RK3566 H.264 Encoding Performance Issue

[avaf]

The default mode is 20 FPS. You need to set the 30 FPS mode for 1920x1080 frame size manually.

Low frame rate ( Zero 3w and 8m 219)

Currently, the imx219 driver supports 2 modes (kernel 5.10.y). 3280x2464@20fps mode (20 fps for all resolutions) 1920x1080@30fps mode (30 fps on 1920x1080) You need to set the mode you want. The default mode is 20 fps.