[
http://dev.sourcefabric.org/browse/LS-340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
David Baelde resolved LS-340.
-----------------------------
Resolution: Fixed
We have reworked outputs quite a bit. The situation is still not so satisfying
concerning ALSA: it still has a buffered and unbuffered mode, but more
importantly it's incredibly hard to make it work nicely in duplex. Most other
I/O are unbuffered, though. Hopefully they'll be used more and more.
> I/O and clocks
> --------------
>
> Key: LS-340
> URL: http://dev.sourcefabric.org/browse/LS-340
> Project: Liquidsoap
> Issue Type: Bug
> Components: Liquidsoap
> Reporter: David Baelde
> Assignee: David Baelde
> Priority: Blocker
> Fix For: 1.0
>
>
> It seems to me that IoRing is very good, it provides tight I/O. It clearly is
> better than the old buffering code with active waiting and delays (defeating
> the purpose of buffering by interfering with the clock). Now that it supports
> a size=1 ring, it might also be as good as the unbuffered Alsa operators.
> Anybody using that one?
> The old Ringbuffer module is still used for buffered I/O in opal. This is
> done in the old style, active waiting and delays. Couldn't we use IoRing
> there? Or is Opal dead anyways?
> Now that we have clocks, we could also only keep the unbuffered Alsa (and
> Opal, etc) in the future, and create a pure IoRing operator that we would
> combine.
> It's kind of scary to touch that again; I hope we'll not loose any of the
> progress we've painfully made so far. Making some careful measures of time
> drifts in various situations should be helpful.
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