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私はカメラアプリケーションで作業しています。私はボタンを使用して、必要に応じてフラッシュモードをオン/オフにしています。この方法は、静止画のキャプチャには完全に機能し、ビデオモードでは機能しません。以下は私のコードです。トーチモードに使用TIASwift 3.0でビデオを録画中にFlashが動作しない
class func setFlashMode(_ flashMode: AVCaptureFlashMode, for device: AVCaptureDevice) {
if device.hasFlash && device.isFlashModeSupported(flashMode) {
do {
try device.lockForConfiguration()
device.flashMode = flashMode
device.unlockForConfiguration()
}
catch
{
print("Error:-\(error)")
}
}
}
フラッシュボタンアクション
@IBAction func flashButtonClicked(_ sender: UIButton)
{
sender.isSelected = !sender.isSelected
if !(sender.isSelected)
{
sender.setTitle(NSLocalizedString("OFF", comment: ""), for: UIControlState.normal)
CameraVC.setFlashMode(AVCaptureFlashMode.off, for: self.videoDeviceInput.device)
}
else
{
sender.setTitle(NSLocalizedString("ON", comment: ""), for: UIControlState.normal)
CameraVC.setFlashMode(AVCaptureFlashMode.on, for: self.videoDeviceInput.device)
}
}
動画ボタンアクション
@IBAction func videoButtonClicked(_ sender: UIButton)
{
self.sessionQueue.async {
if !self.movieFileOutput.isRecording
{
if UIDevice.current.isMultitaskingSupported
{
self.backGroundRecordingID = UIApplication.shared.beginBackgroundTask(expirationHandler: nil)
}
let connection = self.movieFileOutput.connection(withMediaType: AVMediaTypeVideo)
let deviceOrientation = UIDevice.current.orientation
if UIDeviceOrientationIsPortrait(deviceOrientation) || UIDeviceOrientationIsLandscape(deviceOrientation)
{
connection?.videoOrientation = self.videoOrientation()
}
// Turning ON flash for video recording
CameraVC.setFlashMode(AVCaptureFlashMode.on, for: self.videoDeviceInput.device)
let mediaDirectoryURL = SBMediaInfo.mediaDirectoryPath()
//Unique file name
let fileName = UIDevice.current.identifierForVendor!.uuidString
// Start recording to a temporary file.
let outputFilePath = "\(mediaDirectoryURL.path)/\(fileName).mov"
self.movieFileOutput.startRecording(toOutputFileURL: URL(fileURLWithPath: outputFilePath), recordingDelegate: self)
print("\(outputFilePath)")
}
else
{
self.movieFileOutput.stopRecording()
}
sender.isEnabled = true
}
}