High CPU utilization affecting video capturing.
john
I have some problem related to video capturing on my system. I checked
that the video capturing is being affected If the CPU utilization is
going high i.e. 100%.
I am using a video conferencing product. I observed that when I make a
multi user video call, cpu usage is 100% on my system and my video is
stuck on my preview video window.
I would like to know that high cpu utilization may affect the video
capturing or not.
Please give me some suggestion on this topic.
Thanks.
Alessandro Angeli
> I have some problem related to video capturing on my
> system. I checked that the video capturing is being
> affected If the CPU utilization is going high i.e. 100%.
>
> I am using a video conferencing product. I observed that
> when I make a multi user video call, cpu usage is 100% on
> my system and my video is stuck on my preview video
> window.
>
> I would like to know that high cpu utilization may affect
> the video capturing or not.
Live video capture is a real-time task. If the capture
pipeline can not process the frames at least as fast as they
arrive, if not faster, some will be dropped. Since video
compression requires a lot of CPU power, if the CPU is doing
something else, there may not be enough power left to
compress the frames in real-time. A smart preview system
will then stop previewing to try and squeeze out some more
power to give to the capture itself but that may still not
be enough and frames will be dropped.
--
// Alessandro Angeli
// MVP :: DirectShow / MediaFoundation
// mvpnews at riseoftheants dot com
// http://www.riseoftheants.com/mmx/faq.htm