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