[streaming] 0.8.6 transcoding h264 + mosaic and frame rate

Rémi Denis-Courmont remi at remlab.net
Mon Mar 16 16:21:02 CET 2009


On Mon, 16 Mar 2009 14:46:38 +0100, Nicolas VANHAUTE
<nicolas.vanhaute at ac-clermont.fr> wrote:
> hi all,
> 
> do you have an idea why when I transcode in h264 + mosaic, video output 
> has a low frame rate.
> In the same time, if I try to access in http directly to VLC and not by 
> mosaic I built, video is perfect.
> 
> Any idea how to fix that ? sounds a mosaic + h264 problem

Mosaic is very CPU-intensive (decoding and scaling many channels).
h264 encoding is also very CPU-intensive.
It is not surprising that combination of both results in a low frame rate.

You simply need a faster CPU.

-- 
Rémi Denis-Courmont



More information about the streaming mailing list