added mpeg plugin

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@7807 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 301 insertions, 0 deletions

diff --git a/src/plugins/Input/mpeg/decodermpegfactory.cpp b/src/plugins/Input/mpeg/decodermpegfactory.cpp
new file mode 100644
index 000000000..70aef6488
--- /dev/null
+++ b/src/plugins/Input/mpeg/decodermpegfactory.cpp
@@ -0,0 +1,301 @@
+/***************************************************************************
+ *   Copyright (C) 2008-2018 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 <QDialog>
+#include <QMessageBox>
+#include <QSettings>
+#include <QTranslator>
+#include <QFile>
+#include <QTextCodec>
+#include <mad.h>
+#include <taglib/tag.h>
+#include <taglib/fileref.h>
+#include <taglib/id3v1tag.h>
+#include <taglib/id3v2tag.h>
+#include <taglib/apetag.h>
+#include <taglib/tfile.h>
+#include <taglib/mpegfile.h>
+#include <taglib/tfilestream.h>
+#include "mpegmetadatamodel.h"
+#include "replaygainreader.h"
+#include "settingsdialog.h"
+#include "decoder_mad.h"
+#include "decoder_mpg123.h"
+#include "decodermpegfactory.h"
+
+// DecoderMPEGFactory
+
+DecoderMPEGFactory::DecoderMPEGFactory()
+{
+    //detecting rusxmms patch
+    m_using_rusxmms = false;
+    char str[] = { char(0xF2), char(0xE5), char(0xF1), char(0xF2), '\0'};
+    QTextCodec *codec = QTextCodec::codecForName ("windows-1251");
+    TagLib::String tstr(str);
+    if(codec->toUnicode(str) == QString::fromUtf8(tstr.toCString(true)))
+    {
+        qDebug("DecoderMADFactory: found taglib with rusxmms patch");
+        m_using_rusxmms = true;
+    }
+}
+
+bool DecoderMPEGFactory::canDecode(QIODevice *input) const
+{
+    char buf[8192];
+    qint64 buf_at = sizeof(buf);
+
+    if(input->peek(buf, sizeof(buf)) != sizeof(buf))
+        return false;
+
+    if (!memcmp(buf, "FLV", 3)) //skip Macromedia Flash Video
+        return false;
+
+    if (!memcmp(buf + 8, "WAVE", 4))
+            return !memcmp(buf + 20, "U" ,1);
+
+    if(!memcmp(buf, "ID3", 3))
+    {
+        TagLib::ByteVector byteVector(buf, sizeof(buf));
+        TagLib::ID3v2::Header header(byteVector);
+
+        //skip id3v2tag if possible
+        if(input->isSequential())
+        {
+            if(header.tagSize() >= sizeof(buf))
+                return false;
+
+            buf_at = sizeof(buf) - header.tagSize();
+            memmove(buf, buf + header.tagSize() + header.tagSize(), sizeof(buf) - header.tagSize());
+        }
+        else
+        {
+            input->seek(header.tagSize());
+            buf_at = input->read(buf, sizeof(buf));
+            input->seek(0); //restore inital position
+        }
+    }
+
+    if(buf_at > 0)
+    {
+        struct mad_stream stream;
+        struct mad_header header;
+        int dec_res;
+
+        mad_stream_init (&stream);
+        mad_header_init (&header);
+        mad_stream_buffer (&stream, (unsigned char *) buf, buf_at);
+        stream.error = MAD_ERROR_NONE;
+
+        while ((dec_res = mad_header_decode(&header, &stream)) == -1
+               && MAD_RECOVERABLE(stream.error))
+            ;
+        return dec_res != -1 ? true: false;
+    }
+    return false;
+}
+
+const DecoderProperties DecoderMPEGFactory::properties() const
+{
+    DecoderProperties properties;
+    properties.name = tr("MPEG Plugin");
+    properties.shortName = "mpeg";
+    properties.filters << "*.mp1" << "*.mp2" << "*.mp3" << "*.wav";
+    properties.description = tr("MPEG Files");
+    properties.contentTypes << "audio/mp3" << "audio/mpeg";
+    properties.hasAbout = true;
