71 lines
2.4 KiB
Swift
71 lines
2.4 KiB
Swift
import AVFoundation
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import CoreMedia
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public enum CameraSessionConfigurationError: LocalizedError {
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case addCameraInputFailed
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case addPhotoOutputFailed
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case microphoneUnavailable
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case addMicrophoneInputFailed
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case addMovieOutputFailed
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public var errorDescription: String? {
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switch self {
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case .addCameraInputFailed:
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"Failed to add camera input"
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case .addPhotoOutputFailed:
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"Failed to add photo output"
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case .microphoneUnavailable:
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"Microphone unavailable"
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case .addMicrophoneInputFailed:
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"Failed to add microphone input"
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case .addMovieOutputFailed:
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"Failed to add movie output"
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}
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}
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}
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public enum CameraSessionConfiguration {
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public static func addCameraInput(session: AVCaptureSession, camera: AVCaptureDevice) throws {
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let input = try AVCaptureDeviceInput(device: camera)
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guard session.canAddInput(input) else {
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throw CameraSessionConfigurationError.addCameraInputFailed
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}
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session.addInput(input)
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}
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public static func addPhotoOutput(session: AVCaptureSession) throws -> AVCapturePhotoOutput {
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let output = AVCapturePhotoOutput()
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guard session.canAddOutput(output) else {
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throw CameraSessionConfigurationError.addPhotoOutputFailed
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}
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session.addOutput(output)
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output.maxPhotoQualityPrioritization = .quality
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return output
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}
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public static func addMovieOutput(
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session: AVCaptureSession,
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includeAudio: Bool,
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durationMs: Int) throws -> AVCaptureMovieFileOutput
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{
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if includeAudio {
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guard let mic = AVCaptureDevice.default(for: .audio) else {
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throw CameraSessionConfigurationError.microphoneUnavailable
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}
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let micInput = try AVCaptureDeviceInput(device: mic)
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guard session.canAddInput(micInput) else {
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throw CameraSessionConfigurationError.addMicrophoneInputFailed
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}
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session.addInput(micInput)
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}
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let output = AVCaptureMovieFileOutput()
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guard session.canAddOutput(output) else {
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throw CameraSessionConfigurationError.addMovieOutputFailed
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}
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session.addOutput(output)
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output.maxRecordedDuration = CMTime(value: Int64(durationMs), timescale: 1000)
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return output
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}
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}
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