Using playbin2 causes high CPU load on embedded system

Stefan Sauer ensonic at hora-obscura.de
Wed Oct 19 01:17:51 PDT 2011


On 10/18/2011 03:35 AM, stuart68 wrote:
> Going back to the flags used by playbin2 I now have:
>
> flags=0x122               // I decode audio only
>
> As suggested in an earlier post by stopping playbin2 doing the audioconvert
> and audioresample the CPU load is now directly comparable to that of the
> manually configured pipeline.
>
> The flags that made the big difference are:
>
> GST_PLAY_FLAG_NATIVE_AUDIO
> GST_PLAY_FLAG_NATIVE_VIDEO
>
> I still have issues with audio formats of 24bit\88.2khz and above. These are
> not played back gaplessly.

Which file format do they use?

Stefan
> My audio sink is external to playbin2 and sync is set to false.
>
> Stuart
>
>
> --
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