I thought that the webcam was broken but I've tested it with a live Debian 12 usb key and it works.
7 octobre 2023 21:02 "Comète" <com...@geekandfree.org> a écrit: > Hello, > > $ video -q -f /dev/video1 > video: /dev/video1 has no usable YUV encodings > > $ video -s 1920x1080 -f /dev/video1 > video: /dev/video1 has no usable YUV encodings > > thanks for your suggestion > > Morgan > > 7 octobre 2023 18:56 "Marcus MERIGHI" <mcmer-open...@tor.at> a écrit: > >> Hello, >> >> com...@geekandfree.org (Comète), 2023.10.07 (Sat) 17:02 (CEST): >> >>> unfortunately, yes the slider is well opened and I can confirm that >>> when it is closed no LED will be visible. >> >> on my thinkpad X1 Carbon 5th Gen., /dev/video0 is the infrared camera, >> /dev/video1 is the one I want. >> >> video -s 1920x1080 -f /dev/video1 >> ^ >> gives me the best it can do, while >> >> video -s 1920x1080 -f /dev/video0 >> ^ >> gives me a small, greenish, pixelated image. >> >> Marcus >> >>> 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?
