dshowvideosink: don't crash on invalid AM_MEDIA_TYPE
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@ -521,8 +521,15 @@ gst_dshowvideosink_window_thread (GstDshowVideoSink * sink)
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* of the video.
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*/
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RECT rect;
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VIDEOINFOHEADER *vi = (VIDEOINFOHEADER *)sink->mediatype.pbFormat;
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AM_MEDIA_TYPE pmt = (AM_MEDIA_TYPE)sink->mediatype;
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VIDEOINFOHEADER *vi = (VIDEOINFOHEADER *)pmt.pbFormat;
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if (vi == NULL)
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{
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GST_ELEMENT_ERROR (sink, RESOURCE, NOT_FOUND, ("Unknown media format"), (NULL));
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return NULL;
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}
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/* rcTarget is the aspect-ratio-corrected size of the video. */
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width = vi->rcTarget.right + GetSystemMetrics (SM_CXSIZEFRAME) * 2;
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height = vi->rcTarget.bottom + GetSystemMetrics (SM_CYCAPTION) +
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