BrashUp Replay Kit Live #81

Examples/iOS/Screencast/Info.plist

@@ -30,9 +30,9 @@
 		<key>NSExtensionPointIdentifier</key>
 		<string>com.apple.broadcast-services</string>
 		<key>NSExtensionPrincipalClass</key>
-		<string>$(PRODUCT_MODULE_NAME).SampleHandler</string>
+		<string>$(PRODUCT_MODULE_NAME).MovieClipHandler</string>
 		<key>RPBroadcastProcessMode</key>
-		<string>RPBroadcastProcessModeSampleBuffer</string>
+		<string>RPBroadcastProcessModeMP4Clip</string>
 	</dict>
 </dict>
 </plist>

Examples/iOS/Screencast/MovieClipHandler.swift

@@ -0,0 +1,5 @@
+import lf
+import Foundation
+
+class MovieClipHandler: RTMPMP4ClipHandler {
+}

Examples/iOS/ScreencastUI/BroadcastViewController.swift

@@ -22,6 +22,10 @@ class BroadcastViewController: UIViewController {
         ]
 
         let broadcastConfiguration:RPBroadcastConfiguration = RPBroadcastConfiguration()
+        broadcastConfiguration.clipDuration = 2
+        broadcastConfiguration.videoCompressionProperties = [
+            AVVideoProfileLevelKey: AVVideoProfileLevelH264BaselineAutoLevel as NSSecureCoding & NSObjectProtocol,
+        ]
 
         self.extensionContext?.completeRequest(
             withBroadcast: broadcastURL,

Examples/macOS/LiveViewController.swift

@@ -158,12 +158,14 @@ final class LiveViewController: NSViewController {
             httpStream.attach(camera: nil)
             rtmpStream.attach(audio: DeviceUtil.device(withLocalizedName: audioPopUpButton.itemTitles[audioPopUpButton.indexOfSelectedItem], mediaType: AVMediaTypeAudio))
             rtmpStream.attach(camera: DeviceUtil.device(withLocalizedName: cameraPopUpButton.itemTitles[cameraPopUpButton.indexOfSelectedItem], mediaType: AVMediaTypeVideo))
+            lfView.attach(stream: rtmpStream)
             urlField.stringValue = LiveViewController.defaultURL
         case 1:
             rtmpStream.attach(audio: nil)
             rtmpStream.attach(camera: nil)
             httpStream.attach(audio: DeviceUtil.device(withLocalizedName: audioPopUpButton.itemTitles[audioPopUpButton.indexOfSelectedItem], mediaType: AVMediaTypeAudio))
             httpStream.attach(camera: DeviceUtil.device(withLocalizedName: cameraPopUpButton.itemTitles[cameraPopUpButton.indexOfSelectedItem], mediaType: AVMediaTypeVideo))
+            lfView.attach(stream: httpStream)
             urlField.stringValue = "http://{ipAddress}:8080/hello/playlist.m3u8"
         default:
             break

Platforms/iOS/RTMPSampleHandler.swift

@@ -3,22 +3,41 @@ import Foundation
 
 @available(iOS 10.0, *)
 public class RTMPBroadcaster: RTMPConnection {
-    private var stream:RTMPStream?
+    static let `default`:RTMPBroadcaster = RTMPBroadcaster()
 
-    func process(sampleBuffer: CMSampleBuffer, with sampleBufferType: RPSampleBufferType) {
+    private var stream:RTMPStream!
-        guard let stream:RTMPStream = stream, stream.readyState == .publishing else {
+    private var connecting:Bool = false
+    private let lockQueue:DispatchQueue = DispatchQueue(label: "com.github.shogo4405.lf.RTMPBroadcaster.lock")
+
+    override init() {
+        super.init()
+        stream = RTMPStream(connection: self)
+    }
+
+    override public func connect(_ command: String, arguments: Any?...) {
+        lockQueue.sync {
+            if (connecting) {
                 return
             }
-        switch  sampleBufferType {
+            connecting = true
-        case .video:
+            super.connect(command, arguments: arguments)
-            stream.mixer.videoIO.captureOutput(nil, didOutputSampleBuffer: sampleBuffer, from: nil)
-        case .audioApp:
-            break
-        case .audioMic:
-            stream.mixer.audioIO.captureOutput(nil, didOutputSampleBuffer: sampleBuffer, from: nil)
         }
     }
 
+    override public func close() {
+        connecting = false
+        super.close()
+    }
+
+    func processMP4Clip(mp4ClipURL: URL?, completionHandler: MP4Sampler.Handler) {
+        guard let url:URL = mp4ClipURL else {
+            completionHandler()
+            return
+        }
+        stream.append(url: url)
+        completionHandler()
+    }
+
     override func on(status:Notification) {
         super.on(status: status)
         let e:Event = Event.from(status)
@@ -27,8 +46,7 @@ public class RTMPBroadcaster: RTMPConnection {
         }
         switch code {
         case RTMPConnection.Code.connectSuccess.rawValue:
-            stream = RTMPStream(connection: self)
+            stream.publish("live")
-            stream?.publish("live")
         default:
             break
         }
@@ -36,34 +54,21 @@ public class RTMPBroadcaster: RTMPConnection {
 }
 
 @available(iOS 10.0, *)
-open class RTMPSampleHandler: RPBroadcastSampleHandler {
+open class RTMPMP4ClipHandler: RPBroadcastMP4ClipHandler {
 
-    public static var broadcaster:RTMPBroadcaster?
+    deinit {
+        logger.info("deinit: \(self)")
+    }
 
-    override open func broadcastStarted(withSetupInfo setupInfo: [String : NSObject]?) {
+    override open func processMP4Clip(with mp4ClipURL: URL?, setupInfo: [String : NSObject]?, finished: Bool) {
-        logger.info("broadcastStarted:\(setupInfo)")
         guard let endpointURL:String = setupInfo?["endpointURL"] as? String else {
             return
         }
-        RTMPSampleHandler.broadcaster = RTMPBroadcaster()
+        RTMPBroadcaster.default.connect(endpointURL, arguments: nil)
-        RTMPSampleHandler.broadcaster?.connect(endpointURL, arguments: nil)
+        RTMPBroadcaster.default.processMP4Clip(mp4ClipURL: mp4ClipURL) {_ in
+            if (finished) {
+                RTMPBroadcaster.default.close()
             }
-
-    override open func broadcastPaused() {
-        logger.info("broadcastPaused")
         }
-
-    override open func broadcastResumed() {
-        logger.info("broadcastResumed")
-    }
-
-    override open func broadcastFinished() {
-        logger.info("broadcastFinished")
-        RTMPSampleHandler.broadcaster?.close()
-        RTMPSampleHandler.broadcaster = nil
-    }
-
-    override open func processSampleBuffer(_ sampleBuffer: CMSampleBuffer, with sampleBufferType: RPSampleBufferType) {
-        RTMPSampleHandler.broadcaster?.process(sampleBuffer: sampleBuffer, with: sampleBufferType)
     }
 }

Sources/ISO/MP4Reader.swift

@@ -37,13 +37,16 @@ class MP4Box {
         }
     }
 
+    var leafNode:Bool {
+        return false
+    }
+
     fileprivate(set) var type:String = "undf"
     fileprivate(set) var size:UInt32 = 0
     fileprivate(set) var offset:UInt64 = 0
     fileprivate(set) var parent:MP4Box? = nil
 
-    var leafNode:Bool {
+    init() {
-        return false
     }
 
     init(size: UInt32, type:String) {
@@ -51,7 +54,7 @@ class MP4Box {
         self.type = type
     }
 
-    func loadFile(_ fileHandle: FileHandle) throws -> UInt32 {
+    func load(_ fileHandle:FileHandle) throws -> UInt32 {
         if (size == 0) {
             size = UInt32(fileHandle.seekToEndOfFile() - offset)
             return size
@@ -60,7 +63,7 @@ class MP4Box {
         return size
     }
 
-    func getBoxesByName(_ name:String) -> [MP4Box] {
+    func getBoxes(byName:String) -> [MP4Box] {
         return []
     }
 
