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Wed Jan 31 17:49:38 CET 2007 · https://ffmpeg.org/pipermail/ffmpeg-devel/2007-January/028337.html

Ramiro Polla wrote:
> Michel Bardiaux wrote:
>> M?ns Rullg?rd wrote:
>> [snip]
>>>
>>> That said, I don't like the design of the grabbing code at all.  
>>> IMHO it would
>>> be much cleaner to simply run ffmpeg -f v4l2 -i /dev/video0 or 
>>> whatever,
>>> dropping the whole concept of a default grabbing device used if no 
>>> input is
>>> specified.
>>>
>> FWIW I agree.
>>
> Me too =).
>
> The code for using a default grabbing device is really buggy (the 
> grabbing interfaces depend on what has been set for output).
It seems this would be just removing a bunch of redundant code (like 
Michael said), and making few adaptations to the existing -i code.
One problem with -i <grab device> is when you want to use the default 
grab device. This could be accomplished by (some suggestions):
a) using the '-' character
b) making -grab mean -i <default device>.

Ramiro Polla

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Showing content from https://ffmpeg.org/pipermail/ffmpeg-devel/2007-January/028337.html below:

[Ffmpeg-devel] Re: [PATCH] Configure selectable video grab format