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1 | /* |
2 | * MSMPEG4 backend for 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 | #ifndef AVCODEC_MSMPEG4_H | |
23 | #define AVCODEC_MSMPEG4_H | |
24 | ||
25 | #include <stdint.h> | |
26 | ||
27 | #include "config.h" | |
28 | #include "avcodec.h" | |
29 | #include "mpegvideo.h" | |
30 | #include "msmpeg4data.h" | |
31 | #include "put_bits.h" | |
32 | ||
33 | #define INTER_INTRA_VLC_BITS 3 | |
34 | #define MB_NON_INTRA_VLC_BITS 9 | |
35 | #define MB_INTRA_VLC_BITS 9 | |
36 | ||
37 | #define II_BITRATE 128*1024 | |
38 | #define MBAC_BITRATE 50*1024 | |
39 | ||
40 | #define DC_MAX 119 | |
41 | ||
42 | extern VLC ff_mb_non_intra_vlc[4]; | |
43 | extern VLC ff_inter_intra_vlc; | |
44 | ||
45 | void ff_msmpeg4_code012(PutBitContext *pb, int n); | |
46 | void ff_msmpeg4_common_init(MpegEncContext *s); | |
47 | void ff_msmpeg4_encode_block(MpegEncContext * s, int16_t * block, int n); | |
48 | void ff_msmpeg4_handle_slices(MpegEncContext *s); | |
49 | void ff_msmpeg4_encode_motion(MpegEncContext * s, int mx, int my); | |
50 | int ff_msmpeg4_coded_block_pred(MpegEncContext * s, int n, | |
51 | uint8_t **coded_block_ptr); | |
52 | int ff_msmpeg4_decode_motion(MpegEncContext * s, int *mx_ptr, int *my_ptr); | |
53 | int ff_msmpeg4_decode_block(MpegEncContext * s, int16_t * block, | |
54 | int n, int coded, const uint8_t *scan_table); | |
55 | int ff_msmpeg4_pred_dc(MpegEncContext *s, int n, | |
56 | int16_t **dc_val_ptr, int *dir_ptr); | |
57 | int ff_wmv2_decode_mb(MpegEncContext *s, int16_t block[6][64]); | |
58 | ||
59 | #define CONFIG_MSMPEG4_DECODER (CONFIG_MSMPEG4V1_DECODER || \ | |
60 | CONFIG_MSMPEG4V2_DECODER || \ | |
61 | CONFIG_MSMPEG4V3_DECODER || \ | |
62 | CONFIG_WMV1_DECODER || \ | |
63 | CONFIG_WMV2_DECODER || \ | |
64 | CONFIG_VC1_DECODER) | |
65 | #define CONFIG_MSMPEG4_ENCODER (CONFIG_MSMPEG4V2_ENCODER || \ | |
66 | CONFIG_MSMPEG4V3_ENCODER || \ | |
67 | CONFIG_WMV1_ENCODER || \ | |
68 | CONFIG_WMV2_ENCODER) | |
69 | ||
70 | #endif /* AVCODEC_MSMPEG4_H */ |