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avutil/timecode: do not trash bits on invalid av_timecode_get_smpte arguments

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The function has no way to return error, so let's clip or calculate modulo.

Signed-off-by: Marton Balint <cus@passwd.hu>
This commit is contained in:
Marton Balint 2020-09-05 17:46:42 +02:00
parent d0596e0bb0
commit 5357401671
1 changed files with 5 additions and 0 deletions
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5
libavutil/timecode.c
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@ -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;