From 1ec231b85dd9fb330fc193baffd1bb5fddd80bd9 Mon Sep 17 00:00:00 2001
From: Haihao Xiang <haihao.xiang@intel.com>
Date: Fri, 31 May 2019 14:09:40 +0800
Subject: [PATCH] msdk: return a right pointer for VUYA format

The first channel in memory is V for VUYA format, note
GST_VIDEO_FORMAT_VUYA is mapped to MFX_FOURCC_AYUV in this plugin
---
 sys/msdk/gstmsdksystemmemory.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sys/msdk/gstmsdksystemmemory.c b/sys/msdk/gstmsdksystemmemory.c
index 336e83f49f..62f5c8f305 100644
--- a/sys/msdk/gstmsdksystemmemory.c
+++ b/sys/msdk/gstmsdksystemmemory.c
@@ -217,7 +217,11 @@ gst_msdk_system_memory_map_full (GstMemory * base_mem, GstMapInfo * info,
     return NULL;
   }
 
-  return mem->surface->Data.Y;
+  /* The first channel in memory is V for MFX_FOURCC_AYUV (GST_VIDEO_FORMAT_VUYA) format */
+  if (mem->surface->Info.FourCC == MFX_FOURCC_AYUV)
+    return mem->surface->Data.V;
+  else
+    return mem->surface->Data.Y;
 }
 
 static void