Ted:
It appears that I successfully got, and built, the latest SVN version of
Rosegarden.
Using that (executed from a terminal), I attempted to record from a
'.mid' file (played using pmidi) of the "acid-test" case.
During the recording, there were quite a few warnings about a note-off
being received without a corresponding note-on. There were also
occasional (toward the end) short bursts of notes (where it was
otherwise silent - I may have turned-off MIDI-thru).
It did make it all the way to the end, and created the segment without
crashing.
For some reason, I wasn't able to do a multi-track recording (it only
recorded one of the 3 tracks), so I recorded it all to a single track.
But there are obviously missing MIDI events in the recording. The
missing pedal-down events are particularly noticeable, but I can also
hear missing notes (being familiar with the piece), and surprisingly,
some additional notes that shouldn't be there.
Though this time it did record the entire piece, it is a poor recording.
I can send you the '.rg' file, if you want to examine/hear it.
So it still cannot handle the 'acid-test' (though it never has been able
to).
However, this problem has motivated me to learn MusE, which was able to
successfully record this, and other sequences from my old Roland D20, so
now I have preserved all of my earlier work in a form it can be carried
forward.
- Aere
On Mon, 2012-07-16 at 10:49 -0400, Ted Felix wrote:
> > I have been wondering regarding the missing notes problem, particularly
> with the 'acid-test' case, if increasing the ALSA client pool size might
> solve it.
>
> The dropped notes problem is now fixed in revision 12959. Turns out it
> was a bug that was made worse by slower computers. So it would appear to be
> somehow related to system performance, but wasn't actually.
>
> Is there any way you can grab the latest source from svn, build, and
> test? That would verify that it is indeed fixed.
>
> The sequencer wild pointer problem is next. I don't hold a lot of hope
> for getting this one fixed any time soon. I may have to review the sequencer
> code to find it. I'm not sure that tools like valgrind will be of any use
> given that they will slow things down to a crawl. I'll have to dig up my
> notes on this and see if there's a tool out there that will find this for me
> quickly.
>
> Ted.
>
>
>
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--
Sincerely,
Aere
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