALL_DEVICES_SPECIFIER },
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{ "ALC_EXTENSIONS", ALC_EXTENSIONS },
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{ "ALC_FREQUENCY", ALC_FREQUENCY },
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{ "ALC_REFRESH", ALC_REFRESH },
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{ "ALC_SYNC", ALC_SYNC },
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{ "ALC_MONO_SOURCES", ALC_MONO_SOURCES },
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{ "ALC_STEREO_SOURCES", ALC_STEREO_SOURCES },
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{ "ALC_CAPTURE_DEVICE_SPECIFIER", ALC_CAPTURE_DEVICE_SPECIFIER },
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{ "ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER", ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER},
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{ "ALC_CAPTURE_SAMPLES", ALC_CAPTURE_SAMPLES },
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{ "ALC_CONNECTED", ALC_CONNECTED },
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// EFX Properties
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{ "ALC_EFX_MAJOR_VERSION", ALC_EFX_MAJOR_VERSION },
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{ "ALC_EFX_MINOR_VERSION", ALC_EFX_MINOR_VERSION },
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{ "ALC_MAX_AUXILIARY_SENDS", ALC_MAX_AUXILIARY_SENDS },
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// Loopback device Properties
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{ "ALC_FORMAT_CHANNELS_SOFT", ALC_FORMAT_CHANNELS_SOFT },
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{ "ALC_FORMAT_TYPE_SOFT", ALC_FORMAT_TYPE_SOFT },
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// ALC Error Message
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{ "ALC_NO_ERROR", ALC_NO_ERROR },
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{ "ALC_INVALID_DEVICE", ALC_INVALID_DEVICE },
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{ "ALC_INVALID_CONTEXT", ALC_INVALID_CONTEXT },
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{ "ALC_INVALID_ENUM", ALC_INVALID_ENUM },
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{ "ALC_INVALID_VALUE", ALC_INVALID_VALUE },
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{ "ALC_OUT_OF_MEMORY", ALC_OUT_OF_MEMORY },
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{ NULL, (ALCenum)0 }
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};
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// Error strings
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static const ALCchar alcNoError[] = "No Error";
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static const ALCchar alcErrInvalidDevice[] = "Invalid Device";
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static const ALCchar alcErrInvalidContext[] = "Invalid Context";
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static const ALCchar alcErrInvalidEnum[] = "Invalid Enum";
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static const ALCchar alcErrInvalidValue[] = "Invalid Value";
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static const ALCchar alcErrOutOfMemory[] = "Out of Memory";
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/* Device lists. Sizes only include the first ending null character, not the
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* second */
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static ALCchar *alcDeviceList;
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static size_t alcDeviceListSize;
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static ALCchar *alcAllDeviceList;
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static size_t alcAllDeviceListSize;
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static ALCchar *alcCaptureDeviceList;
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static size_t alcCaptureDeviceListSize;
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// Default is always the first in the list
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static ALCchar *alcDefaultDeviceSpecifier;
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static ALCchar *alcDefaultAllDeviceSpecifier;
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static ALCchar *alcCaptureDefaultDeviceSpecifier;
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static const ALCchar alcNoDeviceExtList[] =
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"ALC_ENUMERATE_ALL_EXT ALC_ENUMERATION_EXT ALC_EXT_CAPTURE "
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"ALC_EXT_thread_local_context ALC_SOFTX_loopback_device";
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static const ALCchar alcExtensionList[] =
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"ALC_ENUMERATE_ALL_EXT ALC_ENUMERATION_EXT ALC_EXT_CAPTURE "
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"ALC_EXT_DEDICATED ALC_EXT_disconnect ALC_EXT_EFX "
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"ALC_EXT_thread_local_context ALC_SOFTX_loopback_device";
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static const ALCint alcMajorVersion = 1;
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static const ALCint alcMinorVersion = 1;
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static const ALCint alcEFXMajorVersion = 1;
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static const ALCint alcEFXMinorVersion = 0;
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///////////////////////////////////////////////////////
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///////////////////////////////////////////////////////
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// Global Variables
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static ALCdevice *g_pDeviceList = NULL;
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static ALCuint g_ulDeviceCount = 0;
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static CRITICAL_SECTION g_csMutex;
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// Context List
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static ALCcontext *g_pContextList = NULL;
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static ALCuint g_ulContextCount = 0;
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// Thread-local current context
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static tls_type LocalContext;
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// Process-wide current context
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static ALCcontext *GlobalContext;
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// Context Error
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static ALCenum g_eLastNullDeviceError = ALC_NO_ERROR;
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// Default context extensions
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static const ALchar alExtList[] =
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"AL_EXT_DOUBLE AL_EXT_EXPONENT_DISTANCE AL_EXT_FLOAT32 AL_EXT_IMA4 "
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"AL_EXT_LINEAR_DISTANCE AL_EXT_MCFORMATS AL_EXT_MULAW "
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"AL_EXT_MULAW_MCFORMATS AL_EXT_OFFSET AL_EXT_source_distance_model "
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"AL_LOKI_quadriphonic AL_SOFTX_buffer_samples AL_SOFT_buffer_sub_data "
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"AL_SOFT_loop_points";
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// Mixing Priority Level
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static ALint RTPrioLevel;
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// Output Log File
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static FILE *LogFile;
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// Cone scalar
|
|
ALdouble ConeScale = 0.5;
|
|
|
|
///////////////////////////////////////////////////////
|
|
|
|
|
|
///////////////////////////////////////////////////////
|
|
// ALC Related helper functions
|
|
static void ReleaseALC(void);
|
|
|
|
#ifdef HAVE_GCC_DESTRUCTOR
|
|
static void alc_init(void) __attribute__((constructor));
|
|
static void alc_deinit(void) __attribute__((destructor));
|
|
#else
|
|
#ifdef _WIN32
|
|
static void alc_init(void);
|
|
static void alc_deinit(void);
|
|
|
|
#ifndef AL_LIBTYPE_STATIC
|
|
