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Refactor Audio Backend to support single listener only

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This commit is contained in:
Wojtek Figat
2024-05-04 21:47:47 +02:00
parent 388a0f4196
commit f604503566
11 changed files with 164 additions and 299 deletions
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361
Source/Engine/Audio/OpenAL/AudioBackendOAL.cpp
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@@ -6,6 +6,7 @@
#include "Engine/Platform/StringUtils.h"
#include "Engine/Core/Log.h"
#include "Engine/Tools/AudioTool/AudioTool.h"
#include "Engine/Engine/Units.h"
#include "Engine/Profiler/ProfilerCPU.h"
#include "Engine/Audio/Audio.h"
#include "Engine/Audio/AudioListener.h"
@@ -19,12 +20,9 @@
#include <OpenAL/alc.h>
#include <OpenAL/alext.h>
#define ALC_MULTIPLE_LISTENERS 0
#define FLAX_COORD_SCALE 0.01f // units are meters
#define FLAX_DST_TO_OAL(x) x * FLAX_COORD_SCALE
#define FLAX_POS_TO_OAL(vec) ((ALfloat)vec.X * -FLAX_COORD_SCALE), ((ALfloat)vec.Y * FLAX_COORD_SCALE), ((ALfloat)vec.Z * FLAX_COORD_SCALE)
#define FLAX_VEL_TO_OAL(vec) ((ALfloat)vec.X * -(FLAX_COORD_SCALE*FLAX_COORD_SCALE)), ((ALfloat)vec.Y * (FLAX_COORD_SCALE*FLAX_COORD_SCALE)), ((ALfloat)vec.Z * (FLAX_COORD_SCALE*FLAX_COORD_SCALE))
#define FLAX_DST_TO_OAL(x) x * UNITS_TO_METERS_SCALE
#define FLAX_POS_TO_OAL(vec) ((ALfloat)vec.X * -UNITS_TO_METERS_SCALE), ((ALfloat)vec.Y * UNITS_TO_METERS_SCALE), ((ALfloat)vec.Z * UNITS_TO_METERS_SCALE)
#define FLAX_VEL_TO_OAL(vec) ((ALfloat)vec.X * -(UNITS_TO_METERS_SCALE*UNITS_TO_METERS_SCALE)), ((ALfloat)vec.Y * (UNITS_TO_METERS_SCALE*UNITS_TO_METERS_SCALE)), ((ALfloat)vec.Z * (UNITS_TO_METERS_SCALE*UNITS_TO_METERS_SCALE))
#if BUILD_RELEASE
#define ALC_CHECK_ERROR(method)
#else
@@ -39,75 +37,30 @@
}
#endif
#if ALC_MULTIPLE_LISTENERS
#define ALC_FOR_EACH_CONTEXT() \
for (int32 i = 0; i < Contexts.Count(); i++)
{ \
if (Contexts.Count() > 1) \
alcMakeContextCurrent(Contexts[i]);
#define ALC_GET_DEFAULT_CONTEXT() \
if (Contexts.Count() > 1) \
alcMakeContextCurrent(Contexts[0]);
#define ALC_GET_LISTENER_CONTEXT(listener) \
if (Contexts.Count() > 1) \
alcMakeContextCurrent(ALC::GetContext(listener)));
#else
#define ALC_FOR_EACH_CONTEXT() { int32 i = 0;
#define ALC_GET_DEFAULT_CONTEXT()
#define ALC_GET_LISTENER_CONTEXT(listener)
#endif
namespace ALC
{
ALCdevice* Device = nullptr;
Array<ALCcontext*, FixedAllocation<AUDIO_MAX_LISTENERS>> Contexts;
ALCcontext* Context = nullptr;
AudioBackend::FeatureFlags Features = AudioBackend::FeatureFlags::None;
