blob: 01ef12da473ec3516cd920dc0cabd105a1ec790c (
plain)
- #!/bin/sh
- set -e
- HOST=${1:-morla}
- if [ "$HOST" = "$(hostname --short)" ]; then
- IP=127.0.0.1
- else
- IP=$(host "$HOST" | grep -Po 'address \K\S+')
- fi
- PORT=${2:-5004}
- SIZE=640x360
- MOVIE=../src/omni/show0/earth.mp4
- LOGO=../../content/icon_small.png
- # based on http://video.stackexchange.com/a/16933
- # + codec options from http://www.webmproject.org/docs/encoder-parameters/
- # example "Real-time CBR Encoding and Streaming"
- # (bufsize = 6000 * 500k / 1000)
- # (rc_init_occupancy = 4000 * 500k / 1000)
- # + Drop frames, aggressively treat as static, and use fastest cpu
- ffmpeg -threads auto -re \
- -f lavfi -i "movie=filename=$MOVIE:loop=0, setpts=N/(FRAME_RATE*TB), scale=$SIZE" \
- -i "$LOGO" -filter_complex 'overlay=main_w-overlay_w-20:main_h-overlay_h-20' \
- -codec:v vp8 -quality realtime -deadline realtime -cpu-used 15 \
- -b:v 500k -minrate 500k -maxrate 500k \
- -undershoot-pct 95 -bufsize 3M -rc_init_occupancy 2M \
- -max-intra-rate 0 \
- -qmin 4 -qmax 56 \
- -static-thresh 500 -skip_threshold 50 \
- -an -f rtp "rtp://$IP:$PORT?pkt_size=1200"
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