git.sesse.net Git - kdenlive/blob - plugins/sampleplugin/sampleplugin.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2009 by Jean-Baptiste Mardelle (jb@kdenlive.org)        *
   3  *                                                                         *
   4  *   This program is free software; you can redistribute it and/or modify  *
   5  *   it under the terms of the GNU General Public License as published by  *
   6  *   the Free Software Foundation; either version 2 of the License, or     *
   7  *   (at your option) any later version.                                   *
   8  *                                                                         *
   9  *   This program is distributed in the hope that it will be useful,       *
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  12  *   GNU General Public License for more details.                          *
  13  *                                                                         *
  14  *   You should have received a copy of the GNU General Public License     *
  15  *   along with this program; if not, write to the                         *
  16  *   Free Software Foundation, Inc.,                                       *
  17  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
  18  ***************************************************************************/
  19
  20
  21 #include "sampleplugin.h"
  22 #include "ui_countdown_ui.h"
  23
  24 #include <KUrlRequester>
  25 #include <KIntSpinBox>
  26 #include <KDebug>
  27 #include <KMessageBox>
  28
  29 #include <QDialog>
  30 #include <QDomDocument>
  31 #include <QInputDialog>
  32
  33 QStringList SamplePlugin::generators() const
  34 {
  35     return QStringList() << i18n("Countdown") << i18n("Noise");
  36 }
  37
  38
  39 KUrl SamplePlugin::generatedClip(const QString &generator, const KUrl &projectFolder, const QStringList &/*lumaNames*/, const QStringList &/*lumaFiles*/, const double fps, const int /*width*/, const int /*height*/)
  40 {
  41     QString prePath;
  42     if (generator == i18n("Noise")) {
  43         prePath = projectFolder.path() + "/noise";
  44     } else prePath = projectFolder.path() + "/counter";
  45     int ct = 0;
  46     QString counter = QString::number(ct).rightJustified(5, '0', false);
  47     while (QFile::exists(prePath + counter + ".westley")) {
  48         ct++;
  49         counter = QString::number(ct).rightJustified(5, '0', false);
  50     }
  51     QDialog d;
  52     if (generator == i18n("Noise")) d.setWindowTitle(tr("Create Noise Clip"));
  53     else d.setWindowTitle(tr("Create Countdown Clip"));
  54     Ui::CountDown_UI view;
  55     view.setupUi(&d);
  56     QString clipFile = prePath + counter + ".westley";
  57     view.path->setPath(clipFile);
  58     if (d.exec() == QDialog::Accepted) {
  59         QDomDocument doc;
  60         QDomElement westley = doc.createElement("westley");
  61         QDomElement playlist = doc.createElement("playlist");
  62         if (generator == i18n("Noise")) {
  63             QDomElement prod = doc.createElement("producer");
  64             prod.setAttribute("mlt_service", "noise");
  65             prod.setAttribute("in", "0");
  66             prod.setAttribute("out", QString::number((int) fps * view.duration->value()));
  67             playlist.appendChild(prod);
  68         } else {
  69             for (int i = 0; i < view.duration->value(); i++) {
  70                 // Create the producers
  71                 QDomElement prod = doc.createElement("producer");
  72                 prod.setAttribute("mlt_service", "pango");
  73                 prod.setAttribute("in", "0");
  74                 prod.setAttribute("out", QString::number((int) fps));
  75                 prod.setAttribute("markup", QString::number(view.duration->value() - i));
  76                 playlist.appendChild(prod);
  77             }
  78         }
  79         westley.appendChild(playlist);
  80         doc.appendChild(westley);
  81         QFile file(view.path->url().path());
  82         if (!file.open(QIODevice::WriteOnly | QIODevice::Text)) {
  83             kWarning() << "//////  ERROR writing to file: " << view.path->url().path();
  84             KMessageBox::error(0, i18n("Cannot write to file %1", view.path->url().path()));
  85             return KUrl();
  86         }
  87         QTextStream out(&file);
  88         out << doc.toString();
  89         if (file.error() != QFile::NoError) {
  90             KMessageBox::error(0, i18n("Cannot write to file %1", view.path->url().path()));
  91             file.close();
  92             return KUrl();
  93         }
  94         file.close();
  95         return view.path->url();
  96     }
  97     return KUrl();
  98 }
  99
 100 Q_EXPORT_PLUGIN2(kdenlive_sampleplugin, SamplePlugin)