libmpdemux/mpeg_hdr.h

   1
   2 typedef struct {
   3     // video info:
   4     int mpeg1; // 0=mpeg2  1=mpeg1
   5     int display_picture_width;
   6     int display_picture_height;
   7     int aspect_ratio_information;
   8     int frame_rate_code;
   9     float fps;
  10     int bitrate; // 0x3FFFF==VBR
  11     // timing:
  12     int picture_structure;
  13     int progressive_sequence;
  14     int repeat_first_field;
  15     int progressive_frame;
  16     int top_field_first;
  17     int display_time; // secs*100
  18     //the following are for mpeg4
  19     unsigned int timeinc_resolution, timeinc_bits, timeinc_unit;
  20     int picture_type;
  21 } mp_mpeg_header_t;
  22
  23 int mp_header_process_sequence_header (mp_mpeg_header_t * picture, unsigned char * buffer);
  24 int mp_header_process_extension (mp_mpeg_header_t * picture, unsigned char * buffer);
  25 float mpeg12_aspect_info(mp_mpeg_header_t *picture);
  26 int mp4_header_process_vol(mp_mpeg_header_t * picture, unsigned char * buffer);
  27 void mp4_header_process_vop(mp_mpeg_header_t * picture, unsigned char * buffer);
  28 int h264_parse_sps(mp_mpeg_header_t * picture, unsigned char * buf, int len);