Get the same roi from preview and still

Claudio_Berti

Is it possible to obtain the same roi from preview and still outputs? I would like to obtain a scaled, more fluid version of still image in the preview, and when key 's' is hit the script saves the frame from still channel at high resolution.
However with Oak-1 Max at 32MP resolution (THE_5312X6000), I am not able to set preview to the same roi, scaled version)
Thanks

jakaskerl

Claudio_Berti
Preview is limited to 4K. If you want full FOV, you can downscale the whole image with setIspScale. Note, it has to be below 4K and has to keep the same aspect ratio, otherwise FOV is lost.
Thanks,
Jaka

Claudio_Berti

Thanks @jakaskerl for the answer. However if I use setIspScale(1, 2) or setIspScale(1, 4) I am not able to retrieve the full resolution image at (5312x6000) but the scaled version. Actually I need both the full resolution and the scaled version: the full resolution at 5312x6000 for postprocessing and a scaled version (e.g. 664*750) for streaming. Is it possible to get it from video stream?
I am getting them from the raw stream at THE_5312X6000 resolution and resizing but introduces a lot of latency. Is there any better method?

Thanks

jakaskerl

Claudio_Berti
It's possible if you use isp output to retrieve a full FOV and res image. Keep in mind, this is a very high resolution for streaming and will likely cause low FPS / bandwidth issues.

Thanks,
Jaka