annotate plugin/PluginXml.cpp @ 322:7623ecfd5891

* correct frame count in cache-in-memory * fix clipping avoidance code (was only working for 1/channelCount of the samples)
author Chris Cannam
date Thu, 25 Oct 2007 14:30:32 +0000
parents 70a232b1f12a
children a70dcfed59c1
rev   line source
Chris@66 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@66 2
Chris@66 3 /*
Chris@66 4 Sonic Visualiser
Chris@66 5 An audio file viewer and annotation editor.
Chris@66 6 Centre for Digital Music, Queen Mary, University of London.
Chris@66 7 This file copyright 2006 Chris Cannam.
Chris@66 8
Chris@66 9 This program is free software; you can redistribute it and/or
Chris@66 10 modify it under the terms of the GNU General Public License as
Chris@66 11 published by the Free Software Foundation; either version 2 of the
Chris@66 12 License, or (at your option) any later version. See the file
Chris@66 13 COPYING included with this distribution for more information.
Chris@66 14 */
Chris@66 15
Chris@66 16 #include "PluginXml.h"
Chris@66 17
Chris@66 18 #include <QRegExp>
Chris@66 19 #include <QXmlAttributes>
Chris@66 20
Chris@66 21 #include <QDomDocument>
Chris@66 22 #include <QDomElement>
Chris@66 23 #include <QDomNamedNodeMap>
Chris@66 24 #include <QDomAttr>
Chris@66 25
Chris@314 26 #include <QTextStream>
Chris@314 27
Chris@66 28 #include "vamp-sdk/PluginBase.h"
Chris@75 29 #include "RealTimePluginInstance.h"
Chris@66 30
Chris@66 31 #include <iostream>
Chris@66 32
Chris@66 33 PluginXml::PluginXml(Vamp::PluginBase *plugin) :
Chris@66 34 m_plugin(plugin)
Chris@66 35 {
Chris@66 36 }
Chris@66 37
Chris@66 38 PluginXml::~PluginXml() { }
Chris@66 39
Chris@66 40 QString
Chris@81 41 PluginXml::encodeConfigurationChars(QString text)
Chris@81 42 {
Chris@81 43 QString rv(text);
Chris@81 44 rv.replace(";", "[[SEMICOLON]]");
Chris@81 45 rv.replace("=", "[[EQUALS]]");
Chris@81 46 return rv;
Chris@81 47 }
Chris@81 48
Chris@81 49 QString
Chris@81 50 PluginXml::decodeConfigurationChars(QString text)
Chris@81 51 {
Chris@81 52 QString rv(text);
Chris@81 53 rv.replace("[[SEMICOLON]]", ";");
Chris@81 54 rv.replace("[[EQUALS]]", "=");
Chris@81 55 return rv;
Chris@81 56 }
Chris@81 57
Chris@314 58 void
Chris@314 59 PluginXml::toXml(QTextStream &stream,
Chris@314 60 QString indent, QString extraAttributes) const
Chris@66 61 {
Chris@314 62 stream << indent;
Chris@66 63
Chris@314 64 stream << QString("<plugin identifier=\"%1\" name=\"%2\" description=\"%3\" maker=\"%4\" version=\"%5\" copyright=\"%6\" %7 ")
Chris@239 65 .arg(encodeEntities(QString(m_plugin->getIdentifier().c_str())))
Chris@66 66 .arg(encodeEntities(QString(m_plugin->getName().c_str())))
Chris@66 67 .arg(encodeEntities(QString(m_plugin->getDescription().c_str())))
Chris@66 68 .arg(encodeEntities(QString(m_plugin->getMaker().c_str())))
Chris@66 69 .arg(m_plugin->getPluginVersion())
Chris@66 70 .arg(encodeEntities(QString(m_plugin->getCopyright().c_str())))
Chris@66 71 .arg(extraAttributes);
Chris@66 72
Chris@66 73 if (!m_plugin->getPrograms().empty()) {
Chris@314 74 stream << QString("program=\"%1\" ")
Chris@66 75 .arg(encodeEntities(m_plugin->getCurrentProgram().c_str()));
Chris@66 76 }
Chris@66 77
Chris@66 78 Vamp::PluginBase::ParameterList parameters =
Chris@66 79 m_plugin->getParameterDescriptors();
Chris@66 80
Chris@66 81 for (Vamp::PluginBase::ParameterList::const_iterator i = parameters.begin();
Chris@66 82 i != parameters.end(); ++i) {
Chris@185 83
