creat project

EZPlayer/AVAsset+EZPlayer.swift

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+//
+//  AVAsset+EZPlayer.swift
+//  EZPlayer
+//
+//  Created by yangjun zhu on 2016/12/28.
+//  Copyright © 2016年 yangjun zhu. All rights reserved.
+//
+
+import AVFoundation
+public extension AVAsset {
+
+    public var title: String? {
+        var error: NSError?
+        let status = self.statusOfValue(forKey: "commonMetadata", error: &error)
+        if error != nil {
+            return nil
+        }
+        if status == .loaded{
+            let metadataItems = AVMetadataItem.metadataItems(from: self.commonMetadata, withKey: AVMetadataCommonKeyTitle, keySpace: AVMetadataKeySpaceCommon)
+            if metadataItems.count > 0  {
+                let titleItem = metadataItems.first
+                return titleItem?.value as? String
+            }
+        }
+        return nil
+    }
+
+    public var closedCaption: [AVMediaSelectionOption]? {
+        var closedCaptions = [AVMediaSelectionOption]()
+        if let mediaSelectionGroup = self.mediaSelectionGroup(forMediaCharacteristic: AVMediaCharacteristicLegible){
+            for option in mediaSelectionGroup.options {
+                if option.mediaType == "clcp" {
+                    closedCaptions.append(option)
+                }
+            }
+        }
+        if closedCaptions.count > 0{
+            return closedCaptions
+        }
+        return nil
+    }
+
+    public var subtitles: [(subtitle: AVMediaSelectionOption,localDisplayName: String)]? {
+        var subtitles = [(subtitle: AVMediaSelectionOption,localDisplayName: String)]()
+        if let mediaSelectionGroup = self.mediaSelectionGroup(forMediaCharacteristic: AVMediaCharacteristicLegible){
+            for option in mediaSelectionGroup.options {
+                if !option.hasMediaCharacteristic(AVMediaCharacteristicContainsOnlyForcedSubtitles) {
+                    if let localDisplayName = self.localDisplayName(forMediaSelectionOption: option){
+                        subtitles.append((option,localDisplayName))
+                    }
+                }
+            }
+        }
+        if subtitles.count > 0{
+            return subtitles
+        }
+        return nil
+    }
+
+    public var audios: [(audio: AVMediaSelectionOption,localDisplayName: String)]? {
+        var audios = [(audio: AVMediaSelectionOption,localDisplayName: String)]()
+        if let mediaSelectionGroup = self.mediaSelectionGroup(forMediaCharacteristic: AVMediaCharacteristicAudible){
+            for option in mediaSelectionGroup.options {
+                if let localDisplayName = self.localDisplayName(forMediaSelectionOption: option){
+                    audios.append((option,localDisplayName))
+                }
+            }
+            if audios.count > 0{
+                return audios
+            }
+        }
+        return nil
+    }
+
+    public func localDisplayName(forMediaSelectionOption subtitle: AVMediaSelectionOption) -> String?{
+        var title: String? = nil
+        var metadataItems = AVMetadataItem.metadataItems(from: subtitle.commonMetadata, withKey: AVMetadataCommonKeyTitle, keySpace: AVMetadataKeySpaceCommon)
+        if metadataItems.count > 0 {
+            let preferredLanguages = NSLocale.preferredLanguages
+            for language: String in preferredLanguages {
+                let locale = Locale(identifier: language)
+                var titlesForLocale = AVMetadataItem.metadataItems(from: metadataItems, with: locale)
+                if titlesForLocale.count > 0 {
+                    title = titlesForLocale[0].stringValue
+                    break
+                }
+            }
+            if title == nil {
+                title = metadataItems[0].stringValue
+            }
+        }
+        return title
+    }
+
+}

