mirror of https://github.com/axmolengine/axmol.git
967 lines
26 KiB
C++
967 lines
26 KiB
C++
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#include "config.h"
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <mutex>
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#include <algorithm>
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#include <array>
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#include "AL/alc.h"
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#include "alstring.h"
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#include "router.h"
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#define DECL(x) { #x, reinterpret_cast<void*>(x) }
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struct FuncExportEntry {
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const char *funcName;
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void *address;
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};
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static const std::array<FuncExportEntry,128> alcFunctions{{
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DECL(alcCreateContext),
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DECL(alcMakeContextCurrent),
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DECL(alcProcessContext),
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DECL(alcSuspendContext),
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DECL(alcDestroyContext),
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DECL(alcGetCurrentContext),
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DECL(alcGetContextsDevice),
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DECL(alcOpenDevice),
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DECL(alcCloseDevice),
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DECL(alcGetError),
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DECL(alcIsExtensionPresent),
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DECL(alcGetProcAddress),
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DECL(alcGetEnumValue),
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DECL(alcGetString),
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DECL(alcGetIntegerv),
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DECL(alcCaptureOpenDevice),
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DECL(alcCaptureCloseDevice),
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DECL(alcCaptureStart),
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DECL(alcCaptureStop),
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DECL(alcCaptureSamples),
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DECL(alcSetThreadContext),
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DECL(alcGetThreadContext),
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DECL(alEnable),
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DECL(alDisable),
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DECL(alIsEnabled),
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DECL(alGetString),
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DECL(alGetBooleanv),
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DECL(alGetIntegerv),
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DECL(alGetFloatv),
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DECL(alGetDoublev),
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DECL(alGetBoolean),
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DECL(alGetInteger),
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DECL(alGetFloat),
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DECL(alGetDouble),
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DECL(alGetError),
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DECL(alIsExtensionPresent),
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DECL(alGetProcAddress),
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DECL(alGetEnumValue),
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DECL(alListenerf),
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DECL(alListener3f),
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DECL(alListenerfv),
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DECL(alListeneri),
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DECL(alListener3i),
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DECL(alListeneriv),
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DECL(alGetListenerf),
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DECL(alGetListener3f),
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DECL(alGetListenerfv),
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DECL(alGetListeneri),
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DECL(alGetListener3i),
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DECL(alGetListeneriv),
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DECL(alGenSources),
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DECL(alDeleteSources),
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DECL(alIsSource),
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DECL(alSourcef),
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DECL(alSource3f),
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DECL(alSourcefv),
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DECL(alSourcei),
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DECL(alSource3i),
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DECL(alSourceiv),
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DECL(alGetSourcef),
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DECL(alGetSource3f),
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DECL(alGetSourcefv),
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DECL(alGetSourcei),
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DECL(alGetSource3i),
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DECL(alGetSourceiv),
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DECL(alSourcePlayv),
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DECL(alSourceStopv),
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DECL(alSourceRewindv),
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DECL(alSourcePausev),
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DECL(alSourcePlay),
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DECL(alSourceStop),
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DECL(alSourceRewind),
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DECL(alSourcePause),
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DECL(alSourceQueueBuffers),
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DECL(alSourceUnqueueBuffers),
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DECL(alGenBuffers),
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DECL(alDeleteBuffers),
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DECL(alIsBuffer),
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DECL(alBufferData),
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DECL(alBufferf),
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DECL(alBuffer3f),
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DECL(alBufferfv),
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DECL(alBufferi),
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DECL(alBuffer3i),
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DECL(alBufferiv),
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DECL(alGetBufferf),
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DECL(alGetBuffer3f),
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DECL(alGetBufferfv),
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DECL(alGetBufferi),
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DECL(alGetBuffer3i),
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DECL(alGetBufferiv),
