Hello,
My mistake. I had recently added an output.file to output the live stream to a
file as well. The max setting works without that output.file, since the
output.file reads from the stream, obviously.
But I'd still like a way of recording the broadcast from the time it starts. I
have a server command that begins recording, but then I get part of the song
before and after the broadcast. So is there a way to do this?
Thanks,
Brandon
On Jul 2, 2012, at 3:28 PM, David Baelde wrote:
> Hi guys,
>
> I ran some tests. Here is my protocol:
>
> # Server, start it first
>
> liquidsoap 'from_live = fun(a,b)->b ; to_live =
> fun(a,b)->add(normalize=false,[sequence([blank(duration=10.),b]),
> fade.final(duration=10.,a)]) ;
> output.pulseaudio(fallback(track_sensitive=false,[input.harbor("foo.ogg",port=9876,max=30.),amplify(0.2,noise())],transitions=[to_live,from_live]))'
>
> # The clients streams "one, two, three, four, ..."
>
> liquidsoap 'c = ref 0 ; next = { c := !c + 1 ;
> request.create("say:#{!c}") } ; s = request.dynamic(next) ;
> output.icecast(%vorbis,port=9876,mount="foo.ogg",s,fallible=true)'
>
> Without the max=30. parameter in the input.harbor(), I can only hear
> the stream starting at 4. The logs are pretty clear and verbose: the
> buffer becomes overfull and data is dropped. Without the max parameter
> set to 30., no data is lost.
>
> This test may not reflect your situation. In particular, it could be
> that you have plugged an output.dummy() on your input.harbor()
> precisely to avoid those noisy "Buffer overrun" logs. (Every now and
> then, we advise people to do this, it's not a very good situation, but
> your example shows that it's not obvious to make a default choice.) If
> you have an output.dummy() it will consume data from the buffer as
> soon as there is enough, and so the max parameter will become useless.
>
> In short: Romain's advice is still good, but make sure you don't have
> an output.dummy in there.
>
> Please tell us how this works for you. I don't think we'll change
> anything before 1.0.1 but after the release we should do some serious
> thinking to try to get better default behaviors.
>
> Cheers,
> --
> David
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