From df8d12d0f26201d8e266beed28e91c1f7730daa2 Mon Sep 17 00:00:00 2001
From: Florian Schlegel <Florz@florz.net>
Date: Wed, 12 Aug 2020 02:45:03 +0200
Subject: [PATCH] neue Startscripte begonnen

---
 cam1/start.sh                        | 42 ++++++++++++++++++++++++++
 {cam2 => cam2_alt}/Start.sh          |  0
 {cam2 => cam2_alt}/interfaces        |  0
 terminal1/{Start.sh => Start_alt.sh} |  0
 terminal1/start.sh                   | 45 ++++++++++++++++++++++++++++
 5 files changed, 87 insertions(+)
 create mode 100755 cam1/start.sh
 rename {cam2 => cam2_alt}/Start.sh (100%)
 rename {cam2 => cam2_alt}/interfaces (100%)
 rename terminal1/{Start.sh => Start_alt.sh} (100%)
 create mode 100755 terminal1/start.sh

diff --git a/cam1/start.sh b/cam1/start.sh
new file mode 100755
index 0000000..cfd5671
--- /dev/null
+++ b/cam1/start.sh
@@ -0,0 +1,42 @@
+#! /bin/bash
+
+trap do_exit INT
+
+PIDS=""
+do_exit() {
+	kill $PIDS >/dev/null 2>&1
+	sleep 10
+	kill -9 $PIDS >/dev/null 2>&1
+	pkill -9 gst-launch-1.0
+}
+
+v4l2-ctl -d /dev/video0 --set-ctrl=power_line_frequency=1
+
+# provide video stream
+(
+	while true; do
+		gst-launch-1.0 -e rtpbin name=b rtp-profile=avpf uvch264src device=/dev/video0 name=src auto-start=true src.vidsrc ! video/x-raw,framerate=30/1,profile=high ! videoscale ! video/x-raw,width=1920,height=1080 ! videoconvert ! x264enc tune=zerolatency bitrate=7000 speed-preset=superfast key-int-max=15 ! rtph264pay ! rtpulpfecenc percentage=50 percentage-important=75 ! rtprtxqueue max-size-packets=1000 ! b.send_rtp_sink_0 b.send_rtp_src_0 ! udpsink host=terminal1 port=5001 udpsrc address=:: port=5002 ! b.recv_rtcp_sink_0 b.send_rtcp_src_0 ! udpsink host=terminal1 port=5003 sync=false async=false
+		sleep 1
+	done
+) &
+PIDS="$PIDS $!"
+
+# send audio stream
+(
+	while true; do
+		gst-launch-1.0 alsasrc device=plughw:2,0 ! audioconvert ! audioresample ! opusenc ! rtpopuspay !  udpsink host=terminal2 port=5003
+		sleep 1
+	done
+) &
+PIDS="$PIDS $!"
+
+# receive audio stream
+(
+	while true; do
+		gst-launch-1.0 udpsrc port=5002 caps="application/x-rtp" ! rtpjitterbuffer latency=20 do-lost=True ! rtpopusdepay ! opusdec plc=true !  alsasink  device=hw:1
+		sleep 1
+	done
+) &
+PIDS="$PIDS $!"
+
+wait $PIDS
diff --git a/cam2/Start.sh b/cam2_alt/Start.sh
similarity index 100%
rename from cam2/Start.sh
rename to cam2_alt/Start.sh
diff --git a/cam2/interfaces b/cam2_alt/interfaces
similarity index 100%
rename from cam2/interfaces
rename to cam2_alt/interfaces
diff --git a/terminal1/Start.sh b/terminal1/Start_alt.sh
similarity index 100%
rename from terminal1/Start.sh
rename to terminal1/Start_alt.sh
diff --git a/terminal1/start.sh b/terminal1/start.sh
new file mode 100755
index 0000000..99e9dda
--- /dev/null
+++ b/terminal1/start.sh
@@ -0,0 +1,45 @@
+#! /bin/bash
+
+trap do_exit INT
+
+PIDS=""
+do_exit() {
+        kill $PIDS >/dev/null 2>&1
+        sleep 10
+        kill -9 $PIDS >/dev/null 2>&1
+        pkill -9 gst-launch-1.0
+}
+
+export DISPLAY=:0
+(sleep 60; export DISPLAY=:0; xset s off; xset -dpms; xset s noblank) &
+
+# receive video stream from cam1
+(
+	while true; do
+		gst-launch-1.0 -e rtpbin name=b rtp-profile=avpf do-retransmission=true \
+		udpsrc address=:: port=5001 caps="application/x-rtp, media=(string)video, clock-rate=(int)90000, encoding-name=(string)H264, payload=(int)96" ! b.recv_rtp_sink_0 b. ! rtpulpfecdec ! rtph264depay ! decodebin ! videoconvert ! videoscale ! video/x-raw,width=1024,height=786 ! glimagesink \
+		udpsrc address=:: port=5003 ! b.recv_rtcp_sink_0 \
+		b.send_rtcp_src_0 ! udpsink host=cam1 port=5002 sync=false async=false &
+		GSTPID=$!
+		
+		while true; do
+			# rename window (FIXME: possible race condition with window for cam 2)
+			GSTXID="$(wmctrl -l | grep "OpenGL renderer" | cut -d" " -f1)" >/dev/null 2>&1
+			wmctrl -i -r "$GSTXID" -e 0,0,0,1000,1000 >/dev/null 2>&1
+			# wmctrl -i -r "$GSTXID" -e 0,1500,0,1000,1000 >/dev/null 2>&1
+			wmctrl -i -r "$GSTXID" -b add,fullscreen >/dev/null 2>&1
+			wmctrl -i -r "$GSTXID" -b add,above >/dev/null 2>&1
+			wmctrl -i -r "$GSTXID" -N gst-cam1 >/dev/null 2>&1 && break
+			kill -s 0 $GSTPID || break
+			sleep .2
+		done
+		
+		wait $GSTPID
+		sleep .2
+	done
+) &
+PIDS="$PIDS $!"
+
+
+
+wait $PIDS