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#rnx #rb none #ROBOMERGE-OWNER: ryan.durand #ROBOMERGE-AUTHOR: ryan.durand #ROBOMERGE-SOURCE: CL 10869210 via CL 10869511 via CL 10869900 #ROBOMERGE-BOT: (v613-10869866) [CL 10870549 by ryan durand in Main branch]
112 lines
4.3 KiB
C++
112 lines
4.3 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "SoundFileIOEnums.h"
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namespace Audio
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{
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using SoundFileCount = int64;
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/**
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* Specifies a sound file description.
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*/
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struct FSoundFileDescription
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{
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/** The number of frames (interleaved samples) in the sound file. */
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int64 NumFrames;
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/** The sample rate of the sound file. */
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int32 SampleRate;
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/** The number of channels of the sound file. */
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int32 NumChannels;
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/** The format flags of the sound file. */
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int32 FormatFlags;
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/** The number of sections of the sound file. */
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int32 NumSections;
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/** Whether or not the sound file is seekable. */
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int32 bIsSeekable;
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};
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struct FSoundFileConvertFormat
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{
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/** Desired convert format. */
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int32 Format;
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/** Desired convert sample rate. */
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uint32 SampleRate;
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/** For compression-type target formats that used an encoding quality (0.0 = low, 1.0 = high). */
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double EncodingQuality;
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/** Whether or not to peak-normalize the audio file during import. */
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bool bPerformPeakNormalization;
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/** Creates audio engine's default source format */
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static FSoundFileConvertFormat CreateDefault()
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{
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FSoundFileConvertFormat Default = FSoundFileConvertFormat();
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Default.Format = Audio::ESoundFileFormat::WAV | Audio::ESoundFileFormat::PCM_SIGNED_16;
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Default.SampleRate = 48000;
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Default.EncodingQuality = 1.0;
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Default.bPerformPeakNormalization = false;
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return MoveTemp(Default);
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}
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};
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/**
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* ISoundFile
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*/
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class ISoundFile
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{
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public:
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virtual ~ISoundFile() {}
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virtual ESoundFileError::Type GetState(ESoundFileState::Type& OutState) const = 0;
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virtual ESoundFileError::Type GetError() const = 0;
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virtual ESoundFileError::Type GetId(uint32& OutId) const = 0;
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virtual ESoundFileError::Type GetPath(FName& OutPath) const = 0;
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virtual ESoundFileError::Type GetBulkData(TArray<uint8>** OutData) const = 0;
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virtual ESoundFileError::Type GetDataSize(int32& DataSize) const = 0;
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virtual ESoundFileError::Type GetDescription(FSoundFileDescription& OutDescription) const = 0;
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virtual ESoundFileError::Type GetChannelMap(TArray<ESoundFileChannelMap::Type>& OutChannelMap) const = 0;
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virtual ESoundFileError::Type IsStreamed(bool& bOutIsStreamed) const = 0;
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};
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class ISoundFileReader
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{
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public:
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virtual ~ISoundFileReader() {}
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virtual ESoundFileError::Type Init(TSharedPtr<ISoundFile> InSoundFileData, bool bIsStreamed) = 0;
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virtual ESoundFileError::Type Init(const TArray<uint8>* InData) = 0;
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virtual ESoundFileError::Type Release() = 0;
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virtual ESoundFileError::Type SeekFrames(SoundFileCount Offset, ESoundFileSeekMode::Type SeekMode, SoundFileCount& OutOffset) = 0;
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virtual ESoundFileError::Type ReadFrames(float* DataPtr, SoundFileCount NumFrames, SoundFileCount& OutNumFramesRead) = 0;
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virtual ESoundFileError::Type ReadFrames(double* DataPtr, SoundFileCount NumFrames, SoundFileCount& OutNumFramesRead) = 0;
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virtual ESoundFileError::Type ReadSamples(float* DataPtr, SoundFileCount NumSamples, SoundFileCount& OutNumSamplesRead) = 0;
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virtual ESoundFileError::Type ReadSamples(double* DataPtr, SoundFileCount NumSamples, SoundFileCount& OutNumSamplesRead) = 0;
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virtual ESoundFileError::Type GetDescription(FSoundFileDescription& OutputDescription, TArray<ESoundFileChannelMap::Type>& OutChannelMap) = 0;
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};
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class ISoundFileWriter
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{
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public:
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virtual ~ISoundFileWriter() {}
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virtual ESoundFileError::Type Init(const FSoundFileDescription& FileDescription, const TArray<ESoundFileChannelMap::Type>& InChannelMap, double EncodingQuality) = 0;
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virtual ESoundFileError::Type Release() = 0;
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virtual ESoundFileError::Type SeekFrames(SoundFileCount Offset, ESoundFileSeekMode::Type SeekMode, SoundFileCount& OutOffset) = 0;
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virtual ESoundFileError::Type WriteFrames(const float* Data, SoundFileCount NumFrames, SoundFileCount& OutNumFramesWritten) = 0;
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virtual ESoundFileError::Type WriteFrames(const double* Data, SoundFileCount NumFrames, SoundFileCount& OutNumFramesWritten) = 0;
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virtual ESoundFileError::Type WriteSamples(const float* DataPtr, SoundFileCount NumSamples, SoundFileCount& OutNumSampleWritten) = 0;
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virtual ESoundFileError::Type WriteSamples(const double* DataPtr, SoundFileCount NumSamples, SoundFileCount& OutNumSampleWritten) = 0;
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virtual ESoundFileError::Type GetData(TArray<uint8>** OutData) = 0;
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};
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} // namespace Audio
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