Open nihui opened 10 months ago
1920x1080 jpg encoding on raspberry pi
opencv
+ libjpeg-turbo
v4l2-mem
/dev/null
for eliminating i/o timesoc | sw(ms) | sw-cpu-usage(%) | hw(ms) | hw-cpu-usage(%) | |
---|---|---|---|---|---|
rpib+ | BCM2835 | 766.26 | 97.2 | 41.36 | 41.8 |
rpi2 | BCM2836 | 185.87 | 100 | 29.92 | 22.4 |
rpi3b+ | BCM2837B0 | 65.02 | 100 | 22.69 | 23.8 |
rpi4b | BCM2711 | 31.81 | 100 | 14.91 | 16.9 |
rpi5b | BCM2712 | 15.83 | 100 | n/a | n/a |
cv::imread / cv::imdecode
cv::imwrite / cv::imencode
cv::VideoCapture