Refactor Audio Backend to not depend on AudioSource object

This commit is contained in:
Wojtek Figat
2024-05-06 10:36:36 +02:00
parent 5b2af6b3d5
commit f43cd97907
14 changed files with 532 additions and 627 deletions

View File

@@ -5,6 +5,7 @@
#include "AudioBackendOAL.h"
#include "Engine/Platform/StringUtils.h"
#include "Engine/Core/Log.h"
#include "Engine/Core/Collections/Dictionary.h"
#include "Engine/Tools/AudioTool/AudioTool.h"
#include "Engine/Engine/Units.h"
#include "Engine/Profiler/ProfilerCPU.h"
@@ -42,6 +43,8 @@ namespace ALC
ALCdevice* Device = nullptr;
ALCcontext* Context = nullptr;
AudioBackend::FeatureFlags Features = AudioBackend::FeatureFlags::None;
CriticalSection Locker;
Dictionary<uint32, AudioDataInfo> SourceIDtoFormat;
bool IsExtensionSupported(const char* extension)
{
@@ -75,32 +78,28 @@ namespace ALC
namespace Source
{
void Rebuild(AudioSource* source)
void Rebuild(uint32& sourceID, const Vector3& position, const Quaternion& orientation, float volume, float pitch, float pan, bool loop, bool spatial, float attenuation, float minDistance, float doppler)
{
ASSERT(source->SourceID == 0);
const bool is3D = source->Is3D();
const bool loop = source->GetIsLooping() && !source->UseStreaming();
uint32 sourceID = 0;
ASSERT_LOW_LAYER(sourceID == 0);
alGenSources(1, &sourceID);
source->SourceID = sourceID;
ASSERT_LOW_LAYER(sourceID != 0);
alSourcef(sourceID, AL_GAIN, source->GetVolume());
alSourcef(sourceID, AL_PITCH, source->GetPitch());
alSourcef(sourceID, AL_GAIN, volume);
alSourcef(sourceID, AL_PITCH, pitch);
alSourcef(sourceID, AL_SEC_OFFSET, 0.0f);
alSourcei(sourceID, AL_LOOPING, loop);
alSourcei(sourceID, AL_SOURCE_RELATIVE, !is3D);
alSourcei(sourceID, AL_SOURCE_RELATIVE, !spatial);
alSourcei(sourceID, AL_BUFFER, 0);
if (is3D)
if (spatial)
{
#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()));
alSourcef(sourceID, AL_ROLLOFF_FACTOR, attenuation);
alSourcef(sourceID, AL_DOPPLER_FACTOR, doppler);
alSourcef(sourceID, AL_REFERENCE_DISTANCE, FLAX_DST_TO_OAL(minDistance));
alSource3f(sourceID, AL_POSITION, FLAX_POS_TO_OAL(position));
alSource3f(sourceID, AL_VELOCITY, FLAX_VEL_TO_OAL(Vector3::Zero));
}
else
{
@@ -111,26 +110,23 @@ namespace ALC
alSource3f(sourceID, AL_VELOCITY, 0.0f, 0.0f, 0.0f);
}
#ifdef AL_EXT_STEREO_ANGLES
const float panAngle = source->GetPan() * PI_HALF;
const float panAngle = pan * 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 RebuildContext(bool isChangingDevice)
struct AudioSourceState
{
AudioSource::States State;
float Time;
};
void RebuildContext(const Array<AudioSourceState>& states)
{
LOG(Info, "Rebuilding audio contexts");
if (!isChangingDevice)
{
for (AudioSource* source : Audio::Sources)
source->Cleanup();
}
ClearContext();
if (Device == nullptr)
@@ -150,8 +146,39 @@ namespace ALC
for (AudioListener* listener : Audio::Listeners)
Listener::Rebuild(listener);
for (AudioSource* source : Audio::Sources)
Source::Rebuild(source);
for (int32 i = 0; i < states.Count(); i++)
{
AudioSource* source = Audio::Sources[i];
Source::Rebuild(source->SourceID, source->GetPosition(), source->GetOrientation(), source->GetVolume(), source->GetPitch(), source->GetPan(), source->GetIsLooping() && !source->UseStreaming(), source->Is3D(), source->GetAttenuation(), source->GetMinDistance(), source->GetDopplerFactor());
