Re: [LAU] Ecasound mono wave file and autostart

From: Lorenzo Sutton <lorenzofsutton@email-addr-hidden>
Date: Mon Jan 18 2016 - 10:04:10 EET

Hi Kai,

On 16/01/2016 21:50, Kai Vehmanen wrote:
> Hi Lorenzo,
>
> On Sat, 16 Jan 2016, Lorenzo Sutton wrote:
>
>> ecasound -c -i ultimo_sole_audio_dial_eff.wav -o jack,system \
>> -G:jack,ecasound,recv
> [...]
>> 1. The above starts in interactive mode while I'd like ecasound to
>> autostart when run. It seems that omitting -c will cause ecasound to
>> exit upon jack transport stop, which is a no-go for me
>
> You can add "-E start" to handle this (see ecasound(1) man page for -E,
> it allows you to pass set of initial commands to run, so designed
> specifically to address this problem).
>
>> 2. The wave file is mono: I tried various combinations sucj as
>> jack_multi but this will always either create two outputs or one
>> output and connect it only to one of the system (stereo) outputs.
>
> Add "-chcopy:1,2" (see ecasound(1) man page for this as well) and
> "-f:,2, -o jack,system". This will copy left channel contents to the
> right, and output
> a stereo stream to JACK.
>

Thanks for your very helpful suggestions. Those options totally slipped
when reading the man.

Lorenzo.

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Received on Mon Jan 18 12:15:01 2016

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