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/*
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* DISTRHO Plugin Framework (DPF)
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* Copyright (C) 2012-2015 Filipe Coelho <falktx@falktx.com>
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*
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* Permission to use, copy, modify, and/or distribute this software for any purpose with
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* or without fee is hereby granted, provided that the above copyright notice and this
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* permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD
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* TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN
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* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "DistrhoPlugin.hpp"
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START_NAMESPACE_DISTRHO
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// -----------------------------------------------------------------------------------------------------------
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/**
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Simple plugin to demonstrate parameter usage (including UI).
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The plugin will be treated as an effect, but it will not change the host audio.
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*/
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class ExamplePluginParameters : public Plugin
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{
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public:
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ExamplePluginParameters()
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: Plugin(0, 0, 0) {} // 0 parameters, 0 programs, 0 states
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protected:
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/* --------------------------------------------------------------------------------------------------------
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* Information */
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/**
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Get the plugin label.
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A plugin label follows the same rules as Parameter::symbol, with the exception that it can start with numbers.
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*/
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const char* getLabel() const override
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{
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return "CVPort";
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}
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/**
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Get an extensive comment/description about the plugin.
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*/
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const char* getDescription() const override
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{
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return "Simple plugin with CVPort.\n\
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The plugin will be treated as an effect, signal will bypassed.";
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}
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/**
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Get the plugin author/maker.
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*/
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const char* getMaker() const override
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{
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return "DISTRHO";
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}
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/**
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Get the plugin homepage.
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*/
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const char* getHomePage() const override
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{
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return "https://github.com/DISTRHO/DPF";
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}
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/**
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Get the plugin license name (a single line of text).
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For commercial plugins this should return some short copyright information.
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*/
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const char* getLicense() const override
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{
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return "ISC";
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}
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/**
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Get the plugin version, in hexadecimal.
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*/
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uint32_t getVersion() const override
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{
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return d_version(1, 0, 0);
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}
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/**
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Get the plugin unique Id.
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This value is used by LADSPA, DSSI and VST plugin formats.
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*/
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int64_t getUniqueId() const override
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{
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return d_cconst('d', 'C', 'V', 'P');
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}
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/* --------------------------------------------------------------------------------------------------------
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* Init */
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/**
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Initialize the audio port @a index.@n
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This function will be called once, shortly after the plugin is created.
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*/
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void initAudioPort(bool input, uint32_t index, AudioPort& port) override
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{
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/**
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Note that index is independent for input and output.
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In other words, input port index starts from 0 and output port index also starts from 0.
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*/
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if (input)
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{
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if (index == 0) {
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port.hints = kAudioPortIsCV;
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port.name = "CV Input";
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port.symbol = "cv_in";
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return;
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}
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// Add more condition here when increasing DISTRHO_PLUGIN_NUM_INPUTS.
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}
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else
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{
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if (index == 0) {
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port.hints = kAudioPortIsCV;
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port.name = "CV Output";
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port.symbol = "cv_out";
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return;
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}
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// Add more condition here when increasing DISTRHO_PLUGIN_NUM_OUTPUTS.
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}
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/**
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It shouldn't reach here, but just in case if index is greater than 0.
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*/
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Plugin::initAudioPort(input, index, port);
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}
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/* --------------------------------------------------------------------------------------------------------
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* Init and Internal data, unused in this plugin */
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void initParameter(uint32_t, Parameter&) override {}
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float getParameterValue(uint32_t) const override { return 0.0f;}
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void setParameterValue(uint32_t, float) override {}
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/* --------------------------------------------------------------------------------------------------------
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* Process */
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/**
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Run/process function for plugins without MIDI input.
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*/
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void run(const float** inputs, float** outputs, uint32_t frames) override
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{
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/**
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This plugin does nothing, it just demonstrates CVPort usage.
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So here we directly copy inputs over outputs, leaving the audio untouched.
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We need to be careful in case the host re-uses the same buffer for both ins and outs.
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*/
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if (outputs[0] != inputs[0])
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std::memcpy(outputs[0], inputs[0], sizeof(float)*frames);
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}
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// -------------------------------------------------------------------------------------------------------
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private:
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/**
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Set our plugin class as non-copyable and add a leak detector just in case.
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*/
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DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(ExamplePluginParameters)
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};
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/* ------------------------------------------------------------------------------------------------------------
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* Plugin entry point, called by DPF to create a new plugin instance. */
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Plugin* createPlugin()
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{
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return new ExamplePluginParameters();
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}
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// -----------------------------------------------------------------------------------------------------------
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END_NAMESPACE_DISTRHO
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cu
5 years ago