| Gst-LV2 Quickstart |
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| Dependencies: |
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| Lilv 0.6.6 <http://drobilla.net/software/lilv/> |
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| Features: |
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| The plugin wrapper support the following plugin features: |
| http://lv2plug.in/ns/lv2core |
| http://lv2plug.in/ns/ext/event |
| http://lv2plug.in/ns/ext/port-groups |
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| and these host features: |
| http://lv2plug.in/ns/ext/log |
| http://lv2plug.in/ns/ext/urid |
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| Example Pipeline: |
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| Requires swh-lv2 <http://plugin.org.uk/releases/> |
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| gst-launch-1.0 -v filesrc location=/usr/share/sounds/login.wav ! wavparse ! audioconvert ! plugin-org-uk-swh-plugins-djFlanger ! audioconvert ! autoaudiosink |
| (A longer wav will be a better example) |
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| gst-launch-1.0 plugin-org-uk-swh-plugins-analogueOsc num-buffers=100 wave=1 ! wavenc ! filesink location="/tmp/lv2.wav" |
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| Requires calf <http://calf.sourceforge.net/> |
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| GST_DEBUG="*:2,lv2:5" |
| gst-launch-1.0 calf-sourceforge-net-plugins-Monosynth event-in="C-3" ! autoaudiosink |
| gst-launch-1.0 calf-sourceforge-net-plugins-Monosynth event-in="C-3" name=ms ! autoaudiosink ms. ! fakesink |
| gst-launch-1.0 calf-sourceforge-net-plugins-Organ event-in="C-3" name=s ! interleave name=i ! autoaudiosink s. ! i. |
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| TODO |
| * make filters gap-aware |
| * support more host features |
| GST_DEBUG="lv2:4" GST_DEBUG_FILE=/tmp/gst.log gst-inspect lv2 |
| grep -o "needs host feature: .*$" /tmp/gst.log | sort | uniq -c | sort -n |
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| * example sources: |
| http://svn.drobilla.net/lad/trunk/lilv/utils/lv2info.c |
| http://svn.drobilla.net/lad/trunk/jalv/src/jalv.c |