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308 lines
10 KiB
308 lines
10 KiB
/* This file is part of the KDE project
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* Copyright (C) 2001, 2002 Rolf Magnus <ramagnus@kde.org>
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* Copyright (C) 2002 Ryan Cumming <bodnar42@phalynx.dhs.org>
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* Copyright (C) 2003 Scott Wheeler <wheeler@kde.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation version 2.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "config.h"
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#include "tdefile_mp3.h"
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#include <kprocess.h>
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#include <tdelocale.h>
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#include <kgenericfactory.h>
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#include <kstringvalidator.h>
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#include <kdebug.h>
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#include <tqdict.h>
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#include <tqvalidator.h>
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#include <tqcstring.h>
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#include <tqfile.h>
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#include <tqdatetime.h>
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#include <tstring.h>
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#include <tag.h>
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#include <mpegfile.h>
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#include <id3v1genres.h>
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#include <id3v2framefactory.h>
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#define TStringToTQString(s) TQString::fromUtf8((s).toCString(true))
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typedef KGenericFactory<KMp3Plugin> Mp3Factory;
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K_EXPORT_COMPONENT_FACTORY(tdefile_mp3, Mp3Factory( "tdefile_mp3" ))
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KMp3Plugin::KMp3Plugin(TQObject *parent, const char *name, const TQStringList &args)
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: KFilePlugin(parent, name, args)
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{
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kdDebug(7034) << "mp3 plugin for mimetype " << name << endl;
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KFileMimeTypeInfo *info = addMimeTypeInfo(name);
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// id3 group
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KFileMimeTypeInfo::GroupInfo *group = addGroupInfo(info, "id3", i18n("ID3 Tag"));
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setAttributes(group, KFileMimeTypeInfo::Addable |
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KFileMimeTypeInfo::Removable);
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KFileMimeTypeInfo::ItemInfo *item;
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item = addItemInfo(group, "Title", i18n("Title"), TQVariant::String);
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setAttributes(item, KFileMimeTypeInfo::Modifiable);
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setHint(item, KFileMimeTypeInfo::Name);
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item = addItemInfo(group, "Artist", i18n("Artist"), TQVariant::String);
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setAttributes(item, KFileMimeTypeInfo::Modifiable);
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setHint(item, KFileMimeTypeInfo::Author);
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item = addItemInfo(group, "Album", i18n("Album"), TQVariant::String);
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setAttributes(item, KFileMimeTypeInfo::Modifiable);
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item = addItemInfo(group, "Date", i18n("Year"), TQVariant::String);
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setAttributes(item, KFileMimeTypeInfo::Modifiable);
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item = addItemInfo(group, "Comment", i18n("Comment"), TQVariant::String);
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setAttributes(item, KFileMimeTypeInfo::Modifiable);
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setHint(item, KFileMimeTypeInfo::Description);
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item = addItemInfo(group, "Tracknumber", i18n("Track"), TQVariant::Int);
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setAttributes(item, KFileMimeTypeInfo::Modifiable);
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item = addItemInfo(group, "Genre", i18n("Genre"), TQVariant::String);
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setAttributes(item, KFileMimeTypeInfo::Modifiable);
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// technical group
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group = addGroupInfo(info, "Technical", i18n("Technical Details"));
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item = addItemInfo(group, "Version", i18n("Version"), TQVariant::Int);
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setPrefix(item, i18n("MPEG "));
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item = addItemInfo(group, "Layer", i18n("Layer"), TQVariant::Int);
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item = addItemInfo(group, "CRC", i18n("CRC"), TQVariant::Bool);
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item = addItemInfo(group, "Bitrate", i18n("Bitrate"), TQVariant::Int);
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setAttributes(item, KFileMimeTypeInfo::Averaged);
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setHint(item, KFileMimeTypeInfo::Bitrate);
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setSuffix(item, i18n(" kbps"));
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item = addItemInfo(group, "Sample Rate", i18n("Sample Rate"), TQVariant::Int);
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setSuffix(item, i18n("Hz"));
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item = addItemInfo(group, "Channels", i18n("Channels"), TQVariant::Int);
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item = addItemInfo(group, "Copyright", i18n("Copyright"), TQVariant::Bool);
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item = addItemInfo(group, "Original", i18n("Original"), TQVariant::Bool);
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item = addItemInfo(group, "Length", i18n("Length"), TQVariant::Int);
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setAttributes(item, KFileMimeTypeInfo::Cummulative);
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setUnit(item, KFileMimeTypeInfo::Seconds);
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item = addItemInfo(group, "Emphasis", i18n("Emphasis"), TQVariant::String);
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}
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bool KMp3Plugin::readInfo(KFileMetaInfo &info, uint what)
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{
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kdDebug(7034) << "mp3 plugin readInfo\n";
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bool readId3 = false;
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bool readTech = false;
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typedef enum KFileMetaInfo::What What;
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if(what & (KFileMetaInfo::Fastest |
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KFileMetaInfo::DontCare |
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KFileMetaInfo::ContentInfo))
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{
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readId3 = true;
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}
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if(what & (KFileMetaInfo::Fastest |
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KFileMetaInfo::DontCare |
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KFileMetaInfo::TechnicalInfo))
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{
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readTech = true;
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}
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if(!readId3 && !readTech)
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return true;
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if ( info.path().isEmpty() ) // remote file
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return false;
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TagLib::MPEG::File file(TQFile::encodeName(info.path()).data(), readTech);
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if(!file.isOpen())
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{
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kdDebug(7034) << "Couldn't open " << file.name() << endl;
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return false;
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}
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if(readId3)
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{
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KFileMetaInfoGroup id3group = appendGroup(info, "id3");
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TQString date = file.tag()->year() > 0 ? TQString::number(file.tag()->year()) : TQString();
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TQString track = file.tag()->track() > 0 ? TQString::number(file.tag()->track()) : TQString();
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TQString title = TStringToTQString(file.tag()->title()).stripWhiteSpace();
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if (!title.isEmpty())
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appendItem(id3group, "Title", title);
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TQString artist = TStringToTQString(file.tag()->artist()).stripWhiteSpace();
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if (!artist.isEmpty())
