text: /*
   * MIT License
   *
   * Copyright (c) 2018 Whuer_XiaoJie <1939346428@qq.com>
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all
   * copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
   * SOFTWARE.
   *
   */
  #ifndef VIDEO_H_
  #define VIDEO_H_
  
  //coding
  #include <libavcodec/avcodec.h>
  //Encapsulation format processing
  #include <libavformat/avformat.h>
  //Pixel processing
  #include <libswscale/swscale.h>
  
  typedef struct VIDEO_DECODER_T_{
  	/*video decoding attributes*/
  	AVFormatContext *pFormatCtx;
  	AVCodecContext  *pCodecCtx;
  	AVCodec			*pCodec;
  	AVFrame			*pFrame;
  	AVFrame			*pFrameRGB;
  	uint8_t			*out_buffer;
  	int out_width;
  	int out_height;
  	struct SwsContext *sws_ctx;
  	double           time_base;
  
  	int video_time_s;
  	int v_stream_idx;
  	int delay_ms;
  }VIDEO_DECODER_T;
  
  int init_video_decoder(VIDEO_DECODER_T *decoder, char *fileName, int outWidth, int outHeight);
  
  int decode_video_next_frame(VIDEO_DECODER_T *decoder, char *outBuf);
  
  int destory_video_decoder(VIDEO_DECODER_T *decoder);
  
  #endif // VIDEO_H_
  