ffmpeg_formatcontext.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_FORMATCONTEXT_H
#define FFMPEG_FORMATCONTEXT_H
 
#pragma once
 
#include "ffmpeg_utils.h"
 
class FFmpeg_FormatContext
{
public:
    enum class TYPE
    {
        INPUT,      
        OUTPUT      
    };
 
    explicit FFmpeg_FormatContext(TYPE type = TYPE::INPUT);
 
    ~FFmpeg_FormatContext();
 
    FFmpeg_FormatContext(const FFmpeg_FormatContext&) = delete;
    FFmpeg_FormatContext& operator=(const FFmpeg_FormatContext&) = delete;
 
    FFmpeg_FormatContext(FFmpeg_FormatContext&& context) noexcept;
 
    FFmpeg_FormatContext& operator=(FFmpeg_FormatContext&& context) noexcept;
 
    int                 alloc_input_context();
 
    int                 alloc_output_context(const char *format_name, const char *filename = nullptr);
 
    void                set_type(TYPE type);
 
    void                set_custom_io(bool custom_io = true);
 
    bool                reset();
 
    bool                empty() const;
 
    AVFormatContext*    get();
 
    const AVFormatContext* get() const;
 
    AVFormatContext**   address();
 
    AVFormatContext*    release();
 
    operator            AVFormatContext*();
 
    operator const      AVFormatContext*() const;
 
    AVFormatContext*    operator->();
 
    const AVFormatContext* operator->() const;
 
private:
    void                free_custom_io();
 
private:
    AVFormatContext *   m_context;      
    TYPE                m_type;         
    bool                m_custom_io;    
};
 
#endif // FFMPEG_FORMATCONTEXT_H