juce_AudioSubsectionReader.h

/*
  ==============================================================================
 
   This file is part of the JUCE library.
   Copyright (c) 2022 - Raw Material Software Limited
 
   JUCE is an open source library subject to commercial or open-source
   licensing.
 
   By using JUCE, you agree to the terms of both the JUCE 7 End-User License
   Agreement and JUCE Privacy Policy.
 
   End User License Agreement: www.juce.com/juce-7-licence
   Privacy Policy: www.juce.com/juce-privacy-policy
 
   Or: You may also use this code under the terms of the GPL v3 (see
   www.gnu.org/licenses).
 
   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
   DISCLAIMED.
 
  ==============================================================================
*/
 
namespace juce
{
 
//==============================================================================
class JUCE_API  AudioSubsectionReader  : public AudioFormatReader
{
public:
    //==============================================================================
    AudioSubsectionReader (AudioFormatReader* sourceReader,
                           int64 subsectionStartSample,
                           int64 subsectionLength,
                           bool deleteSourceWhenDeleted);
 
    ~AudioSubsectionReader() override;
 
 
    //==============================================================================
    bool readSamples (int* const* destSamples, int numDestChannels, int startOffsetInDestBuffer,
                      int64 startSampleInFile, int numSamples) override;
 
    void readMaxLevels (int64 startSample, int64 numSamples,
                        Range<float>* results, int numChannelsToRead) override;
 
    using AudioFormatReader::readMaxLevels;
 
private:
    //==============================================================================
    AudioFormatReader* const source;
    int64 startSample, length;
    const bool deleteSourceWhenDeleted;
 
    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (AudioSubsectionReader)
};
 
} // namespace juce