Commit 66211058 authored by Andreas Cadhalpun's avatar Andreas Cadhalpun Committed by Michael Niedermayer

nutdec: check for negative frame rate in decode_info_header

A negative frame rate triggers an av_assert2 in av_rescale_rnd.
Signed-off-by: 's avatarAndreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
Signed-off-by: 's avatarMichael Niedermayer <michaelni@gmx.at>
parent 5bebd13d
......@@ -553,7 +553,8 @@ 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)
if (st->r_frame_rate.num >= 1000LL*st->r_frame_rate.den ||
st->r_frame_rate.num < 0 || st->r_frame_rate.num < 0)
st->r_frame_rate.num = st->r_frame_rate.den = 0;
continue;
}
......
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