prepare for converter plugin implementation

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@2362 90c681e8-e032-0410-971d-27865f9a5e38

10 files changed, 744 insertions, 0 deletions

diff --git a/src/plugins/General/converter/converter.cpp b/src/plugins/General/converter/converter.cpp
new file mode 100644
index 000000000..23ce7599f
--- /dev/null
+++ b/src/plugins/General/converter/converter.cpp
@@ -0,0 +1,182 @@
+/***************************************************************************
+ *   Copyright (C) 2011 by Ilya Kotov                                      *
+ *   forkotov02@hotmail.ru                                                 *
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#include <stdio.h>
+#include <QStringList>
+#include <qmmp/inputsourcefactory.h>
+#include <qmmp/decoderfactory.h>
+#include <QtEndian>
+#include <math.h>
+#include "converter.h"
+
+Converter::Converter(QObject *parent) : QThread(parent)
+{}
+
+void Converter::add(const QStringList &urls)
+{
+    foreach(QString url, urls)
+        add(url);
+
+}
+
+void Converter::add(const QString &url)
+{
+    InputSource *source = InputSource::create(url, this);
+    if(!source->initialize())
+    {
+        delete source;
+        qWarning("Converter: Invalid url");
+        return;
+    }
+
+    if(source->ioDevice())
+    {
+        source->ioDevice()->open(QIODevice::ReadOnly);
+    }
+
+    DecoderFactory *factory = 0;
+
+    if(!source->url().contains("://"))
+        factory = Decoder::findByPath(source->url());
+    if(!factory)
+        factory = Decoder::findByMime(source->contentType());
+    if(!factory && source->ioDevice() && source->url().contains("://")) //ignore content of local files
+        factory = Decoder::findByContent(source->ioDevice());
+    if(!factory && source->url().contains("://"))
+        factory = Decoder::findByProtocol(source->url().section("://",0,0));
+    if(!factory)
+    {
+        qWarning("Converter: unsupported file format");
+        return;
+    }
+    qDebug("Converter: selected decoder: %s",qPrintable(factory->properties().shortName));
+    if(factory->properties().noInput && source->ioDevice())
+        source->ioDevice()->close();
+    Decoder *decoder = factory->create(source->url(), source->ioDevice());
+    if(!decoder->initialize())
+    {
+        qWarning("Converter: invalid file format");
+        delete decoder;
+        return;
+    }
+    m_decoders.enqueue(decoder);
+    m_inputs.insert(decoder, source);
+    if(!decoder->totalTime())
+        source->setOffset(-1);
+    source->setParent(this);
+}
+
+void Converter::run()
+{
+    while(!m_decoders.isEmpty())
+    {
+        Decoder *decoder = m_decoders.dequeue();
+        AudioParameters ap = decoder->audioParameters();
+
+        char wave_header[] = { 0x52, 0x49, 0x46, 0x46, //"RIFF"
+                              0x00, 0x00, 0x00, 0x00, //(file size) - 8
+                              0x57, 0x41, 0x56, 0x45, //WAVE
+                              0x66, 0x6d, 0x74, 0x20, //"fmt "
+                              0x10, 0x00, 0x00, 0x00, //16 + extra format bytes
+                              0x01, 0x00, 0x02, 0x00, //PCM/uncompressed, channels
+                              0x00, 0x00, 0x00, 0x00, //sample rate
+                              0x00, 0x00, 0x00, 0x00, //average bytes per second
+                              0x04, 0x00, 0x10, 0x00, //block align, significant bits per sample
+                              0x64, 0x61, 0x74, 0x61, //"data"
+                              0x00, 0x00, 0x00, 0x00 }; //chunk size*/
+
+        quint32 sample_rate = qToLittleEndian(ap.sampleRate());
+        quint16 channels = qToLittleEndian((quint16)ap.channels());
+        quint16 block_align = qToLittleEndian((quint16)ap.sampleSize() * ap.channels());
+        quint16 bps = qToLittleEndian((quint16)ap.sampleSize() * 8);
+        quint32 size = decoder->totalTime() * ap.sampleRate() * ap.channels() * ap.sampleSize() / 1000;
+        size = qToLittleEndian(size);
+
+        memcpy(&wave_header[22], &channels, 2);
+        memcpy(&wave_header[24], &sample_rate, 4);
+        memcpy(&wave_header[32], &block_align, 2);
+        memcpy(&wave_header[34], &bps, 2);
+        memcpy(&wave_header[40], &size, 4);
+
+        //FILE *enc_pipe = fopen("/mnt/win_e/out.wav", "w");
