1/*
2 * Block Gilbert-Moore decoder
3 * Copyright (c) 2010 Thilo Borgmann <thilo.borgmann _at_ googlemail.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/**
23 * @file
24 * Block Gilbert-Moore decoder header
25 * @author Thilo Borgmann <thilo.borgmann _at_ googlemail.com>
26 */
27
28
29#ifndef AVCODEC_BGMC_H
30#define AVCODEC_BGMC_H
31
32
33#include "avcodec.h"
34#include "get_bits.h"
35
36
37int ff_bgmc_init(AVCodecContext *avctx, uint8_t **cf_lut, unsigned int **cf_lut_status);
38
39
40void ff_bgmc_end(uint8_t **cf_lut, unsigned int **cf_lut_status);
41
42
43void ff_bgmc_decode_init(GetBitContext *gb,
44                      unsigned int *h, unsigned int *l, unsigned int *v);
45
46
47void ff_bgmc_decode_end(GetBitContext *gb);
48
49
50void ff_bgmc_decode(GetBitContext *gb, unsigned int num, int32_t *dst,
51                 unsigned int delta, unsigned int sx,
52                 unsigned int *h, unsigned int *l, unsigned int *v,
53                 uint8_t *cf_lut, unsigned int *cf_lut_status);
54
55
56#endif /* AVCODEC_BGMC_H */
57