BOOL APIENTRY DllMain(HANDLE hModule,DWORD ul_reason_for_call,LPVOID lpReserved)
|
|
{
|
|
(void)lpReserved;
|
|
|
|
// Perform actions based on the reason for calling.
|
|
switch(ul_reason_for_call)
|
|
{
|
|
case DLL_PROCESS_ATTACH:
|
|
DisableThreadLibraryCalls(hModule);
|
|
alc_init();
|
|
break;
|
|
|
|
case DLL_PROCESS_DETACH:
|
|
alc_deinit();
|
|
break;
|
|
}
|
|
return TRUE;
|
|
}
|
|
#elif defined(_MSC_VER)
|
|
#pragma section(".CRT$XCU",read)
|
|
static void alc_constructor(void);
|
|
static void alc_destructor(void);
|
|
__declspec(allocate(".CRT$XCU")) void (__cdecl* alc_constructor_)(void) = alc_constructor;
|
|
|
|
static void alc_constructor(void)
|
|
{
|
|
atexit(alc_destructor);
|
|
alc_init();
|
|
}
|
|
|
|
static void alc_destructor(void)
|
|
{
|
|
alc_deinit();
|
|
}
|
|
#endif
|
|
#endif
|
|
#endif
|
|
|
|
static void alc_init(void)
|
|
{
|
|
int i;
|
|
const char *devs, *str;
|
|
|
|
str = getenv("ALSOFT_LOGFILE");
|
|
if(str && str[0])
|
|
{
|
|
LogFile = fopen(str, "w");
|
|
if(!LogFile)
|
|
fprintf(stderr, "AL lib: Failed to open log file '%s'\n", str);
|
|
}
|
|
if(!LogFile)
|
|
LogFile = stderr;
|
|
|
|
str = getenv("__ALSOFT_HALF_ANGLE_CONES");
|
|
if(str && (strcasecmp(str, "true") == 0 || strtol(str, NULL, 0) == 1))
|
|
ConeScale = 1.0;
|
|
|
|
InitializeCriticalSection(&g_csMutex);
|
|
ALTHUNK_INIT();
|
|
ReadALConfig();
|
|
|
|
tls_create(&LocalContext);
|
|
|
|
RTPrioLevel = GetConfigValueInt(NULL, "rt-prio", 0);
|
|
|
|
DefaultResampler = GetConfigValueInt(NULL, "resampler", RESAMPLER_DEFAULT);
|
|
if(DefaultResampler >= RESAMPLER_MAX || DefaultResampler <= RESAMPLER_MIN)
|
|
DefaultResampler = RESAMPLER_DEFAULT;
|
|
|
|
devs = GetConfigValue(NULL, "drivers", "");
|
|
if(devs[0])
|
|
{
|
|
int n;
|
|
size_t len;
|
|
const char *next = devs;
|
|
int endlist, delitem;
|
|
|
|
i = 0;
|
|
do {
|
|
devs = next;
|
|
next = strchr(devs, ',');
|
|
|
|
delitem = (devs[0] == '-');
|
|
if(devs[0] == '-') devs++;
|
|
|
|
if(!devs[0] || devs[0] == ',')
|
|
{
|
|
endlist = 0;
|
|
continue;
|
|
}
|
|
endlist = 1;
|
|
|
|
len = (next ? ((size_t)(next-devs)) : strlen(devs));
|
|
for(n = i;BackendList[n].Init;n++)
|
|
{
|
|
if(len == strlen(BackendList[n].name) &&
|
|
strncmp(BackendList[n].name, devs, len) == 0)
|
|
{
|
|
if(delitem)
|
|
{
|
|
do {
|
|
BackendList[n] = BackendList[n+1];
|
|
++n;
|
|
} while(BackendList[n].Init);
|
|
}
|
|
else
|
|
{
|
|
BackendInfo Bkp = BackendList[n];
|
|
while(n > i)
|
|
{
|
|
BackendList[n] = BackendList[n-1];
|
|
--n;
|
|
}
|
|
BackendList[n] = Bkp;
|
|
|
|
i++;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
} while(next++);
|
|
|
|
if(endlist)
|
|
{
|
|
BackendList[i].name = NULL;
|
|
BackendList[i].Init = NULL;
|
|
BackendList[i].Deinit = NULL;
|
|
BackendList[i].Probe = NULL;
|
|
}
|
|
}
|
|
|
|
for(i = 0;BackendList[i].Init;i++)
|
|
BackendList[i].Init(&BackendList[i].Funcs);
|
|
BackendLoopback.Init(&BackendLoopback.Funcs);
|
|
|
|
str = GetConfigValue(NULL, "excludefx", "");
|
|
if(str[0])
|
|
{
|
|
int n;
|
|
size_t len;
|
|
const char *next = str;
|
|
|
|
do {
|
|
str = next;
|
|
next = strchr(str, ',');
|
|
|
|
if(!str[0] || next == str)
|
|
continue;
|
|
|
|
len = (next ? ((size_t)(next-str)) : strlen(str));
|
|
for(n = 0;EffectList[n].name;n++)
|
|
{
|
|
if(len == strlen(EffectList[n].name) &&
|
|
strncmp(EffectList[n].name, str, len) == 0)
|
|
DisabledEffects[EffectList[n].type] = AL_TRUE;
|
|
}
|
|
} while(next++);
|
|
}
|
|
}
|
|
|
|
static void alc_deinit(void)
|
|
{
|
|
int i;
|
|
|
|
ReleaseALC();
|
|
|
|
for(i = 0;BackendList[i].Deinit;i++)
|
|
BackendList[i].Deinit();
|
|
BackendLoopback.Deinit();
|
|
|
|
tls_delete(LocalContext);
|
|
|
|
FreeALConfig();
|
|
ALTHUNK_EXIT();
|
|
DeleteCriticalSection(&g_csMutex);
|
|
|
|
if(LogFile != stderr)
|
|
fclose(LogFile);
|
|
LogFile = NULL;
|
|
}
|
|
|
|
|
|
static void ProbeDeviceList()
|
|
{
|
|
ALint i;
|
|
|
|
free(alcDeviceList); alcDeviceList = NULL;
|
|
alcDeviceListSize = 0;
|
|
|
|
for(i = 0;BackendList[i].Probe;i++)
|
|
BackendList[i].Probe(DEVICE_PROBE);
|
|
}
|
|
|
|
static void ProbeAllDeviceList()
|
|
{
|
|
ALint i;
|
|
|
|
free(alcAllDeviceList); alcAllDeviceList = NULL;
|
|
alcAllDeviceListSize = 0;
|
|
|
|
for(i = 0;BackendList[i].Probe;i++)
|
|
BackendList[i].Probe(ALL_DEVICE_PROBE);
|
|
}
|
|
|
|
static void ProbeCaptureDeviceList()
|
|
{
|
|
ALint i;
|
|
|
|
free(alcCaptureDeviceList); alcCaptureDeviceList = NULL;
|
|
alcCaptureDeviceListSize = 0;
|
|
|
|
for(i = 0;BackendList[i].Probe;i++)
|
|
BackendList[i].Probe(CAPTURE_DEVICE_PROBE);
|
|
}
|
|
|
|
|
|
static void AppendList(const ALCchar *name, ALCchar **List, size_t *ListSize)
|
|
{
|
|
size_t len = strlen(name);
|
|
void *temp;
|
|
|
|
if(len == 0)
|
|
return;
|
|
|
|
temp = realloc(*List, (*ListSize) + len + 2);
|
|
if(!temp)
|
|
{
|
|
AL_PRINT("Realloc failed to add %s!\n", name);
|
|
return;
|
|
}
|
|
*List = temp;
|
|
|
|
memcpy((*List)+(*ListSize), name, len+1);
|
|
*ListSize += len+1;
|
|
(*List)[*ListSize] = 0;
|
|
}
|
|
|
|
#define DECL_APPEND_LIST_FUNC(type) \
|
|
void Append##type##List(const ALCchar *name) \
|
|
{ AppendList(name, &alc##type##List, &alc##type##ListSize); }
|
|
|
|
DECL_APPEND_LIST_FUNC(Device)
|
|
DECL_APPEND_LIST_FUNC(AllDevice)
|
|
DECL_APPEND_LIST_FUNC(CaptureDevice)
|
|
|
|
#undef DECL_APPEND_LIST_FUNC
|
|
|
|
|
|
void al_print(const char *fname, unsigned int line, const char *fmt, ...)
|
|
{
|
|
const char *fn;
|
|
char str[256];
|
|
int i;
|
|
|
|
fn = strrchr(fname, '/');
|
|
if(!fn) fn = strrchr(fname, '\\');;
|
|
if(!fn) fn = fname;
|
|
else fn += 1;
|
|
|
|
i = snprintf(str, sizeof(str), "AL lib: %s:%d: ", fn, line);
|
|
if(i < (int)sizeof(str) && i > 0)
|
|
{
|
|
va_list ap;
|
|
va_start(ap, fmt);
|
|
vsnprintf(str+i, sizeof(str)-i, fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
str[sizeof(str)-1] = 0;
|
|
|
|
fprintf(LogFile, "%s", str);
|
|
fflush(LogFile);
|
|
}
|
|
|
|
void SetRTPriority(void)
|
|
{
|
|
ALboolean failed;
|
|
|
|
#ifdef _WIN32
|
|
if(RTPrioLevel > 0)
|
|
failed = !SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_TIME_CRITICAL);
|
|
else
|
|
failed = !SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_NORMAL);
|
|
#elif defined(HAVE_PTHREAD_SETSCHEDPARAM)
|
|
struct sched_param param;
|
|
|
|
if(RTPrioLevel > 0)
|
|
{
|
|
/* Use the minimum real-time priority possible for now (on Linux this
|
|
* should be 1 for SCHED_RR) */
|
|
param.sched_priority = sched_get_priority_min(SCHED_RR);
|
|
failed = !!pthread_setschedparam(pthread_self(), SCHED_RR, ¶m);
|
|
}
|
|
else
|
|
{
|
|
param.sched_priority = 0;
|
|
failed = !!pthread_setschedparam(pthread_self(), SCHED_OTHER, ¶m);
|
|
}
|
|
#else
|
|
/* Real-time priority not available */
|
|
failed = (RTPrioLevel>0);
|
|
#endif
|
|
if(failed)
|
|
AL_PRINT("Failed to set priority level for thread\n");
|
|
}
|
|
|
|
|
|
void InitUIntMap(UIntMap *map)
|
|
{
|
|
map->array = NULL;
|
|
map->size = 0;
|
|
map->maxsize = 0;
|
|
}
|
|
|
|
void ResetUIntMap(UIntMap *map)
|
|
{
|
|
free(map->array);
|
|
map->array = NULL;
|
|
map->size = 0;
|
|
map->maxsize = 0;
|
|
}
|
|
|
|
ALenum InsertUIntMapEntry(UIntMap *map, ALuint key, ALvoid *value)
|
|
{
|
|
ALsizei pos = 0;
|
|
|
|
if(map->size > 0)
|
|
{
|
|
ALsizei low = 0;
|
|
ALsizei high = map->size - 1;
|
|
while(low < high)
|
|
{
|
|
ALsizei mid = low + (high-low)/2;
|
|
if(map->array[mid].key < key)
|
|
low = mid + 1;
|
|
else
|
|
high = mid;
|
|
}
|
|
if(map->array[low].key < key)
|
|
low++;
|
|
pos = low;
|
|
}
|
|
|
|
if(pos == map->size || map->array[pos].key != key)
|
|
{
|
|
if(map->size == map->maxsize)
|
|
{
|
|
ALvoid *temp;
|
|
ALsizei newsize;
|
|
|
|
newsize = (map->maxsize ? (map->maxsize<<1) : 4);
|
|
if(newsize < map->maxsize)
|
|
return AL_OUT_OF_MEMORY;
|
|
|
|
temp = realloc(map->array, newsize*sizeof(map->array[0]));
|
|
if(!temp) return AL_OUT_OF_MEMORY;
|
|
map->array = temp;
|
|
map->maxsize = newsize;
|
|
}
|
|
|
|
map->size++;
|
|
if(pos < map->size-1)
|
|
memmove(&map->array[pos+1], &map->array[pos],
|
|
(map->size-1-pos)*sizeof(map->array[0]));
|
|
}
|
|
map->array[pos].key = key;
|
|
map->array[pos].value = value;
|
|
|
|
return AL_NO_ERROR;
|
|
}
|
|
|
|
void RemoveUIntMapKey(UIntMap *map, ALuint key)
|
|
{
|
|
if(map->size > 0)
|
|
{
|
|
ALsizei low = 0;
|
|
ALsizei high = map->size - 1;
|
|
while(low < high)
|
|
{
|
|
ALsizei mid = low + (high-low)/2;
|
|
if(map->array[mid].key < key)
|
|
low = mid + 1;
|
|
else
|
|
high = mid;
|
|
}
|
|
