react-native-vision-camera/package/ios/CameraView+RecordVideo.swift

65 lines
1.9 KiB
Swift

//
// CameraView+RecordVideo.swift
// mrousavy
//
// Created by Marc Rousavy on 16.12.20.
// Copyright © 2020 mrousavy. All rights reserved.
//
import AVFoundation
// MARK: - CameraView + AVCaptureVideoDataOutputSampleBufferDelegate, AVCaptureAudioDataOutputSampleBufferDelegate
extension CameraView: AVCaptureVideoDataOutputSampleBufferDelegate, AVCaptureAudioDataOutputSampleBufferDelegate {
func startRecording(options: NSDictionary, callback jsCallback: @escaping RCTResponseSenderBlock) {
// Type-safety
let callback = Callback(jsCallback)
do {
let options = try RecordVideoOptions(fromJSValue: options)
// If flash is on, just enable torch
if options.flash != .off {
cameraSession.configure { config in
config.torch = options.flash
}
}
// Start Recording with success and error callbacks
cameraSession.startRecording(
options: options,
onVideoRecorded: { video in
callback.resolve(video.toJSValue())
},
onError: { error in
callback.reject(error: error)
}
)
} catch {
// Some error occured while initializing VideoSettings
if let error = error as? CameraError {
callback.reject(error: error)
} else {
callback.reject(error: .capture(.unknown(message: error.localizedDescription)), cause: error as NSError)
}
}
}
func stopRecording(promise: Promise) {
cameraSession.stopRecording(promise: promise)
// If flash was used, we had the torch enabled. Now set it back to it's original state.
cameraSession.configure { config in
config.torch = try Torch(jsValue: torch)
}
}
func pauseRecording(promise: Promise) {
cameraSession.pauseRecording(promise: promise)
}
func resumeRecording(promise: Promise) {
cameraSession.resumeRecording(promise: promise)
}
}