SIZE_T USoundCue::GetResourceSize(EResourceSizeMode::Type Mode)
{
if( Mode == EResourceSizeMode::Exclusive )
{
return( 0 );
}
else
{
// Sum up the size of referenced waves
int32 ResourceSize = 0;
TArray<USoundNodeWavePlayer*> WavePlayers;
RecursiveFindNode<USoundNodeWavePlayer>( FirstNode, WavePlayers );
for( int32 WaveIndex = 0; WaveIndex < WavePlayers.Num(); ++WaveIndex )
{
USoundWave* SoundWave = WavePlayers[WaveIndex]->GetSoundWave();
if (SoundWave)
{
ResourceSize += SoundWave->GetResourceSize(Mode);
}
}
return( ResourceSize );
}
}
EReimportResult::Type UMP3SoundFactory::Reimport(UObject* Obj)
{
if (Obj == nullptr || Cast<USoundWave>(Obj) == nullptr)
{
return EReimportResult::Failed;
}
USoundWave* SoundWave = Cast<USoundWave>(Obj);
const FString Filename = SoundWave->AssetImportData->GetFirstFilename();
const FString FileExtension = FPaths::GetExtension(Filename);
if (FileExtension.Compare("MP3", ESearchCase::IgnoreCase) != 0)
return EReimportResult::Failed;
UE_LOG(MP3ImporterLog, Log, TEXT("Reimport triggered for %s"), *Filename);
if (UFactory::StaticImportObject(SoundWave->GetClass(), SoundWave->GetOuter(), *SoundWave->GetName(), RF_Public | RF_Standalone, *Filename, nullptr, this))
{
UE_LOG(MP3ImporterLog, Log, TEXT("Reimport successfull"));
SoundWave->AssetImportData->Update(Filename);
SoundWave->MarkPackageDirty();
return EReimportResult::Succeeded;
}
else
{
UE_LOG(MP3ImporterLog, Warning, TEXT("Reimport failed!"));
return EReimportResult::Failed;
}
}
void USoundWave::GetAssetRegistryTags(TArray<FAssetRegistryTag>& OutTags) const
{
Super::GetAssetRegistryTags(OutTags);
// GetCompressedDataSize could technically modify this->CompressedFormatData therefore it is not const, however this information
// is very useful in the asset registry so we will allow GetCompressedDataSize to be modified if the formats do not exist
USoundWave* MutableThis = const_cast<USoundWave*>(this);
const FString OggSize = FString::Printf(TEXT("%.2f"), MutableThis->GetCompressedDataSize("OGG") / 1024.0f );
OutTags.Add( FAssetRegistryTag("OggSize", OggSize, UObject::FAssetRegistryTag::TT_Numerical) );
}
/**
* This will return the name of the SoundClass of the Sound that this buffer(SoundWave) belongs to.
* NOTE: This will find the first cue in the ObjectIterator list. So if we are using SoundWaves in multiple
* places we will pick up the first one only.
**/
FName FSoundBuffer::GetSoundClassName()
{
// need to look in all cues
for (TObjectIterator<USoundBase> It; It; ++It)
{
USoundCue* Cue = Cast<USoundCue>(*It);
if (Cue)
{
// get all the waves this cue uses
TArray<USoundNodeWavePlayer*> WavePlayers;
Cue->RecursiveFindNode<USoundNodeWavePlayer>(Cue->FirstNode, WavePlayers);
// look through them to see if this cue uses a wave this buffer is bound to, via ResourceID
for (int32 WaveIndex = 0; WaveIndex < WavePlayers.Num(); ++WaveIndex)
{
USoundWave* WaveNode = WavePlayers[WaveIndex]->GetSoundWave();
if (WaveNode != NULL)
{
if (WaveNode->ResourceID == ResourceID)
{
if (Cue->GetSoundClass())
{
return Cue->GetSoundClass()->GetFName();
}
else
{
return NAME_None;
}
}
}
}
}
else
{
USoundWave* Wave = Cast<USoundWave>(*It);
if (Wave && Wave->ResourceID == ResourceID)
{
if (Wave->GetSoundClass())
{
return Wave->GetSoundClass()->GetFName();
}
else
{
return NAME_None;
}
}
}
}
return NAME_None;
}
void USoundNodeWaveParam::ParseNodes( FAudioDevice* AudioDevice, const UPTRINT NodeWaveInstanceHash, FActiveSound& ActiveSound, const FSoundParseParameters& ParseParams, TArray<FWaveInstance*>& WaveInstances )
