flutter_live 1.0.10 flutter_live: ^1.0.10 copied to clipboard
Live streaming player, iOS+Android, RTMP/HTTP-FLV/HLS/WebRTC, by Flutter+SRS.
import 'dart:io';
import 'package:flutter/material.dart';
import 'package:package_info/package_info.dart';
import 'package:flutter_live/flutter_live.dart';
import 'package:fijkplayer/fijkplayer.dart';
void main() {
runApp(MaterialApp(
debugShowCheckedModeBanner: false,
home: Home(),
));
}
class Home extends StatefulWidget {
@override
State createState() => _HomeState();
}
class _HomeState extends State<Home> {
String _url; // The final url, should equals to controller.text
PackageInfo _info = PackageInfo(version: '0.0.0', buildNumber: '0');
final TextEditingController _controller = TextEditingController();
@override
void initState() {
super.initState();
_controller.text = _url;
_controller.addListener(onUserEditUrl);
PackageInfo.fromPlatform().then((info) {
setState(() { _info = info; });
}).catchError((e) {
print('platform error $e');
});
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: Text('SRS: Flutter Live Streaming'),
),
body: ListView(children: [
UrlInputDisplay(_controller),
DemoUrlsDisplay(_url, onUseSelectedUrl),
ControlDisplay(isUrlValid(), () => this.startPlay(context)),
PlatformDisplay(this._info),
]),
);
}
@override
void dispose() {
super.dispose();
_controller.dispose();
}
void onUserEditUrl() {
print('user edit event url=$_url, text=${_controller.text}');
if (_url != _controller.text) {
setState(() { _url = _controller.text; });
}
}
void onUseSelectedUrl(String v) {
print('user select $v, url=$_url, text=${_controller.text}');
if (_url != v) {
setState(() { _controller.text = _url = v; });
}
}
bool isUrlValid() {
return _url != null && _url.contains('://');
}
void startPlay(BuildContext context) {
if (!isUrlValid()) {
print('Invalid url $_url');
return;
}
Navigator.push(context, MaterialPageRoute(
builder: (context) => VideoPlayer(_url))
);
}
}
class UrlInputDisplay extends StatelessWidget {
final TextEditingController _controller;
UrlInputDisplay(this._controller);
@override
Widget build(BuildContext context) {
return Container(
child: TextField(
controller: _controller, autofocus: false,
decoration: InputDecoration(hintText: 'Please select or input url...')
),
padding: EdgeInsets.fromLTRB(5, 0, 5, 0),
);
}
}
class DemoUrlsDisplay extends StatelessWidget {
final String _url;
final ValueChanged<String> _onUrlChanged;
DemoUrlsDisplay(this._url, this._onUrlChanged);
@override
Widget build(BuildContext context) {
return Column(children: [
ListTile(
title: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
Text('RTMP', style: TextStyle(fontWeight: FontWeight.bold)),
Text(FlutterLive.rtmp, style: TextStyle(color: Colors.grey[500])),
]),
onTap: () => _onUrlChanged(FlutterLive.rtmp), contentPadding: EdgeInsets.zero,
leading: Radio(value: FlutterLive.rtmp, groupValue: _url, onChanged: _onUrlChanged),
),
ListTile(
title: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
Text('HLS', style: TextStyle(fontWeight: FontWeight.bold)),
Container(
child: Text(FlutterLive.hls, style: TextStyle(color: Colors.grey[500])),
padding: EdgeInsets.only(top: 2, bottom: 2),
),
]),
onTap: () => _onUrlChanged(FlutterLive.hls), contentPadding: EdgeInsets.zero,
leading: Radio(value: FlutterLive.hls, groupValue: _url, onChanged: _onUrlChanged),
),
ListTile(
title: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
Text('HTTP-FLV', style: TextStyle(fontWeight: FontWeight.bold)),
Text(FlutterLive.flv, style: TextStyle(color: Colors.grey[500])),
