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@@ -25,6 +25,11 @@ class WSSEditCutView: UIView {
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fileprivate var imageGenerator: AVAssetImageGenerator
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fileprivate var imageArray = [UIImage]()
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fileprivate var videoDuration: Float = 0
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+
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+ fileprivate var exportSession: AVAssetExportSession?
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+ fileprivate var exportSessionDisplayLink: CADisplayLink?
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+ fileprivate var isUserCancel = false
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+
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weak var playerView: LXMAVPlayerView? {
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didSet {
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playerView?.playerTimeDidChangeBlock = { [weak self] current, total in
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@@ -95,6 +100,17 @@ class WSSEditCutView: UIView {
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}
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})
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+
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+ // --
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+ NotificationCenter.default.reactive.notifications(forName: Notification.Name.kSVProgressHUDCacnel).take(duringLifetimeOf: self).observeValues { [weak self] _ in
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+ self?.isUserCancel = true
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+
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+ if let exportSession = self?.exportSession {
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+ exportSession.cancelExport()
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+ self?.exportSession = nil
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+ hideHud()
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+ }
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+ }
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}
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convenience init(movieURL: URL) {
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@@ -105,6 +121,10 @@ class WSSEditCutView: UIView {
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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+
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+ func releaseObjc() {
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+ stopExportSessionDisplay()
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+ }
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func cutedStartSeconds() -> TimeInterval {
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let startTime = TimeInterval(bottomView.sliderView.selectedStart()) * TimeInterval(videoDuration)
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@@ -162,21 +182,28 @@ private extension WSSEditCutView {
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let timeRange = CMTimeRange(start: startTime, end: endTime)
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do {
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- showHud()
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+ self.isUserCancel = false
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let cutedVideo = try WSSMediaOperationTool.cutVideo(withVideoAsset: self.videoAsset, timeRange: timeRange)
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let exportUrl = kOJSUserDocumentDirectory + "/" + "tmp_edit_video_cuted.mp4"
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- _ = WSSMediaOperationTool.exportVideo(withVideoAsset: cutedVideo, exportPath: URL(fileURLWithPath: exportUrl), finish: { [weak self] isSucess in
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- hideHud()
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-
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- if isSucess {
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- DispatchQueue.main.async(execute: {
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+ let exportSession = WSSMediaOperationTool.exportVideo(withVideoAsset: cutedVideo, exportPath: URL(fileURLWithPath: exportUrl), finish: { [weak self] isSucess in
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+ DispatchQueue.main.async(execute: {
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+ self?.stopExportSessionDisplay()
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+ if isSucess {
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+ hideHud()
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self?.saveActionHandle?(exportUrl, startTime.seconds, timeRange.duration.seconds)
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- })
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- } else {
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- showHud(withOnlyText: "截取视频失败")
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- }
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+ } else {
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+ guard let userCancel = self?.isUserCancel, !userCancel else {
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+ showHud(withOnlyText: "取消裁剪")
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+ return
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+ }
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+ showHud(withOnlyText: "截取视频失败")
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+ }
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+ })
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})
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+ self.exportSession = exportSession
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+ self.setupExportSessionDisplayLink()
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+
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} catch {
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showHud(withOnlyText: "截取视频失败")
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}
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@@ -218,6 +245,38 @@ extension WSSEditCutView: WSSEditCutSliderViewDelegate {
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let endTime = TimeInterval(bottomView.sliderView.selectedEnd()) * TimeInterval(videoDuration)
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cutTimeRangeChangeHandle?(startTime, endTime - startTime)
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}
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+
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+ // MARK: exportSession
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+
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+ func setupExportSessionDisplayLink() {
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+ if exportSessionDisplayLink != nil {
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+ exportSessionDisplayLink?.isPaused = true
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+ exportSessionDisplayLink?.invalidate()
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+ exportSessionDisplayLink = nil
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+ }
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+ let displayLink = CADisplayLink(target: self, selector: #selector(updateExportSessionProgress))
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+ DispatchQueue.main.async {
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+ displayLink.add(to: .current, forMode: .common)
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+ self.exportSessionDisplayLink = displayLink
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+ }
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+ }
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+
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+ func stopExportSessionDisplay() {
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+ if let displayLink = exportSessionDisplayLink {
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+ displayLink.isPaused = true
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+ displayLink.invalidate()
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+ exportSessionDisplayLink = nil
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+ }
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+ }
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+
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+ @objc func updateExportSessionProgress() {
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+ if let exportSession = exportSession {
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+ let progress = exportSession.progress
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+ showProgressCancelHub(progress: progress, status: "正在裁剪...")
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+ } else {
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+ stopExportSessionDisplay()
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+ }
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+ }
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}
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// MARK: - PublicMethod
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