src/music/extmidi.h

   1 /* $Id$ */
   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
  10 /** @file extmidi.h Base support for playing music via an external application. */
  11
  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 *command;
  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 */