if(map->array[low].key == key)
|
|
{
|
|
if(low < map->size-1)
|
|
memmove(&map->array[low], &map->array[low+1],
|
|
(map->size-1-low)*sizeof(map->array[0]));
|
|
map->size--;
|
|
}
|
|
}
|
|
}
|
|
|
|
ALvoid *LookupUIntMapKey(UIntMap *map, ALuint key)
|
|
{
|
|
if(map->size > 0)
|
|
{
|
|
ALsizei low = 0;
|
|
ALsizei high = map->size - 1;
|
|
while(low < high)
|
|
{
|
|
ALsizei mid = low + (high-low)/2;
|
|
if(map->array[mid].key < key)
|
|
low = mid + 1;
|
|
else
|
|
high = mid;
|
|
}
|
|
if(map->array[low].key == key)
|
|
return map->array[low].value;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
|
|
ALuint BytesFromDevFmt(enum DevFmtType type)
|
|
{
|
|
switch(type)
|
|
{
|
|
case DevFmtByte: return sizeof(ALbyte);
|
|
case DevFmtUByte: return sizeof(ALubyte);
|
|
case DevFmtShort: return sizeof(ALshort);
|
|
case DevFmtUShort: return sizeof(ALushort);
|
|
case DevFmtFloat: return sizeof(ALfloat);
|
|
}
|
|
return 0;
|
|
}
|
|
ALuint ChannelsFromDevFmt(enum DevFmtChannels chans)
|
|
{
|
|
switch(chans)
|
|
{
|
|
case DevFmtMono: return 1;
|
|
case DevFmtStereo: return 2;
|
|
case DevFmtQuad: return 4;
|
|
case DevFmtX51: return 6;
|
|
case DevFmtX61: return 7;
|
|
case DevFmtX71: return 8;
|
|
}
|
|
return 0;
|
|
}
|
|
ALboolean DecomposeDevFormat(ALenum format, enum DevFmtChannels *chans,
|
|
enum DevFmtType *type)
|
|
{
|
|
switch(format)
|
|
{
|
|
case AL_FORMAT_MONO8:
|
|
*chans = DevFmtMono;
|
|
*type = DevFmtUByte;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_MONO16:
|
|
*chans = DevFmtMono;
|
|
*type = DevFmtShort;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_MONO_FLOAT32:
|
|
*chans = DevFmtMono;
|
|
*type = DevFmtFloat;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_STEREO8:
|
|
*chans = DevFmtStereo;
|
|
*type = DevFmtUByte;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_STEREO16:
|
|
*chans = DevFmtStereo;
|
|
*type = DevFmtShort;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_STEREO_FLOAT32:
|
|
*chans = DevFmtStereo;
|
|
*type = DevFmtFloat;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_QUAD8:
|
|
*chans = DevFmtQuad;
|
|
*type = DevFmtUByte;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_QUAD16:
|
|
*chans = DevFmtQuad;
|
|
*type = DevFmtShort;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_QUAD32:
|
|
*chans = DevFmtQuad;
|
|
*type = DevFmtFloat;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_51CHN8:
|
|
*chans = DevFmtX51;
|
|
*type = DevFmtUByte;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_51CHN16:
|
|
*chans = DevFmtX51;
|
|
*type = DevFmtShort;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_51CHN32:
|
|
*chans = DevFmtX51;
|
|
*type = DevFmtFloat;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_61CHN8:
|
|
*chans = DevFmtX61;
|
|
*type = DevFmtUByte;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_61CHN16:
|
|
*chans = DevFmtX61;
|
|
*type = DevFmtShort;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_61CHN32:
|
|
*chans = DevFmtX61;
|
|
*type = DevFmtFloat;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_71CHN8:
|
|
*chans = DevFmtX71;
|
|
*type = DevFmtUByte;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_71CHN16:
|
|
*chans = DevFmtX71;
|
|
*type = DevFmtShort;
|
|
return AL_TRUE;
|
|
case AL_FORMAT_71CHN32:
|
|
*chans = DevFmtX71;
|
|
*type = DevFmtFloat;
|
|
return AL_TRUE;
|
|
}
|
|
return AL_FALSE;
|
|
}
|
|
|
|
ALboolean IsValidType(ALenum type)
|
|
{
|
|
switch(type)
|
|
{
|
|
case AL_BYTE:
|
|
case AL_UNSIGNED_BYTE:
|
|
case AL_SHORT:
|
|
case AL_UNSIGNED_SHORT:
|
|
case AL_INT:
|
|
case AL_UNSIGNED_INT:
|
|
case AL_FLOAT:
|
|
case AL_DOUBLE:
|
|
case AL_MULAW:
|
|
case AL_IMA4:
|
|
case AL_BYTE3:
|
|
case AL_UNSIGNED_BYTE3:
|
|
return AL_TRUE;
|
|
}
|
|
return AL_FALSE;
|
|
}
|
|
|
|
ALboolean IsValidChannels(ALenum channels)
|
|
{
|
|
switch(channels)
|
|
{
|
|
case AL_MONO:
|
|
case AL_STEREO:
|
|
case AL_REAR:
|
|
case AL_QUAD:
|
|
case AL_5POINT1:
|
|
case AL_6POINT1:
|
|
case AL_7POINT1:
|
|
return AL_TRUE;
|
|
}
|
|
return AL_FALSE;
|
|
}
|
|
|
|
/*
|
|
IsDevice
|
|
|
|
Check pDevice is a valid Device pointer
|
|
*/
|
|
static ALCboolean IsDevice(ALCdevice *pDevice)
|
|
{
|
|
ALCdevice *pTempDevice;
|
|
|
|
SuspendContext(NULL);
|
|
|
|
pTempDevice = g_pDeviceList;
|
|
while(pTempDevice && pTempDevice != pDevice)
|
|
pTempDevice = pTempDevice->next;
|
|
|
|
ProcessContext(NULL);
|
|
|
|
return (pTempDevice ? ALC_TRUE : ALC_FALSE);
|
|
}
|
|
|
|
/*
|
|
IsContext
|
|
|
|
Check pContext is a valid Context pointer
|
|
*/
|
|
static ALCboolean IsContext(ALCcontext *pContext)
|
|
{
|
|
ALCcontext *pTempContext;
|
|
|
|
SuspendContext(NULL);
|
|
|
|
pTempContext = g_pContextList;
|
|
while (pTempContext && pTempContext != pContext)
|
|
pTempContext = pTempContext->next;
|
|
|
|
ProcessContext(NULL);
|
|
|
|
return (pTempContext ? ALC_TRUE : ALC_FALSE);
|
|
}
|
|
|
|
|
|
/*
|
|
alcSetError
|
|
|
|
Store latest ALC Error
|
|
*/
|
|
ALCvoid alcSetError(ALCdevice *device, ALenum errorCode)
|
|
{
|
|
if(IsDevice(device))
|
|
device->LastError = errorCode;
|
|
else
|
|
g_eLastNullDeviceError = errorCode;
|
|
}
|
|
|
|
|
|
/* UpdateDeviceParams:
|
|
*
|
|
* Updates device parameters according to the attribute list.
|
|
*/
|
|
static ALCboolean UpdateDeviceParams(ALCdevice *device, const ALCint *attrList)
|
|
{
|
|
ALCuint freq, numMono, numStereo, numSends;
|
|
enum DevFmtChannels schans;
|
|
enum DevFmtType stype;
|
|
ALboolean running;
|
|
ALuint attrIdx;
|
|
ALuint i;
|
|
|
|
running = ((device->NumContexts > 0) ? AL_TRUE : AL_FALSE);
|
|
|
|
// Check for attributes
|
|
if(attrList && attrList[0])
|
|
{
|
|
// If a context is already running on the device, stop playback so the
|
|
// device attributes can be updated
|
|
if(running)
|
|
{
|
|
ProcessContext(NULL);
|
|
ALCdevice_StopPlayback(device);
|
|
SuspendContext(NULL);
|
|
running = AL_FALSE;
|
|
}
|
|
|
|
freq = device->Frequency;
|
|
schans = device->FmtChans;
|
|
stype = device->FmtType;
|
|
numMono = device->NumMonoSources;
|
|
numStereo = device->NumStereoSources;
|
|
numSends = device->NumAuxSends;
|
|
|
|
if(!ConfigValueExists(NULL, "frequency"))
|
|
device->Flags &= ~DEVICE_FREQUENCY_REQUEST;
|
|
else
|
|
{
|
|
freq = GetConfigValueInt(NULL, "frequency", SWMIXER_OUTPUT_RATE);
|
|
if(freq < 8000) freq = 8000;
|
|
}
|
|
|
|
attrIdx = 0;
|
|
while(attrList[attrIdx])
|
|
{
|
|
if(attrList[attrIdx] == ALC_FORMAT_CHANNELS_SOFT &&
|
|
device->IsLoopbackDevice)
|
|
{
|
|
ALCint val = attrList[attrIdx + 1];
|
|
if(!IsValidChannels(val) || !ChannelsFromDevFmt(val))
|
|
{
|
|
alcSetError(device, ALC_INVALID_VALUE);
|
|
return ALC_FALSE;
|
|
}
|
|
schans = val;
|
|
}
|
|
|
|
if(attrList[attrIdx] == ALC_FORMAT_TYPE_SOFT &&
|
|
device->IsLoopbackDevice)
|
|
{
|
|
ALCint val = attrList[attrIdx + 1];
|
|
if(!IsValidType(val) || !BytesFromDevFmt(val))
|
|
{
|
|
alcSetError(device, ALC_INVALID_VALUE);
|
|
return ALC_FALSE;
|
|
}
|
|
stype = val;
|
|
}
|
|
|
|
if(attrList[attrIdx] == ALC_FREQUENCY)
|
|
{
|
|
if(device->IsLoopbackDevice)
|
|
{
|
|
freq = attrList[attrIdx + 1];
|
|
if(freq < 8000)
|
|
{
|
|
alcSetError(device, ALC_INVALID_VALUE);
|
|
return ALC_FALSE;
|
|
}
|
|
}
|
|
else if(!ConfigValueExists(NULL, "frequency"))
|
|
{
|
|
freq = attrList[attrIdx + 1];
|
|
if(freq < 8000) freq = 8000;
|
|
device->Flags |= DEVICE_FREQUENCY_REQUEST;
|
|
}
|
|
}
|
|
|
|
if(attrList[attrIdx] == ALC_STEREO_SOURCES)
|
|
{
|
|
numStereo = attrList[attrIdx + 1];
|
|
if(numStereo > device->MaxNoOfSources)
|
|
numStereo = device->MaxNoOfSources;
|
|
|
|
numMono = device->MaxNoOfSources - numStereo;
|
|
}
|
|
|
|
if(attrList[attrIdx] == ALC_MAX_AUXILIARY_SENDS &&
|
|
!ConfigValueExists(NULL, "sends"))
|
|
{
|
|
numSends = attrList[attrIdx + 1];
|
|
if(numSends > MAX_SENDS)
|
|
numSends = MAX_SENDS;
|
|
}
|
|
|
|
attrIdx += 2;
|
|
}
|
|
|
|
device->UpdateSize = (ALuint64)device->UpdateSize * freq /
|
|
device->Frequency;
|
|
|
|
device->Frequency = freq;
|
|
device->FmtChans = schans;
|
|
device->FmtType = stype;
|
|
device->NumMonoSources = numMono;
|
|
device->NumStereoSources = numStereo;
|
|
device->NumAuxSends = numSends;
|
|
}
|
|
|
|
if(!device->IsLoopbackDevice && GetConfigValueBool(NULL, "hrtf", AL_FALSE))
|
|
device->Flags |= DEVICE_USE_HRTF;
|
|
|
|
if(running)
|
|
return ALC_TRUE;
|
|
if(ALCdevice_ResetPlayback(device) == ALC_FALSE)
|
|
return ALC_FALSE;
|
|
|
|
aluInitPanning(device);
|
|
|
|
for(i = 0;i < MAXCHANNELS;i++)
|
|
{
|
|
