diff options
Diffstat (limited to 'src/adlmidi_midiplay.cpp')
| -rw-r--r-- | src/adlmidi_midiplay.cpp | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/src/adlmidi_midiplay.cpp b/src/adlmidi_midiplay.cpp index bd979bd..3aa307d 100644 --- a/src/adlmidi_midiplay.cpp +++ b/src/adlmidi_midiplay.cpp @@ -93,6 +93,8 @@ static const uint8_t PercussionMap[256] = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0" "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"; +enum { MasterVolumeDefault = 127 }; + inline bool isXgPercChannel(uint8_t msb, uint8_t lsb) { return (msb == 0x7E || msb == 0x7F) && (lsb == 0); @@ -117,6 +119,7 @@ void MIDIplay::AdlChannel::AddAge(int64_t ms) MIDIplay::MIDIplay(unsigned long sampleRate): cmf_percussion_mode(false), + m_masterVolume(MasterVolumeDefault), m_sysExDeviceId(0), m_arpeggioCounter(0) #if defined(ADLMIDI_AUDIO_TICK_HANDLER) @@ -220,6 +223,7 @@ void MIDIplay::realTime_ResetState() NoteUpdate_All(uint16_t(ch), Upd_All); NoteUpdate_All(uint16_t(ch), Upd_Off); } + m_masterVolume = MasterVolumeDefault; } bool MIDIplay::realTime_NoteOn(uint8_t channel, uint8_t note, uint8_t velocity) @@ -766,8 +770,9 @@ bool MIDIplay::doUniversalSysEx(unsigned dev, bool realtime, const uint8_t *data unsigned volume = (((unsigned)data[0] & 0x7F)) | (((unsigned)data[1] & 0x7F) << 7); - /*TODO*/ - (void)volume; + m_masterVolume = volume >> 7; + for(size_t ch = 0; ch < Ch.size(); ch++) + NoteUpdate_All(uint16_t(ch), Upd_Volume); return true; } @@ -1029,7 +1034,7 @@ void MIDIplay::NoteUpdate(uint16_t MidCh, case OPL3::VOLUME_Generic: { - volume = vol * Ch[MidCh].volume * Ch[MidCh].expression; + volume = vol * m_masterVolume * Ch[MidCh].volume * Ch[MidCh].expression; /* If the channel has arpeggio, the effective volume of * *this* instrument is actually lower due to timesharing. @@ -1040,10 +1045,10 @@ void MIDIplay::NoteUpdate(uint16_t MidCh, */ //volume = (int)(volume * std::sqrt( (double) ch[c].users.size() )); - // The formula below: SOLVE(V=127^3 * 2^( (A-63.49999) / 8), A) - volume = volume > 8725 ? static_cast<uint32_t>(std::log(static_cast<double>(volume)) * 11.541561 + (0.5 - 104.22845)) : 0; - // The incorrect formula below: SOLVE(V=127^3 * (2^(A/63)-1), A) - //opl.Touch_Real(c, volume>11210 ? 91.61112 * std::log(4.8819E-7*volume + 1.0)+0.5 : 0); + // The formula below: SOLVE(V=127^4 * 2^( (A-63.49999) / 8), A) + volume = volume > (8725 * 127) ? static_cast<uint32_t>(std::log(static_cast<double>(volume) * (1.0 / 127.0)) * 11.541561 + (0.5 - 104.22845)) : 0; + // The incorrect formula below: SOLVE(V=127^4 * (2^(A/63)-1), A) + //opl.Touch_Real(c, volume>(11210*127) ? 91.61112 * std::log((4.8819E-7/127)*volume + 1.0)+0.5 : 0); opl.Touch_Real(c, volume, brightness); //opl.Touch(c, volume); @@ -1053,14 +1058,14 @@ void MIDIplay::NoteUpdate(uint16_t MidCh, case OPL3::VOLUME_NATIVE: { volume = vol * Ch[MidCh].volume * Ch[MidCh].expression; - volume = volume * 127 / (127 * 127 * 127) / 2; + volume = volume * m_masterVolume / (127 * 127 * 127) / 2; opl.Touch_Real(c, volume, brightness); } break; case OPL3::VOLUME_DMX: { - volume = 2 * ((Ch[MidCh].volume * Ch[MidCh].expression) * 127 / 16129) + 1; + volume = 2 * (Ch[MidCh].volume * Ch[MidCh].expression * m_masterVolume / 16129) + 1; //volume = 2 * (Ch[MidCh].volume) + 1; volume = (DMX_volume_mapping_table[(vol < 128) ? vol : 127] * volume) >> 9; opl.Touch_Real(c, volume, brightness); @@ -1069,7 +1074,7 @@ void MIDIplay::NoteUpdate(uint16_t MidCh, case OPL3::VOLUME_APOGEE: { - volume = ((Ch[MidCh].volume * Ch[MidCh].expression) * 127 / 16129); + volume = (Ch[MidCh].volume * Ch[MidCh].expression * m_masterVolume / 16129); volume = ((64 * (vol + 0x80)) * volume) >> 15; //volume = ((63 * (vol + 0x80)) * Ch[MidCh].volume) >> 15; opl.Touch_Real(c, volume, brightness); @@ -1078,8 +1083,8 @@ void MIDIplay::NoteUpdate(uint16_t MidCh, case OPL3::VOLUME_9X: { - //volume = 63 - W9X_volume_mapping_table[(((vol * Ch[MidCh].volume /** Ch[MidCh].expression*/) * 127 / 16129 /*2048383*/) >> 2)]; - volume = 63 - W9X_volume_mapping_table[(((vol * Ch[MidCh].volume * Ch[MidCh].expression) * 127 / 2048383) >> 2)]; + //volume = 63 - W9X_volume_mapping_table[(((vol * Ch[MidCh].volume /** Ch[MidCh].expression*/) * m_masterVolume / 16129 /*2048383*/) >> 2)]; + volume = 63 - W9X_volume_mapping_table[((vol * Ch[MidCh].volume * Ch[MidCh].expression * m_masterVolume / 2048383) >> 2)]; //volume = W9X_volume_mapping_table[vol >> 2] + volume; opl.Touch_Real(c, volume, brightness); } |