[ros-users] image_proc doesn't work with camera1394

[Jack O'Quin]

On Sat, Mar 27, 2010 at 4:24 PM, Jack O'Quin <jack.oquin at gmail.com> wrote:
> On Sat, Mar 27, 2010 at 2:57 PM, Eric Perko <wisesage5001 at gmail.com> wrote:
>
>> Has anyone else been able to get any 1394 camera working with
>> image_proc using either camera1394 or an older 1394 driver?
>
> Yes!
>
> I just noticed that camera1394 was publishing a zero time stamp.
> (Didn't we used to get warnings about that?).
>
> A quick fix to set the time stamp before publishing, and it works now
> for me. I'll commit this one-line fix to SVN shortly. Please give it a
> try (and thanks again for the bug report, Eric).

Note that this was just a quick hack using ros::Time::now().

I see that some versions of libdc1394 can return a timestamp for the
actual image capture. This is obviously better, I'll see if I can get
that to work reliably. If I can, I'll set that in the message header.
-- 
 joq