1 files changed, 36 insertions, 0 deletions
diff --git a/bin/loop+encode+stream b/bin/loop+encode+stream
new file mode 100755
index 0000000..9387dcb
--- /dev/null
+++ b/bin/loop+encode+stream
@@ -0,0 +1,36 @@
+#!/bin/sh
+
+# TODO: Handle audio from secondary input
+
+set -e
+
+HOST=${1:-morla}
+if [ "$HOST" = "$(hostname --short)" ]; then
+	IP=127.0.0.1
+else
+	IP=$(host "$HOST" | grep -Po 'address \K\S+')
+fi
+
+FIRSTPORT=${2:-5002} # even number - next 3 ports used too
+
+ABITRATE=64000
+
+VBITRATE=500000
+
+TMPMOVIE=../tmp/omni/show0/earth.yuv
+
+# based on http://www.webmproject.org/docs/encoder-parameters/#real-time-cbr-encoding-and-streaming
+# + Drop frames, aggressively treat as static, and use fastest cpu
+ffmpeg -threads auto -re \
+ -stream_loop -1 -i "$TMPMOVIE" \
+ -codec:a libopus -ac 2 -b:a "$ABITRATE" -ar 48000 \
+ -vn \
+ -f rtp "rtp://$IP:$FIRSTPORT?pkt_size=1200" \
+ -an \
+ -codec:v vp8 -quality realtime -deadline realtime -cpu-used 15 \
+ -b:v "$VBITRATE" -minrate "$VBITRATE" -maxrate "$VBITRATE" \
+ -undershoot-pct 95 -bufsize $((6000*VBITRATE/1000)) -rc_init_occupancy $((4000*VBITRATE/1000)) \
+ -max-intra-rate 0 \
+ -qmin 4 -qmax 56 \
+ -static-thresh 500 -skip_threshold 50 \
+ -f rtp "rtp://$IP:$((FIRSTPORT+2))?pkt_size=1200"