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DECL(alDopplerFactor),
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DECL(alDopplerVelocity),
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DECL(alSpeedOfSound),
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DECL(alDistanceModel),
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DECL(alGenFilters),
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DECL(alDeleteFilters),
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DECL(alIsFilter),
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DECL(alFilterf),
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DECL(alFilterfv),
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DECL(alFilteri),
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DECL(alFilteriv),
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DECL(alGetFilterf),
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DECL(alGetFilterfv),
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DECL(alGetFilteri),
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DECL(alGetFilteriv),
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DECL(alGenEffects),
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DECL(alDeleteEffects),
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DECL(alIsEffect),
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DECL(alEffectf),
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DECL(alEffectfv),
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DECL(alEffecti),
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DECL(alEffectiv),
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DECL(alGetEffectf),
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DECL(alGetEffectfv),
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DECL(alGetEffecti),
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DECL(alGetEffectiv),
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DECL(alGenAuxiliaryEffectSlots),
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DECL(alDeleteAuxiliaryEffectSlots),
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DECL(alIsAuxiliaryEffectSlot),
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DECL(alAuxiliaryEffectSlotf),
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DECL(alAuxiliaryEffectSlotfv),
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DECL(alAuxiliaryEffectSloti),
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DECL(alAuxiliaryEffectSlotiv),
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DECL(alGetAuxiliaryEffectSlotf),
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DECL(alGetAuxiliaryEffectSlotfv),
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DECL(alGetAuxiliaryEffectSloti),
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DECL(alGetAuxiliaryEffectSlotiv),
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}};
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#undef DECL
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#define DECL(x) { #x, (x) }
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struct EnumExportEntry {
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const ALCchar *enumName;
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ALCenum value;
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};
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static const std::array<EnumExportEntry,92> alcEnumerations{{
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DECL(ALC_INVALID),
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DECL(ALC_FALSE),
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DECL(ALC_TRUE),
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DECL(ALC_MAJOR_VERSION),
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DECL(ALC_MINOR_VERSION),
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DECL(ALC_ATTRIBUTES_SIZE),
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DECL(ALC_ALL_ATTRIBUTES),
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DECL(ALC_DEFAULT_DEVICE_SPECIFIER),
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DECL(ALC_DEVICE_SPECIFIER),
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DECL(ALC_ALL_DEVICES_SPECIFIER),
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DECL(ALC_DEFAULT_ALL_DEVICES_SPECIFIER),
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DECL(ALC_EXTENSIONS),
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DECL(ALC_FREQUENCY),
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DECL(ALC_REFRESH),
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DECL(ALC_SYNC),
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DECL(ALC_MONO_SOURCES),
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DECL(ALC_STEREO_SOURCES),
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DECL(ALC_CAPTURE_DEVICE_SPECIFIER),
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DECL(ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER),
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DECL(ALC_CAPTURE_SAMPLES),
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DECL(ALC_NO_ERROR),
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DECL(ALC_INVALID_DEVICE),
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DECL(ALC_INVALID_CONTEXT),
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DECL(ALC_INVALID_ENUM),
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DECL(ALC_INVALID_VALUE),
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DECL(ALC_OUT_OF_MEMORY),
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DECL(AL_INVALID),
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DECL(AL_NONE),
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DECL(AL_FALSE),
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DECL(AL_TRUE),
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DECL(AL_SOURCE_RELATIVE),
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DECL(AL_CONE_INNER_ANGLE),
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DECL(AL_CONE_OUTER_ANGLE),
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DECL(AL_PITCH),
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DECL(AL_POSITION),
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DECL(AL_DIRECTION),
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DECL(AL_VELOCITY),
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DECL(AL_LOOPING),
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DECL(AL_BUFFER),
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DECL(AL_GAIN),
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DECL(AL_MIN_GAIN),
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DECL(AL_MAX_GAIN),
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DECL(AL_ORIENTATION),
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DECL(AL_REFERENCE_DISTANCE),
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DECL(AL_ROLLOFF_FACTOR),
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DECL(AL_CONE_OUTER_GAIN),
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DECL(AL_MAX_DISTANCE),
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DECL(AL_SEC_OFFSET),
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DECL(AL_SAMPLE_OFFSET),
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DECL(AL_BYTE_OFFSET),
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DECL(AL_SOURCE_TYPE),
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DECL(AL_STATIC),
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DECL(AL_STREAMING),
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DECL(AL_UNDETERMINED),
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DECL(AL_SOURCE_STATE),
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DECL(AL_INITIAL),
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DECL(AL_PLAYING),
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DECL(AL_PAUSED),
