Re: Audio output in Friefox

Greg V <[email protected]>
Newsgroups gmane.os.freebsd.devel.x11
Message-ID <[email protected]>

On Mon, Jul 2, 2018 at 1:46 AM, Grzegorz Junka <[email protected]> wrote:
> 
> On 01/07/2018 21:49, Greg V wrote:
>> 
>> On Sun, Jul 1, 2018 at 12:27 PM, Grzegorz Junka <[email protected]> 
>> wrote:
>>> 
>>> On 01/07/2018 03:03, Adam wrote:
>>>> On Sat, Jun 30, 2018 at 6:40 PM, Grzegorz Junka <[email protected] 
>>>> <mailto:[email protected]>> wrote:
>>>> 
>>>>     Hello,
>>>> 
>>>>     Firefox options allow to use ALSA/JACK/PulseAudio/SndIO as 
>>>> audio
>>>>     output. Assuming that more than one is selected, how can I 
>>>> switch
>>>>     which one Firefox should use?
>>>> 
>>>>     Thanks
>>>> 
>>>>     GrzegorzJ
>>>> 
>>>> 
>>>> pkg info -D firefox
>>> 
>>> Excellent, thank you Adam! Do you know why Jack is being selected 
>>> by default rather than Alsa or even OSS, which also seems to be 
>>> working fine?
>> 
>> Maybe because you have a JACK server running?
>> 
>> It's always been 'pulse-rust' for me.
>> 
> 
> Yes, I do have the JACK server configured and running, but should 
> that be enough to enable this particular backend by default? OSS and 
> Alsa are also available. Why choose JACK over them? I am not 
> complaining, just trying to understand how the selection happens, 
> i.e. if it's automatic or hardcoded in some FreeBSD patches or 
> Firefox code.
> 

Firefox automatically chooses the "best" available backend.
If you have JACK running, it uses JACK.
If you have PulseAudio available, it uses PulseAudio.
Otherwise, ALSA or OSS.

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