From f9e01a53d8df4c4d3a6782e55ab7d11b480ff368 Mon Sep 17 00:00:00 2001
From: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Date: Mon, 6 Jun 2016 17:54:10 -0400
Subject: [PATCH] v4l2transform: Use looser caps for upstream

When we fixate for upstream, try to not introduce new fields when not
needed. This was imported from videoconvert element.
---
 sys/v4l2/gstv4l2transform.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/sys/v4l2/gstv4l2transform.c b/sys/v4l2/gstv4l2transform.c
index f9a1d920ec..864b64f52c 100644
--- a/sys/v4l2/gstv4l2transform.c
+++ b/sys/v4l2/gstv4l2transform.c
@@ -861,6 +861,12 @@ done:
   /* fixate remaining fields */
   othercaps = gst_caps_fixate (othercaps);
 
+  if (direction == GST_PAD_SINK) {
+    if (gst_caps_is_subset (caps, othercaps)) {
+      gst_caps_replace (&othercaps, caps);
+    }
+  }
+
   return othercaps;
 }