1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
/*
* VC3/DNxHD decoder.
* Copyright (c) 2007 SmartJog S.A., Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_DNXHDDATA_H
#define AVCODEC_DNXHDDATA_H
#include <stdint.h>
#include "avcodec.h"
#include "libavutil/internal.h"
/** Additional profile info flags */
#define DNXHD_INTERLACED (1<<0)
#define DNXHD_MBAFF (1<<1)
#define DNXHD_444 (1<<2)
/** Indicate that a CIDEntry value must be read in the bitstream */
#define DNXHD_VARIABLE 0
typedef struct CIDEntry {
int cid;
unsigned int width, height;
unsigned int frame_size;
unsigned int coding_unit_size;
uint16_t flags;
int index_bits;
int bit_depth;
int eob_index;
const uint8_t *luma_weight, *chroma_weight;
const uint8_t *dc_codes, *dc_bits;
const uint16_t *ac_codes;
const uint8_t *ac_bits, *ac_info;
const uint16_t *run_codes;
const uint8_t *run_bits, *run;
int bit_rates[5]; ///< Helper to choose variants, rounded to nearest 5Mb/s
AVRational frame_rates[5];
} CIDEntry;
extern const CIDEntry ff_dnxhd_cid_table[];
int ff_dnxhd_get_cid_table(int cid);
int ff_dnxhd_find_cid(AVCodecContext *avctx, int bit_depth);
void ff_dnxhd_print_profiles(AVCodecContext *avctx, int loglevel);
int avpriv_dnxhd_get_frame_size(int cid);
int avpriv_dnxhd_get_interlaced(int cid);
#endif /* AVCODEC_DNXHDDATA_H */
|
