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                         if (NULL != tag) {
  41                                 TagLib::AudioProperties *properties = file_ref.audioProperties();
  42                                 if (NULL != properties) {
  43                                         TrackMetadata meta(QString::fromStdWString(tag->title().toWString()),
  44                                                            QString::fromStdWString(tag->artist().toWString()),
  45                                                            QString::fromStdWString(tag->album().toWString()),
  46                                                            properties->length());
  47                                         meta.setYear(tag->year());
  48                                         Track track(meta, filename);
  49                                         emit decoded(track);
  50                                 }
  51                         }
  52                 } else { // workaround
  53                         TrackMetadata meta;
  54                         meta.setLength(0);
  55                         QFileInfo fi(filename);
  56                         meta.setArtist(fi.suffix().toUpper());
  57                         meta.setTitle(fi.baseName());
  58                         Track track(meta, filename);
  59                         emit decoded(track);
  60                 }
  61         }
  62         emit done();
  63 }
  64
  65 void TagResolver::updateTags(Track track) {
  66         TagLib::FileRef file_ref(QFile::encodeName(track.source()).data());
  67         if (!file_ref.isNull()) {
  68                 TagLib::Tag *tag = file_ref.tag();
  69                 if (NULL != tag) {
  70                         tag->setArtist(TagLib::String(track.metadata().artist().toStdWString()));
  71                         tag->setAlbum(TagLib::String(track.metadata().album().toStdWString()));
  72                         tag->setTitle(TagLib::String(track.metadata().title().toStdWString()));
  73                 }
  74                 file_ref.save();
  75         }
  76 }
  77
  78 Track TagResolver::decodeOne(QString filename) {
  79         TagLib::FileRef file_ref(QFile::encodeName(filename).data(), true, TagLib::AudioProperties::Fast);
  80         if (!file_ref.isNull()) {
  81                 TagLib::Tag *tag = file_ref.tag();
  82                 if (NULL != tag) {
  83                         TagLib::AudioProperties *properties = file_ref.audioProperties();
  84                         if (NULL != properties) {
  85                                 TrackMetadata meta(QString::fromStdWString(tag->title().toWString()),
  86                                                    QString::fromStdWString(tag->artist().toWString()),
  87                                                    QString::fromStdWString(tag->album().toWString()),
  88                                                    properties->length());
  89                                 meta.setYear(tag->year());
  90                                 Track track(meta, filename);
  91                                 return track;
  92                         }
  93                 }
  94         } else { // workaround
  95                 TrackMetadata meta;
  96                 meta.setLength(0);
  97                 QFileInfo fi(filename);
  98                 meta.setArtist(fi.suffix().toUpper());
  99                 meta.setTitle(fi.baseName());
 100                 Track track(meta, filename);
 101                 return track;
 102         }
 103         return Track();
 104 }