libmpdemux/mpeg4_hdr.h

   1 /*
   2  * Copyright (C) 2008 Andrzej Zaborowski  <balrog@zabor.org>
   3  *
   4  * This file is part of MPlayer.
   5  *
   6  * MPlayer is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 or (at your option)
   9  * version 3 of the License.
  10  *
  11  * MPlayer is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with MPlayer; if not, write to the Free Software Foundation, Inc.,
  18  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19  */
  20 #ifndef MPLAYER_MPEG4_HDR_H
  21 #define MPLAYER_MPEG4_HDR_H
  22
  23 /*
  24  * We redefine mp_mpeg_header_t and VOL/VOP decoding functions, which
  25  * are already in "libmpdemux/mpeg_hdr.h" because they discard most of the
  26  * important info while parsing.
  27  */
  28 typedef struct mp_mpeg_header_s {
  29         struct {
  30                 int vo_type;
  31                 int aspect_ratio;
  32                 int shape;
  33                 int ver_id;
  34                 int time_den;
  35                 int time_num;
  36                 int time_bits;
  37                 int width;
  38                 int height;
  39                 int quant_precision;
  40                 int resync_marker;
  41                 int data_partitioning;
  42                 int rvlc;
  43         } vol;
  44         struct {
  45                 int coding_type;
  46                 int rounding;
  47                 int time_base;
  48                 int time_inc;
  49                 int vop_coded;
  50                 int intra_dc_thr;
  51                 int qscale;
  52                 int fcode;
  53                 int start_bits;
  54         } vop;
  55         void *data_start;
  56         void *data_end;
  57         int data_size;
  58         int valid_vop, valid_vol;
  59 } mp_mpeg_header_t;
  60
  61 #if 0
  62 int mp4_header_process_vol(mp_mpeg_header_t *picture, uint8_t **buffer);
  63 int mp4_header_process_vop(mp_mpeg_header_t *picture, uint8_t **buffer);
  64 #endif
  65
  66 #endif /* MPLAYER_MPEG4_HDR_H */