support flutter gstreamer player for iOS

2022-12-09 01:02:56 +07:00
parent 9fd8c9f2da
commit af6f0e132c
56 changed files with 2839 additions and 81 deletions
@@ -0,0 +1,148 @@
+import Flutter
+import UIKit
+
+class FLNativeViewFactory: NSObject, FlutterPlatformViewFactory {
+  private var messenger: FlutterBinaryMessenger
+  private var pipeline: String
+
+  init(messenger: FlutterBinaryMessenger, pipeline: String) {
+    self.messenger = messenger
+    self.pipeline = pipeline
+    super.init()
+  }
+
+  func create(
+      withFrame frame: CGRect,
+      viewIdentifier viewId: Int64,
+      arguments args: Any?
+  ) -> FlutterPlatformView {
+    return FLNativeView(
+      frame: frame,
+      viewIdentifier: viewId,
+      arguments: args,
+      binaryMessenger: messenger,
+      pipeline: self.pipeline)
+  }
+}
+
+class FLNativeView: NSObject, FlutterPlatformView {
+  private var _view: UIView
+  //private var _pipeline: String = ""
+  private var _gStreamerBackend: GStreamerBackend
+
+  init(
+      frame: CGRect,
+      viewIdentifier viewId: Int64,
+      arguments args: Any?,
+      binaryMessenger messenger: FlutterBinaryMessenger?,
+      pipeline pipeline: String
+  ) {
+    _view = UIView()
+
+    /*
+    print("[FLNativeView] viewId: " + String(viewId))
+    switch (viewId) {
+      case 0:
+        //_pipeline = "videotestsrc pattern=smpte ! warptv ! videoconvert ! autovideosink"
+        _pipeline = "rtspsrc location=rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mp4 retry=60000 ! decodebin ! autovideosink"
+        //_pipeline = "rtspsrc location=rtsp://192.168.55.1:9000/sony latency=0 ! decodebin ! autovideosink"
+        //_pipeline = "rtspsrc location=rtsp://192.168.0.103:9000/sony latency=0 ! decodebin ! autovideosink"
+        break
+      case 1:
+        //_pipeline = "videotestsrc pattern=circular ! warptv ! videoconvert ! autovideosink"
+        _pipeline = "rtspsrc location=rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mp4 retry=60000 ! decodebin ! autovideosink"
+        //_pipeline = "rtspsrc location=rtsp://192.168.55.1:9000/sony latency=0 ! decodebin ! autovideosink"
+        //_pipeline = "rtspsrc location=rtsp://192.168.0.103:9000/sony latency=0 ! decodebin ! autovideosink"
+        break
+      case 2:
+        //_pipeline = "videotestsrc pattern=checkers-8 ! warptv ! videoconvert ! autovideosink"
+        _pipeline = "rtspsrc location=rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mp4 retry=60000 ! decodebin ! autovideosink"
+        //_pipeline = "rtspsrc location=rtsp://192.168.55.1:9000/sony latency=0 ! decodebin ! autovideosink"
+        //_pipeline = "rtspsrc location=rtsp://192.168.0.103:9000/sony latency=0 ! decodebin ! autovideosink"
+        break
+      case 3:
+        //_pipeline = "videotestsrc pattern=smpte100 ! warptv ! videoconvert ! autovideosink"
+        _pipeline = "rtspsrc location=rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mp4 retry=60000 ! decodebin ! autovideosink"
+        //_pipeline = "rtspsrc location=rtsp://192.168.55.1:9000/sony latency=0 ! decodebin ! autovideosink"
+        //_pipeline = "rtspsrc location=rtsp://192.168.0.103:9000/sony latency=0 ! decodebin ! autovideosink"
+        break
+      default:
+        _pipeline = "rtspsrc location=rtsp://wowzaec2demo.streamlock.net/vod/mp4:BigBuckBunny_115k.mp4 latency=0 ! decodebin ! autovideosink"
+        //_pipeline = "rtspsrc location=rtsp://192.168.55.1:9000/sony latency=0 ! decodebin ! autovideosink"
+        //_pipeline = "rtspsrc location=rtsp://192.168.0.103:9000/sony latency=0 ! decodebin ! autovideosink"
+        break
+    }
+    */
+    _gStreamerBackend = GStreamerBackend(
+      pipeline,
+      videoView: _view)
+
+    super.init()
+    // iOS views can be created here
+    //createNativeView(view: _view)
+  }
+
+  func view() -> UIView {
+    return _view
+  }
+
+  func createNativeView(view _view: UIView){
+    _view.backgroundColor = UIColor.blue
+    let nativeLabel = UILabel()
+    nativeLabel.text = "Native text from iOS: " + String("")
+    nativeLabel.textColor = UIColor.white
+    nativeLabel.textAlignment = .center
+    nativeLabel.frame = CGRect(x: 0, y: 0, width: 180, height: 48.0)
+    _view.addSubview(nativeLabel)
+  }
+}
+
+public class SwiftFlutterGstreamerPlayerPlugin: NSObject, FlutterPlugin {
+
+  static var registrar: FlutterPluginRegistrar? = nil;
+  /* static var factory: FLNativeViewFactory? = nil; */
+
+  public static func register(with registrar: FlutterPluginRegistrar) {
+    let channel = FlutterMethodChannel(name: "flutter_gstreamer_player", binaryMessenger: registrar.messenger())
+    let instance = SwiftFlutterGstreamerPlayerPlugin()
+    registrar.addMethodCallDelegate(instance, channel: channel)
+
+    gst_ios_init()
+
+    SwiftFlutterGstreamerPlayerPlugin.registrar = registrar
+    /* SwiftFlutterGstreamerPlayerPlugin.factory = factory */
+  }
+
+  public func handle(_ call: FlutterMethodCall, result: @escaping FlutterResult) {
+    switch (call.method) {
+      case "getPlatformVersion":
+        result("iOS " + UIDevice.current.systemVersion)
+        break
+      case "PlayerRegisterTexture":
+        guard let args = call.arguments as? [String : Any] else {
+          result(" arguments error.... ")
+          return
+        }
+        let pipeline = args["pipeline"] as! String;
+        let playerId = args["playerId"] as! Int64;
+
+        /* guard let factory = SwiftFlutterGstreamerPlayerPlugin.factory as? FLNativeViewFactory else { */
+        /*   print("Internal plugin error: factory does not initialized") */
+        /*   return */
+        /* } */
+        guard let registrar = SwiftFlutterGstreamerPlayerPlugin.registrar as? FlutterPluginRegistrar else {
+          print("Internal plugin error: registrar does not initialized")
+          return
+        }
+
+        var factory = FLNativeViewFactory(messenger: registrar.messenger(), pipeline: pipeline)
+        registrar.register(factory, withId: String(playerId))
+
+        result(playerId)
+        break
+      default:
+        result(FlutterMethodNotImplemented)
+        break
+    }
+  }
+}