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DECL(AL_STOPPED),
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DECL(AL_BUFFERS_QUEUED),
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DECL(AL_BUFFERS_PROCESSED),
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DECL(AL_FORMAT_MONO8),
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DECL(AL_FORMAT_MONO16),
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DECL(AL_FORMAT_STEREO8),
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DECL(AL_FORMAT_STEREO16),
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DECL(AL_FREQUENCY),
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DECL(AL_BITS),
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DECL(AL_CHANNELS),
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DECL(AL_SIZE),
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DECL(AL_UNUSED),
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DECL(AL_PENDING),
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DECL(AL_PROCESSED),
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DECL(AL_NO_ERROR),
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DECL(AL_INVALID_NAME),
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DECL(AL_INVALID_ENUM),
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DECL(AL_INVALID_VALUE),
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DECL(AL_INVALID_OPERATION),
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DECL(AL_OUT_OF_MEMORY),
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DECL(AL_VENDOR),
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DECL(AL_VERSION),
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DECL(AL_RENDERER),
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DECL(AL_EXTENSIONS),
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DECL(AL_DOPPLER_FACTOR),
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DECL(AL_DOPPLER_VELOCITY),
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DECL(AL_DISTANCE_MODEL),
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DECL(AL_SPEED_OF_SOUND),
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DECL(AL_INVERSE_DISTANCE),
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DECL(AL_INVERSE_DISTANCE_CLAMPED),
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DECL(AL_LINEAR_DISTANCE),
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DECL(AL_LINEAR_DISTANCE_CLAMPED),
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DECL(AL_EXPONENT_DISTANCE),
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DECL(AL_EXPONENT_DISTANCE_CLAMPED),
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}};
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#undef DECL
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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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static const ALCchar alcExtensionList[] =
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"ALC_ENUMERATE_ALL_EXT ALC_ENUMERATION_EXT ALC_EXT_CAPTURE "
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"ALC_EXT_thread_local_context";
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static const ALCint alcMajorVersion = 1;
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static const ALCint alcMinorVersion = 1;
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static std::recursive_mutex EnumerationLock;
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static std::mutex ContextSwitchLock;
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static std::atomic<ALCenum> LastError{ALC_NO_ERROR};
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static PtrIntMap DeviceIfaceMap;
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static PtrIntMap ContextIfaceMap;
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typedef struct EnumeratedList {
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std::vector<ALCchar> Names;
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std::vector<ALCint> Indicies;
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void clear()
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{
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Names.clear();
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Indicies.clear();
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}
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} EnumeratedList;
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static EnumeratedList DevicesList;
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static EnumeratedList AllDevicesList;
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static EnumeratedList CaptureDevicesList;
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static void AppendDeviceList(EnumeratedList *list, const ALCchar *names, ALint idx)
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{
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const ALCchar *name_end = names;
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if(!name_end) return;
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ALCsizei count = 0;
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while(*name_end)
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{
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TRACE("Enumerated \"%s\", driver %d\n", name_end, idx);
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++count;
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name_end += strlen(name_end)+1;
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}
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if(names == name_end)
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return;
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list->Names.reserve(list->Names.size() + (name_end - names) + 1);
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list->Names.insert(list->Names.cend(), names, name_end);
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list->Indicies.reserve(list->Indicies.size() + count);
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list->Indicies.insert(list->Indicies.cend(), count, idx);
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}
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static ALint GetDriverIndexForName(const EnumeratedList *list, const ALCchar *name)
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{
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const ALCchar *devnames = list->Names.data();
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const ALCint *index = list->Indicies.data();
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while(devnames && *devnames)
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{
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if(strcmp(name, devnames) == 0)
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return *index;
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devnames += strlen(devnames)+1;
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index++;
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}
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return -1;
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}
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ALC_API ALCdevice* ALC_APIENTRY alcOpenDevice(const ALCchar *devicename)
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{
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ALCdevice *device = nullptr;
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ALint idx = 0;
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/* Prior to the enumeration extension, apps would hardcode these names as a
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* quality hint for the wrapper driver. Ignore them since there's no sane
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* way to map them.
