prepare for midi support

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@1815 90c681e8-e032-0410-971d-27865f9a5e38

7 files changed, 375 insertions, 0 deletions

diff --git a/src/plugins/Input/wildmidi/decoder_wildmidi.cpp b/src/plugins/Input/wildmidi/decoder_wildmidi.cpp
new file mode 100644
index 000000000..f29d60fef
--- /dev/null
+++ b/src/plugins/Input/wildmidi/decoder_wildmidi.cpp
@@ -0,0 +1,83 @@
+/***************************************************************************
+ *   Copyright (C) 2008-2010 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 "wildmidihelper.h"
+#include "decoder_wildmidi.h"
+
+// Decoder class
+DecoderWildMidi::DecoderWildMidi(const QString &path) : Decoder()
+{
+    m_path = path;
+    midi_ptr =  0;
+}
+
+DecoderWildMidi::~DecoderWildMidi()
+{
+    if(midi_ptr)
+        WildMidi_Close(midi_ptr);
+}
+
+bool DecoderWildMidi::initialize()
+{
+    m_totalTime = 0;
+
+    if(!WildMidiHelper::instance()->initialize())
+    {
+        qWarning("DecoderWildMidi: initialization failed");
+        return false;
+    }
+
+
+    midi_ptr = WildMidi_Open (m_path.toLocal8Bit());
+    if(!midi_ptr)
+    {
+        qWarning("DecoderWildMidi: unable to open file");
+        return false;
+    }
+    _WM_Info *wm_info = WildMidi_GetInfo(midi_ptr);
+
+    m_totalTime = (qint64)wm_info->approx_total_samples  / 48;
+
+    configure(48000, 2, Qmmp::PCM_S16LE);
+
+    qDebug("DecoderWildMidi: initialize succes");
+    return true;
+}
+
+qint64 DecoderWildMidi::totalTime()
+{
+    return m_totalTime;
+}
+
+void DecoderWildMidi::seek(qint64 pos)
+{
+    ulong sample = ulong(pos*48);
+    WildMidi_FastSeek(midi_ptr, &sample);
+}
+
+int DecoderWildMidi::bitrate()
+{
+    return 8;
+}
+
+qint64 DecoderWildMidi::read(char *data, qint64 size)
+{
+    return WildMidi_GetOutput (midi_ptr, data, size);
+}
diff --git a/src/plugins/Input/wildmidi/decoder_wildmidi.h b/src/plugins/Input/wildmidi/decoder_wildmidi.h
new file mode 100644
index 000000000..222c1ef3c
--- /dev/null
+++ b/src/plugins/Input/wildmidi/decoder_wildmidi.h
@@ -0,0 +1,48 @@
+/***************************************************************************
+ *   Copyright (C) 2008-2010 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 DECODER_WILDMIDI_H
+#define DECODER_WILDMIDI_H
+
+extern "C"{
+#include <wildmidi_lib.h>
+}
+#include <qmmp/decoder.h>
+
+class DecoderWildMidi : public Decoder
+{
+public:
+    DecoderWildMidi(const QString &path);
+    virtual ~DecoderWildMidi();
+
+    // Standard Decoder API
+    bool initialize();
+    qint64 totalTime();
+    int bitrate();
+    qint64 read(char *data, qint64 size);
+    void seek(qint64);
+
+private:
+    void *midi_ptr;
+    qint64 m_totalTime;
+    QString m_path;
+};
+
+#endif // DECODER_WILDMIDI_H
diff --git a/src/plugins/Input/wildmidi/decoderwildmidifactory.cpp b/src/plugins/Input/wildmidi/decoderwildmidifactory.cpp
new file mode 100644
index 000000000..13b3b2e06
--- /dev/null
+++ b/src/plugins/Input/wildmidi/decoderwildmidifactory.cpp
@@ -0,0 +1,100 @@
+/***************************************************************************
