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path: root/bin/encodevideo+loop+stream
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  1. #!/bin/sh
  2. set -e
  3. INPUT=../tmp/omni/show0/earth.yuv
  4. HOST=${1:-morla}
  5. if [ "$HOST" = "$(hostname --short)" ]; then
  6. IP=127.0.0.1
  7. else
  8. IP=$(host "$HOST" | grep -Po 'address \K\S+')
  9. fi
  10. FIRSTPORT=${2:-5002} # even number - next 3 ports used too
  11. VBITRATE=256000
  12. # based on http://www.webmproject.org/docs/encoder-parameters/#real-time-cbr-encoding-and-streaming
  13. # + Add 1s latency (deadline)
  14. # + Use same RTP payload types as GStreamer
  15. ffmpeg -hide_banner -threads auto -re \
  16. -stream_loop -1 -i "$INPUT" \
  17. -an \
  18. -pix_fmt yuv420p \
  19. -codec:v vp8 -quality realtime -deadline 1000000 -cpu-used 15 \
  20. -b:v "$VBITRATE" -minrate "$VBITRATE" -maxrate "$VBITRATE" \
  21. -undershoot-pct 95 -bufsize $((6000*VBITRATE/1000)) -rc_init_occupancy $((4000*VBITRATE/1000)) \
  22. -max-intra-rate 0 \
  23. -qmin 4 -qmax 56 \
  24. -f rtp -payload_type 100 "rtp://$IP:$((FIRSTPORT+2))?pkt_size=1200"