RenZhu Macro
105 lines
3.3 KiB
Swift
105 lines
3.3 KiB
Swift
//
|
|
// ViewController+UIImagePickerControllerDelegate.swift
|
|
// SimpleVideoEditor
|
|
//
|
|
// Created by RenZhu Macro on 2020/7/9.
|
|
// Copyright © 2020 RenZhu Macro. All rights reserved.
|
|
//
|
|
|
|
import Foundation
|
|
import AVFoundation
|
|
import MobileCoreServices
|
|
|
|
func orientationForTrack(asset: AVAsset) -> UIInterfaceOrientation {
|
|
let track = asset.tracks(withMediaType: .video).first
|
|
guard let txf = track?.preferredTransform else {
|
|
return .portrait
|
|
}
|
|
if txf.a == 0 && txf.b == 1.0 && txf.c == -1.0 && txf.d == 0 {
|
|
return .landscapeRight
|
|
} else if txf.a == 0 && txf.b == -1.0 && txf.c == 1.0 && txf.d == 0 {
|
|
return .landscapeLeft
|
|
} else if txf.a == 1.0 && txf.b == 0 && txf.c == 0 && txf.d == 1.0 {
|
|
return .portrait
|
|
} else if txf.a == -1.0 && txf.b == 0 && txf.c == 0 && txf.d == -1.0 {
|
|
return .portraitUpsideDown
|
|
} else {
|
|
return .unknown
|
|
}
|
|
}
|
|
|
|
|
|
extension ViewController: UIImagePickerControllerDelegate, UINavigationControllerDelegate {
|
|
func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {
|
|
debugPrint("info:", info)
|
|
picker.dismiss(animated: true, completion: nil)
|
|
guard let mediaType = info[.mediaType] else {
|
|
return
|
|
}
|
|
|
|
if mediaType as! CFString == kUTTypeMovie {
|
|
debugPrint("video")
|
|
guard let url = info[.mediaURL] as? URL else {
|
|
return
|
|
}
|
|
|
|
let asset = AVAsset(url: url)
|
|
let orientation = orientationForTrack(asset: asset)
|
|
|
|
debugPrint("asset:", asset)
|
|
let item = ResourceItem(asset: asset)
|
|
|
|
item.fillType = .aspectToFill
|
|
item.orientation = orientation
|
|
switch item.orientation {
|
|
case .portrait:
|
|
break
|
|
case .landscapeLeft:
|
|
item.rotate = 90.0
|
|
break
|
|
case .landscapeRight:
|
|
item.rotate = -90.0
|
|
break
|
|
case .portraitUpsideDown:
|
|
item.rotate = 180.0
|
|
break
|
|
default:
|
|
break
|
|
}
|
|
|
|
if picker == self.subPicker {
|
|
try? self.videoEditor?.insertOverlayItem(overlayItem: item)
|
|
item.roi = CGRect(x: 0.4, y: 0.4, width: 0.8, height: 0.8)
|
|
self.subResources.append(item)
|
|
} else {
|
|
|
|
try? self.videoEditor?.insertItem(videoItem: item)
|
|
item.roi = CGRect(x: 0.0, y: 0.0, width: 1.0, height: 1.0)
|
|
self.mainResources.append(item)
|
|
}
|
|
self.rebuildPipeline()
|
|
self.subTableView.reloadData()
|
|
self.mainTableView.reloadData()
|
|
|
|
} else {
|
|
debugPrint("unsupported")
|
|
return
|
|
}
|
|
|
|
}
|
|
|
|
func imagePickerControllerDidCancel(_ picker: UIImagePickerController) {
|
|
|
|
}
|
|
|
|
func documentPickerWasCancelled(_ controller: UIDocumentPickerViewController) {
|
|
|
|
}
|
|
|
|
func documentPicker(_ controller: UIDocumentPickerViewController, didPickDocumentsAt urls: [URL]) {
|
|
|
|
}
|
|
|
|
|
|
}
|