EZPlayer/AVPlayerItem+EZPlayer.swift

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+//
+//  AVPlayerItem+EZPlayer.swift
+//  EZPlayer
+//
+//  Created by yangjun zhu on 2016/12/28.
+//  Copyright © 2016年 yangjun zhu. All rights reserved.
+//
+
+import AVFoundation
+public extension AVPlayerItem {
+
+    public var bufferDuration: TimeInterval? {
+        if  let first = self.loadedTimeRanges.first {
+            let timeRange = first.timeRangeValue
+            let startSeconds = CMTimeGetSeconds(timeRange.start)
+            let durationSecound = CMTimeGetSeconds(timeRange.duration)
+            let result = startSeconds + durationSecound
+            return result
+        }
+        return nil
+    }
+
+    public var selectedMediaCharacteristicLegibleOption:AVMediaSelectionOption?{
+        get{
+            if let legibleGroup = self.asset.mediaSelectionGroup(forMediaCharacteristic: AVMediaCharacteristicLegible){
+                return self.selectedMediaOption(in: legibleGroup)
+            }
+            return nil
+        }
+        set{
+            if let legibleGroup = self.asset.mediaSelectionGroup(forMediaCharacteristic: AVMediaCharacteristicLegible){
+                self.select(newValue, in: legibleGroup)
+            }
+        }
+    }
+
+    public var selectedClosedCaptionOption:AVMediaSelectionOption?{
+        get{
+            if let option = self.selectedMediaCharacteristicLegibleOption{
+                if option.mediaType == "clcp" {
+                    return option
+                }
+            }
+            return nil
+        }
+        set{
+            if let legibleGroup = self.asset.mediaSelectionGroup(forMediaCharacteristic: AVMediaCharacteristicLegible){
+                if newValue == nil{
+                    self.select(newValue, in: legibleGroup)
+                }else if newValue!.mediaType == "clcp"{
+                    self.select(newValue, in: legibleGroup)
+                }
+            }
+        }
+    }
+
+    public var selectedSubtitleOption:AVMediaSelectionOption?{
+        get{
+            if let option = self.selectedMediaCharacteristicLegibleOption{
+                if !option.hasMediaCharacteristic(AVMediaCharacteristicContainsOnlyForcedSubtitles) {
+                    return option
+                }
+            }
+            return nil
+        }
+        set{
+            if let legibleGroup = self.asset.mediaSelectionGroup(forMediaCharacteristic: AVMediaCharacteristicLegible){
+                if newValue == nil{
+                    self.select(newValue, in: legibleGroup)
+                }else if !newValue!.hasMediaCharacteristic(AVMediaCharacteristicContainsOnlyForcedSubtitles) {
+                    self.select(newValue, in: legibleGroup)
+                }
+            }
+        }
+    }
+
+    public var selectedMediaCharacteristicAudibleOption:AVMediaSelectionOption?{
+        get{
+            if let group = self.asset.mediaSelectionGroup(forMediaCharacteristic: AVMediaCharacteristicAudible){
+                return self.selectedMediaOption(in: group)
+            }
+            return nil
+        }
+        set{
+            if let group = self.asset.mediaSelectionGroup(forMediaCharacteristic: AVMediaCharacteristicAudible){
+                self.select(newValue, in: group)
+            }
+        }
+    }
+
+}

EZPlayer/Delay.swift

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+//
+//  Delay.swift
+//  EZPlayer
+//
+//  Created by yangjun zhu on 2016/12/28.
+//  Copyright © 2016年 yangjun zhu. All rights reserved.
+//
+
+import Foundation
+
+public typealias Task = (_ cancel : Bool) -> Void
+
+public func delay(_ time: TimeInterval, task: @escaping ()->()) ->  Task? {
+
+    func dispatch_later(block: @escaping ()->()) {
+        let t = DispatchTime.now() + time
+        DispatchQueue.main.asyncAfter(deadline: t, execute: block)
+    }
+
+
+
+    var closure: (()->Void)? = task
+    var result: Task?
+
+    let delayedClosure: Task = {
+        cancel in
+        if let internalClosure = closure {
+            if (cancel == false) {
+                DispatchQueue.main.async(execute: internalClosure)
+            }
+        }
+        closure = nil
+        result = nil
+    }
+
+    result = delayedClosure
+
+    dispatch_later {
+        if let delayedClosure = result {
+            delayedClosure(false)
+        }
+    }
+
+    return result
+
+}
+
+public func cancel(_ task: Task?) {
+    task?(true)
+}

EZPlayer/EZPlayer.h

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+//
+//  EZPlayer.h
+//  EZPlayer
+//
+//  Created by yangjun zhu on 2016/12/28.
+//  Copyright © 2016年 yangjun zhu. All rights reserved.
+//
+
+#import <UIKit/UIKit.h>
+
+//! Project version number for EZPlayer.
+FOUNDATION_EXPORT double EZPlayerVersionNumber;
+
+//! Project version string for EZPlayer.
+FOUNDATION_EXPORT const unsigned char EZPlayerVersionString[];
+
+// In this header, you should import all the public headers of your framework using statements like #import <EZPlayer/PublicHeader.h>
+
+