ffmpeg/libavcodec/to_upper4.h

38 lines
1.2 KiB
C

/*
* Converting FOURCCs to uppercase
* Copyright (c) 2001 Fabrice Bellard
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
* 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_TO_UPPER4_H
#define AVCODEC_TO_UPPER4_H
#include "libavutil/avstring.h"
#include "internal.h"
unsigned int ff_toupper4(unsigned int x)
{
return av_toupper(x & 0xFF) |
(av_toupper((x >> 8) & 0xFF) << 8) |
(av_toupper((x >> 16) & 0xFF) << 16) |
((unsigned)av_toupper((x >> 24) & 0xFF) << 24);
}
#endif