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tdemultimedia/tdefile-plugins/flac/tdefile_flac.cpp

285 lines
9.4 KiB

/* This file is part of the KDE project
* Copyright (C) 2003-2004 Allan Sandfeld Jensen <kde@carewolf.com>
*
* Originally based upon the tdefile_ogg plugin:
* Copyright (C) 2001, 2002 Rolf Magnus <ramagnus@kde.org>
* Interfacing to TagLib is copied from tdefile_mp3 plugin:
* Copyright (C) 2003 Scott Wheeler <wheeler@kde.org>
*
* 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 version 2.
*
* 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "tdefile_flac.h"
#include <tqcstring.h>
#include <tqfile.h>
#include <tqdatetime.h>
#include <tqdict.h>
#include <tqvalidator.h>
#include <tqfileinfo.h>
#include <kdebug.h>
#include <kurl.h>
#include <kprocess.h>
#include <tdelocale.h>
#include <kgenericfactory.h>
#include <ksavefile.h>
#include <tag.h>
#if (TAGLIB_MAJOR_VERSION>1) || \
((TAGLIB_MAJOR_VERSION==1) && (TAGLIB_MINOR_VERSION>=2))
#define TAGLIB_1_2
#endif
#define TStringToTQString(s) TQString::fromUtf8((s).toCString(true))
#include <tstring.h>
#include <tfile.h>
#include <flacfile.h>
#ifdef TAGLIB_1_2
#include <oggflacfile.h>
#endif
#include <sys/stat.h>
#include <unistd.h>
#include <ctype.h>
K_EXPORT_COMPONENT_FACTORY(tdefile_flac, KGenericFactory<KFlacPlugin>("tdefile_flac"))
KFlacPlugin::KFlacPlugin( TQObject *parent, const char *name,
const TQStringList &args )
: KFilePlugin( parent, name, args )
{
kdDebug(7034) << "flac plugin\n";
makeMimeTypeInfo( "audio/x-flac" );
#ifdef TAGLIB_1_2
makeMimeTypeInfo( "audio/x-oggflac" );
#endif
}
void KFlacPlugin::makeMimeTypeInfo(const TQString& mimeType)
{
KFileMimeTypeInfo* info = addMimeTypeInfo( mimeType );
KFileMimeTypeInfo::GroupInfo* group = 0;
// comment group
group = addGroupInfo(info, "Comment", i18n("Comment"));
setAttributes(group, KFileMimeTypeInfo::Addable |
KFileMimeTypeInfo::Removable);
KFileMimeTypeInfo::ItemInfo* item = 0;
item = addItemInfo(group, "Artist", i18n("Artist"), TQVariant::String);
setHint(item, KFileMimeTypeInfo::Author);
setAttributes(item, KFileMimeTypeInfo::Modifiable);
item = addItemInfo(group, "Title", i18n("Title"), TQVariant::String);
setHint(item, KFileMimeTypeInfo::Name);
setAttributes(item, KFileMimeTypeInfo::Modifiable);
item = addItemInfo(group, "Album", i18n("Album"), TQVariant::String);
setAttributes(item, KFileMimeTypeInfo::Modifiable);
item = addItemInfo(group, "Genre", i18n("Genre"), TQVariant::String);
setAttributes(item, KFileMimeTypeInfo::Modifiable);
item = addItemInfo(group, "Tracknumber", i18n("Track Number"), TQVariant::String);
setAttributes(item, KFileMimeTypeInfo::Modifiable);
item = addItemInfo(group, "Date", i18n("Date"), TQVariant::String);
setAttributes(item, KFileMimeTypeInfo::Modifiable);
item = addItemInfo(group, "Description", i18n("Description"), TQVariant::String);
setAttributes(item, KFileMimeTypeInfo::Modifiable);
item = addItemInfo(group, "Organization", i18n("Organization"), TQVariant::String);
setAttributes(item, KFileMimeTypeInfo::Modifiable);
item = addItemInfo(group, "Location", i18n("Location"), TQVariant::String);
setAttributes(item, KFileMimeTypeInfo::Modifiable);
item = addItemInfo(group, "Copyright", i18n("Copyright"), TQVariant::String);
setAttributes(item, KFileMimeTypeInfo::Modifiable);
addVariableInfo(group, TQVariant::String, KFileMimeTypeInfo::Addable |
KFileMimeTypeInfo::Removable |
KFileMimeTypeInfo::Modifiable);
// technical group
group = addGroupInfo(info, "Technical", i18n("Technical Details"));
setAttributes(group, 0);
addItemInfo(group, "Channels", i18n("Channels"), TQVariant::Int);
item = addItemInfo(group, "Sample Rate", i18n("Sample Rate"), TQVariant::Int);
setSuffix(item, i18n(" Hz"));
item = addItemInfo(group, "Sample Width", i18n("Sample Width"), TQVariant::Int);
setSuffix(item, i18n(" bits"));
item = addItemInfo(group, "Bitrate", i18n("Average Bitrate"),
TQVariant::Int);
setAttributes(item, KFileMimeTypeInfo::Averaged);
setHint(item, KFileMimeTypeInfo::Bitrate);
setSuffix(item, i18n( " kbps"));
