Using playbin2 causes high CPU load on embedded system

[Victor Manuel Jáquez Leal]

On Tue, Oct 11, 2011 at 11:06 AM, stuart68 <stuart68 at gmail.com> wrote:
> Hi,
>
> Can anyone explain why when I change my pipeline to use playbin2 instead of
> souphttpsrc, decodebin, queue2, audioconvert, audioresample, alsasink that
> my CPU load is noticeably higher.

Because playbin2, being constructed at run time depending of how the
streams are recognized, would adds more elements on the pipeline than
your predefined/optimized pipeline.

You can dump a graph of the generated playbin2 pipeline:

http://gstreamer.freedesktop.org/wiki/DumpingPipelineGraphs

vmjl

>
> For HD audio formats it is going from around 65% to a constant 99% when
> using playbin2.
>
> Thanks,
> Stuart
>
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