Mercurial > hg > vamp-plugin-sdk
diff vamp-hostsdk/RequestResponse.h @ 429:9c25e2289faa vampipe
Rename LoadRequest.h -> RequestResponse.h
author | Chris Cannam |
---|---|
date | Wed, 18 May 2016 10:33:08 +0100 |
parents | vamp-hostsdk/LoadRequest.h@4912b698f3f7 |
children | fbdb06ce1e9a |
line wrap: on
line diff
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/vamp-hostsdk/RequestResponse.h Wed May 18 10:33:08 2016 +0100 @@ -0,0 +1,157 @@ +/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ + +/* + Vamp + + An API for audio analysis and feature extraction plugins. + + Centre for Digital Music, Queen Mary, University of London. + Copyright 2006-2016 Chris Cannam and QMUL. + + 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 AUTHORS 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; Queen Mary, University of London; and Chris Cannam + shall not be used in advertising or otherwise to promote the sale, + use or other dealings in this Software without prior written + authorization. +*/ + +#ifndef VAMP_LOAD_REQUEST_H +#define VAMP_LOAD_REQUEST_H + +#include "PluginStaticData.h" +#include "PluginConfiguration.h" + +#include "hostguard.h" + +#include <map> +#include <string> + +_VAMP_SDK_HOSTSPACE_BEGIN(RequestResponse.h) + +namespace Vamp { + +class Plugin; + +namespace HostExt { + +/** + * \class LoadRequest RequestResponse.h <vamp-hostsdk/RequestResponse.h> + * + * Vamp::HostExt::LoadRequest is a structure containing the + * information necessary to load a plugin. When a request is made to + * load a plugin using a LoadRequest, the response is typically + * returned in a LoadResponse structure. + * + * \see LoadResponse + * + * \note This class was introduced in version 2.7 of the Vamp plugin + * SDK, along with the PluginLoader method that accepts this structure + * rather than accepting its elements individually. + */ +struct LoadRequest +{ + LoadRequest() : // invalid request by default + inputSampleRate(0.f), + adapterFlags(0) { } + + /** + * PluginKey is a string type that is used to identify a plugin + * uniquely within the scope of "the current system". For further + * details \see PluginLoader::PluginKey. + */ + typedef std::string PluginKey; + + /** + * The identifying key for the plugin to be loaded. + */ + PluginKey pluginKey; + + /** + * Sample rate to be passed to the plugin's constructor. + */ + float inputSampleRate; + + /** + * A bitwise OR of the values in the PluginLoader::AdapterFlags + * enumeration, indicating under which circumstances an adapter + * should be used to wrap the original plugin. If adapterFlags is + * 0, no optional adapters will be used. + * + * \see PluginLoader::AdapterFlags, PluginLoader::loadPlugin + */ + int adapterFlags; +}; + +/** + * \class LoadResponse RequestResponse.h <vamp-hostsdk/RequestResponse.h> + * + * Vamp::HostExt::LoadResponse is a structure containing the + * information returned by PluginLoader when asked to load a plugin + * using a LoadRequest. + * + * If the plugin could not be loaded, the plugin field will be 0. + * + * The caller takes ownership of the plugin contained here, which + * should be deleted (using the standard C++ delete keyword) after + * use. + * + * \see LoadRequest + * + * \note This class was introduced in version 2.7 of the Vamp plugin + * SDK, along with the PluginLoader method that returns this structure. + */ +struct LoadResponse +{ + LoadResponse() : // invalid (failed) response by default + plugin(0) { } + + /** + * A pointer to the loaded plugin, or 0 if loading failed. Caller + * takes ownership of the plugin and must delete it after use. + */ + Plugin *plugin; + + /** + * The static data associated with the loaded plugin, that is, all + * information about it that does not depend on its configuration + * (parameters, programs, initialisation parameters). The contents + * of this structure are only valid if plugin is non-0. + * + * Much of the data in here is duplicated with the plugin itself. + */ + PluginStaticData staticData; + + /** + * The default configuration for this plugin, that is, default + * values for parameters etc. The contents of this structure are + * only valid if plugin is non-0. + */ + PluginConfiguration defaultConfiguration; +}; + +} + +} + +_VAMP_SDK_HOSTSPACE_END(RequestResponse.h) + +#endif