Re: [LAD] SMPTE and jackd

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To: Robin Gareus <robin@...>
Cc: The Linux Audio Developers' Mailing List <linux-audio-dev@...>
Date: Tuesday, May 8, 2012 - 2:11 pm

On 5/8/12, Robin Gareus wrote:

Yes, correct.

> JACK-transport timecode (as returned by jack_transport_query())

Yes, exactly, see below.

> jack_frame_time() OTOH estimates the time and includes the offset

Yeah, I think it's best to work with jack frames as returned by
jack_transport_query().

> Where does the SMPTE come into play? MTC?
Yes, I'm writing a jack transport to MTC converter for syncing some
things. It's embarrassingly infantile code at the moment, but I'm
working on it, it's also my first jack program. It displays SMPTE
time in a console at the moment.
http://sourceforge.net/projects/jackmtc/

I know there's MTC code in xjadeo (and qtractor or some other DAWs, I
think), but I want a standalone console tool. Admittedly, I haven't
looked at xjadeo code in detail, I'm trying to wrap my head around the
concepts first.

Thanks.
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Messages in current thread:
[LAD] SMPTE and jackd, Egor Sanin, (Tue May 8, 3:07 am)
Re: [LAD] SMPTE and jackd, Robin Gareus, (Tue May 8, 1:51 pm)
Re: [LAD] SMPTE and jackd, Fons Adriaensen, (Tue May 8, 3:24 pm)
Re: [LAD] SMPTE and jackd, Robin Gareus, (Tue May 8, 3:32 pm)
Re: [LAD] SMPTE and jackd, Egor Sanin, (Tue May 8, 2:11 pm)
Re: [LAD] SMPTE and jackd, Ralf Mardorf, (Tue May 8, 2:31 pm)
Re: [LAD] SMPTE and jackd, Paul Davis, (Tue May 8, 3:21 pm)
Re: [LAD] SMPTE and jackd, Jens M Andreasen, (Fri May 11, 2:33 am)
Re: [LAD] SMPTE and jackd, Paul Davis, (Fri May 11, 12:35 pm)
Re: [LAD] SMPTE and jackd, Ralf Mardorf, (Fri May 11, 5:27 am)
Re: [LAD] SMPTE and jackd, Ralf Mardorf, (Fri May 11, 5:35 am)
Re: [LAD] SMPTE and jackd, Jens M Andreasen, (Fri May 11, 8:26 am)
Re: [LAD] SMPTE and jackd, gene heskett, (Fri May 11, 2:02 pm)
Re: [LAD] SMPTE and jackd, Ralf Mardorf, (Fri May 11, 4:05 pm)
Re: [LAD] SMPTE and jackd, Ralf Mardorf, (Fri May 11, 4:56 pm)
Re: [LAD] SMPTE and jackd, Paul Davis, (Fri May 11, 2:56 pm)
Re: [LAD] SMPTE and jackd, Ralf Mardorf, (Fri May 11, 8:58 am)
Re: [LAD] SMPTE and jackd, Egor Sanin, (Fri May 11, 11:52 am)
Re: [LAD] SMPTE and jackd, Ralf Mardorf, (Tue May 8, 4:28 pm)
Re: [LAD] SMPTE and jackd, Ralf Mardorf, (Tue May 8, 4:38 pm)
Re: [LAD] SMPTE and jackd, Robin Gareus, (Tue May 8, 2:20 pm)
Re: [LAD] SMPTE and jackd, Paul Davis, (Tue May 8, 1:00 pm)
Re: [LAD] SMPTE and jackd, Egor Sanin, (Tue May 8, 1:59 pm)
Re: [LAD] SMPTE and jackd, Paul Davis, (Tue May 8, 2:00 pm)
Re: [LAD] SMPTE and jackd, Egor Sanin, (Tue May 8, 2:15 pm)