av1decoder: Clear highest_spatial_layer per sequence header

Clear the value to default zero, indicating that no spatial scalability
layer is used.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3430>

diff --git a/subprojects/gst-plugins-bad/gst-libs/gst/codecs/gstav1decoder.c b/subprojects/gst-plugins-bad/gst-libs/gst/codecs/gstav1decoder.c
index a5a3013..019437e 100644 (file)
--- a/subprojects/gst-plugins-bad/gst-libs/gst/codecs/gstav1decoder.c
+++ b/subprojects/gst-plugins-bad/gst-libs/gst/codecs/gstav1decoder.c
@@ -403,6 +403,8 @@ gst_av1_decoder_process_sequence (GstAV1Decoder * self, GstAV1OBU * obu)
         _floor_log2 (priv->parser->state.operating_point_idc >> 8);
     GST_INFO_OBJECT (self, "set highest spatial layer to %d",
         self->highest_spatial_layer);
+  } else {
+    self->highest_spatial_layer = 0;
   }
 
   ret = klass->new_sequence (self, &seq_header,