On Tuesday 02 December 2008 17:58:41 GWater wrote:

> I interprete these results in the following way:
> JPEG decompression needs much more computation than non-standard YUV422
> to i420 converting (which is what last-release-without-libv4l does.)
>
> Maybe an accaptable solution is submitting the old decoder algorithms to
> libv4l. Implementing the encoding in the driver again is a matter of
> minutes.

Yep, we also need to define new V4L2-format.

> This way people get better performance, better images and can still use
> the new driver version.
>
> The only issue that needs to be resolved in libv4l is that users need a
> way to select preferred input encoding. Otherwise libv4l will keep on
> using JPEG.
>
> GWater

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