fix preview and recording orientation fix

- add onCameraConfigurationChanged to CameraSessionDelegate to notify CameraView when configuration changes
- when orientatin change update CameraView.PreviewView.videoPreviewLayer.connection orientation value
This commit is contained in:
Rui Rodrigues 2024-08-02 14:39:23 +01:00
parent 7c162fecb1
commit 3a20c44a31
5 changed files with 56 additions and 22 deletions

View File

@ -303,6 +303,15 @@ public final class CameraView: UIView, CameraSessionDelegate {
}
onInitialized([:])
}
func onCameraConfigurationChanged(_ configuration: CameraConfiguration?, _ difference: CameraConfiguration.Difference?) {
guard let configuration, let difference else { return }
if difference.orientationChanged, let connection = previewView.videoPreviewLayer.connection {
let videoPreviewLayer = previewView.videoPreviewLayer
connection.setOrientation(configuration.orientation)
}
}
func onCameraStarted() {
ReactLogger.log(level: .info, message: "Camera started!")

View File

@ -195,6 +195,7 @@ class CameraSession: NSObject, AVCaptureVideoDataOutputSampleBufferDelegate, AVC
self.delegate?.onSessionInitialized()
}
self.delegate?.onCameraConfigurationChanged(config, difference)
// After configuring, set this to the new configuration.
self.configuration = config
} catch {

View File

@ -21,6 +21,8 @@ protocol CameraSessionDelegate: AnyObject {
Called when the [CameraSession] successfully initializes
*/
func onSessionInitialized()
func onCameraConfigurationChanged(_ configuration: CameraConfiguration?, _ difference: CameraConfiguration.Difference?)
/**
Called when the [CameraSession] starts streaming frames. (isActive=true)
*/

View File

@ -32,28 +32,36 @@ extension AVCaptureOutput {
func setOrientation(_ orientation: Orientation) {
// Set orientation for each connection
for connection in connections {
#if swift(>=5.9)
if #available(iOS 17.0, *) {
// Camera Sensors are always in landscape rotation (90deg).
// We are setting the target rotation here, so we need to rotate by landscape once.
let cameraOrientation = orientation.rotateBy(orientation: .landscapeLeft)
let degrees = cameraOrientation.toDegrees()
// TODO: Don't rotate the video output because it adds overhead. Instead just use EXIF flags for the .mp4 file if recording.
// Does that work when we flip the camera?
if connection.isVideoRotationAngleSupported(degrees) {
connection.videoRotationAngle = degrees
}
} else {
if connection.isVideoOrientationSupported {
connection.videoOrientation = orientation.toAVCaptureVideoOrientation()
}
}
#else
if connection.isVideoOrientationSupported {
connection.videoOrientation = orientation.toAVCaptureVideoOrientation()
}
#endif
connection.setOrientation(orientation)
}
}
}
extension AVCaptureConnection {
func setOrientation(_ orientation: Orientation) {
#if swift(>=5.9)
if #available(iOS 17.0, *) {
// Camera Sensors are always in landscape rotation (90deg).
// We are setting the target rotation here, so we need to rotate by landscape once.
let cameraOrientation = orientation.rotateBy(orientation: .landscapeLeft)
let degrees = cameraOrientation.toDegrees()
// TODO: Don't rotate the video output because it adds overhead. Instead just use EXIF flags for the .mp4 file if recording.
// Does that work when we flip the camera?
if isVideoRotationAngleSupported(degrees) {
videoRotationAngle = degrees
}
} else {
if isVideoOrientationSupported {
videoOrientation = orientation.toAVCaptureVideoOrientation()
}
}
#else
if isVideoOrientationSupported {
videoOrientation = orientation.toAVCaptureVideoOrientation()
}
#endif
}
}

View File

@ -113,5 +113,19 @@ class ViewController: UIViewController {
}
}
override func viewWillTransition(to size: CGSize, with coordinator: any UIViewControllerTransitionCoordinator) {
switch UIDevice.current.orientation {
case .landscapeLeft:
cameraView.orientation = "landscape-right"
case .landscapeRight:
cameraView.orientation = "landscape-left"
default:
cameraView.orientation = "portrait"
}
cameraView.didSetProps([])
super.viewWillTransition(to: size, with: coordinator)
}
}