strawberry-audio-player-win.../src/device/cddasongloader.h

80 lines
2.1 KiB
C++

/*
* Strawberry Music Player
* This file was part of Clementine.
* Copyright 2010, David Sansome <me@davidsansome.com>
*
* Strawberry 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 3 of the License, or
* (at your option) any later version.
*
* Strawberry 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 Strawberry. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef CDDASONGLOADER_H
#define CDDASONGLOADER_H
#include "config.h"
#include <stdbool.h>
#include <QObject>
#include <QMutex>
#include <QString>
#include <QUrl>
// These must come after Qt includes
#include <cdio/types.h>
#include <cdio/cdio.h>
#include <gst/gstelement.h>
#include <gst/audio/gstaudiocdsrc.h>
#include "core/song.h"
#ifdef HAVE_CHROMAPRINT
# include "musicbrainz/musicbrainzclient.h"
#endif
// This class provides a (hopefully) nice, high level interface to get CD information and load tracks
class CddaSongLoader : public QObject {
Q_OBJECT
public:
CddaSongLoader(
// Url of the CD device. Will use the default device if empty
const QUrl &url = QUrl(),
QObject *parent = nullptr);
~CddaSongLoader();
// Load songs. Signals declared below will be emitted anytime new information will be available.
void LoadSongs();
bool HasChanged();
signals:
void SongsLoaded(const SongList &songs);
void SongsDurationLoaded(const SongList &songs);
void SongsMetadataLoaded(const SongList &songs);
private slots:
#ifdef HAVE_CHROMAPRINT
void AudioCDTagsLoaded(const QString &artist, const QString &album, const MusicBrainzClient::ResultList &results);
#endif
private:
QUrl GetUrlFromTrack(int track_number) const;
QUrl url_;
GstElement *cdda_;
CdIo_t *cdio_;
QMutex mutex_load_;
};
#endif // CDDASONGLOADER_H