[Telepathy] best frame rate for video chat

[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.

-- 
Olivier Crête
olivier.crete at collabora.co.uk
Collabora Ltd
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