bool IsExtensionSupported(const char* extension)
{
if (Device == nullptr)
return false;
const int32 length = StringUtils::Length(extension);
if ((length > 2) && (StringUtils::Compare(extension, "ALC", 3) == 0))
return alcIsExtensionPresent(Device, extension) != AL_FALSE;
return alIsExtensionPresent(extension) != AL_FALSE;
}
ALCcontext* GetContext(const class AudioListener* listener)
void ClearContext()
{
#if ALC_MULTIPLE_LISTENERS
const auto& listeners = Audio::Listeners;
if (listeners.HasItems())
if (Context)
{
ASSERT(listeners.Count() == Contexts.Count());
const int32 numContexts = Contexts.Count();
ALC_FOR_EACH_CONTEXT()
{
if (listeners[i] == listener)
return Contexts[i];
}
alcMakeContextCurrent(nullptr);
alcDestroyContext(Context);
Context = nullptr;
}
ASSERT(Contexts.HasItems());
#else
ASSERT(Contexts.Count() == 1);
#endif
return Contexts[0];
}
FORCE_INLINE const Array<ALCcontext*, FixedAllocation<AUDIO_MAX_LISTENERS>>& GetContexts()
{
return Contexts;
}
void ClearContexts()
{
alcMakeContextCurrent(nullptr);
for (ALCcontext* context : Contexts)
alcDestroyContext(context);
Contexts.Clear();
}
namespace Listener
@@ -126,58 +79,51 @@ namespace ALC
{
void Rebuild(AudioSource* source)
{
ASSERT(source->SourceIDs.IsEmpty());
ASSERT(source->SourceID == 0);
const bool is3D = source->Is3D();
const bool loop = source->GetIsLooping() && !source->UseStreaming();
ALC_FOR_EACH_CONTEXT()
uint32 sourceID = 0;
alGenSources(1, &sourceID);
uint32 sourceID = 0;
alGenSources(1, &sourceID);
source->SourceID = sourceID;
source->SourceIDs.Add(sourceID);
}
ALC_FOR_EACH_CONTEXT()
const uint32 sourceID = source->SourceIDs[i];
alSourcef(sourceID, AL_GAIN, source->GetVolume());
alSourcef(sourceID, AL_PITCH, source->GetPitch());
alSourcef(sourceID, AL_SEC_OFFSET, 0.0f);
alSourcei(sourceID, AL_LOOPING, loop);
alSourcei(sourceID, AL_SOURCE_RELATIVE, !is3D);
alSourcei(sourceID, AL_BUFFER, 0);
if (is3D)
{
alSourcef(sourceID, AL_GAIN, source->GetVolume());
alSourcef(sourceID, AL_PITCH, source->GetPitch());
alSourcef(sourceID, AL_SEC_OFFSET, 0.0f);
alSourcei(sourceID, AL_LOOPING, loop);
alSourcei(sourceID, AL_SOURCE_RELATIVE, !is3D);
alSourcei(sourceID, AL_BUFFER, 0);
if (is3D)
{
#ifdef AL_SOFT_source_spatialize
alSourcei(sourceID, AL_SOURCE_SPATIALIZE_SOFT, AL_TRUE);
#endif
alSourcef(sourceID, AL_ROLLOFF_FACTOR, source->GetAttenuation());
alSourcef(sourceID, AL_DOPPLER_FACTOR, source->GetDopplerFactor());
alSourcef(sourceID, AL_REFERENCE_DISTANCE, FLAX_DST_TO_OAL(source->GetMinDistance()));
