From afa20e6db82245807bd0bb181dd22e1b714972cc Mon Sep 17 00:00:00 2001
From: Wenbin Chen <wenbin.chen-at-intel.com@ffmpeg.org>
Date: Mon, 20 Jun 2022 17:06:31 +0800
Subject: [PATCH] libavcodec/qsvenc_hevc: Use default value from MSDK to set
 bf.

Change the default value of "bf" for hevc_qsv to -1. 8 isn't the best
choice so let MSDK to decide the number of b frames.

Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>
Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
---
 libavcodec/qsvenc_hevc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/qsvenc_hevc.c b/libavcodec/qsvenc_hevc.c
index da2bf457af..f6027f600b 100644
--- a/libavcodec/qsvenc_hevc.c
+++ b/libavcodec/qsvenc_hevc.c
@@ -287,7 +287,7 @@ static const FFCodecDefault qsv_enc_defaults[] = {
     { "refs",      "0"     },
     // same as the x264 default
     { "g",         "248"   },
-    { "bf",        "8"     },
+    { "bf",        "-1"    },
     { "qmin",      "-1"    },
     { "qmax",      "-1"    },
     { "trellis",   "-1"    },