[libcamera-devel] Video recording on PinePhone Re: libcamera on pinephone

[Pavel Machek]

Hi!

> build/src/cam/cam  -c /base/i2c-csi/rear-camera at 4c -spixelformat=JPEG,width=1920,height=1080 -C2000 -F/tmp/delme2.jpg
> 
> somehow work, and result can be decoded using
> 
> time gst-launch-1.0 filesrc location=delme.unk ! jpegparse ! filesink
> location=delme2.unk sync=false
> 
> or recoverjpeg, but I'm not getting 30fps. Any idea how to debug that?
> Cam gives this output:

> 74020.783102 (30.01 fps) cam0-stream0 seq: 000001 bytesused: 2073600
> 74020.883095 (10.00 fps) cam0-stream0 seq: 000004 bytesused: 2073600
> 74020.949774 (15.00 fps) cam0-stream0 seq: 000006 bytesused: 2073600
> 74021.016443 (15.00 fps) cam0-stream0 seq: 000008 bytesused: 2073600
> 74021.049787 (29.99 fps) cam0-stream0 seq: 000009 bytesused: 2073600
> 74021.116423 (15.01 fps) cam0-stream0 seq: 000011 bytesused: 2073600
> 74021.183135 (14.99 fps) cam0-stream0 seq: 000013 bytesused: 2073600

I just noticed that if I don't enable file output, I'm geting nice
30fps. Hmm. I am outputting 60MB/sec, but with 3GB RAM, it should be
possible to sustain that for a while...

Best regards,
								Pavel
-- 
People of Russia, stop Putin before his war on Ukraine escalates.
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