alSource3f(sourceID, AL_POSITION, FLAX_POS_TO_OAL(source->GetPosition()));
alSource3f(sourceID, AL_VELOCITY, FLAX_VEL_TO_OAL(source->GetVelocity()));
}
else
{
alSourcef(sourceID, AL_ROLLOFF_FACTOR, 0.0f);
alSourcef(sourceID, AL_DOPPLER_FACTOR, 1.0f);
alSourcef(sourceID, AL_REFERENCE_DISTANCE, 0.0f);
alSource3f(sourceID, AL_POSITION, 0.0f, 0.0f, 0.0f);
alSource3f(sourceID, AL_VELOCITY, 0.0f, 0.0f, 0.0f);
}
#ifdef AL_EXT_STEREO_ANGLES
const float panAngle = source->GetPan() * PI_HALF;
const ALfloat panAngles[2] = { (ALfloat)(PI / 6.0 - panAngle), (ALfloat)(-PI / 6.0 - panAngle) }; // Angles are specified counter-clockwise in radians
alSourcefv(sourceID, AL_STEREO_ANGLES, panAngles);
alSourcei(sourceID, AL_SOURCE_SPATIALIZE_SOFT, AL_TRUE);
#endif
alSourcef(sourceID, AL_ROLLOFF_FACTOR, source->GetAttenuation());
alSourcef(sourceID, AL_DOPPLER_FACTOR, source->GetDopplerFactor());
alSourcef(sourceID, AL_REFERENCE_DISTANCE, FLAX_DST_TO_OAL(source->GetMinDistance()));
alSource3f(sourceID, AL_POSITION, FLAX_POS_TO_OAL(source->GetPosition()));
alSource3f(sourceID, AL_VELOCITY, FLAX_VEL_TO_OAL(source->GetVelocity()));
}
else
{
alSourcef(sourceID, AL_ROLLOFF_FACTOR, 0.0f);
alSourcef(sourceID, AL_DOPPLER_FACTOR, 1.0f);
alSourcef(sourceID, AL_REFERENCE_DISTANCE, 0.0f);
alSource3f(sourceID, AL_POSITION, 0.0f, 0.0f, 0.0f);
alSource3f(sourceID, AL_VELOCITY, 0.0f, 0.0f, 0.0f);
}
#ifdef AL_EXT_STEREO_ANGLES
const float panAngle = source->GetPan() * PI_HALF;
const ALfloat panAngles[2] = { (ALfloat)(PI / 6.0 - panAngle), (ALfloat)(-PI / 6.0 - panAngle) }; // Angles are specified counter-clockwise in radians
alSourcefv(sourceID, AL_STEREO_ANGLES, panAngles);
#endif
// Restore state after Cleanup
source->Restore();
}
}
void RebuildContexts(bool isChangingDevice)
void RebuildContext(bool isChangingDevice)
{
LOG(Info, "Rebuilding audio contexts");
@@ -187,7 +133,7 @@ namespace ALC
source->Cleanup();
}
ClearContexts();
ClearContext();
if (Device == nullptr)
return;
@@ -200,23 +146,8 @@ namespace ALC
attrList = attrsHrtf;
}
#if ALC_MULTIPLE_LISTENERS
const int32 numListeners = Audio::Listeners.Count();
const int32 numContexts = numListeners > 1 ? numListeners : 1;
Contexts.Resize(numContexts);
ALC_FOR_EACH_CONTEXT()
ALCcontext* context = alcCreateContext(Device, attrList);
Contexts[i] = context;
}
#else
Contexts.Resize(1);
Contexts[0] = alcCreateContext(Device, attrList);
#endif
// If only one context is available keep it active as an optimization.
// Audio listeners and sources will avoid excessive context switching in such case.