if (states.HasItems())
{
// Restore playback state
auto& state = states[i];
if (state.State != AudioSource::States::Stopped)
source->Play();
if (state.State == AudioSource::States::Paused)
source->Pause();
if (state.State != AudioSource::States::Stopped)
source->SetTime(state.Time);
}
}
}
void RebuildContext(bool isChangingDevice)
{
Array<AudioSourceState> states;
if (!isChangingDevice)
{
states.EnsureCapacity(Audio::Sources.Count());
for (AudioSource* source : Audio::Sources)
{
states.Add({ source->GetState(), source->GetTime() });
source->Stop();
}
}
RebuildContext(states);
}
}
@@ -269,74 +296,76 @@ void AudioBackendOAL::Listener_ReinitializeAll()
ALC::RebuildContext(false);
}
void AudioBackendOAL::Source_OnAdd(AudioSource* source)
uint32 AudioBackendOAL::Source_Add(const AudioDataInfo& format, const Vector3& position, const Quaternion& orientation, float volume, float pitch, float pan, bool loop, bool spatial, float attenuation, float minDistance, float doppler)
{
ALC::Source::Rebuild(source);
uint32 sourceID = 0;
ALC::Source::Rebuild(sourceID, position, orientation, volume, pitch, pan, loop, spatial, attenuation, minDistance, doppler);
// Cache audio data format assigned on source (used in Source_GetCurrentBufferTime)
ALC::Locker.Lock();
ALC::SourceIDtoFormat[sourceID] = format;
ALC::Locker.Unlock();
return sourceID;
}
void AudioBackendOAL::Source_OnRemove(AudioSource* source)
void AudioBackendOAL::Source_Remove(uint32 sourceID)
{
source->Cleanup();
alSourcei(sourceID, AL_BUFFER, 0);
ALC_CHECK_ERROR(alSourcei);
alDeleteSources(1, &sourceID);
ALC_CHECK_ERROR(alDeleteSources);
ALC::Locker.Lock();
ALC::SourceIDtoFormat.Remove(sourceID);
ALC::Locker.Unlock();
}
void AudioBackendOAL::Source_VelocityChanged(AudioSource* source)
void AudioBackendOAL::Source_VelocityChanged(uint32 sourceID, const Vector3& velocity)
{
if (!source->Is3D())
return;
const uint32 sourceID = source->SourceID;
alSource3f(sourceID, AL_VELOCITY, FLAX_VEL_TO_OAL(source->GetVelocity()));
alSource3f(sourceID, AL_VELOCITY, FLAX_VEL_TO_OAL(velocity));
}
void AudioBackendOAL::Source_TransformChanged(AudioSource* source)
void AudioBackendOAL::Source_TransformChanged(uint32 sourceID, const Vector3& position, const Quaternion& orientation)
{
if (!source->Is3D())
return;
const uint32 sourceID = source->SourceID;
alSource3f(sourceID, AL_POSITION, FLAX_POS_TO_OAL(source->GetPosition()));
alSource3f(sourceID, AL_POSITION, FLAX_POS_TO_OAL(position));
}
void AudioBackendOAL::Source_VolumeChanged(AudioSource* source)
void AudioBackendOAL::Source_VolumeChanged(uint32 sourceID, float volume)
{
const uint32 sourceID = source->SourceID;
alSourcef(sourceID, AL_GAIN, source->GetVolume());
alSourcef(sourceID, AL_GAIN, volume);
}
void AudioBackendOAL::Source_PitchChanged(AudioSource* source)
void AudioBackendOAL::Source_PitchChanged(uint32 sourceID, float pitch)
{
const uint32 sourceID = source->SourceID;
alSourcef(sourceID, AL_PITCH, source->GetPitch());
alSourcef(sourceID, AL_PITCH, pitch);
}
void AudioBackendOAL::Source_PanChanged(AudioSource* source)
void AudioBackendOAL::Source_PanChanged(uint32 sourceID, float pan)
{
#ifdef AL_EXT_STEREO_ANGLES
const float panAngle = source->GetPan() * PI_HALF;
const float panAngle = pan * PI_HALF;
