FFMPEG Command to Download RTSP Raw Video Stream to a MP4 Video File in Command Line

 

 

If you are reencoding in your ffmpeg command line, that may be the reason why it is CPU intensive. You need to simply copy the streams to the single container. Since I do not have your command line I cannot suggest a specific improvement here. Your acodec and vcodec should be set to copy is all I can say.

EDIT: On seeing your command line and given you have already tried it, this is for the benefit of others who come across the same question. The command:

 

 

 

 

With this command I had poor image quality

With this, almost without delay, I got good image quality.

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