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/*
* Copyright (C) 2022 Konsulko Group
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef MEDIAPLAYER_MPD_BACKEND_H
#define MEDIAPLAYER_MPD_BACKEND_H
#include <QObject>
#include <QtQml/QQmlContext>
#include <QThread>
#include <QTimer>
#include <QMutex>
#include <mpd/client.h>
#include "MediaplayerBackend.h"
#include "mediaplayer.h"
class MediaplayerMpdBackend : public MediaplayerBackend
{
Q_OBJECT
public:
explicit MediaplayerMpdBackend(Mediaplayer *player, QQmlContext *context, QObject * parent = Q_NULLPTR);
virtual ~MediaplayerMpdBackend();
void start();
void refresh_metadata();
void play();
void pause();
void previous();
void next();
void seek(int);
void fastforward(int);
void rewind(int);
void picktrack(int);
void volume(int);
void loop(QString);
signals:
void startHandler(void);
void metadataUpdate(QVariantMap metadata);
void positionMetadataUpdate(QVariantMap metadata);
private slots:
void connectionKeepaliveTimeout(void);
void handleHandlerFinish(void);
void songPositionTimeout(void);
void updatePlaybackState(int queue_pos, int song_pos_ms, bool state);
void updateMetadata(QVariantMap metadata);
private:
Mediaplayer *m_player;
// MPD connection for sending commands
struct mpd_connection *m_mpd_conn;
QTimer *m_mpd_conn_timer;
QMutex m_mpd_conn_mutex;
int m_queue_pos = -1;
int m_song_pos_ms = 0;
bool m_playing = false;
QTimer *m_song_pos_timer;
QMutex m_state_mutex;
QThread m_handlerThread;
// Cached metadata to simplify refresh requests (e.g. on source switch)
QVariantMap m_cached_metadata;
};
#endif // MEDIAPLAYER_MPD_BACKEND_H
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