diff options
Diffstat (limited to 'plugins/eg05-scope.lv2/README.txt')
-rw-r--r-- | plugins/eg05-scope.lv2/README.txt | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/plugins/eg05-scope.lv2/README.txt b/plugins/eg05-scope.lv2/README.txt deleted file mode 100644 index 122794c..0000000 --- a/plugins/eg05-scope.lv2/README.txt +++ /dev/null @@ -1,32 +0,0 @@ -== Simple Oscilloscope == - -This plugin displays the waveform of an incoming audio signal using a simple -GTK+Cairo GUI. - -This plugin illustrates: - -- UI <==> Plugin communication via http://lv2plug.in/ns/ext/atom/[LV2 Atom] events -- Atom vector usage and resize-port extension -- Save/Restore UI state by communicating state to backend -- Saving simple key/value state via the http://lv2plug.in/ns/ext/state/[LV2 State] extension -- Cairo drawing and partial exposure - -This plugin intends to outline the basics for building visualization plugins -that rely on atom communication. The UI looks like an oscilloscope, but is not -a real oscilloscope implementation: - -- There is no display synchronisation, results will depend on LV2 host. -- It displays raw audio samples, which a proper scope must not do. -- The display itself just connects min/max line segments. -- No triggering or synchronization. -- No labels, no scale, no calibration, no markers, no numeric readout, etc. - -Addressing these issues is beyond the scope of this example. - -Please see http://lac.linuxaudio.org/2013/papers/36.pdf for scope design, -https://wiki.xiph.org/Videos/Digital_Show_and_Tell for background information, -and http://lists.lv2plug.in/pipermail/devel-lv2plug.in/2013-November/000545.html -for general LV2 related conceptual criticism regarding real-time visualizations. - -A proper oscilloscope based on this example can be found at -https://github.com/x42/sisco.lv2 |