@@ -76,8 +79,8 @@ class MP4Box {
     }
 }
 
-// MARK: CustomStringConvertible
 extension MP4Box: CustomStringConvertible {
+    // MARK: CustomStringConvertible
     var description:String {
         return Mirror(reflecting: self).description
     }
@@ -92,29 +95,29 @@ class MP4ContainerBox: MP4Box {
         return false
     }
 
-    override func loadFile(_ fileHandle: FileHandle) throws -> UInt32 {
+    override func load(_ file:FileHandle) throws -> UInt32 {
         children.removeAll(keepingCapacity: false)
 
         var offset:UInt32 = parent == nil ? 0 : 8
-        fileHandle.seek(toFileOffset: self.offset + UInt64(offset))
+        file.seek(toFileOffset: self.offset + UInt64(offset))
 
         while (size != offset) {
-            let child:MP4Box = try create(fileHandle.readData(ofLength: 8), offset: offset)
+            let child:MP4Box = try create(file.readData(ofLength: 8), offset: offset)
-            offset += try child.loadFile(fileHandle)
+            offset += try child.load(file)
             children.append(child)
         }
 
         return offset
     }
 
-    override func getBoxesByName(_ name:String) -> [MP4Box] {
+    override func getBoxes(byName:String) -> [MP4Box] {
         var list:[MP4Box] = []
         for child in children {
-            if (name == child.type || name == "*" ) {
+            if (byName == child.type || byName == "*" ) {
                 list.append(child)
             }
             if (!child.leafNode) {
-                list += child.getBoxesByName(name)
+                list += child.getBoxes(byName: byName)
             }
         }
         return list
@@ -139,7 +142,7 @@ final class MP4MediaHeaderBox: MP4Box {
     var language:UInt16 = 0
     var quality:UInt16 = 0
 
-    override func loadFile(_ fileHandle: FileHandle) throws -> UInt32 {
+    override func load(_ fileHandle: FileHandle) throws -> UInt32 {
         let buffer:ByteArray = ByteArray(data: fileHandle.readData(ofLength: Int(size) - 8))
         version = try buffer.readUInt8()
         buffer.position += 3
@@ -158,7 +161,7 @@ final class MP4MediaHeaderBox: MP4Box {
 final class MP4ChunkOffsetBox: MP4Box {
     var entries:[UInt32] = []
 
-    override func loadFile(_ fileHandle: FileHandle) throws -> UInt32 {
+    override func load(_ fileHandle: FileHandle) throws -> UInt32 {
         let buffer:ByteArray = ByteArray(data: fileHandle.readData(ofLength: Int(size) - 8))
         buffer.position += 4
 
@@ -176,7 +179,7 @@ final class MP4ChunkOffsetBox: MP4Box {
 final class MP4SyncSampleBox: MP4Box {
     var entries:[UInt32] = []
 
-    override func loadFile(_ fileHandle: FileHandle) throws -> UInt32 {
+    override func load(_ fileHandle: FileHandle) throws -> UInt32 {
         entries.removeAll(keepingCapacity: false)
 
         let buffer:ByteArray = ByteArray(data: fileHandle.readData(ofLength: Int(size) - 8))
@@ -209,7 +212,7 @@ final class MP4TimeToSampleBox: MP4Box {
 
     var entries:[Entry] = []
 
-    override func loadFile(_ fileHandle: FileHandle) throws -> UInt32 {
+    override func load(_ fileHandle: FileHandle) throws -> UInt32 {
         entries.removeAll(keepingCapacity: false)
 
         let buffer:ByteArray = ByteArray(data: fileHandle.readData(ofLength: Int(size) - 8))
@@ -231,7 +234,7 @@ final class MP4TimeToSampleBox: MP4Box {
 final class MP4SampleSizeBox: MP4Box {
     var entries:[UInt32] = []
 
-    override func loadFile(_ fileHandle: FileHandle) throws -> UInt32 {
+    override func load(_ fileHandle: FileHandle) throws -> UInt32 {
         entries.removeAll(keepingCapacity: false)
 
         let buffer:ByteArray = ByteArray(data: fileHandle.readData(ofLength: Int(self.size) - 8))
@@ -266,7 +269,7 @@ final class MP4ElementaryStreamDescriptorBox: MP4ContainerBox {
     var ocrStreamFlag:UInt8 = 0
     var streamPriority:UInt8 = 0
 
-    override func loadFile(_ fileHandle: FileHandle) throws -> UInt32 {
+    override func load(_ fileHandle: FileHandle) throws -> UInt32 {
         var tagSize:UInt8 = 0
         let buffer:ByteArray = ByteArray(data: fileHandle.readData(ofLength: Int(self.size) - 8))
         buffer.position += 4
@@ -329,7 +332,7 @@ final class MP4AudioSampleEntryBox: MP4ContainerBox {
 
     var soundVersion2Data:[UInt8] = []
 
-    override func loadFile(_ fileHandle: FileHandle) throws -> UInt32 {
+    override func load(_ fileHandle: FileHandle) throws -> UInt32 {
         let buffer:ByteArray = ByteArray(data: fileHandle.readData(ofLength: Int(size) - 8))
         buffer.position += 8
 
@@ -361,7 +364,7 @@ final class MP4AudioSampleEntryBox: MP4ContainerBox {
         fileHandle.seek(toFileOffset: self.offset + UInt64(offset))
 
         let esds:MP4Box = try create(fileHandle.readData(ofLength: 8), offset: offset)
-        offset += try esds.loadFile(fileHandle)
+        offset += try esds.load(fileHandle)
         children.append(esds)
 
         // skip
@@ -383,7 +386,7 @@ final class MP4VisualSampleEntryBox: MP4ContainerBox {
     var compressorname:String = ""
     var depth:UInt16 = 16
 
-    override func loadFile(_ fileHandle: FileHandle) throws -> UInt32 {
+    override func load(_ fileHandle: FileHandle) throws -> UInt32 {
         let buffer:ByteArray = ByteArray(data: fileHandle.readData(ofLength: MP4VisualSampleEntryBox.dataSize))
 
         buffer.position += 24
@@ -402,7 +405,7 @@ final class MP4VisualSampleEntryBox: MP4ContainerBox {
         let child:MP4Box = try MP4Box.create(fileHandle.readData(ofLength: 8))
         child.parent = self
         child.offset = self.offset + UInt64(offset) + 8
-        offset += try child.loadFile(fileHandle)
+        offset += try child.load(fileHandle)
         children.append(child)
 
         // skip
@@ -414,7 +417,7 @@ final class MP4VisualSampleEntryBox: MP4ContainerBox {
 
 // MARK: -
 final class MP4SampleDescriptionBox: MP4ContainerBox {
-    override func loadFile(_ fileHandle: FileHandle) throws -> UInt32 {
+    override func load(_ fileHandle: FileHandle) throws -> UInt32 {
         children.removeAll(keepingCapacity: false)
 
         let buffer:ByteArray = ByteArray(data: fileHandle.readData(ofLength: 8))
@@ -424,7 +427,7 @@ final class MP4SampleDescriptionBox: MP4ContainerBox {
         let numberOfEntries:UInt32 = try buffer.readUInt32()
         for _ in 0..<numberOfEntries {
             let child:MP4Box = try create(fileHandle.readData(ofLength: 8), offset: offset)
-            offset += try child.loadFile(fileHandle)
+            offset += try child.load(fileHandle)
             children.append(child)
         }
 
@@ -452,7 +455,7 @@ final class MP4SampleToChunkBox: MP4Box {
 
     var entries:[Entry] = []
 
-    override func loadFile(_ fileHandle: FileHandle) throws -> UInt32 {
+    override func load(_ fileHandle: FileHandle) throws -> UInt32 {
         let buffer:ByteArray = ByteArray(data: fileHandle.readData(ofLength: Int(size) - 8))
         buffer.position += 4
 
@@ -491,7 +494,7 @@ final class MP4EditListBox: MP4Box {
     var version:UInt32 = 0
     var entries:[Entry] = []
 
-    override func loadFile(_ fileHandle: FileHandle) throws -> UInt32 {
+    override func load(_ fileHandle: FileHandle) throws -> UInt32 {
         let buffer:ByteArray = ByteArray(data: fileHandle.readData(ofLength: Int(size) - 8))
         
         version = try buffer.readUInt32()
@@ -511,7 +514,7 @@ final class MP4EditListBox: MP4Box {
 }
 
