video wallpapers
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leminlimez committed
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@@ -161,9 +161,18 @@ class PosterBoardManager: ObservableObject {
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}
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}
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func applyTendies(appHash: String) throws {
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func applyTendies(appHash: String, videoURL: URL?) throws {
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// organize the descriptors into their respective extensions
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var extList: [String: [URL]] = [:]
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// create the video first
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if let videoURL = videoURL {
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do {
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let newVideo = try VideoHandler.createCaml(from: videoURL, autoReverses: false)
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extList["com.apple.WallpaperKit.CollectionsPoster"] = [newVideo]
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} catch {
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print(error.localizedDescription)
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}
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}
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for url in selectedTendies {
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let unzippedDir = try unzipFile(at: url)
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guard let descriptors = try getDescriptorsFromTendie(unzippedDir) else { continue } // TODO: Add error handling
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@@ -0,0 +1,224 @@
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//
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// VideoHandler.swift
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// Pocket Poster
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//
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// Created by lemin on 6/8/25.
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//
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import Foundation
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import AVFoundation
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import UIKit
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extension CGImage {
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var png: Data? {
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guard let mutableData = CFDataCreateMutable(nil, 0),
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let destination = CGImageDestinationCreateWithData(mutableData, "public.png" as CFString, 1, nil) else { return nil }
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CGImageDestinationAddImage(destination, self, nil)
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guard CGImageDestinationFinalize(destination) else { return nil }
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return mutableData as Data
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}
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var jpg: Data? {
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let uiimg = UIImage(cgImage: self)
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return uiimg.jpegData(compressionQuality: 0.7)
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}
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}
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class VideoHandler {
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static func createCaml(from url: URL, autoReverses: Bool) throws -> URL {
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// copy the resources
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let descrURL = SymHandler.getDocumentsDirectory().appendingPathComponent(UUID().uuidString, conformingTo: .directory)
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try FileManager.default.createDirectory(at: descrURL, withIntermediateDirectories: false)
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print("pre resource")
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guard let rc = Bundle.main.url(forResource: "VideoCAML", withExtension: nil) else { throw URLError(.fileDoesNotExist) }
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print("post resource")
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try FileManager.default.copyItem(at: rc, to: descrURL.appendingPathComponent("videoCAML"))
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print("post copy")
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let coreAnimDir = descrURL.appending(path: "videoCAML/versions/1/contents/9183.Custom-810w-1080h@2x~ipad.wallpaper/9183.Custom_Background-810w-1080h@2x~ipad.ca")
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let assetsFolder = coreAnimDir.appendingPathComponent("assets", conformingTo: .directory)
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if !FileManager.default.fileExists(atPath: assetsFolder.path()) {
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try FileManager.default.createDirectory(at: assetsFolder, withIntermediateDirectories: true)
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}
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// load the video
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let asset = AVURLAsset(url: url)
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let assetImageGenerator = AVAssetImageGenerator(asset: asset)
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assetImageGenerator.appliesPreferredTrackTransform = true
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assetImageGenerator.apertureMode = AVAssetImageGenerator.ApertureMode.encodedPixels
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// create the caml
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guard let track = asset.tracks(withMediaType: .video).first else {
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print("Failed to get video track")
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throw AVError(.decodeFailed)
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}
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let size = track.naturalSize.applying(track.preferredTransform)
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let width = Int(size.width)
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let height = Int(size.height)
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let fps = track.nominalFrameRate
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let duration = CMTimeGetSeconds(asset.duration)
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let totalFrames = Int(fps * Float(duration))
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let animDur = Double(totalFrames) / Double(fps)
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var camlData = """
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<?xml version="1.0" encoding="UTF-8"?>
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<caml xmlns="http://www.apple.com/CoreAnimation/1.0">
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<CALayer allowsEdgeAntialiasing="1" allowsGroupOpacity="1" bounds="0 0 \(width) \(height)" contentsFormat="RGBA8" cornerCurve="circular" hidden="0" name="_FLOATING" position="\(Int(width/2)) \(Int(height/2))">
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<sublayers>
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<CATransformLayer allowsEdgeAntialiasing="1" allowsGroupOpacity="1" allowsHitTesting="1" bounds="0 0 \(width) \(height)" contentsFormat="RGBA8" cornerCurve="circular" name="Chip" position="\(Int(width/2)) \(Int(height/2))">
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<sublayers>
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<CALayer allowsEdgeAntialiasing="1" allowsGroupOpacity="1" bounds="0 0 \(width) \(height)" contentsFormat="RGBA8" cornerCurve="circular" name="CALayer1" position="\(Int(width/2)) \(Int(height/2))">
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<contents type="CGImage" src="assets/0.jpg"/>
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<animations>
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<animation type="CAKeyframeAnimation" calculationMode="linear" keyPath="contents" beginTime="1e-100" duration="\(animDur)" removedOnCompletion="0" repeatCount="inf" repeatDuration="0" speed="1" timeOffset="0" autoreverses="\(autoReverses ? 1 : 0)">
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<values>\n
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"""
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// go through every frame and add it to the caml
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do {
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let reader = try AVAssetReader(asset: asset)
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let readerOutputSettings: [String: Any] = [
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kCVPixelBufferPixelFormatTypeKey as String: Int(kCVPixelFormatType_32BGRA)
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]
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let readerOutput = AVAssetReaderTrackOutput(track: track, outputSettings: readerOutputSettings)
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reader.add(readerOutput)
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reader.startReading()
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var frameCount = 0