device->ClickRemoval[i] = 0.0f;
|
|
device->PendingClicks[i] = 0.0f;
|
|
}
|
|
|
|
for(i = 0;i < device->NumContexts;i++)
|
|
{
|
|
ALCcontext *context = device->Contexts[i];
|
|
ALsizei pos;
|
|
|
|
SuspendContext(context);
|
|
for(pos = 0;pos < context->EffectSlotMap.size;pos++)
|
|
{
|
|
ALeffectslot *slot = context->EffectSlotMap.array[pos].value;
|
|
|
|
if(ALEffect_DeviceUpdate(slot->EffectState, device) == AL_FALSE)
|
|
{
|
|
ProcessContext(context);
|
|
return ALC_FALSE;
|
|
}
|
|
ALEffect_Update(slot->EffectState, context, &slot->effect);
|
|
}
|
|
|
|
for(pos = 0;pos < context->SourceMap.size;pos++)
|
|
{
|
|
ALsource *source = context->SourceMap.array[pos].value;
|
|
ALuint s = device->NumAuxSends;
|
|
while(s < MAX_SENDS)
|
|
{
|
|
if(source->Send[s].Slot)
|
|
source->Send[s].Slot->refcount--;
|
|
source->Send[s].Slot = NULL;
|
|
source->Send[s].WetFilter.type = 0;
|
|
source->Send[s].WetFilter.filter = 0;
|
|
s++;
|
|
}
|
|
source->NeedsUpdate = AL_TRUE;
|
|
}
|
|
ProcessContext(context);
|
|
}
|
|
|
|
if(device->FmtChans != DevFmtStereo || device->Frequency != 44100)
|
|
{
|
|
if((device->Flags&DEVICE_USE_HRTF))
|
|
AL_PRINT("HRTF disabled (format is not 44100hz stereo)\n");
|
|
device->Flags &= ~DEVICE_USE_HRTF;
|
|
}
|
|
|
|
if(!(device->Flags&DEVICE_USE_HRTF) && device->Bs2bLevel > 0 && device->Bs2bLevel <= 6)
|
|
{
|
|
if(!device->Bs2b)
|
|
{
|
|
device->Bs2b = calloc(1, sizeof(*device->Bs2b));
|
|
bs2b_clear(device->Bs2b);
|
|
}
|
|
bs2b_set_srate(device->Bs2b, device->Frequency);
|
|
bs2b_set_level(device->Bs2b, device->Bs2bLevel);
|
|
}
|
|
else
|
|
{
|
|
free(device->Bs2b);
|
|
device->Bs2b = NULL;
|
|
}
|
|
|
|
device->HeadDampen = 0.0f;
|
|
if(!(device->Flags&DEVICE_USE_HRTF) && ChannelsFromDevFmt(device->FmtChans) <= 2)
|
|
{
|
|
device->HeadDampen = GetConfigValueFloat(NULL, "head_dampen", DEFAULT_HEAD_DAMPEN);
|
|
device->HeadDampen = __min(device->HeadDampen, 1.0f);
|
|
device->HeadDampen = __max(device->HeadDampen, 0.0f);
|
|
}
|
|
|
|
return ALC_TRUE;
|
|
}
|
|
|
|
|
|
/*
|
|
SuspendContext
|
|
|
|
Thread-safe entry
|
|
*/
|
|
ALCvoid SuspendContext(ALCcontext *pContext)
|
|
{
|
|
(void)pContext;
|
|
EnterCriticalSection(&g_csMutex);
|
|
}
|
|
|
|
|
|
/*
|
|
ProcessContext
|
|
|
|
Thread-safe exit
|
|
*/
|
|
ALCvoid ProcessContext(ALCcontext *pContext)
|
|
{
|
|
(void)pContext;
|
|
LeaveCriticalSection(&g_csMutex);
|
|
}
|
|
|
|
|
|
/*
|
|
GetContextSuspended
|
|
|
|
Returns the currently active Context, in a locked state
|
|
*/
|
|
ALCcontext *GetContextSuspended(void)
|
|
{
|
|
ALCcontext *pContext = NULL;
|
|
|
|
SuspendContext(NULL);
|
|
|
|
pContext = tls_get(LocalContext);
|
|
if(pContext && !IsContext(pContext))
|
|
{
|
|
tls_set(LocalContext, NULL);
|
|
pContext = NULL;
|
|
}
|
|
if(!pContext)
|
|
pContext = GlobalContext;
|
|
|
|
if(pContext)
|
|
SuspendContext(pContext);
|
|
|
|
ProcessContext(NULL);
|
|
|
|
return pContext;
|
|
}
|
|
|
|
|
|
/*
|
|
InitContext
|
|
|
|
Initialize Context variables
|
|
*/
|
|
static ALvoid InitContext(ALCcontext *pContext)
|
|
{
|
|
//Initialise listener
|
|
pContext->Listener.Gain = 1.0f;
|
|
pContext->Listener.MetersPerUnit = 1.0f;
|
|
pContext->Listener.Position[0] = 0.0f;
|
|
pContext->Listener.Position[1] = 0.0f;
|
|
pContext->Listener.Position[2] = 0.0f;
|
|
pContext->Listener.Velocity[0] = 0.0f;
|
|
pContext->Listener.Velocity[1] = 0.0f;
|
|
pContext->Listener.Velocity[2] = 0.0f;
|
|
pContext->Listener.Forward[0] = 0.0f;
|
|
pContext->Listener.Forward[1] = 0.0f;
|
|
pContext->Listener.Forward[2] = -1.0f;
|
|
pContext->Listener.Up[0] = 0.0f;
|
|
pContext->Listener.Up[1] = 1.0f;
|
|
pContext->Listener.Up[2] = 0.0f;
|
|
|
|
//Validate pContext
|
|
pContext->LastError = AL_NO_ERROR;
|
|
pContext->Suspended = AL_FALSE;
|
|
pContext->ActiveSourceCount = 0;
|
|
InitUIntMap(&pContext->SourceMap);
|
|
InitUIntMap(&pContext->EffectSlotMap);
|
|
|
|
//Set globals
|
|
pContext->DistanceModel = AL_INVERSE_DISTANCE_CLAMPED;
|
|
pContext->SourceDistanceModel = AL_FALSE;
|
|
pContext->DopplerFactor = 1.0f;
|
|
pContext->DopplerVelocity = 1.0f;
|
|
pContext->flSpeedOfSound = SPEEDOFSOUNDMETRESPERSEC;
|
|
|
|
pContext->ExtensionList = alExtList;
|
|
}
|
|
|
|
|
|
/*
|
|
ExitContext
|
|
|
|
Clean up Context, destroy any remaining Sources
|
|
*/
|
|
static ALCvoid ExitContext(ALCcontext *pContext)
|
|
{
|
|
//Invalidate context
|
|
pContext->LastError = AL_NO_ERROR;
|
|
}
|
|
|
|
///////////////////////////////////////////////////////
|
|
|
|
|
|
///////////////////////////////////////////////////////
|
|
// ALC Functions calls
|
|
|
|
|
|
// This should probably move to another c file but for now ...
|
|
ALC_API ALCdevice* ALC_APIENTRY alcCaptureOpenDevice(const ALCchar *deviceName, ALCuint frequency, ALCenum format, ALCsizei SampleSize)
|
|
{
|
|
ALCboolean DeviceFound = ALC_FALSE;
|
|
ALCdevice *device = NULL;
|
|
ALCint i;
|
|
|
|
if(SampleSize <= 0)
|
|
{
|
|
alcSetError(NULL, ALC_INVALID_VALUE);
|
|
return NULL;
|
|
}
|
|
|
|
if(deviceName && !deviceName[0])
|
|
deviceName = NULL;
|
|
|
|
device = calloc(1, sizeof(ALCdevice));
|
|
if(!device)
|
|
{
|
|
alcSetError(NULL, ALC_OUT_OF_MEMORY);
|
|
return NULL;
|
|
}
|
|
|
|
//Validate device
|
|
device->Connected = ALC_TRUE;
|
|
device->IsCaptureDevice = AL_TRUE;
|
|
device->IsLoopbackDevice = AL_FALSE;
|
|
|
|
device->szDeviceName = NULL;
|
|
|
|
device->Flags |= DEVICE_FREQUENCY_REQUEST;
|
|
device->Frequency = frequency;
|
|
|
|
device->Flags |= DEVICE_CHANNELS_REQUEST;
|
|
if(DecomposeDevFormat(format, &device->FmtChans, &device->FmtType) == AL_FALSE)
|
|
{
|
|
free(device);
|
|
alcSetError(NULL, ALC_INVALID_ENUM);
|
|
return NULL;
|
|
}
|
|
|
|
device->UpdateSize = SampleSize;
|
|
device->NumUpdates = 1;
|
|
|
|
SuspendContext(NULL);
|
|
for(i = 0;BackendList[i].Init;i++)
|
|
{
|
|
device->Funcs = &BackendList[i].Funcs;
|
|
if(ALCdevice_OpenCapture(device, deviceName))
|
|
{
|
|
device->next = g_pDeviceList;
|
|
g_pDeviceList = device;
|
|
g_ulDeviceCount++;
|
|
|
|
DeviceFound = ALC_TRUE;
|
|
break;
|
|
}
|
|
}
|
|
ProcessContext(NULL);
|
|
|
|
if(!DeviceFound)
|
|
{
|
|
alcSetError(NULL, ALC_INVALID_VALUE);
|
|
free(device);
|
|
device = NULL;
|
|
}
|
|
|
|
return device;
|
|
}
|
|
|
|
ALC_API ALCboolean ALC_APIENTRY alcCaptureCloseDevice(ALCdevice *pDevice)
|
|
{
|
|
ALCdevice **list;
|
|
|
|
if(!IsDevice(pDevice) || !pDevice->IsCaptureDevice)
|
|
{
|
|
alcSetError(pDevice, ALC_INVALID_DEVICE);
|
|
return ALC_FALSE;
|
|
}
|
|
|
|
SuspendContext(NULL);
|
|
|
|
list = &g_pDeviceList;
|
|
while(*list != pDevice)
|
|
list = &(*list)->next;
|
|
|
|
*list = (*list)->next;
|
|
g_ulDeviceCount--;
|
|
|
|
ProcessContext(NULL);
|
|
|
|
ALCdevice_CloseCapture(pDevice);
|
|
|
|
free(pDevice->szDeviceName);
|
|
pDevice->szDeviceName = NULL;
|
|
|
|
free(pDevice);
|
|
|
|
return ALC_TRUE;
|
|
}
|
|
|
|
ALC_API void ALC_APIENTRY alcCaptureStart(ALCdevice *device)
|
|
{
|
|
SuspendContext(NULL);
|
|
if(!IsDevice(device) || !device->IsCaptureDevice)
|
|
alcSetError(device, ALC_INVALID_DEVICE);
|
|
else if(device->Connected)
|
|
ALCdevice_StartCapture(device);
|
|
ProcessContext(NULL);
|
|
}
|
|
|
|
ALC_API void ALC_APIENTRY alcCaptureStop(ALCdevice *device)
|
|
{
|
|
SuspendContext(NULL);
|
|
if(!IsDevice(device) || !device->IsCaptureDevice)
|
|
alcSetError(device, ALC_INVALID_DEVICE);
|
|
else
|
|
ALCdevice_StopCapture(device);
|
|
ProcessContext(NULL);
|
|
}
|
|
|
|
ALC_API void ALC_APIENTRY alcCaptureSamples(ALCdevice *device, ALCvoid *buffer, ALCsizei samples)
|
|
{
|
|
SuspendContext(NULL);
|
|
if(!IsDevice(device) || !device->IsCaptureDevice)
|
|
alcSetError(device, ALC_INVALID_DEVICE);
|
|
else
|
|
ALCdevice_CaptureSamples(device, buffer, samples);
|
|
ProcessContext(NULL);
|
|
}
|
|
|
|
/*
|
|
alcGetError
|
|
|
|
Return last ALC generated error code
|
|
*/
|
|
ALC_API ALCenum ALC_APIENTRY alcGetError(ALCdevice *device)
|
|
{
|
|
ALCenum errorCode;
|
|
|
|
if(IsDevice(device))
|
|
{
|
|
errorCode = device->LastError;
|
|
device->LastError = ALC_NO_ERROR;
|
|
}
|
|
else
|
|
{
|
|
errorCode = g_eLastNullDeviceError;
|
|
g_eLastNullDeviceError = ALC_NO_ERROR;
|
|
}
|
|
return errorCode;
|
|
}
|
|
|
|
|
|
/*
|
|
alcSuspendContext
|
|
|
|
Not functional
|
|
*/
|
|
ALC_API ALCvoid ALC_APIENTRY alcSuspendContext(ALCcontext *pContext)
|
|
{
|
|
SuspendContext(NULL);
|
|
if(IsContext(pContext))
|
|
pContext->Suspended = AL_TRUE;
|
|
ProcessContext(NULL);
|
|
}
|
|
|
|
|
|
/*
|
|
alcProcessContext
|
|
|
|
Not functional
|
