OpenTTD

extmidi.h
Go to the documentation of this file.
1 /* $Id: extmidi.h 27834 2017-03-29 17:36:46Z peter1138 $ */
2
3 /*
4 * This file is part of OpenTTD.
5 * OpenTTD 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, version 2.
6 * OpenTTD 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.
7 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
8 */
9
12 #ifndef MUSIC_EXTERNAL_H
13 #define MUSIC_EXTERNAL_H
14
15 #include "music_driver.hpp"
16
17 class MusicDriver_ExtMidi : public MusicDriver {
18 private:
19 char **params;
20 char song[MAX_PATH];
21 pid_t pid;
22
23 void DoPlay();
24 void DoStop();
25
26 public:
27 /* virtual */ const char *Start(const char * const *param);
28
29 /* virtual */ void Stop();
30
31 /* virtual */ void PlaySong(const char *filename);
32
33 /* virtual */ void StopSong();
34
35 /* virtual */ bool IsSongPlaying();
36
37 /* virtual */ void SetVolume(byte vol);
38 /* virtual */ const char *GetName() const { return "extmidi"; }
39 };
40
41 class FMusicDriver_ExtMidi : public DriverFactoryBase {
42 public:
43 FMusicDriver_ExtMidi() : DriverFactoryBase(Driver::DT_MUSIC, 3, "extmidi", "External MIDI Driver") {}
44 /* virtual */ Driver *CreateInstance() const { return new MusicDriver_ExtMidi(); }
45 };
46
47 #endif /* MUSIC_EXTERNAL_H */
FMusicDriver_ExtMidi
Definition: extmidi.h:41
MusicDriver_ExtMidi::IsSongPlaying
bool IsSongPlaying()
Are we currently playing a song?
Definition: extmidi.cpp:98
FMusicDriver_ExtMidi::CreateInstance
Driver * CreateInstance() const
Create an instance of this driver-class.
Definition: extmidi.h:44
MusicDriver_ExtMidi::StopSong
void StopSong()
Stop playing the current song.
Definition: extmidi.cpp:92
MusicDriver_ExtMidi::Stop
void Stop()
Stop this driver.
Definition: extmidi.cpp:78
MusicDriver_ExtMidi::SetVolume
void SetVolume(byte vol)
Set the volume, if possible.
Definition: extmidi.cpp:107
Driver::DT_MUSIC
A music driver, needs to be before sound to properly shut down extmidi forked music players...
Definition: driver.h:43
MusicDriver_ExtMidi::GetName
const char * GetName() const
Get the name of this driver.
Definition: extmidi.h:38
music_driver.hpp
Base for all music playback.
DriverFactoryBase
Base for all driver factories.
Definition: driver.h:60
MusicDriver_ExtMidi::PlaySong
void PlaySong(const char *filename)
Play a particular song.
Definition: extmidi.cpp:86
Driver
A driver for communicating with the user.
Definition: driver.h:24
MusicDriver_ExtMidi
Definition: extmidi.h:17
MusicDriver_ExtMidi::Start
const char * Start(const char *const *param)
Start this driver.
Definition: extmidi.cpp:38
MusicDriver
Driver for all music playback.
Definition: music_driver.hpp:18