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avformat/webvttdec: Accept \r as newline

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After parsing the end timestamp of a WebVTT cue block, the current code
skips everything after the start of the timestamp that is not a \t, ' '
or \n and treats what is next as the start of a WebVTT cue settings list.
Yet if there is no such list, but a single \r, this will skip a part of
the cue payload (namely everything until the first occurence of \t, ' '
or \n) and treat what has not been skipped as the beginning of the
WebVTT cue settings list that extends until the next \r or \n (or the
end).

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
This commit is contained in:
Andreas Rheinhardt 2020-06-20 07:06:04 +02:00
parent 36fa84e7ac
commit 7447045cc0
1 changed files with 1 additions and 1 deletions
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2
libavformat/webvttdec.c
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@ -125,7 +125,7 @@ static int webvtt_read_header(AVFormatContext *s)
break; break;
/* optional cue settings */ /* optional cue settings */
p += strcspn(p, "\n\t "); p += strcspn(p, "\n\r\t ");
while (*p == '\t' || *p == ' ') while (*p == '\t' || *p == ' ')
p++; p++;
settings = p; settings = p;