libmpdemux/mpeg_hdr.h

   1 #ifndef MPLAYER_MPEG_HDR_H
   2 #define MPLAYER_MPEG_HDR_H
   3
   4 typedef struct {
   5     // video info:
   6     int mpeg1; // 0=mpeg2  1=mpeg1
   7     int display_picture_width;
   8     int display_picture_height;
   9     int aspect_ratio_information;
  10     int frame_rate_code;
  11     float fps;
  12     int bitrate; // 0x3FFFF==VBR
  13     // timing:
  14     int picture_structure;
  15     int progressive_sequence;
  16     int repeat_first_field;
  17     int progressive_frame;
  18     int top_field_first;
  19     int display_time; // secs*100
  20     //the following are for mpeg4
  21     unsigned int timeinc_resolution, timeinc_bits, timeinc_unit;
  22     int picture_type;
  23 } mp_mpeg_header_t;
  24
  25 int mp_header_process_sequence_header (mp_mpeg_header_t * picture, const unsigned char * buffer);
  26 int mp_header_process_extension (mp_mpeg_header_t * picture, unsigned char * buffer);
  27 float mpeg12_aspect_info(mp_mpeg_header_t *picture);
  28 int mp4_header_process_vol(mp_mpeg_header_t * picture, unsigned char * buffer);
  29 void mp4_header_process_vop(mp_mpeg_header_t * picture, unsigned char * buffer);
  30 int h264_parse_sps(mp_mpeg_header_t * picture, unsigned char * buf, int len);
  31 int mp_vc1_decode_sequence_header(mp_mpeg_header_t * picture, unsigned char * buf, int len);
  32
  33 #endif /* MPLAYER_MPEG_HDR_H */