alcMakeContextCurrent(Contexts[0]);
Context = alcCreateContext(Device, attrList);
alcMakeContextCurrent(Context);
for (AudioListener* listener : Audio::Listeners)
Listener::Rebuild(listener);
@@ -315,33 +246,22 @@ const Char* GetOpenALErrorString(int error)
void AudioBackendOAL::Listener_OnAdd(AudioListener* listener)
{
#if ALC_MULTIPLE_LISTENERS
ALC::RebuildContexts(false);
#else
AudioBackend::Listener::TransformChanged(listener);
alListenerf(AL_GAIN, Audio::GetVolume());
#endif
}
void AudioBackendOAL::Listener_OnRemove(AudioListener* listener)
{
#if ALC_MULTIPLE_LISTENERS
ALC::RebuildContexts(false);
#endif
}
void AudioBackendOAL::Listener_VelocityChanged(AudioListener* listener)
{
ALC_GET_LISTENER_CONTEXT(listener)
const Float3 velocity = listener->GetVelocity();
alListener3f(AL_VELOCITY, FLAX_VEL_TO_OAL(velocity));
}
void AudioBackendOAL::Listener_TransformChanged(AudioListener* listener)
{
ALC_GET_LISTENER_CONTEXT(listener)
const Float3 position = listener->GetPosition();
const Quaternion orientation = listener->GetOrientation();
const Float3 flipX(-1, 1, 1);
@@ -359,7 +279,7 @@ void AudioBackendOAL::Listener_TransformChanged(AudioListener* listener)
void AudioBackendOAL::Listener_ReinitializeAll()
{
ALC::RebuildContexts(false);
ALC::RebuildContext(false);
}
void AudioBackendOAL::Source_OnAdd(AudioSource* source)
@@ -376,36 +296,28 @@ void AudioBackendOAL::Source_VelocityChanged(AudioSource* source)
{
if (!source->Is3D())
return;
ALC_FOR_EACH_CONTEXT()
const uint32 sourceID = source->SourceIDs[i];
alSource3f(sourceID, AL_VELOCITY, FLAX_VEL_TO_OAL(source->GetVelocity()));
}
const uint32 sourceID = source->SourceID;
alSource3f(sourceID, AL_VELOCITY, FLAX_VEL_TO_OAL(source->GetVelocity()));
}
void AudioBackendOAL::Source_TransformChanged(AudioSource* source)
{
if (!source->Is3D())
return;
ALC_FOR_EACH_CONTEXT()
const uint32 sourceID = source->SourceIDs[i];
alSource3f(sourceID, AL_POSITION, FLAX_POS_TO_OAL(source->GetPosition()));
}
const uint32 sourceID = source->SourceID;
alSource3f(sourceID, AL_POSITION, FLAX_POS_TO_OAL(source->GetPosition()));
}
void AudioBackendOAL::Source_VolumeChanged(AudioSource* source)
{
ALC_FOR_EACH_CONTEXT()
const uint32 sourceID = source->SourceIDs[i];
alSourcef(sourceID, AL_GAIN, source->GetVolume());
}
const uint32 sourceID = source->SourceID;
alSourcef(sourceID, AL_GAIN, source->GetVolume());
}
void AudioBackendOAL::Source_PitchChanged(AudioSource* source)
{
ALC_FOR_EACH_CONTEXT()
const uint32 sourceID = source->SourceIDs[i];
alSourcef(sourceID, AL_PITCH, source->GetPitch());
}
const uint32 sourceID = source->SourceID;
alSourcef(sourceID, AL_PITCH, source->GetPitch());
}
void AudioBackendOAL::Source_PanChanged(AudioSource* source)
@@ -413,131 +325,106 @@ void AudioBackendOAL::Source_PanChanged(AudioSource* source)
#ifdef AL_EXT_STEREO_ANGLES
