diff options
Diffstat (limited to 'engines/sci/sfx/sci_midi.h')
| -rw-r--r-- | engines/sci/sfx/sci_midi.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/engines/sci/sfx/sci_midi.h b/engines/sci/sfx/sci_midi.h index 68650f738a..c026bdff5f 100644 --- a/engines/sci/sfx/sci_midi.h +++ b/engines/sci/sfx/sci_midi.h @@ -26,8 +26,13 @@ #ifndef SCI_SFX_MIDI_H #define SCI_SFX_MIDI_H +#include "sound/mididrv.h" +#include "sci/sfx/sfx.h" + namespace Sci { +class ResourceManager; + #define MIDI_RHYTHM_CHANNEL 9 /* Special SCI sound stuff */ @@ -43,6 +48,7 @@ namespace Sci { #define SCI_MIDI_SET_REVERB 0x50 #define SCI_MIDI_HOLD 0x52 #define SCI_MIDI_CUMULATIVE_CUE 0x60 +#define SCI_MIDI_CHANNEL_SOUND_OFF 0x78 /* all-sound-off for Bn */ #define SCI_MIDI_CHANNEL_NOTES_OFF 0x7B /* all-notes-off for Bn */ #define SCI_MIDI_SET_SIGNAL_LOOP 0x7F @@ -50,6 +56,38 @@ namespace Sci { #define SCI_MIDI_CONTROLLER(status) ((status & 0xF0) == 0xB0) +class MidiPlayer : public MidiDriver { +protected: + MidiDriver *_driver; +public: + int open() { return open(NULL); } + int open(ResourceManager *resmgr) { return _driver->open(); } + void close() { _driver->close(); } + void send(uint32 b) { _driver->send(b); } + uint32 getBaseTempo() { return _driver->getBaseTempo(); } + bool hasRhythmChannel() const { return true; } + MidiChannel *allocateChannel() { return _driver->allocateChannel(); } + MidiChannel *getPercussionChannel() { return _driver->getPercussionChannel(); } + void setTimerCallback(void *timer_param, Common::TimerManager::TimerProc timer_proc) { _driver->setTimerCallback(timer_param, timer_proc); } + + virtual int getPlayMask() const = 0; + virtual int getPolyphony() const = 0; + virtual int getPatchNr() const { return -1; } + + virtual void setVolume(byte volume) { + // Master Volume SysEx message + const byte message[] = {0x7f, 0x7f, 0x04, 0x01, volume & 0x7f, volume & 0x7f}; + + _driver->sysEx(message, 6); + } + + virtual void allSoundOff() { + // Send "All Sound Off" on all channels + for (int i = 0; i < MIDI_CHANNELS; ++i) + _driver->send(0xb0 + i, SCI_MIDI_CHANNEL_SOUND_OFF, 0); + } +}; + } // End of namespace Sci #endif // SCI_SFX_MIDI_H |