64MP - Unable to capture still at full resolution for png encoding - failed to allocate buffer

Edward · October 10, 2022, 8:19am

For saving png you can try my newly written example.

edward-ardu/picamera2_example/blob/main/SavePng

#!/usr/bin/python3

import cv2
import time
from picamera2 import Picamera2, Preview

import os
os.environ.pop("QT_QPA_PLATFORM_PLUGIN_PATH")


picam2 = Picamera2()

preview_config = picam2.create_preview_configuration(main={"size": (800, 600)})
config = picam2.create_still_configuration(main={"size": (9152, 6944), "format": "RGB888"}, buffer_count=1)

picam2.configure(preview_config)
picam2.start_preview(Preview.QTGL)

picam2.start()
time.sleep(1)

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I took the data out and saved it with opencv and it did save it. And saving directly with picamera2 did not work for me.

hikinghack · January 20, 2023, 2:18am

not sure if this is the exact right spot to share this, but i couldn’t save my images at full res, and sometimes id get the error that the camera wouldn’t start

and then

I Disabled touchscreen
(in /boot/config.txt add this line)
disable_touchscreen=1

and now it works for some reason?

hikinghack · November 7, 2023, 1:21pm

I can confirm that like @bigollie93 , i can only save PNGs from libcamera at 9000x6000