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
24 */
25
26#ifndef AVCODEC_MSMPEG4_H
27#define AVCODEC_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
38extern VLC ff_mb_non_intra_vlc[4];
39extern VLC ff_inter_intra_vlc;
40
41void ff_msmpeg4_code012(PutBitContext *pb, int n);
42void ff_msmpeg4_encode_block(MpegEncContext * s, DCTELEM * block, int n);
43void ff_msmpeg4_handle_slices(MpegEncContext *s);
44void ff_msmpeg4_encode_motion(MpegEncContext * s, int mx, int my);
45int ff_msmpeg4_coded_block_pred(MpegEncContext * s, int n,
46                                uint8_t **coded_block_ptr);
47int ff_msmpeg4_decode_motion(MpegEncContext * s, int *mx_ptr, int *my_ptr);
48int ff_msmpeg4_decode_block(MpegEncContext * s, DCTELEM * block,
49                            int n, int coded, const uint8_t *scan_table);
50int ff_wmv2_decode_mb(MpegEncContext *s, DCTELEM block[6][64]);
51
52#define CONFIG_MSMPEG4_DECODER (CONFIG_MSMPEG4V1_DECODER || \
53                                CONFIG_MSMPEG4V2_DECODER || \
54                                CONFIG_MSMPEG4V3_DECODER || \
55                                CONFIG_WMV2_DECODER      || \
56                                CONFIG_VC1_DECODER)
57#define CONFIG_MSMPEG4_ENCODER (CONFIG_MSMPEG4V1_ENCODER || \
58                                CONFIG_MSMPEG4V2_ENCODER || \
59                                CONFIG_MSMPEG4V3_ENCODER || \
60                                CONFIG_WMV2_ENCODER)
61
62#endif /* AVCODEC_MSMPEG4_H */
63