1/*
2 * Copyright (C) 2007 Marco Gerards <marco@gnu.org>
3 * Copyright (C) 2009 David Conrad
4 * Copyright (C) 2011 Jordi Ortiz
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with FFmpeg; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21 */
22
23#ifndef AVCODEC_DIRAC_H
24#define AVCODEC_DIRAC_H
25
26/**
27 * @file
28 * Interface to Dirac Decoder/Encoder
29 * @author Marco Gerards <marco@gnu.org>
30 * @author David Conrad
31 * @author Jordi Ortiz
32 */
33
34#include "avcodec.h"
35#include "get_bits.h"
36
37typedef struct dirac_source_params {
38    unsigned width;
39    unsigned height;
40    uint8_t chroma_format;          ///< 0: 444  1: 422  2: 420
41
42    uint8_t interlaced;
43    uint8_t top_field_first;
44
45    uint8_t frame_rate_index;       ///< index into dirac_frame_rate[]
46    uint8_t aspect_ratio_index;     ///< index into dirac_aspect_ratio[]
47
48    uint16_t clean_width;
49    uint16_t clean_height;
50    uint16_t clean_left_offset;
51    uint16_t clean_right_offset;
52
53    uint8_t pixel_range_index;      ///< index into dirac_pixel_range_presets[]
54    uint8_t color_spec_index;       ///< index into dirac_color_spec_presets[]
55} dirac_source_params;
56
57int avpriv_dirac_parse_sequence_header(AVCodecContext *avctx, GetBitContext *gb,
58                                       dirac_source_params *source);
59
60#endif /* AVCODEC_DIRAC_H */
61