Herman Chen

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运行下 mpp_platform_test 和 mpp_runtime_test 看下

rk3328 有几个器件,内核驱动写成不同的设备: /dev/vpu_service 是 1080p 规格的解码器,包含 jpeg, h263, h264, mpeg2/4 这些 /dev/vepu 是 1080p 规格的编码器,包含 h264, vp8, jpeg /rkvdec 是 4K 规格的解码器,包含 h264, h265, vp9

运行下 mpp_platform_test 和 mpp_runtime_test 看下

To show task timing setprop mpp_debug 1 or export mpp_debug=1. The encoder put/get function is block mode only. The non-block mode need to notify when the input buffer is at...

The isp part is not in mpp

rk_vcodec is part of mpp. The timing is the hardware encoding time for each encoding task. The latency contain hardware working time and software time. https://github.com/rockchip-linux/mpp/blob/5b1156a47bc81462ce5d7c600d5a15b338dd4d82/mpp/mpp.cpp#L453-L456 Here you can enable...

最后一帧可能是写文件的时候没做 fflush?

这个是什么芯片平台?跑下 mpp_platform_test