]),
onTap: () => _onUrlChanged(FlutterLive.flv), contentPadding: EdgeInsets.zero,
leading: Radio(value: FlutterLive.flv, groupValue: _url, onChanged: _onUrlChanged),
),
ListTile(
title: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
Text('HTTPS-FLV', style: TextStyle(fontWeight: FontWeight.bold)),
Container(
child: Text(FlutterLive.flvs, style: TextStyle(color: Colors.grey[500], fontSize: 15)),
padding: EdgeInsets.only(top: 3, bottom:3),
),
]),
onTap: () => _onUrlChanged(FlutterLive.flvs), contentPadding: EdgeInsets.zero,
leading: Radio(value: FlutterLive.flvs, groupValue: _url, onChanged: _onUrlChanged),
),
ListTile(
title: Column(crossAxisAlignment: CrossAxisAlignment.start, children: [
Text('HTTPS-HLS', style: TextStyle(fontWeight: FontWeight.bold)),
Container(
child: Text(FlutterLive.hlss, style: TextStyle(color: Colors.grey[500], fontSize: 14)),
padding: EdgeInsets.only(top: 3, bottom: 3),
),
]),
onTap: () => _onUrlChanged(FlutterLive.hlss), contentPadding: EdgeInsets.zero,
leading: Radio(value: FlutterLive.hlss, groupValue: _url, onChanged: _onUrlChanged),
),
]);
}
}
class ControlDisplay extends StatelessWidget {
final bool _urlAvailable;
final VoidCallback _onPlayUrl;
ControlDisplay(this._urlAvailable, this._onPlayUrl);
@override
Widget build(BuildContext context) {
return Row(
mainAxisAlignment: MainAxisAlignment.end,
children: [
ElevatedButton(
child: Text('Play'), onPressed: _urlAvailable? _onPlayUrl : null,
),
Container(width: 10)
],
);
}
}
class PlatformDisplay extends StatelessWidget {
final PackageInfo _info;
PlatformDisplay(this._info);
@override
Widget build(BuildContext context) {
return Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [Text('SRS/v${_info.version}+${_info.buildNumber}')],
);
}
}
class VideoPlayer extends StatefulWidget {
final String _url;
VideoPlayer(this._url);
@override
_VideoPlayerState createState() => _VideoPlayerState();
}
class _VideoPlayerState extends State<VideoPlayer> {
final FijkPlayer player = FijkPlayer();
@override
void initState() {
super.initState();
player.setOption(FijkOption.playerCategory, "mediacodec-all-videos", 1);
startPlay();
}
void startPlay() async {
print('Start play ${widget._url}');
await player.setOption(FijkOption.hostCategory, "request-screen-on", 1);
await player.setOption(FijkOption.hostCategory, "request-audio-focus", 1);
// Live low-latency: https://www.jianshu.com/p/d6a5d8756eec
// For all options, read https://github.com/Bilibili/ijkplayer/blob/master/ijkmedia/ijkplayer/ff_ffplay_options.h
await player.setOption(FijkOption.formatCategory, "probesize", 16 * 1024); // in bytes
await player.setOption(FijkOption.formatCategory, "analyzeduration", 100 * 1000); // in us
await player.setOption(FijkOption.playerCategory, "packet-buffering", 0); // 0, no buffer.
await player.setOption(FijkOption.playerCategory, "max_cached_duration", 800); // in ms
await player.setOption(FijkOption.playerCategory, "max-buffer-size", 32 * 1024); // in bytes
await player.setOption(FijkOption.playerCategory, "infbuf", 1); // 1 for realtime.
await player.setOption(FijkOption.playerCategory, "min-frames", 1); // in frames
await player.setDataSource(widget._url, autoPlay: true).catchError((e) {
print("setDataSource error: $e");
});
player.enterFullScreen();
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(title: Text('SRS Live Streaming')),
body: FijkView(player: player, panelBuilder: fijkPanel2Builder(), fsFit: FijkFit.fill),
);
}
@override
void dispose() {
super.dispose();
player.release();
}
}