From 11bbd6f721367f2140f42a6cc8858b07724922fb Mon Sep 17 00:00:00 2001
From: Fuwei Tang <fuweix.tang@intel.com>
Date: Mon, 9 Sep 2019 13:42:56 +0800
Subject: [PATCH] msdkenc: add an extra surface for hevc encoding

For some hevc 10bit 4K encoding cases, the encoding process may be
slow, and MediaSDK surface can't be released in time before one other
available surface is needed. So add an extra surface for hevc encoding
to avoid this issue.
---
 sys/msdk/gstmsdkh265enc.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sys/msdk/gstmsdkh265enc.c b/sys/msdk/gstmsdkh265enc.c
index 46f64eb035..273a72ed82 100644
--- a/sys/msdk/gstmsdkh265enc.c
+++ b/sys/msdk/gstmsdkh265enc.c
@@ -267,5 +267,7 @@ gst_msdkh265enc_class_init (GstMsdkH265EncClass * klass)
 static void
 gst_msdkh265enc_init (GstMsdkH265Enc * thiz)
 {
+  GstMsdkEnc *msdk_enc = (GstMsdkEnc *) thiz;
   thiz->lowpower = PROP_LOWPOWER_DEFAULT;
+  msdk_enc->num_extra_frames = 1;
 }