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How send audio/video data over the net?
=======================================


Just some pointers where to look.  I haven't tried everything myself.


still images (webcam)
---------------------

You can use the xawtv's webcam utility (in the webcam subdirectory) to
capture single frames and upload them to a (web-)server using ftp.

There are plenty of other tools for that purpose, http://freshmeat.net
has a list.


both audio and video
--------------------

You can use video conferencing tools, see http://www.openh323.org.  That
should even interoperate with M$ Netmeeting.  I've heard there is a
project named "gnomemeeting" ...

You might want to have a look at videolan (http://www.videolan.org).

Using the mbone tools (i.e. vic for video, vat or rat for audio) works
too,  see http://www-mice.cs.ucl.ac.uk/multimedia/software/
Drawback is that these two work independent of each other, that's why
there is no way to make audio and video sync properly.


video only
----------

xawtv works with a remote display.  Eats plenty of network bandwith as
the X11 protocol is not optimized for streaming video.  Can be used to
max-out ATM cards.  Don't even think about it with something slower
than Ethernet.


audio only
----------

Use some network sound daemon, esound for example:
sox -w -c 2 -r 44100 -t ossdsp /dev/dsp -t raw - | esdcat -r 44100

Check out http://freshmeat.net, IIRC there are some tools to multicast
audio data.

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