[libcamera-devel] How to activate AGC control in libcamera, or set the GAIN/EXPOSURE parameter by v4l2 command.

Laurent Pinchart laurent.pinchart at ideasonboard.com
Tue Sep 29 02:19:42 CEST 2020


Hello Nomura-san,

On Tue, Sep 29, 2020 at 08:55:28AM +0900, tetsuya.nomura at soho-enterprise.com wrote:
> Dear Laurent-san
> 
> Thank you for your advice.
> 
> I've tried the "Save As" button, specify the file name, and saved, but I cannot find it there.

I'm surprised. If you run qcam in a console, does it print an error
message when it fails to save ?

> On the other hand, I could store the raw data starting with " qcam -s role=viewfinder -s role=stillraw".

-- 
Regards,

Laurent Pinchart


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