#pragma once
#include "AVDecoder.h"


class CAVTranscoder
{
public:
	CAVTranscoder();
	virtual ~CAVTranscoder();

	int add(media_info & info);
	int64_t transcode();
	bool all_processed();
	int close();

protected:
	int open_output_file(const char *filename);

protected:
	vector < CAVDecoder *> _decoders;

	AVFormatContext *ofmt_ctx;
	int64_t _start_time;
	int64_t _cur_a_time;
	int64_t _cur_v_time;
private:
	int mix_and_output_vframe(vector<CAVDecoder *> & decoders_got_frame);
	int mix_and_output_aframe(vector<CAVDecoder *> & decoders_got_frame);
	bool _all_processed;
};