+        FILE *enc_pipe = popen("oggenc -q 1 -o \"/mnt/win_e/out 55.ogg\" -", "w");
+        if(!enc_pipe)
+        {
+            qWarning("Converter: unable to open pipe");
+            delete decoder;
+            continue;
+
+        }
+        size_t to_write = sizeof(wave_header);
+        if(to_write != fwrite(&wave_header, 1, to_write, enc_pipe))
+        {
+            delete decoder;
+            pclose(enc_pipe);
+            continue;
+        }
+
+        convert(decoder, enc_pipe);
+        pclose(enc_pipe);
+        //fclose(enc_pipe);
+        delete decoder;
+    }
+}
+
+bool Converter::convert(Decoder *decoder, FILE *file)
+{
+    const int buf_size = 8192;
+    unsigned char output_buf[buf_size];
+    qint64 output_at = 0;
+    qint64 total = 0;
+    quint64 len = 0;
+    AudioParameters ap = decoder->audioParameters();
+    qint64 size = decoder->totalTime() * ap.sampleRate() * ap.channels() * ap.sampleSize() / 1000;
+    forever
+    {
+        // decode
+        len = decoder->read((char *)(output_buf + output_at), buf_size - output_at);
+
+        if (len > 0)
+        {
+            output_at += len;
+            total += len;
+            while(output_at > 0)
+            {
+                len = fwrite(output_buf, 1, output_at, file);
+                if(len == 0)
+                {
+                    qWarning("Converter: error");
+                    return false;
+                }
+                output_at -= len;
+                memmove(output_buf, output_buf + len, output_at);
+            }
+            emit progress(floor(100*total/size));
+        }
+        else if (len <= 0)
+        {
+            qDebug("Converter: total written: %lld bytes", total);
+            qDebug("finished!");
+            return true;
+        }
+    }
+    return false;
+}
+
diff --git a/src/plugins/General/converter/converter.h b/src/plugins/General/converter/converter.h
new file mode 100644
index 000000000..06ac844de
--- /dev/null
+++ b/src/plugins/General/converter/converter.h
@@ -0,0 +1,51 @@
+/***************************************************************************
+ *   Copyright (C) 2011 by Ilya Kotov                                      *
+ *   forkotov02@hotmail.ru                                                 *
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#ifndef CONVERTER_H
+#define CONVERTER_H
+
+#include <QThread>
+#include <QQueue>
+#include <QHash>
+#include <stdio.h>
+#include <qmmp/decoder.h>
+#include <qmmp/inputsource.h>
+
+class Converter : public QThread
+{
+    Q_OBJECT
+public:
+    explicit Converter(QObject *parent = 0);
+
+    void add(const QStringList &urls);
+    void add(const QString &url);
+
+signals:
+    void progress(int percent);
+
+private:
+    void run();
+    bool convert(Decoder *decoder, FILE *file);
+    QQueue <Decoder*> m_decoders;
+    QHash <Decoder*, InputSource*> m_inputs;
+
+};
+
+#endif // CONVERTER_H
diff --git a/src/plugins/General/converter/converter.pro b/src/plugins/General/converter/converter.pro
new file mode 100644
index 000000000..24fcf00ce
--- /dev/null
+++ b/src/plugins/General/converter/converter.pro
@@ -0,0 +1,50 @@
+include(../../plugins.pri)
+
+INCLUDEPATH += ../../../../src
+CONFIG += release \
+warn_on \
+plugin
+
+TARGET =$$PLUGINS_PREFIX/General/converter
+unix:QMAKE_CLEAN = $$PLUGINS_PREFIX/General/libconverter.so
+
+
+TEMPLATE = lib
+unix:QMAKE_LIBDIR += ../../../../lib
+unix:LIBS += -lqmmpui -lqmmp
+
+win32:QMAKE_LIBDIR += ../../../../bin
+win32:LIBS += -lqmmpui0 -lqmmp0
+
+#TRANSLATIONS = translations/converter_plugin_cs.ts \
+#               translations/converter_plugin_de.ts \
+#               translations/converter_plugin_zh_CN.ts \
+#               translations/converter_plugin_zh_TW.ts \
+#               translations/converter_plugin_ru.ts \
+#               translations/converter_plugin_pl.ts \
+#               translations/converter_plugin_uk_UA.ts \
+#               translations/converter_plugin_it.ts \
+#               translations/converter_plugin_tr.ts \
+#               translations/converter_plugin_lt.ts \
+#               translations/converter_plugin_nl.ts \
+#               translations/converter_plugin_ja.ts \
+#               translations/converter_plugin_es.ts
+#RESOURCES = translations/translations.qrc
