🐛 Fixes of videos and more

ios/SolianBroadcastExtension/SampleHandler.swift

@@ -0,0 +1,103 @@
+//
+//  SampleHandler.swift
+//  Broadcast Extension
+//
+//  Created by Alex-Dan Bumbu on 04.06.2021.
+//
+
+import ReplayKit
+import OSLog
+
+let broadcastLogger = OSLog(subsystem: "dev.solsynth.solian", category: "Broadcast")
+private enum Constants {
+    // the App Group ID value that the app and the broadcast extension targets are setup with. It differs for each app.
+    static let appGroupIdentifier = "group.solsynth.solian"
+}
+
+class SampleHandler: RPBroadcastSampleHandler {
+
+    private var clientConnection: SocketConnection?
+    private var uploader: SampleUploader?
+
+    private var frameCount: Int = 0
+
+    var socketFilePath: String {
+      let sharedContainer = FileManager.default.containerURL(forSecurityApplicationGroupIdentifier: Constants.appGroupIdentifier)
+        return sharedContainer?.appendingPathComponent("rtc_SSFD").path ?? ""
+    }
+
+    override init() {
+      super.init()
+        if let connection = SocketConnection(filePath: socketFilePath) {
+          clientConnection = connection
+          setupConnection()
+
+          uploader = SampleUploader(connection: connection)
+        }
+        os_log(.debug, log: broadcastLogger, "%{public}s", socketFilePath)
+    }
+
+    override func broadcastStarted(withSetupInfo setupInfo: [String: NSObject]?) {
+        // User has requested to start the broadcast. Setup info from the UI extension can be supplied but optional.
+        frameCount = 0
+
+        DarwinNotificationCenter.shared.postNotification(.broadcastStarted)
+        openConnection()
+    }
+
+    override func broadcastPaused() {
+        // User has requested to pause the broadcast. Samples will stop being delivered.
+    }
+
+    override func broadcastResumed() {
+        // User has requested to resume the broadcast. Samples delivery will resume.
+    }
+
+    override func broadcastFinished() {
+        // User has requested to finish the broadcast.
+        DarwinNotificationCenter.shared.postNotification(.broadcastStopped)
+        clientConnection?.close()
+    }
+
+    override func processSampleBuffer(_ sampleBuffer: CMSampleBuffer, with sampleBufferType: RPSampleBufferType) {
+        switch sampleBufferType {
+        case RPSampleBufferType.video:
+            uploader?.send(sample: sampleBuffer)
+        default:
+            break
+        }
+    }
+}
+
+private extension SampleHandler {
+
+    func setupConnection() {
+        clientConnection?.didClose = { [weak self] error in
+            os_log(.debug, log: broadcastLogger, "client connection did close \(String(describing: error))")
+
+            if let error = error {
+                self?.finishBroadcastWithError(error)
+            } else {
+                // the displayed failure message is more user friendly when using NSError instead of Error
+                let JMScreenSharingStopped = 10001
+                let customError = NSError(domain: RPRecordingErrorDomain, code: JMScreenSharingStopped, userInfo: [NSLocalizedDescriptionKey: "Screen sharing stopped"])
+                self?.finishBroadcastWithError(customError)
+            }
+        }
+    }
+
+    func openConnection() {
+        let queue = DispatchQueue(label: "broadcast.connectTimer")
+        let timer = DispatchSource.makeTimerSource(queue: queue)
+        timer.schedule(deadline: .now(), repeating: .milliseconds(100), leeway: .milliseconds(500))
+        timer.setEventHandler { [weak self] in
+            guard self?.clientConnection?.open() == true else {
+                return
+            }
+
+            timer.cancel()
+        }
+
+        timer.resume()
+    }
+}