1bd028e0859ae46c1f7b2a7fefbdaad8d8b00292
[libav.git] / libavcodec / dnxhddata.h
1 /*
2 * VC3/DNxHD decoder.
3 * Copyright (c) 2007 SmartJog S.A., Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>.
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 FFMPEG_DNXHDDATA_H
23 #define FFMPEG_DNXHDDATA_H
24
25 #include <stdint.h>
26 #include "avcodec.h"
27
28 typedef struct {
29 int cid;
30 unsigned int width, height;
31 int interlaced;
32 unsigned int frame_size;
33 unsigned int coding_unit_size;
34 int index_bits;
35 int bit_depth;
36 const uint8_t *luma_weight, *chroma_weight;
37 const uint8_t *dc_codes, *dc_bits;
38 const uint16_t *ac_codes;
39 const uint8_t *ac_bits, *ac_level;
40 const uint8_t *ac_run_flag, *ac_index_flag;
41 const uint16_t *run_codes;
42 const uint8_t *run_bits, *run;
43 int bit_rates[5]; ///< Helpher to choose variants, rounded to nearest 5Mb/s
44 } CIDEntry;
45
46 extern const CIDEntry ff_dnxhd_cid_table[];
47
48 int ff_dnxhd_get_cid_table(int cid);
49 int ff_dnxhd_find_cid(AVCodecContext *avctx);
50
51 #endif /* FFMPEG_DNXHDDATA_H */