+unix{
+isEmpty(LIB_DIR){
+    LIB_DIR = /lib
+}
+target.path = $$LIB_DIR/qmmp/General
+INSTALLS += target
+}
+HEADERS += converterfactory.h \
+    converterhelper.h \
+    converterdialog.h \
+    converter.h
+win32:HEADERS += ../../../../src/qmmpui/general.h
+SOURCES += converterfactory.cpp \
+    converterhelper.cpp \
+    converterdialog.cpp \
+    converter.cpp
+
+FORMS += converterdialog.ui
diff --git a/src/plugins/General/converter/converterdialog.cpp b/src/plugins/General/converter/converterdialog.cpp
new file mode 100644
index 000000000..501d92ead
--- /dev/null
+++ b/src/plugins/General/converter/converterdialog.cpp
@@ -0,0 +1,50 @@
+/***************************************************************************
+ *   Copyright (C) 2011 by Ilya Kotov                                      *
+ *   forkotov02@hotmail.ru                                                 *
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#include <qmmpui/playlistitem.h>
+#include <qmmpui/metadataformatter.h>
+#include "converterdialog.h"
+
+ConverterDialog::ConverterDialog(QList <PlayListItem *> items,  QWidget *parent) : QDialog(parent)
+{
+    ui.setupUi(this);
+
+    MetaDataFormatter formatter("%p%if(%p&%t, - ,)%t - %l");
+
+    foreach(PlayListItem *item , items)
+    {
+        QString text = formatter.parse(item);
+        QListWidgetItem *listItem = new QListWidgetItem(text);
+        listItem->setData(Qt::UserRole, item->url());
+        listItem->setCheckState(Qt::Checked);
+        ui.itemsListWidget->addItem(listItem);
+    }
+}
+
+QStringList ConverterDialog::selectedUrls() const
+{
+    QStringList out;
+    for(int i = 0; i < ui.itemsListWidget->count(); i++)
+    {
+        if(ui.itemsListWidget->item(i)->checkState() == Qt::Checked)
+            out << ui.itemsListWidget->item(i)->data(Qt::UserRole).toString();
+    }
+    return out;
+}
diff --git a/src/plugins/General/converter/converterdialog.h b/src/plugins/General/converter/converterdialog.h
new file mode 100644
index 000000000..154357176
--- /dev/null
+++ b/src/plugins/General/converter/converterdialog.h
@@ -0,0 +1,45 @@
+/***************************************************************************
+ *   Copyright (C) 2011 by Ilya Kotov                                      *
+ *   forkotov02@hotmail.ru                                                 *
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#ifndef CONVERTERDIALOG_H
+#define CONVERTERDIALOG_H
+
+#include <QDialog>
+#include <QStringList>
+#include "ui_converterdialog.h"
+
+class PlayListItem;
+
+/**
+    @author Ilya Kotov <forkotov02@hotmail.ru>
+*/
+class ConverterDialog : public QDialog
+{
+    Q_OBJECT
+public:
+    explicit ConverterDialog(QList <PlayListItem *> items,  QWidget *parent = 0);
+    QStringList selectedUrls() const;
+
+private:
+    Ui::ConverterDialog ui;
+
+};
+
+#endif // CONVERTERDIALOG_H
diff --git a/src/plugins/General/converter/converterdialog.ui b/src/plugins/General/converter/converterdialog.ui
new file mode 100644
index 000000000..b93390499
--- /dev/null
+++ b/src/plugins/General/converter/converterdialog.ui
@@ -0,0 +1,135 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ConverterDialog</class>
+ <widget class="QDialog" name="ConverterDialog">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>433</width>
+    <height>428</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Dialog</string>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <property name="leftMargin">
+    <number>6</number>
+   </property>
+   <property name="rightMargin">
+    <number>6</number>
+   </property>
+   <property name="bottomMargin">
+    <number>6</number>
+   </property>
+   <item row="0" column="0" colspan="2">
+    <widget class="QLabel" name="label">
+     <property name="text">
+      <string>Select files to convert:</string>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="0" colspan="3">
+    <widget class="QListWidget" name="itemsListWidget">
+     <property name="alternatingRowColors">
+      <bool>true</bool>
+     </property>
+    </widget>
+   </item>
+   <item row="2" column="0">
+    <widget class="QLabel" name="label_2">
+     <property name="text">
+      <string>Output file directory:</string>
+     </property>
+    </widget>
+   </item>
+   <item row="2" column="1">
