From 05ba0ffca9b4c28e08fdd8086218c0075537125c Mon Sep 17 00:00:00 2001
From: Wenbin Chen <wenbin.chen-at-intel.com@ffmpeg.org>
Date: Thu, 20 Jan 2022 15:13:43 +0800
Subject: libavcodec/qsvenc: fix a memory leak problem

"qf->frame" ref to input frame but it isn't released. av_frame_unref()
is added before refering qf->frame to new frame to make sure the previous
reference is released.

Reported-by: Mark Samuelson <Mark.Samuelson@sonicfoundry.com>
Signed-off-by: Wenbin Chen <wenbin.chen@intel.com>
Signed-off-by: Haihao Xiang <haihao.xiang@intel.com>
---
 libavcodec/qsvenc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
index 413e5ae8f6..acb82f321c 100644
--- a/libavcodec/qsvenc.c
+++ b/libavcodec/qsvenc.c
@@ -1575,6 +1575,7 @@ static int submit_frame(QSVEncContext *q, const AVFrame *frame,
                 return ret;
             }
         } else {
+            av_frame_unref(qf->frame);
             ret = av_frame_ref(qf->frame, frame);
             if (ret < 0)
                 return ret;
-- 
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