78 lines
2.5 KiB
Swift
78 lines
2.5 KiB
Swift
//
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// VideoCaptureProcessor.swift
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// damus
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//
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// Created by Suhail Saqan on 8/5/23.
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//
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import Foundation
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import AVFoundation
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import Photos
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class VideoCaptureProcessor: NSObject {
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private(set) var movieOutput: AVCaptureMovieFileOutput?
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private let beginHandler: () -> Void
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private let completionHandler: (VideoCaptureProcessor, URL) -> Void
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private let videoProcessingHandler: (Bool) -> Void
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private var session: AVCaptureSession?
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init(movieOutput: AVCaptureMovieFileOutput?,
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beginHandler: @escaping () -> Void,
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completionHandler: @escaping (VideoCaptureProcessor, URL) -> Void,
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videoProcessingHandler: @escaping (Bool) -> Void) {
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self.beginHandler = beginHandler
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self.completionHandler = completionHandler
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self.videoProcessingHandler = videoProcessingHandler
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self.movieOutput = movieOutput
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}
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func startCapture(session: AVCaptureSession) {
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if let movieOutput = self.movieOutput, session.isRunning {
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let outputFileURL = uniqueOutputFileURL()
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movieOutput.startRecording(to: outputFileURL, recordingDelegate: self)
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}
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}
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func stopCapture() {
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if let movieOutput = self.movieOutput {
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if movieOutput.isRecording {
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movieOutput.stopRecording()
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}
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}
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}
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private func uniqueOutputFileURL() -> URL {
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let tempDirectory = FileManager.default.temporaryDirectory
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let fileName = UUID().uuidString + ".mov"
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return tempDirectory.appendingPathComponent(fileName)
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}
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}
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extension VideoCaptureProcessor: AVCaptureFileOutputRecordingDelegate {
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func fileOutput(_ output: AVCaptureFileOutput, didStartRecordingTo fileURL: URL, from connections: [AVCaptureConnection]) {
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DispatchQueue.main.async {
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self.beginHandler()
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}
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}
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func fileOutput(_ output: AVCaptureFileOutput, willFinishRecordingTo fileURL: URL, from connections: [AVCaptureConnection]) {
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DispatchQueue.main.async {
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self.videoProcessingHandler(true)
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}
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}
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func fileOutput(_ output: AVCaptureFileOutput, didFinishRecordingTo outputFileURL: URL, from connections: [AVCaptureConnection], error: Error?) {
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if let error = error {
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print("Error capturing video: \(error)")
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return
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}
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DispatchQueue.main.async {
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self.completionHandler(self, outputFileURL)
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self.videoProcessingHandler(false)
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}
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}
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}
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