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*/
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if(devicename && (devicename[0] == '\0' ||
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strcmp(devicename, "DirectSound3D") == 0 ||
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strcmp(devicename, "DirectSound") == 0 ||
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strcmp(devicename, "MMSYSTEM") == 0))
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devicename = nullptr;
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if(devicename)
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{
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{
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std::lock_guard<std::recursive_mutex> _{EnumerationLock};
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if(DevicesList.Names.empty())
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(void)alcGetString(nullptr, ALC_DEVICE_SPECIFIER);
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idx = GetDriverIndexForName(&DevicesList, devicename);
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if(idx < 0)
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{
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if(AllDevicesList.Names.empty())
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(void)alcGetString(nullptr, ALC_ALL_DEVICES_SPECIFIER);
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idx = GetDriverIndexForName(&AllDevicesList, devicename);
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}
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}
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if(idx < 0)
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{
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LastError.store(ALC_INVALID_VALUE);
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TRACE("Failed to find driver for name \"%s\"\n", devicename);
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return nullptr;
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}
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TRACE("Found driver %d for name \"%s\"\n", idx, devicename);
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device = DriverList[idx].alcOpenDevice(devicename);
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}
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else
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{
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for(const auto &drv : DriverList)
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{
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if(drv.ALCVer >= MAKE_ALC_VER(1, 1) ||
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drv.alcIsExtensionPresent(nullptr, "ALC_ENUMERATION_EXT"))
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{
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TRACE("Using default device from driver %d\n", idx);
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device = drv.alcOpenDevice(nullptr);
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break;
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}
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++idx;
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}
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}
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if(device)
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{
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if(DeviceIfaceMap.insert(device, idx) != ALC_NO_ERROR)
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{
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DriverList[idx].alcCloseDevice(device);
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device = nullptr;
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}
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}
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return device;
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}
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ALC_API ALCboolean ALC_APIENTRY alcCloseDevice(ALCdevice *device)
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{
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ALint idx;
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if(!device || (idx=DeviceIfaceMap.lookupByKey(device)) < 0)
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{
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LastError.store(ALC_INVALID_DEVICE);
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return ALC_FALSE;
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}
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if(!DriverList[idx].alcCloseDevice(device))
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return ALC_FALSE;
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DeviceIfaceMap.removeByKey(device);
