#ifndef _FFMPEG_FORMAT_CONTEXT_IN_H_
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#define _FFMPEG_FORMAT_CONTEXT_IN_H_
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#include <stdint.h>
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#include <memory>
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#include "PsToEs.hpp"
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struct AVFormatContext;
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struct AVDictionary;
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struct AVStream;
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struct AVCodecContext;
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struct AVPacket;
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struct AVFrame;
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struct AVCodec;
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struct AVIOContext;
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typedef int(* read_packet)(void *opaque,uint8_t *buf, int buf_size);
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namespace ffwrapper{
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class VideoProp;
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class CodedData;
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class FrameData;
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class FormatIn
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{
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public:
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explicit FormatIn(bool hw=true);
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~FormatIn();
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public:
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int openWithCustomIO(void *opaque, read_packet fn, AVDictionary **options=NULL);
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int openGb28181(const char *filename, AVDictionary **options);
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int open(const char *filename, AVDictionary **options);
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bool findStreamInfo(AVDictionary **options);
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bool openCodec(const int type, AVDictionary **options);
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bool readPacket(AVPacket &pkt_out, int stream_index = 0);
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bool readPacket(std::shared_ptr<CodedData> &data, int stream_index = 0);
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int decode(AVFrame* &frame, AVPacket &pkt);
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int decode(std::shared_ptr<FrameData> &frame_data,
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std::shared_ptr<CodedData> &data);
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int readFrame(AVFrame* &frame);
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int readFrame(std::shared_ptr<FrameData> &frame_data);
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private:
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bool allocCodec(AVCodec *dec, AVStream *s, AVDictionary **options);
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public:
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AVStream *getStream(int type = 0);
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AVCodecContext *getCodecContext(int type = 0);
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private:
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AVFormatContext *ctx_;
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AVCodecContext *dec_ctx_;
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int vs_idx_;
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bool hw_accl_;
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private:
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AVIOContext *io_ctx_;
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uint8_t *read_io_buff_;
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const int read_io_buff_size_;
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GB28181API handle_gb28181;
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};
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}
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#endif
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