 // MARK: -
-final class MP4File: MP4ContainerBox {
+final class MP4Reader: MP4ContainerBox {
     var url:URL? = nil {
         didSet {
             if (url == nil) {
@@ -525,46 +528,46 @@ final class MP4File: MP4ContainerBox {
         }
     }
 
-    fileprivate var fileHandle:FileHandle? = nil
+    var isEmpty:Bool {
-
+        return getBoxes(byName: "mdhd").isEmpty
-    func isEmpty() -> Bool {
-        return getBoxesByName("mdhd").isEmpty
     }
 
-    func readDataOfLength(_ length: Int) -> Data {
+    private var fileHandle:FileHandle? = nil
-        return fileHandle!.readData(ofLength: length)
+
+    func seek(toFileOffset: UInt64) {
+        return fileHandle!.seek(toFileOffset: toFileOffset)
     }
 
-    func seekToFileOffset(_ offset: UInt64) {
+    func readData(ofLength: Int) -> Data {
-        return fileHandle!.seek(toFileOffset: offset)
+        return fileHandle!.readData(ofLength: ofLength)
     }
 
-    func readDataOfBox(_ box:MP4Box) -> Data {
+    func readData(ofBox:MP4Box) -> Data {
-        if (fileHandle == nil) {
+        guard let fileHandle:FileHandle = fileHandle else {
             return Data()
         }
-        let currentOffsetInFile:UInt64 = fileHandle!.offsetInFile
+        let currentOffsetInFile:UInt64 = fileHandle.offsetInFile
-        fileHandle!.seek(toFileOffset: box.offset + 8)
+        fileHandle.seek(toFileOffset: ofBox.offset + 8)
-        let data:Data = fileHandle!.readData(ofLength: Int(box.size) - 8)
+        let data:Data = fileHandle.readData(ofLength: Int(ofBox.size) - 8)
-        fileHandle!.seek(toFileOffset: currentOffsetInFile)
+        fileHandle.seek(toFileOffset: currentOffsetInFile)
         return data
     }
 
-    func loadFile() throws -> UInt32 {
+    func load() throws -> UInt32 {
-        if (fileHandle == nil) {
+        guard let fileHandle:FileHandle = self.fileHandle else {
             return 0
         }
-        return try self.loadFile(fileHandle!)
+        return try load(fileHandle)
     }
 
-    func closeFile() {
+    func close() {
         fileHandle?.closeFile()
     }
 
-    override func loadFile(_ fileHandle: FileHandle) throws -> UInt32 {
+    override func load(_ fileHandle: FileHandle) throws -> UInt32 {
         let size:UInt64 = fileHandle.seekToEndOfFile()
         fileHandle.seek(toFileOffset: 0)
         self.size = UInt32(size)
-        return try super.loadFile(fileHandle)
+        return try super.load(fileHandle)
     }
 }

Sources/ISO/MP4Sampler.swift

@@ -0,0 +1,215 @@
+import Foundation
+
+struct MP4SampleTable {
+    var trak:MP4Box
+    var currentOffset:UInt64 {
+        return UInt64(offset[cursor])
+    }
+    var currentIsKeyframe:Bool {
+        return keyframe[cursor] != nil
+    }
+    var currentDuration:Double {
+        return Double(totalTimeToSample) * 1000 / Double(timeScale)
+    }
+    var currentTimeToSample:Double {
+        return Double(timeToSample[cursor]) * 1000 / Double(timeScale)
+    }
+    var currentSampleSize:Int {
+        return Int((sampleSize.count == 1) ? sampleSize[0] : sampleSize[cursor])
+    }
+    private var cursor:Int = 0
+    private var offset:[UInt32] = []
+    private var keyframe:[Int:Bool] = [:]
+    private var timeScale:UInt32 = 0
+    private var sampleSize:[UInt32] = []
+    private var timeToSample:[UInt32] = []
+    private var totalTimeToSample:UInt32 = 0
+
+    init(trak:MP4Box) {
+        self.trak = trak
+
+        let mdhd:MP4Box? = trak.getBoxes(byName: "mdhd").first
+        if let mdhd:MP4MediaHeaderBox = mdhd as? MP4MediaHeaderBox {
+            timeScale = mdhd.timeScale
+        }
+
+        let stss:MP4Box? = trak.getBoxes(byName: "stss").first
+        if let stss:MP4SyncSampleBox = stss as? MP4SyncSampleBox {
+            var keyframes:[UInt32] = stss.entries
+            for i in 0..<keyframes.count {
+                keyframe[Int(keyframes[i])] = true
+            }
+        }
+
+        let stts:MP4Box? = trak.getBoxes(byName: "stts").first
+        if let stts:MP4TimeToSampleBox = stts as? MP4TimeToSampleBox {
+            var timeToSample:[MP4TimeToSampleBox.Entry] = stts.entries
+            for i in 0..<timeToSample.count {
+                let entry:MP4TimeToSampleBox.Entry = timeToSample[i]
+                for _ in 0..<entry.sampleCount {
+                    self.timeToSample.append(entry.sampleDuration)
+                }
+            }
+        }
+
+        let stsz:MP4Box? = trak.getBoxes(byName: "stsz").first
+        if let stsz:MP4SampleSizeBox = stsz as? MP4SampleSizeBox {
+            sampleSize = stsz.entries
+        }
+
+        let stco:MP4Box = trak.getBoxes(byName: "stco").first!
+        let stsc:MP4Box = trak.getBoxes(byName: "stsc").first!
+        var offsets:[UInt32] = (stco as! MP4ChunkOffsetBox).entries
+        var sampleToChunk:[MP4SampleToChunkBox.Entry] = (stsc as! MP4SampleToChunkBox).entries
+
+        var index:Int = 0
+        let count:Int = sampleToChunk.count
+
+        for i in 0..<count {
+            let j:Int = Int(sampleToChunk[i].firstChunk) - 1
+            let m:Int = (i + 1 < count) ? Int(sampleToChunk[i + 1].firstChunk) - 1 : offsets.count
+            for _ in j..<m {
+                var offset:UInt32 = offsets[j]
+                for _ in 0..<sampleToChunk[i].samplesPerChunk {
+                    self.offset.append(offset)
+                    offset += sampleSize[index]
+                    index += 1
+                }
+            }
+        }
+
+        totalTimeToSample = timeToSample[cursor]
+    }
+
+    func hasNext() -> Bool {
+        return cursor + 1 < offset.count
+    }
+
+    mutating func next() {
+        defer {
+            cursor += 1
+        }
+        totalTimeToSample += timeToSample[cursor]
+    }
+}
+
+extension MP4SampleTable: CustomStringConvertible {
+    // MARK: CustomStringConvertible
+    var description:String {
+        return Mirror(reflecting: self).description
+    }
+}
+
+// MARK: -
+protocol MP4SamplerDelegate: class {
+    func didSet(avcC: Data, withType:Int)
+    func didSet(audioDecorderSpecificConfig: Data, withType:Int)
+    func output(data: Data, withType:Int, currentTime:Double, keyframe:Bool)
+}
+
+// MARK: -
+class MP4Sampler {
+    typealias Handler = () -> Void
+
+    weak var delegate:MP4SamplerDelegate?
+
+    fileprivate(set) var running:Bool = false
+    fileprivate var files:[URL:Handler?] = [:]
+    fileprivate let fileQueue:DispatchQueue = DispatchQueue(label: "com.github.shogo4405.lf.MP4Sampler.file")
+    fileprivate let lockQueue:DispatchQueue = DispatchQueue(label: "com.github.shgoo4405.lf.MP4Sampler.lock")
+
+    private var reader:MP4Reader = MP4Reader()
+    private var sampleTables:[MP4SampleTable] = []
+
+    func append(file:URL, completionHandler: Handler? = nil) {
+        fileQueue.async {
+            self.files[file] = completionHandler
+        }
+    }
+
+    fileprivate func execute(url:URL) {
+
+        reader.url = url
+
+        do {
+            let _:UInt32 = try reader.load()
+        } catch {
+            logger.warning("")
+            return
+        }
+
+        sampleTables.removeAll()
+        var traks:[MP4Box] = reader.getBoxes(byName: "trak")
+        for i in 0..<traks.count {
+            sampleTables.append(MP4SampleTable(trak: traks[i]))
+        }
+
+        for i in 0..<sampleTables.count {
+            if let avcC:MP4Box = sampleTables[i].trak.getBoxes(byName: "avcC").first {
+                delegate?.didSet(avcC: reader.readData(ofBox: avcC), withType: i)
+            }
+            if let esds:MP4ElementaryStreamDescriptorBox = sampleTables[i].trak.getBoxes(byName: "esds").first as? MP4ElementaryStreamDescriptorBox {
+                delegate?.didSet(audioDecorderSpecificConfig: Data(esds.audioDecorderSpecificConfig), withType: i)
+            }
+        }
+
+        repeat {
+            for i in 0..<sampleTables.count {
+                autoreleasepool {
+                    reader.seek(toFileOffset: sampleTables[i].currentOffset)
+                    let length:Int = sampleTables[i].currentSampleSize
+                    delegate?.output(
+                        data: reader.readData(ofLength: length),
+                        withType: i,
+                        currentTime: sampleTables[i].currentTimeToSample,
+                        keyframe: sampleTables[i].currentIsKeyframe
+                    )
+                }
+                if (sampleTables[i].hasNext()) {
+                    sampleTables[i].next()
+                }
+            }
+        }
+        while inLoop(sampleTables: sampleTables)
+
+        reader.close()
+    }
+
+    fileprivate func run() {
+        if (files.isEmpty) {
+            return
+        }
+        let (key: url, value: handler) = files.popFirst()!
+        execute(url: url)
+        handler?()
+    }
+
+    private func inLoop(sampleTables:[MP4SampleTable]) -> Bool{
+        for i in sampleTables {
+            if (i.hasNext()) {
+                return true
+            }
+        }
+        return false
+    }
+}
+
+extension MP4Sampler: Runnable {
+    // MARK: Runnable
+    final func startRunning() {
+        lockQueue.async {
+            self.running = true
+            while (self.running) {
+                self.fileQueue.async {
+                    self.run()
+                }
+            }
+        }
+    }
+
+    final func stopRunning() {
+        lockQueue.async {
+            self.running = false
+        }
+    }
+}

