From 535740167134ac6616344261157cf7e2a4ce8a9c Mon Sep 17 00:00:00 2001 From: Marton Balint Date: Sat, 5 Sep 2020 17:46:42 +0200 Subject: [PATCH] avutil/timecode: do not trash bits on invalid av_timecode_get_smpte arguments The function has no way to return error, so let's clip or calculate modulo. Signed-off-by: Marton Balint --- libavutil/timecode.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/libavutil/timecode.c b/libavutil/timecode.c index c0956adadb7..806638ddfce 100644 --- a/libavutil/timecode.c +++ b/libavutil/timecode.c @@ -84,6 +84,11 @@ uint32_t av_timecode_get_smpte(AVRational rate, int drop, int hh, int mm, int ss ff /= 2; } + hh = hh % 24; + mm = av_clip(mm, 0, 59); + ss = av_clip(ss, 0, 59); + ff = ff % 40; + tc |= drop << 30; tc |= (ff / 10) << 28; tc |= (ff % 10) << 24; -- 2.39.2