None of its fields have meaningful values at that point that would need
to be copied to frame thread workers.
---
 libavcodec/pthread_frame.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/pthread_frame.c b/libavcodec/pthread_frame.c
index aa971bd74d..4ae1c02f62 100644
--- a/libavcodec/pthread_frame.c
+++ b/libavcodec/pthread_frame.c
@@ -791,7 +791,7 @@ static av_cold int init_thread(PerThreadContext *p, int 
*threads_to_free,
     p->parent = fctx;
     p->avctx  = copy;
 
-    copy->internal = av_memdup(avctx->internal, sizeof(*avctx->internal));
+    copy->internal = av_mallocz(sizeof(*copy->internal));
     if (!copy->internal)
         return AVERROR(ENOMEM);
     copy->internal->thread_ctx = p;
-- 
2.34.1

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