2 * MSMPEG4 backend for encoder and decoder
3 * copyright (c) 2007 Aurelien Jacobs <aurel@gnuage.org>
5 * This file is part of FFmpeg.
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.
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.
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
22 #ifndef AVCODEC_MSMPEG4_H
23 #define AVCODEC_MSMPEG4_H
28 #include "mpegvideo.h"
30 #define INTER_INTRA_VLC_BITS 3
31 #define MB_NON_INTRA_VLC_BITS 9
32 #define MB_INTRA_VLC_BITS 9
34 extern VLC ff_mb_non_intra_vlc[4];
35 extern VLC ff_inter_intra_vlc;
37 void ff_msmpeg4_code012(PutBitContext *pb, int n);
38 void ff_msmpeg4_encode_block(MpegEncContext * s, DCTELEM * block, int n);
39 void ff_msmpeg4_handle_slices(MpegEncContext *s);
40 void ff_msmpeg4_encode_motion(MpegEncContext * s, int mx, int my);
41 int ff_msmpeg4_coded_block_pred(MpegEncContext * s, int n,
42 uint8_t **coded_block_ptr);
43 int ff_msmpeg4_decode_motion(MpegEncContext * s, int *mx_ptr, int *my_ptr);
44 int ff_msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
45 int n, int coded, const uint8_t *scan_table);
46 int ff_wmv2_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
48 #define CONFIG_MSMPEG4_DECODER (CONFIG_MSMPEG4V1_DECODER || \
49 CONFIG_MSMPEG4V2_DECODER || \
50 CONFIG_MSMPEG4V3_DECODER || \
51 CONFIG_WMV2_DECODER || \
53 #define CONFIG_MSMPEG4_ENCODER (CONFIG_MSMPEG4V2_ENCODER || \
54 CONFIG_MSMPEG4V3_ENCODER || \
57 #endif /* AVCODEC_MSMPEG4_H */