Mercurial > hg > piper-vamp-js
diff examples/vamp-test-plugin/vamp-test-plugin.cpp @ 65:4a5295555574
Move examples to their own subdirs, tidy up a bit
author | Chris Cannam |
---|---|
date | Fri, 11 Nov 2016 17:02:33 +0000 |
parents | examples/vamp-test-plugin.cpp@10d4f117a9a8 |
children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/examples/vamp-test-plugin/vamp-test-plugin.cpp Fri Nov 11 17:02:33 2016 +0000 @@ -0,0 +1,82 @@ +/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ +/* + Vamp Test Plugin + Copyright (c) 2013-2016 Queen Mary, University of London + + Permission is hereby granted, free of charge, to any person + obtaining a copy of this software and associated documentation + files (the "Software"), to deal in the Software without + restriction, including without limitation the rights to use, copy, + modify, merge, publish, distribute, sublicense, and/or sell copies + of the Software, and to permit persons to whom the Software is + furnished to do so, subject to the following conditions: + + The above copyright notice and this permission notice shall be + included in all copies or substantial portions of the Software. + + THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF + CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION + WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + + Except as contained in this notice, the names of the Centre for + Digital Music and Queen Mary, University of London shall not be + used in advertising or otherwise to promote the sale, use or other + dealings in this Software without prior written authorization. +*/ + +#include "PiperExport.h" + +#include "VampTestPlugin.h" + +using piper_vamp_js::PiperAdapter; +using piper_vamp_js::PiperAdapterBase; +using piper_vamp_js::PiperPluginLibrary; + +static std::string soname("vamp-test-plugin"); + +/* + This is an example of a library that exports more than one "plugin" + from a single C++ class. The VampTestPlugin class is constructed + with an argument that determines whether it is a time- or + frequency-domain plugin, and the library offers both. + + Where normally a library that offered two plugins would have two + static PiperAdapters specialised with the two plugin classes, here + we want two static PiperAdapters specialised with the same class + but different constructor arguments. This is one way to do that, + taking advantage of the fact that PiperAdapterBase exposes + createPlugin as a virtual method. + + Note that a very similar mechanism is used in the standard Vamp + version of this plugin library. +*/ + +class Adapter : public PiperAdapterBase<VampTestPlugin> +{ +public: + Adapter(bool freq) : + PiperAdapterBase<VampTestPlugin>(soname), + m_freq(freq) { } + +protected: + bool m_freq; + + Vamp::Plugin *createPlugin(float inputSampleRate) const { + return new VampTestPlugin(inputSampleRate, m_freq); + } +}; + +static Adapter timeAdapter(false); +static Adapter freqAdapter(true); + +static PiperPluginLibrary library({ + &timeAdapter, + &freqAdapter +}); + +PIPER_EXPORT_LIBRARY(library); +