Re: [LAD] successive note on midi events

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To: <linux-audio-dev@...>
Date: Monday, April 12, 2010 - 11:55 am

On Mon, April 12, 2010 07:35, Ralf Mardorf wrote:

The program is going use JACK MIDI, and all events must be sent in full
for JACK MIDI, IIRC.

I have a substantial lack of studio/MIDI hardware here, so I'm used to
thinking in terms of software implementations, plus, I've only ever used
the basics in sequencers so am not in a strong position for implementing a
MIDI program.

Maybe it's a major flaw in the overall concept of the program:

given a rhythmic pattern, sequence it, and determine the pitch/velocity
data for each event in the pattern by placing a box into a 127x127 grid
where it will fit without overlapping any other.

((the boxes will have width and height, and can hang around after note off))

Basically, it leaves me with three options, none of which I like:

given a single channel, and the possibility that successive note-on events
occur with missing note-off events:

1) once note on, prevent further note on events until note off for that
pitch has occurred..

2) when a missing note-off detected, delay the note-on by the smallest
amount of time possible, and insert the note-off in place of it.

3) disallow the pattern to have note durations which overlap the next note
on.

4) do it anyway and warn the user it may cause problems.

5) let the user choose from above.

Anyway, it's all far from becoming a working program yet, but this
specific problem needs dealing with at this stage.

Ta,
James.

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Messages in current thread:
Re: [LAD] successive note on midi events, James Morris, (Sun Apr 11, 11:52 pm)
Re: [LAD] successive note on midi events, Ralf Mardorf, (Mon Apr 12, 6:35 am)
Re: [LAD] successive note on midi events, James Morris, (Mon Apr 12, 11:55 am)
Re: [LAD] successive note on midi events, Ralf Mardorf, (Mon Apr 12, 12:31 pm)
Re: [LAD] successive note on midi events, Ralf Mardorf, (Mon Apr 12, 6:15 am)
Re: [LAD] successive note on midi events, Jens M Andreasen, (Mon Apr 12, 6:07 am)
Re: [LAD] successive note on midi events, drew Roberts, (Mon Apr 12, 1:53 pm)
Re: [LAD] successive note on midi events, Paul Davis, (Mon Apr 12, 2:04 pm)
Re: [LAD] successive note on midi events, Ralf Mardorf, (Mon Apr 12, 2:29 pm)
Re: [LAD] successive note on midi events, Jens M Andreasen, (Mon Apr 12, 2:43 pm)
Re: [LAD] successive note on midi events, Paul Davis, (Mon Apr 12, 2:33 pm)
Re: [LAD] successive note on midi events, torbenh, (Mon Apr 12, 2:44 pm)
Re: [LAD] successive note on midi events, Pedro Lopez-Cabanillas, (Mon Apr 12, 4:53 pm)
Re: [LAD] successive note on midi events, David Olofson, (Mon Apr 12, 7:10 pm)
Re: [LAD] successive note on midi events, Ralf Mardorf, (Mon Apr 12, 2:43 pm)
Re: [LAD] successive note on midi events, Ralf Mardorf, (Mon Apr 12, 2:24 pm)
Re: [LAD] successive note on midi events, Paul Davis, (Mon Apr 12, 2:31 pm)
Re: [LAD] successive note on midi events, Thorsten Wilms, (Mon Apr 12, 8:27 am)
Re: [LAD] successive note on midi events, James Morris, (Mon Apr 12, 11:56 pm)
Re: [LAD] successive note on midi events, Jens M Andreasen, (Tue Apr 13, 12:22 am)
Re: [LAD] successive note on midi events, Clemens Ladisch, (Tue Apr 13, 7:56 am)
Re: [LAD] successive note on midi events, Jens M Andreasen, (Tue Apr 13, 10:39 am)
Re: [LAD] successive note on midi events, Clemens Ladisch, (Tue Apr 13, 11:02 am)
Re: [LAD] successive note on midi events, Paul Davis, (Tue Apr 13, 12:13 pm)
Re: [LAD] successive note on midi events, James Morris, (Tue Apr 13, 10:13 pm)
Re: [LAD] successive note on midi events, Ralf Mardorf, (Wed Apr 14, 3:12 am)
Re: [LAD] successive note on midi events, Ralf Mardorf, (Wed Apr 14, 3:37 am)
Re: [LAD] successive note on midi events, Paul Davis, (Tue Apr 13, 11:54 pm)
Re: [LAD] successive note on midi events, Jens M Andreasen, (Tue Apr 13, 12:40 pm)
Re: [LAD] successive note on midi events, Arnold Krille, (Tue Apr 13, 6:40 am)
Re: [LAD] successive note on midi events, Ralf Mardorf, (Tue Apr 13, 2:02 am)
Re: [LAD] successive note on midi events, Ralf Mardorf, (Tue Apr 13, 2:13 am)
Re: [LAD] successive note on midi events, Jens M Andreasen, (Mon Apr 12, 10:31 am)
Re: [LAD] successive note on midi events, Paul Davis, (Mon Apr 12, 11:51 am)
Re: [LAD] successive note on midi events, Thorsten Wilms, (Mon Apr 12, 10:58 am)
Re: [LAD] successive note on midi events, Ralf Mardorf, (Mon Apr 12, 8:41 am)
Re: [LAD] successive note on midi events, Ralf Mardorf, (Mon Apr 12, 6:22 am)