Sources/ISO/PacketizedElementaryStream.swift

@@ -194,7 +194,7 @@ struct PacketizedElementaryStream: PESPacketHeader {
             packet.adaptationFieldFlag = true
             packet.adaptationField = TSAdaptationField()
             packet.adaptationField?.PCRFlag = true
-            packet.adaptationField?.PCR = TSProgramClockReference.encode(0, UInt16(PCR))
+            packet.adaptationField?.PCR = TSProgramClockReference.encode(PCR, 0)
             packet.adaptationField?.compute()
         }
         packet.payloadUnitStartIndicator = true

Sources/ISO/TSWriter.swift

@@ -58,10 +58,11 @@ class TSWriter {
     }
 
     func writeSampleBuffer(_ PID:UInt16, streamID:UInt8, sampleBuffer:CMSampleBuffer) {
+        let presentationTimeStamp:CMTime = sampleBuffer.presentationTimeStamp
         if (timestamps[PID] == nil) {
-            timestamps[PID] = sampleBuffer.presentationTimeStamp
+            timestamps[PID] = presentationTimeStamp
             if (PCRPID == PID) {
-                PCRTimestamp = sampleBuffer.presentationTimeStamp
+                PCRTimestamp = presentationTimeStamp
             }
         }
         let config:Any? = streamID == 192 ? audioConfig : videoConfig
@@ -71,9 +72,14 @@ class TSWriter {
             return
         }
         PES.streamID = streamID
-        let decodeTimeStamp:CMTime = sampleBuffer.decodeTimeStamp
+
+        var decodeTimeStamp:CMTime = sampleBuffer.decodeTimeStamp
+        if (decodeTimeStamp == kCMTimeInvalid) {
+            decodeTimeStamp = presentationTimeStamp
+        }
+
         var packets:[TSPacket] = split(PID, PES: PES, timestamp: decodeTimeStamp)
-        if (PCRPID == PID && rorateFileHandle(decodeTimeStamp, next: sampleBuffer.decodeTimeStamp)) {
+        if (PCRPID == PID && rorateFileHandle(decodeTimeStamp)) {
             packets[0].adaptationField?.randomAccessIndicator = true
             packets[0].adaptationField?.discontinuityIndicator = true
         }
@@ -106,7 +112,7 @@ class TSWriter {
         return packets
     }
 
-    func rorateFileHandle(_ timestamp:CMTime, next:CMTime) -> Bool {
+    func rorateFileHandle(_ timestamp:CMTime) -> Bool {
         let duration:Double = timestamp.seconds - rotatedTimestamp.seconds
         if (duration <= segmentDuration) {
             return false

Sources/Net/NetClient.swift

@@ -10,7 +10,7 @@ final class NetClient: NetSocket {
     static let defaultBufferSize:Int = 8192
 
     weak var delegate:NetClientDelegate?
-    fileprivate(set) var service:Foundation.NetService?
+    private(set) var service:Foundation.NetService?
 
     init(service:Foundation.NetService, inputStream:InputStream, outputStream:OutputStream) {
         super.init()

Sources/RTMP/FLVTag.swift

@@ -153,9 +153,7 @@ enum FLVAudioCodec:UInt8 {
 }
 
 // MARK: -
-struct FLVTag {
+enum FLVTagType:UInt8 {
-
-    enum TagType: UInt8 {
     case audio = 8
     case video = 9
     case data  = 18
@@ -182,7 +180,7 @@ struct FLVTag {
         }
     }
 
-        func createMessage(_ streamId: UInt32, timestamp: UInt32, buffer:Foundation.Data) -> RTMPMessage {
+    func message(with streamId: UInt32, timestamp: UInt32, buffer:Data) -> RTMPMessage {
         switch self {
         case .audio:
             return RTMPAudioMessage(streamId: streamId, timestamp: timestamp, buffer: buffer)
@@ -192,11 +190,14 @@ struct FLVTag {
             return RTMPDataMessage(objectEncoding: 0x00)
         }
     }
-    }
 
+}
+
+// MARK: -
+struct FLVTag {
     static let headerSize = 11
 
-    var tagType:TagType = .data
+    var tagType:FLVTagType = .data
     var dataSize:UInt32 = 0
     var timestamp:UInt32 = 0
     var timestampExtended:UInt8 = 0

Sources/RTMP/RTMPConnection.swift

@@ -5,10 +5,12 @@ import Foundation
  */
 open class Responder: NSObject {
 
-    private var result:(_ data:[Any?]) -> Void
+    public typealias Handler = (_ data:[Any?]) -> Void
-    private var status:((_ data:[Any?]) -> Void)?
 
-    public init(result:@escaping (_ data:[Any?]) -> Void, status:((_ data:[Any?]) -> Void)? = nil) {
+    private var result:Handler
+    private var status:Handler?
+
+    public init(result:@escaping Handler, status:Handler? = nil) {
         self.result = result
         self.status = status
     }
@@ -330,18 +332,6 @@ open class RTMPConnection: EventDispatcher {
         }
     }
 
-    @objc private func on(timer:Timer) {
-        let totalBytesIn:Int64 = self.totalBytesIn
-        let totalBytesOut:Int64 = self.totalBytesOut
-        currentBytesInPerSecond = Int32(totalBytesIn - previousTotalBytesIn)
-        currentBytesOutPerSecond = Int32(totalBytesOut - previousTotalBytesOut)
-        previousTotalBytesIn = totalBytesIn
-        previousTotalBytesOut = totalBytesOut
-        for (_, stream) in streams {
-            stream.on(timer: timer)
-        }
-    }
-
     fileprivate func createConnectionChunk() -> RTMPChunk? {
         guard let uri:URL = uri else {
             return nil
@@ -378,6 +368,18 @@ open class RTMPConnection: EventDispatcher {
 
         return RTMPChunk(message: message)
     }
+
+    @objc private func on(timer:Timer) {
+        let totalBytesIn:Int64 = self.totalBytesIn
+        let totalBytesOut:Int64 = self.totalBytesOut
+        currentBytesInPerSecond = Int32(totalBytesIn - previousTotalBytesIn)
+        currentBytesOutPerSecond = Int32(totalBytesOut - previousTotalBytesOut)
+        previousTotalBytesIn = totalBytesIn
+        previousTotalBytesOut = totalBytesOut
+        for (_, stream) in streams {
+            stream.on(timer: timer)
+        }
+    }
 }
 
 extension RTMPConnection: RTMPSocketDelegate {

Sources/RTMP/RTMPMessage.swift

@@ -345,7 +345,7 @@ final class RTMPCommandMessage: RTMPMessage {
             case "close":
                 connection.close()
             default:
-                connection.dispatch(type: Event.RTMP_STATUS, bubbles: false, data: arguments.isEmpty ? nil : arguments[0])
+                connection.dispatch(Event.RTMP_STATUS, bubbles: false, data: arguments.isEmpty ? nil : arguments[0])
             }
             return
         }
@@ -371,7 +371,7 @@ final class RTMPDataMessage: RTMPMessage {
     var handlerName:String = ""
     var arguments:[Any?] = []
 
