AudioReaderSource.h

Go to the documentation of this file.

 
// Copyright (c) 2008-2019 OpenShot Studios, LLC
//
// SPDX-License-Identifier: LGPL-3.0-or-later
 
#ifndef OPENSHOT_AUDIOREADERSOURCE_H
#define OPENSHOT_AUDIOREADERSOURCE_H
 
#include "ReaderBase.h"
#include "Qt/VideoCacheThread.h"
 
#include <AppConfig.h>
#include <juce_audio_basics/juce_audio_basics.h>

namespace openshot
{
    class Frame;
    class AudioReaderSource : public juce::PositionableAudioSource
    {
    private:
        int stream_position; 
        int frame_position; 
        int speed;          
 
        ReaderBase *reader; 
        std::shared_ptr<Frame> frame; 
        int64_t sample_position; 
        openshot::VideoCacheThread *videoCache; 
 
    public:

        AudioReaderSource(ReaderBase *audio_reader, int64_t starting_frame_number);

        ~AudioReaderSource();

        void getNextAudioBlock (const juce::AudioSourceChannelInfo& info);

        void prepareToPlay(int, double);

        void releaseResources();

        void setNextReadPosition (juce::int64 newPosition) { stream_position = newPosition; };

        juce::int64 getNextReadPosition() const { return stream_position; };

        juce::int64 getTotalLength() const;

        bool isLooping() const { return false; };

        void setLooping (bool shouldLoop) {  };

        std::shared_ptr<Frame> getFrame() const { return frame; }

        void setSpeed(int new_speed) { speed = new_speed; }
        int getSpeed() const { return speed; }

        void setVideoCache(openshot::VideoCacheThread *newCache) { videoCache = newCache; }

        void Reader(ReaderBase *audio_reader) { reader = audio_reader; }
        ReaderBase* Reader() const { return reader; }

        void Seek(int64_t new_position) { frame_position = new_position; sample_position=0; }
 
    };
 
}
 
#endif