vaapipostproc: fix deinterlacing from non VA memory buffers.

When we copy a buffer because we're moving it into VA-API memory, we
need to copy flags. Otherwise, interlaced YUV buffers from a capture
source (e.g. V4L2) don't get flagged as interlaced.

https://bugzilla.gnome.org/show_bug.cgi?id=726270

Signed-off-by: Simon Farnsworth <simon.farnsworth@onelan.co.uk>
[reversed order of gst_buffer_copy_into() flags to match <1.0 code]
Signed-off-by: Gwenole Beauchesne <gwenole.beauchesne@intel.com>

diff --git a/gst/vaapi/gstvaapipluginbase.c b/gst/vaapi/gstvaapipluginbase.c
index 504fd8e..922260f 100644 (file)
--- a/gst/vaapi/gstvaapipluginbase.c
+++ b/gst/vaapi/gstvaapipluginbase.c
@@ -700,7 +700,8 @@ gst_vaapi_plugin_base_get_input_buffer (GstVaapiPluginBase * plugin,
   if (!success)
     goto error_copy_buffer;
 
-  gst_buffer_copy_into (outbuf, inbuf, GST_BUFFER_COPY_TIMESTAMPS, 0, -1);
+  gst_buffer_copy_into (outbuf, inbuf, GST_BUFFER_COPY_FLAGS |
+      GST_BUFFER_COPY_TIMESTAMPS, 0, -1);
   *outbuf_ptr = outbuf;
   return GST_FLOW_OK;