Chris@320: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@320: 
Chris@320: /*
Chris@320:     Sonic Visualiser
Chris@320:     An audio file viewer and annotation editor.
Chris@320:     Centre for Digital Music, Queen Mary, University of London.
Chris@320:     This file copyright 2006 QMUL.
Chris@320:    
Chris@320:     This program is free software; you can redistribute it and/or
Chris@320:     modify it under the terms of the GNU General Public License as
Chris@320:     published by the Free Software Foundation; either version 2 of the
Chris@320:     License, or (at your option) any later version.  See the file
Chris@320:     COPYING included with this distribution for more information.
Chris@320: */
Chris@320: 
Chris@320: #include "PluginTransform.h"
Chris@320: 
Chris@320: #include "vamp-sdk/PluginHostAdapter.h"
Chris@320: #include "vamp-sdk/hostext/PluginWrapper.h"
Chris@320: 
Chris@320: PluginTransform::PluginTransform(Model *inputModel,
Chris@320: 				 const ExecutionContext &context) :
Chris@320:     Transform(inputModel),
Chris@320:     m_context(context)
Chris@320: {
Chris@320: }
Chris@320: 
Chris@320: PluginTransform::ExecutionContext::ExecutionContext(int _c, size_t _bs) :
Chris@320:     channel(_c),
Chris@320:     domain(Vamp::Plugin::TimeDomain),
Chris@320:     stepSize(_bs ? _bs : 1024),
Chris@320:     blockSize(_bs ? _bs : 1024),
Chris@320:     windowType(HanningWindow),
Chris@320:     startFrame(0),
Chris@320:     duration(0),
Chris@320:     sampleRate(0)
Chris@320: {
Chris@320: }
Chris@320: 
Chris@320: PluginTransform::ExecutionContext::ExecutionContext(int _c, size_t _ss,
Chris@320:                                                     size_t _bs, WindowType _wt) :
Chris@320:     channel(_c),
Chris@320:     domain(Vamp::Plugin::FrequencyDomain),
Chris@320:     stepSize(_ss ? _ss : (_bs ? _bs / 2 : 512)),
Chris@320:     blockSize(_bs ? _bs : 1024),
Chris@320:     windowType(_wt),
Chris@320:     startFrame(0),
Chris@320:     duration(0),
Chris@320:     sampleRate(0)
Chris@320: {
Chris@320: }
Chris@320: 
Chris@320: PluginTransform::ExecutionContext::ExecutionContext(int _c,
Chris@320:                                                     const Vamp::PluginBase *_plugin) :
Chris@320:     channel(_c),
Chris@320:     domain(Vamp::Plugin::TimeDomain),
Chris@320:     stepSize(0),
Chris@320:     blockSize(0),
Chris@320:     windowType(HanningWindow),
Chris@320:     startFrame(0),
Chris@320:     duration(0),
Chris@320:     sampleRate(0)
Chris@320: {
Chris@320:     makeConsistentWithPlugin(_plugin);
Chris@320: }
Chris@320: 
Chris@320: bool
Chris@320: PluginTransform::ExecutionContext::operator==(const ExecutionContext &c)
Chris@320: {
Chris@320:     return (c.channel == channel &&
Chris@320:             c.domain == domain &&
Chris@320:             c.stepSize == stepSize &&
Chris@320:             c.blockSize == blockSize &&
Chris@320:             c.windowType == windowType &&
Chris@320:             c.startFrame == startFrame &&
Chris@320:             c.duration == duration &&
Chris@320:             c.sampleRate == sampleRate);
Chris@320: }
Chris@320: 
Chris@320: void
Chris@320: PluginTransform::ExecutionContext::makeConsistentWithPlugin(const Vamp::PluginBase *_plugin)
Chris@320: {
Chris@320:     const Vamp::Plugin *vp = dynamic_cast<const Vamp::Plugin *>(_plugin);
Chris@320:     if (!vp) {
Chris@320: //        std::cerr << "makeConsistentWithPlugin: not a Vamp::Plugin" << std::endl;
Chris@320:         vp = dynamic_cast<const Vamp::PluginHostAdapter *>(_plugin); //!!! why?
Chris@320: }
Chris@320:     if (!vp) {
Chris@320: //        std::cerr << "makeConsistentWithPlugin: not a Vamp::PluginHostAdapter" << std::endl;
Chris@320:         vp = dynamic_cast<const Vamp::HostExt::PluginWrapper *>(_plugin); //!!! no, I mean really why?
Chris@320:     }
Chris@320:     if (!vp) {
Chris@320: //        std::cerr << "makeConsistentWithPlugin: not a Vamp::HostExt::PluginWrapper" << std::endl;
Chris@320:     }
Chris@320: 
Chris@320:     if (!vp) {
Chris@320:         domain = Vamp::Plugin::TimeDomain;
Chris@320:         if (!stepSize) {
Chris@320:             if (!blockSize) blockSize = 1024;
Chris@320:             stepSize = blockSize;
Chris@320:         } else {
Chris@320:             if (!blockSize) blockSize = stepSize;
Chris@320:         }
Chris@320:     } else {
Chris@320:         domain = vp->getInputDomain();
Chris@320:         if (!stepSize) stepSize = vp->getPreferredStepSize();
Chris@320:         if (!blockSize) blockSize = vp->getPreferredBlockSize();
Chris@320:         if (!blockSize) blockSize = 1024;
Chris@320:         if (!stepSize) {
Chris@320:             if (domain == Vamp::Plugin::FrequencyDomain) {
Chris@320: //                std::cerr << "frequency domain, step = " << blockSize/2 << std::endl;
Chris@320:                 stepSize = blockSize/2;
Chris@320:             } else {
Chris@320: //                std::cerr << "time domain, step = " << blockSize/2 << std::endl;
Chris@320:                 stepSize = blockSize;
Chris@320:             }
Chris@320:         }
Chris@320:     }
Chris@320: }
Chris@320:     
Chris@320: