added mono to stereo converter

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@8424 90c681e8-e032-0410-971d-27865f9a5e38

6 files changed, 243 insertions, 1 deletions

diff --git a/src/plugins/Effect/Effect.pro b/src/plugins/Effect/Effect.pro
index 5a1cc69f7..d24a4323f 100644
--- a/src/plugins/Effect/Effect.pro
+++ b/src/plugins/Effect/Effect.pro
@@ -1,7 +1,7 @@
 include (../../../qmmp.pri)
 TEMPLATE = subdirs
 
-SUBDIRS += crossfade stereo
+SUBDIRS += crossfade stereo monotostereo
 
 contains(CONFIG, BS2B_PLUGIN):SUBDIRS += bs2b
 contains(CONFIG, SOXR_PLUGIN):SUBDIRS += soxr
diff --git a/src/plugins/Effect/monotostereo/effectmonotostereofactory.cpp b/src/plugins/Effect/monotostereo/effectmonotostereofactory.cpp
new file mode 100644
index 000000000..6bae99ddd
--- /dev/null
+++ b/src/plugins/Effect/monotostereo/effectmonotostereofactory.cpp
@@ -0,0 +1,56 @@
+/***************************************************************************
+ *   Copyright (C) 2018 by Ilya Kotov                                      *
+ *   forkotov02@ya.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.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
+ ***************************************************************************/
+
+#include <QMessageBox>
+#include <qmmp/qmmp.h>
+#include "effectmonotostereofactory.h"
+#include "monotostereoplugin.h"
+
+const EffectProperties EffectMonoToStereoFactory::properties() const
+{
+    EffectProperties properties;
+    properties.name = tr("Mono to Stereo Converter Plugin");
+    properties.shortName = "monotostereo";
+    properties.hasSettings = false;
+    properties.hasAbout = true;
+    return properties;
+}
+
+Effect *EffectMonoToStereoFactory::create()
+{
+    return new MonoToStereoPlugin();
+}
+
+void EffectMonoToStereoFactory::showSettings(QWidget *parent)
+{
+   Q_UNUSED(parent);
+}
+
+void EffectMonoToStereoFactory::showAbout(QWidget *parent)
+{
+    QMessageBox::about(parent, tr("About Mono to Stereo Converter Plugin"),
+                       tr("Qmmp Mono to Stereo Converter Plugin")+"\n"+
+                       tr("Written by: Ilya Kotov <forkotov02@ya.ru>"));
+}
+
+QString EffectMonoToStereoFactory::translation() const
+{
+    return QLatin1String(":/monotostereo_plugin_");
+}
diff --git a/src/plugins/Effect/monotostereo/effectmonotostereofactory.h b/src/plugins/Effect/monotostereo/effectmonotostereofactory.h
new file mode 100644
index 000000000..ee1ddc9f1
--- /dev/null
+++ b/src/plugins/Effect/monotostereo/effectmonotostereofactory.h
@@ -0,0 +1,45 @@
+/***************************************************************************
+ *   Copyright (C) 2018 by Ilya Kotov                                      *
+ *   forkotov02@ya.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.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
+ ***************************************************************************/
+#ifndef EFFECTMONOTOSTEREOFACTORY_H
+#define EFFECTMONOTOSTEREOFACTORY_H
+
+#include <QObject>
+#include <qmmp/effectfactory.h>
+#include <qmmp/effect.h>
+
+/**
+    @author Ilya Kotov <forkotov02@ya.ru>
+*/
+class EffectMonoToStereoFactory : public QObject, public EffectFactory
+{
+Q_OBJECT
+Q_PLUGIN_METADATA(IID "org.qmmp.qmmp.EffectFactoryInterface.1.0")
+Q_INTERFACES(EffectFactory)
+
+public:
+    const EffectProperties properties() const;
+    Effect *create();
+    void showSettings(QWidget *parent);
+    void showAbout(QWidget *parent);
+    QString translation() const;
+};
+
+
+#endif
