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chinshou wants to merge 2 commits into from
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support playback local file on android #45

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9b72496
support playback local file on android
NTTAT-chin-shou Apr 28, 2020
f358999
1. Add pause , play , etc methods for vlc player controller
NTTAT-chin-shou May 1, 2020
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90 changes: 87 additions & 3 deletions android/src/main/java/software/solid/fluttervlcplayer/FlutterVideoView.java
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -19,19 +19,31 @@
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import java.io.File;

import io.flutter.plugin.common.BinaryMessenger;
import io.flutter.plugin.common.MethodCall;
import io.flutter.plugin.common.MethodChannel;
import io.flutter.plugin.platform.PlatformView;
import io.flutter.plugin.common.EventChannel;
import io.flutter.plugin.common.EventChannel.EventSink;
import io.flutter.plugin.common.EventChannel.StreamHandler;

class FlutterVideoView implements PlatformView, MethodChannel.MethodCallHandler, MediaPlayer.EventListener {
class FlutterVideoView implements PlatformView, MethodChannel.MethodCallHandler,StreamHandler, MediaPlayer.EventListener {
private final MethodChannel channel;
private final EventChannel eventChannel;
private final Context context;

private MediaPlayer mediaPlayer;
private TextureView textureView;
private String url;
private String subtitle;
private Boolean isLocal;
private int duration;
private int position;
private EventSink events;
private Boolean isPlaying;
private float rate;
private IVLCVout vout;
private MethodChannel.Result result;
private boolean replyAlreadySubmitted = false;
Expand All @@ -43,7 +55,9 @@ public FlutterVideoView(Context context, BinaryMessenger messenger, int id) {
SurfaceTexture texture = new SurfaceTexture(false);
textureView.setSurfaceTexture(texture);
channel = new MethodChannel(messenger, "flutter_video_plugin/getVideoView_" + id);
eventChannel = new EventChannel(messenger, "flutter_video_plugin/event_"+id);
channel.setMethodCallHandler(this);
eventChannel.setStreamHandler(this);
}

@Override
Expand All @@ -57,6 +71,16 @@ public void dispose() {
vout.detachViews();
}

@Override
public void onListen(Object arguments, EventSink events) {
this.events = events;
}

@Override
public void onCancel(Object arguments) {
this.events=null;
}


@Override
public void onMethodCall(MethodCall methodCall, MethodChannel.Result result) {
Expand All @@ -67,14 +91,23 @@ public void onMethodCall(MethodCall methodCall, MethodChannel.Result result) {
textureView = new TextureView(context);
}
url = methodCall.argument("url");
isLocal = methodCall.argument("isLocal");
subtitle = methodCall.argument("subtitle");

ArrayList<String> options = new ArrayList<>();
options.add("--no-drop-late-frames");
options.add("--no-skip-frames");
options.add("--rtsp-tcp");

LibVLC libVLC = new LibVLC(context, options);
Media media = new Media(libVLC, Uri.parse(Uri.decode(url)));
Media media = null;
if (isLocal)
media = new Media(libVLC, Uri.fromFile(new File(url)));
else {
options.add("--rtsp-tcp");
media = new Media(libVLC, Uri.parse(Uri.decode(url)));
}
media.setHWDecoderEnabled(true, true);

mediaPlayer = new MediaPlayer(libVLC);
mediaPlayer.setVideoTrackEnabled(true);
vout = mediaPlayer.getVLCVout();
Expand All @@ -84,6 +117,9 @@ public void onMethodCall(MethodCall methodCall, MethodChannel.Result result) {

vout.attachViews();
mediaPlayer.setMedia(media);
if (!subtitle.isEmpty())
mediaPlayer.addSlave(Media.Slave.Type.Subtitle, subtitle, true);

mediaPlayer.setEventListener(this);
mediaPlayer.play();
break;
Expand Down Expand Up @@ -112,6 +148,39 @@ public void onMethodCall(MethodCall methodCall, MethodChannel.Result result) {
mediaPlayer.play();
}
break;
case "pause":
if (mediaPlayer.isPlaying()) {
mediaPlayer.pause();
}
break;
case "play":
if (!mediaPlayer.isPlaying()) {
mediaPlayer.play();
}
break;
case "isPlaying":
result.success(mediaPlayer.isPlaying());
break;
case "setRate":
rate = methodCall.argument("rate");
mediaPlayer.setRate(rate);
break;
case "getRate":
rate = mediaPlayer.getRate();
result.success(rate);
break;
case "getDuration":
duration = (int)mediaPlayer.getLength();
result.success(duration);
break;
case "getPosition":
position = (int)mediaPlayer.getTime();
result.success(position);
break;
case "addSubtitle":
subtitle = methodCall.argument("subtitle");
mediaPlayer.addSlave(Media.Slave.Type.Subtitle, subtitle, true);
break;
}
}

