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

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/*
* 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/>.
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*
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*/
#ifndef CDDASONGLOADER_H
#define CDDASONGLOADER_H
#include "config.h"
#include <QObject>
#include <QMutex>
#include <QString>
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#include <QUrl>
// These must come after Qt includes
#include <cdio/types.h>
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#include <cdio/cdio.h>
#include <gst/gstelement.h>
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#include <gst/audio/gstaudiocdsrc.h>
#include "core/song.h"
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#ifdef HAVE_CHROMAPRINT
# include "musicbrainz/musicbrainzclient.h"
#endif
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// This class provides a (hopefully) nice, high level interface to get CD information and load tracks
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class CddaSongLoader : public QObject {
Q_OBJECT
public:
explicit CddaSongLoader(const QUrl &url = QUrl(), QObject *parent = nullptr);
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~CddaSongLoader();
// Load songs. Signals declared below will be emitted anytime new information will be available.
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void LoadSongs();
bool HasChanged();
private:
void Error(const QString &error);
QUrl GetUrlFromTrack(const int track_number) const;
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signals:
void SongsLoadError(const QString &error);
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void SongsLoaded(const SongList &songs);
void SongsDurationLoaded(const SongList &songs, const QString &error = QString());
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void SongsMetadataLoaded(const SongList &songs);
private slots:
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#ifdef HAVE_CHROMAPRINT
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void AudioCDTagsLoaded(const QString &artist, const QString &album, const MusicBrainzClient::ResultList &results);
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#endif
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private:
QUrl url_;
GstElement *cdda_;
CdIo_t *cdio_;
QMutex mutex_load_;
};
#endif // CDDASONGLOADER_H