ffmpeg/libavfilter/parseutils.h
Stefano Sabatini a3015225c7 Implement av_parse_color().
Originally committed as revision 18748 to svn://svn.ffmpeg.org/ffmpeg/trunk
2009-05-05 22:10:06 +00:00

54 lines
1.8 KiB
C

/*
* copyright (c) 2009 Stefano Sabatini
* 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
*/
/**
* @file libavfilter/parseutils.h
* parsing utils
*/
#ifndef AVFILTER_PARSEUTILS_H
#define AVFILTER_PARSEUTILS_H
/**
* Unescapes the given string until a non escaped terminating char,
* and returns the token corresponding to the unescaped string.
*
* The normal \ and ' escaping is supported. Leading and trailing
* whitespaces are removed.
*
* @param term a 0-terminated list of terminating chars
* @param buf the buffer to parse, buf will be updated to point to the
* terminating char
* @return the malloced unescaped string, which must be av_freed by
* the user
*/
char *av_get_token(const char **buf, const char *term);
/**
* Puts the RGBA values that correspond to color_string in rgba_color.
*
* @param color_string a string specifying a color. It can be the name of
* a color or a 0xRRGGBB[AA] sequence.
* @return >= 0 in case of success, a negative value in case of
* failure (for example if color_string cannot be parsed).
*/
int av_parse_color(uint8_t *rgba_color, const char *color_string, void *log_ctx);
#endif /* AVFILTER_PARSEUTILS_H */