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https://github.com/cookiengineer/audacity
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Update libvamp to 2.5.
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220
lib-src/libvamp/skeleton/MyPlugin.cpp
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220
lib-src/libvamp/skeleton/MyPlugin.cpp
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// This is a skeleton file for use in creating your own plugin
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// libraries. Replace MyPlugin and myPlugin throughout with the name
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// of your first plugin class, and fill in the gaps as appropriate.
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#include "MyPlugin.h"
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MyPlugin::MyPlugin(float inputSampleRate) :
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Plugin(inputSampleRate)
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// Also be sure to set your plugin parameters (presumably stored
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// in member variables) to their default values here -- the host
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// will not do that for you
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{
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}
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MyPlugin::~MyPlugin()
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{
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}
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string
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MyPlugin::getIdentifier() const
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{
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return "myplugin";
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}
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string
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MyPlugin::getName() const
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{
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return "My Plugin";
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}
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string
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MyPlugin::getDescription() const
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{
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// Return something helpful here!
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return "";
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}
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string
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MyPlugin::getMaker() const
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{
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// Your name here
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return "";
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}
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int
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MyPlugin::getPluginVersion() const
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{
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// Increment this each time you release a version that behaves
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// differently from the previous one
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return 1;
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}
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string
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MyPlugin::getCopyright() const
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{
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// This function is not ideally named. It does not necessarily
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// need to say who made the plugin -- getMaker does that -- but it
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// should indicate the terms under which it is distributed. For
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// example, "Copyright (year). All Rights Reserved", or "GPL"
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return "";
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}
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MyPlugin::InputDomain
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MyPlugin::getInputDomain() const
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{
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return TimeDomain;
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}
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size_t
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MyPlugin::getPreferredBlockSize() const
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{
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return 0; // 0 means "I can handle any block size"
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}
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size_t
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MyPlugin::getPreferredStepSize() const
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{
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return 0; // 0 means "anything sensible"; in practice this
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// means the same as the block size for TimeDomain
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// plugins, or half of it for FrequencyDomain plugins
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}
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size_t
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MyPlugin::getMinChannelCount() const
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{
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return 1;
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}
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size_t
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MyPlugin::getMaxChannelCount() const
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{
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return 1;
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}
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MyPlugin::ParameterList
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MyPlugin::getParameterDescriptors() const
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{
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ParameterList list;
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// If the plugin has no adjustable parameters, return an empty
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// list here (and there's no need to provide implementations of
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// getParameter and setParameter in that case either).
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// Note that it is your responsibility to make sure the parameters
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// start off having their default values (e.g. in the constructor
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// above). The host needs to know the default value so it can do
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// things like provide a "reset to default" function, but it will
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// not explicitly set your parameters to their defaults for you if
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// they have not changed in the mean time.
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ParameterDescriptor d;
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d.identifier = "parameter";
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d.name = "Some Parameter";
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d.description = "";
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d.unit = "";
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d.minValue = 0;
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d.maxValue = 10;
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d.defaultValue = 5;
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d.isQuantized = false;
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list.push_back(d);
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return list;
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}
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float
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MyPlugin::getParameter(string identifier) const
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{
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if (identifier == "parameter") {
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return 5; // return the ACTUAL current value of your parameter here!
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}
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return 0;
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}
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void
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MyPlugin::setParameter(string identifier, float value)
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{
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if (identifier == "parameter") {
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// set the actual value of your parameter
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}
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}
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MyPlugin::ProgramList
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MyPlugin::getPrograms() const
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{
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ProgramList list;
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// If you have no programs, return an empty list (or simply don't
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// implement this function or getCurrentProgram/selectProgram)
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return list;
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}
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string
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MyPlugin::getCurrentProgram() const
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{
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return ""; // no programs
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}
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void
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MyPlugin::selectProgram(string name)
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{
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}
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MyPlugin::OutputList
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MyPlugin::getOutputDescriptors() const
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{
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OutputList list;
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// See OutputDescriptor documentation for the possibilities here.
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// Every plugin must have at least one output.
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OutputDescriptor d;
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d.identifier = "output";
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d.name = "My Output";
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d.description = "";
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d.unit = "";
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d.hasFixedBinCount = true;
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d.binCount = 1;
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d.hasKnownExtents = false;
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d.isQuantized = false;
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d.sampleType = OutputDescriptor::OneSamplePerStep;
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d.hasDuration = false;
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list.push_back(d);
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return list;
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}
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bool
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MyPlugin::initialise(size_t channels, size_t stepSize, size_t blockSize)
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{
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if (channels < getMinChannelCount() ||
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channels > getMaxChannelCount()) return false;
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// Real initialisation work goes here!
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return true;
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}
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void
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MyPlugin::reset()
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{
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// Clear buffers, reset stored values, etc
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}
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MyPlugin::FeatureSet
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MyPlugin::process(const float *const *inputBuffers, Vamp::RealTime timestamp)
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{
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// Do actual work!
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return FeatureSet();
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}
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MyPlugin::FeatureSet
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MyPlugin::getRemainingFeatures()
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{
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return FeatureSet();
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}
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