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.rheinha...@gmail.com>
---
libavformat/webvttdec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/webvttdec.c b/libavformat/webvttdec.c
index bd3d45b382..8d2fdfed37 100644
--- a/libavformat/webvttdec.c
+++ b/libavformat/webvttdec.c
@@ -125,7 +125,7 @@ static int webvtt_read_header(AVFormatContext *s)
break;
/* optional cue settings */
- p += strcspn(p, "\n\t ");
+ p += strcspn(p, "\n\r\t ");
while (*p == '\t' || *p == ' ')
p++;
settings = p;
--
2.20.1
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