diff options
Diffstat (limited to 'src/adlmidi_midiplay.cpp')
| -rw-r--r-- | src/adlmidi_midiplay.cpp | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/src/adlmidi_midiplay.cpp b/src/adlmidi_midiplay.cpp index f539b16..8b4f27f 100644 --- a/src/adlmidi_midiplay.cpp +++ b/src/adlmidi_midiplay.cpp @@ -117,6 +117,7 @@ void MIDIplay::AdlChannel::AddAge(int64_t ms) MIDIplay::MIDIplay(unsigned long sampleRate): cmf_percussion_mode(false), + m_sysExDeviceId(0), m_arpeggioCounter(0) #if defined(ADLMIDI_AUDIO_TICK_HANDLER) , m_audioTickCounter(0) @@ -706,6 +707,172 @@ void MIDIplay::realTime_BankChange(uint8_t channel, uint16_t bank) Ch[channel].bank_msb = uint8_t((bank >> 8) & 0xFF); } +void MIDIplay::setDeviceId(uint8_t id) +{ + m_sysExDeviceId = id; +} + +bool MIDIplay::realTime_SysEx(const uint8_t *msg, unsigned size) +{ + if(size < 4 || msg[0] != 0xF0 || msg[size - 1] != 0xF7) + return false; + + unsigned manufacturer = msg[1]; + unsigned dev = msg[2]; + msg += 3; + size -= 4; + + switch(manufacturer) + { + default: + break; + case Manufacturer_UniversalNonRealtime: + case Manufacturer_UniversalRealtime: + return doUniversalSysEx( + dev, manufacturer == Manufacturer_UniversalRealtime, msg, size); + case Manufacturer_Roland: + return doRolandSysEx(dev, msg, size); + case Manufacturer_Yamaha: + return doYamahaSysEx(dev, msg, size); + } + + return false; +} + +bool MIDIplay::doUniversalSysEx(unsigned dev, bool realtime, const uint8_t *data, unsigned size) +{ + bool devicematch = dev == 0x7F || dev == m_sysExDeviceId; + if(size < 2 || !devicematch) + return false; + + unsigned address = + (((unsigned)data[0] & 0x7F) << 8) | + (((unsigned)data[1] & 0x7F)); + data += 2; + size -= 2; + + switch(((unsigned)realtime << 16) | address) + { + case (0 << 16) | 0x0901: // GM System On + /*TODO*/ + return true; + case (0 << 16) | 0x0902: // GM System Off + /*TODO*/ + return true; + case (1 << 16) | 0x0401: // MIDI Master Volume + if(size != 2) + break; + unsigned volume = + (((unsigned)data[0] & 0x7F)) | + (((unsigned)data[1] & 0x7F) << 7); + /*TODO*/ + (void)volume; + return true; + } + + return false; +} + +bool MIDIplay::doRolandSysEx(unsigned dev, const uint8_t *data, unsigned size) +{ + bool devicematch = dev == 0x7F || (dev & 0x0F) == m_sysExDeviceId; + if(size < 6 || !devicematch) + return false; + + unsigned model = data[0] & 0x7F; + unsigned mode = data[1] & 0x7F; + unsigned checksum = data[size - 1] & 0x7F; + data += 2; + size -= 3; + +#if !defined(ADLMIDI_SKIP_ROLAND_CHECKSUM) + { + unsigned checkvalue = 0; + for(unsigned i = 0; i < size; ++i) + checkvalue += data[i] & 0x7F; + checkvalue = (128 - (checkvalue & 127)) & 127; + if(checkvalue != checksum) + return false; + } +#endif + + unsigned address = + (((unsigned)data[0] & 0x7F) << 16) | + (((unsigned)data[1] & 0x7F) << 8) | + (((unsigned)data[2] & 0x7F)); + data += 3; + size -= 3; + + if(mode != RolandMode_Send) // don't have MIDI-Out reply ability + return false; + + switch((model << 24) | address) + { + case (RolandModel_GS << 24) | 0x00007F: // System Mode Set + { + if(size != 1 || (dev & 0xF0) != 0x10) + break; + unsigned mode = data[0] & 0x7F; + /*TODO*/ + (void)mode; + return true; + } + case (RolandModel_GS << 24) | 0x40007F: // Mode Set + { + if(size != 1 || (dev & 0xF0) != 0x10) + break; + unsigned value = data[0] & 0x7F; + /*TODO*/ + (void)value; + return true; + } + } + + return false; +} + +bool MIDIplay::doYamahaSysEx(unsigned dev, const uint8_t *data, unsigned size) +{ + bool devicematch = dev == 0x7F || (dev & 0x0F) == m_sysExDeviceId; + if(size < 1 || !devicematch) + return false; + + unsigned model = data[0] & 0x7F; + ++data; + --size; + + switch((model << 8) | (dev & 0xF0)) + { + case (YamahaModel_XG << 8) | 0x10: // parameter change + { + if(size < 3) + break; + + unsigned address = + (((unsigned)data[0] & 0x7F) << 16) | + (((unsigned)data[1] & 0x7F) << 8) | + (((unsigned)data[2] & 0x7F)); + data += 3; + size -= 3; + + switch(address) + { + case 0x00007E: // XG System On + if(size != 1) + break; + unsigned value = data[0] & 0x7F; + /*TODO*/ + (void)value; + return true; + } + + break; + } + } + + return false; +} + void MIDIplay::realTime_panic() { Panic(); |