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return ALC_TRUE;
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}
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ALC_API ALCcontext* ALC_APIENTRY alcCreateContext(ALCdevice *device, const ALCint *attrlist)
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{
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ALCcontext *context;
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ALint idx;
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if(!device || (idx=DeviceIfaceMap.lookupByKey(device)) < 0)
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{
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LastError.store(ALC_INVALID_DEVICE);
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return nullptr;
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}
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context = DriverList[idx].alcCreateContext(device, attrlist);
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if(context)
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{
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if(ContextIfaceMap.insert(context, idx) != ALC_NO_ERROR)
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{
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DriverList[idx].alcDestroyContext(context);
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context = nullptr;
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}
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}
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return context;
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}
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ALC_API ALCboolean ALC_APIENTRY alcMakeContextCurrent(ALCcontext *context)
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{
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ALint idx = -1;
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std::lock_guard<std::mutex> _{ContextSwitchLock};
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if(context)
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{
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idx = ContextIfaceMap.lookupByKey(context);
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if(idx < 0)
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{
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LastError.store(ALC_INVALID_CONTEXT);
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return ALC_FALSE;
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}
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if(!DriverList[idx].alcMakeContextCurrent(context))
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return ALC_FALSE;
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}
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/* Unset the context from the old driver if it's different from the new
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* current one.
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*/
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if(idx < 0)
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{
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DriverIface *oldiface = ThreadCtxDriver;
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if(oldiface) oldiface->alcSetThreadContext(nullptr);
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oldiface = CurrentCtxDriver.exchange(nullptr);
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if(oldiface) oldiface->alcMakeContextCurrent(nullptr);
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}
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else
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{
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DriverIface *oldiface = ThreadCtxDriver;
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if(oldiface && oldiface != &DriverList[idx])
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oldiface->alcSetThreadContext(nullptr);
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oldiface = CurrentCtxDriver.exchange(&DriverList[idx]);
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if(oldiface && oldiface != &DriverList[idx])
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oldiface->alcMakeContextCurrent(nullptr);
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}
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ThreadCtxDriver = nullptr;
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return ALC_TRUE;
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}
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ALC_API void ALC_APIENTRY alcProcessContext(ALCcontext *context)
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{
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if(context)
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{
