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author | Aurelien Jacobs <aurel@gnuage.org> | 2010-11-17 22:58:28 +0000 |
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committer | Aurelien Jacobs <aurel@gnuage.org> | 2010-11-17 22:58:28 +0000 |
commit | 0985e1a3ca52436741b95907d9d1c90a42f839b1 (patch) | |
tree | 7ffe8a500cf8e24d3a978c69d39b92c5163bb070 /libavcore/parseutils.h | |
parent | 909865fdbe7225d6e9b4eb5da15028104a4a06da (diff) | |
download | ffmpeg-streaming-0985e1a3ca52436741b95907d9d1c90a42f839b1.zip ffmpeg-streaming-0985e1a3ca52436741b95907d9d1c90a42f839b1.tar.gz |
move the av_parse_color() function from libavfilter to libavcore
Originally committed as revision 25761 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcore/parseutils.h')
-rw-r--r-- | libavcore/parseutils.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/libavcore/parseutils.h b/libavcore/parseutils.h index ad31ef2..052427b 100644 --- a/libavcore/parseutils.h +++ b/libavcore/parseutils.h @@ -50,4 +50,26 @@ int av_parse_video_size(int *width_ptr, int *height_ptr, const char *str); */ 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); + #endif /* AVCORE_PARSEUTILS_H */ |