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subparse: Improve subrip type check regex

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This patch prevents timestamp like "1 1:00:00", which would have been seen
as hour 101 by our parser, and allow single digit hour, minute and seconds
as it's already supported by the parser, and also by other implementation
like in mplayer. This fixes bug 657872.

https://bugzilla.gnome.org/show_bug.cgi?id=657872
This commit is contained in:
Nicolas Dufresne 2011-08-31 20:51:17 -04:00 committed by Sebastian Dröge
parent 2ad501aa51
commit 25939e0218
1 changed files with 3 additions and 3 deletions
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6
gst/subparse/gstsubparse.c
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@ -1246,9 +1246,9 @@ gst_sub_parse_data_format_autodetect_regex_once (GstSubParseRegex regtype)
}
break;
case GST_SUB_PARSE_REGEX_SUBRIP:
result = (gpointer) g_regex_new ("^([ 0-9]){0,3}[0-9]\\s*(\x0d)?\x0a"
"[ 0-9][0-9]:[ 0-9][0-9]:[ 0-9][0-9][,.][ 0-9]{0,2}[0-9]"
" +--> +([ 0-9])?[0-9]:[ 0-9][0-9]:[ 0-9][0-9][,.][ 0-9]{0,2}[0-9]",
result = (gpointer) g_regex_new ("^ {0,3}[ 0-9]{1,4}\\s*(\x0d)?\x0a"
" ?[0-9]{1,2}: ?[0-9]{1,2}: ?[0-9]{1,2}[,.] {0,2}[0-9]{1,3}"
" +--> +[0-9]{1,2}: ?[0-9]{1,2}: ?[0-9]{1,2}[,.] {0,2}[0-9]{1,2}",
G_REGEX_RAW | G_REGEX_OPTIMIZE, 0, &gerr);
if (result == NULL) {
g_warning ("Compilation of subrip regex failed: %s", gerr->message);