|
*/
|
|
ALC_API ALCvoid ALC_APIENTRY alcProcessContext(ALCcontext *pContext)
|
|
{
|
|
SuspendContext(NULL);
|
|
if(IsContext(pContext))
|
|
pContext->Suspended = AL_FALSE;
|
|
ProcessContext(NULL);
|
|
}
|
|
|
|
|
|
/*
|
|
alcGetString
|
|
|
|
Returns information about the Device, and error strings
|
|
*/
|
|
ALC_API const ALCchar* ALC_APIENTRY alcGetString(ALCdevice *pDevice,ALCenum param)
|
|
{
|
|
const ALCchar *value = NULL;
|
|
|
|
switch (param)
|
|
{
|
|
case ALC_NO_ERROR:
|
|
value = alcNoError;
|
|
break;
|
|
|
|
case ALC_INVALID_ENUM:
|
|
value = alcErrInvalidEnum;
|
|
break;
|
|
|
|
case ALC_INVALID_VALUE:
|
|
value = alcErrInvalidValue;
|
|
break;
|
|
|
|
case ALC_INVALID_DEVICE:
|
|
value = alcErrInvalidDevice;
|
|
break;
|
|
|
|
case ALC_INVALID_CONTEXT:
|
|
value = alcErrInvalidContext;
|
|
break;
|
|
|
|
case ALC_OUT_OF_MEMORY:
|
|
value = alcErrOutOfMemory;
|
|
break;
|
|
|
|
case ALC_DEVICE_SPECIFIER:
|
|
if(IsDevice(pDevice))
|
|
value = pDevice->szDeviceName;
|
|
else
|
|
{
|
|
ProbeDeviceList();
|
|
value = alcDeviceList;
|
|
}
|
|
break;
|
|
|
|
case ALC_ALL_DEVICES_SPECIFIER:
|
|
ProbeAllDeviceList();
|
|
value = alcAllDeviceList;
|
|
break;
|
|
|
|
case ALC_CAPTURE_DEVICE_SPECIFIER:
|
|
if(IsDevice(pDevice))
|
|
value = pDevice->szDeviceName;
|
|
else
|
|
{
|
|
ProbeCaptureDeviceList();
|
|
value = alcCaptureDeviceList;
|
|
}
|
|
break;
|
|
|
|
/* Default devices are always first in the list */
|
|
case ALC_DEFAULT_DEVICE_SPECIFIER:
|
|
if(!alcDeviceList)
|
|
ProbeDeviceList();
|
|
|
|
free(alcDefaultDeviceSpecifier);
|
|
alcDefaultDeviceSpecifier = strdup(alcDeviceList ? alcDeviceList : "");
|
|
if(!alcDefaultDeviceSpecifier)
|
|
alcSetError(pDevice, ALC_OUT_OF_MEMORY);
|
|
value = alcDefaultDeviceSpecifier;
|
|
break;
|
|
|
|
case ALC_DEFAULT_ALL_DEVICES_SPECIFIER:
|
|
if(!alcAllDeviceList)
|
|
ProbeAllDeviceList();
|
|
|
|
free(alcDefaultAllDeviceSpecifier);
|
|
alcDefaultAllDeviceSpecifier = strdup(alcAllDeviceList ?
|
|
alcAllDeviceList : "");
|
|
if(!alcDefaultAllDeviceSpecifier)
|
|
alcSetError(pDevice, ALC_OUT_OF_MEMORY);
|
|
value = alcDefaultAllDeviceSpecifier;
|
|
break;
|
|
|
|
case ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER:
|
|
if(!alcCaptureDeviceList)
|
|
ProbeCaptureDeviceList();
|
|
|
|
free(alcCaptureDefaultDeviceSpecifier);
|
|
alcCaptureDefaultDeviceSpecifier = strdup(alcCaptureDeviceList ?
|
|
alcCaptureDeviceList : "");
|
|
if(!alcCaptureDefaultDeviceSpecifier)
|
|
alcSetError(pDevice, ALC_OUT_OF_MEMORY);
|
|
value = alcCaptureDefaultDeviceSpecifier;
|
|
break;
|
|
|
|
case ALC_EXTENSIONS:
|
|
if(IsDevice(pDevice))
|
|
value = alcExtensionList;
|
|
else
|
|
value = alcNoDeviceExtList;
|
|
break;
|
|
|
|
default:
|
|
alcSetError(pDevice, ALC_INVALID_ENUM);
|
|
break;
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
|
|
/*
|
|
alcGetIntegerv
|
|
|
|
Returns information about the Device and the version of Open AL
|
|
*/
|
|
ALC_API ALCvoid ALC_APIENTRY alcGetIntegerv(ALCdevice *device,ALCenum param,ALsizei size,ALCint *data)
|
|
{
|
|
if(size == 0 || data == NULL)
|
|
{
|
|
alcSetError(device, ALC_INVALID_VALUE);
|
|
return;
|
|
}
|
|
|
|
if(IsDevice(device) && device->IsCaptureDevice)
|
|
{
|
|
SuspendContext(NULL);
|
|
|
|
// Capture device
|
|
switch (param)
|
|
{
|
|
case ALC_CAPTURE_SAMPLES:
|
|
*data = ALCdevice_AvailableSamples(device);
|
|
break;
|
|
|
|
case ALC_CONNECTED:
|
|
*data = device->Connected;
|
|
break;
|
|
|
|
default:
|
|
alcSetError(device, ALC_INVALID_ENUM);
|
|
break;
|
|
}
|
|
|
|
ProcessContext(NULL);
|
|
return;
|
|
}
|
|
|
|
// Playback Device
|
|
switch (param)
|
|
{
|
|
case ALC_MAJOR_VERSION:
|
|
*data = alcMajorVersion;
|
|
break;
|
|
|
|
case ALC_MINOR_VERSION:
|
|
*data = alcMinorVersion;
|
|
break;
|
|
|
|
case ALC_EFX_MAJOR_VERSION:
|
|
*data = alcEFXMajorVersion;
|
|
break;
|
|
|
|
case ALC_EFX_MINOR_VERSION:
|
|
*data = alcEFXMinorVersion;
|
|
break;
|
|
|
|
case ALC_MAX_AUXILIARY_SENDS:
|
|
if(!IsDevice(device))
|
|
alcSetError(device, ALC_INVALID_DEVICE);
|
|
else
|
|
*data = device->NumAuxSends;
|
|
break;
|
|
|
|
case ALC_ATTRIBUTES_SIZE:
|
|
if(!IsDevice(device))
|
|
alcSetError(device, ALC_INVALID_DEVICE);
|
|
else
|
|
*data = 13;
|
|
break;
|
|
|
|
case ALC_ALL_ATTRIBUTES:
|
|
if(!IsDevice(device))
|
|
alcSetError(device, ALC_INVALID_DEVICE);
|
|
else if (size < 13)
|
|
alcSetError(device, ALC_INVALID_VALUE);
|
|
else
|
|
{
|
|
int i = 0;
|
|
|
|
SuspendContext(NULL);
|
|
data[i++] = ALC_FREQUENCY;
|
|
data[i++] = device->Frequency;
|
|
|
|
if(!device->IsLoopbackDevice)
|
|
{
|
|
data[i++] = ALC_REFRESH;
|
|
data[i++] = device->Frequency / device->UpdateSize;
|
|
|
|
data[i++] = ALC_SYNC;
|
|
data[i++] = ALC_FALSE;
|
|
}
|
|
else
|
|
{
|
|
data[i++] = ALC_FORMAT_CHANNELS_SOFT;
|
|
data[i++] = device->FmtChans;
|
|
|
|
data[i++] = ALC_FORMAT_TYPE_SOFT;
|
|
data[i++] = device->FmtType;
|
|
}
|
|
|
|
data[i++] = ALC_MONO_SOURCES;
|
|
data[i++] = device->NumMonoSources;
|
|
|
|
data[i++] = ALC_STEREO_SOURCES;
|
|
data[i++] = device->NumStereoSources;
|
|
|
|
data[i++] = ALC_MAX_AUXILIARY_SENDS;
|
|
data[i++] = device->NumAuxSends;
|
|
|
|
data[i++] = 0;
|
|
ProcessContext(NULL);
|
|
}
|
|
break;
|
|
|
|
case ALC_FREQUENCY:
|
|
if(!IsDevice(device))
|
|
alcSetError(device, ALC_INVALID_DEVICE);
|
|
else
|
|
*data = device->Frequency;
|
|
break;
|
|
|
|
case ALC_REFRESH:
|
|
if(!IsDevice(device) || device->IsLoopbackDevice)
|
|
alcSetError(device, ALC_INVALID_DEVICE);
|
|
else
|
|
*data = device->Frequency / device->UpdateSize;
|
|
break;
|
|
|
|
case ALC_SYNC:
|
|
if(!IsDevice(device) || device->IsLoopbackDevice)
|
|
alcSetError(device, ALC_INVALID_DEVICE);
|
|
else
|
|
*data = ALC_FALSE;
|
|
break;
|
|
|
|
case ALC_FORMAT_CHANNELS_SOFT:
|
|
if(!IsDevice(device) || !device->IsLoopbackDevice)
|
|
alcSetError(device, ALC_INVALID_DEVICE);
|
|
else
|
|
*data = device->FmtChans;
|
|
break;
|
|
|
|
case ALC_FORMAT_TYPE_SOFT:
|
|
if(!IsDevice(device) || !device->IsLoopbackDevice)
|
|
alcSetError(device, ALC_INVALID_DEVICE);
|
|
else
|
|
*data = device->FmtType;
|
|
break;
|
|
|
|
case ALC_MONO_SOURCES:
|
|
if(!IsDevice(device))
|
|
alcSetError(device, ALC_INVALID_DEVICE);
|
|
else
|
|
*data = device->NumMonoSources;
|
|
break;
|
|
|
|
case ALC_STEREO_SOURCES:
|
|
if(!IsDevice(device))
|
|
alcSetError(device, ALC_INVALID_DEVICE);
|
|
else
|
|
*data = device->NumStereoSources;
|
|
break;
|
|
|
|
case ALC_CONNECTED:
|
|
if(!IsDevice(device))
|
|
alcSetError(device, ALC_INVALID_DEVICE);
|
|
else
|
|
*data = device->Connected;
|
|
break;
|
|
|
|
default:
|
|
alcSetError(device, ALC_INVALID_ENUM);
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
alcIsExtensionPresent
|
|
|
|
Determines if there is support for a particular extension
|
|
*/
|
|
ALC_API ALCboolean ALC_APIENTRY alcIsExtensionPresent(ALCdevice *device, const ALCchar *extName)
|
|
{
|
|
ALCboolean bResult = ALC_FALSE;
|
|
const char *ptr;
|
|
size_t len;
|
|
|
|
if(!extName)
|
|
{
|
|
alcSetError(device, ALC_INVALID_VALUE);
|
|
return ALC_FALSE;
|
|
}
|
|
|
|
len = strlen(extName);
|
|
ptr = (IsDevice(device) ? alcExtensionList : alcNoDeviceExtList);
|
|
while(ptr && *ptr)
|
|
{
|
|
if(strncasecmp(ptr, extName, len) == 0 &&
|
|
(ptr[len] == '\0' || isspace(ptr[len])))
|
|
{
|
|
bResult = ALC_TRUE;
|
|
break;
|
|
}
|
|
if((ptr=strchr(ptr, ' ')) != NULL)
|
|
{
|
|
do {
|
|
++ptr;
|
|
} while(isspace(*ptr));
|
|
}
|
|
}
|
|
|
|
return bResult;
|
|
}
|
|
|
|
|
|
/*
|
|
alcGetProcAddress
|
|
|
|
Retrieves the function address for a particular extension function
|
|
*/
|
|
ALC_API ALCvoid* ALC_APIENTRY alcGetProcAddress(ALCdevice *device, const ALCchar *funcName)
|
|
{
|
|
ALsizei i = 0;
|
|
|
|
if(!funcName)
|
|
{
|
|
alcSetError(device, ALC_INVALID_VALUE);
|
|
return NULL;
|
|
}
|
|
|
|
while(alcFunctions[i].funcName && strcmp(alcFunctions[i].funcName,funcName) != 0)
|
|
i++;
|
|
return alcFunctions[i].address;
|
|
}
|
|
|
|
|
|
/*
|
|
alcGetEnumValue
|
|
|
|
Get the value for a particular ALC Enumerated Value
|
|
*/
|
|
ALC_API ALCenum ALC_APIENTRY alcGetEnumValue(ALCdevice *device, const ALCchar *enumName)
|
|
{
|
|
ALsizei i = 0;
|
|
|
|
if(!enumName)
|
|
{
|
|
alcSetError(device, ALC_INVALID_VALUE);
|
|
return (ALCenum)0;
|
|
}
|
|
|
|
while(enumeration[i].enumName && strcmp(enumeration[i].enumName,enumName) != 0)
|
|
i++;
|
|
return enumeration[i].value;
|
|
}
|
|
|
|
|
|
/*
|
|
alcCreateContext
|
|
|
|
Create and attach a Context to a particular Device.