-    fileprivate var serializer:AMFSerializer = AMF0Serializer()
+    private var serializer:AMFSerializer = AMF0Serializer()
 
     override var payload:[UInt8] {
         get {
@@ -533,10 +533,10 @@ final class RTMPSharedObjectMessage: RTMPMessage {
 final class RTMPAudioMessage: RTMPMessage {
     var config:AudioSpecificConfig?
 
-    fileprivate(set) var codec:FLVAudioCodec = .unknown
+    private(set) var codec:FLVAudioCodec = .unknown
-    fileprivate(set) var soundRate:FLVSoundRate = .kHz44
+    private(set) var soundRate:FLVSoundRate = .kHz44
-    fileprivate(set) var soundSize:FLVSoundSize = .snd8bit
+    private(set) var soundSize:FLVSoundSize = .snd8bit
-    fileprivate(set) var soundType:FLVSoundType = .stereo
+    private(set) var soundType:FLVSoundType = .stereo
 
     var soundData:[UInt8] {
         let data:[UInt8] = payload.isEmpty ? [] : Array(payload[codec.headerSize..<payload.count])
@@ -618,8 +618,8 @@ final class RTMPAudioMessage: RTMPMessage {
  7.1.5. Video Message (9)
  */
 final class RTMPVideoMessage: RTMPMessage {
-    fileprivate(set) var codec:FLVVideoCodec = .unknown
+    private(set) var codec:FLVVideoCodec = .unknown
-    fileprivate(set) var status:OSStatus = noErr
+    private(set) var status:OSStatus = noErr
 
     init() {
         super.init(type: .video)
@@ -638,7 +638,7 @@ final class RTMPVideoMessage: RTMPMessage {
             return
         }
         OSAtomicAdd64(Int64(payload.count), &stream.info.byteCount)
-        guard FLVTag.TagType.video.headerSize < payload.count else {
+        guard FLVTagType.video.headerSize < payload.count else {
             return
         }
         switch payload[1] {
@@ -661,7 +661,7 @@ final class RTMPVideoMessage: RTMPMessage {
             decodeTimeStamp: kCMTimeInvalid
         )
 
-        let bytes:[UInt8] = Array(payload[FLVTag.TagType.video.headerSize..<payload.count])
+        let bytes:[UInt8] = Array(payload[FLVTagType.video.headerSize..<payload.count])
         var sample:[UInt8] = bytes
         let sampleSize:Int = bytes.count
         var blockBuffer:CMBlockBuffer?
@@ -680,7 +680,7 @@ final class RTMPVideoMessage: RTMPMessage {
 
     func createFormatDescription(_ stream: RTMPStream) -> OSStatus {
         var config:AVCConfigurationRecord = AVCConfigurationRecord()
-        config.bytes = Array(payload[FLVTag.TagType.video.headerSize..<payload.count])
+        config.bytes = Array(payload[FLVTagType.video.headerSize..<payload.count])
         return config.createFormatDescription(&stream.mixer.videoIO.formatDescription)
     }
 }
@@ -764,7 +764,7 @@ final class RTMPUserControlMessage: RTMPMessage {
                 message: RTMPUserControlMessage(event: .pong, value: value)
             ))
         case .bufferEmpty, .bufferFull:
-            connection.streams[UInt32(value)]?.dispatch(type: "rtmpStatus", bubbles: false, data: [
+            connection.streams[UInt32(value)]?.dispatch("rtmpStatus", bubbles: false, data: [
                 "level": "status",
                 "code": description,
                 "description": ""

Sources/RTMP/RTMPMuxer.swift

@@ -8,8 +8,12 @@ protocol RTMPMuxerDelegate: class {
 
 // MARK: -
 final class RTMPMuxer {
-    weak var delegate:RTMPMuxerDelegate? = nil
+    static let aac:UInt8 = FLVAudioCodec.aac.rawValue << 4 | FLVSoundRate.kHz44.rawValue << 2 | FLVSoundSize.snd16bit.rawValue << 1 | FLVSoundType.stereo.rawValue
 
+    weak var delegate:RTMPMuxerDelegate? = nil
+    fileprivate var avcC:Data?
+    fileprivate var audioDecorderSpecificConfig:Data?
+    fileprivate var timestamps:[Int:Double] = [:]
     fileprivate var audioTimestamp:CMTime = kCMTimeZero
     fileprivate var videoTimestamp:CMTime = kCMTimeZero
 
@@ -21,7 +25,6 @@ final class RTMPMuxer {
 
 extension RTMPMuxer: AudioEncoderDelegate {
     // MARK: AudioEncoderDelegate
-    private static let aac:UInt8 = FLVAudioCodec.aac.rawValue << 4 | FLVSoundRate.kHz44.rawValue << 2 | FLVSoundSize.snd16bit.rawValue << 1 | FLVSoundType.stereo.rawValue
 
     func didSetFormatDescription(audio formatDescription: CMFormatDescription?) {
         guard let formatDescription:CMFormatDescription = formatDescription else {
@@ -95,3 +98,49 @@ extension RTMPMuxer: VideoEncoderDelegate {
         videoTimestamp = decodeTimeStamp
     }
 }
+
+extension RTMPMuxer: MP4SamplerDelegate {
+    // MP4SampleDelegate
+    func didSet(avcC: Data, withType:Int) {
+        if (avcC == self.avcC) {
+            return
+        }
+        var buffer:Data = Data([FLVFrameType.key.rawValue << 4 | FLVVideoCodec.avc.rawValue, FLVAVCPacketType.seq.rawValue, 0, 0, 0])
+        buffer.append(avcC)
+        delegate?.sampleOutput(video: buffer, withTimestamp: 0, muxer: self)
+        self.avcC = avcC
+    }
+
+    func didSet(audioDecorderSpecificConfig: Data, withType:Int) {
+        if (withType == 2) {
+            return
+        }
+        if (audioDecorderSpecificConfig == self.audioDecorderSpecificConfig) {
+            return
+        }
+        var buffer:Data = Data([RTMPMuxer.aac, FLVAACPacketType.raw.rawValue])
+        buffer.append(audioDecorderSpecificConfig)
+        delegate?.sampleOutput(audio: buffer, withTimestamp: 0, muxer: self)
+        self.audioDecorderSpecificConfig = audioDecorderSpecificConfig
+    }
+
+    func output(data:Data, withType:Int, currentTime:Double, keyframe:Bool) {
+        let delta:Double = (timestamps[withType] == nil) ? 0 : timestamps[withType]!
+        switch withType {
+        case 0:
+            print(delta)
+            let compositionTime:Int32 = 0
+            var buffer:Data = Data([((keyframe ? FLVFrameType.key.rawValue : FLVFrameType.inter.rawValue) << 4) | FLVVideoCodec.avc.rawValue, FLVAVCPacketType.nal.rawValue])
+            buffer.append(contentsOf: compositionTime.bigEndian.bytes[1..<4])
+            buffer.append(data)
+            delegate?.sampleOutput(video: buffer, withTimestamp: delta, muxer: self)
+        case 1:
+            var buffer:Data = Data([RTMPMuxer.aac, FLVAACPacketType.raw.rawValue])
+            buffer.append(data)
+            delegate?.sampleOutput(audio: buffer, withTimestamp: delta, muxer: self)
+        default:
+            break
+        }
+        timestamps[withType] = currentTime
+    }
+}

