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dnxhddata.h
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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 AVCODEC_DNXHDDATA_H
23 #define AVCODEC_DNXHDDATA_H
24 
25 #include <stdint.h>
26 #include "avcodec.h"
27 #include "libavutil/internal.h"
28 
29 typedef struct CIDEntry {
30  int cid;
31  unsigned int width, height;
33  unsigned int frame_size;
34  unsigned int coding_unit_size;
36  int bit_depth;
37  int eob_index;
40  const uint16_t *ac_codes;
42  const uint8_t *ac_flags;
43  const uint16_t *run_codes;
44  const uint8_t *run_bits, *run;
45  int bit_rates[5]; ///< Helper to choose variants, rounded to nearest 5Mb/s
47 } CIDEntry;
48 
49 extern const CIDEntry ff_dnxhd_cid_table[];
50 
51 int ff_dnxhd_get_cid_table(int cid);
52 int ff_dnxhd_find_cid(AVCodecContext *avctx, int bit_depth);
53 void ff_dnxhd_print_profiles(AVCodecContext *avctx, int loglevel);
54 
55 int avpriv_dnxhd_get_frame_size(int cid);
56 
57 #endif /* AVCODEC_DNXHDDATA_H */