|
|
*/
|
|
ALC_API ALCcontext* ALC_APIENTRY alcCreateContext(ALCdevice *device, const ALCint *attrList)
|
|
{
|
|
ALCcontext *ALContext;
|
|
void *temp;
|
|
|
|
SuspendContext(NULL);
|
|
if(!IsDevice(device) || device->IsCaptureDevice || !device->Connected)
|
|
{
|
|
alcSetError(device, ALC_INVALID_DEVICE);
|
|
ProcessContext(NULL);
|
|
return NULL;
|
|
}
|
|
|
|
// Reset Context Last Error code
|
|
device->LastError = ALC_NO_ERROR;
|
|
|
|
if(UpdateDeviceParams(device, attrList) == ALC_FALSE)
|
|
{
|
|
alcSetError(device, ALC_INVALID_DEVICE);
|
|
aluHandleDisconnect(device);
|
|
ProcessContext(NULL);
|
|
ALCdevice_StopPlayback(device);
|
|
return NULL;
|
|
}
|
|
|
|
ALContext = NULL;
|
|
temp = realloc(device->Contexts, (device->NumContexts+1) * sizeof(*device->Contexts));
|
|
if(temp)
|
|
{
|
|
device->Contexts = temp;
|
|
|
|
ALContext = calloc(1, sizeof(ALCcontext));
|
|
if(ALContext)
|
|
{
|
|
ALContext->MaxActiveSources = 256;
|
|
ALContext->ActiveSources = malloc(sizeof(ALContext->ActiveSources[0]) *
|
|
ALContext->MaxActiveSources);
|
|
}
|
|
}
|
|
if(!ALContext || !ALContext->ActiveSources)
|
|
{
|
|
free(ALContext);
|
|
alcSetError(device, ALC_OUT_OF_MEMORY);
|
|
ProcessContext(NULL);
|
|
if(device->NumContexts == 0)
|
|
ALCdevice_StopPlayback(device);
|
|
return NULL;
|
|
}
|
|
|
|
device->Contexts[device->NumContexts++] = ALContext;
|
|
ALContext->Device = device;
|
|
|
|
InitContext(ALContext);
|
|
|
|
ALContext->next = g_pContextList;
|
|
g_pContextList = ALContext;
|
|
g_ulContextCount++;
|
|
|
|
ProcessContext(NULL);
|
|
|
|
return ALContext;
|
|
}
|
|
|
|
|
|
/*
|
|
alcDestroyContext
|
|
|
|
Remove a Context
|
|
*/
|
|
ALC_API ALCvoid ALC_APIENTRY alcDestroyContext(ALCcontext *context)
|
|
{
|
|
ALCdevice *Device;
|
|
ALCcontext **list;
|
|
ALuint i;
|
|
|
|
SuspendContext(NULL);
|
|
if(!IsContext(context))
|
|
{
|
|
alcSetError(NULL, ALC_INVALID_CONTEXT);
|
|
ProcessContext(NULL);
|
|
return;
|
|
}
|
|
|
|
list = &g_pContextList;
|
|
while(*list != context)
|
|
list = &(*list)->next;
|
|
|
|
*list = (*list)->next;
|
|
g_ulContextCount--;
|
|
|
|
Device = context->Device;
|
|
if(Device->NumContexts == 1)
|
|
{
|
|
ProcessContext(NULL);
|
|
ALCdevice_StopPlayback(Device);
|
|
SuspendContext(NULL);
|
|
}
|
|
|
|
if(context == GlobalContext)
|
|
GlobalContext = NULL;
|
|
|
|
for(i = 0;i < Device->NumContexts;i++)
|
|
{
|
|
if(Device->Contexts[i] == context)
|
|
{
|
|
Device->Contexts[i] = Device->Contexts[Device->NumContexts-1];
|
|
Device->NumContexts--;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// Lock context
|
|
SuspendContext(context);
|
|
|
|
if(context->SourceMap.size > 0)
|
|
{
|
|
#ifdef _DEBUG
|
|
AL_PRINT("alcDestroyContext(): deleting %d Source(s)\n", context->SourceMap.size);
|
|
#endif
|
|
ReleaseALSources(context);
|
|
}
|
|
ResetUIntMap(&context->SourceMap);
|
|
|
|
if(context->EffectSlotMap.size > 0)
|
|
{
|
|
#ifdef _DEBUG
|
|
AL_PRINT("alcDestroyContext(): deleting %d AuxiliaryEffectSlot(s)\n", context->EffectSlotMap.size);
|
|
#endif
|
|
ReleaseALAuxiliaryEffectSlots(context);
|
|
}
|
|
ResetUIntMap(&context->EffectSlotMap);
|
|
|
|
free(context->ActiveSources);
|
|
context->ActiveSources = NULL;
|
|
context->MaxActiveSources = 0;
|
|
context->ActiveSourceCount = 0;
|
|
|
|
// Unlock context
|
|
ProcessContext(context);
|
|
ProcessContext(NULL);
|
|
|
|
ExitContext(context);
|
|
|
|
// Free memory (MUST do this after ProcessContext)
|
|
memset(context, 0, sizeof(ALCcontext));
|
|
free(context);
|
|
}
|
|
|
|
|
|
/*
|
|
alcGetCurrentContext
|
|
|
|
Returns the currently active Context
|
|
*/
|
|
ALC_API ALCcontext* ALC_APIENTRY alcGetCurrentContext(ALCvoid)
|
|
{
|
|
ALCcontext *pContext;
|
|
|
|
if((pContext=GetContextSuspended()) != NULL)
|
|
ProcessContext(pContext);
|
|
|
|
return pContext;
|
|
}
|
|
|
|
/*
|
|
alcGetThreadContext
|
|
|
|
Returns the currently active thread-local Context
|
|
*/
|
|
ALC_API ALCcontext* ALC_APIENTRY alcGetThreadContext(void)
|
|
{
|
|
ALCcontext *pContext = NULL;
|
|
|
|
SuspendContext(NULL);
|
|
|
|
pContext = tls_get(LocalContext);
|
|
if(pContext && !IsContext(pContext))
|
|
{
|
|
tls_set(LocalContext, NULL);
|
|
pContext = NULL;
|
|
}
|
|
|
|
ProcessContext(NULL);
|
|
|
|
return pContext;
|
|
}
|
|
|
|
|
|
/*
|
|
alcGetContextsDevice
|
|
|
|
Returns the Device that a particular Context is attached to
|
|
*/
|
|
ALC_API ALCdevice* ALC_APIENTRY alcGetContextsDevice(ALCcontext *pContext)
|
|
{
|
|
ALCdevice *pDevice = NULL;
|
|
|
|
SuspendContext(NULL);
|
|
if(IsContext(pContext))
|
|
pDevice = pContext->Device;
|
|
else
|
|
alcSetError(NULL, ALC_INVALID_CONTEXT);
|
|
ProcessContext(NULL);
|
|
|
|
return pDevice;
|
|
}
|
|
|
|
|
|
/*
|
|
alcMakeContextCurrent
|
|
|
|
Makes the given Context the active Context
|
|
*/
|
|
ALC_API ALCboolean ALC_APIENTRY alcMakeContextCurrent(ALCcontext *context)
|
|
{
|
|
ALboolean bReturn = AL_TRUE;
|
|
|
|
SuspendContext(NULL);
|
|
|
|
// context must be a valid Context or NULL
|
|
if(context == NULL || IsContext(context))
|
|
{
|
|
GlobalContext = context;
|
|
tls_set(LocalContext, NULL);
|
|
}
|
|
else
|
|
{
|
|
alcSetError(NULL, ALC_INVALID_CONTEXT);
|
|
bReturn = AL_FALSE;
|
|
}
|
|
|
|
ProcessContext(NULL);
|
|
|
|
return bReturn;
|
|
}
|
|
|
|
/*
|
|
alcSetThreadContext
|
|
|
|
Makes the given Context the active Context for the current thread
|
|
*/
|
|
ALC_API ALCboolean ALC_APIENTRY alcSetThreadContext(ALCcontext *context)
|
|
{
|
|
ALboolean bReturn = AL_TRUE;
|
|
|
|
SuspendContext(NULL);
|
|
|
|
// context must be a valid Context or NULL
|
|
if(context == NULL || IsContext(context))
|
|
tls_set(LocalContext, context);
|
|
else
|
|
{
|
|
alcSetError(NULL, ALC_INVALID_CONTEXT);
|
|
bReturn = AL_FALSE;
|
|
}
|
|
|
|
ProcessContext(NULL);
|
|
|
|
return bReturn;
|
|
}
|
|
|
|
|
|
// Sets the default channel order used by most non-WaveFormatEx-based APIs
|
|
void SetDefaultChannelOrder(ALCdevice *device)
|
|
{
|
|
switch(device->FmtChans)
|
|
{
|
|
case DevFmtMono: device->DevChannels[FRONT_CENTER] = 0; break;
|
|
|
|
case DevFmtStereo: device->DevChannels[FRONT_LEFT] = 0;
|
|
device->DevChannels[FRONT_RIGHT] = 1; break;
|
|
|
|
case DevFmtQuad: device->DevChannels[FRONT_LEFT] = 0;
|
|
device->DevChannels[FRONT_RIGHT] = 1;
|
|
device->DevChannels[BACK_LEFT] = 2;
|
|
device->DevChannels[BACK_RIGHT] = 3; break;
|
|
|
|
case DevFmtX51: device->DevChannels[FRONT_LEFT] = 0;
|
|
device->DevChannels[FRONT_RIGHT] = 1;
|
|
device->DevChannels[BACK_LEFT] = 2;
|
|
device->DevChannels[BACK_RIGHT] = 3;
|
|
device->DevChannels[FRONT_CENTER] = 4;
|
|
