winegstreamer: Trace wg_transform input and output caps.

dlls/winegstreamer/wg_transform.c

@@ -324,6 +324,8 @@ NTSTATUS wg_transform_create(void *args)
     if (!transform->my_src)
         goto out;
 
+    GST_INFO("transform %p input caps %"GST_PTR_FORMAT, transform, src_caps);
+
     gst_pad_set_element_private(transform->my_src, transform);
     gst_pad_set_query_function(transform->my_src, transform_src_query_cb);
 
@@ -336,6 +338,8 @@ NTSTATUS wg_transform_create(void *args)
     if (!transform->my_sink)
         goto out;
 
+    GST_INFO("transform %p output caps %"GST_PTR_FORMAT, transform, transform->output_caps);
+
     gst_pad_set_element_private(transform->my_sink, transform);
     gst_pad_set_event_function(transform->my_sink, transform_sink_event_cb);
     gst_pad_set_query_function(transform->my_sink, transform_sink_query_cb);
@@ -505,6 +509,8 @@ NTSTATUS wg_transform_set_output_format(void *args)
     }
     transform->output_format = *format;
 
+    GST_INFO("transform %p output caps %"GST_PTR_FORMAT, transform, caps);
+
     if (gst_caps_is_always_compatible(transform->output_caps, caps))
     {
         gst_caps_unref(caps);
@@ -795,6 +801,8 @@ NTSTATUS wg_transform_read_data(void *args)
     {
         GST_MINI_OBJECT_FLAG_UNSET(transform->output_sample, GST_SAMPLE_FLAG_WG_CAPS_CHANGED);
 
+        GST_INFO("transform %p output caps %"GST_PTR_FORMAT, transform, output_caps);
+
         if (format)
         {
             gsize plane_align = transform->attrs.output_plane_align;