On Tue, 2006-07-25 at 11:03 +0200, Clemens Ladisch wrote: > Lee Revell wrote: > > I was confused because I also see these timestamps when snooping > > the MIDI output stream inside the kernel's MPU401 driver. I guess I > > assumed that aplaymidi would deliver the events with correct timing, > > rather than passing the timestamps through. > > The MIDI data at a raw MIDI port never has timestamps. What you see are > the data bytes of the next MIDI command where the command byte itself > has been omitted because it would be identical to the last one. (ALSA's > sequencer event -> rawmidi converter uses running status by default.) > > The running status and the zero note-on velocity (see Nicolas' mail) are > the only special cases your parser has to look out for.
What about the 1-byte "realtime" events? (un-normalized MIDI reeally sucks...) -DR-
