[FFmpeg-user] Optimizing CPU Utilization

Reindl Harald h.reindl at thelounge.net
Tue Mar 21 11:28:52 EET 2017

Am 21.03.2017 um 04:10 schrieb Ankit Gupta:
> Need help regarding resources utilization of ffmpeg while generating .m3u8
> from RTSP feed.
> I am using following command for .m3u8 generation from RTSP
> ffmpeg -rtsp_transport tcp -i {RTSP} -c:v libx264 -crf 35 -preset ultrafast
> -maxrate 3M -bufsize 100K -r 50 -g 100 -movflags +faststart -tune
> zerolatency -hls_time 1 -hls_list_size 4 -hls_wrap4 -start_number 1
> -hls_allow_cache 0 -threads 1 -loglevel warning -y {PATHM3U8}
> This is on demand streaming. Let us say I have five camera. User clicks on
> live camera request of any one, that starts one instance of FFMpeg with
> above command. Its taking a lot of memory and CPU resources? Any thoughts
> on how to optimize it?

it takes what it takes

waht sense makes it to only use a small percent of available CPU power 
and make things just slower?

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