nvenc: Fix deadlock because of too strict buffer pool size

The pool size might need to be larger than encoding surface pool size.
Also, because we always copy input frame into internal CUDA memory,
there's no reason to restrict max size of buffer pool.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1939>

diff --git a/subprojects/gst-plugins-bad/sys/nvcodec/gstnvbaseenc.c b/subprojects/gst-plugins-bad/sys/nvcodec/gstnvbaseenc.c
index 809d08c..f42f25c 100644 (file)
--- a/subprojects/gst-plugins-bad/sys/nvcodec/gstnvbaseenc.c
+++ b/subprojects/gst-plugins-bad/sys/nvcodec/gstnvbaseenc.c
@@ -669,8 +669,7 @@ gst_nv_base_enc_propose_allocation (GstVideoEncoder * enc, GstQuery * query)
   size = GST_VIDEO_INFO_SIZE (&info);
 
   config = gst_buffer_pool_get_config (pool);
-  gst_buffer_pool_config_set_params (config, caps, size,
-      nvenc->items->len, nvenc->items->len);
+  gst_buffer_pool_config_set_params (config, caps, size, nvenc->items->len, 0);
   gst_buffer_pool_config_add_option (config, GST_BUFFER_POOL_OPTION_VIDEO_META);
 
   if (!gst_buffer_pool_set_config (pool, config))
@@ -681,8 +680,7 @@ gst_nv_base_enc_propose_allocation (GstVideoEncoder * enc, GstQuery * query)
   gst_buffer_pool_config_get_params (config, NULL, &size, NULL, NULL);
   gst_structure_free (config);
 
-  gst_query_add_allocation_pool (query, pool, size,
-      nvenc->items->len, nvenc->items->len);
+  gst_query_add_allocation_pool (query, pool, size, nvenc->items->len, 0);
   gst_query_add_allocation_meta (query, GST_VIDEO_META_API_TYPE, NULL);
 
   gst_object_unref (pool);