1/*
2 * MSMPEG4 decoder header
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#ifndef AVCODEC_MSMPEG4DEC_H
23#define AVCODEC_MSMPEG4DEC_H
24
25#include "config.h"
26#include "avcodec.h"
27#include "mpegvideo.h"
28
29#define INTER_INTRA_VLC_BITS 3
30#define MB_NON_INTRA_VLC_BITS 9
31#define MB_INTRA_VLC_BITS 9
32
33extern VLC ff_mb_non_intra_vlc[4];
34extern VLC ff_inter_intra_vlc;
35
36int ff_msmpeg4_decode_init(AVCodecContext *avctx);
37int ff_msmpeg4_decode_picture_header(MpegEncContext *s);
38int ff_msmpeg4_decode_ext_header(MpegEncContext *s, int buf_size);
39void ff_msmpeg4_decode_motion(MpegEncContext * s, int *mx_ptr, int *my_ptr);
40int ff_msmpeg4_decode_block(MpegEncContext * s, int16_t * block,
41                            int n, int coded, const uint8_t *scan_table);
42
43#define CONFIG_MSMPEG4_DECODER (CONFIG_MSMPEG4V1_DECODER || \
44                                CONFIG_MSMPEG4V2_DECODER || \
45                                CONFIG_MSMPEG4V3_DECODER || \
46                                CONFIG_WMV1_DECODER      || \
47                                CONFIG_WMV2_DECODER      || \
48                                CONFIG_VC1_DECODER)
49
50#endif
51