1/*
2 * Copyright (C) 2007 Marco Gerards <marco@gnu.org>
3 * Copyright (C) 2009 David Conrad
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_DIRAC_H
23#define AVCODEC_DIRAC_H
24
25/**
26 * @file
27 * Interfaces to Dirac Decoder/Encoder
28 * @author Marco Gerards <marco@gnu.org>
29 */
30
31#include "avcodec.h"
32#include "get_bits.h"
33
34typedef struct {
35    unsigned width;
36    unsigned height;
37    uint8_t chroma_format;          ///< 0: 444  1: 422  2: 420
38
39    uint8_t interlaced;
40    uint8_t top_field_first;
41
42    uint8_t frame_rate_index;       ///< index into dirac_frame_rate[]
43    uint8_t aspect_ratio_index;     ///< index into dirac_aspect_ratio[]
44
45    uint16_t clean_width;
46    uint16_t clean_height;
47    uint16_t clean_left_offset;
48    uint16_t clean_right_offset;
49
50    uint8_t pixel_range_index;      ///< index into dirac_pixel_range_presets[]
51    uint8_t color_spec_index;       ///< index into dirac_color_spec_presets[]
52} dirac_source_params;
53
54int ff_dirac_parse_sequence_header(AVCodecContext *avctx, GetBitContext *gb,
55                                   dirac_source_params *source);
56
57#endif /* AVCODEC_DIRAC_H */
58