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winegstreamer: Avoid zero division in amt_from_gst_caps_video().

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Signed-off-by: Masanori Kakura <kakurasan@gmail.com>
Signed-off-by: Andrew Eikum <aeikum@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Masanori Kakura 2017-01-25 23:02:20 +09:00 committed by Alexandre Julliard
parent 55c5a77b47
commit 442653b94e
1 changed files with 2 additions and 3 deletions
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5
dlls/winegstreamer/gstdemux.c
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@ -233,9 +233,8 @@ static gboolean amt_from_gst_caps_video(GstCaps *caps, AM_MEDIA_TYPE *amt)
bih->biCompression = amt->subtype.Data1;
}
bih->biSizeImage = width * height * bih->biBitCount / 8;
vih->AvgTimePerFrame = 10000000;
vih->AvgTimePerFrame *= denom;
vih->AvgTimePerFrame /= nom;
if ((vih->AvgTimePerFrame = (REFERENCE_TIME)MulDiv(10000000, denom, nom)) == -1)
vih->AvgTimePerFrame = 0; /* zero division or integer overflow */
vih->rcSource.left = 0;
vih->rcSource.right = width;
vih->rcSource.top = height;