Add Function to Change/ADD subtitle and change the audio track (#91)

CHANGELOG.md

@@ -1,3 +1,7 @@
+## 3.0.7
+* Updates MobileVLC to allow for changing of subtitles and adding subtiles . 
+credits to @rikaweb(https://github.com/rikaweb) and Mitch Ross (https://github.com/mitchross)
+
 ## 3.0.6
 * Updates MobileVLC to allow for handling of vlc error.
 credits to Alireza Setayesh (https://github.com/alr2413)

android/gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.4-all.zip

android/src/main/java/software/solid/fluttervlcplayer/FlutterVideoView.java

@@ -185,6 +185,18 @@ public void onMethodCall(MethodCall methodCall, @NonNull MethodChannel.Result re
  case "dispose":
  this.dispose();
  break;
+ case "changeSound":
+ int audioNumber = Integer.parseInt((String) methodCall.argument("audioNumber"));
+ mediaPlayer.setAudioTrack(audioNumber);
+ break;
+ case "changeSubtitle":
+ int subtitleNumber = Integer.parseInt((String) methodCall.argument("subtitleNumber"));
+ mediaPlayer.setSpuTrack(subtitleNumber);
+ break;
+ case "addSubtitle":
+ String filePath =(String) methodCall.argument("filePath");
+ mediaPlayer.addSlave(0,filePath,true);
+ break;
  case "changeURL":
  if (libVLC == null)
  result.error("VLC_NOT_INITIALIZED", "The player has not yet been initialized.", false);
@@ -285,6 +297,11 @@ public void onEvent(MediaPlayer.Event event) {
  eventObject.put("height", height);
  eventObject.put("width", width);
  eventObject.put("length", mediaPlayer.getLength());
+ //add support for changing audio track and subtitle
+ eventObject.put("audioCount", mediaPlayer.getAudioTracksCount());
+ eventObject.put("activeAudioTracks", mediaPlayer.getAudioTrack());
+ eventObject.put("spuCount", mediaPlayer.getSpuTracksCount());
+ eventObject.put("activeSpu", mediaPlayer.getSpuTrack());
  eventSink.success(eventObject.clone());
  break;
 

example/ios/Flutter/.last_build_id

@@ -1 +1 @@
-b51a9eab8a58462f1b870a104119b683
+fac0ff2a1b783f751f7b7af21b136b52

ios/Classes/SwiftFlutterVlcPlayerPlugin.swift

@@ -147,6 +147,32 @@ public class VLCView: NSObject, FlutterPlatformView {
  result(nil)
  return
 
+ case .changeSound:
+ let audioNumber = arguments["audioNumber"] as? String ?? ""
+ let audioNumberInt = Int32(audioNumber) ?? 0
+ self.player.audioChannel = audioNumberInt
+ return
+
+ case .changeSubtitle:
+ let subtitleNumber = arguments["subtitleNumber"] as? String ?? ""
+ let subtitleInt = Int32(subtitleNumber) ?? 0
+
+ self.player.currentVideoSubTitleIndex = subtitleInt
+ return
+
+ case .addSubtitle:
+
+ guard let urlString = arguments["filePath"] as? String, let url = URL(string: urlString) else {
+
+ result(FlutterError(code: "500",
+ message: "subtitle file path failed",
+ details: nil)
+ )
+ return
+ }
+ self.player.addPlaybackSlave(url, type: .subtitle, enforce: true)
+ return
+
  default:
  result(FlutterMethodNotImplemented)
  return
@@ -196,6 +222,13 @@ class VLCPlayerEventStreamHandler:NSObject, FlutterStreamHandler, VLCMediaPlayer
  var height = 0
  var width = 0
 
+ //subtitle
+ let audioCount = player?.numberOfAudioTracks ?? 0
+ let activeAudioTracks = player?.audioChannel ?? 0
+ let spuCount = player?.numberOfSubtitlesTracks ?? 0
+ let activeSpu = player?.currentVideoSubTitleIndex ?? 0
+
+
  if player?.currentVideoTrackIndex != -1 {
  if (player?.currentVideoTrackIndex) != nil {
  track = tracks[0] as! NSDictionary
@@ -226,7 +259,12 @@ class VLCPlayerEventStreamHandler:NSObject, FlutterStreamHandler, VLCMediaPlayer
  "ratio": NSNumber(value: ratio),
  "height": height,
  "width": width,
- "length": value
+ "length": value,
+ "audioCount": audioCount,
+ "activeAudioTracks": activeAudioTracks,
+ "spuCount": spuCount,
+ "activeSpu": activeSpu
+
  ])
  }
  return
@@ -311,4 +349,7 @@ enum FlutterMethodCallOption :String {
  case setPlaybackSpeed = "setPlaybackSpeed"
  case setTime = "setTime"
  case setVolume = "setVolume"
+ case changeSound = "changeSound"
+ case changeSubtitle = "changeSubtitle"
+ case addSubtitle = "addSubtitle"
 }

lib/flutter_vlc_player.dart

@@ -175,6 +175,15 @@ class VlcPlayerController {
  MethodChannel _methodChannel;
  EventChannel _eventChannel;
 
+ int get audioCount => _audioCount;
+ int _audioCount = 1;
+ int get activeAudioNum => _activeAudioNum;
+ int _activeAudioNum = 1;
+ int get activeSubtitleNum => _activeSubtitleNum;
+ int _activeSubtitleNum;
+ int get subtitleCount => _subtitleCount;
+ int _subtitleCount = 0;
+
  VoidCallback _onInit;
  List<VoidCallback> _eventHandlers;
 
@@ -297,6 +306,12 @@ class VlcPlayerController {
  _size = new Size(event['width'], event['height']);
  if (event['length'] != null) _duration = event['length'];
  if (event['ratio'] != null) _aspectRatio = event['ratio'];
+ if (event['audioCount'] != null) _audioCount = event['audioCount'];
+ if (event['activeAudioTracks'] != null)
+ _activeAudioNum = event['activeAudioTracks'];
+ if (event['spuCount'] != null) _subtitleCount = event['spuCount'];
+ if (event['activeSpu'] != null)
+ _activeSubtitleNum = event['activeSpu'];
 
  _playingState =
  event['value'] ? PlayingState.PLAYING : PlayingState.STOPPED;
@@ -375,4 +390,18 @@ class VlcPlayerController {
  void dispose() {
  _methodChannel.invokeMethod("dispose");
  }
+
+ void changeSound(int audioNumber) {
+ _methodChannel
+ .invokeMethod("changeSound", {'audioNumber': audioNumber.toString()});
+ }
+
+ void changeSubtitle(int subtitleNumber) {
+ _methodChannel.invokeMethod(
+ "changeSubtitle", {'subtitleNumber': subtitleNumber.toString()});
+ }
+
+ void addSubtitle(String filePath) {
+ _methodChannel.invokeMethod("addSubtitle", {'filePath': filePath});
+ }
 }

pubspec.yaml

@@ -1,6 +1,6 @@
 name: flutter_vlc_player
 description: A VLC-powered alternative to Flutter's video_player. Supports multiple players on one screen.
-version: 3.0.6
+version: 3.0.7
 homepage: https://github.com/solid-software/flutter_vlc_player
 
 environment: