fix

patch/display.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+#tty清屏
+echo -e "\033c" > /dev/tty1
+
+#隐藏光标
+echo -e "\033[?25l" > /dev/tty1
+
+#在HDMI显示器输出采集卡画面
+ustreamer-dump  --sink=kvmd::ustreamer::jpeg  --output - | ffmpeg  -use_wallclock_as_timestamps 1 -i pipe:c:v -an -pix_fmt bgr24 -f fbdev /dev/fb0

patch/display_when_ustream_exists

@@ -0,0 +1,43 @@
+#!/bin/bash
+
+# 存储 stream.sh 的进程 ID
+b_pid=""
+
+
+cleanup() {
+    echo "Received SIGINT. Terminating the process group..."
+    [ -n "$b_pid" ] && pkill -9 -g $b_pid  # 终止整个进程组
+    exit 0
+}
+
+# 捕获 SIGINT 信号
+trap cleanup SIGINT
+
+
+while true; do
+    # 检测是否有包含 "ustreamer" 的进程
+    if pgrep -f "/usr/bin/ustreamer " > /dev/null; then
+        # 如果存在，但是 stream.sh 进程不存在，执行 stream.sh 并记录其进程 ID
+        if [ -z "$b_pid" ]; then
+            echo "Found a process with 'ustreamer' in the command. Executing stream.sh in the background..."
+            setsid /usr/share/kvmd/diaplay.sh &
+            b_pid=$(ps -o pgid= $!)
+            echo "stream.sh started with PID: $b_pid"
+        else
+            echo "Process with 'ustreamer' is already running. Skipping..."
+        fi
+    else
+        # 如果不存在 "ustreamer" 进程，但是 stream.sh 进程存在，终止 stream.sh 并清除进程 ID
+        if [ -n "$b_pid" ]; then
+            echo "No process with 'ustreamer' found. Terminating stream.sh (PID: $b_pid)..."
+            pkill -9 -g $b_pid
+            b_pid=""
+        else
+            echo "No process with 'ustreamer' found. Waiting for the next check..."
+        fi
+    fi
+
+    # 等待一段时间，可以根据需要调整等待的时间间隔
+    sleep 1  
+
+done