+    properties.hasSettings = true;
+    return properties;
+}
+
+Decoder *DecoderMPEGFactory::create(const QString &url, QIODevice *input)
+{
+    QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
+    Decoder *d = 0;
+    if(settings.value("MPEG/decoder", "mad").toString() == "mpg123")
+    {
+        qDebug("DecoderMPEGFactory: using mpg123 decoder");
+        d = new DecoderMPG123(input);
+    }
+    else
+    {
+        qDebug("DecoderMPEGFactory: using MAD decoder");
+        d = new DecoderMAD(input);
+    }
+
+    if(!url.contains("://")) //local file
+    {
+        ReplayGainReader rg(url);
+        d->setReplayGainInfo(rg.replayGainInfo());
+    }
+    return d;
+}
+
+QList<FileInfo *> DecoderMPEGFactory::createPlayList(const QString &fileName, bool useMetaData, QStringList *)
+{
+    FileInfo *info = new FileInfo(fileName);
+    TagLib::Tag *tag = 0;
+
+    TagLib::FileStream stream(QStringToFileName(fileName), true);
+    TagLib::MPEG::File fileRef(&stream, TagLib::ID3v2::FrameFactory::instance());
+
+    if (useMetaData)
+    {
+        QSettings settings(Qmmp::configFile(), QSettings::IniFormat);
+        settings.beginGroup("MPEG");
+
+        QTextCodec *codec = 0;
+
+        uint tag_array[3];
+        tag_array[0] = settings.value("tag_1", SettingsDialog::ID3v2).toInt();
+        tag_array[1] = settings.value("tag_2", SettingsDialog::APE).toInt();
+        tag_array[2] = settings.value("tag_3", SettingsDialog::ID3v1).toInt();
+
+        QByteArray name;
+        for (int i = 0; i < 3; ++i)
+        {
+            switch ((uint) tag_array[i])
+            {
+            case SettingsDialog::ID3v1:
+                codec = QTextCodec::codecForName(settings.value("ID3v1_encoding","ISO-8859-1")
+                                                 .toByteArray ());
+                tag = fileRef.ID3v1Tag();
+                break;
+            case SettingsDialog::ID3v2:
+                name = settings.value("ID3v2_encoding","UTF-8").toByteArray ();
+                if (name.contains("UTF"))
+                    codec = QTextCodec::codecForName ("UTF-8");
+                else
+                    codec = QTextCodec::codecForName(name);
+                tag = fileRef.ID3v2Tag();
+                break;
+            case SettingsDialog::APE:
+                codec = QTextCodec::codecForName ("UTF-8");
+                tag = fileRef.APETag();
+                break;
+            case SettingsDialog::Disabled:
+                break;
+            }
+            if (tag && !tag->isEmpty())
+                break;
+        }
+        settings.endGroup();
+
+        if(m_using_rusxmms)
+            codec = QTextCodec::codecForName ("UTF-8");
+
+        if (!codec)
+            codec = QTextCodec::codecForName ("UTF-8");
+
+        if (tag && codec)
+        {
+            bool utf = codec->name ().contains("UTF");
+            TagLib::String album = tag->album();
+            TagLib::String artist = tag->artist();
+            TagLib::String comment = tag->comment();
+            TagLib::String genre = tag->genre();
+            TagLib::String title = tag->title();
+
+            info->setMetaData(Qmmp::ALBUM,
+                              codec->toUnicode(album.toCString(utf)).trimmed());
+            info->setMetaData(Qmmp::ARTIST,
+                              codec->toUnicode(artist.toCString(utf)).trimmed());
+            info->setMetaData(Qmmp::COMMENT,
+                              codec->toUnicode(comment.toCString(utf)).trimmed());
+            info->setMetaData(Qmmp::GENRE,