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appendItem(id3group, "Artist", artist);
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TQString album = TStringToTQString(file.tag()->album()).stripWhiteSpace();
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if (!album.isEmpty())
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appendItem(id3group, "Album", album);
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appendItem(id3group, "Date", date);
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TQString comment = TStringToTQString(file.tag()->comment()).stripWhiteSpace();
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if (!comment.isEmpty())
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appendItem(id3group, "Comment", comment);
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appendItem(id3group, "Tracknumber", track);
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TQString genre = TStringToTQString(file.tag()->genre()).stripWhiteSpace();
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if (!genre.isEmpty())
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appendItem(id3group, "Genre", genre);
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}
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if(readTech)
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{
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KFileMetaInfoGroup techgroup = appendGroup(info, "Technical");
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TQString version;
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switch(file.audioProperties()->version())
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{
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case TagLib::MPEG::Header::Version1:
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version = "1.0";
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break;
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case TagLib::MPEG::Header::Version2:
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version = "2.0";
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break;
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case TagLib::MPEG::Header::Version2_5:
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version = "2.5";
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break;
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}
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// CRC and Emphasis aren't yet implemented in TagLib (not that I think anyone cares)
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appendItem(techgroup, "Version", version);
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appendItem(techgroup, "Layer", file.audioProperties()->layer());
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// appendItem(techgroup, "CRC", file.audioProperties()->crc());
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appendItem(techgroup, "Bitrate", file.audioProperties()->bitrate());
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appendItem(techgroup, "Sample Rate", file.audioProperties()->sampleRate());
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appendItem(techgroup, "Channels", file.audioProperties()->channels());
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appendItem(techgroup, "Copyright", TQVariant(file.audioProperties()->isCopyrighted()));
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appendItem(techgroup, "Original", TQVariant(file.audioProperties()->isOriginal()));
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appendItem(techgroup, "Length", file.audioProperties()->length());
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// appendItem(techgroup, "Emphasis", file.audioProperties()->empahsis());
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}
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kdDebug(7034) << "reading finished\n";
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return true;
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}
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/**
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* Do translation between KFileMetaInfo items and TagLib::String in a tidy way.
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*/
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class Translator
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{
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public:
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Translator(const KFileMetaInfo &info) : m_info(info) {}
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TagLib::String operator[](const char *key) const
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{
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return QStringToTString(m_info["id3"][key].value().toString());
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}
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int toInt(const char *key) const
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{
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return m_info["id3"][key].value().toInt();
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}
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private:
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const KFileMetaInfo &m_info;
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};
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bool KMp3Plugin::writeInfo(const KFileMetaInfo &info) const
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{
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TagLib::ID3v2::FrameFactory::instance()->setDefaultTextEncoding(TagLib::String::UTF8);
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TagLib::MPEG::File file(TQFile::encodeName(info.path()).data(), false);
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if(!file.isOpen() || access(info.path().local8Bit().data(), R_OK|W_OK))
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{
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kdDebug(7034) << "couldn't open " << info.path() << endl;
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return false;
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}
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Translator t(info);
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file.tag()->setTitle(t["Title"]);
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file.tag()->setArtist(t["Artist"]);
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file.tag()->setAlbum(t["Album"]);
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file.tag()->setYear(t.toInt("Date"));
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file.tag()->setComment(t["Comment"]);
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file.tag()->setTrack(t.toInt("Tracknumber"));
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file.tag()->setGenre(t["Genre"]);
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file.save();
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return true;
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}
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/**
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* A validator that will suggest a list of strings, but allow for free form
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* strings as well.
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*/
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class ComboValidator : public KStringListValidator
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{
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public:
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ComboValidator(const TQStringList &list, bool rejecting,
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bool fixupEnabled, TQObject *parent, const char *name) :
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KStringListValidator(list, rejecting, fixupEnabled, parent, name)
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{
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}
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virtual TQValidator::State validate(TQString &, int &) const
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{
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return TQValidator::Acceptable;
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}
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};
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TQValidator *KMp3Plugin::createValidator(const TQString & /* mimetype */,
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const TQString &group, const TQString &key,
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TQObject *parent, const char *name) const
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{
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kdDebug(7034) << "making a validator for " << group << "/" << key << endl;
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if(key == "Tracknumber" || key == "Date")
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{
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return new TQIntValidator(0, 9999, parent, name);
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}
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if(key == "Genre")
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{
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TQStringList l;
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TagLib::StringList genres = TagLib::ID3v1::genreList();
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for(TagLib::StringList::ConstIterator it = genres.begin(); it != genres.end(); ++it)
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{
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l.append(TStringToTQString((*it)));
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}
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return new ComboValidator(l, false, true, parent, name);
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}
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return 0;
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}
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#include "tdefile_mp3.moc"
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