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 - 3:24 pm

On Tue, May 08, 2012 at 03:50:44PM +0200, Robin Gareus wrote:

> @Paul, Fons,..: does it use a PLL or simply return the difference from

jack_frame_time() reads the current time from Jack's usecs timer,
subtracts the cycle start time estimated by the PLL, converts the
difference to frames, and adds the frame count at the start of the
current cycle (which is jack_last_frame_time()).

> IIRC Fons reworked some of jack timing functions not too long ago when

The changes do not modify any part of the API, they add to it.

Ciao,

--
FA

A world of exhaustive, reliable metadata would be an utopia.
It's also a pipe-dream, founded on self-delusion, nerd hubris
and hysterically inflated market opportunities. (Cory Doctorow)

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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)