item = addItemInfo(group, "Length", i18n("Length"), TQVariant::Int);
setAttributes(item, KFileMimeTypeInfo::Cummulative);
setHint(item, KFileMimeTypeInfo::Length);
setUnit(item, KFileMimeTypeInfo::Seconds);
}
bool KFlacPlugin::readInfo( KFileMetaInfo& info, uint what )
{
if ( info.path().isEmpty() ) // remote file
return false;
bool readComment = false;
bool readTech = false;
if (what & (KFileMetaInfo::Fastest |
KFileMetaInfo::DontCare |
KFileMetaInfo::ContentInfo)) readComment = true;
if (what & (KFileMetaInfo::Fastest |
KFileMetaInfo::DontCare |
KFileMetaInfo::TechnicalInfo)) readTech = true;
TagLib::File *file = 0;
if (info.mimeType() == "audio/x-flac")
file = new TagLib::FLAC::File(TQFile::encodeName(info.path()).data(), readTech);
#ifdef TAGLIB_1_2
else
file = new TagLib::Ogg::FLAC::File(TQFile::encodeName(info.path()).data(), readTech);
#endif
if (!file || !file->isValid())
{
kdDebug(7034) << "Couldn't open " << file->name() << endl;
delete file;
return false;
}
if(readComment && file->tag())
{
KFileMetaInfoGroup commentgroup = appendGroup(info, "Comment");
TQString date = file->tag()->year() > 0 ? TQString::number(file->tag()->year()) : TQString();
TQString track = file->tag()->track() > 0 ? TQString::number(file->tag()->track()) : TQString();
appendItem(commentgroup, "Title", TStringToTQString(file->tag()->title()).stripWhiteSpace());
appendItem(commentgroup, "Artist", TStringToTQString(file->tag()->artist()).stripWhiteSpace());
appendItem(commentgroup, "Album", TStringToTQString(file->tag()->album()).stripWhiteSpace());
appendItem(commentgroup, "Date", date);
appendItem(commentgroup, "Comment", TStringToTQString(file->tag()->comment()).stripWhiteSpace());
appendItem(commentgroup, "Tracknumber", track);
appendItem(commentgroup, "Genre", TStringToTQString(file->tag()->genre()).stripWhiteSpace());
}
if (readTech && file->audioProperties())
{
KFileMetaInfoGroup techgroup = appendGroup(info, "Technical");
TagLib::FLAC::Properties *properties =
(TagLib::FLAC::Properties*)(file->audioProperties());
appendItem(techgroup, "Bitrate", properties->bitrate());
appendItem(techgroup, "Sample Rate", properties->sampleRate());
appendItem(techgroup, "Sample Width", properties->sampleWidth());
appendItem(techgroup, "Channels", properties->channels());
appendItem(techgroup, "Length", properties->length());
}
delete file;
return true;
}
/**
* Do translation between KFileMetaInfo items and TagLib::String in a tidy way.
*/
class Translator
{
public:
Translator(const KFileMetaInfo &info) : m_info(info) {}
TagLib::String operator[](const char *key) const
{
return QStringToTString(m_info["Comment"][key].value().toString());
}
int toInt(const char *key) const
{
return m_info["Comment"][key].value().toInt();
}
private:
const KFileMetaInfo &m_info;
};
bool KFlacPlugin::writeInfo(const KFileMetaInfo& info) const
{
TagLib::File *file;
if (!TagLib::File::isWritable(TQFile::encodeName(info.path()).data())) {
kdDebug(7034) << "can't write to " << info.path() << endl;
return false;
}
if (info.mimeType() == "audio/x-flac")
file = new TagLib::FLAC::File(TQFile::encodeName(info.path()).data(), false);
#ifdef TAGLIB_1_2
else
file = new TagLib::Ogg::FLAC::File(TQFile::encodeName(info.path()).data(), false);
#endif
if(!file->isOpen())
{
kdDebug(7034) << "couldn't open " << info.path() << endl;
delete file;
return false;
}
Translator t(info);
file->tag()->setTitle(t["Title"]);
file->tag()->setArtist(t["Artist"]);
file->tag()->setAlbum(t["Album"]);
file->tag()->setYear(t.toInt("Date"));
file->tag()->setComment(t["Comment"]);
file->tag()->setTrack(t.toInt("Tracknumber"));
file->tag()->setGenre(t["Genre"]);
file->save();
delete file;
return true;
}
TQValidator* KFlacPlugin::createValidator( const TQString&,
const TQString &group, const TQString &key,
TQObject* parent, const char* name) const
{
if(key == "Tracknumber" || key == "Date")
{
return new TQIntValidator(0, 9999, parent, name);
}
else
return new TQRegExpValidator(TQRegExp(".*"), parent, name);
}
#include "tdefile_flac.moc"