[gst-devel] two questions about alsa plugin

marco marco at teknusi.org
Fri Mar 20 22:29:41 CET 2009


hi, 
i would like to ask some questions:
i have such a situation being schematic:

filesource -- decodebin2 - several_audio_tranforms -adder
e
and for the output:

tee - shout2send

ok, the problem is:

- when i add new source using adder it is ok until it is not an alsa
source (e.g. playing another file or a stream together with another file
is ok, adding an alsa source, as a mic input, results in a cannot record
fast enough or something like that). could you suggest anything? i tried
to use queues but that did not help. starting the application with just
one alsa source and no other sources works. 

- another problem arise when i try to add dynamically (at runtime) an
alsa output to the tee, it seems it works randomly. what is the right
way to add (and remove) an alsa output to a tee? if i start with an
already done chain (tee and alsasink and shout2send and AFTER that
STATE_PLAYING it works)

thanks in advance,

marco





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