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nutdec: sanity check r_frame_rate 

This fixes files that store a somewhat incorrect value.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-12-18 04:05:44 +01:00
parent 8b63744f48
commit ebfb738fa4
1 changed files with 2 additions and 0 deletions
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2
libavformat/nutdec.c
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@ -522,6 +522,8 @@ static int decode_info_header(NUTContext *nut)
if (stream_id_plus1 && !strcmp(name, "r_frame_rate")) {
sscanf(str_value, "%d/%d", &st->r_frame_rate.num, &st->r_frame_rate.den);
if (st->r_frame_rate.num >= 1000LL*st->r_frame_rate.den)
st->r_frame_rate.num = st->r_frame_rate.den = 0;
continue;
}