flutter_live 1.0.10

Live streaming player, iOS+Android, RTMP/HTTP-FLV/HLS/WebRTC, by Flutter+SRS.

example/lib/main.dart

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();
  }
}