commit 81615efaaa8cda6622f61f8ef43b5398286d9bab
author Alex_Si <alex.si@intel.com> Thu Jun 28 11:42:32 2018 +0800
committer Oliver Sang <oliver.sang@intel.com> Fri Jun 29 10:32:34 2018 +0800
tree 0f12db7e79e7cf875c2cb4eef6fa0903cf21bf7f
parent 4e6e44c888bcacac743e057fec67467373ce8f1d

[Encode] KW issue fix for encoder g10(CL#778304)

KW issue fix for encoder g10

Change-Id: I1dab578014684a0cd98eea16f07fefd429c4f16f

media_driver/agnostic/gen10/codec/hal/codechal_encode_mpeg2_g10.cpp

diff --git a/media_driver/agnostic/gen10/codec/hal/codechal_encode_mpeg2_g10.cpp b/media_driver/agnostic/gen10/codec/hal/codechal_encode_mpeg2_g10.cpp
index a23bb59..673b6f3 100644
--- a/media_driver/agnostic/gen10/codec/hal/codechal_encode_mpeg2_g10.cpp
+++ b/media_driver/agnostic/gen10/codec/hal/codechal_encode_mpeg2_g10.cpp
@@ -2087,7 +2087,11 @@
         uint8_t scaledIdx = m_refList[refPicIdx]->ucScalingIdx;
 
         // for 4xMe
-        refScaledSurface.OsResource = m_trackedBuf->Get4xDsSurface(scaledIdx)->OsResource;
+        MOS_SURFACE* p4xSurface = m_trackedBuf->Get4xDsSurface(scaledIdx);
+        if (p4xSurface != nullptr)
+        {
+            refScaledSurface.OsResource = p4xSurface->OsResource;
+        }
         refScaledBottomFieldOffset = refBottomField ? (uint32_t)m_scaledBottomFieldOffset : 0;
 
         // L1 Reference Picture Y - VME