video analysis2.0拆分,ffmpeg封装go接口库
zhangmeng
2019-09-20 be9c1d1f659b0ff31f656424c478e83a4f7c53b5
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#ifndef _cffmpeg_buz_recorder_hpp_
#define _cffmpeg_buz_recorder_hpp_
 
#include <stdint.h>
#include <string>
#include <list>
#include <memory>
 
#include <thread>
#include <atomic>
#include <mutex>
#include <condition_variable>
 
#include "../common/callback.hpp"
 
namespace ffwrapper{
    class FormatIn;
    class FormatOut;
 
    class CodedData;
}
 
namespace cffmpeg_wrap{
    namespace buz{
        // 缓存的视频帧,等待fire触发开始录像
        typedef struct _cache_pkt{
            std::shared_ptr<ffwrapper::CodedData> data;
            int64_t id;
        }CPacket;
 
 
        class Recorder{
            public:
                Recorder(ffwrapper::FormatIn *in, const std::string &id);
                ~Recorder();
 
            public: 
                int Run(const char* output, const int mind, const int maxd, const bool audio);
                int PushPacket(const CPacket &pkt);
                int PushPackets(std::list<CPacket> &lst);
                int FireRecorder(const int64_t &id);
 
                void SetCallback(FUNC_REC_INFO cb){
                    func_rec_info_ = cb;
                }
 
                const bool ErrorOcurred(){return error_occured_;}
                const std::string& RecID()const{return id_;}
            private:
                void run_thread();
 
                int init_writer(const bool audio);
                int write_correctly(const CPacket &pkt);
                void end_writer();
 
                void maybe_dump_gop();
            private: 
                ffwrapper::FormatIn     *in_;
                ffwrapper::FormatOut    *out_;
 
                int     maxduration;
                int     minduration;
                int     end_frame;
                int     cur_frame;
 
                std::list<CPacket>     list_pkt_;
 
                std::atomic_bool        stop_recorder_;
                std::mutex              mutex_pkt_;
                 std::condition_variable cv_;
 
                std::unique_ptr<std::thread> thrd_;
                
                std::string             dir_;
                std::string             id_;
 
                int64_t                 id_frame_;
                int                     id_frame_in_file_;
                std::string             file_path_;
                FUNC_REC_INFO           func_rec_info_;
 
                bool                    error_occured_;
 
                bool                    audio_;
        };
    }
}
 
#endif