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2fd99aa208
It allows to avoid including mpegvideo.h when including mpeg12.h. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
/*
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* MPEG-1/2 common code
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* Copyright (c) 2007 Aurelien Jacobs <aurel@gnuage.org>
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_MPEG12_H
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#define AVCODEC_MPEG12_H
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#include "libavutil/rational.h"
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/* Start codes. */
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#define SEQ_END_CODE 0x000001b7
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#define SEQ_START_CODE 0x000001b3
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#define GOP_START_CODE 0x000001b8
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#define PICTURE_START_CODE 0x00000100
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#define SLICE_MIN_START_CODE 0x00000101
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#define SLICE_MAX_START_CODE 0x000001af
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#define EXT_START_CODE 0x000001b5
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#define USER_START_CODE 0x000001b2
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#include "version_major.h"
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#if FF_API_FLAG_TRUNCATED
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#include <stdint.h>
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struct ParseContext;
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struct AVCodecParserContext;
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int ff_mpeg1_find_frame_end(struct ParseContext *pc, const uint8_t *buf, int buf_size, struct AVCodecParserContext *s);
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#endif
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void ff_mpeg12_find_best_frame_rate(AVRational frame_rate,
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int *code, int *ext_n, int *ext_d,
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int nonstandard);
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#endif /* AVCODEC_MPEG12_H */
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