ffmpeg_audiofifo.h

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/*
 * Copyright (C) 2017-2026 by Norbert Schlia (nschlia@oblivion-software.de)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 */
 
#ifndef FFMPEG_AUDIOFIFO_H
#define FFMPEG_AUDIOFIFO_H
 
#pragma once
 
#include "ffmpeg_utils.h"
 
struct AVAudioFifo;
 
class FFmpeg_AudioFifo
{
public:
    FFmpeg_AudioFifo();
 
    FFmpeg_AudioFifo(AVSampleFormat sample_fmt, int channels, int nb_samples = 1);
 
    ~FFmpeg_AudioFifo();
 
    FFmpeg_AudioFifo(const FFmpeg_AudioFifo&) = delete;
    FFmpeg_AudioFifo& operator=(const FFmpeg_AudioFifo&) = delete;
 
    FFmpeg_AudioFifo(FFmpeg_AudioFifo&& fifo) noexcept;
 
    FFmpeg_AudioFifo& operator=(FFmpeg_AudioFifo&& fifo) noexcept;
 
    int             alloc(AVSampleFormat sample_fmt, int channels, int nb_samples = 1);
 
    void            reset();
 
    bool            empty() const;
 
    int             size() const;
 
    int             realloc(int nb_samples);
 
    int             write(void **data, int nb_samples);
 
    int             read(void **data, int nb_samples);
 
    AVAudioFifo*    get();
 
    const AVAudioFifo* get() const;
 
    AVAudioFifo*    release();
 
    operator        AVAudioFifo*();
 
    operator const  AVAudioFifo*() const;
 
private:
    AVAudioFifo *   m_fifo;     
};
 
#endif // FFMPEG_AUDIOFIFO_H