feat: 深入适配 RK628D CSI 采集卡的设备识别、参数读取、自恢复和音频采集

web/src/i18n/en-US.ts

@@ -240,6 +240,8 @@ export default {
     fps: 'Frame Rate',
     selectFps: 'Select FPS',
     noVideoDevices: 'No video devices detected',
+    noSignalDetected: 'No HDMI signal detected. Please connect an HDMI cable and refresh.',
+    refreshDevices: 'Refresh Devices',
     // Audio
     audioDevice: 'Audio Device',
     selectAudioDevice: 'Select audio capture device',
@@ -310,6 +312,33 @@ export default {
     configChanging: 'Applying new configuration...',
     videoRestarted: 'Video stream updated',
     streamError: 'Stream error',
+    // Four canonical video states (backend StreamStateChanged: streaming /
+    // no_signal / device_lost / device_busy).  `reason` provides optional
+    // fine-grained diagnostic sub-text.
+    signal: {
+      noSignal: {
+        title: 'Waiting for video signal',
+        detail: 'Capture device is ready, waiting for the target to output video',
+      },
+      deviceLost: {
+        title: 'Video device offline',
+        detail: 'Capture card is not responding, attempting to re-detect…',
+      },
+      deviceBusy: {
+        title: 'Video channel busy',
+        detail: 'Applying a new configuration or another component is using the device, please wait…',
+      },
+      reason: {
+        no_cable: 'HDMI cable not detected — check the cable and that the target is powered on',
+        no_sync: 'Unstable signal: timings could not be locked — try a lower resolution or refresh rate',
+        out_of_range: 'Resolution or refresh rate exceeds capture capability — try 1080p60 or below',
+        no_signal: 'Capture card is ready, waiting for a picture…',
+        recovering: 'Reconnecting the video device automatically',
+        device_lost: 'Video node disappeared, waiting for the driver to recover',
+        config_changing: 'Applying new configuration',
+        mode_switching: 'Switching video mode',
+      },
+    },
     // WebRTC
     webrtcConnected: 'WebRTC Connected',
     webrtcConnectedDesc: 'Using low-latency H.264 video stream',

web/src/i18n/zh-CN.ts

@@ -240,6 +240,8 @@ export default {
     fps: '帧率',
     selectFps: '选择帧率',
     noVideoDevices: '未检测到视频设备',
+    noSignalDetected: '未检测到 HDMI 信号，请连接 HDMI 线缆后刷新。',
+    refreshDevices: '刷新设备',
     // Audio
     audioDevice: '音频设备',
     selectAudioDevice: '选择音频采集设备',
@@ -310,6 +312,32 @@ export default {
     configChanging: '正在应用新配置...',
     videoRestarted: '视频流已更新',
     streamError: '视频流错误',
+    // 四档视频状态（对应后端 StreamStateChanged：streaming / no_signal /
+    // device_lost / device_busy）.  `reason` 子键可选，用于在副文案中补充细节。
+    signal: {
+      noSignal: {
+        title: '暂无视频信号',
+        detail: '采集卡已就绪，正在等待被控机画面',
+      },
+      deviceLost: {
+        title: '视频设备已断开',
+        detail: '采集卡离线，正在尝试重新识别…',
+      },
+      deviceBusy: {
+        title: '视频通道忙',
+        detail: '正在切换配置或被其他组件占用，请稍候…',
+      },
+      reason: {
+        no_cable: '未检测到 HDMI 线缆，请检查连接或被控机是否已开机',
+        no_sync: '信号不稳定，无法锁定时序，可尝试降低被控机分辨率/刷新率',
+        out_of_range: '分辨率或刷新率超出采集卡能力，建议切换到 1080p60 以内',
+        no_signal: '采集卡已就绪，正在等待画面…',
+        recovering: '正在自动重连视频设备',
+        device_lost: '视频节点丢失，等待驱动恢复',
+        config_changing: '正在应用新配置',
+        mode_switching: '正在切换视频模式',
+      },
+    },
     // WebRTC
     webrtcConnected: 'WebRTC 已连接',
     webrtcConnectedDesc: '正在使用 H.264 低延迟视频流',