libavcodec/msmpeg4.h

   1 /*
   2  * MSMPEG4 backend for ffmpeg encoder and decoder
   3  * copyright (c) 2007 Aurelien Jacobs <aurel@gnuage.org>
   4  *
   5  * This file is part of FFmpeg.
   6  *
   7  * FFmpeg is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * FFmpeg is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with FFmpeg; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 /**
  23  * @file msmpeg4.h
  24  */
  25
  26 #ifndef FFMPEG_MSMPEG4_H
  27 #define FFMPEG_MSMPEG4_H
  28
  29 #include "config.h"
  30 #include "avcodec.h"
  31 #include "dsputil.h"
  32 #include "mpegvideo.h"
  33
  34 #define INTER_INTRA_VLC_BITS 3
  35 #define MB_NON_INTRA_VLC_BITS 9
  36 #define MB_INTRA_VLC_BITS 9
  37
  38 extern VLC ff_mb_non_intra_vlc[4];
  39 extern VLC ff_inter_intra_vlc;
  40
  41 void ff_msmpeg4_code012(PutBitContext *pb, int n);
  42 void ff_msmpeg4_encode_block(MpegEncContext * s, DCTELEM * block, int n);
  43 void ff_msmpeg4_handle_slices(MpegEncContext *s);
  44 void ff_msmpeg4_encode_motion(MpegEncContext * s, int mx, int my);
  45 int ff_msmpeg4_coded_block_pred(MpegEncContext * s, int n,
  46                                 uint8_t **coded_block_ptr);
  47 int ff_msmpeg4_decode_motion(MpegEncContext * s, int *mx_ptr, int *my_ptr);
  48 int ff_msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
  49                             int n, int coded, const uint8_t *scan_table);
  50 int ff_wmv2_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
  51
  52 #define ENABLE_MSMPEG4_DECODER (ENABLE_MSMPEG4V1_DECODER || \
  53                                 ENABLE_MSMPEG4V2_DECODER || \
  54                                 ENABLE_MSMPEG4V3_DECODER || \
  55                                 ENABLE_WMV2_DECODER)
  56 #define ENABLE_MSMPEG4_ENCODER (ENABLE_MSMPEG4V1_ENCODER || \
  57                                 ENABLE_MSMPEG4V2_ENCODER || \
  58                                 ENABLE_MSMPEG4V3_ENCODER || \
  59                                 ENABLE_WMV2_ENCODER)
  60 #define ENABLE_MSMPEG4 (ENABLE_MSMPEG4_DECODER || ENABLE_MSMPEG4_ENCODER)
  61 #define ENABLE_WMV2 (ENABLE_WMV2_DECODER || ENABLE_WMV2_ENCODER)
  62 #define ENABLE_WMV_DECODER (ENABLE_WMV1_DECODER || ENABLE_WMV2_DECODER)
  63 #define ENABLE_WMV_ENCODER (ENABLE_WMV1_ENCODER || ENABLE_WMV2_ENCODER)
  64
  65 #endif /* FFMPEG_MSMPEG4_H */