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ALint idx = ContextIfaceMap.lookupByKey(context);
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if(idx >= 0)
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return DriverList[idx].alcProcessContext(context);
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}
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LastError.store(ALC_INVALID_CONTEXT);
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}
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ALC_API void ALC_APIENTRY alcSuspendContext(ALCcontext *context)
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{
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if(context)
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{
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ALint idx = ContextIfaceMap.lookupByKey(context);
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if(idx >= 0)
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return DriverList[idx].alcSuspendContext(context);
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}
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LastError.store(ALC_INVALID_CONTEXT);
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}
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ALC_API void ALC_APIENTRY alcDestroyContext(ALCcontext *context)
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{
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ALint idx;
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if(!context || (idx=ContextIfaceMap.lookupByKey(context)) < 0)
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{
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LastError.store(ALC_INVALID_CONTEXT);
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return;
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}
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DriverList[idx].alcDestroyContext(context);
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ContextIfaceMap.removeByKey(context);
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}
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ALC_API ALCcontext* ALC_APIENTRY alcGetCurrentContext(void)
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{
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DriverIface *iface = ThreadCtxDriver;
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if(!iface) iface = CurrentCtxDriver.load();
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return iface ? iface->alcGetCurrentContext() : nullptr;
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}
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ALC_API ALCdevice* ALC_APIENTRY alcGetContextsDevice(ALCcontext *context)
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{
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if(context)
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{
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ALint idx = ContextIfaceMap.lookupByKey(context);
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|
if(idx >= 0)
|
|
return DriverList[idx].alcGetContextsDevice(context);
|
|
}
|
|
LastError.store(ALC_INVALID_CONTEXT);
|
|
return nullptr;
|
|
}
|
|
|
|
|
|
ALC_API ALCenum ALC_APIENTRY alcGetError(ALCdevice *device)
|
|
{
|
|
if(device)
|
|
{
|
|
ALint idx = DeviceIfaceMap.lookupByKey(device);
|
|
if(idx < 0) return ALC_INVALID_DEVICE;
|
|
return DriverList[idx].alcGetError(device);
|
|
}
|
|
return LastError.exchange(ALC_NO_ERROR);
|
|
}
|
|
|
|
ALC_API ALCboolean ALC_APIENTRY alcIsExtensionPresent(ALCdevice *device, const ALCchar *extname)
|
|
{
|
|
const char *ptr;
|
|
size_t len;
|
|
|
|
if(device)
|
|
{
|
|
ALint idx = DeviceIfaceMap.lookupByKey(device);
|
|
if(idx < 0)
|
|
{
|
|
LastError.store(ALC_INVALID_DEVICE);
|
|
return ALC_FALSE;
|
|
}
|
|
return DriverList[idx].alcIsExtensionPresent(device, extname);
|
|
}
|
|
|
|
len = strlen(extname);
|
|
ptr = alcExtensionList;
|
|
while(ptr && *ptr)
|
|
{
|
|
if(al::strncasecmp(ptr, extname, len) == 0 && (ptr[len] == '\0' || isspace(ptr[len])))
|
|
return ALC_TRUE;
|
|
if((ptr=strchr(ptr, ' ')) != nullptr)
|
|
{
|
|
do {
|
|
++ptr;
|
|
} while(isspace(*ptr));
|
|
}
|
|
}
|
|
return ALC_FALSE;
|
|
}
|
|
|
|
ALC_API void* ALC_APIENTRY alcGetProcAddress(ALCdevice *device, const ALCchar *funcname)
|
|
{
|
|
if(device)
|
|
{
|
|
ALint idx = DeviceIfaceMap.lookupByKey(device);
|
|
if(idx < 0)
|
|
{
|
|
LastError.store(ALC_INVALID_DEVICE);
|
|
return nullptr;
|
|
}
|
|
return DriverList[idx].alcGetProcAddress(device, funcname);
|
|
}
|
|
|
|
auto iter = std::find_if(alcFunctions.cbegin(), alcFunctions.cend(),
|
|
[funcname](const FuncExportEntry &entry) -> bool
|
|
{ return strcmp(funcname, entry.funcName) == 0; }
|
|
);
|
|
return (iter != alcFunctions.cend()) ? iter->address : nullptr;
|
|
}
|
|
|
|
