Sayonara Player
EngineHandler.h
1 /* EngineHandler.h */
2 
3 /* Copyright (C) 2011-2017 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/PlayState.h"
26 #include "Utils/Singleton.h"
27 #include "Utils/Pimpl.h"
28 
29 #define EngineHandler_change_track_md static_cast<void (EngineHandler::*) (const MetaData& md)>(&EngineHandler::change_track)
30 
32 class LevelReceiver;
33 class SpectrumReceiver;
34 
35 namespace Engine
36 {
37  class Playback;
38 
43  class Handler :
44  public Base
45  {
46  Q_OBJECT
47  SINGLETON_QOBJECT(Handler)
48  PIMPL(Handler)
49 
50  public:
51  bool init() override;
52  void shutdown();
53 
54  void register_raw_sound_receiver(RawSoundReceiverInterface* receiver);
55  void unregister_raw_sound_receiver(RawSoundReceiverInterface* receiver);
56 
57  void register_level_receiver(LevelReceiver* receiver);
58  void register_spectrum_receiver(SpectrumReceiver* receiver);
59 
60  void set_equalizer(int band, int value);
61 
62  bool change_track(const MetaData&) override;
63  bool change_track_by_filename(const QString&) override;
64 
65 
66  private slots:
67  void jump_abs_ms(MilliSeconds ms) override;
68  void jump_rel_ms(MilliSeconds ms) override;
69  void jump_rel(double where) override;
70 
71  void sl_md_changed(const MetaData&);
72  void sl_dur_changed(const MetaData&);
73  void sl_pos_changed_ms(MilliSeconds ms);
74  void sl_pos_changed_s(Seconds s);
75 
76  void sl_track_finished();
77 
78  void sl_track_ready_changed();
79  void sl_buffer_state_changed(int progress);
80 
81  void sl_error(const QString& error_msg);
82 
83  void sr_record_button_pressed(bool);
84  void playstate_changed(PlayState state);
85 
86  void new_data(const uchar* data, uint64_t n_bytes);
87 
88  void play() override;
89  void stop() override;
90  void pause() override;
91 
92  private:
93  bool configure_connections();
94 
95  // Engine interface
96  protected:
97  bool change_uri(const QString& uri) override;
98  };
99 }
100 #endif
101 
102 
The LevelReceiver class.
Definition: SoundOutReceiver.h:32
PlayState
The PlayState enum.
Definition: PlayState.h:28
The MetaData class.
Definition: MetaData.h:44
Definition: AbstractEngine.h:33
The EngineHandler class.
Definition: EngineHandler.h:43
The Engine class.
Definition: AbstractEngine.h:51
The RawSoundReceiver interface.
Definition: RawSoundReceiverInterface.h:30
The SpectrumReceiver class.
Definition: SoundOutReceiver.h:46