const ALfloat panAngles[2] = { (ALfloat)(PI / 6.0 - panAngle), (ALfloat)(-PI / 6.0 - panAngle) }; // Angles are specified counter-clockwise in radians
const uint32 sourceID = source->SourceID;
alSourcefv(sourceID, AL_STEREO_ANGLES, panAngles);
#endif
}
void AudioBackendOAL::Source_IsLoopingChanged(AudioSource* source)
void AudioBackendOAL::Source_IsLoopingChanged(uint32 sourceID, bool loop)
{
const bool loop = source->GetIsLooping() && !source->UseStreaming();
const uint32 sourceID = source->SourceID;
alSourcei(sourceID, AL_LOOPING, loop);
}
void AudioBackendOAL::Source_SpatialSetupChanged(AudioSource* source)
void AudioBackendOAL::Source_SpatialSetupChanged(uint32 sourceID, bool spatial, float attenuation, float minDistance, float doppler)
{
const bool is3D = source->Is3D();
const uint32 sourceID = source->SourceID;
alSourcei(sourceID, AL_SOURCE_RELATIVE, !is3D);
if (is3D)
alSourcei(sourceID, AL_SOURCE_RELATIVE, !spatial);
if (spatial)
{
#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()));
alSourcef(sourceID, AL_ROLLOFF_FACTOR, attenuation);
alSourcef(sourceID, AL_DOPPLER_FACTOR, doppler);
alSourcef(sourceID, AL_REFERENCE_DISTANCE, FLAX_DST_TO_OAL(minDistance));
}
else
{
@@ -346,46 +375,20 @@ void AudioBackendOAL::Source_SpatialSetupChanged(AudioSource* source)
}
}
void AudioBackendOAL::Source_ClipLoaded(AudioSource* source)
void AudioBackendOAL::Source_Play(uint32 sourceID)
{
if (source->SourceID == 0)
return;
const auto clip = source->Clip.Get();
const bool is3D = source->Is3D();
const bool loop = source->GetIsLooping() && !clip->IsStreamable();
const uint32 sourceID = source->SourceID;
alSourcei(sourceID, AL_SOURCE_RELATIVE, !is3D);
alSourcei(sourceID, AL_LOOPING, loop);
}
void AudioBackendOAL::Source_Cleanup(AudioSource* source)
{
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)
{
const uint32 sourceID = source->SourceID;
alSourcePlay(sourceID);
ALC_CHECK_ERROR(alSourcePlay);
}
void AudioBackendOAL::Source_Pause(AudioSource* source)
void AudioBackendOAL::Source_Pause(uint32 sourceID)
{
const uint32 sourceID = source->SourceID;
alSourcePause(sourceID);
ALC_CHECK_ERROR(alSourcePause);
}
void AudioBackendOAL::Source_Stop(AudioSource* source)
void AudioBackendOAL::Source_Stop(uint32 sourceID)
{
const uint32 sourceID = source->SourceID;
// Stop and rewind
alSourceRewind(sourceID);
ALC_CHECK_ERROR(alSourceRewind);
@@ -396,67 +399,61 @@ void AudioBackendOAL::Source_Stop(AudioSource* source)
ALC_CHECK_ERROR(alSourcei);
}
void AudioBackendOAL::Source_SetCurrentBufferTime(AudioSource* source, float value)
void AudioBackendOAL::Source_SetCurrentBufferTime(uint32 sourceID, float value)
{
const uint32 sourceID = source->SourceID;
alSourcef(sourceID, AL_SEC_OFFSET, value);
}
float AudioBackendOAL::Source_GetCurrentBufferTime(const AudioSource* source)
float AudioBackendOAL::Source_GetCurrentBufferTime(uint32 sourceID)
{
#if 0
float time;
alGetSourcef(source->SourceID, AL_SEC_OFFSET, &time);
alGetSourcef(sourceID, AL_SEC_OFFSET, &time);
#else
ASSERT(source->Clip && source->Clip->IsLoaded());
const AudioDataInfo& clipInfo = source->Clip->AudioHeader.Info;
ALC::Locker.Lock();
AudioDataInfo clipInfo = ALC::SourceIDtoFormat[sourceID];
ALC::Locker.Unlock();
ALint samplesPlayed;
