From 65a31f76d64fa9f4a944fa5ba9eb94e2a64412f8 Mon Sep 17 00:00:00 2001
From: Brad Stein <brad.stein@gmail.com>
Date: Wed, 25 Jun 2025 08:25:13 -0500
Subject: [PATCH] updated installer for gc311

---
 scripts/install-server.sh | 41 ++++++++++++++++++++++-----------------
 1 file changed, 23 insertions(+), 18 deletions(-)

diff --git a/scripts/install-server.sh b/scripts/install-server.sh
index f21f2b8..8e5c066 100755
--- a/scripts/install-server.sh
+++ b/scripts/install-server.sh
@@ -31,34 +31,39 @@ echo "==> 2b. Predictable /dev names for each capture card"
 # RULES
 
 # probe all v4l2 devices, keep only the two GC311 capture cards
-mapfile -t TAGS < <(
-    for v in /dev/video*; do
-        if udevadm info -q property -n "$v" | grep 'ID_USB_VENDOR_ID=07ca'; then
-            # extract the stable port token (ID_PATH_TAG=…)
-            udevadm info -q property -n "$v" |
-                awk -F= '/^ID_PATH_TAG=/{print $2}'
-        else
-          echo "GC311 not on $v"
-        fi
-    done | sort
+mapfile -t GC_VIDEOS < <(
+    v4l2-ctl --list-devices |
+        awk '/Live Gamer MINI/{getline; print $1}'
 )
 
-if [ "${#TAGS[@]}" -ne 2 ]; then
-    echo "❌  Exactly two GC311 devices must be attached!" >&2
+if [ "${#GC_VIDEOS[@]}" -ne 2 ]; then
+    echo "❌  Exactly two GC311 capture cards (index0) must be attached!" >&2
+    printf '   Detected: %s\n' "${GC_VIDEOS[@]}"
     exit 1
 fi
 
+mapfile -t TAGS < <(
+    for v in "${GC_VIDEOS[@]}"; do
+        udevadm info -q property -n "$v" |
+          awk -F= '/^ID_PATH_TAG=/{print $2}'
+    done
+)
+
+printf '   ↪ Left  card: %s  (%s)\n' "${GC_VIDEOS[0]}" "${TAGS[0]}"
+printf '   ↪ Right card: %s  (%s)\n' "${GC_VIDEOS[1]}" "${TAGS[1]}"
+
 LEFT_TAG=${TAGS[0]}
 RIGHT_TAG=${TAGS[1]}
 
-cat <<EOF | sudo tee /etc/udev/rules.d/85-gc311.rules
-# auto‑generated by install‑server.sh  –  DO NOT EDIT
-SUBSYSTEM=="video4linux", ATTRS{idVendor}=="07ca", ATTRS{idProduct}=="3311", \\
-ATTRS{index}=="0", ENV{ID_PATH_TAG}=="$LEFT_TAG",  SYMLINK+="lesavka_l_eye"
+sudo tee /etc/udev/rules.d/85-gc311.rules >/dev/null <<EOF
+# auto‑generated by install‑server.sh – DO NOT EDIT
+SUBSYSTEM=="video4linux", ATTRS{idVendor}=="07ca", ATTRS{idProduct}=="3311", \
+  ATTRS{index}=="0", ENV{ID_PATH_TAG}=="$LEFT_TAG",  SYMLINK+="lesavka_l_eye"
 
-SUBSYSTEM=="video4linux", ATTRS{idVendor}=="07ca", ATTRS{idProduct}=="3311", \\
-ATTRS{index}=="0", ENV{ID_PATH_TAG}=="$RIGHT_TAG", SYMLINK+="lesavka_r_eye"
+SUBSYSTEM=="video4linux", ATTRS{idVendor}=="07ca", ATTRS{idProduct}=="3311", \
+  ATTRS{index}=="0", ENV{ID_PATH_TAG}=="$RIGHT_TAG", SYMLINK+="lesavka_r_eye"
 EOF
+
 sudo udevadm control --reload
 sudo udevadm trigger --subsystem-match=video4linux
 udevadm settle