diff --git a/src/plugins/Effect/monotostereo/monotostereo.pro b/src/plugins/Effect/monotostereo/monotostereo.pro
new file mode 100644
index 000000000..fb5b69f6d
--- /dev/null
+++ b/src/plugins/Effect/monotostereo/monotostereo.pro
@@ -0,0 +1,16 @@
+include(../../plugins.pri)
+
+TARGET = $$PLUGINS_PREFIX/Effect/monotostereo
+
+HEADERS += monotostereoplugin.h \
+           effectmonotostereofactory.h
+
+SOURCES += monotostereoplugin.cpp \
+           effectmonotostereofactory.cpp
+
+#RESOURCES = translations/translations.qrc
+
+unix {
+    target.path = $$PLUGIN_DIR/Effect
+    INSTALLS += target
+}
diff --git a/src/plugins/Effect/monotostereo/monotostereoplugin.cpp b/src/plugins/Effect/monotostereo/monotostereoplugin.cpp
new file mode 100644
index 000000000..b043d3f65
--- /dev/null
+++ b/src/plugins/Effect/monotostereo/monotostereoplugin.cpp
@@ -0,0 +1,79 @@
+/***************************************************************************
+ *   Copyright (C) 2018 by Ilya Kotov                                      *
+ *   forkotov02@ya.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.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
+ ***************************************************************************/
+
+#include <stdlib.h>
+#include <qmmp/qmmp.h>
+#include "monotostereoplugin.h"
+
+MonoToStereoPlugin::MonoToStereoPlugin() : Effect()
+{
+    m_tmp = 0;
+    m_size = 0;
+    m_enabled = false;
+}
+
+MonoToStereoPlugin::~MonoToStereoPlugin()
+{
+    if(m_tmp)
+    {
+        delete[] m_tmp;
+        m_tmp = 0;
+    }
+}
+
+void MonoToStereoPlugin::applyEffect(Buffer *b)
+{
+    if(m_enabled)
+    {
+        if(m_size < b->samples)
+        {
+            if(m_tmp)
+                delete [] m_tmp;
+            m_tmp = new float[b->samples];
+        }
+        memcpy(m_tmp, b->data, b->samples * sizeof(float));
+
+        b->samples *= 2;
+
+        if(b->samples > b->size)
+        {
+            delete [] b->data;
+            b->size = b->samples;
+            b->data = new float[b->size];
+        }
+
+        for(size_t i = 0; i < b->samples; ++i)
+            b->data[i] = m_tmp[i >> 1];
+    }
+}
+
+void MonoToStereoPlugin::configure(quint32 freq, ChannelMap map)
+{
+    if(map.count() == 1)
+    {
+        m_enabled = true;
+        Effect::configure(freq, ChannelMap(2));
+    }
+    else
+    {
+        m_enabled = false;
+        Effect::configure(freq, map);
+    }
+}
diff --git a/src/plugins/Effect/monotostereo/monotostereoplugin.h b/src/plugins/Effect/monotostereo/monotostereoplugin.h
new file mode 100644
index 000000000..a3a92f2d1
--- /dev/null
+++ b/src/plugins/Effect/monotostereo/monotostereoplugin.h
@@ -0,0 +1,46 @@
+/***************************************************************************
+ *   Copyright (C) 2018 by Ilya Kotov                                      *
+ *   forkotov02@ya.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.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.         *
+ ***************************************************************************/
+#ifndef MONOTOSTEREOPLUGIN_H
+#define MONOTOSTEREOPLUGIN_H
+
+#include <QMutex>
+#include <qmmp/effect.h>
+
+/**
+    @author Ilya Kotov <forkotov02@ya.ru>
+*/
+class MonoToStereoPlugin : public Effect
+{
+public:
+    MonoToStereoPlugin();
+
+    virtual ~MonoToStereoPlugin();
+
+    void applyEffect(Buffer *b);
+    void configure(quint32 freq, ChannelMap map);
+
+private:
+    bool m_enabled;
+    float *m_tmp;
+    size_t m_size; //in samples
+
+};
+
+#endif