[Telepathy] best frame rate for video chat

[Alexey Fisher]

Am Sonntag, den 22.08.2010, 12:21 -0400 schrieb Olivier Crête:
> On Sun, 2010-08-22 at 16:57 +0200, Alexey Fisher wrote:
> > 
> > Most codecs and conteiners do not support dynamic frame rate, i do not
> > know haw about h263. So probably empathy trying to stabilize frame
> > rate
> > to announced. If anounced 30fps and got 5fps it will upscale it to 30.
> > This make no sense, espasially on slow CPU or to stream it in the
> > network. 
> 
> Most codecs used in video calls (like H263, H264) when used with RTP
> don't have notion of framerate. They just send frames that have a
> specific timestamp. So if the camera doesn't produce buffers as fast as
> it claims, it just sends the buffers it has.

Damn, i thought i'll get the point without  digging. Ok, i have problem:
empathy need more CPU power as my netbook can give. Athom N280 @
1,66GHz. For cheese bug i did a lot of test and found it need about 17%
CPU to encode 320x240 at 5fps with theora. Do h263 need so match power?

Regards,
	Alexey