Hi,
I have an Zero2W running latest Pi OS lite and an HQ camera (imx477).
Running libcamera-still to capture a single 12Mpix image and save to SD takes around 3.8s:
at 640x480 this comes down to 1.3s:
Are these times within expected norms?
Thanks,
I have an Zero2W running latest Pi OS lite and an HQ camera (imx477).
Running libcamera-still to capture a single 12Mpix image and save to SD takes around 3.8s:
Code:
$ time libcamera-still -v0 --immediate -o out.jpgreal 0m3.799suser 0m0.718ssys 0m0.207sCode:
$ time libcamera-still --width=640 --height=480 -v0 --immediate -o ~/out.jpgreal 0m1.268suser 0m0.248ssys 0m0.068sThanks,
Code:
$ exiftool out.jpg ExifTool Version Number : 12.40File Name : out.jpgDirectory : .File Size : 1423 KiBFile Modification Date/Time : 2024:12:15 18:51:37+00:00File Access Date/Time : 2024:12:15 18:51:37+00:00File Inode Change Date/Time : 2024:12:15 18:51:37+00:00File Permissions : -rw-r--r--File Type : JPEGFile Type Extension : jpgMIME Type : image/jpegExif Byte Order : Little-endian (Intel, II)Make : Raspberry PiCamera Model Name : imx477Software : rpicam-appsModify Date : 2024:12:15 18:51:36Exposure Time : 1/15ISO : 800Date/Time Original : 2024:12:15 18:51:36Create Date : 2024:12:15 18:51:36Compression : JPEG (old-style)Thumbnail Offset : 304Thumbnail Length : 2106Image Width : 4056Image Height : 3040Encoding Process : Baseline DCT, Huffman codingBits Per Sample : 8Color Components : 3Y Cb Cr Sub Sampling : YCbCr4:2:0 (2 2)Image Size : 4056x3040Megapixels : 12.3Shutter Speed : 1/15Thumbnail Image : (Binary data 2106 bytes, use -b option to extract)Statistics: Posted by dave.l — Sun Dec 15, 2024 6:57 pm