Blame view

ffmpeg-4.2.2/libavcodec/mpeg12vlc.h 1.4 KB
aac5773f   hucm   功能基本完成,接口待打磨
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
  /*
   * MPEG-1/2 VLC
   * copyright (c) 2000,2001 Fabrice Bellard
   * copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
   *
   * This file is part of FFmpeg.
   *
   * FFmpeg is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * FFmpeg is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with FFmpeg; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
   */
  
  /**
   * @file
   * MPEG-1/2 VLC.
   */
  
  #ifndef AVCODEC_MPEG12VLC_H
  #define AVCODEC_MPEG12VLC_H
  
  #include "vlc.h"
  
  #define DC_VLC_BITS 9
  #define MV_VLC_BITS 9
  #define TEX_VLC_BITS 9
  
  #define MBINCR_VLC_BITS 9
  #define MB_PAT_VLC_BITS 9
  #define MB_PTYPE_VLC_BITS 6
  #define MB_BTYPE_VLC_BITS 6
  
  extern VLC ff_dc_lum_vlc;
  extern VLC ff_dc_chroma_vlc;
  extern VLC ff_mbincr_vlc;
  extern VLC ff_mb_ptype_vlc;
  extern VLC ff_mb_btype_vlc;
  extern VLC ff_mb_pat_vlc;
  extern VLC ff_mv_vlc;
  
  void ff_mpeg12_init_vlcs(void);
  
  #endif /* AVCODEC_MPEG12VLC_H */