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FFmpeg/libavcodec/dirac.h
David Conrad 66b0255248 Add a function to parse Dirac's sequence header
Originally committed as revision 21127 to svn://svn.ffmpeg.org/ffmpeg/trunk
2010-01-11 00:31:44 +00:00

58 lines
1.8 KiB
C

/*
* Copyright (C) 2007 Marco Gerards <marco@gnu.org>
* Copyright (C) 2009 David Conrad
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVCODEC_DIRAC_H
#define AVCODEC_DIRAC_H
/**
* @file libavcodec/dirac.h
* Interfaces to Dirac Decoder/Encoder
* @author Marco Gerards <marco@gnu.org>
*/
#include "avcodec.h"
#include "get_bits.h"
typedef struct {
unsigned width;
unsigned height;
uint8_t chroma_format; ///< 0: 444 1: 422 2: 420
uint8_t interlaced;
uint8_t top_field_first;
uint8_t frame_rate_index; ///< index into dirac_frame_rate[]
uint8_t aspect_ratio_index; ///< index into dirac_aspect_ratio[]
uint16_t clean_width;
uint16_t clean_height;
uint16_t clean_left_offset;
uint16_t clean_right_offset;
uint8_t pixel_range_index; ///< index into dirac_pixel_range_presets[]
uint8_t color_spec_index; ///< index into dirac_color_spec_presets[]
} dirac_source_params;
int ff_dirac_parse_sequence_header(AVCodecContext *avctx, GetBitContext *gb,
dirac_source_params *source);
#endif /* AVCODEC_DIRAC_H */