alGetSourcei(source->SourceID, AL_SAMPLE_OFFSET, &samplesPlayed);
alGetSourcei(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));
if (totalSamples > 0)
samplesPlayed %= totalSamples;
const float time = samplesPlayed / static_cast<float>(Math::Max(1U, clipInfo.SampleRate));
#endif
return time;
}
void AudioBackendOAL::Source_SetNonStreamingBuffer(AudioSource* source)
void AudioBackendOAL::Source_SetNonStreamingBuffer(uint32 sourceID, uint32 bufferID)
{
const uint32 bufferId = source->Clip->Buffers[0];
const uint32 sourceID = source->SourceID;
alSourcei(sourceID, AL_BUFFER, bufferId);
alSourcei(sourceID, AL_BUFFER, bufferID);
ALC_CHECK_ERROR(alSourcei);
}
void AudioBackendOAL::Source_GetProcessedBuffersCount(AudioSource* source, int32& processedBuffersCount)
void AudioBackendOAL::Source_GetProcessedBuffersCount(uint32 sourceID, int32& processedBuffersCount)
{
// Check the first context only
const uint32 sourceID = source->SourceID;
alGetSourcei(sourceID, AL_BUFFERS_PROCESSED, &processedBuffersCount);
ALC_CHECK_ERROR(alGetSourcei);
}
void AudioBackendOAL::Source_GetQueuedBuffersCount(AudioSource* source, int32& queuedBuffersCount)
void AudioBackendOAL::Source_GetQueuedBuffersCount(uint32 sourceID, int32& queuedBuffersCount)
{
// Check the first context only
const uint32 sourceID = source->SourceID;
alGetSourcei(sourceID, AL_BUFFERS_QUEUED, &queuedBuffersCount);
ALC_CHECK_ERROR(alGetSourcei);
}
void AudioBackendOAL::Source_QueueBuffer(AudioSource* source, uint32 bufferId)
void AudioBackendOAL::Source_QueueBuffer(uint32 sourceID, uint32 bufferID)
{
const uint32 sourceID = source->SourceID;
// Queue new buffer
alSourceQueueBuffers(sourceID, 1, &bufferId);
alSourceQueueBuffers(sourceID, 1, &bufferID);
ALC_CHECK_ERROR(alSourceQueueBuffers);
}
void AudioBackendOAL::Source_DequeueProcessedBuffers(AudioSource* source)
void AudioBackendOAL::Source_DequeueProcessedBuffers(uint32 sourceID)
{
ALuint buffers[AUDIO_MAX_SOURCE_BUFFERS];
const uint32 sourceID = source->SourceID;
int32 numProcessedBuffers;
ALuint buffers[AUDIO_MAX_SOURCE_BUFFERS];
alGetSourcei(sourceID, AL_BUFFERS_PROCESSED, &numProcessedBuffers);
alSourceUnqueueBuffers(sourceID, numProcessedBuffers, buffers);
ALC_CHECK_ERROR(alSourceUnqueueBuffers);
@@ -464,19 +461,19 @@ void AudioBackendOAL::Source_DequeueProcessedBuffers(AudioSource* source)
uint32 AudioBackendOAL::Buffer_Create()
{
uint32 bufferId;
alGenBuffers(1, &bufferId);
uint32 bufferID;
alGenBuffers(1, &bufferID);
ALC_CHECK_ERROR(alGenBuffers);
return bufferId;
return bufferID;
}
void AudioBackendOAL::Buffer_Delete(uint32 bufferId)
void AudioBackendOAL::Buffer_Delete(uint32 bufferID)
{
alDeleteBuffers(1, &bufferId);
alDeleteBuffers(1, &bufferID);
ALC_CHECK_ERROR(alDeleteBuffers);
}
void AudioBackendOAL::Buffer_Write(uint32 bufferId, byte* samples, const AudioDataInfo& info)
void AudioBackendOAL::Buffer_Write(uint32 bufferID, byte* samples, const AudioDataInfo& info)
{
PROFILE_CPU();
@@ -495,7 +492,7 @@ void AudioBackendOAL::Buffer_Write(uint32 bufferId, byte* samples, const AudioDa
AudioTool::ConvertToFloat(samples, info.BitDepth, sampleBufferFloat, info.NumSamples);
format = GetOpenALBufferFormat(info.NumChannels, 32);
alBufferData(bufferId, format, sampleBufferFloat, bufferSize, info.SampleRate);
