set parameters for width/height, add LD_LIBRARY_PATH

camera1/cam.py

@@ -8,6 +8,15 @@ import threading
 import os
 import stat
 
+WIDTH = 800
+HEIGHT = 600
+
+WIDTH  = 500
+HEIGHT = 450
+
+SCREEN_WIDTH = 800
+SCREEN_HEIGHT = 600
+
 def bus_call(bus, msg, *args):
 	if msg.type == Gst.MessageType.EOS:
 		print("End-of-stream")
@@ -25,8 +34,8 @@ def quit():
 
 def set_preview(val):
 	if val == 0:
-		videosrc.set_property("preview-x", 800)
-		videosrc.set_property("preview-y", 600)
+		videosrc.set_property("preview-x", SCREEN_WIDTH)
+		videosrc.set_property("preview-y", SCREEN_HEIGHT)
 	else:
 		videosrc.set_property("preview-x", 0)
 		videosrc.set_property("preview-y", 0)
@@ -39,7 +48,7 @@ def set_zoom(target):
 		direction = 1
 
 	target=min(target, 1)
-	target=max(target, 0.50)
+	target=max(target, 0.40)
 
 	while abs(target-zoom) > 0.01: #fuck IEEE floats
 		zoom = zoom + direction*0.015
@@ -96,10 +105,13 @@ def control():
 
 			
 if __name__ == "__main__":
+	if 'LD_LIBRARY_PATH' not in os.environ:
+		os.environ['LD_LIBRARY_PATH'] = '/usr/local/lib'
+		os.execv(sys.argv[0], sys.argv)
 	# initialization
 	Gst.init(None)
 
-	videocodec = "queue ! video/x-h264, width=800, height=600, framerate=24/1, profile=high ! h264parse ! rtph264pay config-interval=1"
+	videocodec = "queue ! video/x-h264, width=%d, height=%d, framerate=25/1, profile=high ! h264parse ! rtph264pay mtu=1360 config-interval=1" % (WIDTH, HEIGHT)
 	p = "rpicamsrc do-timestamp=true name=src ! "+videocodec+" ! multiudpsink name=out"
 	pipeline = Gst.parse_launch (p)
 	if pipeline == None:
@@ -108,15 +120,15 @@ if __name__ == "__main__":
 
 	videosrc = pipeline.get_by_name ("src")
 	videosrc.set_property("preview", 1)
-	videosrc.set_property("preview-w", 800)
-	videosrc.set_property("preview-h", 600)
+	videosrc.set_property("preview-w", WIDTH)
+	videosrc.set_property("preview-h", HEIGHT)
 	videosrc.set_property("fullscreen", False)
 	videosrc.set_property("bitrate", 900000)
 	videosrc.set_property("rotation", 180)
 	set_preview(0)
 
 	sink = pipeline.get_by_name ("out")
-	sink.set_property("clients", ",".join(["192.168.2.120:5000"]))
+	sink.set_property("clients", ",".join(["192.168.2.120:5000", "192.168.2.208:5000", "192.168.2.84:5000"]))
 	print(sink.get_property("clients"))
 
 	# run