+    <widget class="QLineEdit" name="outDirEdit"/>
+   </item>
+   <item row="3" column="0">
+    <widget class="QLabel" name="label_3">
+     <property name="text">
+      <string>Output file name:</string>
+     </property>
+    </widget>
+   </item>
+   <item row="3" column="1">
+    <widget class="QLineEdit" name="outFileEdit"/>
+   </item>
+   <item row="4" column="0">
+    <widget class="QLabel" name="label_4">
+     <property name="text">
+      <string>Preseed:</string>
+     </property>
+    </widget>
+   </item>
+   <item row="4" column="1" colspan="2">
+    <widget class="QComboBox" name="comboBox"/>
+   </item>
+   <item row="5" column="0" colspan="2">
+    <widget class="QCheckBox" name="checkBox">
+     <property name="text">
+      <string>CheckBox</string>
+     </property>
+    </widget>
+   </item>
+   <item row="6" column="0" colspan="3">
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Ok</set>
+     </property>
+    </widget>
+   </item>
+   <item row="2" column="2">
+    <widget class="QToolButton" name="dirButton">
+     <property name="text">
+      <string>...</string>
+     </property>
+    </widget>
+   </item>
+   <item row="3" column="2">
+    <widget class="QToolButton" name="fileNameButton">
+     <property name="text">
+      <string>...</string>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>accepted()</signal>
+   <receiver>ConverterDialog</receiver>
+   <slot>accept()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>330</x>
+     <y>408</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>112</x>
+     <y>425</y>
+    </hint>
+   </hints>
+  </connection>
+  <connection>
+   <sender>buttonBox</sender>
+   <signal>rejected()</signal>
+   <receiver>ConverterDialog</receiver>
+   <slot>reject()</slot>
+   <hints>
+    <hint type="sourcelabel">
+     <x>393</x>
+     <y>407</y>
+    </hint>
+    <hint type="destinationlabel">
+     <x>383</x>
+     <y>425</y>
+    </hint>
+   </hints>
+  </connection>
+ </connections>
+</ui>
diff --git a/src/plugins/General/converter/converterfactory.cpp b/src/plugins/General/converter/converterfactory.cpp
new file mode 100644
index 000000000..a452d32b9
--- /dev/null
+++ b/src/plugins/General/converter/converterfactory.cpp
@@ -0,0 +1,63 @@
+/***************************************************************************
+ *   Copyright (C) 2011 by Ilya Kotov                                      *
+ *   forkotov02@hotmail.ru                                                 *
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#include <QtGui>
+#include "converterhelper.h"
+#include "converterfactory.h"
+
+const GeneralProperties ConverterFactory::properties() const
+{
+    GeneralProperties properties;
+    properties.name = tr("Converter Plugin");
+    properties.shortName = "converter";
+    properties.hasAbout = true;
+    properties.hasSettings = false;
+    properties.visibilityControl = false;
+    return properties;
+}
+
+QObject *ConverterFactory::create(QObject *parent)
+{
+    return new ConverterHelper(parent);
+}
+
+QDialog *ConverterFactory::createConfigDialog(QWidget *parent)
+{
+    Q_UNUSED(parent);
+    return 0;
+}
+
+void ConverterFactory::showAbout(QWidget *parent)
+{
+    /*QMessageBox::about (parent, tr("About Converter Plugin"),
+                        tr("Qmmp Converter Plugin")+"\n"+
+                        tr("")+"\n"+
+                        tr("Written by: Ilya Kotov <forkotov02@hotmail.ru>"));*/
+}
+
+QTranslator *ConverterFactory::createTranslator(QObject *parent)
+{
+    QTranslator *translator = new QTranslator(parent);
+    QString locale = Qmmp::systemLanguageID();
+    translator->load(QString(":/converter_plugin_") + locale);
+    return translator;
+}
+
+Q_EXPORT_PLUGIN2(converter, ConverterFactory)
diff --git a/src/plugins/General/converter/converterfactory.h b/src/plugins/General/converter/converterfactory.h
new file mode 100644
index 000000000..33949664f
--- /dev/null
+++ b/src/plugins/General/converter/converterfactory.h
@@ -0,0 +1,44 @@
+/***************************************************************************
+ *   Copyright (C) 2011 by Ilya Kotov                                      *
+ *   forkotov02@hotmail.ru                                                 *
