avcodec/dnxhdenc: do not free nonexistent slice threads data when fra…

…me threading is used Forgotten in 28e9ba9. Fixes #7241. Signed-off-by: Paul B Mahol <[email protected]>
linhongxiu · Jun 1, 2018 · 0d35413 · 0d35413
1 parent 04b5708
commit 0d35413
Showing 1 changed file with 4 additions and 2 deletions.
diff --git 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;
 }