+                              codec->toUnicode(genre.toCString(utf)).trimmed());
+            info->setMetaData(Qmmp::TITLE,
+                              codec->toUnicode(title.toCString(utf)).trimmed());
+            info->setMetaData(Qmmp::YEAR,
+                              tag->year());
+            info->setMetaData(Qmmp::TRACK,
+                              tag->track());
+
+            if(tag == fileRef.ID3v2Tag())
+            {
+                if(!fileRef.ID3v2Tag()->frameListMap()["TPE2"].isEmpty())
+                {
+                    TagLib::String albumArtist;
+                    albumArtist = fileRef.ID3v2Tag()->frameListMap()["TPE2"].front()->toString();
+                    info->setMetaData(Qmmp::ALBUMARTIST,
+                                      codec->toUnicode(albumArtist.toCString(utf)).trimmed());
+                }
+                if(!fileRef.ID3v2Tag()->frameListMap()["TCOM"].isEmpty())
+                {
+                    TagLib::String composer;
+                    composer = fileRef.ID3v2Tag()->frameListMap()["TCOM"].front()->toString();
+                    info->setMetaData(Qmmp::COMPOSER,
+                                      codec->toUnicode(composer.toCString(utf)).trimmed());
+                }
+                if(!fileRef.ID3v2Tag()->frameListMap()["TPOS"].isEmpty())
+                {
+                    TagLib::String disc = fileRef.ID3v2Tag()->frameListMap()["TPOS"].front()->toString();
+                    info->setMetaData(Qmmp::DISCNUMBER, QString(disc.toCString()).trimmed());
+                }
+            }
+            else if(tag == fileRef.APETag())
+            {
+                TagLib::APE::Item fld;
+                if(!(fld = fileRef.APETag()->itemListMap()["ALBUM ARTIST"]).isEmpty())
+                    info->setMetaData(Qmmp::ALBUMARTIST,
+                                      QString::fromUtf8(fld.toString().toCString(true)).trimmed());
+                if(!(fld = fileRef.APETag()->itemListMap()["COMPOSER"]).isEmpty())
+                    info->setMetaData(Qmmp::COMPOSER,
+                                      QString::fromUtf8(fld.toString().toCString(true)).trimmed());
+            }
+        }
+    }
+    if (fileRef.audioProperties())
+        info->setLength(fileRef.audioProperties()->length());
+    QList <FileInfo*> list;
+    list << info;
+    return list;
+}
+
+MetaDataModel* DecoderMPEGFactory::createMetaDataModel(const QString &path, QObject *parent)
+{
+   return new MPEGMetaDataModel(m_using_rusxmms, path, parent);
+}
+
+void DecoderMPEGFactory::showSettings(QWidget *parent)
+{
+    SettingsDialog *s = new SettingsDialog(m_using_rusxmms, parent);
+    s->show();
+}
+
+void DecoderMPEGFactory::showAbout(QWidget *parent)
+{
+    QMessageBox::about (parent, tr("About MPEG Audio Plugin"),
+                        tr("Qmmp MPEG Audio Plugin")+"\n"+
+                        tr("Compiled against libmad version:")+" "+
+                        QString("%1.%2.%3%4").arg(MAD_VERSION_MAJOR)
+                        .arg(MAD_VERSION_MINOR)
+                        .arg(MAD_VERSION_PATCH).arg(MAD_VERSION_EXTRA)+"\n"+
+                        tr("Written by: Ilya Kotov <forkotov02@ya.ru>")+"\n"+
+                        tr("Source code based on mq3 and madplay projects")
+                       );
+}
+
+QTranslator *DecoderMPEGFactory::createTranslator(QObject *parent)
+{
+    QTranslator *translator = new QTranslator(parent);
+    QString locale = Qmmp::systemLanguageID();
+    translator->load(QString(":/mad_plugin_") + locale);
+    return translator;
+}