avcodec/mpeg12: Make initializing VLCs thread-safe

This automatically makes the eamad, eatqi, ipu and mdec decoders
init-threadsafe; in addition to the actual mpeg[12]video decoders,
of course.

Reviewed-by: Anton Khirnov <anton@khirnov.net>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/libavcodec/mdec.c b/libavcodec/mdec.c
index b16cbb6a79..d0bb1162b6 100644
--- a/libavcodec/mdec.c
+++ b/libavcodec/mdec.c
@@ -258,4 +258,5 @@ AVCodec ff_mdec_decoder = {
     .close            = decode_end,
     .decode           = decode_frame,
     .capabilities     = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS,
+    .caps_internal    = FF_CODEC_CAP_INIT_THREADSAFE,
 };