Sources/RTMP/RTMPSharedObject.swift

@@ -192,7 +192,7 @@ open class RTMPSharedObject: EventDispatcher {
             }
             changeList.append(change)
         }
-        dispatch(type: Event.SYNC, bubbles: false, data: changeList)
+        dispatch(Event.SYNC, bubbles: false, data: changeList)
     }
 
     func createChunk(_ events:[RTMPSharedObjectEvent]) -> RTMPChunk {

Sources/RTMP/RTMPSocket.swift

@@ -150,7 +150,7 @@ final class RTMPSocket: NetSocket, RTMPSocketCompatible {
 
     override func didTimeout() {
         deinitConnection(isDisconnected: false)
-        delegate?.dispatch(type: Event.IO_ERROR, bubbles: false, data: nil)
+        delegate?.dispatch(Event.IO_ERROR, bubbles: false, data: nil)
         logger.warning("connection timedout")
     }
 }

Sources/RTMP/RTMPStream.swift

@@ -224,7 +224,7 @@ open class RTMPStream: NetStream {
     open static let defaultVideoBitrate:UInt32 = AVCEncoder.defaultBitrate
     open internal(set) var info:RTMPStreamInfo = RTMPStreamInfo()
     open fileprivate(set) var objectEncoding:UInt8 = RTMPConnection.defaultObjectEncoding
-    open fileprivate(set) dynamic var currentFPS:UInt8 = 0
+    open fileprivate(set) dynamic var currentFPS:UInt16 = 0
     open var soundTransform:SoundTransform {
         get { return audioPlayback.soundTransform }
         set { audioPlayback.soundTransform = newValue }
@@ -242,6 +242,7 @@ open class RTMPStream: NetStream {
                 send(handlerName: "@setDataFrame", arguments: "onMetaData", createMetaData())
                 mixer.audioIO.encoder.startRunning()
                 mixer.videoIO.encoder.startRunning()
+                sampler.startRunning()
                 if (howToPublish == .localRecord) {
                     mixer.recorder.fileName = info.resourceName
                     mixer.recorder.startRunning()
@@ -256,8 +257,9 @@ open class RTMPStream: NetStream {
     var videoTimestamp:Double = 0
     fileprivate(set) var audioPlayback:RTMPAudioPlayback = RTMPAudioPlayback()
     fileprivate var muxer:RTMPMuxer = RTMPMuxer()
-    fileprivate var frameCount:UInt8 = 0
+    fileprivate var sampler:MP4Sampler = MP4Sampler()
-    fileprivate var chunkTypes:[FLVTag.TagType:Bool] = [:]
+    fileprivate var frameCount:UInt16 = 0
+    fileprivate var chunkTypes:[FLVTagType:Bool] = [:]
     fileprivate var dispatcher:IEventDispatcher!
     fileprivate var howToPublish:RTMPStream.HowToPublish = .live
     fileprivate var rtmpConnection:RTMPConnection
@@ -390,6 +392,7 @@ open class RTMPStream: NetStream {
                 self.mixer.videoIO.encoder.delegate = nil
                 self.mixer.audioIO.encoder.stopRunning()
                 self.mixer.videoIO.encoder.stopRunning()
+                self.sampler.stopRunning()
                 self.mixer.recorder.stopRunning()
                 self.FCUnpublish()
                 self.rtmpConnection.socket.doOutput(chunk: RTMPChunk(
@@ -419,6 +422,7 @@ open class RTMPStream: NetStream {
             #endif
             self.mixer.audioIO.encoder.delegate = self.muxer
             self.mixer.videoIO.encoder.delegate = self.muxer
+            self.sampler.delegate = self.muxer
             self.mixer.startRunning()
             self.chunkTypes.removeAll()
             self.FCPublish()
@@ -491,6 +495,10 @@ open class RTMPStream: NetStream {
         return metadata
     }
 
+    func append(url:URL, completionHandler: MP4Sampler.Handler? = nil) {
+        sampler.append(file: url, completionHandler: completionHandler)
+    }
+
     func on(timer:Timer) {
         currentFPS = frameCount
         frameCount = 0
@@ -541,8 +549,8 @@ extension RTMPStream: IEventDispatcher {
     public func dispatch(event:Event) {
         dispatcher.dispatch(event: event)
     }
-    public func dispatch(type:String, bubbles:Bool, data:Any?) {
+    public func dispatch(_ type:String, bubbles:Bool, data:Any?) {
-        dispatcher.dispatch(type: type, bubbles: bubbles, data: data)
+        dispatcher.dispatch(type, bubbles: bubbles, data: data)
     }
 }
 
@@ -552,11 +560,11 @@ extension RTMPStream: RTMPMuxerDelegate {
         guard readyState == .publishing else {
             return
         }
-        let type:FLVTag.TagType = .audio
+        let type:FLVTagType = .audio
         let length:Int = rtmpConnection.socket.doOutput(chunk: RTMPChunk(
             type: chunkTypes[type] == nil ? .zero : .one,
             streamId: type.streamId,
-            message: type.createMessage(id, timestamp: UInt32(audioTimestamp), buffer: buffer)
+            message: type.message(with: id, timestamp: UInt32(audioTimestamp), buffer: buffer)
         ))
         chunkTypes[type] = true
         OSAtomicAdd64(Int64(length), &info.byteCount)
@@ -567,15 +575,15 @@ extension RTMPStream: RTMPMuxerDelegate {
         guard readyState == .publishing else {
             return
         }
-        let type:FLVTag.TagType = .video
+        let type:FLVTagType = .video
         let length:Int = rtmpConnection.socket.doOutput(chunk: RTMPChunk(
             type: chunkTypes[type] == nil ? .zero : .one,
             streamId: type.streamId,
-            message: type.createMessage(id, timestamp: UInt32(videoTimestamp), buffer: buffer)
+            message: type.message(with: id, timestamp: UInt32(videoTimestamp), buffer: buffer)
         ))
         chunkTypes[type] = true
         OSAtomicAdd64(Int64(length), &info.byteCount)
         videoTimestamp = withTimestamp + (videoTimestamp - floor(videoTimestamp))
-        frameCount = (frameCount + 1) & 0xFF
+        frameCount += 1
     }
 }

Sources/RTMP/RTMPTSocket.swift

@@ -43,15 +43,16 @@ final class RTMPTSocket: NSObject, RTMPSocketCompatible {
     }
 
     private var delay:UInt8 = 1
-    private var mutex:Mutex = Mutex()
     private var index:Int64 = 0
     private var events:[Event] = []
     private var baseURL:URL!
     private var session:URLSession!
     private var c2packet:[UInt8] = []
     private var isPending:Bool = false
+    private let outputQueue:DispatchQueue = DispatchQueue(label: "com.github.shgoo4405.lf.RTMPTSocket.output")
     private var connectionID:String!
     private var outputBuffer:[UInt8] = []
+    private var lastResponse:Date = Date()
 
     override init() {
         super.init()
@@ -77,20 +78,13 @@ final class RTMPTSocket: NSObject, RTMPSocketCompatible {
         for chunk in chunks {
             bytes.append(contentsOf: chunk)
         }
-        do {
+        outputQueue.sync {
-            try mutex.lock()
+            self.outputBuffer.append(contentsOf: bytes)
-            outputBuffer.append(contentsOf: bytes)
+            if (!self.isPending) {
-            if (!isPending) {
+                self.isPending = true
-                isPending = true
+                self.doOutput(bytes: self.outputBuffer)
-                doOutput(bytes: outputBuffer)
+                self.outputBuffer.removeAll()
-                outputBuffer.removeAll()
             }
-            mutex.unlock()
-        } catch {
-            logger.warning("")
-        }
-        if (logger.isEnabledForLogLevel(.verbose)) {
-            logger.verbose("\(chunk)")
         }
         return bytes.count
     }
@@ -121,17 +115,14 @@ final class RTMPTSocket: NSObject, RTMPSocketCompatible {
             return
         }
 
