On Friday, December 24, 2010 15:19:26 Hans de Goede wrote: > Hi, > > On 12/22/2010 12:30 PM, Mauro Carvalho Chehab wrote: > > Hans V/Hans G, > > > > There's a nasty bug at qv4l2 or at libv4l: it is not properly updating > > all info, if you change the video device. On my tests with uvcvideo (video0) > > and a gspca camera (pac7302, video1), it was showing the supported formats > > for the uvcvideo camera when I changed from video0 to video1. > > > > The net result is that the image were handled with the wrong decoder > > (instead of using fourcc V4L2_PIX_FMT_PJPG, it were using BGR3), producing > > a wrong decoding. > > > > Could you please take a look on it? > > I'm pretty sure this is not a libv4l issue (other apps which allows witching > the source work fine), but rather a qv4l2 problem, esp. as it uses libv4lconvert > directly rather then going through libv4l (iirc). And I'm pretty sure it isn't a qv4l2 issue :-) For the record: qv4l2 can open a device node either in 'raw' mode bypassing libv4l and using v4lconvert to convert unsupported pixformats, or in 'wrapped' mode where libv4l is used for all device node accesses. > Hans V, can you take a look at this? Not until I am back to Oslo at the beginning of January as all my webcams are there. Regards, Hans -- Hans Verkuil - video4linux developer - sponsored by Cisco -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
