From ebf683d88a96bdef264318f3cef165bd17dc6b72 Mon Sep 17 00:00:00 2001
From: Jonas Smedegaard <dr@jones.dk>
Date: Sun, 16 Apr 2017 14:43:57 +0200
Subject: Fork encode+stream as encodevideo+loop+stream.

---
 bin/encodevideo+loop+stream | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100755 bin/encodevideo+loop+stream

(limited to 'bin/encodevideo+loop+stream')

diff --git a/bin/encodevideo+loop+stream b/bin/encodevideo+loop+stream
new file mode 100755
index 0000000..0decf10
--- /dev/null
+++ b/bin/encodevideo+loop+stream
@@ -0,0 +1,29 @@
+#!/bin/sh
+
+set -e
+
+HOST=${1:-morla}
+if [ "$HOST" = "$(hostname --short)" ]; then
+	IP=127.0.0.1
+else
+	IP=$(host "$HOST" | grep -Po 'address \K\S+')
+fi
+
+FIRSTPORT=${2:-5002} # even number - next 3 ports used too
+
+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 "$TMPMOVIE" \
+ -an \
+ -codec:v vp8 -quality realtime -deadline realtime -cpu-used 15 \
+ -b:v "$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"
-- 
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