[FFmpeg-devel] [PATCH] Close vfwcap devices on exit()

Ramiro Polla ramiro
Mon Apr 14 20:30:53 CEST 2008

M?ns Rullg?rd wrote:
> Reimar D?ffinger <Reimar.Doeffinger at stud.uni-karlsruhe.de> writes:
>> On Mon, Apr 14, 2008 at 05:18:31PM +0100, Ramiro Polla wrote:
>>> With some devices and some versions of Windows, if you exit() an 
>>> application before you disconnect a VFW driver, that device will
>>> remain unusable until you reboot.
>> I guess you can call me user-unfriendly but to be honest this is so
>> obviously a driver bug I'd say tell your hardware vendor to hire
>> competent developers instead of adding hacks to FFmpeg :-)
> Seconded.
>> (I won't really object to this patch though, just giving my opinion).
> I will.  Installing atexit() handlers is unfriendly, and there are
> countless other ways a process can exit.

Sure, this also happens when ffmpeg is run from MSYS and is ctrl+c'd.

 > OS bugs should, in general,
> not be worked around in FFmpeg.

And FFmpeg should clean up its mess and not just call exit() when it 
seems fit, like matthieu pointed out. Any volunteers?

Ramiro Polla

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