+ *   Copyright (C) 2008-2010 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 "wildmidihelper.h"
+#include "decoder_wildmidi.h"
+#include "decoderwildmidifactory.h"
+
+
+// DecoderWildMidiFactory
+
+bool DecoderWildMidiFactory::supports(const QString &source) const
+{
+
+    return (source.right(4).toLower() == ".mid");
+}
+
+bool DecoderWildMidiFactory::canDecode(QIODevice *) const
+{
+    return FALSE;
+}
+
+const DecoderProperties DecoderWildMidiFactory::properties() const
+{
+    DecoderProperties properties;
+    properties.name = tr("WildMidi Plugin");
+    properties.filter = "*.mid";
+    properties.description = tr("Midi Files");
+    //properties.contentType = ;
+    properties.hasAbout = FALSE;
+    properties.hasSettings = FALSE;
+    properties.noInput = TRUE;
+    properties.protocols = "file";
+    return properties;
+}
+
+Decoder *DecoderWildMidiFactory::create(const QString &path, QIODevice *input)
+{
+    Q_UNUSED(input);
+    return new DecoderWildMidi(path);
+}
+
+QList<FileInfo *> DecoderWildMidiFactory::createPlayList(const QString &fileName, bool useMetaData)
+{
+    QList <FileInfo*> list;
+    FileInfo *info = new FileInfo(fileName);
+
+    if(WildMidiHelper::instance()->initialize())
+    {
+        void *midi_ptr = WildMidi_Open (fileName.toLocal8Bit());
+        if(midi_ptr)
+        {
+            _WM_Info *wm_info = WildMidi_GetInfo(midi_ptr);
+            info->setLength((qint64)wm_info->approx_total_samples / 48000);
+            WildMidi_Close(midi_ptr);
+        }
+    }
+    list << info;
+    return list;
+}
+
+MetaDataModel* DecoderWildMidiFactory::createMetaDataModel(const QString &path, QObject *parent)
+{
+    /*DetailsDialog *d = new DetailsDialog(parent, path);
+    d -> show();*/
+    return 0;
+}
+
+void DecoderWildMidiFactory::showSettings(QWidget *)
+{}
+
+void DecoderWildMidiFactory::showAbout(QWidget *parent)
+{}
+
+QTranslator *DecoderWildMidiFactory::createTranslator(QObject *parent)
+{
+    QTranslator *translator = new QTranslator(parent);
+    QString locale = QLocale::system().name();
+    translator->load(QString(":/wildmidi_plugin_") + locale);
+    return translator;
+}
+Q_EXPORT_PLUGIN(DecoderWildMidiFactory)
diff --git a/src/plugins/Input/wildmidi/decoderwildmidifactory.h b/src/plugins/Input/wildmidi/decoderwildmidifactory.h
new file mode 100644
index 000000000..eeb11b544
--- /dev/null
+++ b/src/plugins/Input/wildmidi/decoderwildmidifactory.h
@@ -0,0 +1,51 @@
+/***************************************************************************
+ *   Copyright (C) 2008 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 DECODERWILDMIDIFACTORY_H
+#define DECODERWILDMIDIFACTORY_H
+
+#include <QObject>
+#include <QString>
+#include <QIODevice>
+#include <QWidget>
+
+#include <qmmp/decoder.h>
+#include <qmmp/output.h>
+#include <qmmp/decoderfactory.h>
+#include <qmmp/fileinfo.h>
+
+
+class DecoderWildMidiFactory : public QObject, DecoderFactory
+{
+    Q_OBJECT
+    Q_INTERFACES(DecoderFactory);
+
+public:
+    bool supports(const QString &source) const;
+    bool canDecode(QIODevice *input) const;
+    const DecoderProperties properties() const;
