git.maemo.org Git - someplayer/blob - src/tagresolver.cpp

   1 /*
   2  * SomePlayer - An alternate music player for Maemo 5
   3  * Copyright (C) 2010 Nikolay (somebody) Tischenko <niktischenko@gmail.com>
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License
   7  * as published by the Free Software Foundation; either version 2
   8  * of the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18  */
  19
  20 #include "tagresolver.h"
  21 #include <QFile>
  22 #include <QFileInfo>
  23 #include <tag.h>
  24 #include <fileref.h>
  25 #include <QDebug>
  26
  27 using namespace SomePlayer::DataObjects;
  28
  29 TagResolver::TagResolver(QObject *parent) :
  30     QObject(parent)
  31 {
  32 }
  33
  34 void TagResolver::decode(QStringList files) {
  35         emit started();
  36         foreach (QString filename, files) {
  37                 TagLib::FileRef file_ref(QFile::encodeName(filename).data(), true, TagLib::AudioProperties::Fast);
  38                 if (!file_ref.isNull()) {
  39                         TagLib::Tag *tag = file_ref.tag();
  40                         int length = 0;
  41                         if (NULL != tag) {
  42                                 TagLib::AudioProperties *properties = file_ref.audioProperties();
  43                                 if (NULL != properties) {
  44                                         length = properties->length();
  45                                 }
  46                                 TrackMetadata meta(QString::fromStdWString(tag->title().toWString()),
  47                                                    QString::fromStdWString(tag->artist().toWString()),
  48                                                    QString::fromStdWString(tag->album().toWString()),
  49                                                    length);
  50                                 meta.setYear(tag->year());
  51                                 Track track(meta, filename);
  52                                 emit decoded(track);
  53                         }
  54                 } else { // workaround
  55                         TrackMetadata meta;
  56                         meta.setLength(0);
  57                         QFileInfo fi(filename);
  58                         meta.setArtist(fi.suffix().toUpper());
  59                         meta.setTitle(fi.baseName());
  60                         meta.setYear(0);
  61                         Track track(meta, filename);
  62                         emit decoded(track);
  63                 }
  64         }
  65         emit done();
  66 }
  67
  68 void TagResolver::updateTags(Track track) {
  69         TagLib::FileRef file_ref(QFile::encodeName(track.source()).data());
  70         if (!file_ref.isNull()) {
  71                 TagLib::Tag *tag = file_ref.tag();
  72                 if (NULL != tag) {
  73                         tag->setArtist(TagLib::String(track.metadata().artist().toStdWString()));
  74                         tag->setAlbum(TagLib::String(track.metadata().album().toStdWString()));
  75                         tag->setTitle(TagLib::String(track.metadata().title().toStdWString()));
  76                 }
  77                 file_ref.save();
  78         }
  79 }
  80
  81 Track TagResolver::decodeOne(QString filename) {
  82         TagLib::FileRef file_ref(QFile::encodeName(filename).data(), true, TagLib::AudioProperties::Fast);
  83         if (!file_ref.isNull()) {
  84                 TagLib::Tag *tag = file_ref.tag();
  85                 if (NULL != tag) {
  86                         TagLib::AudioProperties *properties = file_ref.audioProperties();
  87                         if (NULL != properties) {
  88                                 TrackMetadata meta(QString::fromStdWString(tag->title().toWString()),
  89                                                    QString::fromStdWString(tag->artist().toWString()),
  90                                                    QString::fromStdWString(tag->album().toWString()),
  91                                                    properties->length());
  92                                 meta.setYear(tag->year());
  93                                 Track track(meta, filename);
  94                                 return track;
  95                         }
  96                 }
  97         } else { // workaround
  98                 TrackMetadata meta;
  99                 meta.setLength(0);
 100                 QFileInfo fi(filename);
 101                 meta.setArtist(fi.suffix().toUpper());
 102                 meta.setTitle(fi.baseName());
 103                 Track track(meta, filename);
 104                 return track;
 105         }
 106         return Track();
 107 }