Merge branch 'feat_uvc_gadget'

1. fix: ensure mjpg and yuyv formats both exist.
2. feat: add support for mjpeg streaming with mask 0x80.
3. feat: add support for auto config formats and set resolution limit.

buildroot/board/cvitek/SG200X/overlay/etc/init.d/uvc_tool.sh

@@ -6,7 +6,7 @@ supported_formats="yuyv mjpg"
 
 # 支持的分辨率，可以通过修改这个变量自定义支持的分辨率
 # Supported resolutions, you can customize the list by modifying this variable
-supported_resolutions="640x360 1280x720 1920x1080"
+supported_resolutions="480x320 640x360 640x480 1280x720 1920x1080"
 
 
 parse_uvc_config() {
@@ -72,17 +72,27 @@ parse_uvc_config() {
 		' "$input_file")
 	fi
 
+	# 确保至少包含 'mjpg' 和 'yuyv' 格式 / Ensure at least one 'mjpg' and 'yuyv' format exists
+	has_mjpg=$(echo "$parsed_data" | grep -w "mjpg")
+	has_yuyv=$(echo "$parsed_data" | grep -w "yuyv")
+
+	if [ -z "$has_mjpg" ]; then
+		echo "Warn: No 'mjpg' config found, adding default 'mjpg 640 360'." 1>&2
+		parsed_data="$parsed_data"$'\n'"mjpg 640 360"
+	fi
+
+	if [ -z "$has_yuyv" ]; then
+		echo "Warn: No 'yuyv' config found, adding default 'yuyv 640 360'." 1>&2
+		parsed_data="$parsed_data"$'\n'"yuyv 640 360"
+	fi
+
 	# 如果没有解析到任何数据，或者文件不可读取，则返回默认值 / If no data is parsed or file is unreadable, return default values
 	if [ -z "$parsed_data" ]; then
 		echo "Warn: No valid config, using default instead." 1>&2  # 输出到标准错误 / Output to stderr
-		parsed_data=$(
-			echo "mjpg 640 360"  # 默认值 / Default value
-			echo "yuyv 640 360"  # 默认值 / Default value
-		)
+		parsed_data="mjpg 640 360"$'\n'"yuyv 640 360"
 	fi
 
 	echo "$parsed_data"  # 返回解析的数据 / Return the parsed data
-
 }