ALC_API ALCenum ALC_APIENTRY alcGetEnumValue(ALCdevice *device, const ALCchar *enumname)
|
|
{
|
|
if(device)
|
|
{
|
|
ALint idx = DeviceIfaceMap.lookupByKey(device);
|
|
if(idx < 0)
|
|
{
|
|
LastError.store(ALC_INVALID_DEVICE);
|
|
return 0;
|
|
}
|
|
return DriverList[idx].alcGetEnumValue(device, enumname);
|
|
}
|
|
|
|
auto iter = std::find_if(alcEnumerations.cbegin(), alcEnumerations.cend(),
|
|
[enumname](const EnumExportEntry &entry) -> bool
|
|
{ return strcmp(enumname, entry.enumName) == 0; }
|
|
);
|
|
return (iter != alcEnumerations.cend()) ? iter->value : 0;
|
|
}
|
|
|
|
ALC_API const ALCchar* ALC_APIENTRY alcGetString(ALCdevice *device, ALCenum param)
|
|
{
|
|
if(device)
|
|
{
|
|
ALint idx = DeviceIfaceMap.lookupByKey(device);
|
|
if(idx < 0)
|
|
{
|
|
LastError.store(ALC_INVALID_DEVICE);
|
|
return nullptr;
|
|
}
|
|
return DriverList[idx].alcGetString(device, param);
|
|
}
|
|
|
|
switch(param)
|
|
{
|
|
case ALC_NO_ERROR:
|
|
return alcNoError;
|
|
case ALC_INVALID_ENUM:
|
|
return alcErrInvalidEnum;
|
|
case ALC_INVALID_VALUE:
|
|
return alcErrInvalidValue;
|
|
case ALC_INVALID_DEVICE:
|
|
return alcErrInvalidDevice;
|
|
case ALC_INVALID_CONTEXT:
|
|
return alcErrInvalidContext;
|
|
case ALC_OUT_OF_MEMORY:
|
|
return alcErrOutOfMemory;
|
|
case ALC_EXTENSIONS:
|
|
return alcExtensionList;
|
|
|
|
case ALC_DEVICE_SPECIFIER:
|
|
{
|
|
std::lock_guard<std::recursive_mutex> _{EnumerationLock};
|
|
DevicesList.clear();
|
|
ALint idx{0};
|
|
for(const auto &drv : DriverList)
|
|
{
|
|
/* Only enumerate names from drivers that support it. */
|
|
if(drv.ALCVer >= MAKE_ALC_VER(1, 1)
|
|
|| drv.alcIsExtensionPresent(nullptr, "ALC_ENUMERATION_EXT"))
|
|
AppendDeviceList(&DevicesList,
|
|
drv.alcGetString(nullptr, ALC_DEVICE_SPECIFIER), idx);
|
|
++idx;
|
|
}
|
|
/* Ensure the list is double-null termianted. */
|
|
if(DevicesList.Names.empty())
|
|
DevicesList.Names.emplace_back('\0');
|
|
DevicesList.Names.emplace_back('\0');
|
|
return DevicesList.Names.data();
|
|
}
|
|
|
|
case ALC_ALL_DEVICES_SPECIFIER:
|
|
{
|
|
std::lock_guard<std::recursive_mutex> _{EnumerationLock};
|
|
AllDevicesList.clear();
|
|
ALint idx{0};
|
|
for(const auto &drv : DriverList)
|
|
{
|
|
/* If the driver doesn't support ALC_ENUMERATE_ALL_EXT, substitute
|
|
* standard enumeration.
|
|
*/
|
|
if(drv.alcIsExtensionPresent(nullptr, "ALC_ENUMERATE_ALL_EXT"))
|
|
AppendDeviceList(&AllDevicesList,
|
|
drv.alcGetString(nullptr, ALC_ALL_DEVICES_SPECIFIER), idx);
|
|
else if(drv.ALCVer >= MAKE_ALC_VER(1, 1)
|
|
|| drv.alcIsExtensionPresent(nullptr, "ALC_ENUMERATION_EXT"))
|
|
AppendDeviceList(&AllDevicesList,
|
|
drv.alcGetString(nullptr, ALC_DEVICE_SPECIFIER), idx);
|
|
++idx;
|
|
}
|
|
/* Ensure the list is double-null termianted. */
|
|
if(AllDevicesList.Names.empty())
|
|
AllDevicesList.Names.emplace_back('\0');
|
|
AllDevicesList.Names.emplace_back('\0');
|
|
return AllDevicesList.Names.data();
|
|
}
|
|
|
|
case ALC_CAPTURE_DEVICE_SPECIFIER:
|
|
{
|
|
std::lock_guard<std::recursive_mutex> _{EnumerationLock};
|
|
CaptureDevicesList.clear();
|
|
ALint idx{0};
|
|
for(const auto &drv : DriverList)
|
|
{
|
|
if(drv.ALCVer >= MAKE_ALC_VER(1, 1)
|
|
|| drv.alcIsExtensionPresent(nullptr, "ALC_EXT_CAPTURE"))
|
|
AppendDeviceList(&CaptureDevicesList,
|
|
drv.alcGetString(nullptr, ALC_CAPTURE_DEVICE_SPECIFIER), idx);
|
|
++idx;
|
|
}
|
|
/* Ensure the list is double-null termianted. */
|
|
if(CaptureDevicesList.Names.empty())
|
|
CaptureDevicesList.Names.emplace_back('\0');
|
|
CaptureDevicesList.Names.emplace_back('\0');
|
|
return CaptureDevicesList.Names.data();
|
|
}
|
|
|
|
case ALC_DEFAULT_DEVICE_SPECIFIER:
|
|
{
|
|
auto iter = std::find_if(DriverList.cbegin(), DriverList.cend(),
|
|
[](const DriverIface &drv) -> bool
|
|
{
|
|
return drv.ALCVer >= MAKE_ALC_VER(1, 1)
|
|
|| drv.alcIsExtensionPresent(nullptr, "ALC_ENUMERATION_EXT");
|
|
}
|
|
);
|
|
if(iter != DriverList.cend())
|
|
return iter->alcGetString(nullptr, ALC_DEFAULT_DEVICE_SPECIFIER);
|
|
return "";
|
|
}
|
|
|
|
case ALC_DEFAULT_ALL_DEVICES_SPECIFIER:
|
|
{
|
|
auto iter = std::find_if(DriverList.cbegin(), DriverList.cend(),
|
|
[](const DriverIface &drv) -> bool
|
|
{ return drv.alcIsExtensionPresent(nullptr, "ALC_ENUMERATE_ALL_EXT") != ALC_FALSE; });
|
|
if(iter != DriverList.cend())
|
|
return iter->alcGetString(nullptr, ALC_DEFAULT_ALL_DEVICES_SPECIFIER);
|
|
return "";
|
|
}
|
|
|
|
case ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER:
|
|
{
|
|
auto iter = std::find_if(DriverList.cbegin(), DriverList.cend(),
|
|
[](const DriverIface &drv) -> bool
|
|
{
|
|
return drv.ALCVer >= MAKE_ALC_VER(1, 1)
|
|
|| drv.alcIsExtensionPresent(nullptr, "ALC_EXT_CAPTURE");
|
|
}
|
|
);
|
|
if(iter != DriverList.cend())
|
|
return iter->alcGetString(nullptr, ALC_CAPTURE_DEFAULT_DEVICE_SPECIFIER);
|
|
return "";
|
|
}
|
|
|
|
default:
|
|
LastError.store(ALC_INVALID_ENUM);
