From e10d75610c62fcc42ad8931a09abc73ee82caf82 Mon Sep 17 00:00:00 2001 From: Andreas Rheinhardt Date: Wed, 30 Dec 2020 19:05:46 +0100 Subject: [PATCH] avcodec/dvenc: Make encoder init-threadsafe Signed-off-by: Andreas Rheinhardt --- libavcodec/dvenc.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/libavcodec/dvenc.c b/libavcodec/dvenc.c index 458f39b558..393c8b34e9 100644 --- a/libavcodec/dvenc.c +++ b/libavcodec/dvenc.c @@ -33,6 +33,7 @@ #include "libavutil/mem_internal.h" #include "libavutil/opt.h" #include "libavutil/pixdesc.h" +#include "libavutil/thread.h" #include "avcodec.h" #include "dv.h" @@ -68,8 +69,6 @@ static av_cold int dvvideo_encode_init(AVCodecContext *avctx) return ret; } - dv_vlc_map_tableinit(); - memset(&fdsp,0, sizeof(fdsp)); memset(&mecc,0, sizeof(mecc)); memset(&pdsp,0, sizeof(pdsp)); @@ -84,6 +83,13 @@ static av_cold int dvvideo_encode_init(AVCodecContext *avctx) s->fdct[0] = fdsp.fdct; s->fdct[1] = fdsp.fdct248; +#if !CONFIG_HARDCODED_TABLES + { + static AVOnce init_static_once = AV_ONCE_INIT; + ff_thread_once(&init_static_once, dv_vlc_map_tableinit); + } +#endif + return ff_dvvideo_init(avctx); } @@ -1212,4 +1218,5 @@ const AVCodec ff_dvvideo_encoder = { AV_PIX_FMT_YUV420P, AV_PIX_FMT_NONE }, .priv_class = &dvvideo_encode_class, + .caps_internal = FF_CODEC_CAP_INIT_THREADSAFE, };