msdkdec: Check width and height of mfxVideoParam before allocation

DecodeHeader must be called to fill the mfxVideoParam before allocation,
and thus the check for width and height in mfxVideoParam is necessary.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1817>

diff --git a/subprojects/gst-plugins-bad/sys/msdk/gstmsdkdec.c b/subprojects/gst-plugins-bad/sys/msdk/gstmsdkdec.c
index 291a42e..8700d6e 100644 (file)
--- a/subprojects/gst-plugins-bad/sys/msdk/gstmsdkdec.c
+++ b/subprojects/gst-plugins-bad/sys/msdk/gstmsdkdec.c
@@ -1675,6 +1675,9 @@ gst_msdkdec_decide_allocation (GstVideoDecoder * decoder, GstQuery * query)
   GstCaps *pool_caps /*, *negotiated_caps */ ;
   guint size, min_buffers, max_buffers;
 
+  if (!thiz->param.mfx.FrameInfo.Width || !thiz->param.mfx.FrameInfo.Height)
+    return FALSE;
+
   if (!GST_VIDEO_DECODER_CLASS (parent_class)->decide_allocation (decoder,
           query))
     return FALSE;