yes,these look harmless,and pipeline run fine;
But the last topic memory leak problem remains, Nvv4l2h265enc crash problem
0:03:33.169063483 30128 0x55a1686040 TRACE GST_TRACER :0:: object-alive, type-name=(string)GstCaps, address=(gpointer)0x7f9808a320, description=(string)video/x-h265, stream-format=(string)byte-stream, alignment=(string)au, ref-count=(uint)1, trace=(string);
this leak can resolved by add “gst_caps_unref(allowed_caps);” on gstv4l2videoenc.c before line 1013 [return TRUE]
1010 if (!GST_VIDEO_ENCODER_CLASS (parent_class)->negotiate (encoder))
1011 return FALSE;
1012 if(allowed_caps)
1013 gst_caps_unref(allowed_caps);
1014 return TRUE;
1015 #ifndef USE_V4L2_TARGET_NV
1016 g_ctrl_failed:
1017 GST_WARNING_OBJECT (self, “Failed to get %s profile and level: ‘%s’”,
1018 klass->codec_name, g_strerror (errno));