vlc: Add header #include when the types are used
[libav.git] / libavcodec / cfhd.h
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1/*
2 * Copyright (c) 2015 Kieran Kunhya
3 *
4 * This file is part of Libav.
5 *
6 * Libav is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * Libav is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with Libav; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#ifndef AVCODEC_CFHD_H
22#define AVCODEC_CFHD_H
23
24#include <stdint.h>
25
26#include "avcodec.h"
27#include "bitstream.h"
73fc82f3 28#include "vlc.h"
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29
30#define VLC_BITS 9
31#define SUBBAND_COUNT 10
32
33typedef struct CFHD_RL_VLC_ELEM {
34 int16_t level;
35 int8_t len;
36 uint16_t run;
37} CFHD_RL_VLC_ELEM;
38
39#define DWT_LEVELS 3
40
41typedef struct SubBand {
42 int level;
43 int orientation;
44 ptrdiff_t stride;
45 int a_width;
46 int width;
47 int a_height;
48 int height;
49 int pshift;
50 int quant;
51 uint8_t *ibuf;
52} SubBand;
53
54typedef struct Plane {
55 int width;
56 int height;
57 ptrdiff_t stride;
58
59 int16_t *idwt_buf;
60 int16_t *idwt_tmp;
61
62 /* TODO: merge this into SubBand structure */
63 int16_t *subband[SUBBAND_COUNT];
64 int16_t *l_h[8];
65
66 SubBand band[DWT_LEVELS][4];
67} Plane;
68
69typedef struct CFHDContext {
70 AVCodecContext *avctx;
71
72 CFHD_RL_VLC_ELEM table_9_rl_vlc[2088];
73 VLC vlc_9;
74
75 CFHD_RL_VLC_ELEM table_18_rl_vlc[4572];
76 VLC vlc_18;
77
78 BitstreamContext bc;
79
80 int coded_width;
81 int coded_height;
82 int cropped_height;
83 enum AVPixelFormat coded_format;
84
85 int a_width;
86 int a_height;
87 int a_format;
88
89 int bpc; // bits per channel/component
90 int channel_cnt;
91 int subband_cnt;
92 int channel_num;
93 uint8_t lowpass_precision;
94 uint16_t quantisation;
95 int wavelet_depth;
96 int pshift;
97
98 int codebook;
99 int subband_num;
100 int level;
101 int subband_num_actual;
102
103 uint8_t prescale_shift[3];
104 Plane plane[4];
105} CFHDContext;
106
107int ff_cfhd_init_vlcs(CFHDContext *s);
108
109#endif /* AVCODEC_CFHD_H */