Otherwise all thread's private contexts have the avctx pointer set to
the AVCodecContext of the first thread, which means all writes to
ctx->avctx->* (in e.g. read_header) are effectively race conditions.
Fixes fate-dnxhd under tsan.
---
libavcodec/dnxhddec.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavcodec/dnxhddec.c b/libavcodec/dnxhddec.c
index 305fd52..766467e 100644
--- a/libavcodec/dnxhddec.c
+++ b/libavcodec/dnxhddec.c
@@ -145,6 +145,7 @@ static av_cold int
dnxhd_decode_init_thread_copy(AVCodecContext *avctx)
{
DNXHDContext *ctx = avctx->priv_data;
+ ctx->avctx = avctx;
// make sure VLC tables will be loaded when cid is parsed
ctx->cid = -1;
--
2.8.1
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