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| thiblahute | I am trying to create a group and am following http://www.nongnu.org/ll-plugins/lv2pftci/#Port_groups, but that seems not to work, I could not find reference of pg:membership in the doc, thus my question. | 19:41 |
|---|---|---|
| thiblahute | Is that example correct? Where can I find another example? | 19:43 |
| ssj71 | thiblahute: a port group? | 19:43 |
| thiblahute | ssj71, Yes, a port group | 19:44 |
| ssj71 | https://github.com/ssj71/infamousPlugins/blob/master/src/casynth/casynth.ttl#L91 | 19:44 |
| thiblahute | A stereo group | 19:44 |
| ssj71 | there's one but not a stereo group | 19:44 |
| ssj71 | I don't know if there are special semantics for a stereo group, but it should be the same, create a group and put it as a property of both ports | 19:45 |
| thiblahute | Looks good, and simpler | 19:45 |
| ssj71 | you find the groups defined at line 17 | 19:46 |
| thiblahute | Thanks :) | 19:48 |
| thiblahute | I am porting GStreamer plugin to Gst 1.0, and will have to port from slv2 to lilv, but am trying to get it working with the old slv2 lib, but the grouping extension API has changed | 19:50 |
| ssj71 | interesting. NP | 19:52 |
| falktx | slv2 is very very old now | 19:57 |
| falktx | I don't know of a single host that still uses that | 19:57 |
| thiblahute | Yeah, I know, but this is what we have right now | 19:58 |
| thiblahute | I will probably need to port very soon | 19:58 |
| thiblahute | But, I would have liked to get the Gst porting done first | 19:58 |
| thiblahute | falktx, Would you have a good porting patch example somewhere by any chance? :) | 19:59 |
| falktx | what does gstreamer use lv2 for? | 19:59 |
| thiblahute | falktx, We have a GstElement that wraps lv2, it was written in 2009 and was never ported to GStreamer 1.0 or lilv | 20:00 |
| falktx | yes, but what does it do?? | 20:00 |
| thiblahute | GStreamer is just a multimedia framework, so it does not use it per si, but GStreamer user could use the lv2 sources/filter/sink as any other GStreamer element | 20:00 |
| falktx | but lv2 plugins do not quality as audio outputs | 20:01 |
| thiblahute | falktx, What do you mean? | 20:01 |
| falktx | I've been bitten by gstreamer lv2 plugin before | 20:01 |
| falktx | it freezes my apps | 20:01 |
| thiblahute | OK, that sounds like a bug | 20:01 |
| falktx | when it works, it just shows a few plugins as an audio output option | 20:01 |
| falktx | I have no idea how to use that | 20:02 |
| thiblahute | Hrm, with my very simple port it shows filters | 20:02 |
| thiblahute | (only filters right now, which is what I am interested in as a first step) | 20:02 |
| falktx | ok, but how will those be used for audio apps at all? | 20:03 |
| falktx | plugins just generate or modify audio, they don't output to a soundcard | 20:04 |
| falktx | right now I have a few TAP and MDA plugins in the "output plugin" option in clementine | 20:04 |
| falktx | which I'm sure comes from gstreamer lv2 | 20:05 |
| thiblahute | yeah, that seems broken | 20:05 |
| falktx | but selecting those will do nothing, of course | 20:05 |
| thiblahute | For filters it will just be an element inside the pipeline | 20:05 |
| thiblahute | So you will have some_source ! an-lv2-filter ! autoaudiosink | 20:05 |
| falktx | anyway, found something that might help you https://github.com/ErwanLegrand/Traverso-DAW/commit/be23ba9b9dc4de0923e62f521e250199f2911639 | 20:06 |
| thiblahute | For sources, it would be some-lv2-source ! autoaudiosink | 20:06 |
| falktx | API seems mostly the same, just renamed | 20:06 |
| thiblahute | falktx, Very nice, that is exactly what I was hoping to find, thanks :) | 20:07 |
| thiblahute | ooc, was was it renamed? | 20:07 |
| thiblahute | As the author is the same afaiu | 20:07 |
| falktx | slv2 relied on external libs for rdf parsing | 20:08 |
| falktx | which was getting slow | 20:08 |
| falktx | then the author redid the rdf libs himself | 20:08 |
| thiblahute | Got it | 20:08 |
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