Have you tried setting compressed_image_transport_jpeg_quality
somewhere in the tree above the image topic (in the root for example)?

That should get rid of the error, but no idea if it will fix the lag problem.

This should probably be ticketed against image_pipeline.

On Thu, Nov 18, 2010 at 8:34 PM, Adam Leeper <aleeper@stanford.edu> wrote:
> Hi All-
>
> I've been subscribing to the compressed image output from an image_rotate
> node showing forearm camera images. This is extremely laggy compared to
> subscribing to compressed images from, for example, the head stereo cameras.
>
> A look at rxconsole shows the following errors that are streaming
> continuously from the rotation node:
>
> XML-RPC call [searchParam] returned an error (-1): [Cannot find parameter
> [compressed_image_transport_jpeg_quality] in an upwards search]
> XML-RPC call [searchParam] returned an error (-1): [Cannot find parameter
> [compressed_image_transport_format] in an upwards search]
>
> I'm subscribing to /r_forearm_cam/image_rect_color_rotated/compressed. The
> errors don't apprear if I subscribe to the regular image stream, so this
> seems like the cause.
>
> Any idea how to fix this?
>
> Thanks,
> Adam
>
>
>
>
> Adam Leeper
> Stanford University
> aleeper@stanford.edu
> 719.358.3804
>
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