[FFmpeg-user] V4L2 recording results in invalid data & buffer still owned errors.

[Louis Rossmann]

> Louis Rossmann <l.a.rossmann <at> gmail.com> writes:
>>
>> > So that messed up configure line is not Gentoo's
>> > fault, but all mine. :(
>>
>> Then please reconfigure with "./configure --enable-gpl"
>> and add the external libraries you need, do NOT add any
>> --disable-* flags and do NOT add any --extra-cflags /
>> --extra-ldflags except those needed for library detection.
>>
>> Your current executable is intentionally slow.
>>
>> Carl Eugen
>>
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>> ffmpeg-user at ffmpeg.org
>> http://ffmpeg.org/mailman/listinfo/ffmpeg-user
>>
>
> I've done everything I can with my executable, however, the problem
> persists.
>
> If I run a recording, it works. if I stop the recording, there is little I
> can do short of reboot the system to record a second video using the V4L2
> device. I've tried on an Ubuntu desktop and a Gentoo laptop. Do you have
> any suggestions? Kernel 3.14 was a quick fix but sadly that did not last
> long. :(
>
>
I decided to try on a different computer with a fresh install and the
problem persists. I can only record once before having to reboot.

I have two of the same device. What is interesting is, even after I have
run out of recording tries with one device, I can try again with the next
and it works - but of course, only for one time.

The only other software I can find that allows me to simultaneously capture
raw video from an HDMI source is $1000 on Windows 7. If someone can fix
V4L/ffmpeg so it works properly with these devices, I'd be willing to match
the $1k in donations. I absolutely love how no frills this is - no crap, no
tons of menus, no junk I don't need, just type a line tell it how to encode
and it gives me files I can easily edit. I love it... I just hate rebooting
my machine for each take. I have an SSD, but still, cmon! :)