device->DevChannels[LFE] = 5; break;
|
|
|
|
case DevFmtX61: device->DevChannels[FRONT_LEFT] = 0;
|
|
device->DevChannels[FRONT_RIGHT] = 1;
|
|
device->DevChannels[FRONT_CENTER] = 2;
|
|
device->DevChannels[LFE] = 3;
|
|
device->DevChannels[BACK_CENTER] = 4;
|
|
device->DevChannels[SIDE_LEFT] = 5;
|
|
device->DevChannels[SIDE_RIGHT] = 6; break;
|
|
|
|
case DevFmtX71: device->DevChannels[FRONT_LEFT] = 0;
|
|
device->DevChannels[FRONT_RIGHT] = 1;
|
|
device->DevChannels[BACK_LEFT] = 2;
|
|
device->DevChannels[BACK_RIGHT] = 3;
|
|
device->DevChannels[FRONT_CENTER] = 4;
|
|
device->DevChannels[LFE] = 5;
|
|
device->DevChannels[SIDE_LEFT] = 6;
|
|
device->DevChannels[SIDE_RIGHT] = 7; break;
|
|
}
|
|
}
|
|
// Sets the default order used by WaveFormatEx
|
|
void SetDefaultWFXChannelOrder(ALCdevice *device)
|
|
{
|
|
switch(device->FmtChans)
|
|
{
|
|
case DevFmtMono: device->DevChannels[FRONT_CENTER] = 0; break;
|
|
|
|
case DevFmtStereo: device->DevChannels[FRONT_LEFT] = 0;
|
|
device->DevChannels[FRONT_RIGHT] = 1; break;
|
|
|
|
case DevFmtQuad: device->DevChannels[FRONT_LEFT] = 0;
|
|
device->DevChannels[FRONT_RIGHT] = 1;
|
|
device->DevChannels[BACK_LEFT] = 2;
|
|
device->DevChannels[BACK_RIGHT] = 3; break;
|
|
|
|
case DevFmtX51: device->DevChannels[FRONT_LEFT] = 0;
|
|
device->DevChannels[FRONT_RIGHT] = 1;
|
|
device->DevChannels[FRONT_CENTER] = 2;
|
|
device->DevChannels[LFE] = 3;
|
|
device->DevChannels[BACK_LEFT] = 4;
|
|
device->DevChannels[BACK_RIGHT] = 5; break;
|
|
|
|
case DevFmtX61: device->DevChannels[FRONT_LEFT] = 0;
|
|
device->DevChannels[FRONT_RIGHT] = 1;
|
|
device->DevChannels[FRONT_CENTER] = 2;
|
|
device->DevChannels[LFE] = 3;
|
|
device->DevChannels[BACK_CENTER] = 4;
|
|
device->DevChannels[SIDE_LEFT] = 5;
|
|
device->DevChannels[SIDE_RIGHT] = 6; break;
|
|
|
|
case DevFmtX71: device->DevChannels[FRONT_LEFT] = 0;
|
|
device->DevChannels[FRONT_RIGHT] = 1;
|
|
device->DevChannels[FRONT_CENTER] = 2;
|
|
device->DevChannels[LFE] = 3;
|
|
device->DevChannels[BACK_LEFT] = 4;
|
|
device->DevChannels[BACK_RIGHT] = 5;
|
|
device->DevChannels[SIDE_LEFT] = 6;
|
|
device->DevChannels[SIDE_RIGHT] = 7; break;
|
|
}
|
|
}
|
|
|
|
static ALenum GetFormatFromString(const char *str)
|
|
{
|
|
if(strcasecmp(str, "AL_FORMAT_MONO32") == 0) return AL_FORMAT_MONO_FLOAT32;
|
|
if(strcasecmp(str, "AL_FORMAT_STEREO32") == 0) return AL_FORMAT_STEREO_FLOAT32;
|
|
if(strcasecmp(str, "AL_FORMAT_QUAD32") == 0) return AL_FORMAT_QUAD32;
|
|
if(strcasecmp(str, "AL_FORMAT_51CHN32") == 0) return AL_FORMAT_51CHN32;
|
|
if(strcasecmp(str, "AL_FORMAT_61CHN32") == 0) return AL_FORMAT_61CHN32;
|
|
if(strcasecmp(str, "AL_FORMAT_71CHN32") == 0) return AL_FORMAT_71CHN32;
|
|
|
|
if(strcasecmp(str, "AL_FORMAT_MONO16") == 0) return AL_FORMAT_MONO16;
|
|
if(strcasecmp(str, "AL_FORMAT_STEREO16") == 0) return AL_FORMAT_STEREO16;
|
|
if(strcasecmp(str, "AL_FORMAT_QUAD16") == 0) return AL_FORMAT_QUAD16;
|
|
if(strcasecmp(str, "AL_FORMAT_51CHN16") == 0) return AL_FORMAT_51CHN16;
|
|
if(strcasecmp(str, "AL_FORMAT_61CHN16") == 0) return AL_FORMAT_61CHN16;
|
|
if(strcasecmp(str, "AL_FORMAT_71CHN16") == 0) return AL_FORMAT_71CHN16;
|
|
|
|
if(strcasecmp(str, "AL_FORMAT_MONO8") == 0) return AL_FORMAT_MONO8;
|
|
if(strcasecmp(str, "AL_FORMAT_STEREO8") == 0) return AL_FORMAT_STEREO8;
|
|
if(strcasecmp(str, "AL_FORMAT_QUAD8") == 0) return AL_FORMAT_QUAD8;
|
|
if(strcasecmp(str, "AL_FORMAT_51CHN8") == 0) return AL_FORMAT_51CHN8;
|
|
if(strcasecmp(str, "AL_FORMAT_61CHN8") == 0) return AL_FORMAT_61CHN8;
|
|
if(strcasecmp(str, "AL_FORMAT_71CHN8") == 0) return AL_FORMAT_71CHN8;
|
|
|
|
AL_PRINT("Unknown format: \"%s\"\n", str);
|
|
return AL_FORMAT_STEREO16;
|
|
}
|
|
|
|
/*
|
|
alcOpenDevice
|
|
|
|
Open the Device specified.
|
|
*/
|
|
ALC_API ALCdevice* ALC_APIENTRY alcOpenDevice(const ALCchar *deviceName)
|
|
{
|
|
ALboolean bDeviceFound = AL_FALSE;
|
|
const ALCchar *fmt;
|
|
ALCdevice *device;
|
|
ALint i;
|
|
|
|
if(deviceName && !deviceName[0])
|
|
deviceName = NULL;
|
|
|
|
device = calloc(1, sizeof(ALCdevice));
|
|
if(!device)
|
|
{
|
|
alcSetError(NULL, ALC_OUT_OF_MEMORY);
|
|
return NULL;
|
|
}
|
|
|
|
//Validate device
|
|
device->Connected = ALC_TRUE;
|
|
device->IsCaptureDevice = AL_FALSE;
|
|
device->IsLoopbackDevice = AL_FALSE;
|
|
device->LastError = ALC_NO_ERROR;
|
|
|
|
device->Flags = 0;
|
|
device->Bs2b = NULL;
|
|
device->szDeviceName = NULL;
|
|
|
|
device->Contexts = NULL;
|
|
device->NumContexts = 0;
|
|
|
|
InitUIntMap(&device->BufferMap);
|
|
InitUIntMap(&device->EffectMap);
|
|
InitUIntMap(&device->FilterMap);
|
|
InitUIntMap(&device->DatabufferMap);
|
|
|
|
//Set output format
|
|
if(ConfigValueExists(NULL, "frequency"))
|
|
device->Flags |= DEVICE_FREQUENCY_REQUEST;
|
|
device->Frequency = GetConfigValueInt(NULL, "frequency", SWMIXER_OUTPUT_RATE);
|
|
if(device->Frequency < 8000)
|
|
device->Frequency = 8000;
|
|
|
|
if(ConfigValueExists(NULL, "format"))
|
|
device->Flags |= DEVICE_CHANNELS_REQUEST;
|
|
fmt = GetConfigValue(NULL, "format", "AL_FORMAT_STEREO16");
|
|
if(DecomposeDevFormat(GetFormatFromString(fmt),
|
|
&device->FmtChans, &device->FmtType) == AL_FALSE)
|
|
{
|
|
/* Should never happen... */
|
|
device->FmtChans = DevFmtStereo;
|
|
device->FmtType = DevFmtShort;
|
|
}
|
|
|
|
device->NumUpdates = GetConfigValueInt(NULL, "periods", 4);
|
|
if(device->NumUpdates < 2)
|
|
device->NumUpdates = 4;
|
|
|
|
device->UpdateSize = GetConfigValueInt(NULL, "period_size", 1024);
|
|
if(device->UpdateSize <= 0)
|
|
device->UpdateSize = 1024;
|
|
|
|
device->MaxNoOfSources = GetConfigValueInt(NULL, "sources", 256);
|
|
if((ALint)device->MaxNoOfSources <= 0)
|
|
device->MaxNoOfSources = 256;
|
|
|
|
device->AuxiliaryEffectSlotMax = GetConfigValueInt(NULL, "slots", 4);
|
|
if((ALint)device->AuxiliaryEffectSlotMax <= 0)
|
|
device->AuxiliaryEffectSlotMax = 4;
|
|
|
|
device->NumStereoSources = 1;
|
|
device->NumMonoSources = device->MaxNoOfSources - device->NumStereoSources;
|
|
|
|
device->NumAuxSends = GetConfigValueInt(NULL, "sends", 1);
|
|
if(device->NumAuxSends > MAX_SENDS)
|
|
device->NumAuxSends = MAX_SENDS;
|
|
|
|
device->Bs2bLevel = GetConfigValueInt(NULL, "cf_level", 0);
|
|
|
|
if(GetConfigValueBool(NULL, "stereodup", AL_TRUE))
|
|
device->Flags |= DEVICE_DUPLICATE_STEREO;
|
|
|
|
device->HeadDampen = 0.0f;
|
|
|
|
// Find a playback device to open
|
|
SuspendContext(NULL);
|
|
for(i = 0;BackendList[i].Init;i++)
|
|
{
|
|
device->Funcs = &BackendList[i].Funcs;
|
|
if(ALCdevice_OpenPlayback(device, deviceName))
|
|
{
|
|
device->next = g_pDeviceList;
|
|
g_pDeviceList = device;
|
|
g_ulDeviceCount++;
