feat: 支持 MJPEG 解码与 MSD 目录配置

- FFmpeg/hwcodec 增加 RKMPP MJPEG 解码与 RAM FFI，ARM 构建启用对应解码器
  - 共享视频管线新增 MJPEG 解码路径（RKMPP/TurboJPEG），优化 WebRTC 发送与 MJPEG 去重
  - MSD 配置改为 msd_dir 并自动创建子目录，接口与前端设置同步更新
  - 更新包依赖与版本号

web/package.json

@@ -1,7 +1,7 @@
 {
   "name": "web",
   "private": true,
-  "version": "0.0.0",
+  "version": "0.1.1",
   "type": "module",
   "scripts": {
     "dev": "vite",

web/src/components/ActionBar.vue

@@ -49,8 +49,10 @@ const systemStore = useSystemStore()
 const overflowMenuOpen = ref(false)
 
 // MSD is only available when HID backend is not CH9329 (CH9329 is serial-only, no USB gadget)
+const hidBackend = computed(() => (systemStore.hid?.backend ?? '').toLowerCase())
+const isCh9329Backend = computed(() => hidBackend.value.includes('ch9329'))
 const showMsd = computed(() => {
-  return props.isAdmin && systemStore.hid?.backend !== 'ch9329'
+  return props.isAdmin && !isCh9329Backend.value
 })
 
 const props = defineProps<{
@@ -310,5 +312,5 @@ const extensionOpen = ref(false)
   </div>
 
   <!-- MSD Dialog -->
-  <MsdDialog v-model:open="msdDialogOpen" />
+  <MsdDialog v-if="showMsd" v-model:open="msdDialogOpen" />
 </template>

web/src/components/VideoConfigPopover.vue

@@ -114,6 +114,7 @@ function detectBrowserCodecSupport() {
 
 // Check if a codec is supported by browser
 const isBrowserSupported = (codecId: string): boolean => {
+  if (codecId === 'mjpeg') return true
   return browserSupportedCodecs.value.has(codecId)
 }
 
@@ -704,7 +705,7 @@ watch(currentConfig, () => {
                   v-for="format in availableFormats"
                   :key="format.format"
                   :value="format.format"
-                  :class="['text-xs', { 'opacity-50': isFormatNotRecommended(format.format) }]"
+                  class="text-xs"
                 >
                   <div class="flex items-center gap-2">
                     <span>{{ format.description }}</span>

web/src/i18n/en-US.ts

@@ -502,6 +502,11 @@ export default {
     notAvailable: 'Not available',
     msdEnable: 'Enable MSD',
     msdEnableDesc: 'Enable to mount ISO images and virtual drives to the target machine',
+    msdCh9329Warning: 'HID backend is CH9329, MSD is unavailable',
+    msdCh9329WarningDesc: 'CH9329 is a serial HID backend and does not support USB Gadget MSD',
+    msdDir: 'MSD directory',
+    msdDirDesc: 'MSD base directory containing images/ and ventoy/ subfolders',
+    msdDirHint: 'Changing this rebuilds MSD and updates console capacity stats',
     willBeEnabledAfterSave: 'Will be enabled after save',
     disabled: 'Disabled',
     msdDesc: 'Mass Storage Device allows you to mount ISO images and virtual drives to the target machine. Use the MSD panel on the main page to manage images.',

web/src/i18n/zh-CN.ts

@@ -502,6 +502,11 @@ export default {
     notAvailable: '不可用',
     msdEnable: '启用 MSD',
     msdEnableDesc: '启用后可以挂载 ISO 镜像和虚拟驱动器到目标机器',
+    msdCh9329Warning: '当前 HID 后端为 CH9329，MSD 功能不可用',
+    msdCh9329WarningDesc: 'CH9329 为串口 HID 方案，不支持 USB Gadget 的 MSD 功能',
+    msdDir: 'MSD 目录',
+    msdDirDesc: 'MSD 根目录，内部包含 images/ 和 ventoy/ 两个子目录',
+    msdDirHint: '修改后会重建 MSD，控制台容量统计以该目录为准',
     willBeEnabledAfterSave: '保存后生效',
     disabled: '已禁用',
     msdDesc: '虚拟存储设备允许您将 ISO 镜像和虚拟驱动器挂载到目标机器。请在主页面的 MSD 面板中管理镜像。',

