[LAD] ladspa: what does LADSPA_PROPERTY_REALTIME mean?

hi richard, paul, stefan and fellow LADders, the Debian folks currently are a bit at a loss of the proper interpretation of the LADSPA_PROPERTY_REALTIME property. ladspa.h says: the discussion started about a year ago (see [760758]), and it seems that there are two opposing interpretations of that property: #1 setting the property indicates to the host, that the plugin must not be used in a non-realtime environment. this means that a plugin that has this property set, must not be used for batch processing, e.g. because it uses wall-clocked input (like MIDI-devices) that simply won't deliver proper input when running at a speed that is decoupled from wall clock. OR #2 setting the property indicates to the host, that the plugin can be run at a lower (timing) priority; so the host can deliberately add latency without compromising the usefulness of the full processing chain. that would be mostly for plugins that do not do any input -> output processing, but only take input (e.g. metering, recording). that's just a quick summary. there's more arguments in the bugreport [760758]. personally i lean towards #1 (as i don't see much use cases for the second interpretation), but given that someone as deeply involved into linux audio as fons favours #2, i would like to ask the creators of LADSPA for their canonical view. thanks for your insights, gfmadsr IOhannes [760758] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=760758