| 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 */ |