About 03_video_cuda_enc GOP

Autonomous Machines Jetson & Embedded Systems Jetson Nano
1

hi all ,now i test the sample 03_video_cuda_enc , i want to know how much is the GOP when i use the h264 enc，
i can not found that enc parameter can be set ,whether the enc GOP is a fixed value?

3

Hi,
The demonstration of setting I/IDR interval is in 01_video_encode. Please refer to it and add the options to 03_video_cuda_enc:

        -ifi <interval>       I-frame Interval [Default = 30]
        -idri <interval>      IDR Interval [Default = 256]
4

hi DaneLLL ,thanks for your answer ,another question is that whether the encode raw data can be NV21 format ,i do not found that support NV21 yuv format encode ,so why?

5

Hi,
NV21 is not supported. Please check hardware capability in document:
https://docs.nvidia.com/jetson/l4t/index.html#page/Tegra%2520Linux%2520Driver%2520Package%2520Development%2520Guide%2Fsoftware_features_jetson_nano.html%23wwpID0EWHA