Le vendredi 13 juin 2008 Ã 01:18 +0200, Conrad Beckert a Ãcrit :
> tonight I did a couple of tests with my new ekiga installation. I put up two
> machines running the latest snapshots on Ubuntu Hardy and called each other
> directly (without my Asterisk)
> The goal is of course videoconference. So I tested how the new video codecs
> would perform.
> My settings: Bandwith between 192kbit/s and 1024 kbit/s (influence on image
> quality but not the issues mentioned below)
> H261 - (Ekiga Ekiga) - works fine - as expected. Image quality as I know it
> from the old times :-)
> H263 - (Ekiga Ekiga) - connection established - but no video transmission.
> Each side sees its own video only - see attached -d 4 log
> H263 - (Ekiga - Linphone) - works fine - but Linphone shows somehow poor
> image quality - blocks and pixels.
> H263 - (Ekiga - Xtenphone - Windows) - works fine (this one I did over my
> Asterisk as I recieved a video call :-) during my tests)
> Theora (Ekiga-Ekiga) Just works fine, good image quality
> Theora (Ekiga-Linphone) Just works fine (nice images on Linphone - unlike
> H264 (Ekiga-Ekiga) - Ekiga crashes. See attached -d 4 trace
> H264 (Ekiga-Linphone) works for a couple of seconds, then Ekiga crashes. see
> attached -d 4 trace
> I's probably worth mentioning that the Hardy Snapshot of Ekiga doesn't find
> its libx264.so. Ubuntu installs a file called libx264.so.57. I had to
> symlink. Ekiga complains in the -d 4 log, starts anyway but crashes when I
> try mpeg4.
> The strange thing is that I cannot determine the image size by setting in
> video devices. (probably it is adjusting the cam and not the transmission)
> Anyway. I hope my tests are of some use - and if not please give me a hint
> what I should test or trace.
> PS. Traces obviously are to big for the forum - I send them with private mail
> to whoever needs/wants them
I am cc'ing Matthias, our codecs expert.
But he is on holidays until the end of June.
_ Damien Sandras
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