diff options
| -rw-r--r-- | src/i_oplmusic.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/src/i_oplmusic.c b/src/i_oplmusic.c index c07146a7..a2bc22d8 100644 --- a/src/i_oplmusic.c +++ b/src/i_oplmusic.c @@ -881,12 +881,21 @@ static void KeyOnEvent(opl_track_data_t *track, midi_event_t *event) event->data.channel.param2); */ - // The channel. - - channel = &track->channels[event->data.channel.channel]; key = event->data.channel.param1; volume = event->data.channel.param2; + // A volume of zero means key off. Some MIDI tracks, eg. the ones + // in AV.wad, use a second key on with a volume of zero to mean + // key off. + if (volume <= 0) + { + KeyOffEvent(track, event); + return; + } + + // The channel. + channel = &track->channels[event->data.channel.channel]; + // Percussion channel (10) is treated differently. if (event->data.channel.channel == 9) |