1 files changed, 7 insertions, 0 deletions
diff --git a/libavfilter/dnn/dnn_backend_tf.c b/libavfilter/dnn/dnn_backend_tf.c
index 84952ece5a..6e41470da4 100644
--- a/libavfilter/dnn/dnn_backend_tf.c
+++ b/libavfilter/dnn/dnn_backend_tf.c
@@ -884,6 +884,13 @@ DNNModel *ff_dnn_load_model_tf(const char *model_filename, DNNFunctionType func_
         ctx->options.nireq = av_cpu_count() / 2 + 1;
     }
 
+#if !HAVE_PTHREAD_CANCEL
+    if (ctx->options.async) {
+        ctx->options.async = 0;
+        av_log(filter_ctx, AV_LOG_WARNING, "pthread is not supported, roll back to sync.\n");
+    }
+#endif
+
     tf_model->request_queue = ff_safe_queue_create();
     if (!tf_model->request_queue) {
         goto err;