2009-05-30 15:18:21 +00:00
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Gst-LV2 Quickstart
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Dependencies:
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2016-04-01 19:24:34 +00:00
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Lilv 0.6.6 <http://drobilla.net/software/lilv/>
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2009-05-30 15:18:21 +00:00
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2016-05-12 17:52:06 +00:00
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Features:
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The plugin wrapper support the following plugin features:
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http://lv2plug.in/ns/lv2core
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2016-05-16 05:05:43 +00:00
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http://lv2plug.in/ns/ext/event
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2016-05-12 17:52:06 +00:00
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http://lv2plug.in/ns/ext/port-groups
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and these host features:
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2016-05-14 19:35:15 +00:00
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http://lv2plug.in/ns/ext/log
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http://lv2plug.in/ns/ext/urid
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2016-05-12 17:52:06 +00:00
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2009-05-30 15:18:21 +00:00
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Example Pipeline:
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Requires swh-lv2 <http://plugin.org.uk/releases/>
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2016-04-01 19:24:34 +00:00
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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
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2009-05-30 15:18:21 +00:00
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(A longer wav will be a better example)
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2010-02-01 20:24:52 +00:00
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2016-05-12 17:52:06 +00:00
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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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2010-02-01 20:24:52 +00:00
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Requires calf <http://calf.sourceforge.net/>
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2016-04-01 19:24:34 +00:00
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GST_DEBUG="*:2,lv2:5"
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gst-launch-1.0 calf-sourceforge-net-plugins-Monosynth event-in="C-3" ! autoaudiosink
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gst-launch-1.0 calf-sourceforge-net-plugins-Monosynth event-in="C-3" name=ms ! autoaudiosink ms. ! fakesink
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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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2010-02-01 20:24:52 +00:00
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2016-05-12 17:52:06 +00:00
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TODO
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* support presets
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2016-05-16 05:05:43 +00:00
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for pl in $(lv2ls); do if test "$(lv2info "$pl" | grep -A1 "Presets:" | tail -n1)" != ""; then echo "$pl"; fi; done
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2016-05-12 17:52:06 +00:00
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* support more host features
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2016-05-14 19:35:15 +00:00
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GST_DEBUG="lv2:4" GST_DEBUG_FILE=/tmp/gst.log gst-inspect lv2
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grep -o "needs host feature: .*$" /tmp/gst.log | sort | uniq -c | sort -n
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2016-05-12 17:52:06 +00:00
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2016-05-16 05:05:43 +00:00
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* example sources:
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2016-05-12 17:52:06 +00:00
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http://svn.drobilla.net/lad/trunk/lilv/utils/lv2info.c
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http://svn.drobilla.net/lad/trunk/jalv/src/jalv.c
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