{
USoundWave* NewWave = NULL;
ActiveSound.GetWaveParameter( WaveParameterName, NewWave );
if( NewWave != NULL )
{
NewWave->Parse( AudioDevice, GetNodeWaveInstanceHash(NodeWaveInstanceHash, (UPTRINT)NewWave, 0), ActiveSound, ParseParams, WaveInstances );
}
else
{
// use the default node linked to us, if any
Super::ParseNodes( AudioDevice, NodeWaveInstanceHash, ActiveSound, ParseParams, WaveInstances );
}
}
void USoundWave::GetAssetRegistryTags(TArray<FAssetRegistryTag>& OutTags) const
{
Super::GetAssetRegistryTags(OutTags);
#if WITH_EDITORONLY_DATA
if (AssetImportData)
{
OutTags.Add( FAssetRegistryTag(SourceFileTagName(), AssetImportData->GetSourceData().ToJson(), FAssetRegistryTag::TT_Hidden) );
}
#endif
// GetCompressedDataSize could technically modify this->CompressedFormatData therefore it is not const, however this information
// is very useful in the asset registry so we will allow GetCompressedDataSize to be modified if the formats do not exist
USoundWave* MutableThis = const_cast<USoundWave*>(this);
const FString OggSize = FString::Printf(TEXT("%.2f"), MutableThis->GetCompressedDataSize("OGG") / 1024.0f );
OutTags.Add( FAssetRegistryTag("OggSize", OggSize, UObject::FAssetRegistryTag::TT_Numerical) );
}
int32 USoundCue::GetResourceSizeForFormat(FName Format)
{
TArray<USoundNodeWavePlayer*> WavePlayers;
RecursiveFindNode<USoundNodeWavePlayer>(FirstNode, WavePlayers);
int32 ResourceSize = 0;
for (int32 WaveIndex = 0; WaveIndex < WavePlayers.Num(); ++WaveIndex)
{
USoundWave* SoundWave = WavePlayers[WaveIndex]->GetSoundWave();
if (SoundWave)
{
ResourceSize += SoundWave->GetResourceSizeForFormat(Format);
}
}
return ResourceSize;
}
bool FMixerSource::ReadMorePCMRTData(const int32 BufferIndex, EBufferReadMode BufferReadMode, bool* OutLooped)
{
USoundWave* WaveData = WaveInstance->WaveData;
if (WaveData && WaveData->bProcedural)
{
AUDIO_MIXER_CHECK_AUDIO_PLAT_THREAD(MixerDevice);
const int32 MaxSamples = (MONO_PCM_BUFFER_SIZE * Buffer->NumChannels) / sizeof(int16);
if (BufferReadMode == EBufferReadMode::Synchronous || WaveData->bCanProcessAsync == false)
{
const int32 BytesWritten = WaveData->GeneratePCMData(SourceVoiceBuffers[BufferIndex]->AudioData.GetData(), MaxSamples);
SourceVoiceBuffers[BufferIndex]->AudioBytes = BytesWritten;
}
else
{
check(!AsyncRealtimeAudioTask);
AsyncRealtimeAudioTask = new FAsyncRealtimeAudioTask(WaveData, SourceVoiceBuffers[BufferIndex]->AudioData.GetData(), MaxSamples);
AsyncRealtimeAudioTask->StartBackgroundTask();
}
// Not looping
return false;
}
else if (BufferReadMode == EBufferReadMode::Synchronous)
{
return MixerBuffer->ReadCompressedData(SourceVoiceBuffers[BufferIndex]->AudioData.GetData(), WaveInstance->LoopingMode != LOOP_Never);
}
else
{
AUDIO_MIXER_CHECK_AUDIO_PLAT_THREAD(MixerDevice);
check(!AsyncRealtimeAudioTask);
AsyncRealtimeAudioTask = new FAsyncRealtimeAudioTask(MixerBuffer, SourceVoiceBuffers[BufferIndex]->AudioData.GetData(), WaveInstance->LoopingMode != LOOP_Never, BufferReadMode == EBufferReadMode::AsynchronousSkipFirstFrame);
AsyncRealtimeAudioTask->StartBackgroundTask();
// Not looping
return false;
}
}
bool USoundWave::IsReadyForFinishDestroy()
{
const bool bIsStreamingInProgress = IStreamingManager::Get().GetAudioStreamingManager().IsStreamingInProgress(this);
// Wait till streaming and decompression finishes before deleting resource.
