From d1622d02a15c56a169948ff3f7ed2e66d33b7076 Mon Sep 17 00:00:00 2001
From: Abhishek Kumar <abhishek4.kumar@intel.com>
Date: Fri, 12 Jun 2020 11:29:18 +0530
Subject: [PATCH] [ENCODE] change slice header prefix for AVC Vdenc

Currently in case of Vdenc slice header prefix is 0x000001 (3bytes)
and in case of VME it is 0x00000001 (4 bytes) , so change slice header
prefix to 4 bytes for vdenc(same as i965 driver).
---
 .../agnostic/common/codec/hal/codechal_encode_avc_base.cpp     | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/media_driver/agnostic/common/codec/hal/codechal_encode_avc_base.cpp b/media_driver/agnostic/common/codec/hal/codechal_encode_avc_base.cpp
index b3e5d007..47e40beb 100644
--- a/media_driver/agnostic/common/codec/hal/codechal_encode_avc_base.cpp
+++ b/media_driver/agnostic/common/codec/hal/codechal_encode_avc_base.cpp
@@ -1762,8 +1762,7 @@ MOS_STATUS CodecHalAvcEncode_PackSliceHeader(
 
     // zero byte shall exist when the byte stream NAL unit syntax structure contains the first
     // NAL unit of an access unit in decoding order, as specified by subclause 7.4.1.2.3.
-    // VDEnc Slice header packing handled by PAK does not need the 0 byte inserted
-    if (params->UserFlags.bDisableAcceleratorHeaderPacking && (!params->bVdencEnabled))
+    if (params->UserFlags.bDisableAcceleratorHeaderPacking)
     {
         *bsbuffer->pCurrent = 0;
         bsbuffer->pCurrent++;
-- 
2.17.1