src/music/bemidi.h

   1 /*
   2  * This file is part of OpenTTD.
   3  * 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.
   4  * 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.
   5  * 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/>.
   6  */
   7
   8 /** @file bemidi.h Base of BeOS Midi support. */
   9
  10 #ifndef MUSIC_BEMIDI_H
  11 #define MUSIC_BEMIDI_H
  12
  13 #include "music_driver.hpp"
  14
  15 /* For BMidiSynthFile */
  16 #include <MidiSynthFile.h>
  17
  18 /** The midi player for BeOS. */
  19 class MusicDriver_BeMidi : public MusicDriver {
  20 public:
  21         std::optional<std::string_view> Start(const StringList &param) override;
  22
  23         void Stop() override;
  24
  25         void PlaySong(const MusicSongInfo &song) override;
  26
  27         void StopSong() override;
  28
  29         bool IsSongPlaying() override;
  30
  31         void SetVolume(uint8_t vol) override;
  32         std::string_view GetName() const override { return "bemidi"; }
  33
  34 private:
  35         BMidiSynthFile *midi_synth_file = nullptr;
  36         double current_volume = 1.0;
  37         bool just_started = false;
  38 };
  39
  40 /** Factory for the BeOS midi player. */
  41 class FMusicDriver_BeMidi : public DriverFactoryBase {
  42 public:
  43         FMusicDriver_BeMidi() : DriverFactoryBase(Driver::DT_MUSIC, 10, "bemidi", "BeOS MIDI Driver") {}
  44         Driver *CreateInstance() const override { return new MusicDriver_BeMidi(); }
  45 };
  46
  47 #endif /* MUSIC_BEMIDI_H */