[gst-devel] adder, tee and two sinks -- second try

[Mathis Hofer]

Hi Christophe

Thank you very much for your answer!
It helped, it's working fine without synchronization.

Man, you saved my neck... ;-)

Mathis


Christophe Dehais wrote:
> Hello and sorry if this is of no interests here ...
> 
> Having 2 sound cards, I split up any sound produced by gstreamer
> application thanks to a gconfaudiosink profile that is:
> 
> audioconvert ! audioresample ! tee name=t t.src1 ! queue ! alsasink
> sync=false device=ymfpci t.src2 ! queue ! alsasink sync=false
> device=default
> 
> What has to be noticed is the 'sync=false' parameter. Without it I
> also got crackling sound in one of the sound cards.
> 
> hope this help,
> Christophe
> 
> 
> On 3/21/07, Mathis Hofer <mathis.hofer at dreamlab.net> wrote:
>> sorry forgot to copy...
>>
>>
>> Hallo René
>>
>> > Try whether the following command runs correctly:
>> >
>> > gst-launch-0.10 audiotestsrc ! audioconvert ! alsasink device=hw:0 \
>> >  audiotestsrc ! audioconvert ! alsasink device=hw:1
>> With this pipeline I get exactly the same effect like with my example
>> pipeline. The second alsasink always makes a crackling noise, no matter
>> which one it is.
>>
>> > If this fails with the same symptoms, I'd suspect you trigger a problem
>> > with alsasink.
>> Okay?
>>
>> > You could also try to replace the alsasinks in your test program with
>> > wavenc ! filesink, sending each output to an own wav file which you can
>> > inspect afterward.
>> This is interesting. When sending each output to a wav file, everything
>> seems okay, no crackling noise. You may be right, it looks like a
>> problem with alsasink...
>>
>> Mathis
>>
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