[FFmpeg-cvslog] avcodec/zmbv: Mark decoder as init-threadsafe

[Andreas Rheinhardt]

ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Wed May  5 20:50:16 2021 +0200| [e51fad097b81da868a1bc8ce9757dbd9a4e3c374] | committer: Andreas Rheinhardt

avcodec/zmbv: Mark decoder as init-threadsafe

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

Reviewed-by: Tomas Härdin <tjoppen at acc.umu.se>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e51fad097b81da868a1bc8ce9757dbd9a4e3c374
---

 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,
 };