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http://dev.sourcefabric.org/browse/LS-609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=21027#action_21027
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David Baelde commented on LS-609:
---------------------------------
Okay this took me more time than expected because the code was somehow dirty:
it has obviously gone through several iterations without documentation or
review. I have done a full pass of cleanup. The resulting operators should
behave pretty much as before, and they have the requested feature. One change
for the user: length has become max_blank, and the new param is called
min_noise. This naming can be discussed until we merge. Please test.
I only played with strip_blank and on_blank using a sine:
$ ./src/liquidsoap scripts/utils.liq
'output.dummy(visu.volume(mksafe(strip_blank(max_blank=1.,min_noise=1.,threshold=-1.,sine(0.1)))))'
$ ./src/liquidsoap scripts/utils.liq
'output.dummy(visu.volume(mksafe(strip_blank(max_blank=1.,min_noise=1.,threshold=-1.,on_blank(max_blank=1.,min_noise=1.,threshold=-1.,{log("BLANK")},on_noise={log("NOISE")},sine(0.1))))))'
> add a "back_time" to "strip_blank"
> ----------------------------------
>
> Key: LS-609
> URL: http://dev.sourcefabric.org/browse/LS-609
> Project: Liquidsoap
> Issue Type: Improvement
> Affects Versions: 1.0
> Environment: liquidsoap ubuntu 11
> Reporter: jean duffas
> Assignee: David Baelde
>
> Hello,
> I use strip_blank function because I got 2 streams, one normal and one spare.
> when normal stream fail, spare stream is used instead, everything is ok.
> but sometimes, my normal stream for some reason, does audio 'clic' about
> every minutes, it makes liquid soap think that the normal stream is came
> back, and put it back on air... for a 'clic'.
> would it be possible to add a variable "back_time" witch could define minimum
> time before the stream would come back on air after a sound is detected ?
> in that way, a little click wouldn't put back silence on air.
> I hope you understood what I tried to explain...
> don't hesitate to ask me.
> jean
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