const float panAngle = source->GetPan() * PI_HALF;
const ALfloat panAngles[2] = { (ALfloat)(PI / 6.0 - panAngle), (ALfloat)(-PI / 6.0 - panAngle) }; // Angles are specified counter-clockwise in radians
ALC_FOR_EACH_CONTEXT()
const uint32 sourceID = source->SourceIDs[i];
alSourcefv(sourceID, AL_STEREO_ANGLES, panAngles);
}
const uint32 sourceID = source->SourceID;
alSourcefv(sourceID, AL_STEREO_ANGLES, panAngles);
#endif
}
void AudioBackendOAL::Source_IsLoopingChanged(AudioSource* source)
{
const bool loop = source->GetIsLooping() && !source->UseStreaming();
ALC_FOR_EACH_CONTEXT()
const uint32 sourceID = source->SourceIDs[i];
alSourcei(sourceID, AL_LOOPING, loop);
}
const uint32 sourceID = source->SourceID;
alSourcei(sourceID, AL_LOOPING, loop);
}
void AudioBackendOAL::Source_SpatialSetupChanged(AudioSource* source)
{
const bool is3D = source->Is3D();
ALC_FOR_EACH_CONTEXT()
const uint32 sourceID = source->SourceIDs[i];
alSourcei(sourceID, AL_SOURCE_RELATIVE, !is3D);
if (is3D)
{
const uint32 sourceID = source->SourceID;
alSourcei(sourceID, AL_SOURCE_RELATIVE, !is3D);
if (is3D)
{
#ifdef AL_SOFT_source_spatialize
alSourcei(sourceID, AL_SOURCE_SPATIALIZE_SOFT, AL_TRUE);
alSourcei(sourceID, AL_SOURCE_SPATIALIZE_SOFT, AL_TRUE);
#endif
alSourcef(sourceID, AL_ROLLOFF_FACTOR, source->GetAttenuation());
alSourcef(sourceID, AL_DOPPLER_FACTOR, source->GetDopplerFactor());
alSourcef(sourceID, AL_REFERENCE_DISTANCE, FLAX_DST_TO_OAL(source->GetMinDistance()));
}
else
{
alSourcef(sourceID, AL_ROLLOFF_FACTOR, 0.0f);
alSourcef(sourceID, AL_DOPPLER_FACTOR, 1.0f);
alSourcef(sourceID, AL_REFERENCE_DISTANCE, 0.0f);
}
alSourcef(sourceID, AL_ROLLOFF_FACTOR, source->GetAttenuation());
alSourcef(sourceID, AL_DOPPLER_FACTOR, source->GetDopplerFactor());
alSourcef(sourceID, AL_REFERENCE_DISTANCE, FLAX_DST_TO_OAL(source->GetMinDistance()));
}
else
{
alSourcef(sourceID, AL_ROLLOFF_FACTOR, 0.0f);
alSourcef(sourceID, AL_DOPPLER_FACTOR, 1.0f);
alSourcef(sourceID, AL_REFERENCE_DISTANCE, 0.0f);
}
}
void AudioBackendOAL::Source_ClipLoaded(AudioSource* source)
{
if (source->SourceIDs.Count() < ALC::Contexts.Count())
if (source->SourceID == 0)
return;
const auto clip = source->Clip.Get();
const bool is3D = source->Is3D();
const bool loop = source->GetIsLooping() && !clip->IsStreamable();
ALC_FOR_EACH_CONTEXT()
const uint32 sourceID = source->SourceIDs[i];
alSourcei(sourceID, AL_SOURCE_RELATIVE, !is3D);
alSourcei(sourceID, AL_LOOPING, loop);
}
const uint32 sourceID = source->SourceID;
alSourcei(sourceID, AL_SOURCE_RELATIVE, !is3D);
alSourcei(sourceID, AL_LOOPING, loop);
}
void AudioBackendOAL::Source_Cleanup(AudioSource* source)
{
ALC_FOR_EACH_CONTEXT()
const uint32 sourceID = source->SourceIDs[i];
alSourcei(sourceID, AL_BUFFER, 0);
ALC_CHECK_ERROR(alSourcei);
alDeleteSources(1, &sourceID);
