123

lib/services/usb_camera_service.dart

@@ -141,8 +141,8 @@ class UsbCameraService {
       await _controller.openCamera(
         deviceId,
         request: const CameraRequest(
-          previewWidth: 640,
-          previewHeight: 480,
+          previewWidth: 1280,
+          previewHeight: 720,
           renderMode: RenderMode.opengl,
           previewFormat: PreviewFormat.mjpeg,
         ),
@@ -171,8 +171,8 @@ class UsbCameraService {
       await _controller.openCamera(
         deviceId,
         request: request ?? const CameraRequest(
-          previewWidth: 640,
-          previewHeight: 480,
+          previewWidth: 1280,
+          previewHeight: 720,
           renderMode: RenderMode.opengl,
           previewFormat: PreviewFormat.mjpeg,
         ),

lib/views/home/index/widgets/camera_controls.dart

@@ -47,20 +47,22 @@ class CameraControls extends StatelessWidget {
           enabled: true, // 刷新按钮始终可用
         ),
         SizedBox(width: 16.w),
-        _buildControlButton(
-          icon: Icons.camera_alt,
-          onPressed: cameraReady ? onTakePhoto : null,
-          tooltip: '拍照',
-          enabled: cameraReady,
-        ),
-        SizedBox(width: 16.w),
-        _buildControlButton(
-          icon: isRecording ? Icons.stop : Icons.videocam,
-          onPressed: cameraReady ? onToggleRecord : null,
-          tooltip: isRecording ? '停止录像' : '开始录像',
-          isActive: isRecording,
-          enabled: cameraReady,
-        ),
+        // todo 放大，全屏
+
+        // _buildControlButton(
+        //   icon: Icons.camera_alt,
+        //   onPressed: cameraReady ? onTakePhoto : null,
+        //   tooltip: '拍照',
+        //   enabled: cameraReady,
+        // ),
+        // SizedBox(width: 16.w),
+        // _buildControlButton(
+        //   icon: isRecording ? Icons.stop : Icons.videocam,
+        //   onPressed: cameraReady ? onToggleRecord : null,
+        //   tooltip: isRecording ? '停止录像' : '开始录像',
+        //   isActive: isRecording,
+        //   enabled: cameraReady,
+        // ),
       ],
     );
   }

lib/views/home/index/widgets/monitoring_screen.dart

@@ -171,7 +171,10 @@ class _MonitoringScreenState extends State<MonitoringScreen> {
   Widget _buildCameraPreview() {
     return ClipRRect(
       borderRadius: BorderRadius.circular(20.r),
-      child: const UsbCameraPreview(),
+      child: const AspectRatio(
+        aspectRatio: 16 / 9,
+        child: UsbCameraPreview(),
+      ),
     );
   }