Why xvimagesink uses more cpu than ximagesink in this case?

Michael Smith msmith at xiph.org
Sun Jul 24 09:32:27 PDT 2011

On Sun, Jul 24, 2011 at 7:55 AM, Yogesh Marwaha <yogeshm.007 at gmail.com> wrote:
> Hi,
> Just consider these simple pipelines:-
> gst-launch -v audiotestsrc ! goom ! ffmpegcolorspace ! ximagesink
> gst-launch -v audiotestsrc ! goom ! ffmpegcolorspace ! xvimagesink
> 2nd uses more cpu than first; though one would think xvimagesink would be
> better. Any explanation?

goom produces RGB video. ximagesink can directly render that;
xvimagesink (usually) cannot, so ffmpegcolorspace has to convert to a
different video format. That takes a significant amount of cpu time.


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