ALC_CHECK_ERROR(alDeleteSources);
}
const uint32 sourceID = source->SourceID;
alSourcei(sourceID, AL_BUFFER, 0);
ALC_CHECK_ERROR(alSourcei);
alDeleteSources(1, &sourceID);
ALC_CHECK_ERROR(alDeleteSources);
}
void AudioBackendOAL::Source_Play(AudioSource* source)
{
ALC_FOR_EACH_CONTEXT()
const uint32 sourceID = source->SourceIDs[i];
// Play
alSourcePlay(sourceID);
ALC_CHECK_ERROR(alSourcePlay);
}
const uint32 sourceID = source->SourceID;
alSourcePlay(sourceID);
ALC_CHECK_ERROR(alSourcePlay);
}
void AudioBackendOAL::Source_Pause(AudioSource* source)
{
ALC_FOR_EACH_CONTEXT()
const uint32 sourceID = source->SourceIDs[i];
// Pause
alSourcePause(sourceID);
ALC_CHECK_ERROR(alSourcePause);
}
const uint32 sourceID = source->SourceID;
alSourcePause(sourceID);
ALC_CHECK_ERROR(alSourcePause);
}
void AudioBackendOAL::Source_Stop(AudioSource* source)
{
ALC_FOR_EACH_CONTEXT()
const uint32 sourceID = source->SourceIDs[i];
const uint32 sourceID = source->SourceID;
// Stop and rewind
alSourceRewind(sourceID);
ALC_CHECK_ERROR(alSourceRewind);
alSourcef(sourceID, AL_SEC_OFFSET, 0.0f);
// Stop and rewind
alSourceRewind(sourceID);
ALC_CHECK_ERROR(alSourceRewind);
alSourcef(sourceID, AL_SEC_OFFSET, 0.0f);
// Unset streaming buffers
alSourcei(sourceID, AL_BUFFER, 0);
ALC_CHECK_ERROR(alSourcei);
}
// Unset streaming buffers
alSourcei(sourceID, AL_BUFFER, 0);
ALC_CHECK_ERROR(alSourcei);
}
void AudioBackendOAL::Source_SetCurrentBufferTime(AudioSource* source, float value)
{
ALC_FOR_EACH_CONTEXT()
const uint32 sourceID = source->SourceIDs[i];
alSourcef(sourceID, AL_SEC_OFFSET, value);
}
const uint32 sourceID = source->SourceID;
alSourcef(sourceID, AL_SEC_OFFSET, value);
}
float AudioBackendOAL::Source_GetCurrentBufferTime(const AudioSource* source)
{
ALC_GET_DEFAULT_CONTEXT()
#if 0
float time;
alGetSourcef(source->SourceIDs[0], AL_SEC_OFFSET, &time);
alGetSourcef(source->SourceID, AL_SEC_OFFSET, &time);
#else
ASSERT(source->Clip && source->Clip->IsLoaded());
const AudioDataInfo& clipInfo = source->Clip->AudioHeader.Info;
ALint samplesPlayed;
alGetSourcei(source->SourceIDs[0], AL_SAMPLE_OFFSET, &samplesPlayed);
alGetSourcei(source->SourceID, AL_SAMPLE_OFFSET, &samplesPlayed);
const uint32 totalSamples = clipInfo.NumSamples / clipInfo.NumChannels;
const float time = (samplesPlayed % totalSamples) / static_cast<float>(Math::Max(1U, clipInfo.SampleRate));
#endif
@@ -548,56 +435,44 @@ float AudioBackendOAL::Source_GetCurrentBufferTime(const AudioSource* source)
void AudioBackendOAL::Source_SetNonStreamingBuffer(AudioSource* source)
{
const uint32 bufferId = source->Clip->Buffers[0];
ALC_FOR_EACH_CONTEXT()
const uint32 sourceID = source->SourceIDs[i];
alSourcei(sourceID, AL_BUFFER, bufferId);
ALC_CHECK_ERROR(alSourcei);
}
const uint32 sourceID = source->SourceID;
alSourcei(sourceID, AL_BUFFER, bufferId);
