Re: [ecasound] php-triggered interactive script terminates

On Tue, Sep 25, 2012 at 10:51:04AM +0000, spencer marsden wrote:
>
> Hi,
> apologies for incorrect nomenclature of procedures
>
> Problem: wanting to launch ecasound engine in interactive mode from php, with jack_transport controlling playback.
>
>
> I have a php script that calls shell scripts which trigger playback of ecasound correctly. Ecasound is using jack, which I have invoked as www-data.
> scripts such as
>
> #!/bin/bash
> # play
> set -x on
> TERM=linux
> export TERM
> ecasound -i /var/www/upload/*.wav -o jack,system
> set -x off
>
>
> work fine, both from terminal (as www-data) and exec from php generated web page:
>
> else if
> ($_GET['action'] == "play") {
> $command = '/var/www/TRANSPORT/linuxplay.sh';
> //$output = passthru($command . ' 2>&1 &');
> $output = exec($command . ' 2>&1', $output_array, $return_val);
>
> so far so good, but the following script:
>
> #!/bin/bash
> # engine_start
> set -x on
> TERM=linux
> export TERM
> ecasound -c -i /var/www/upload/*.wav -o jack,system -G:jack,hereiam,recv -E engine-launch -K ;

Hi Spencer,

The -c flag specified the interactive mode, and therefore
requires a terminal.

Regards,

Joel

-- 
Joel Roth
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