2 * Copyright (c) 2015 Kieran Kunhya
4 * This file is part of Libav.
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.
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.
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
21 #ifndef AVCODEC_CFHD_H
22 #define AVCODEC_CFHD_H
27 #include "bitstream.h"
30 #define SUBBAND_COUNT 10
32 typedef struct CFHD_RL_VLC_ELEM {
40 typedef struct SubBand {
53 typedef struct Plane {
61 /* TODO: merge this into SubBand structure */
62 int16_t *subband[SUBBAND_COUNT];
65 SubBand band[DWT_LEVELS][4];
68 typedef struct CFHDContext {
69 AVCodecContext *avctx;
71 CFHD_RL_VLC_ELEM table_9_rl_vlc[2088];
74 CFHD_RL_VLC_ELEM table_18_rl_vlc[4572];
82 enum AVPixelFormat coded_format;
88 int bpc; // bits per channel/component
92 uint8_t lowpass_precision;
93 uint16_t quantisation;
100 int subband_num_actual;
102 uint8_t prescale_shift[3];
106 int ff_cfhd_init_vlcs(CFHDContext *s);
108 #endif /* AVCODEC_CFHD_H */