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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 | ||
37 | typedef 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 | ||
57 | int avpriv_dirac_parse_sequence_header(AVCodecContext *avctx, GetBitContext *gb, | |
58 | dirac_source_params *source); | |
59 | ||
60 | #endif /* AVCODEC_DIRAC_H */ |