Chris@314 84 // std::cerr << "PluginXml::toXml: parameter name \""
Chris@185 85 // << i->name.c_str() << "\" has value "
Chris@185 86 // << m_plugin->getParameter(i->name) << std::endl;
Chris@185 87
Chris@314 88 stream << QString("param-%1=\"%2\" ")
Chris@239 89 .arg(stripInvalidParameterNameCharacters(QString(i->identifier.c_str())))
Chris@239 90 .arg(m_plugin->getParameter(i->identifier));
Chris@66 91 }
Chris@66 92
Chris@75 93 RealTimePluginInstance *rtpi =
Chris@75 94 dynamic_cast<RealTimePluginInstance *>(m_plugin);
Chris@75 95 if (rtpi) {
Chris@75 96 std::map<std::string, std::string> configurePairs =
Chris@75 97 rtpi->getConfigurePairs();
Chris@75 98 QString config;
Chris@75 99 for (std::map<std::string, std::string>::iterator i = configurePairs.begin();
Chris@75 100 i != configurePairs.end(); ++i) {
Chris@75 101 QString key = i->first.c_str();
Chris@75 102 QString value = i->second.c_str();
Chris@81 103 key = encodeConfigurationChars(key);
Chris@81 104 value = encodeConfigurationChars(value);
Chris@75 105 if (config != "") config += ";";
Chris@75 106 config += QString("%1=%2").arg(key).arg(value);
Chris@75 107 }
Chris@75 108 if (config != "") {
Chris@314 109 stream << QString("configuration=\"%1\" ")
Chris@75 110 .arg(encodeEntities(config));
Chris@75 111 }
Chris@75 112 }
Chris@75 113
Chris@314 114 stream << "/>\n";
Chris@66 115 }
Chris@66 116
Chris@66 117 #define CHECK_ATTRIBUTE(ATTRIBUTE, ACCESSOR) \
Chris@66 118 QString ATTRIBUTE = attrs.value(#ATTRIBUTE); \
Chris@66 119 if (ATTRIBUTE != "" && ATTRIBUTE != ACCESSOR().c_str()) { \
Chris@66 120 std::cerr << "WARNING: PluginXml::setParameters: Plugin " \
Chris@66 121 << #ATTRIBUTE << " does not match (attributes have \"" \
Chris@66 122 << ATTRIBUTE.toStdString() << "\", my " \
Chris@66 123 << #ATTRIBUTE << " is \"" << ACCESSOR() << "\")" << std::endl; \
Chris@66 124 }
Chris@66 125
Chris@66 126 void
Chris@66 127 PluginXml::setParameters(const QXmlAttributes &attrs)
Chris@66 128 {
Chris@239 129 CHECK_ATTRIBUTE(identifier, m_plugin->getIdentifier);
Chris@66 130 CHECK_ATTRIBUTE(name, m_plugin->getName);
Chris@66 131 CHECK_ATTRIBUTE(description, m_plugin->getDescription);
Chris@66 132 CHECK_ATTRIBUTE(maker, m_plugin->getMaker);
Chris@66 133 CHECK_ATTRIBUTE(copyright, m_plugin->getCopyright);
Chris@66 134
Chris@66 135 bool ok;
Chris@66 136 int version = attrs.value("version").trimmed().toInt(&ok);
Chris@66 137 if (ok && version != m_plugin->getPluginVersion()) {
Chris@66 138 std::cerr << "WARNING: PluginXml::setParameters: Plugin version does not match (attributes have " << version << ", my version is " << m_plugin->getPluginVersion() << ")" << std::endl;
Chris@66 139 }
Chris@66 140
Chris@75 141 RealTimePluginInstance *rtpi =
Chris@75 142 dynamic_cast<RealTimePluginInstance *>(m_plugin);
Chris@75 143 if (rtpi) {
Chris@75 144 QString config = attrs.value("configuration");
Chris@75 145 if (config != "") {
Chris@75 146 QStringList configList = config.split(";");
Chris@75 147 for (QStringList::iterator i = configList.begin();
Chris@75 148 i != configList.end(); ++i) {
Chris@75 149 QStringList kv = i->split("=");
Chris@75 150 if (kv.count() < 2) {
Chris@75 151 std::cerr << "WARNING: PluginXml::setParameters: Malformed configure pair string: \"" << i->toStdString() << "\"" << std::endl;
Chris@75 152 continue;
Chris@75 153 }
Chris@75 154 QString key(kv[0]), value(kv[1]);
Chris@81 155 key = decodeConfigurationChars(key);