-        do {
+        lastResponse = Date()
-            try mutex.lock()
+        outputQueue.sync {
-            if (outputBuffer.isEmpty) {
+            if (self.outputBuffer.isEmpty) {
-                isPending = false
+                self.isPending = false
             } else {
-                doOutput(bytes: outputBuffer)
+                self.doOutput(bytes: outputBuffer)
-                outputBuffer.removeAll()
+                self.outputBuffer.removeAll()
             }
-            mutex.unlock()
-        } catch {
-            logger.warning()
         }
 
         guard

Sources/Util/EventDispatcher.swift

@@ -7,7 +7,7 @@ public protocol IEventDispatcher: class {
     func addEventListener(_ type:String, selector:Selector, observer:AnyObject?, useCapture:Bool)
     func removeEventListener(_ type:String, selector:Selector, observer:AnyObject?, useCapture:Bool)
     func dispatch(event:Event)
-    func dispatch(type:String, bubbles:Bool, data:Any?)
+    func dispatch(_ type:String, bubbles:Bool, data:Any?)
 }
 
 public enum EventPhase: UInt8 {
@@ -92,7 +92,7 @@ open class EventDispatcher: NSObject, IEventDispatcher {
         event.target = nil
     }
 
-    public final func dispatch(type:String, bubbles:Bool, data:Any?) {
+    public final func dispatch(_ type:String, bubbles:Bool, data:Any?) {
         dispatch(event: Event(type: type, bubbles: bubbles, data: data))
     }
 }

