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I am trying to use libvpx encoder for incoming h264 stream. It works good however it consumes too much cpu (around %50-60). Even when I start second ffmpeg encoder, the frames decreases to 4-5fps. How can I solve cpu consumption problem for libvpx codec on Mac Pro - M1 Pro chip ?

xxx  | ffmpeg -f h264 -i pipe:0 -f rtp -codec:v libvpx -filter:v scale=310:420 -preset ultrafast -minrate 500k -maxrate 500k -b:v 500k -crf 40 "rtp://localhost:12333?pkt_size=1200"

CPU Usage around %50-60 for one ffmpeg encoding. I installed ffmpeg using Macports. ffmepg version is 4.4.1

Thanks

donmezburak
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