alBufferData(bufferID, format, sampleBufferFloat, bufferSize, info.SampleRate);
ALC_CHECK_ERROR(alBufferData);
Allocator::Free(sampleBufferFloat);
}
@@ -507,7 +504,7 @@ void AudioBackendOAL::Buffer_Write(uint32 bufferId, byte* samples, const AudioDa
AudioTool::ConvertBitDepth(samples, info.BitDepth, sampleBuffer16, 16, info.NumSamples);
format = GetOpenALBufferFormat(info.NumChannels, 16);
alBufferData(bufferId, format, sampleBuffer16, bufferSize, info.SampleRate);
alBufferData(bufferID, format, sampleBuffer16, bufferSize, info.SampleRate);
ALC_CHECK_ERROR(alBufferData);
Allocator::Free(sampleBuffer16);
}
@@ -520,13 +517,13 @@ void AudioBackendOAL::Buffer_Write(uint32 bufferId, byte* samples, const AudioDa
for (uint32 i = 0; i < info.NumSamples; i++)
sampleBuffer[i] = ((int8*)samples)[i] + 128;
alBufferData(bufferId, format, sampleBuffer, bufferSize, info.SampleRate);
alBufferData(bufferID, format, sampleBuffer, bufferSize, info.SampleRate);
ALC_CHECK_ERROR(alBufferData);
Allocator::Free(sampleBuffer);
}
else if (format)
{
alBufferData(bufferId, format, samples, info.NumSamples * (info.BitDepth / 8), info.SampleRate);
alBufferData(bufferID, format, samples, info.NumSamples * (info.BitDepth / 8), info.SampleRate);
ALC_CHECK_ERROR(alBufferData);
}
}
@@ -543,7 +540,7 @@ void AudioBackendOAL::Buffer_Write(uint32 bufferId, byte* samples, const AudioDa
AudioTool::ConvertBitDepth(samples, info.BitDepth, sampleBuffer32, 32, info.NumSamples);
format = GetOpenALBufferFormat(info.NumChannels, 32);
alBufferData(bufferId, format, sampleBuffer32, bufferSize, info.SampleRate);
alBufferData(bufferID, format, sampleBuffer32, bufferSize, info.SampleRate);
ALC_CHECK_ERROR(alBufferData);
Allocator::Free(sampleBuffer32);
@@ -558,14 +555,14 @@ void AudioBackendOAL::Buffer_Write(uint32 bufferId, byte* samples, const AudioDa
sampleBuffer[i] = ((int8*)samples)[i] + 128;
format = GetOpenALBufferFormat(info.NumChannels, 16);
alBufferData(bufferId, format, sampleBuffer, bufferSize, info.SampleRate);
alBufferData(bufferID, format, sampleBuffer, bufferSize, info.SampleRate);
ALC_CHECK_ERROR(alBufferData);
Allocator::Free(sampleBuffer);
}
else if (format)
{
alBufferData(bufferId, format, samples, info.NumSamples * (info.BitDepth / 8), info.SampleRate);
alBufferData(bufferID, format, samples, info.NumSamples * (info.BitDepth / 8), info.SampleRate);
ALC_CHECK_ERROR(alBufferData);
}
}
@@ -589,8 +586,18 @@ AudioBackend::FeatureFlags AudioBackendOAL::Base_Features()
void AudioBackendOAL::Base_OnActiveDeviceChanged()
{
// Cleanup
Array<ALC::AudioSourceState> states;
states.EnsureCapacity(Audio::Sources.Count());
for (AudioSource* source : Audio::Sources)
source->Cleanup();
{
states.Add({ source->GetState(), source->GetTime() });
source->Stop();
if (source->SourceID)
{
Source_Remove(source->SourceID);
source->SourceID = 0;
}
}
ALC::ClearContext();
if (ALC::Device != nullptr)
{
@@ -608,7 +615,7 @@ void AudioBackendOAL::Base_OnActiveDeviceChanged()
}
// Setup
ALC::RebuildContext(true);
ALC::RebuildContext(states);
}
void AudioBackendOAL::Base_SetDopplerFactor(float value)

View File

@@ -17,30 +17,28 @@ public:
void Listener_VelocityChanged(const Vector3& velocity) override;
void Listener_TransformChanged(const Vector3& position, const Quaternion& orientation) override;
