From 8a969e1280aa7aef31de6bd3db5ce46dc123fde0 Mon Sep 17 00:00:00 2001
From: songyutong <songyutong@kuaishou.com>
Date: Tue, 9 Nov 2021 18:51:58 +0800
Subject: [PATCH] avcodec/videotoolboxenc: fix pixel buffer memory leak

In function vtenc_populate_extradata(), there is a manually created
pixel buffer that has not been released. So we should use CVPixelBufferRelease
to release this pixel buffer at the end, otherwise will cause a memory leak.

Signed-off-by: Rick Kern <kernrj@gmail.com>
---
 libavcodec/videotoolboxenc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavcodec/videotoolboxenc.c b/libavcodec/videotoolboxenc.c
index bac36fda90..ebaa3ebdc8 100644
--- a/libavcodec/videotoolboxenc.c
+++ b/libavcodec/videotoolboxenc.c
@@ -2554,6 +2554,7 @@ static int vtenc_populate_extradata(AVCodecContext   *avctx,
 
 
 pe_cleanup:
+    CVPixelBufferRelease(pix_buf);
     if(vtctx->session)
         CFRelease(vtctx->session);