Expand All @@ -120,6 +189,21 @@ public void onEvent(MediaPlayer.Event event) {
Map<String, String> resultMap = new HashMap<>();

switch (event.type) {
case MediaPlayer.Event.EndReached:
if (this.events!=null){
resultMap.put("status", "end");
resultMap.put("value", "");
events.success(resultMap);
}
break;
case MediaPlayer.Event.PositionChanged:
if (this.events!=null){
float pos = event.getPositionChanged();
resultMap.put("status", "pos");
resultMap.put("value", Float.toString(pos));
events.success(resultMap);
}
break;
case MediaPlayer.Event.Vout:
String aspectRatio;
int height = 0;
Expand Down
6 changes: 5 additions & 1 deletion lib/vlc_player.dart
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,8 @@ class VlcPlayer extends StatefulWidget {
final int defaultHeight;
final int defaultWidth;
final String url;
final bool isLocal;
final String subtitle;
final Widget placeholder;
final VlcPlayerController controller;

Expand All @@ -17,6 +19,8 @@ class VlcPlayer extends StatefulWidget {
@required this.defaultHeight,
@required this.defaultWidth,
@required this.url,
this.isLocal=false,
this.subtitle='',
@required this.controller,
this.placeholder,
});
Expand Down Expand Up @@ -71,7 +75,7 @@ class _VlcPlayerState extends State<VlcPlayer> {
_controller.initView(id);
if (_controller.hasClients) {
String aspectRatioString = await _controller.setStreamUrl(
widget.url, widget.defaultHeight, widget.defaultWidth);
widget.url, widget.isLocal, widget.subtitle, widget.defaultHeight, widget.defaultWidth);
setState(() {
readyToShow = true;
});
Expand Down
66 changes: 61 additions & 5 deletions lib/vlc_player_controller.dart
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2,21 +2,43 @@ import 'dart:io';
import 'dart:typed_data';
import 'package:cryptoutils/cryptoutils.dart';
import 'package:flutter/services.dart';
import 'package:flutter/widgets.dart';

typedef StatusChanged<T> = void Function(String status, T value);

class VlcPlayerController {
MethodChannel _channel;
EventChannel _eventChannel;

StatusChanged<dynamic> onStatusChanged;

bool hasClients = false;

VlcPlayerController({
Key key,
this.onStatusChanged=null
});

initView(int id) {
_channel = MethodChannel("flutter_video_plugin/getVideoView_$id");
_eventChannel = EventChannel("flutter_video_plugin/event_$id");
_eventChannel.receiveBroadcastStream().listen((dynamic event)
{
if (onStatusChanged!=null){

String status=event['status'];
onStatusChanged(status, event['value']);
}
}
);

hasClients = true;
}

Future<String> setStreamUrl(
String url, int defaultHeight, int defaultWidth) async {
var result = await _channel.invokeMethod("playVideo", {
'url': url,
});
Future<String> setStreamUrl(String url, bool isLocal, String subtitle,
int defaultHeight, int defaultWidth) async {
var result = await _channel.invokeMethod(
"playVideo", {'url': url, 'isLocal': isLocal, 'subtitle': subtitle});
return result['aspectRatio'];
}

Expand All @@ -27,6 +49,40 @@ class VlcPlayerController {
return imageBytes;
}

Future<void> play() async {
var result = await _channel.invokeMethod("play");
}

Future<void> pause() async {
var result = await _channel.invokeMethod("pause");
}

Future<bool> isPlaying() async {
var result = await _channel.invokeMethod("isPlaying");
return result;
}

Future<int> getDuration() async {
var result = await _channel.invokeMethod("getDuration");
return result;
}

Future<int> getPosition() async {
var result = await _channel.invokeMethod("getPosition");
return result;
}

Future<void> setRate(double rate) async {
var result = await _channel.invokeMethod("setRate", {
'rate': rate,
});
}

Future<double> getRate() async {
var result = await _channel.invokeMethod("getRate");
return result;
}

void dispose() {
if (Platform.isIOS) {
_channel.invokeMethod("dispose");
Expand Down