add GStreamer helper scripts

scripts/set_pipeline_file.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+# Set pipeline for recording to file
+
+SOCKET="/tmp/vizion_control.sock"
+FILE="${1:-/tmp/vizion_recording.mp4}"
+
+echo "Setting file recording pipeline to $FILE..."
+echo "{\"command\":\"set_pipeline\",\"params\":{\"pipeline\":\"videoconvert ! x264enc ! mp4mux ! filesink location=$FILE\"}}" | socat - UNIX-CONNECT:$SOCKET
+
+echo ""
+echo "Pipeline set. Start recording with start_stream.sh"
+echo "Recording will be saved to: $FILE"