From 776e9f9e2af40252c93e150be712f848d562fccf Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Mon, 11 Oct 2021 16:01:02 +0200
Subject: [PATCH] avcodec/libdav1d: Don't leak side-data-only packets

Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
 libavcodec/libdav1d.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/libdav1d.c b/libavcodec/libdav1d.c
index 2807210e50..2d5fccec71 100644
--- a/libavcodec/libdav1d.c
+++ b/libavcodec/libdav1d.c
@@ -328,6 +328,9 @@ static int libdav1d_receive_frame(AVCodecContext *c, AVFrame *frame)
                     return res;
                 }
             }
+        } else if (res >= 0) {
+            av_packet_unref(&pkt);
+            return AVERROR(EAGAIN);
         }
     }