Initial commit.

src/device/cddasongloader.h

@@ -0,0 +1,72 @@
+/*
+ * 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 <QMutex>
+#include <QObject>
+#include <QUrl>
+
+// These must come after Qt includes (issue 3247)
+#include <cdio/cdio.h>
+#include <gst/audio/gstaudiocdsrc.h>
+
+#include "core/song.h"
+#include "musicbrainz/musicbrainzclient.h"
+
+// 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:
+  void AudioCDTagsLoaded(const QString &artist, const QString &album, const MusicBrainzClient::ResultList &results);
+
+ private:
+  QUrl GetUrlFromTrack(int track_number) const;
+
+  QUrl url_;
+  GstElement *cdda_;
+  CdIo_t *cdio_;
+  QMutex mutex_load_;
+};
+
+#endif // CDDASONGLOADER_H
+