From c123829952d81f5561bb165c63a7ed8a5226fec5 Mon Sep 17 00:00:00 2001
From: Martin Glass <@martinoneutrino>
Date: Tue, 13 Mar 2018 20:52:00 -0600
Subject: [PATCH] Add MediaTimeRangesType for playback skip or other function

---
 TVMediaPlayer.xcodeproj/project.pbxproj    |  4 ++++
 TVMediaPlayer/MediaTimeRangesType.swift    | 26 ++++++++++++++++++++++
 TVMediaPlayerTestApp/TestMediaPlayer.swift | 16 ++++++++++++-
 3 files changed, 45 insertions(+), 1 deletion(-)
 create mode 100644 TVMediaPlayer/MediaTimeRangesType.swift

diff --git a/TVMediaPlayer.xcodeproj/project.pbxproj b/TVMediaPlayer.xcodeproj/project.pbxproj
index 726ee6b..71b24df 100644
--- a/TVMediaPlayer.xcodeproj/project.pbxproj
+++ b/TVMediaPlayer.xcodeproj/project.pbxproj
@@ -7,6 +7,7 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		5BFF05C52058B4EB00A21C94 /* MediaTimeRangesType.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5BFF05C42058B4EB00A21C94 /* MediaTimeRangesType.swift */; };
 		711F134E1C40F7ED0096DBAD /* TVMediaPlayer.h in Headers */ = {isa = PBXBuildFile; fileRef = 711F134D1C40F7ED0096DBAD /* TVMediaPlayer.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		711F135A1C40F9560096DBAD /* ControlsOverlay.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = 711F13551C40F9560096DBAD /* ControlsOverlay.storyboard */; };
 		711F135B1C40F9560096DBAD /* ControlsOverlayViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 711F13561C40F9560096DBAD /* ControlsOverlayViewController.swift */; };
@@ -52,6 +53,7 @@
 /* End PBXCopyFilesBuildPhase section */
 
 /* Begin PBXFileReference section */
+		5BFF05C42058B4EB00A21C94 /* MediaTimeRangesType.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MediaTimeRangesType.swift; sourceTree = "<group>"; };
 		711F134A1C40F7ED0096DBAD /* TVMediaPlayer.framework */ = {isa = PBXFileReference; explicitFileType = wrapper.framework; includeInIndex = 0; path = TVMediaPlayer.framework; sourceTree = BUILT_PRODUCTS_DIR; };
 		711F134D1C40F7ED0096DBAD /* TVMediaPlayer.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = TVMediaPlayer.h; sourceTree = "<group>"; };
 		711F134F1C40F7ED0096DBAD /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
@@ -123,6 +125,7 @@
 				711F13571C40F9560096DBAD /* MediaPlayerViewController.swift */,
 				711F13581C40F9560096DBAD /* MediaItemType.swift */,
 				711F13591C40F9560096DBAD /* MediaPlayerType.swift */,
+				5BFF05C42058B4EB00A21C94 /* MediaTimeRangesType.swift */,
 				711F134D1C40F7ED0096DBAD /* TVMediaPlayer.h */,
 				711F134F1C40F7ED0096DBAD /* Info.plist */,
 				711F13651C41C2900096DBAD /* Images.xcassets */,
@@ -263,6 +266,7 @@
 				711F135D1C40F9560096DBAD /* MediaItemType.swift in Sources */,
 				711F135C1C40F9560096DBAD /* MediaPlayerViewController.swift in Sources */,
 				711F135B1C40F9560096DBAD /* ControlsOverlayViewController.swift in Sources */,
+				5BFF05C52058B4EB00A21C94 /* MediaTimeRangesType.swift in Sources */,
 				711F135E1C40F9560096DBAD /* MediaPlayerType.swift in Sources */,
 				711F136A1C41C64D0096DBAD /* PlayerState.swift in Sources */,
 				711F13691C41C64D0096DBAD /* DPadState.swift in Sources */,
diff --git a/TVMediaPlayer/MediaTimeRangesType.swift b/TVMediaPlayer/MediaTimeRangesType.swift
new file mode 100644
index 0000000..545e643
--- /dev/null
+++ b/TVMediaPlayer/MediaTimeRangesType.swift
@@ -0,0 +1,26 @@
+import Foundation
+import CoreMedia
+
+public protocol MediaTimeRangesType {
+
+    func containsTime(_ time: CMTime) -> CMTimeRange?
+
+    /// The list of ranges
+    var ranges:[CMTimeRange] { get }
+}
+
+public extension MediaTimeRangesType {
+    func containsTime(_ time: CMTime) -> CMTimeRange? {
+        for range in ranges {
+            if (range.containsTime(time)) {
+                return range
+            }
+        }
+        return nil
+    }
+}
+
+//
+//  Created by Martin Glass on 13-Mar-18.
+//  Copyright © 2018 SwiftBit. All rights reserved.
+//
diff --git a/TVMediaPlayerTestApp/TestMediaPlayer.swift b/TVMediaPlayerTestApp/TestMediaPlayer.swift
index 0089321..1277db4 100644
--- a/TVMediaPlayerTestApp/TestMediaPlayer.swift
+++ b/TVMediaPlayerTestApp/TestMediaPlayer.swift
@@ -2,7 +2,7 @@ import Foundation
 import TVMediaPlayer
 import AVFoundation
 
-class TestMediaPlayer: MediaPlayerType, MediaItemType {
+class TestMediaPlayer: MediaPlayerType, MediaItemType, MediaTimeRangesType {
     
     lazy var playerItem:AVPlayerItem = {
         let url = URL(string: "https://download.blender.org/durian/trailer/sintel_trailer-1080p.mp4")!
@@ -16,6 +16,14 @@ class TestMediaPlayer: MediaPlayerType, MediaItemType {
             let position = time.seconds / sself.length
             sself.positionChanged?(Float(position))
         }
+        // skip
+        player.addPeriodicTimeObserver(forInterval: CMTime(value: 1, timescale: 1), queue: nil) { [weak self] time in
+            guard let sself = self else { return }
+            guard let timeRange = sself.containsTime(time) else { return }
+            player.seek(to: timeRange.end)
+            let position = timeRange.end.seconds / sself.length
+            sself.positionChanged?(Float(position))
+        }
         return player
     }()
     
@@ -61,6 +69,12 @@ class TestMediaPlayer: MediaPlayerType, MediaItemType {
     var subtitle:String? { return "Subtitle" }
     
     var length:Double { return playerItem.duration.seconds }
+    
+    //test range
+    var ranges:[CMTimeRange] {
+        return [CMTimeRange(start:CMTime(seconds:5.000, preferredTimescale:1000),
+                            end:CMTime(seconds:9.000, preferredTimescale:1000))]
+    }
 }
 
 //