+++ /dev/null
-/*
- * 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 AVUTIL_PARSEUTILS_H
-#define AVUTIL_PARSEUTILS_H
-
-#include <time.h>
-
-#include "rational.h"
-
-/**
- * @file
- * misc parsing utilities
- */
-
-/**
- * Parse str and store the parsed ratio in q.
- *
- * Note that a ratio with infinite (1/0) or negative value is
- * considered valid, so you should check on the returned value if you
- * want to exclude those values.
- *
- * The undefined value can be expressed using the "0:0" string.
- *
- * @param[in,out] q pointer to the AVRational which will contain the ratio
- * @param[in] str the string to parse: it has to be a string in the format
- * num:den, a float number or an expression
- * @param[in] max the maximum allowed numerator and denominator
- * @param[in] log_offset log level offset which is applied to the log
- * level of log_ctx
- * @param[in] log_ctx parent logging context
- * @return >= 0 on success, a negative error code otherwise
- */
-int av_parse_ratio(AVRational *q, const char *str, int max,
- int log_offset, void *log_ctx);
-
-#define av_parse_ratio_quiet(rate, str, max) \
- av_parse_ratio(rate, str, max, AV_LOG_MAX_OFFSET, NULL)
-
-/**
- * Parse str and put in width_ptr and height_ptr the detected values.
- *
- * @param[in,out] width_ptr pointer to the variable which will contain the detected
- * width value
- * @param[in,out] height_ptr pointer to the variable which will contain the detected
- * height value
- * @param[in] str the string to parse: it has to be a string in the format
- * width x height or a valid video size abbreviation.
- * @return >= 0 on success, a negative error code otherwise
- */
-int av_parse_video_size(int *width_ptr, int *height_ptr, const char *str);
-
-/**
- * Parse str and store the detected values in *rate.
- *
- * @param[in,out] rate pointer to the AVRational which will contain the detected
- * frame rate
- * @param[in] str the string to parse: it has to be a string in the format
- * rate_num / rate_den, a float number or a valid video rate abbreviation
- * @return >= 0 on success, a negative error code otherwise
- */
-int av_parse_video_rate(AVRational *rate, const char *str);
-
-/**
- * Put 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 [0x|#]RRGGBB[AA] sequence,
- * possibly followed by "@" and a string representing the alpha
- * component.
- * The alpha component may be a string composed by "0x" followed by an
- * hexadecimal number or a decimal number between 0.0 and 1.0, which
- * represents the opacity value (0x00/0.0 means completely transparent,
- * 0xff/1.0 completely opaque).
- * If the alpha component is not specified then 0xff is assumed.
- * The string "random" will result in a random color.
- * @param slen length of the initial part of color_string containing the
- * color. It can be set to -1 if color_string is a null terminated string
- * containing nothing else than the 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, int slen,
- void *log_ctx);
-
-/**
- * Get the name of a color from the internal table of hard-coded named
- * colors.
- *
- * This function is meant to enumerate the color names recognized by
- * av_parse_color().
- *
- * @param color_idx index of the requested color, starting from 0
- * @param rgbp if not NULL, will point to a 3-elements array with the color value in RGB
- * @return the color name string or NULL if color_idx is not in the array
- */
-const char *av_get_known_color_name(int color_idx, const uint8_t **rgb);
-
-/**
- * Parse timestr and return in *time a corresponding number of
- * microseconds.
- *
- * @param timeval puts here the number of microseconds corresponding
- * to the string in timestr. If the string represents a duration, it
- * is the number of microseconds contained in the time interval. If
- * the string is a date, is the number of microseconds since 1st of
- * January, 1970 up to the time of the parsed date. If timestr cannot
- * be successfully parsed, set *time to INT64_MIN.
-
- * @param timestr a string representing a date or a duration.
- * - If a date the syntax is:
- * @code
- * [{YYYY-MM-DD|YYYYMMDD}[T|t| ]]{{HH:MM:SS[.m...]]]}|{HHMMSS[.m...]]]}}[Z]
- * now
- * @endcode
- * If the value is "now" it takes the current time.
- * Time is local time unless Z is appended, in which case it is
- * interpreted as UTC.
- * If the year-month-day part is not specified it takes the current
- * year-month-day.
- * - If a duration the syntax is:
- * @code
- * [-][HH:]MM:SS[.m...]
- * [-]S+[.m...]
- * @endcode
- * @param duration flag which tells how to interpret timestr, if not
- * zero timestr is interpreted as a duration, otherwise as a date
- * @return >= 0 in case of success, a negative value corresponding to an
- * AVERROR code otherwise
- */
-int av_parse_time(int64_t *timeval, const char *timestr, int duration);
-
-/**
- * Attempt to find a specific tag in a URL.
- *
- * syntax: '?tag1=val1&tag2=val2...'. Little URL decoding is done.
- * Return 1 if found.
- */
-int av_find_info_tag(char *arg, int arg_size, const char *tag1, const char *info);
-
-/**
- * Simplified version of strptime
- *
- * Parse the input string p according to the format string fmt and
- * store its results in the structure dt.
- * This implementation supports only a subset of the formats supported
- * by the standard strptime().
- *
- * The supported input field descriptors are listed below.
- * - %H: the hour as a decimal number, using a 24-hour clock, in the
- * range '00' through '23'
- * - %J: hours as a decimal number, in the range '0' through INT_MAX
- * - %M: the minute as a decimal number, using a 24-hour clock, in the
- * range '00' through '59'
- * - %S: the second as a decimal number, using a 24-hour clock, in the
- * range '00' through '59'
- * - %Y: the year as a decimal number, using the Gregorian calendar
- * - %m: the month as a decimal number, in the range '1' through '12'
- * - %d: the day of the month as a decimal number, in the range '1'
- * through '31'
- * - %T: alias for '%H:%M:%S'
- * - %%: a literal '%'
- *
- * @return a pointer to the first character not processed in this function
- * call. In case the input string contains more characters than
- * required by the format string the return value points right after
- * the last consumed input character. In case the whole input string
- * is consumed the return value points to the null byte at the end of
- * the string. On failure NULL is returned.
- */
-char *av_small_strptime(const char *p, const char *fmt, struct tm *dt);
-
-/**
- * Convert the decomposed UTC time in tm to a time_t value.
- */
-time_t av_timegm(struct tm *tm);
-
-#endif /* AVUTIL_PARSEUTILS_H */
projects / rtmpclient.git / blobdiff