Mercurial > hg > sonic-visualiser
view transform/PluginTransform.cpp @ 72:34dc23246f46
* Press X to toggle the property boxes
author | Chris Cannam |
---|---|
date | Tue, 14 Nov 2006 16:06:00 +0000 |
parents | b5f55ea61bb8 |
children | bedc7517b6e8 |
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 Chris Cannam. 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. */ #include "PluginTransform.h" #include "vamp-sdk/PluginHostAdapter.h" PluginTransform::PluginTransform(Model *inputModel, const ExecutionContext &context) : Transform(inputModel), m_context(context) { } PluginTransform::ExecutionContext::ExecutionContext(int _c, size_t _bs) : channel(_c), domain(Vamp::Plugin::TimeDomain), stepSize(_bs ? _bs : 1024), blockSize(_bs ? _bs : 1024), windowType(HanningWindow) { } PluginTransform::ExecutionContext::ExecutionContext(int _c, size_t _ss, size_t _bs, WindowType _wt) : channel(_c), domain(Vamp::Plugin::FrequencyDomain), stepSize(_ss ? _ss : (_bs ? _bs / 2 : 512)), blockSize(_bs ? _bs : 1024), windowType(_wt) { } PluginTransform::ExecutionContext::ExecutionContext(int _c, const Vamp::PluginBase *_plugin) : channel(_c), domain(Vamp::Plugin::TimeDomain), stepSize(0), blockSize(0), windowType(HanningWindow) { makeConsistentWithPlugin(_plugin); } bool PluginTransform::ExecutionContext::operator==(const ExecutionContext &c) { return (c.channel == channel && c.domain == domain && c.stepSize == stepSize && c.blockSize == blockSize && c.windowType == windowType); } void PluginTransform::ExecutionContext::makeConsistentWithPlugin(const Vamp::PluginBase *_plugin) { const Vamp::Plugin *vp = dynamic_cast<const Vamp::Plugin *>(_plugin); if (!vp) { vp = dynamic_cast<const Vamp::PluginHostAdapter *>(_plugin); //!!! why? } if (!vp) { domain = Vamp::Plugin::TimeDomain; if (!stepSize) { if (!blockSize) blockSize = 1024; stepSize = blockSize; } else { if (!blockSize) blockSize = stepSize; } } else { domain = vp->getInputDomain(); if (!stepSize) stepSize = vp->getPreferredStepSize(); if (!blockSize) blockSize = vp->getPreferredBlockSize(); if (!blockSize) blockSize = 1024; if (!stepSize) { if (domain == Vamp::Plugin::FrequencyDomain) { stepSize = blockSize/2; } else { stepSize = blockSize; } } } }