Re: web-camera

[Todd Gruhn <tgruhn2%gmail.com@localhost>]

That looks like what I get. I remember the
[video4linux2...] part

On Sun, Jun 13, 2021 at 6:40 PM Chavdar Ivanov <ci4ic4%gmail.com@localhost> wrote:
>
>
> On 6/13/21 5:00 PM, Todd Gruhn wrote:
> > "libc.so.12"  isnt that a C-programming lib?
> >
> > On Sun, Jun 13, 2021 at 7:03 PM Chavdar Ivanov <ci4ic4%gmail.com@localhost> wrote:
> >> On Sun, 13 Jun 2021 at 12:15, Todd Gruhn <tgruhn2%gmail.com@localhost> wrote:
> >>> Is there a nice way to collect it?   I get stuff about a linux device.
> >>> I dont understand why...
> >>>
> >>> On Sun, Jun 13, 2021 at 7:12 AM nia <nia%netbsd.org@localhost> wrote:
> >>>> On Sun, Jun 13, 2021 at 07:11:47AM -0400, Todd Gruhn wrote:
> >>>>> I built ffplay4 from  the current pkgsrc tree. It compiled completely, but
> >>>>> I get an error when I execute the command
> >>>>>
> >>>>> ffplay4 /dev/video0
> >>>> OK, what error...?
> >> I tested ffplay4 on a -current system, which is a VirtualBox guest
> >> (W10 client) and has an Intel F200 camera, it worked fine, up until I
> >> tried to stop it - I got a core dump (not much info, it happened  in
> >> __cxa_finalize () from /usr/lib/libc.so.12; the system was functional,
> >> the mouse was working, but I lost the keyboard...
> >>
> >> I'll later try the same laptop running -current on metal.
>
> No luck on real hardware - I get:
>
> ........
>
> ffplay version 4.4 Copyright (c) 2003-2021 the FFmpeg developers
>    built with gcc 10.3.0 (nb1 20210411)
>    configuration: --disable-ffmpeg --disable-ffprobe --disable-encoders
> --disable-decoders --disable-hwaccels --disable-muxers
> --disable-demuxers --disable-parsers --disable-bsfs --dis
> able-protocols --disable-devices --disable-filters --disable-htmlpages
> --disable-podpages --disable-txtpages --enable-ffplay --enable-dct
> --enable-mdct --enable-rdft --cc=gcc --disabl
> e-debug --disable-optimizations --disable-stripping --enable-gpl
> --enable-libxml2 --enable-pthreads --enable-shared --mandir=/usr/pkg/man
> --prefix=/usr/pkg --progs-suffix=4 --datadir=
> /usr/pkg/share/ffmpeg4 --docdir=/usr/pkg/share/doc/ffmpeg4
> --incdir=/usr/pkg/include/ffmpeg4 --libdir=/usr/pkg/lib/ffmpeg4
> --shlibdir=/usr/pkg/lib/ffmpeg4 --enable-runtime-cpudetect
>    WARNING: library configuration mismatch
>
> ......  [similar configuration strings for a bunch of modules]
>
>   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
>      nan    :  0.000 fd=   0 aq=    0KB vq=    0KB sq=    0B f=0/0
>
> [video4linux2,v4l2 @ 0x7be03402d000] Cannot find a proper format for
> codec 'none' (id 0), pixel format 'none' (id -1)
> /dev/video0: Invalid argument
>      nan    :  0.000 fd=   0 aq=    0KB vq=    0KB sq=    0B f=0/0
>
> As I said above, the same physical camera when passed through VirtualBox
> works on the same version NetBSD-current; the packages in both occasions
> were built on another NetBSD box (and installed via pkgin).
>
>
> Strange.
>
> >>
> >>
> >>
> >>
> >> --
> >> ----