Re: USB camera has "no usable YUV encodings"

2020-05-30 Thread Jan Stary
) > If you want to record, and ffplay works, > you should at least be able to use ffmpeg > and write a file with a standard container format. Yes. Thanks again for the tips. To understand the original problem: video(1) supports certain encodings, namely uyvy, yuy2 and yv12; the mjpeg e

Re: USB camera has "no usable YUV encodings"

2020-05-30 Thread Jan Stary
On Aug 23 10:49:41, h...@stare.cz wrote: > This is current/amd64 on a Dell Latitude E5570 (dmesg below). > I am trying to use a USB camera (bought with a microscope, > to display the miracles of paramecium life on the laptop). > >

Re: USB camera has "no usable YUV encodings"

2019-08-25 Thread Jan Stary
> On Aug 23 15:56:00, s...@spacehopper.org wrote: > > > so is it some format based on a sequence of jpges? > > MJPEG? that's possible. > > Try some of these: > > mplayer tv:// > > Works, looks like video(1), but full-screen > (which is how my mplayer is configured). > > $ mplayer -tv

Re: USB camera has "no usable YUV encodings"

2019-08-24 Thread Olivier Antoine
Hi, I've this kind of message in this bug: https://marc.info/?l=openbsd-bugs=156528542405039 Maybe related? Cheers, On Fri, Aug 23, 2019 at 8:45 PM Jan Stary wrote: > > > Thanks for the tips. Here is what they do > > on video1 (the USB microscope camera). > > During these tests, this appeared

Re: USB camera has "no usable YUV encodings"

2019-08-23 Thread Jan Stary
> Thanks for the tips. Here is what they do > on video1 (the USB microscope camera). During these tests, this appeared in the messages: uvideo1 at uhub0 port 1 configuration 1 interface 0 "Alcor Micro MikrOkularHD" rev 2.00/0.00 addr 4 video1 at uvideo1 uvideo1: could not open VS pipe: IOERROR

Re: USB camera has "no usable YUV encodings"

2019-08-23 Thread Jan Stary
On Aug 23 15:38:17, m...@patrick-wildt.de wrote: > Try using ffmpeg on /dev/video1 On Aug 23 15:56:00, s...@spacehopper.org wrote: > > $ doas video -f /dev/video1 -v > > doas (h...@dell.stare.cz) password: > > video: /dev/video1 has no usable YUV encodings > > > > The device

Re: USB camera has "no usable YUV encodings"

2019-08-23 Thread Stuart Henderson
On 2019-08-23, Jan Stary wrote: > This is current/amd64 on a Dell Latitude E5570 (dmesg below). > I am trying to use a USB camera (bought with a microscope, > to display the miracles of paramecium life on the laptop). > >

USB camera has "no usable YUV encodings"

2019-08-23 Thread Jan Stary
This is current/amd64 on a Dell Latitude E5570 (dmesg below). I am trying to use a USB camera (bought with a microscope, to display the miracles of paramecium life on the laptop). https://www.bresser.de/en/Astronomy/Accessories/BRESSER-MikrOkular-Full-HD-eyepiece-camera.html uvideo1 at uhub0