add multi cam support

scripts/set_pipeline_mjpeg_passthrough.sh

@@ -2,7 +2,7 @@
 # Optimized pipeline for cameras that already output MJPEG format
 # Passes through MJPEG data without re-encoding
 
-SOCKET="/tmp/vizion_control.sock"
+SOCKET="${VIZION_SOCKET:-/tmp/vizion_control.sock}"
 PORT="${1:-8080}"
 
 # Check if gst-plugins-good with souphttpsink is available