From e51fad097b81da868a1bc8ce9757dbd9a4e3c374 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Wed, 5 May 2021 20:50:16 +0200
Subject: [PATCH] avcodec/zmbv: Mark decoder as init-threadsafe
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Initializing zlib in the way we do here is threadsafe, see
https://www.zlib.net/zlib_faq.html#faq21

Reviewed-by: Tomas Härdin <tjoppen@acc.umu.se>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
 libavcodec/zmbv.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/zmbv.c b/libavcodec/zmbv.c
index 4cc0476f4d..0a5bb40ad5 100644
--- a/libavcodec/zmbv.c
+++ b/libavcodec/zmbv.c
@@ -664,5 +664,5 @@ const AVCodec ff_zmbv_decoder = {
     .close          = decode_end,
     .decode         = decode_frame,
     .capabilities   = AV_CODEC_CAP_DR1,
-    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
+    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
 };