FFmpeg
libavcodec
to_upper4.h
Go to the documentation of this file.
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/*
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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
ff_toupper4
unsigned int ff_toupper4(unsigned int x)
Definition:
to_upper4.h:29
internal.h
av_toupper
static av_const int av_toupper(int c)
Locale-independent conversion of ASCII characters to uppercase.
Definition:
avstring.h:227
avstring.h
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