Re: [ecasound] problems with the loop device and changing formats

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Subject: Re: [ecasound] problems with the loop device and changing formats
From: S. Massy (theanaloguekid_AT_tak.net.dhis.org)
Date: Tue Oct 30 2001 - 19:10:05 EET

On Tue, 30 Oct 2001, Jeremy Hall <jhall_AT_uu.net> wrote:

> Hi,
>
> WOW NOW WHAT!
>
> I install new CVS and alsa support is gone somehow!
Yes, yes, internal plugins support seems to be quite broken...

Nothing in my setup or in the way I configure ecasound as changed and now
no alsa device will show up in `aio-register'.
Also, trying to play a .au file (which is also an internal plugin unless
I'm much mistaken) results in a "wait_for_full failed" at best and a nice
segfault at worst.

All of this started when I updated my tree from CVS yesterday...
No need to say that it's a bit of a bummer...

>
> well I will tell you about my problems with CVS of a couple days ago.
>
> I tried the following chain setup file
>
> # ecasound chainsetup file
>
> # general
> -b:64 -r:50 -z:intbuf -z:nodb -sr:48000 -n:one-hope-2 -X -z:noxruns -z:psr -t:316
>
> # audio inputs
> -a:1 -f:f32_le,1,48000 -i:audio2.wav,
> -a:2 -f:f32_le,1,48000 -i:audio3.wav,
> -a:3 -f:f32_le,1,48000 -i:audio4.wav,
> -a:4 -f:f32_le,2,48000 -i:loop,1
> -a:5 -f:f32_le,2,48000 -i:loop,2
>
> # audio outputs
> -a:2,3 -f:f32_le,2,48000 -o:loop,2
> -a:1 -f:f32_le,2,48000 -o:loop,1
> -a:4,5 -f:s16_le,2,48000 -o:alsa,dsp1
>
> # chain operators and controllers
> -a:1 -^erc$:1.00,2.00
> -a:2 -^epp$:0.00
> -a:3 -^erc$:1.00,2.00 -^epp$:100.00
> -a:4 -el:freeverb3,0.00,0.90,0.80,0.08,0.50,1.00 -^ea$:55.00
> -a:5 -el:freeverb3,0.00,0.80,0.25,0.17,1.00,1.00
>
>
>
> now when I start this, it produces noise! I have determined it is the
> freeverb's that is doing the noise. I first have to start ecasound
> rolling, THEN add them. When I start ecasound rolling, I get a burst of
> noise, probably because the loop devices aren't initialized properly, then
I seem to remember that this problem with the loops once was solved, am I
wrong or has it just come around again? 

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