diff options
Diffstat (limited to 'simon/midi.cpp')
| -rw-r--r-- | simon/midi.cpp | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/simon/midi.cpp b/simon/midi.cpp index 11940a1229..b7d9b11333 100644 --- a/simon/midi.cpp +++ b/simon/midi.cpp @@ -34,6 +34,21 @@ extern MidiParser *MidiParser_createS1D(); +// Instrument mapping for MT32 tracks emulated under GM. +static const byte mt32_to_gm[128] = { +// 0 1 2 3 4 5 6 7 8 9 A B C D E F + 0, 1, 0, 2, 4, 4, 5, 3, 16, 17, 18, 16, 16, 19, 20, 21, // 0x + 6, 6, 6, 7, 7, 7, 8, 112, 62, 62, 63, 63, 38, 38, 39, 39, // 1x + 88, 95, 52, 98, 97, 99, 14, 54, 102, 96, 53, 102, 81, 100, 14, 80, // 2x + 48, 48, 49, 45, 41, 40, 42, 42, 43, 46, 45, 24, 25, 28, 27, 104, // 3x + 32, 32, 34, 33, 36, 37, 35, 35, 79, 73, 72, 72, 74, 75, 64, 65, // 4x + 66, 67, 71, 71, 68, 69, 70, 22, 56, 59, 57, 57, 60, 60, 58, 61, // 5x + 61, 11, 11, 98, 14, 9, 14, 13, 12, 107, 107, 77, 78, 78, 76, 76, // 6x + 47, 117, 127, 118, 118, 116, 115, 119, 115, 112, 55, 124, 123, 0, 14, 117 // 7x +}; + + + MidiPlayer::MidiPlayer (OSystem *system) { // Since initialize() is called every time the music changes, // this is where we'll initialize stuff that must persist @@ -41,6 +56,7 @@ MidiPlayer::MidiPlayer (OSystem *system) { _system = system; _mutex = system->create_mutex(); _driver = 0; + _map_mt32_to_gm = false; _enable_sfx = true; _current = 0; @@ -95,6 +111,8 @@ void MidiPlayer::send (uint32 b) { volume = (byte) ((b >> 16) & 0xFF) * _masterVolume / 255; _volumeTable [b & 0xF] = volume; b = (b & 0xFF00FFFF) | (volume << 16); + } else if ((b & 0xF0) == 0xC0 && _map_mt32_to_gm) { + b = (b & 0xFFFF00FF) | (mt32_to_gm [(b >> 8) & 0xFF] << 8); } else if ((b & 0xFFF0) == 0x007BB0) { // Only respond to an All Notes Off if this channel // has already been allocated. @@ -246,6 +264,12 @@ void MidiPlayer::set_driver(MidiDriver *md) { _driver = md; } +void MidiPlayer::mapMT32toGM (bool map) { + _system->lock_mutex (_mutex); + _map_mt32_to_gm = map; + _system->unlock_mutex (_mutex); +} + void MidiPlayer::setLoop (bool loop) { _system->lock_mutex (_mutex); _loopTrack = loop; |