fix: Set up depth stream properly

package/ios/Core/CameraSession+Configuration.swift

@@ -128,11 +128,11 @@ extension CameraSession {
         let depthOutput = AVCaptureDepthDataOutput()
         depthOutput.alwaysDiscardsLateDepthData = true
         depthOutput.isFilteringEnabled = false
-        // 3.2. Set up a synchronizer between video and depth data
+        // 3.2. Add depth output to session
+        captureSession.addOutput(depthOutput)
+        // 3.3. Set up a synchronizer between video and depth data
         outputSynchronizer = AVCaptureDataOutputSynchronizer(dataOutputs: [depthOutput, videoOutput])
         outputSynchronizer!.setDelegate(self, queue: CameraQueues.videoQueue)
-        // 3.3. Add depth output to session
-        captureSession.addOutput(depthOutput)
         self.depthOutput = depthOutput
       } else {
         // Video is the only output - use it's own delegate

package/src/devices/getCameraFormat.ts

@@ -74,6 +74,10 @@ export interface FormatFilter {
    * you might want to choose a different auto-focus system.
    */
   autoFocusSystem?: AutoFocusSystem
+  /**
+   * Specifies whether to prefer formats that support depth data capture.
+   */
+  depth?: boolean
 }
 
 type FilterWithPriority<T> = {
@@ -236,6 +240,12 @@ export function getCameraFormat(device: CameraDevice, filters: FormatFilter[]):
       if (format.autoFocusSystem === filter.autoFocusSystem.target) rightPoints += filter.autoFocusSystem.priority
     }
 
+    // Find depth data
+    if (filter.depth != null) {
+      if (bestFormat.supportsDepthCapture) leftPoints += filter.depth.priority
+      if (format.supportsDepthCapture) rightPoints += filter.depth.priority
+    }
+
     if (rightPoints > leftPoints) bestFormat = format
   }