muxer_header

struct Muxer
{
    Muxer() = default;
    ~Muxer();

    void open(String const &inFile,
              String const &outFile,
              AVCodecID     codec = AV_CODEC_ID_HEVC);
    void open(DataProvider* pDataProvider,
              String const &outFile,
              AVCodecID     codec = AV_CODEC_ID_HEVC);
    void close();

    void start();
    void progress();
    void finish();

    bool isOpen() const;

private:
    void open(AVFormatContext *pInContext,
              String const &   outputFileName,
              AVCodecID        codec);

public:
    AVFormatContext *pInFmtCtx{nullptr};
    AVFormatContext *pOutFmtCtx{nullptr};
    AVBSFContext *   pBSFContext{nullptr};
    AVPacket         pkt;
    AVPacket         pktFiltered;
    int64_t          curPts{0};
    int              videoIndexIn{-1};
    int              videoIndexOut{-1};

    AVCodecID codec;
    String    dstFile;
};