fix: Apply session-config dependent properties in configure()

packages/react-native-vision-camera/ios/Extensions/AVFoundation/AVCaptureSession+addAudioInput.swift

@@ -37,7 +37,7 @@ extension AVCaptureSession {
 
   private func getDefaultMicrophone() throws -> AVCaptureDevice {
     // TODO: Make microphone input selectable from JS
-    if #available(iOS 18.0, *) {
+    if #available(iOS 17.0, *) {
       if let microphone = AVCaptureDevice.default(.microphone, for: .audio, position: .unspecified) {
         return microphone
       }

packages/react-native-vision-camera/ios/Hybrid Objects/Outputs/HybridCameraFrameOutput.swift

@@ -61,18 +61,18 @@ final class HybridCameraFrameOutput: HybridCameraFrameOutputSpec, NativeCameraOu
     output.alwaysDiscardsLateVideoFrames = options.dropFramesWhileBusy
     // JS configures the video resolution, we don't want to downscale here by default.
     output.automaticallyConfiguresOutputBufferDimensions = false
-    if #available(iOS 26.0, *), output.isDeferredStartSupported {
-      // Deferred start allows the Session to delay this output's startup in favor
-      // of preview-related outputs to make preview appear faster.
-      output.isDeferredStartEnabled = options.allowDeferredStart
-    }
     // TODO: Add a flag called `allowBufferResizing` and probably get rid of `enablePreviewSizedOutputBuffers`
     //       If `allowBufferResizing` is true, we can set `.videoSettings`/dimensions here to `options.targetResolution`
     //       and `targetResolution` to `.any` (to not participate in resolution negotiations).
     //       If `allowBufferResizing` is false, we don't set `.videoSettings` ("native" resolution), and reflect our
     //       target resolution via `targetResolution` to participate in resolution negotiations.
-    if #available(iOS 17.0, *), options.enablePreviewSizedOutputBuffers {
-      output.deliversPreviewSizedOutputBuffers = true
+    if #available(iOS 13.0, *) {
+      output.deliversPreviewSizedOutputBuffers = options.enablePreviewSizedOutputBuffers
+    }
+    if #available(iOS 26.0, *), output.isDeferredStartSupported {
+      // Deferred start allows the Session to delay this output's startup in favor
+      // of preview-related outputs to make preview appear faster.
+      output.isDeferredStartEnabled = options.allowDeferredStart
     }
     if #available(iOS 26.0, *) {
       // We don't need HDR metadata, as that's only useful for encoders.

packages/react-native-vision-camera/ios/Hybrid Objects/Outputs/HybridCameraPhotoOutput.swift

@@ -56,23 +56,6 @@ final class HybridCameraPhotoOutput: HybridCameraPhotoOutputSpec, NativeCameraOu
     super.init()
 
     output.maxPhotoQualityPrioritization = options.qualityPrioritization.toAVQualityPrioritization()
-
-    if options.containerFormat == .dng {
-      // If we capture RAW photos, try using Apple ProRAW. If not, Bayer14 RAW will be used.
-      output.isAppleProRAWEnabled = output.isAppleProRAWSupported
-    }
-
-    if #available(iOS 26, *),
-      output.isCameraSensorOrientationCompensationSupported
-    {
-      // Don't rotate Photo buffers - we handle orientation later on in file capture or toImage().
-      output.isCameraSensorOrientationCompensationEnabled = false
-    }
-
-    // Prepare the default Photo Settings to make the pipeline ready - some things (like flashMode)
-    // might change on a per-capture basis, but containerFormat and preview size is already known
-    // and can be prepared already.
-    try? prepareDefaultPhotoSettings()
   }
 
   func configure(config: CameraOutputConfiguration) {
@@ -82,6 +65,17 @@ final class HybridCameraPhotoOutput: HybridCameraPhotoOutputSpec, NativeCameraOu
     try? connection.setOrientation(outputOrientation)
     try? connection.setMirrorMode(config.mirrorMode)
 
+    let enableAppleProRAW = options.containerFormat == .dng && output.isAppleProRAWSupported
+    if output.isAppleProRAWEnabled != enableAppleProRAW {
+      // If we capture RAW photos, try using Apple ProRAW. If not, Bayer14 RAW will be used.
+      output.isAppleProRAWEnabled = enableAppleProRAW
+    }
+
+    if #available(iOS 26, *) {
+      // Don't rotate Photo buffers - we handle orientation later on in file capture or toImage().
+      output.isCameraSensorOrientationCompensationEnabled = false
+    }
+
     if #available(iOS 16.0, *) {
       // Configure PhotoOutput to the currently selected Format's max photo size
       if let nativeDevice = connection.deviceInput {
@@ -93,10 +87,14 @@ final class HybridCameraPhotoOutput: HybridCameraPhotoOutputSpec, NativeCameraOu
         {
           // Target max photo dimensions have changed, re-configure
           output.maxPhotoDimensions = nearestPhotoDimension
-          try? prepareDefaultPhotoSettings()
         }
       }
     }
+
+    // Prepare the default Photo Settings to make the pipeline ready - some things (like flashMode)
+    // might change on a per-capture basis, but containerFormat and preview size is already known
+    // and can be prepared already.
+    try? prepareDefaultPhotoSettings()
   }
 
   private func prepareDefaultPhotoSettings() throws {

packages/react-native-vision-camera/ios/Public/NativeCameraOutput.swift

@@ -53,7 +53,10 @@ public protocol NativeCameraOutput: AnyObject, ResolutionNegotiationParticipant
    * change, in a `beginConfiguration()`/`commitConfiguration()`
    * batch.
    * The `NativeCameraOutput` is expected to apply all configs
-   * such as orientation or mirroring settings in here.
+   * such as orientation or mirroring settings in here, as well
+   * as any output properties that depend on session configuration,
+   * like `isResponsiveCaptureEnabled` which depends on
+   * the `isResponsiveCaptureSupported` property.
    */
   func configure(config: CameraOutputConfiguration)
 }