Em Domingo 26 Março 2006 06:49, Jan Kiszka escreveu: >... >Maybe derived a subset from the full V4L2 API is the way to go. But >let's wait if you discover other interface designs.
Actually, my priorities changed again... I'll need to finish (start actually) an application using the camera in a hard real-time context for writing another article for RTSS (http://www.rtss.org) that will happen in Brazil this year. Hope to see some of you here if my article is approved. Then I will come back to my interface designs research... >... >> This method also requires poll and select to be implemented in V4L2. We >> should discuss how to deal with it if we stick with the V4L2 variant idea. > >Hmm, what file descriptors have to be monitored in parallel so that >poll/select is required? I didn't really understand why should poll/select be required, but the author says it is too important to be optional... We should ask him why ;) Anyway, there are more efficient ways for monitoring a buffer state and wait for events in RTDM. I don't think we should use poll/select anyway... >... >> Which vision applications do you have in mind? > >So far "only" a subset of your scenario: One of my colleagues needs to >synchronise frame timestamps with timestamps of other input, from range >sensors e.g. The actually processing is not (yet?) hard RT, but the >input synchronisation is essential. I think that the timestamp provided by the interface is enough, don't you think? Best Regards, Rodrigo. _______________________________________________________ Yahoo! doce lar. Faça do Yahoo! sua homepage. http://br.yahoo.com/homepageset.html _______________________________________________ Xenomai-core mailing list Xenomai-core@gna.org https://mail.gna.org/listinfo/xenomai-core
