# extmidi.h

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    00001 /* $Id: extmidi.h 17875 2009-10-25 21:47:32Z smatz $ */
    00002
    00003 /*
    00004  * This file is part of OpenTTD.
    00005  * 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.
    00006  * 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.
    00007  * 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/>.
    00008  */
    00009
    00012 #ifndef MUSIC_EXTERNAL_H
    00013 #define MUSIC_EXTERNAL_H
    00014
    00015 #include "music_driver.hpp"
    00016
    00017 class MusicDriver_ExtMidi: public MusicDriver {
    00018 private:
    00019   char *command;
    00020   char song[MAX_PATH];
    00021   pid_t pid;
    00022
    00023   void DoPlay();
    00024   void DoStop();
    00025
    00026 public:
    00027   /* virtual */ const char *Start(const char * const *param);
    00028
    00029   /* virtual */ void Stop();
    00030
    00031   /* virtual */ void PlaySong(const char *filename);
    00032
    00033   /* virtual */ void StopSong();
    00034
    00035   /* virtual */ bool IsSongPlaying();
    00036
    00037   /* virtual */ void SetVolume(byte vol);
    00038   /* virtual */ const char *GetName() const { return "extmidi"; }
    00039 };
    00040
    00041 class FMusicDriver_ExtMidi: public MusicDriverFactory<FMusicDriver_ExtMidi> {
    00042 public:
    00043   static const int priority = 3;
    00044   /* virtual */ const char *GetName() { return "extmidi"; }
    00045   /* virtual */ const char *GetDescription() { return "External MIDI Driver"; }
    00046   /* virtual */ Driver *CreateInstance() { return new MusicDriver_ExtMidi(); }
    00047 };
    00048
    00049 #endif /* MUSIC_EXTERNAL_H */