Audio mutes when slaved to MTC

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lambo
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Hi all,

when ardour (2.8.12) is slaved to external MTC and running, audio is muted. When changing the clocksource to "internal" or "jack" it works fine.

Has anyone an idea?

lambo

paul
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@lambo: it suggests that Ardour cannot lock to the incoming MTC. It will mute audio until it locks. Where is the MTC coming from?

lambo
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Hi Paul,

the MTC comes from an Tascam DM24 via an AkaiME30P (Midi patchbay). Ardour receives the clock, its cursor is moving in sync with the TC from the gear.

I used an older Version of Ardour (don't remember which version) as Midi slave succesfully about one and a half year ago, equipment didn't change. Maybe a problem with the current version of Ardour?

lambo

paul
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Receiving and responding to MTC are not the same as locking to it. Its been so long since I've been near the MTC code in Ardour 2.X that right now I don't know what to suggest.

lambo
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Hi,

thank you for your answer Paul, i know the problem with code one hasn't worked on for an while. I had a short look into mtc_slave.cc, but my c++ skills are not this good (though the source appeared very readable to me); furthermore i don't know anything about ardours design/architecture.

The ardour version I used was built from source. So to exclude problems by my own build (although I didn't change anything via scons), yesterday I took the precompiled binary. It shows the same behaviour, but by starting with a newly created session i found out the following strange behaviour: whenever hooked to MTC (no matter where it comes from, i have different sources), ardour starts capturing on all tracks from time 0, tracks are not armed, record button is not enabled. Enabling/disabling MMC didn't change anything.
The cursor moves in sync to the tc.

Is there an archive of older ardour releases? I havn't found one. I would like to try an older version, if possible.

regards
lambo