Chris@81 156 value = decodeConfigurationChars(value);
Chris@75 157 rtpi->configure(key.toStdString(), value.toStdString());
Chris@75 158 }
Chris@75 159 }
Chris@75 160 }
Chris@75 161
Chris@66 162 if (!m_plugin->getPrograms().empty()) {
Chris@66 163 m_plugin->selectProgram(attrs.value("program").toStdString());
Chris@66 164 }
Chris@66 165
Chris@66 166 Vamp::PluginBase::ParameterList parameters =
Chris@66 167 m_plugin->getParameterDescriptors();
Chris@66 168
Chris@66 169 for (Vamp::PluginBase::ParameterList::const_iterator i =
Chris@66 170 parameters.begin(); i != parameters.end(); ++i) {
Chris@66 171
Chris@239 172 QString pname = QString("param-%1")
Chris@66 173 .arg(stripInvalidParameterNameCharacters
Chris@239 174 (QString(i->identifier.c_str())));
Chris@66 175
Chris@239 176 if (attrs.value(pname) == "") {
Chris@117 177 // std::cerr << "PluginXml::setParameters: no parameter \"" << i->name << "\" (attribute \"" << name.toStdString() << "\")" << std::endl;
Chris@66 178 continue;
Chris@66 179 }
Chris@66 180
Chris@66 181 bool ok;
Chris@239 182 float value = attrs.value(pname).trimmed().toFloat(&ok);
Chris@66 183 if (ok) {
Chris@260 184 // std::cerr << "PluginXml::setParameters: setting parameter \""
Chris@260 185 // << i->identifier << "\" to value " << value << std::endl;
Chris@239 186 m_plugin->setParameter(i->identifier, value);
Chris@66 187 } else {
Chris@239 188 std::cerr << "WARNING: PluginXml::setParameters: Invalid value \"" << attrs.value(pname).toStdString() << "\" for parameter \"" << i->identifier << "\" (attribute \"" << pname.toStdString() << "\")" << std::endl;
Chris@66 189 }
Chris@66 190 }
Chris@66 191 }
Chris@66 192
Chris@66 193 void
Chris@66 194 PluginXml::setParametersFromXml(QString xml)
Chris@66 195 {
Chris@66 196 QDomDocument doc;
Chris@66 197
Chris@66 198 QString error;
Chris@66 199 int errorLine;
Chris@66 200 int errorColumn;
Chris@66 201
Chris@185 202 // std::cerr << "PluginXml::setParametersFromXml: XML is \""
Chris@185 203 // << xml.toLocal8Bit().data() << "\"" << std::endl;
Chris@185 204
Chris@66 205 if (!doc.setContent(xml, false, &error, &errorLine, &errorColumn)) {
Chris@66 206 std::cerr << "PluginXml::setParametersFromXml: Error in parsing XML: " << error.toStdString() << " at line " << errorLine << ", column " << errorColumn << std::endl;
Chris@66 207 std::cerr << "Input follows:" << std::endl;
Chris@66 208 std::cerr << xml.toStdString() << std::endl;
Chris@66 209 std::cerr << "Input ends." << std::endl;
Chris@66 210 return;
Chris@66 211 }
Chris@66 212
Chris@66 213 QDomElement pluginElt = doc.firstChildElement("plugin");
Chris@66 214 QDomNamedNodeMap attrNodes = pluginElt.attributes();
Chris@66 215 QXmlAttributes attrs;
Chris@66 216
Chris@66 217 for (unsigned int i = 0; i < attrNodes.length(); ++i) {
Chris@66 218 QDomAttr attr = attrNodes.item(i).toAttr();
Chris@66 219 if (attr.isNull()) continue;
Chris@117 220 // std::cerr << "PluginXml::setParametersFromXml: Adding attribute \"" << attr.name().toStdString()
Chris@117 221 // << "\" with value \"" << attr.value().toStdString() << "\"" << std::endl;
Chris@66 222 attrs.append(attr.name(), "", "", attr.value());
Chris@66 223 }
Chris@66 224
Chris@66 225 setParameters(attrs);
Chris@66 226 }
Chris@163 227
Chris@66 228 QString
Chris@66 229 PluginXml::stripInvalidParameterNameCharacters(QString s) const
Chris@66 230 {
Chris@66 231 s.replace(QRegExp("[^a-zA-Z0-9_]*"), "");
Chris@66 232 return s;
Chris@66 233 }
Chris@66 234