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path: root/bin/encode+stream
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  1. #!/bin/sh
  2. set -e
  3. HOST=${1:-morla}
  4. if [ "$HOST" = "$(hostname --short)" ]; then
  5. IP=127.0.0.1
  6. else
  7. IP=$(host "$HOST" | grep -Po 'address \K\S+')
  8. fi
  9. FIRSTPORT=${2:-5002} # even number - next 3 ports used too
  10. BITRATE=500000
  11. TMPMOVIE=../tmp/omni/show0/earth.yuv
  12. # based on http://www.webmproject.org/docs/encoder-parameters/#real-time-cbr-encoding-and-streaming
  13. # + Drop frames, aggressively treat as static, and use fastest cpu
  14. ffmpeg -threads auto -re \
  15. -stream_loop -1 -i "$TMPMOVIE" \
  16. -an \
  17. -codec:v vp8 -quality realtime -deadline realtime -cpu-used 15 \
  18. -b:v "$BITRATE" -minrate "$BITRATE" -maxrate "$BITRATE" \
  19. -undershoot-pct 95 -bufsize $((6000*BITRATE/1000)) -rc_init_occupancy $((4000*BITRATE/1000)) \
  20. -max-intra-rate 0 \
  21. -qmin 4 -qmax 56 \
  22. -static-thresh 500 -skip_threshold 50 \
  23. -f rtp "rtp://$IP:$((FIRSTPORT+2))?pkt_size=1200"