Re: [Jack-Devel] Odp: Re: jack1: jack_transport does not work as master

Was this the stuff you tried (unsuccessfully) to convince me need to
go into the tools repo?

On Thu, Jul 2, 2015 at 1:12 PM, Pawel <[hidden]> wrote:
> Hi,
>
> Tobias, you can check my slightly improved version of jack_transport:
> https://sourceforge.net/p/nxjsm/code/HEAD/tree/trunk/tools/transport.c
>
> I'm also the author of new Hydrogen jack-master code. It's works much better , but probably not perfect ;-)
>
> P.
>
> Dnia Czwartek, 2 Lipca 2015 18:57 Paul Davis <[hidden]> napisał(a)
>> Frankly, computing BBT time has never been part of "how to use the
>> JACK API". It should probably never have been included in the source
>> code in the first place.
>>
>> Managing BBT time is *extremely* complex - we have worked on it for
>> years in Ardour and it still has issues. I'd prefer to just rip it
>> out.
>>
>> On Thu, Jul 2, 2015 at 12:47 PM, Tobias Hoffmann
>> <[hidden]> wrote:
>> > On 02/07/15 17:30, Tobias Hoffmann wrote:
>> >>
>> >> On 02/07/15 15:38, Paul Davis wrote:
>> >>>
>> >>> jack_transport is not intended to act as a the time master.
>> >>
>> >> Well, comparing example-clients/transport_client.c and tools/transport.c,
>> >> I'd say the one big difference between the two is that tools/transport.c
>> >> (aka jack_transport) can act as a *simple* timebase master...
>> >
>> >
>> > Ok, I see now that the BBT update algorithm (in the "else" branch in
>> > timebase()) in transport.c is quite broken, because it accumulates rounding
>> > errors. However always using the first, recalculating branch (basically: if
>> > (true)) seems to be stable -- or at least: better than Hydrogen's timebase
>> > master, which updates the BBT only every few cycles... (I've read that
>> > somewhere a completely rewritten Jack Master implementation for Hydrogen is
>> > available, which I have not tested yet).
>> >
>> > I find it quite sad that even some code distributed in the jack tarball is
>> > an example of how NOT to use the Jack API ...
>> >
>> >   Tobias
>> >
>> >
>> >
>> >
>> >
>> 
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>
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