mirror of
https://github.com/xenia-project/FFmpeg.git
synced 2024-11-24 20:19:55 +00:00
76 lines
2.7 KiB
C
76 lines
2.7 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
|
|
|
|
#include "libavcodec/opt.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 (case insensitive match) or a 0xRRGGBB[AA] sequence.
|
|
* The string "random" will result in a random color.
|
|
* @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);
|
|
|
|
/**
|
|
* Parses the key/value pairs list in opts. For each key/value pair
|
|
* found, stores the value in the field in ctx that is named like the
|
|
* key. ctx must be an AVClass context, storing is done using
|
|
* AVOptions.
|
|
*
|
|
* @param key_val_sep a 0-terminated list of characters used to
|
|
* separate key from value
|
|
* @param pairs_sep a 0-terminated list of characters used to separate
|
|
* two pairs from each other
|
|
* @return the number of successfully set key/value pairs, or a negative
|
|
* value corresponding to an AVERROR code in case of error:
|
|
* AVERROR(EINVAL) if opts cannot be parsed,
|
|
* the error code issued by av_set_string3() if a key/value pair
|
|
* cannot be set
|
|
*/
|
|
int av_set_options_string(void *ctx, const char *opts,
|
|
const char *key_val_sep, const char *pairs_sep);
|
|
|
|
#endif /* AVFILTER_PARSEUTILS_H */
|