ffmpeg | branch: master | Paul B Mahol <one...@gmail.com> | Fri Jun  1 10:54:39 
2018 +0200| [0d35413e5dbe304bafbe48b1057785ced44de71f] | committer: Paul B Mahol

avcodec/dnxhdenc: do not free nonexistent slice threads data when frame 
threading is used

Forgotten in 28e9ba951d1a0b0aca53b242aa64f484ca75e874.
Fixes #7241.

Signed-off-by: Paul B Mahol <one...@gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0d35413e5dbe304bafbe48b1057785ced44de71f
---

 libavcodec/dnxhdenc.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/libavcodec/dnxhdenc.c b/libavcodec/dnxhdenc.c
index 86e71ca8b0..01e22e7764 100644
--- a/libavcodec/dnxhdenc.c
+++ b/libavcodec/dnxhdenc.c
@@ -1369,8 +1369,10 @@ static av_cold int dnxhd_encode_end(AVCodecContext 
*avctx)
     av_freep(&ctx->qmatrix_c16);
     av_freep(&ctx->qmatrix_l16);
 
-    for (i = 1; i < avctx->thread_count; i++)
-        av_freep(&ctx->thread[i]);
+    if (avctx->active_thread_type == FF_THREAD_SLICE) {
+        for (i = 1; i < avctx->thread_count; i++)
+            av_freep(&ctx->thread[i]);
+    }
 
     return 0;
 }

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