+    Decoder *create(const QString &path, QIODevice *input);
+    QList<FileInfo *> createPlayList(const QString &fileName, bool useMetaData);
+    MetaDataModel* createMetaDataModel(const QString &path, QObject *parent = 0);
+    void showSettings(QWidget *parent);
+    void showAbout(QWidget *parent);
+    QTranslator *createTranslator(QObject *parent);
+};
+
+#endif
diff --git a/src/plugins/Input/wildmidi/wildmidi.pro b/src/plugins/Input/wildmidi/wildmidi.pro
new file mode 100644
index 000000000..bd968223c
--- /dev/null
+++ b/src/plugins/Input/wildmidi/wildmidi.pro
@@ -0,0 +1,31 @@
+include(../../plugins.pri)
+FORMS += 
+HEADERS += decoderwildmidifactory.h \
+    decoder_wildmidi.h \
+    wildmidihelper.h
+SOURCES += decoder_wildmidi.cpp \
+    decoderwildmidifactory.cpp \
+    wildmidihelper.cpp
+TARGET = $$PLUGINS_PREFIX/Input/wildmidi
+QMAKE_CLEAN = $$PLUGINS_PREFIX/Input/libwildmidi.so
+INCLUDEPATH += ../../../
+CONFIG += release \
+    warn_on \
+    plugin
+TEMPLATE = lib
+QMAKE_LIBDIR += ../../../../lib
+LIBS += -lqmmp \
+    -L/usr/lib \
+    -I/usr/include \
+    -lWildMidi
+TRANSLATIONS = translations/wildmidi_plugin_cs.ts \
+    translations/wildmidi_plugin_de.ts \
+    translations/wildmidi_plugin_zh_CN.ts \
+    translations/wildmidi_plugin_zh_TW.ts \
+    translations/wildmidi_plugin_ru.ts \
+    translations/wildmidi_plugin_uk_UA.ts
+
+# RESOURCES = translations/translations.qrc
+isEmpty (LIB_DIR):LIB_DIR = /lib
+target.path = $$LIB_DIR/qmmp/Input
+INSTALLS += target
diff --git a/src/plugins/Input/wildmidi/wildmidihelper.cpp b/src/plugins/Input/wildmidi/wildmidihelper.cpp
new file mode 100644
index 000000000..7a9ec94b6
--- /dev/null
+++ b/src/plugins/Input/wildmidi/wildmidihelper.cpp
@@ -0,0 +1,41 @@
+#include <QApplication>
+extern "C"{
+#include <wildmidi_lib.h>
+}
+#include "wildmidihelper.h"
+
+WildMidiHelper *WildMidiHelper::m_instance = 0;
+
+WildMidiHelper::WildMidiHelper(QObject *parent) :
+    QObject(parent)
+{
+    m_inited = false;
+}
+
+WildMidiHelper::~WildMidiHelper()
+{
+    if(m_inited)
+        WildMidi_Shutdown();
+    m_instance = 0;
+}
+
+bool WildMidiHelper::initialize()
+{
+    if(m_inited)
+        return true;
+    if (WildMidi_Init ("/etc/timidity/timidity.cfg", 48000, 0) < 0)
+    {
+        qWarning("WildMidiHelper: unable to initialize WildMidi library");
+        return false;
+    }
+    m_inited = true;
+    return true;
+}
+
+
+WildMidiHelper *WildMidiHelper::instance()
+{
+    if(!m_instance)
+        m_instance = new WildMidiHelper(qApp);
+    return m_instance;
+}
diff --git a/src/plugins/Input/wildmidi/wildmidihelper.h b/src/plugins/Input/wildmidi/wildmidihelper.h
new file mode 100644
index 000000000..d428b4f09
--- /dev/null
+++ b/src/plugins/Input/wildmidi/wildmidihelper.h
@@ -0,0 +1,21 @@
+#ifndef WILDMIDIHELPER_H
+#define WILDMIDIHELPER_H
+
+#include <QObject>
+
+class WildMidiHelper : public QObject
+{
+Q_OBJECT
+public:
+    explicit WildMidiHelper(QObject *parent = 0);
+    ~WildMidiHelper();
+    bool initialize();
+    static WildMidiHelper *instance();
+
+private:
+    static WildMidiHelper *m_instance;
+    bool m_inited;
+
+};
+
+#endif // WILDMIDIHELPER_H