lbajardsilogic@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
lbajardsilogic@0: 
lbajardsilogic@0: /*
lbajardsilogic@0:     Sonic Visualiser
lbajardsilogic@0:     An audio file viewer and annotation editor.
lbajardsilogic@0:     Centre for Digital Music, Queen Mary, University of London.
lbajardsilogic@0:     This file copyright 2006 QMUL.
lbajardsilogic@0:    
lbajardsilogic@0:     This program is free software; you can redistribute it and/or
lbajardsilogic@0:     modify it under the terms of the GNU General Public License as
lbajardsilogic@0:     published by the Free Software Foundation; either version 2 of the
lbajardsilogic@0:     License, or (at your option) any later version.  See the file
lbajardsilogic@0:     COPYING included with this distribution for more information.
lbajardsilogic@0: */
lbajardsilogic@0: 
lbajardsilogic@0: #include "PluginTransform.h"
lbajardsilogic@0: 
lbajardsilogic@0: #include "vamp-sdk/PluginHostAdapter.h"
lbajardsilogic@0: 
lbajardsilogic@0: PluginTransform::PluginTransform(Model *inputModel,
lbajardsilogic@0: 				 const ExecutionContext &context) :
lbajardsilogic@0:     Transform(inputModel),
lbajardsilogic@0:     m_context(context)
lbajardsilogic@0: {
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: PluginTransform::ExecutionContext::ExecutionContext(int _c, size_t _bs) :
lbajardsilogic@0:     channel(_c),
lbajardsilogic@0:     domain(Vamp::Plugin::TimeDomain),
lbajardsilogic@0:     stepSize(_bs ? _bs : 1024),
lbajardsilogic@0:     blockSize(_bs ? _bs : 1024),
lbajardsilogic@0:     windowType(HanningWindow)
lbajardsilogic@0: {
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: PluginTransform::ExecutionContext::ExecutionContext(int _c, size_t _ss,
lbajardsilogic@0:                                                     size_t _bs, WindowType _wt) :
lbajardsilogic@0:     channel(_c),
lbajardsilogic@0:     domain(Vamp::Plugin::FrequencyDomain),
lbajardsilogic@0:     stepSize(_ss ? _ss : (_bs ? _bs / 2 : 512)),
lbajardsilogic@0:     blockSize(_bs ? _bs : 1024),
lbajardsilogic@0:     windowType(_wt)
lbajardsilogic@0: {
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: PluginTransform::ExecutionContext::ExecutionContext(int _c,
lbajardsilogic@0:                                                     const Vamp::PluginBase *_plugin) :
lbajardsilogic@0:     channel(_c),
lbajardsilogic@0:     domain(Vamp::Plugin::TimeDomain),
lbajardsilogic@0:     stepSize(0),
lbajardsilogic@0:     blockSize(0),
lbajardsilogic@0:     windowType(HanningWindow)
lbajardsilogic@0: {
lbajardsilogic@0:     makeConsistentWithPlugin(_plugin);
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: bool
lbajardsilogic@0: PluginTransform::ExecutionContext::operator==(const ExecutionContext &c)
lbajardsilogic@0: {
lbajardsilogic@0:     return (c.channel == channel &&
lbajardsilogic@0:             c.domain == domain &&
lbajardsilogic@0:             c.stepSize == stepSize &&
lbajardsilogic@0:             c.blockSize == blockSize &&
lbajardsilogic@0:             c.windowType == windowType);
lbajardsilogic@0: }
lbajardsilogic@0: 
lbajardsilogic@0: void
lbajardsilogic@0: PluginTransform::ExecutionContext::makeConsistentWithPlugin(const Vamp::PluginBase *_plugin)
lbajardsilogic@0: {
lbajardsilogic@0:     const Vamp::Plugin *vp = dynamic_cast<const Vamp::Plugin *>(_plugin);
lbajardsilogic@0:     if (!vp) {
lbajardsilogic@0:         vp = dynamic_cast<const Vamp::PluginHostAdapter *>(_plugin); //!!! why?
lbajardsilogic@0:     }
lbajardsilogic@0: 
lbajardsilogic@0:     if (!vp) {
lbajardsilogic@0:         domain = Vamp::Plugin::TimeDomain;
lbajardsilogic@0:         if (!stepSize) {
lbajardsilogic@0:             if (!blockSize) blockSize = 1024;
lbajardsilogic@0:             stepSize = blockSize;
lbajardsilogic@0:         } else {
lbajardsilogic@0:             if (!blockSize) blockSize = stepSize;
lbajardsilogic@0:         }
lbajardsilogic@0:     } else {
lbajardsilogic@0:         domain = vp->getInputDomain();
lbajardsilogic@0:         if (!stepSize) stepSize = vp->getPreferredStepSize();
lbajardsilogic@0:         if (!blockSize) blockSize = vp->getPreferredBlockSize();
lbajardsilogic@0:         if (!blockSize) blockSize = 1024;
lbajardsilogic@0:         if (!stepSize) {
lbajardsilogic@0:             if (domain == Vamp::Plugin::FrequencyDomain) {
lbajardsilogic@0:                 stepSize = blockSize/2;
lbajardsilogic@0:             } else {
lbajardsilogic@0:                 stepSize = blockSize;
lbajardsilogic@0:             }
lbajardsilogic@0:         }
lbajardsilogic@0:     }
lbajardsilogic@0: }
lbajardsilogic@0:     
lbajardsilogic@0: