Sayonara Player
EngineHandler.h
1 /* EngineHandler.h */
2 
3 /* Copyright (C) 2014 Lucio Carreras
4  *
5  * This file is part of sayonara player
6  *
7  * This program is free software: you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation, either version 3 of the License, or
10  * (at your option) any later version.
11 
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16 
17  * You should have received a copy of the GNU General Public License
18  * along with this program. If not, see <http://www.gnu.org/licenses/>.
19  */
20 
21 #ifndef ENGINEHANDLER_H_
22 #define ENGINEHANDLER_H_
23 
24 #include "AbstractEngine.h"
25 #include "Components/PlayManager/PlayManager.h"
26 
27 #include <QVector>
28 
29 #define EngineHandler_change_track_md static_cast<void (EngineHandler::*) (const MetaData& md)>(&EngineHandler::change_track)
30 
31 
33 class PlaybackEngine;
34 class ConvertEngine;
35 
36 class EngineHandler : public Engine
37 {
38  Q_OBJECT
39  SINGLETON_QOBJECT(EngineHandler)
40 
41 public:
42 
43  void fill_engines(const QVector<Engine*>& engines);
44  virtual bool init();
45 
46  PlaybackEngine* get_playback_engine();
47  ConvertEngine* get_convert_engine();
48 
49  void register_raw_sound_receiver(RawSoundReceiverInterface* receiver);
50  void unregister_raw_sound_receiver(RawSoundReceiverInterface* receiver);
51 
52  void change_equalizer(int band, int value);
53 
54  void start_convert();
55  void end_convert();
56 
57  void set_speed(float f);
58 
59 
60 public slots:
61 
62  void jump_abs_ms(quint64 ms) override;
63  void jump_rel_ms(quint64 ms) override;
64  void jump_rel(double where) override;
65 
66  void change_track(const MetaData&) override;
67  void change_track(const QString&) override;
68 
69 
70 
71 private slots:
72 
73  void sl_md_changed(const MetaData&);
74  void sl_dur_changed(const MetaData&);
75  void sl_pos_changed_ms(quint64 ms);
76  void sl_pos_changed_s(quint32 s);
77 
78  void sl_track_finished();
79 
80  void sr_record_button_pressed(bool);
81  void playstate_changed(PlayManager::PlayState);
82 
83  void new_data(const uchar* data, quint64 n_bytes);
84 
85  void play() override;
86  void stop() override;
87  void pause() override;
88 
89  void set_track_ready() override;
90  void buffering(int progress) override;
91 
92 
93 private:
94 
95  PlayManager* _play_manager=nullptr;
96  Engine* _cur_engine=nullptr;
97  QVector<Engine*> _engines;
98  QList<RawSoundReceiverInterface*> _raw_sound_receiver;
99 
100  Engine* get_engine(EngineName name);
101  void switch_engine(EngineName name);
102 
103  bool configure_connections(Engine* old_engine, Engine* new_engine);
104 
105 };
106 
107 #endif
108 
109 
Definition: MetaData.h:49
PlayState
Current Playing state.
Definition: PlayManager.h:79
Definition: AbstractEngine.h:38
Global handler for current playback state (Singleton)
Definition: PlayManager.h:67
Definition: PlaybackEngine.h:50
The RawSoundReceiver interface.
Definition: RawSoundReceiverInterface.h:32
Definition: EngineHandler.h:36
Definition: ConvertEngine.h:31