void Listener_ReinitializeAll() override;
void Source_OnAdd(AudioSource* source) override;
void Source_OnRemove(AudioSource* source) override;
void Source_VelocityChanged(AudioSource* source) override;
void Source_TransformChanged(AudioSource* source) override;
void Source_VolumeChanged(AudioSource* source) override;
void Source_PitchChanged(AudioSource* source) override;
void Source_PanChanged(AudioSource* source) override;
void Source_IsLoopingChanged(AudioSource* source) override;
void Source_SpatialSetupChanged(AudioSource* source) override;
void Source_ClipLoaded(AudioSource* source) override;
void Source_Cleanup(AudioSource* source) override;
void Source_Play(AudioSource* source) override;
void Source_Pause(AudioSource* source) override;
void Source_Stop(AudioSource* source) override;
void Source_SetCurrentBufferTime(AudioSource* source, float value) override;
float Source_GetCurrentBufferTime(const AudioSource* source) override;
void Source_SetNonStreamingBuffer(AudioSource* source) override;
void Source_GetProcessedBuffersCount(AudioSource* source, int32& processedBuffersCount) override;
void Source_GetQueuedBuffersCount(AudioSource* source, int32& queuedBuffersCount) override;
void Source_QueueBuffer(AudioSource* source, uint32 bufferId) override;
void Source_DequeueProcessedBuffers(AudioSource* source) override;
uint32 Source_Add(const AudioDataInfo& format, const Vector3& position, const Quaternion& orientation, float volume, float pitch, float pan, bool loop, bool spatial, float attenuation, float minDistance, float doppler) override;
void Source_Remove(uint32 sourceID) override;
void Source_VelocityChanged(uint32 sourceID, const Vector3& velocity) override;
void Source_TransformChanged(uint32 sourceID, const Vector3& position, const Quaternion& orientation) override;
void Source_VolumeChanged(uint32 sourceID, float volume) override;
void Source_PitchChanged(uint32 sourceID, float pitch) override;
void Source_PanChanged(uint32 sourceID, float pan) override;
void Source_IsLoopingChanged(uint32 sourceID, bool loop) override;
void Source_SpatialSetupChanged(uint32 sourceID, bool spatial, float attenuation, float minDistance, float doppler) override;
void Source_Play(uint32 sourceID) override;
void Source_Pause(uint32 sourceID) override;
void Source_Stop(uint32 sourceID) override;
void Source_SetCurrentBufferTime(uint32 sourceID, float value) override;
float Source_GetCurrentBufferTime(uint32 sourceID) override;
void Source_SetNonStreamingBuffer(uint32 sourceID, uint32 bufferID) override;
void Source_GetProcessedBuffersCount(uint32 sourceID, int32& processedBuffersCount) override;
void Source_GetQueuedBuffersCount(uint32 sourceID, int32& queuedBuffersCount) override;
void Source_QueueBuffer(uint32 sourceID, uint32 bufferID) override;
void Source_DequeueProcessedBuffers(uint32 sourceID) override;
uint32 Buffer_Create() override;
void Buffer_Delete(uint32 bufferId) override;
void Buffer_Write(uint32 bufferId, byte* samples, const AudioDataInfo& info) override;
void Buffer_Delete(uint32 bufferID) override;
void Buffer_Write(uint32 bufferID, byte* samples, const AudioDataInfo& info) override;
const Char* Base_Name() override;
FeatureFlags Base_Features() override;
void Base_OnActiveDeviceChanged() override;