Subject: Re: [linux-audio-dev] LCP v0.1.0
From: David Matthews (dgm4+@pitt.edu)
Date: Mon Dec 10 2001 - 17:28:06 EET
Are there any JACK-aware apps at this point, even experimentally?
-dgm
--On Monday, December 10, 2001 8:59 AM -0500 Paul Davis <pbd_AT_Op.Net> wrote:r
> In message <3C14ADA5.DDD5B6D0_AT_boosthardware.com>you write:
>> Could someone explain in simple english how these apps are intended to
>> work together please?
>>
>> Do I just run one version of jack and then lcp, ardour, alsaplayer,
>> spiral loops, timidity, glame, pd and anything I do will be at low
>> latency and ardour can record everything I play without dropouts? Can I
>> tell ardour to seperate the streams into multiple tracks or do I tell
>> jack and ardour just "listens" to jack?
>>
>> In other words what is the expected order of events in laymans terms.
>
> 1) start up a JACK server with your chosen driver (right now, just
> the ALSA audio i/o driver)
> 2) start up any or all JACK-aware applications
> 3) LADSPA hosts load LADSPA plugins
> 4) LADSPA hosts optionally start standalone GUI processes to
> control LADSPA plugins, communication via LCP (or http; to be
> decided). Remember: they don't have to do this. They could use no
> GUI at all, or build their own.
>
> Every audio stream is a mono 32 bit IEEE floating point data stream
> that can be shared with and tapped into by any or all JACK participants.
> To record the output from SpiralLoops in Ardour, you'd just click on
> the input button for the DiskStream, select "SpiralLoops-L" or
> whatever SpiralLoops called its left output stream, and voila. This
> audio stream is completely independent from all others. It doesn't
> show up at the outputs of your audio interface unless you connect it
> to a port that ultimately routes data to an audio i/o port.
>
> --p
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