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Re: [M560x-driver-devel] Multiple resolution support on the po1030 sensor
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From: Erik A. <eri...@gm...> - 2009-01-16 20:02:31
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, I've pushed a possible fix. Please try and report. Thanks, Erik Laurent BARRAILLE wrote: > I tested all the last revisions. > > This problem, my webcam don't work and i have the error message : > > "libv4l2: error dequeuing buf: Erreur d'entrée/sortie" (Input/Output Error) > > is present since this version: > > http://linuxtv.org/hg/~eandren/gspca-m5602/rev/520e80db22aa > > Regards > > Laurent > > Laurent BARRAILLE a écrit : >> Hi >> >> I already tested a previous version with auto exposure control and >> green control. >> It's works fine. >> >> Thanks a lot >> >> The QVGA resolution doesn't work. >> Here my tests and results : >> >> With libv4l-0.5.8 >> >> sudo modprobe -r gspca_m5602 && sudo modprobe gspca_m5602 >> >> I launch a first time vlc with vlc v4l2:// and i don't get any image, >> i've got this error messages : >> >> libv4l2: error dequeuing buf: Erreur d'entrée/sortie >> [00000409] v4l2 demux error: Failed to wait (VIDIOC_DQBUF) >> libv4l2: error dequeuing buf: Erreur d'entrée/sortie >> [00000409] v4l2 demux error: Failed to wait (VIDIOC_DQBUF) >> libv4l2: error dequeuing buf: Erreur d'entrée/sortie >> [00000409] v4l2 demux error: Failed to wait (VIDIOC_DQBUF) >> >> I close vlc and i launch again, and it works fine, no error message >> >> I try again : >> >> I close vlc and i launch again, and my image is bad, no error message >> (vlc_bad.png) >> >> I try again : >> >> I close vlc and i launch again, and my image is moved to the right, no >> error message (vlc_moved.png) >> >> I try again : >> >> I close vlc and i launch again, and it works fine again, no error message >> >> Then it doesn't work anymore, then it works again but i have always >> the sequence : >> >> no image >> works fine >> bad image >> moved image >> works fine >> no image >> no image >> no image >> ... >> no image >> works fine >> bad image >> moved image >> works fine >> >> >> Now, i try with this command : >> >> vlc v4l2:// :v4l2-width=320 :v4l2-height=240 >> >> it doesn't work, i have nothing, but sometimes i've a bad image >> (vlc_320_240.png) >> >> With cheese or gstreamer-properties i've got a similar behaviour >> (corrupted, moved, none), not exactly the same. >> >> I've a fedora too i'll test if i have the same behaviour >> >> Regards >> >> Laurent >> >> Erik Andrén a écrit : > Hi, > > When you have the time please give the latest hg tree a spin. I > added some untested support for QVGA resolution. > Could you please test it and see if it gaves any sane image. > A good program to use is relative modenrn version of cheese which > supports multiple resolutions. > > Best regards, > Erik >> >> >> ------------------------------------------------------------------------ >> >> >> ------------------------------------------------------------------------ >> >> >> ------------------------------------------------------------------------ >> -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEARECAAYFAklw58gACgkQN7qBt+4UG0Ex6gCguIEXj+SkAYtauo7IkP2b1wFb qkQAoKU5T8NJnrxf2xM8yq+0e2Ez/JAa =2a44 -----END PGP SIGNATURE----- |