sorry if the question is trivial...

while adding videosupport to chan_oss/chan_alsa, which you can find at

    http://svn.digium.com/view/asterisk/team/rizzo/video_v2/

I just realised that the various video sources that I am using
(webcam using the 'gspca' driver, or X11 grabber) do not support
a select()/poll() interface, so i cannot rely on that (and on
ast_channel_set_fd() ) to wakeup the channel driver when data
is ready; I need a separate timing source.

What are the options ? Right now I am [ab]using the audio source
to poll the video source, but audio too is not always available.

Maybe i should create a new thread, and a scheduler context
with sched_context_create(), and then have a periodic
event fire every 20-50ms to call the video handler ?

Other ideas ?

        cheers
        luigi

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