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3b0fb00990
Signed-off-by: cyberbox <468042667@qq.com> Change-Id: I63cc2a8c9ff6197c67d6b6b47c124882ad942a22
38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
/*
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* Converting FOURCCs to uppercase
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* Copyright (c) 2001 Fabrice Bellard
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* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
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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_TO_UPPER4_H
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#define AVCODEC_TO_UPPER4_H
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#include "libavutil/avstring.h"
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#include "internal.h"
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unsigned int ff_toupper4(unsigned int x)
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{
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return av_toupper(x & 0xFF) |
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(av_toupper((x >> 8) & 0xFF) << 8) |
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(av_toupper((x >> 16) & 0xFF) << 16) |
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((unsigned)av_toupper((x >> 24) & 0xFF) << 24);
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}
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#endif
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