From 66351255f7491a066ac69c49bf6f3bff6d35cd88 Mon Sep 17 00:00:00 2001
From: Nicolas Dufresne <nicolas.dufresne@collabora.com>
Date: Wed, 22 Aug 2018 19:23:53 +0000
Subject: [PATCH] v4l2object: Only offer MMAP/DMABUF pool

The propose allocation was offering a pool even in DMABUF_IMPORT or
USERPTR mode. These pool are internal only.
---
 sys/v4l2/gstv4l2object.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/sys/v4l2/gstv4l2object.c b/sys/v4l2/gstv4l2object.c
index 9b50c16a64..e9b3e24f1c 100644
--- a/sys/v4l2/gstv4l2object.c
+++ b/sys/v4l2/gstv4l2object.c
@@ -4555,8 +4555,16 @@ gst_v4l2_object_propose_allocation (GstV4l2Object * obj, GstQuery * query)
   if (caps == NULL)
     goto no_caps;
 
-  if ((pool = obj->pool))
-    gst_object_ref (pool);
+  switch (obj->mode) {
+    case GST_V4L2_IO_MMAP:
+    case GST_V4L2_IO_DMABUF:
+      if ((pool = obj->pool))
+        gst_object_ref (pool);
+      break;
+    default:
+      pool = NULL;
+      break;
+  }
 
   if (pool != NULL) {
     GstCaps *pcaps;