#ifndef _cffmpeg_wrapper_hpp_
#define _cffmpeg_wrapper_hpp_

extern "C"{
#include <libavcodec/avcodec.h>
}

#include <stdint.h>

#include <string>
#include <list>
#include <thread>
#include <atomic>
#include <mutex>
#include <unordered_map>
#include <memory>
#include "common/callback.hpp"


namespace ffwrapper{
    class FormatIn;
    
    class VideoProp;
    class CodedData;
}

namespace cffmpeg_wrap{

    class stream;
    class decoder;
    class rec;

    class Wrapper{
        public:
            Wrapper();
            ~Wrapper ();

        private: 
            std::unique_ptr<ffwrapper::FormatIn> init_reader(const char* input);
            void init_stream();
            void init_decoder(ffwrapper::FormatIn *in);
            void init_rec(ffwrapper::FormatIn *in);
            
        public: 
            int RunStream(const char* input);
        private: 
            void run_stream_thread();

        public: //recorder
            void BuildRecorder(const char* id,const char *dir, const int mind, const int maxd);
            int FireRecorder(const char* sid,const int64_t &id);
            void GetInfoRecorder(std::string &recID, int &index, std::string &path);

            void ScalePicture(const int w, const int h, const int flags);
            void UseGB28181();
            void UseCPU();
        public: //decoder
            void BuildDecoder();
            void GetPicDecoder(unsigned char **data, int *w, int *h, int64_t *id);
            void GetPacket(unsigned char **pktData, int *size, int *key);

        private:
            // stream 参数
            std::string input_url_;
            int scale_w_, scale_h_, scale_f_;
            int gb_, cpu_;
            bool use_decoder_;

            // decoder 参数
            std::unique_ptr<std::thread> thread_;
            std::atomic_bool    stop_stream_;

            // 业务类
            // 推流类
            stream* stream_;
            // 解码类
            decoder* decoder_;
            // 录像类
            rec* rec_;

    };

    uint8_t *DecodeJPEG(const char *file, int *w, int *h);
    void *CreateEncoder(const int w, const int h, const int fps, const int br, const int scale_flag, const int gi);
    void DestroyEncoder(void *h);
    int Encode(void *hdl, uint8_t *in, const int w, const int h, uint8_t **out, int *size, int *key);

}

#endif