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+#ifndef CONVERTERFACTORY_H
+#define CONVERTERFACTORY_H
+
+/**
+    @author Ilya Kotov <forkotov02@hotmail.ru>
+*/
+#include <QObject>
+#include <QTranslator>
+#include <QDialog>
+#include <qmmpui/general.h>
+#include <qmmpui/generalfactory.h>
+
+class ConverterFactory : public QObject, public GeneralFactory
+{
+Q_OBJECT
+Q_INTERFACES(GeneralFactory)
+public:
+    const GeneralProperties properties() const;
+    QObject *create(QObject *parent);
+    QDialog *createConfigDialog(QWidget *parent);
+    void showAbout(QWidget *parent);
+    QTranslator *createTranslator(QObject *parent);
+};
+
+#endif
diff --git a/src/plugins/General/converter/converterhelper.cpp b/src/plugins/General/converter/converterhelper.cpp
new file mode 100644
index 000000000..df5d61eb3
--- /dev/null
+++ b/src/plugins/General/converter/converterhelper.cpp
@@ -0,0 +1,70 @@
+/***************************************************************************
+ *   Copyright (C) 2011 by Ilya Kotov                                      *
+ *   forkotov02@hotmail.ru                                                 *
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+
+#include <QAction>
+#include <QApplication>
+#include <QProgressDialog>
+#include <qmmp/soundcore.h>
+#include <qmmpui/uihelper.h>
+#include <qmmpui/playlistmanager.h>
+#include <qmmpui/playlistitem.h>
+#include <qmmpui/mediaplayer.h>
+#include "converter.h"
+#include "converterdialog.h"
+#include "converterhelper.h"
+
+ConverterHelper::ConverterHelper(QObject *parent) : QObject(parent)
+{
+    m_action = new QAction(tr("Convert"), this);
+    m_action->setShortcut(tr("Meta+C"));
+    UiHelper::instance()->addAction(m_action, UiHelper::PLAYLIST_MENU);
+    connect (m_action, SIGNAL(triggered ()), SLOT(openConverter()));
+    m_converter = new Converter(this);
+    m_progress = new QProgressDialog(qApp->activeWindow());
+    m_progress->setRange(0,100);
+    m_progress->setWindowTitle(tr("Converting..."));
+    m_progress->setCancelButtonText(tr("Cancel"));
+    connect(m_converter,SIGNAL(progress(int)),m_progress,SLOT(setValue(int)));
+    connect(m_converter, SIGNAL(finished()), m_progress, SLOT(reset()));
+}
+
+ConverterHelper::~ConverterHelper()
+{
+    m_progress->deleteLater();
+}
+
+void ConverterHelper::openConverter()
+{
+    PlayListManager *pl_manager = MediaPlayer::instance()->playListManager();
+    QList <PlayListItem *> items = pl_manager->selectedPlayList()->selectedItems();
+    if (items.isEmpty())
+        return;
+
+    ConverterDialog *d = new ConverterDialog(items, qApp->activeWindow ());
+    if(QDialog::Accepted == d->exec())
+    {
+        QStringList urls = d->selectedUrls();
+        m_converter->add(urls);
+        if(!m_converter->isRunning())
+            m_converter->start();
+
+    }
+    d->deleteLater();
+}
diff --git a/src/plugins/General/converter/converterhelper.h b/src/plugins/General/converter/converterhelper.h
new file mode 100644
index 000000000..312326680
--- /dev/null
+++ b/src/plugins/General/converter/converterhelper.h
@@ -0,0 +1,54 @@
+/***************************************************************************
+ *   Copyright (C) 2011 by Ilya Kotov                                      *
+ *   forkotov02@hotmail.ru                                                 *
+ *                                                                         *
+ *   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.                                   *
+ *                                                                         *
+ *   This program is distributed in the hope that it will be useful,       *
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
+ *   GNU General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+#ifndef CONVERTERHELPER_H
+#define CONVERTERHELPER_H
+
+#include <QPointer>
+
+#include <qmmpui/general.h>
+#include <qmmp/qmmp.h>
+
+class QAction;
+class QProgressDialog;
+class Converter;
+
+/**
+    @author Ilya Kotov <forkotov02@hotmail.ru>
+*/
+
+class ConverterHelper : public QObject
+{
+Q_OBJECT
+public:
+    ConverterHelper(QObject *parent = 0);
+
+    ~ConverterHelper();
+
+private slots:
+    void openConverter();
+
+private:
+    QAction *m_action;
+    Converter *m_converter;
+    QProgressDialog *m_progress;
+
+};
+
+#endif