BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
BT_ASSERT_PRE(stream_class->supports_packets,
"Stream class does not support packets: %![sc-]+S",
BT_ASSERT_PRE_NON_NULL(stream_class, "Stream class");
BT_ASSERT_PRE(stream_class->supports_packets,
"Stream class does not support packets: %![sc-]+S",