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while let sampleBuffer = readerOutput.copyNextSampleBuffer(),
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let imageBuffer = CMSampleBufferGetImageBuffer(sampleBuffer) {
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let ciImage = CIImage(cvPixelBuffer: imageBuffer)
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let context = CIContext()
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if let cgImage = context.createCGImage(ciImage, from: ciImage.extent) {
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let name = "\(frameCount).jpg"
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if let img = cgImage.jpg {
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try img.write(to: assetsFolder.appendingPathComponent(name))
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camlData += "\t\t\t<CGImage src=\"assets/\(name)\"/>\n"
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frameCount += 1
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}
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}
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}
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} catch {
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print("Error reading asset: \(error)")
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}
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camlData += """
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</values>
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</animation>
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</animations>
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</CALayer>
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</sublayers>
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</CATransformLayer>
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</sublayers>
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<states>
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<LKState name="Locked">
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<elements/>
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</LKState>
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<LKState name="Unlock">
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<elements/>
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</LKState>
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<LKState name="Sleep">
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<elements/>
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</LKState>
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</states>
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<stateTransitions>
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<LKStateTransition fromState="*" toState="Unlock">
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<elements/>
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</LKStateTransition>
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<LKStateTransition fromState="Unlock" toState="*">
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<elements/>
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</LKStateTransition>
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<LKStateTransition fromState="*" toState="Locked">
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<elements/>
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</LKStateTransition>
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<LKStateTransition fromState="Locked" toState="*">
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<elements/>
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</LKStateTransition>
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<LKStateTransition fromState="*" toState="Sleep">
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<elements/>
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</LKStateTransition>
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<LKStateTransition fromState="Sleep" toState="*">
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<elements/>
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</LKStateTransition>
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</stateTransitions>
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</CALayer>
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</caml>
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"""
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// write the caml
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guard let caData = camlData.data(using: .utf8) else { throw URLError(.unknown) }
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try caData.write(to: coreAnimDir.appendingPathComponent("main.caml"))
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// write the other info xml
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camlData = """
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
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<plist version="1.0">
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<dict>
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<key>assetManifest</key>
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<string>assetManifest.caml</string>
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<key>documentHeight</key>
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<real>\(height)</real>
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<key>documentResizesToView</key>
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<true/>
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<key>documentWidth</key>
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<real>\(width)</real>
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<key>dynamicGuidesEnabled</key>
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<true/>
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<key>geometryFlipped</key>
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<false/>
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<key>guidesEnabled</key>
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<true/>
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<key>interactiveMouseEventsEnabled</key>
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<true/>
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<key>interactiveShowsCursor</key>
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<true/>
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<key>interactiveTouchEventsEnabled</key>
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<false/>
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<key>loopEnd</key>
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<real>0.0</real>
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<key>loopStart</key>
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<real>0.0</real>
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<key>loopingEnabled</key>
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<false/>
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<key>multitouchDisablesMouse</key>
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<false/>
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<key>multitouchEnabled</key>
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<false/>
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<key>presentationMouseEventsEnabled</key>
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<true/>
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<key>presentationShowsCursor</key>
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<true/>
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<key>presentationTouchEventsEnabled</key>
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<false/>
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<key>rootDocument</key>
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<string>main.caml</string>
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<key>savesWindowFrame</key>
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<false/>
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<key>scalesToFitInPlayer</key>
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<true/>
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<key>showsTouches</key>
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<true/>
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<key>snappingEnabled</key>
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<true/>
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<key>timelineMarkers</key>
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<string>[(null)]</string>
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<key>touchesColor</key>
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<string>1 1 0 0.8</string>
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<key>unitsInPixelsInPlayer</key>
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<true/>
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</dict>
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</plist>
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"""
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guard let xmlData = camlData.data(using: .utf8) else { throw URLError(.unknown) }
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try xmlData.write(to: coreAnimDir.appendingPathComponent("index.xml", conformingTo: .xml))
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return descrURL
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}
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}
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