tracktion_AudioFileWriter.h

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 /*
    ,--.                     ,--.     ,--.  ,--.
  ,-'  '-.,--.--.,--,--.,---.|  |,-.,-'  '-.`--' ,---. ,--,--,      Copyright 2024
  '-.  .-'|  .--' ,-.  | .--'|     /'-.  .-',--.| .-. ||      \   Tracktion Software
    |  |  |  |  \ '-'  \ `--.|  \  \  |  |  |  |' '-' '|  ||  |       Corporation
    `---' `--'   `--`--'`---'`--'`--' `---' `--' `---' `--''--'    www.tracktion.com
 
    Tracktion Engine uses a GPL/commercial licence - see LICENCE.md for details.
*/
 
namespace tracktion { inline namespace engine
{
 
//==============================================================================
class AudioFileWriter   : public juce::ReferenceCountedObject
{
public:
    AudioFileWriter (const AudioFile& file,
                     juce::AudioFormat* formatToUse,
                     int numChannels,
                     double sampleRate,
                     int bitsPerSample,
                     const juce::StringPairArray& metadata,
                     int quality);
 
    ~AudioFileWriter();
 
    //==============================================================================
    bool isOpen() const noexcept;
 
    double getSampleRate() const noexcept;
 
    int getNumChannels() const noexcept;
 
    //==============================================================================
    bool appendBuffer (juce::AudioBuffer<float>& buffer, int numSamples);
 
    bool appendBuffer (const int** buffer, int numSamples);
 
    bool writeFromAudioReader (juce::AudioFormatReader&, SampleCount startSample, SampleCount numSamples);
 
    void closeForWriting();
 
    AudioFile file;
 
private:
    int samplesUntilFlush;
    std::unique_ptr<juce::AudioFormatWriter> writer;
    juce::CriticalSection writerLock;
};
 
}} // namespace tracktion { inline namespace engine