[FFmpeg-devel] [PATCH 2/2] avutil/slicethread: Add a maximum constraint of 16 slice threads

lance.lmwang at gmail.com lance.lmwang at gmail.com
Fri Nov 5 14:32:16 EET 2021


From: Limin Wang <lance.lmwang at gmail.com>

Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
---
 libavutil/slicethread.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavutil/slicethread.c b/libavutil/slicethread.c
index 867ce32..7b3a106 100644
--- a/libavutil/slicethread.c
+++ b/libavutil/slicethread.c
@@ -104,7 +104,7 @@ int avpriv_slicethread_create(AVSliceThread **pctx, void *priv,
     if (!nb_threads) {
         int nb_cpus = av_cpu_count();
         if (nb_cpus > 1)
-            nb_threads = nb_cpus + 1;
+            nb_threads = FFMIN(nb_cpus + 1, 16);
         else
             nb_threads = 1;
     }
-- 
1.8.3.1



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