ALC_CHECK_ERROR(alSourcei);
}
void AudioBackendOAL::Source_GetProcessedBuffersCount(AudioSource* source, int32& processedBuffersCount)
{
ALC_GET_DEFAULT_CONTEXT()
// Check the first context only
const uint32 sourceID = source->SourceIDs[0];
const uint32 sourceID = source->SourceID;
alGetSourcei(sourceID, AL_BUFFERS_PROCESSED, &processedBuffersCount);
ALC_CHECK_ERROR(alGetSourcei);
}
void AudioBackendOAL::Source_GetQueuedBuffersCount(AudioSource* source, int32& queuedBuffersCount)
{
ALC_GET_DEFAULT_CONTEXT()
// Check the first context only
const uint32 sourceID = source->SourceIDs[0];
const uint32 sourceID = source->SourceID;
alGetSourcei(sourceID, AL_BUFFERS_QUEUED, &queuedBuffersCount);
ALC_CHECK_ERROR(alGetSourcei);
}
void AudioBackendOAL::Source_QueueBuffer(AudioSource* source, uint32 bufferId)
{
ALC_FOR_EACH_CONTEXT()
const uint32 sourceID = source->SourceIDs[i];
const uint32 sourceID = source->SourceID;
// Queue new buffer
alSourceQueueBuffers(sourceID, 1, &bufferId);
ALC_CHECK_ERROR(alSourceQueueBuffers);
}
// Queue new buffer
alSourceQueueBuffers(sourceID, 1, &bufferId);
ALC_CHECK_ERROR(alSourceQueueBuffers);
}
void AudioBackendOAL::Source_DequeueProcessedBuffers(AudioSource* source)
{
ALuint buffers[AUDIO_MAX_SOURCE_BUFFERS];
ALC_FOR_EACH_CONTEXT()
const uint32 sourceID = source->SourceIDs[i];
int32 numProcessedBuffers;
alGetSourcei(sourceID, AL_BUFFERS_PROCESSED, &numProcessedBuffers);
alSourceUnqueueBuffers(sourceID, numProcessedBuffers, buffers);
ALC_CHECK_ERROR(alSourceUnqueueBuffers);
}
const uint32 sourceID = source->SourceID;
int32 numProcessedBuffers;
alGetSourcei(sourceID, AL_BUFFERS_PROCESSED, &numProcessedBuffers);
alSourceUnqueueBuffers(sourceID, numProcessedBuffers, buffers);
ALC_CHECK_ERROR(alSourceUnqueueBuffers);
}
uint32 AudioBackendOAL::Buffer_Create()
@@ -729,7 +604,7 @@ void AudioBackendOAL::Base_OnActiveDeviceChanged()
// Cleanup
for (AudioSource* source : Audio::Sources)
source->Cleanup();
ALC::ClearContexts();
ALC::ClearContext();
if (ALC::Device != nullptr)
{
alcCloseDevice(ALC::Device);
@@ -746,7 +621,7 @@ void AudioBackendOAL::Base_OnActiveDeviceChanged()
}
// Setup
ALC::RebuildContexts(true);
ALC::RebuildContext(true);
}
void AudioBackendOAL::Base_SetDopplerFactor(float value)
@@ -756,9 +631,7 @@ void AudioBackendOAL::Base_SetDopplerFactor(float value)
void AudioBackendOAL::Base_SetVolume(float value)
{
ALC_FOR_EACH_CONTEXT()
alListenerf(AL_GAIN, value);
}
alListenerf(AL_GAIN, value);
}
bool AudioBackendOAL::Base_Init()
@@ -862,7 +735,7 @@ bool AudioBackendOAL::Base_Init()
int32 clampedIndex = Math::Clamp(activeDeviceIndex, -1, Audio::Devices.Count() - 1);
if (clampedIndex == Audio::GetActiveDeviceIndex())
{
ALC::RebuildContexts(true);
ALC::RebuildContext(true);
}
Audio::SetActiveDeviceIndex(activeDeviceIndex);
#ifdef AL_SOFT_source_spatialize