unfortunately, yes the slider is well opened and I can confirm that when it is closed no LED will be visible.
Thanks Morgan 7 octobre 2023 15:06 "Peter Hessler" <phess...@theapt.org> a écrit: > A lot of the Thinkpad laptops have a physical switch that will > cover/uncover the camera. Can you switch it to the other and try again? > > -peter > > On 2023 Oct 07 (Sat) at 12:53:12 +0000 (+0000), Comète wrote: > :Hi, > : > :$ video -f /dev/video0 > :video: ioctl VIDIOC_DQBUF: Invalid argument > : > :the LED lights up near the camera and a black window is displayed... > : > : > :I've strictly followed https://www.openbsd.org/faq/faq13.html#webcam > : > : > :then to answer Crystal: > : > :$ ffplay -f v4l2 -input_format yuyv422 -video_size 960x540 -i /dev/video0 > :ffplay version 4.4.3 Copyright (c) 2003-2022 the FFmpeg developers > :built with OpenBSD clang version 13.0.0 > :configuration: --enable-shared --arch=amd64 --cc=cc --enable-debug > --disable-stripping > :--disable-indev=jack --disable-outdev=sdl2 --enable-fontconfig > --enable-frei0r --ena > :ble-gpl --enable-ladspa --enable-libaom --enable-libass --enable-libdav1d > --enable-libfreetype > :--enable-libfribidi --enable-libgsm --enable-libmp3lame --enable-libopus > --ena > :ble-libspeex --enable-libtheora --enable-libv4l2 --enable-libvorbis > --enable-libvpx > :--enable-libx264 --enable-libx265 --enable-libxml2 --enable-libxvid > --enable-libzimg --en > :able-nonfree --enable-openssl --enable-libvidstab > --extra-cflags='-I/usr/local/include > :-I/usr/X11R6/include' --extra-libs='-L/usr/local/lib -L/usr/X11R6/lib' > --extra-ldsofla > :gs= --mandir=/usr/local/man --objcc=/usr/bin/false --optflags='-O2 -pipe -g > -Wno-redundant-decls' > :libavutil 56. 70.100 / 56. 70.100 > :libavcodec 58.134.100 / 58.134.100 > :libavformat 58. 76.100 / 58. 76.100 > :libavdevice 58. 13.100 / 58. 13.100 > :libavfilter 7.110.100 / 7.110.100 > :libswscale 5. 9.100 / 5. 9.100 > :libswresample 3. 9.100 / 3. 9.100 > :libpostproc 55. 9.100 / 55. 9.100 > :[video4linux2,v4l2 @ 0x68aa563e800] ioctl(VIDIOC_DQBUF): Invalid argument > :Input #0, video4linux2,v4l2, from '/dev/video0': > :Duration: N/A, bitrate: 124416 kb/s > :Stream #0:0: Video: rawvideo (YUY2 / 0x32595559), yuyv422, 960x540, 124416 > kb/s, 15 fps, 15 tbr, > :1000k tbn, 1000k tbc > :[video4linux2,v4l2 @ 0x68aa563e800] ioctl(VIDIOC_DQBUF): Invalid argument > :[video4linux2,v4l2 @ 0x68aa563e800] ioctl(VIDIOC_DQBUF): Invalid argument > :[video4linux2,v4l2 @ 0x68aa563e800] ioctl(VIDIOC_DQBUF): Invalid argument > : > : > :and yes, to answer Jan: > : > :$ sysctl kern.video > :kern.video.record=1 > : > : > : > :Thanks a lot for your help. > : > :Morgan > : > : > :7 octobre 2023 14:36 "Thomas Frohwein" <tfrohw...@fastmail.com> a écrit: > : > :> On Sat, Oct 07, 2023 at 07:08:21AM -0300, Crystal Kolipe wrote: > :> > :>> On Sat, Oct 07, 2023 at 08:51:36AM +0000, Comte wrote: > :>> The webcam seems well detected but no image is displayed... > :>> > :>> What happens if you run /usr/X11R6/bin/video instead of using ffmpeg? > :>> > :>> # dmesg | grep "uvideo" > :>> ^^^^^^^^^^^^^ > :>> > :>> Please post a full dmesg next time. > :>> > :>> uvideo0 at uhub1 port 4 configuration 1 interface 0 "Chicony Electronics > Co.,Ltd. Integrated > :>> Camera" rev 2.01/54.20 addr 3 > :>> video0 at uvideo0 > :>> uvideo1 at uhub1 port 4 configuration 1 interface 2 "Chicony Electronics > Co.,Ltd. Integrated > :>> Camera" rev 2.01/54.20 addr 3 > :>> video1 at uvideo1 > :>> > :>> However, this camera should almost certainly just work anyway. > :>> > :>> $ ffplay -f v4l2 -input_format mjpeg -video_size 1280x720 -i /dev/video0 > :>> ^^^^^^^^^^^^^^^^^^^ > :>> > :>> Why? > :> > :> Looks like Comte followed the console instructions at [1] to the letter. > :> It seems to me that jumping right to ffplay recording isn't the best > :> way for you to check the camera is working. Simplest way to test seems > :> to me: > :> > :> $ video -f /dev/video0 > :> > :> And then you should see a window with the video stream... > :> > :> [1] https://www.openbsd.org/faq/faq13.html#webcam > : > > -- > Do you realize how many holes there could be if people would just take > the time to take the dirt out of them?