if ( !bIsStreamingInProgress && (( AudioDecompressor == nullptr ) || AudioDecompressor->IsDone()) )
{
if (ResourceState == ESoundWaveResourceState::NeedsFree)
{
DECLARE_CYCLE_STAT(TEXT("FAudioThreadTask.FreeResources"), STAT_AudioFreeResources, STATGROUP_AudioThreadCommands);
USoundWave* SoundWave = this;
ResourceState = ESoundWaveResourceState::Freeing;
FAudioThread::RunCommandOnAudioThread([SoundWave]()
{
SoundWave->FreeResources();
}, GET_STATID(STAT_AudioFreeResources));
}
}
return ResourceState == ESoundWaveResourceState::Freed;
}
UObject* UMP3SoundFactory::FactoryCreateBinary(UClass* Class, UObject* InParent, FName Name, EObjectFlags Flags, UObject* Context, const TCHAR* Type, const uint8*& Buffer, const uint8* BufferEnd, FFeedbackContext* Warn)
{
FEditorDelegates::OnAssetPreImport.Broadcast(this, Class, InParent, Name, Type);
if (mpg123_init == nullptr)
{
Warn->Logf(ELogVerbosity::Error, TEXT("Function pointer was null. Was %s found?"), DLL_NAME);
FEditorDelegates::OnAssetPostImport.Broadcast(this, nullptr);
return nullptr;
}
// if the sound already exists, remember the user settings
USoundWave* ExistingSound = FindObject<USoundWave>(InParent, *Name.ToString());
// stop playing the file, if it already exists (e.g. reimport)
TArray<UAudioComponent*> ComponentsToRestart;
FAudioDeviceManager* AudioDeviceManager = GEngine->GetAudioDeviceManager();
if (AudioDeviceManager && ExistingSound)
{
AudioDeviceManager->StopSoundsUsingResource(ExistingSound, ComponentsToRestart);
}
// Read the mp3 header and make sure we have valid data
UMP3Decoder Decoder(Warn);
Decoder.Init(Buffer, BufferEnd);
if (Decoder.BitsPerSample != 16)
{
Warn->Logf(ELogVerbosity::Error, TEXT("Unreal only supports 16bit WAVE data (%s)."), *Name.ToString());
FEditorDelegates::OnAssetPostImport.Broadcast(this, nullptr);
return nullptr;
}
if (Decoder.Channels != 1 && Decoder.Channels != 2)
{
Warn->Logf(ELogVerbosity::Error, TEXT("Unreal only supports 1-2 channel WAVE data (Mono/Stereo). (%s)."), *Name.ToString());
FEditorDelegates::OnAssetPostImport.Broadcast(this, nullptr);
return nullptr;
}
//on reimport, reuse settings, wipe data. otherwise create new. (UE4 WAVE import has some more checks, maybe implement, too?)
USoundWave* Sound;
if (ExistingSound && bMP3SoundFactoryIsReimport)
{
Sound = ExistingSound;
Sound->FreeResources();
Sound->InvalidateCompressedData();
}
else
{
Sound = NewObject<USoundWave>(InParent, Name, Flags);
}
Sound->AssetImportData->Update(GetCurrentFilename());
TArray<uint8> RawWavBuffer;
RawWavBuffer.Reserve((BufferEnd - Buffer) * 16);
//actual decoding
Decoder.Decode(RawWavBuffer);
Sound->RawData.Lock(LOCK_READ_WRITE);
void* LockedData = Sound->RawData.Realloc(RawWavBuffer.Num() * RawWavBuffer.GetTypeSize());
FMemory::Memcpy(LockedData, RawWavBuffer.GetData(), RawWavBuffer.Num() * RawWavBuffer.GetTypeSize());
Sound->RawData.Unlock();
RawWavBuffer.Empty();
// Calculate duration.
Sound->Duration = (float)Decoder.SizeInBytes / Decoder.Samplerate / Decoder.Channels / (BITS_PER_SAMPLE / 8);
Sound->SampleRate = Decoder.Samplerate;
Sound->NumChannels = Decoder.Channels;
Sound->RawPCMDataSize = Decoder.SizeInBytes;
FEditorDelegates::OnAssetPostImport.Broadcast(this, Sound);
if (ExistingSound)
{
Sound->PostEditChange();
}
for (int32 ComponentIndex = 0; ComponentIndex < ComponentsToRestart.Num(); ++ComponentIndex)
{
ComponentsToRestart[ComponentIndex]->Play();
}
return Sound;
}