|
|
break;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
ALC_API void ALC_APIENTRY alcGetIntegerv(ALCdevice *device, ALCenum param, ALCsizei size, ALCint *values)
|
|
{
|
|
if(device)
|
|
{
|
|
ALint idx = DeviceIfaceMap.lookupByKey(device);
|
|
if(idx < 0)
|
|
{
|
|
LastError.store(ALC_INVALID_DEVICE);
|
|
return;
|
|
}
|
|
return DriverList[idx].alcGetIntegerv(device, param, size, values);
|
|
}
|
|
|
|
if(size <= 0 || values == nullptr)
|
|
{
|
|
LastError.store(ALC_INVALID_VALUE);
|
|
return;
|
|
}
|
|
|
|
switch(param)
|
|
{
|
|
case ALC_MAJOR_VERSION:
|
|
if(size >= 1)
|
|
{
|
|
values[0] = alcMajorVersion;
|
|
return;
|
|
}
|
|
/*fall-through*/
|
|
case ALC_MINOR_VERSION:
|
|
if(size >= 1)
|
|
{
|
|
values[0] = alcMinorVersion;
|
|
return;
|
|
}
|
|
LastError.store(ALC_INVALID_VALUE);
|
|
return;
|
|
|
|
case ALC_ATTRIBUTES_SIZE:
|
|
case ALC_ALL_ATTRIBUTES:
|
|
case ALC_FREQUENCY:
|
|
case ALC_REFRESH:
|
|
case ALC_SYNC:
|
|
case ALC_MONO_SOURCES:
|
|
case ALC_STEREO_SOURCES:
|
|
case ALC_CAPTURE_SAMPLES:
|
|
LastError.store(ALC_INVALID_DEVICE);
|
|
return;
|
|
|
|
default:
|
|
LastError.store(ALC_INVALID_ENUM);
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
ALC_API ALCdevice* ALC_APIENTRY alcCaptureOpenDevice(const ALCchar *devicename, ALCuint frequency, ALCenum format, ALCsizei buffersize)
|
|
{
|
|
ALCdevice *device = nullptr;
|
|
ALint idx = 0;
|
|
|
|
if(devicename && devicename[0] == '\0')
|
|
devicename = nullptr;
|
|
if(devicename)
|
|
{
|
|
{
|
|
std::lock_guard<std::recursive_mutex> _{EnumerationLock};
|
|
if(CaptureDevicesList.Names.empty())
|
|
(void)alcGetString(nullptr, ALC_CAPTURE_DEVICE_SPECIFIER);
|
|
idx = GetDriverIndexForName(&CaptureDevicesList, devicename);
|
|
}
|
|
|
|
if(idx < 0)
|
|
{
|
|
LastError.store(ALC_INVALID_VALUE);
|
|
TRACE("Failed to find driver for name \"%s\"\n", devicename);
|
|
return nullptr;
|
|
}
|
|
TRACE("Found driver %d for name \"%s\"\n", idx, devicename);
|
|
device = DriverList[idx].alcCaptureOpenDevice(devicename, frequency, format, buffersize);
|
|
}
|
|
else
|
|
{
|
|
for(const auto &drv : DriverList)
|
|
{
|
|
if(drv.ALCVer >= MAKE_ALC_VER(1, 1)
|
|
|| drv.alcIsExtensionPresent(nullptr, "ALC_EXT_CAPTURE"))
|
|
{
|
|
TRACE("Using default capture device from driver %d\n", idx);
|
|
device = drv.alcCaptureOpenDevice(nullptr, frequency, format, buffersize);
|
|
break;
|
|
}
|
|
++idx;
|
|
}
|
|
}
|
|
|
|
if(device)
|
|
{
|
|
if(DeviceIfaceMap.insert(device, idx) != ALC_NO_ERROR)
|
|
{
|
|
DriverList[idx].alcCaptureCloseDevice(device);
|
|
device = nullptr;
|
|
}
|
|
}
|
|
|
|
return device;
|
|
}
|
|
|
|
ALC_API ALCboolean ALC_APIENTRY alcCaptureCloseDevice(ALCdevice *device)
|
|
{
|
|
ALint idx;
|
|
|
|
if(!device || (idx=DeviceIfaceMap.lookupByKey(device)) < 0)
|
|
{
|
|
LastError.store(ALC_INVALID_DEVICE);
|
|
return ALC_FALSE;
|
|
}
|
|
if(!DriverList[idx].alcCaptureCloseDevice(device))
|
|
return ALC_FALSE;
|
|
DeviceIfaceMap.removeByKey(device);
|
|
return ALC_TRUE;
|
|
}
|
|
|
|
ALC_API void ALC_APIENTRY alcCaptureStart(ALCdevice *device)
|
|
{
|
|
if(device)
|
|
{
|
|
ALint idx = DeviceIfaceMap.lookupByKey(device);
|
|
if(idx >= 0)
|
|
return DriverList[idx].alcCaptureStart(device);
|
|
}
|
|
LastError.store(ALC_INVALID_DEVICE);
|
|
}
|
|
|
|
ALC_API void ALC_APIENTRY alcCaptureStop(ALCdevice *device)
|
|
{
|
|
if(device)
|
|
{
|
|
ALint idx = DeviceIfaceMap.lookupByKey(device);
|
|
if(idx >= 0)
|
|
return DriverList[idx].alcCaptureStop(device);
|
|
}
|
|
LastError.store(ALC_INVALID_DEVICE);
|
|
}
|
|
|
|
ALC_API void ALC_APIENTRY alcCaptureSamples(ALCdevice *device, ALCvoid *buffer, ALCsizei samples)
|
|
{
|
|
if(device)
|
|
{
|
|
ALint idx = DeviceIfaceMap.lookupByKey(device);
|
|
if(idx >= 0)
|
|
return DriverList[idx].alcCaptureSamples(device, buffer, samples);
|
|
}
|
|
LastError.store(ALC_INVALID_DEVICE);
|
|
}
|
|
|
|
|
|
ALC_API ALCboolean ALC_APIENTRY alcSetThreadContext(ALCcontext *context)
|
|
{
|
|
ALCenum err = ALC_INVALID_CONTEXT;
|
|
ALint idx;
|
|
|
|
if(!context)
|
|
{
|
|
DriverIface *oldiface = ThreadCtxDriver;
|
|
if(oldiface && !oldiface->alcSetThreadContext(nullptr))
|
|
return ALC_FALSE;
|
|
ThreadCtxDriver = nullptr;
|
|
return ALC_TRUE;
|
|
}
|
|
|
|
idx = ContextIfaceMap.lookupByKey(context);
|
|
if(idx >= 0)
|
|
{
|
|
if(DriverList[idx].alcSetThreadContext(context))
|
|
{
|
|
DriverIface *oldiface = ThreadCtxDriver;
|
|
if(oldiface != &DriverList[idx])
|
|
{
|
|
ThreadCtxDriver = &DriverList[idx];
|
|
if(oldiface) oldiface->alcSetThreadContext(nullptr);
|
|
}
|
|
return ALC_TRUE;
|
|
}
|
|
err = DriverList[idx].alcGetError(nullptr);
|
|
}
|
|
LastError.store(err);
|
|
return ALC_FALSE;
|
|
}
|
|
|
|
ALC_API ALCcontext* ALC_APIENTRY alcGetThreadContext(void)
|
|
{
|
|
DriverIface *iface = ThreadCtxDriver;
|
|
if(iface) return iface->alcGetThreadContext();
|
|
return nullptr;
|
|
}
|