Mercurial > hg > svcore
view plugin/transform/TransformFactory.h @ 346:a9ccd644f3bf
* Attempt to fix finding of file:/// URLs
* Fix incorrect reassignment of source model in layers that had no source model
previously, when replacing a null main model
author | Chris Cannam |
---|---|
date | Thu, 29 Nov 2007 17:10:53 +0000 |
parents | 13e5870040e6 |
children | d7c41483af8f 94fc0591ea43 |
line wrap: on
line source
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. This file copyright 2006-2007 Chris Cannam and QMUL. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. See the file COPYING included with this distribution for more information. */ #ifndef _TRANSFORM_FACTORY_H_ #define _TRANSFORM_FACTORY_H_ #include "TransformDescription.h" #include <map> #include <set> namespace Vamp { class PluginBase; } class TransformFactory : public QObject { Q_OBJECT public: virtual ~TransformFactory(); static TransformFactory *getInstance(); TransformList getAllTransforms(); std::vector<QString> getAllTransformTypes(); std::vector<QString> getTransformCategories(QString transformType); std::vector<QString> getTransformMakers(QString transformType); /** * Return true if the given transform is known. */ bool haveTransform(TransformId identifier); /** * Full name of a transform, suitable for putting on a menu. */ QString getTransformName(TransformId identifier); /** * Brief but friendly name of a transform, suitable for use * as the name of the output layer. */ QString getTransformFriendlyName(TransformId identifier); QString getTransformUnits(TransformId identifier); /** * Return true if the transform has any configurable parameters, * i.e. if getConfigurationForTransform can ever return a non-trivial * (not equivalent to empty) configuration string. */ bool isTransformConfigurable(TransformId identifier); /** * If the transform has a prescribed number or range of channel * inputs, return true and set minChannels and maxChannels to the * minimum and maximum number of channel inputs the transform can * accept. Return false if it doesn't care. */ bool getTransformChannelRange(TransformId identifier, int &minChannels, int &maxChannels); /** * Set the plugin parameters, program and configuration strings on * the given Transform object from the given plugin instance. * Note that no check is made whether the plugin is actually the * "correct" one for the transform. */ void setParametersFromPlugin(Transform &transform, Vamp::PluginBase *plugin); /** * If the given Transform object has no processing step and block * sizes set, set them to appropriate defaults for the given * plugin. */ void makeContextConsistentWithPlugin(Transform &transform, Vamp::PluginBase *plugin); /** * A single transform ID can lead to many possible Transforms, * with different parameters and execution context settings. * Return the default one for the given transform. */ Transform getDefaultTransformFor(TransformId identifier, size_t rate = 0); protected: typedef std::map<TransformId, TransformDescription> TransformDescriptionMap; TransformDescriptionMap m_transforms; void populateTransforms(); void populateFeatureExtractionPlugins(TransformDescriptionMap &); void populateRealTimePlugins(TransformDescriptionMap &); static TransformFactory *m_instance; }; #endif