|
|
|
|
bDeviceFound = AL_TRUE;
|
|
break;
|
|
}
|
|
}
|
|
ProcessContext(NULL);
|
|
|
|
if(!bDeviceFound)
|
|
{
|
|
// No suitable output device found
|
|
alcSetError(NULL, ALC_INVALID_VALUE);
|
|
free(device);
|
|
device = NULL;
|
|
}
|
|
|
|
return device;
|
|
}
|
|
|
|
|
|
/*
|
|
alcCloseDevice
|
|
|
|
Close the specified Device
|
|
*/
|
|
ALC_API ALCboolean ALC_APIENTRY alcCloseDevice(ALCdevice *pDevice)
|
|
{
|
|
ALCdevice **list;
|
|
|
|
SuspendContext(NULL);
|
|
if(!IsDevice(pDevice) || pDevice->IsCaptureDevice)
|
|
{
|
|
alcSetError(pDevice, ALC_INVALID_DEVICE);
|
|
ProcessContext(NULL);
|
|
return ALC_FALSE;
|
|
}
|
|
|
|
list = &g_pDeviceList;
|
|
while(*list != pDevice)
|
|
list = &(*list)->next;
|
|
|
|
*list = (*list)->next;
|
|
g_ulDeviceCount--;
|
|
|
|
ProcessContext(NULL);
|
|
|
|
if(pDevice->NumContexts > 0)
|
|
{
|
|
#ifdef _DEBUG
|
|
AL_PRINT("alcCloseDevice(): destroying %u Context(s)\n", pDevice->NumContexts);
|
|
#endif
|
|
while(pDevice->NumContexts > 0)
|
|
alcDestroyContext(pDevice->Contexts[0]);
|
|
}
|
|
ALCdevice_ClosePlayback(pDevice);
|
|
|
|
if(pDevice->BufferMap.size > 0)
|
|
{
|
|
#ifdef _DEBUG
|
|
AL_PRINT("alcCloseDevice(): deleting %d Buffer(s)\n", pDevice->BufferMap.size);
|
|
#endif
|
|
ReleaseALBuffers(pDevice);
|
|
}
|
|
ResetUIntMap(&pDevice->BufferMap);
|
|
|
|
if(pDevice->EffectMap.size > 0)
|
|
{
|
|
#ifdef _DEBUG
|
|
AL_PRINT("alcCloseDevice(): deleting %d Effect(s)\n", pDevice->EffectMap.size);
|
|
#endif
|
|
ReleaseALEffects(pDevice);
|
|
}
|
|
ResetUIntMap(&pDevice->EffectMap);
|
|
|
|
if(pDevice->FilterMap.size > 0)
|
|
{
|
|
#ifdef _DEBUG
|
|
AL_PRINT("alcCloseDevice(): deleting %d Filter(s)\n", pDevice->FilterMap.size);
|
|
#endif
|
|
ReleaseALFilters(pDevice);
|
|
}
|
|
ResetUIntMap(&pDevice->FilterMap);
|
|
|
|
if(pDevice->DatabufferMap.size > 0)
|
|
{
|
|
#ifdef _DEBUG
|
|
AL_PRINT("alcCloseDevice(): deleting %d Databuffer(s)\n", pDevice->DatabufferMap.size);
|
|
#endif
|
|
ReleaseALDatabuffers(pDevice);
|
|
}
|
|
ResetUIntMap(&pDevice->DatabufferMap);
|
|
|
|
free(pDevice->Bs2b);
|
|
pDevice->Bs2b = NULL;
|
|
|
|
free(pDevice->szDeviceName);
|
|
pDevice->szDeviceName = NULL;
|
|
|
|
free(pDevice->Contexts);
|
|
pDevice->Contexts = NULL;
|
|
|
|
//Release device structure
|
|
memset(pDevice, 0, sizeof(ALCdevice));
|
|
free(pDevice);
|
|
|
|
return ALC_TRUE;
|
|
}
|
|
|
|
|
|
ALC_API ALCdevice* ALC_APIENTRY alcLoopbackOpenDeviceSOFT(void)
|
|
{
|
|
ALCdevice *device;
|
|
|
|
device = calloc(1, sizeof(ALCdevice));
|
|
if(!device)
|
|
{
|
|
alcSetError(NULL, ALC_OUT_OF_MEMORY);
|
|
return NULL;
|
|
}
|
|
|
|
//Validate device
|
|
device->Connected = ALC_TRUE;
|
|
device->IsCaptureDevice = AL_FALSE;
|
|
device->IsLoopbackDevice = AL_TRUE;
|
|
device->LastError = ALC_NO_ERROR;
|
|
|
|
device->Flags = 0;
|
|
device->Bs2b = NULL;
|
|
device->szDeviceName = NULL;
|
|
|
|
device->Contexts = NULL;
|
|
device->NumContexts = 0;
|
|
|
|
InitUIntMap(&device->BufferMap);
|
|
InitUIntMap(&device->EffectMap);
|
|
InitUIntMap(&device->FilterMap);
|
|
InitUIntMap(&device->DatabufferMap);
|
|
|
|
//Set output format
|
|
device->Frequency = 44100;
|
|
device->FmtChans = DevFmtStereo;
|
|
device->FmtType = DevFmtShort;
|
|
|
|
device->NumUpdates = 0;
|
|
device->UpdateSize = 0;
|
|
|
|
device->MaxNoOfSources = GetConfigValueInt(NULL, "sources", 256);
|
|
if((ALint)device->MaxNoOfSources <= 0)
|
|
device->MaxNoOfSources = 256;
|
|
|
|
device->AuxiliaryEffectSlotMax = GetConfigValueInt(NULL, "slots", 4);
|
|
if((ALint)device->AuxiliaryEffectSlotMax <= 0)
|
|
device->AuxiliaryEffectSlotMax = 4;
|
|
|
|
device->NumStereoSources = 1;
|
|
device->NumMonoSources = device->MaxNoOfSources - device->NumStereoSources;
|
|
|
|
device->NumAuxSends = GetConfigValueInt(NULL, "sends", 1);
|
|
if(device->NumAuxSends > MAX_SENDS)
|
|
device->NumAuxSends = MAX_SENDS;
|
|
|
|
device->Bs2bLevel = GetConfigValueInt(NULL, "cf_level", 0);
|
|
|
|
if(GetConfigValueBool(NULL, "stereodup", AL_TRUE))
|
|
device->Flags |= DEVICE_DUPLICATE_STEREO;
|
|
|
|
device->HeadDampen = 0.0f;
|
|
|
|
// Open the "backend"
|
|
SuspendContext(NULL);
|
|
device->Funcs = &BackendLoopback.Funcs;
|
|
ALCdevice_OpenPlayback(device, "Loopback");
|
|
|
|
device->next = g_pDeviceList;
|
|
g_pDeviceList = device;
|
|
g_ulDeviceCount++;
|
|
ProcessContext(NULL);
|
|
|
|
return device;
|
|
}
|
|
|
|
ALC_API ALCboolean ALC_APIENTRY alcIsRenderFormatSupportedSOFT(ALCdevice *device, ALCsizei freq, ALenum channels, ALenum type)
|
|
{
|
|
ALCboolean ret = ALC_FALSE;
|
|
|
|
SuspendContext(NULL);
|
|
if(!IsDevice(device) || !device->IsLoopbackDevice)
|
|
alcSetError(device, ALC_INVALID_DEVICE);
|
|
else if(freq <= 0)
|
|
alcSetError(device, ALC_INVALID_VALUE);
|
|
else if(IsValidType(type) == AL_FALSE ||
|
|
IsValidChannels(channels) == AL_FALSE)
|
|
alcSetError(device, ALC_INVALID_ENUM);
|
|
else
|
|
{
|
|
if((type == DevFmtByte || type == DevFmtUByte || type == DevFmtShort ||
|
|
type == DevFmtUShort || type == DevFmtFloat) &&
|
|
(channels == DevFmtMono || channels == DevFmtStereo ||
|
|
channels == DevFmtQuad || channels == DevFmtX51 ||
|
|
channels == DevFmtX61 || channels == DevFmtX71) &&
|
|
freq >= 8000)
|
|
ret = ALC_TRUE;
|
|
}
|
|
ProcessContext(NULL);
|
|
|
|
return ret;
|
|
}
|
|
|
|
ALC_API void ALC_APIENTRY alcRenderSamplesSOFT(ALCdevice *device, ALCvoid *buffer, ALCsizei samples)
|
|
{
|
|
SuspendContext(NULL);
|
|
if(!IsDevice(device) || !device->IsLoopbackDevice)
|
|
alcSetError(device, ALC_INVALID_DEVICE);
|
|
else if(samples < 0)
|
|
alcSetError(device, ALC_INVALID_VALUE);
|
|
else
|
|
aluMixData(device, buffer, samples);
|
|
ProcessContext(NULL);
|
|
}
|
|
|
|
|
|
static void ReleaseALC(void)
|
|
{
|
|
free(alcDeviceList); alcDeviceList = NULL;
|
|
alcDeviceListSize = 0;
|
|
free(alcAllDeviceList); alcAllDeviceList = NULL;
|
|
alcAllDeviceListSize = 0;
|
|
free(alcCaptureDeviceList); alcCaptureDeviceList = NULL;
|
|
alcCaptureDeviceListSize = 0;
|
|
|
|
free(alcDefaultDeviceSpecifier);
|
|
alcDefaultDeviceSpecifier = NULL;
|
|
free(alcDefaultAllDeviceSpecifier);
|
|
alcDefaultAllDeviceSpecifier = NULL;
|
|
free(alcCaptureDefaultDeviceSpecifier);
|
|
alcCaptureDefaultDeviceSpecifier = NULL;
|
|
|
|
#ifdef _DEBUG
|
|
if(g_ulDeviceCount > 0)
|
|
AL_PRINT("exit(): closing %u Device%s\n", g_ulDeviceCount, (g_ulDeviceCount>1)?"s":"");
|
|
#endif
|
|
|
|
while(g_pDeviceList)
|
|
{
|
|
if(g_pDeviceList->IsCaptureDevice)
|
|
alcCaptureCloseDevice(g_pDeviceList);
|
|
else
|
|
alcCloseDevice(g_pDeviceList);
|
|
}
|
|
}
|
|
|
|
///////////////////////////////////////////////////////
|