lf.xcodeproj/project.pbxproj

@@ -26,6 +26,9 @@
 		29245AEE1D32347E00AFFB9A /* VideoGravityUtil.swift in Sources */ = {isa = PBXBuildFile; fileRef = 29245AEC1D3233EB00AFFB9A /* VideoGravityUtil.swift */; };
 		29245AEF1D32348400AFFB9A /* VideoGravityUtil.swift in Sources */ = {isa = PBXBuildFile; fileRef = 29245AEC1D3233EB00AFFB9A /* VideoGravityUtil.swift */; };
 		292AC17C1CF4C871004F5730 /* MD5.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2942424C1CF4C01300D65DCB /* MD5.swift */; };
+		292D8A331D8B293300DBECE2 /* MP4Sampler.swift in Sources */ = {isa = PBXBuildFile; fileRef = 292D8A321D8B293300DBECE2 /* MP4Sampler.swift */; };
+		292D8A341D8B294900DBECE2 /* MP4Sampler.swift in Sources */ = {isa = PBXBuildFile; fileRef = 292D8A321D8B293300DBECE2 /* MP4Sampler.swift */; };
+		292D8A351D8B294E00DBECE2 /* MP4Reader.swift in Sources */ = {isa = PBXBuildFile; fileRef = 29798E511CE5DF1900F5CBD0 /* MP4Reader.swift */; };
 		2931204C1D4522CF00B14211 /* RTSPRequest.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2931204B1D4522CF00B14211 /* RTSPRequest.swift */; };
 		2931204E1D4522E400B14211 /* RTSPResponse.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2931204D1D4522E400B14211 /* RTSPResponse.swift */; };
 		2931204F1D4529F900B14211 /* RTSPRequest.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2931204B1D4522CF00B14211 /* RTSPRequest.swift */; };
@@ -36,6 +39,11 @@
 		2942424F1CF4C02300D65DCB /* MD5Tests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2942424E1CF4C02300D65DCB /* MD5Tests.swift */; };
 		294852571D852499002DE492 /* RTMPTSocket.swift in Sources */ = {isa = PBXBuildFile; fileRef = 294852551D84BFAD002DE492 /* RTMPTSocket.swift */; };
 		2955F51F1D09EBAD004CC995 /* VisualEffect.swift in Sources */ = {isa = PBXBuildFile; fileRef = 296897461CDB01D20074D5F0 /* VisualEffect.swift */; };
+		2962425E1D8BFC7B00C451A3 /* MovieClipHandler.swift in Sources */ = {isa = PBXBuildFile; fileRef = 292D8A301D8B233C00DBECE2 /* MovieClipHandler.swift */; };
+		296242611D8DB86500C451A3 /* TSReader.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2962425F1D8DB86500C451A3 /* TSReader.swift */; };
+		296242621D8DB86500C451A3 /* TSWriter.swift in Sources */ = {isa = PBXBuildFile; fileRef = 296242601D8DB86500C451A3 /* TSWriter.swift */; };
+		296242631D8DBA8C00C451A3 /* TSReader.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2962425F1D8DB86500C451A3 /* TSReader.swift */; };
+		296242641D8DBA9000C451A3 /* TSWriter.swift in Sources */ = {isa = PBXBuildFile; fileRef = 296242601D8DB86500C451A3 /* TSWriter.swift */; };
 		2965434F1D62FAED00734698 /* RTMPConnectionTests.m in Sources */ = {isa = PBXBuildFile; fileRef = 2965434E1D62FAED00734698 /* RTMPConnectionTests.m */; };
 		296543601D62FE6A00734698 /* AudioUtil.swift in Sources */ = {isa = PBXBuildFile; fileRef = 296543561D62FE6200734698 /* AudioUtil.swift */; };
 		296543611D62FE7100734698 /* GLLFView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 296543571D62FE6200734698 /* GLLFView.swift */; };
@@ -54,7 +62,7 @@
 		2976A4821D4902CE00B53EF2 /* IOComponent.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2976A4801D49025B00B53EF2 /* IOComponent.swift */; };
 		2976A4861D4903C300B53EF2 /* DeviceUtil.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2976A4851D4903C300B53EF2 /* DeviceUtil.swift */; };
 		2976A4871D49045700B53EF2 /* DeviceUtil.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2976A4851D4903C300B53EF2 /* DeviceUtil.swift */; };
-		29798E521CE5DF1A00F5CBD0 /* MP4File.swift in Sources */ = {isa = PBXBuildFile; fileRef = 29798E511CE5DF1900F5CBD0 /* MP4File.swift */; };
+		29798E521CE5DF1A00F5CBD0 /* MP4Reader.swift in Sources */ = {isa = PBXBuildFile; fileRef = 29798E511CE5DF1900F5CBD0 /* MP4Reader.swift */; };
 		29798E671CE610F500F5CBD0 /* lf.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 29B8761B1CD701F900FC07DA /* lf.framework */; };
 		29798E691CE6110F00F5CBD0 /* ASClassTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 29B876CE1CD70CE700FC07DA /* ASClassTests.swift */; };
 		29798E6A1CE6110F00F5CBD0 /* ByteArrayTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 29B876CF1CD70CE700FC07DA /* ByteArrayTests.swift */; };
@@ -81,7 +89,6 @@
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-		29A39C901D85BF9C007C27E9 /* SampleHandler.swift in Sources */ = {isa = PBXBuildFile; fileRef = 29A39C8A1D85BF30007C27E9 /* SampleHandler.swift */; };
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@@ -98,8 +105,6 @@
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-		29B8767B1CD70ACE00FC07DA /* TSReader.swift in Sources */ = {isa = PBXBuildFile; fileRef = 29B876741CD70ACE00FC07DA /* TSReader.swift */; };
-		29B8767C1CD70ACE00FC07DA /* TSWriter.swift in Sources */ = {isa = PBXBuildFile; fileRef = 29B876751CD70ACE00FC07DA /* TSWriter.swift */; };
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@@ -143,8 +148,6 @@
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-		29B876FB1CD70D5A00FC07DA /* TSReader.swift in Sources */ = {isa = PBXBuildFile; fileRef = 29B876741CD70ACE00FC07DA /* TSReader.swift */; };
-		29B876FC1CD70D5A00FC07DA /* TSWriter.swift in Sources */ = {isa = PBXBuildFile; fileRef = 29B876751CD70ACE00FC07DA /* TSWriter.swift */; };
 		29B876FD1CD70D5A00FC07DA /* AudioSpecificConfig.swift in Sources */ = {isa = PBXBuildFile; fileRef = 29B8767D1CD70AE800FC07DA /* AudioSpecificConfig.swift */; };
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@@ -282,6 +285,8 @@
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+		292D8A301D8B233C00DBECE2 /* MovieClipHandler.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = MovieClipHandler.swift; path = Examples/iOS/Screencast/MovieClipHandler.swift; sourceTree = "<group>"; };
+		292D8A321D8B293300DBECE2 /* MP4Sampler.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = MP4Sampler.swift; path = Sources/ISO/MP4Sampler.swift; sourceTree = SOURCE_ROOT; };
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@@ -289,6 +294,8 @@
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+		2962425F1D8DB86500C451A3 /* TSReader.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = TSReader.swift; path = Sources/ISO/TSReader.swift; sourceTree = SOURCE_ROOT; };
+		296242601D8DB86500C451A3 /* TSWriter.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = TSWriter.swift; path = Sources/ISO/TSWriter.swift; sourceTree = SOURCE_ROOT; };
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@@ -312,7 +319,7 @@
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+		29798E511CE5DF1900F5CBD0 /* MP4Reader.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = MP4Reader.swift; path = Sources/ISO/MP4Reader.swift; sourceTree = SOURCE_ROOT; };
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@@ -331,7 +338,6 @@
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-		29A39C8A1D85BF30007C27E9 /* SampleHandler.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = SampleHandler.swift; path = Examples/iOS/Screencast/SampleHandler.swift; sourceTree = "<group>"; };
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@@ -348,8 +354,6 @@
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-		29B876741CD70ACE00FC07DA /* TSReader.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = TSReader.swift; path = Sources/HTTP/TSReader.swift; sourceTree = SOURCE_ROOT; };
-		29B876751CD70ACE00FC07DA /* TSWriter.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; name = TSWriter.swift; path = Sources/HTTP/TSWriter.swift; sourceTree = SOURCE_ROOT; };
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@@ -666,11 +670,14 @@
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 				29B8767E1CD70AE800FC07DA /* H264+AVC.swift */,
-				29798E511CE5DF1900F5CBD0 /* MP4File.swift */,
+				29798E511CE5DF1900F5CBD0 /* MP4Reader.swift */,
+				292D8A321D8B293300DBECE2 /* MP4Sampler.swift */,
 				29B8767F1CD70AE800FC07DA /* NALUnit.swift */,
 				29B876801CD70AE800FC07DA /* PacketizedElementaryStream.swift */,
 				29B876811CD70AE800FC07DA /* ProgramSpecific.swift */,
 				29B876821CD70AE800FC07DA /* TransportStream.swift */,
+				2962425F1D8DB86500C451A3 /* TSReader.swift */,
+				296242601D8DB86500C451A3 /* TSWriter.swift */,
 			);
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@@ -683,8 +690,6 @@
 				29B876711CD70ACE00FC07DA /* HTTPService.swift */,
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 				29B876731CD70ACE00FC07DA /* M3U.swift */,
-				29B876741CD70ACE00FC07DA /* TSReader.swift */,
-				29B876751CD70ACE00FC07DA /* TSWriter.swift */,
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@@ -823,7 +828,7 @@
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 			children = (
 				29A39C881D85BF30007C27E9 /* Info.plist */,
-				29A39C8A1D85BF30007C27E9 /* SampleHandler.swift */,
+				292D8A301D8B233C00DBECE2 /* MovieClipHandler.swift */,
 			);
 			name = Screencast;
 			sourceTree = "<group>";
@@ -1485,7 +1490,7 @@
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 			buildActionMask = 2147483647;
 			files = (
-				29A39C901D85BF9C007C27E9 /* SampleHandler.swift in Sources */,
+				2962425E1D8BFC7B00C451A3 /* MovieClipHandler.swift in Sources */,
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@@ -1511,7 +1516,6 @@
 				29B8766E1CD70AB300FC07DA /* SiwftCore+Extension.swift in Sources */,
 				2901A4EE1D437170002BBD23 /* ClockedQueue.swift in Sources */,
 				29B876941CD70AFE00FC07DA /* SoundTransform.swift in Sources */,
-				29B8767B1CD70ACE00FC07DA /* TSReader.swift in Sources */,
 				2931204C1D4522CF00B14211 /* RTSPRequest.swift in Sources */,
 				29B876861CD70AE800FC07DA /* PacketizedElementaryStream.swift in Sources */,
 				29B876761CD70ACE00FC07DA /* HTTPRequest.swift in Sources */,
@@ -1519,6 +1523,7 @@
 				299AE0E51D44EC7800D26A49 /* RTSPSocket.swift in Sources */,
 				29DD70E61D68CF020021904A /* RTPPacket.swift in Sources */,
 				29B876AD1CD70B2800FC07DA /* ASClass.swift in Sources */,
+				296242611D8DB86500C451A3 /* TSReader.swift in Sources */,
 				29B8766B1CD70AB300FC07DA /* Foundation+Extension.swift in Sources */,
 				2981B7F41D7345D5002FA821 /* SessionDescription.swift in Sources */,
 				2931204E1D4522E400B14211 /* RTSPResponse.swift in Sources */,
@@ -1529,10 +1534,10 @@
 				299B13271D3B751400A1E8F5 /* LFView.swift in Sources */,
 				29B876AF1CD70B2800FC07DA /* RTMPChunk.swift in Sources */,
 				29B876841CD70AE800FC07DA /* H264+AVC.swift in Sources */,
+				296242621D8DB86500C451A3 /* TSWriter.swift in Sources */,
 				29B8769B1CD70B1100FC07DA /* MIME.swift in Sources */,
 				29A39C921D85CF5F007C27E9 /* RTMPSampleHandler.swift in Sources */,
 				29B8769C1CD70B1100FC07DA /* NetClient.swift in Sources */,
-				29B8767C1CD70ACE00FC07DA /* TSWriter.swift in Sources */,
 				29B876871CD70AE800FC07DA /* ProgramSpecific.swift in Sources */,
 				29B876B01CD70B2800FC07DA /* RTMPConnection.swift in Sources */,
 				29B876B61CD70B2800FC07DA /* RTMPStream.swift in Sources */,
@@ -1558,7 +1563,8 @@
 				29B8769D1CD70B1100FC07DA /* NetService.swift in Sources */,
 				29B8769E1CD70B1100FC07DA /* NetSocket.swift in Sources */,
 				29B876791CD70ACE00FC07DA /* HTTPStream.swift in Sources */,
-				29798E521CE5DF1A00F5CBD0 /* MP4File.swift in Sources */,
+				292D8A331D8B293300DBECE2 /* MP4Sampler.swift in Sources */,
+				29798E521CE5DF1A00F5CBD0 /* MP4Reader.swift in Sources */,
 				29B876AC1CD70B2800FC07DA /* AMF3Serializer.swift in Sources */,
 				29B876921CD70AFE00FC07DA /* AVMixer.swift in Sources */,
 				29B876911CD70AFE00FC07DA /* AudioStreamPlayback.swift in Sources */,
@@ -1616,16 +1622,18 @@
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 				29B876FA1CD70D5900FC07DA /* M3U.swift in Sources */,
-				29B876FB1CD70D5A00FC07DA /* TSReader.swift in Sources */,
+				292D8A341D8B294900DBECE2 /* MP4Sampler.swift in Sources */,
-				29B876FC1CD70D5A00FC07DA /* TSWriter.swift in Sources */,
 				29B876FD1CD70D5A00FC07DA /* AudioSpecificConfig.swift in Sources */,
+				296242631D8DBA8C00C451A3 /* TSReader.swift in Sources */,
 				29B876FE1CD70D5A00FC07DA /* H264+AVC.swift in Sources */,
 				294852571D852499002DE492 /* RTMPTSocket.swift in Sources */,
 				29245AEE1D32347E00AFFB9A /* VideoGravityUtil.swift in Sources */,
+				292D8A351D8B294E00DBECE2 /* MP4Reader.swift in Sources */,
 				29B876FF1CD70D5A00FC07DA /* NALUnit.swift in Sources */,
 				29B877001CD70D5A00FC07DA /* PacketizedElementaryStream.swift in Sources */,
 				29B877011CD70D5A00FC07DA /* ProgramSpecific.swift in Sources */,
 				29B877021CD70D5A00FC07DA /* TransportStream.swift in Sources */,
+				296242641D8DBA9000C451A3 /* TSWriter.swift in Sources */,
 				29B877031CD70D5A00FC07DA /* AudioIOComponent.swift in Sources */,
 				29B877041CD70D5A00FC07DA /* AudioStreamPlayback.swift in Sources */,
 				2931204F1D4529F900B14211 /* RTSPRequest.swift in Sources */,