[gst-devel] multichannel audio with jacksink

[Tristan Matthews]

Wim Taymans wrote:
> I'm working on a better fix now (include the element name in the port
> name).
>
> Wim
I just got the latest version of jackaudiosink from CVS and the launch 
line works, thanks!

Best,
Tristan


On Mon, 2008-05-26 at 13:39 -0400, Tristan Matthews wrote:
>> I'd tried something like that before, and it yields the following errors:
>>
>> cannot deliver port registration request
>> ERROR: from element /pipeline0/jackaudiosink0: Could not get/set 
>> settings from/o
>> n resource.
>> Additional debug info:
>> gstjackaudiosink.c(564): gst_jack_ring_buffer_acquire (): 
>> /pipeline0/jackaudiosi
>> nk0:
>> Cannot allocate more Jack ports
>> ERROR: pipeline doesn't want to preroll.
>> Setting pipeline to NULL ...
>> /pipeline0/jackaudiosink1.sink: caps = NULL
>> /pipeline0/audioconvert1.src: caps = NULL
>> /pipeline0/audioconvert1.sink: caps = NULL
>> /pipeline0/audioconvert0.src: caps = NULL
>> /pipeline0/audioconvert0.sink: caps = NULL
>> /pipeline0/audiotestsrc1.src: caps = NULL
>> /pipeline0/audiotestsrc0.src: caps = NULL
>> FREEING pipeline ...
>>
>> I think I might have to combine the audio into one 8 channel stream 
>> before piping it to the jackaudiosink, as it doesn't seem to work with 
>> multiple jackaudiosinks, however I'm not sure how I'd do this either.
>>
>>
>>     
>
>   
>> -Tristan
>>
>>
>> Wim Taymans wrote:
>>     
>>> On Mon, 2008-05-26 at 13:21 -0400, Tristan Matthews wrote:
>>>   
>>>       
>>>> Hi,
>>>>
>>>> I'd like to have a launchline that allows me to have multiple (up to 8) 
>>>> audiotestsrc elements all outputting to a jackserver (on separate 
>>>> channels). The mono version being:
>>>>
>>>> gst-launch -v audiotestsrc volume=0.5 freq=300 wave=sine ! audioconvert 
>>>> ! jackaudiosink
>>>>     
>>>>         
>>> Did you try:
>>> 
>>> gst-launch -v audiotestsrc volume=0.5 freq=300 wave=sine ! audioconvert 
>>> ! jackaudiosink audiotestsrc volume=0.5 freq=500 wave=sine ! audioconvert ! jackaudiosink
>>>
>>> Simply adding more jackaudiosinks should do the trick.
>>>
>>> Wim
>>>
>>>   
>>>       
>>>> I'd like to have each audiotestsrc be at a different frequency and on 
>>>> its own channel.
>>>>
>>>> Any ideas?
>>>>
>>>> Regards,
>>>> Tristan
>>>>
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>>>>     
>>>>         
>>>   
>>>       
>
>