web/src/types/generated.ts

@@ -76,12 +76,8 @@ export interface HidConfig {
 export interface MsdConfig {
 	/** Enable MSD functionality */
 	enabled: boolean;
-	/** Storage path for ISO/IMG images */
-	images_path: string;
-	/** Path for Ventoy bootable drive file */
-	drive_path: string;
-	/** Ventoy drive size in MB (minimum 1024 MB / 1 GB) */
-	virtual_drive_size_mb: number;
+	/** MSD base directory (absolute path) */
+	msd_dir: string;
 }
 
 /** Driver type for ATX key operations */
@@ -511,9 +507,7 @@ export interface HidConfigUpdate {
 
 export interface MsdConfigUpdate {
 	enabled?: boolean;
-	images_path?: string;
-	drive_path?: string;
-	virtual_drive_size_mb?: number;
+	msd_dir?: string;
 }
 
 export interface RustDeskConfigUpdate {

web/src/views/SettingsView.vue

@@ -233,6 +233,7 @@ const config = ref({
   hid_serial_device: '',
   hid_serial_baudrate: 9600,
   msd_enabled: false,
+  msd_dir: '',
   network_port: 8080,
   encoder_backend: 'auto',
   // STUN/TURN settings
@@ -297,6 +298,8 @@ const selectedBackendFormats = computed(() => {
   return backend?.supported_formats || []
 })
 
+const isCh9329Backend = computed(() => config.value.hid_backend === 'ch9329')
+
 // Video selection computed properties
 import { watch } from 'vue'
 
@@ -536,6 +539,7 @@ async function loadConfig() {
       hid_serial_device: hid.ch9329_port || '',
       hid_serial_baudrate: hid.ch9329_baudrate || 9600,
       msd_enabled: msd.enabled || false,
+      msd_dir: msd.msd_dir || '',
       network_port: 8080, // 从旧 API 加载
       encoder_backend: stream.encoder || 'auto',
       // STUN/TURN settings
@@ -1499,6 +1503,10 @@ onMounted(async () => {
                 <CardDescription>{{ t('settings.msdDesc') }}</CardDescription>
               </CardHeader>
               <CardContent class="space-y-4">
+                <div v-if="isCh9329Backend" class="rounded-md border border-amber-200 bg-amber-50 px-3 py-2 text-sm text-amber-900">
+                  <p class="font-medium">{{ t('settings.msdCh9329Warning') }}</p>
+                  <p class="text-xs text-amber-900/80">{{ t('settings.msdCh9329WarningDesc') }}</p>
+                </div>
                 <div class="flex items-center justify-between">
                   <div class="space-y-0.5">
                     <Label for="msd-enabled">{{ t('settings.msdEnable') }}</Label>
@@ -1506,11 +1514,21 @@ onMounted(async () => {
                   </div>
                   <Switch
                     id="msd-enabled"
+                    :disabled="isCh9329Backend"
                     :model-value="config.msd_enabled"
                     @update:model-value="onMsdEnabledChange"
                   />
                 </div>
                 <Separator />
+                <div class="space-y-4">
+                  <div class="space-y-2">
+                    <Label for="msd-dir">{{ t('settings.msdDir') }}</Label>
+                    <Input id="msd-dir" v-model="config.msd_dir" placeholder="/etc/one-kvm/msd" :disabled="isCh9329Backend" />
+                    <p class="text-xs text-muted-foreground">{{ t('settings.msdDirDesc') }}</p>
+                  </div>
+                  <p class="text-xs text-muted-foreground">{{ t('settings.msdDirHint') }}</p>
+                </div>
+                <Separator />
                 <div class="flex items-center justify-between">
                   <div>
                     <p class="text-sm font-medium">{{ t('settings.msdStatus') }}</p>