compressed_vipc.py fixes (#32699)

* Restored VISION_STREAM_* to original index order

* Register exit handler

tools/camerastream/compressed_vipc.py

@@ -6,6 +6,7 @@ import argparse
 import numpy as np
 import multiprocessing
 import time
+import signal
 
 import cereal.messaging as messaging
 from msgq.visionipc import VisionIpcServer, VisionStreamType
@@ -18,8 +19,8 @@ V4L2_BUF_FLAG_KEYFRAME = 8
 
 ENCODE_SOCKETS = {
   VisionStreamType.VISION_STREAM_ROAD: "roadEncodeData",
-  VisionStreamType.VISION_STREAM_WIDE_ROAD: "wideRoadEncodeData",
   VisionStreamType.VISION_STREAM_DRIVER: "driverEncodeData",
+  VisionStreamType.VISION_STREAM_WIDE_ROAD: "wideRoadEncodeData",
 }
 
 def decoder(addr, vipc_server, vst, nvidia, W, H, debug=False):
@@ -147,10 +148,14 @@ if __name__ == "__main__":
 
   vision_streams = [
     VisionStreamType.VISION_STREAM_ROAD,
-    VisionStreamType.VISION_STREAM_WIDE_ROAD,
     VisionStreamType.VISION_STREAM_DRIVER,
+    VisionStreamType.VISION_STREAM_WIDE_ROAD,
   ]
 
   vsts = [vision_streams[int(x)] for x in args.cams.split(",")]
   cvipc = CompressedVipc(args.addr, vsts, args.nvidia, debug=(not args.silent))
+
+  # register exit handler
+  signal.signal(signal.SIGINT, lambda sig, frame: cvipc.kill())
+
   cvipc.join()