flutter_audio_desktop 0.0.8 
flutter_audio_desktop: ^0.0.8 copied to clipboard
A simple audio playback library for Flutter Desktop. Supports MP3, FLAC & WAV on Windows & Linux.
import 'package:flutter/material.dart';
import 'package:flutter_audio_desktop/flutter_audio_desktop.dart';
class Player extends StatefulWidget {
Player({Key key}) : super(key: key);
PlayerState createState() => PlayerState();
}
class PlayerState extends State<Player> {
/// Simple player implementation. Setting debug: true for extra logging.
AudioPlayer filePlayer;
AudioPlayer wavePlayer;
AudioPlayer noisePlayer;
GlobalKey<ScaffoldState> _scaffoldKey = new GlobalKey<ScaffoldState>();
String _textFieldValue = '';
@override
void initState() {
super.initState();
this.filePlayer = new AudioPlayer(id: 0, debug: true);
this.wavePlayer = new AudioPlayer(id: 1, debug: true);
this.noisePlayer = new AudioPlayer(id: 2, debug: true);
}
Widget build(BuildContext context) {
return Scaffold(
key: this._scaffoldKey,
appBar: AppBar(
centerTitle: true,
title: Text('flutter_audio_desktop Demo'),
),
body: Center(
child:
Column(mainAxisAlignment: MainAxisAlignment.center, children: [
Divider(),
Padding(
padding: EdgeInsets.all(5),
child: Text(
"File Settings: ",
style: TextStyle(fontWeight: FontWeight.bold),
)),
Padding(
padding: EdgeInsets.all(5),
child: Row(
mainAxisAlignment: MainAxisAlignment.start,
children: [
SizedBox(
width: 150,
),
SizedBox(
width: 320,
child: TextField(
onChanged: (String value) {
this._textFieldValue = value;
},
decoration: InputDecoration(
hintText: 'Enter path to an audio file...',
labelText: 'Audio Location',
border: OutlineInputBorder(),
),
),
),
SizedBox(
width: 24,
),
RaisedButton(
child: Container(
child: Text(
"Load File",
style: TextStyle(color: Colors.white),
),
),
color: Colors.blue,
onPressed: () async {
/// Loading an audio file into the player.
bool result = await filePlayer.load(this._textFieldValue);
if (result) {
this._scaffoldKey.currentState.showSnackBar(SnackBar(
content: Text(
'Audio file is loaded. Press FAB to play.')));
} else {
this._scaffoldKey.currentState.showSnackBar(SnackBar(
content: Text('Audio file is could not be loaded.')));
}
},
),
IconButton(
icon: filePlayer.isPlaying
? Icon(Icons.pause)
: Icon(Icons.play_arrow),
iconSize: 36,
color: Colors.blue,
onPressed: () {
this.setState(() {});
if (!filePlayer.isLoaded) {
this._scaffoldKey.currentState.showSnackBar(SnackBar(
content: Text('Load file first.'),
));
} else {
if (filePlayer.isPaused) {
/// Playing loaded audio file.
this.filePlayer.play();
} else if (filePlayer.isPlaying) {
/// Pausing playback of loaded audio file.
this.filePlayer.pause();
}
}
},
),
Padding(
padding: EdgeInsets.all(5),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
Icons.volume_down,
size: 36,
color: Colors.blue,
),
Slider(
divisions: 10,
value: filePlayer.volume,
onChanged: (value) {
this.setState(() {
/// Changing player volume.
this.filePlayer.setVolume(value);
});
}),
Icon(
Icons.device_hub,
size: 36,
color: Colors.blue,
),
Slider(
divisions: filePlayer.devices.length > 0
? filePlayer.devices.length
: 1,
value: filePlayer.deviceIndex.toDouble(),
min: 0,
max: filePlayer.devices.length.toDouble(),
onChanged: (value) {
this.setState(() {
/// Changing player volume.
this
.filePlayer
.setDevice(deviceIndex: value.toInt());
});
}),
],
)),
],
),
),
Divider(),
Padding(
padding: EdgeInsets.all(5),
child: Text(
"Wave Settings: ",
style: TextStyle(fontWeight: FontWeight.bold),
)),
Row(mainAxisSize: MainAxisSize.min, children: [
RaisedButton(
child: Container(
child: Text(
"Load Wave",
style: TextStyle(color: Colors.white),
),
),
color: Colors.blue,
onPressed: () async {
wavePlayer.loadWave(0.2, 400, 0);
},
),
IconButton(
icon: wavePlayer.isPlaying
? Icon(Icons.pause)
: Icon(Icons.play_arrow),
color: Colors.blue,
iconSize: 36,
onPressed: () {
this.setState(() {});
if (!wavePlayer.isLoaded) {
this._scaffoldKey.currentState.showSnackBar(SnackBar(
content: Text('Load wave first.'),
));
} else {
if (wavePlayer.isPaused) {
/// Playing loaded audio file.
this.wavePlayer.play();
} else if (wavePlayer.isPlaying) {
/// Pausing playback of loaded audio file.
this.wavePlayer.pause();
}
}
},
),
Padding(
padding: EdgeInsets.all(5),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
Icons.volume_down,
size: 36,
color: Colors.blue,
),
Slider(
divisions: 10,
value: wavePlayer.volume,
onChanged: (value) {
this.setState(() {
/// Changing player volume.
this.wavePlayer.setVolume(value);
});
}),
Icon(
Icons.device_hub,
size: 36,
color: Colors.blue,
),
Slider(
divisions: wavePlayer.devices.length > 0
? wavePlayer.devices.length
: 1,
value: wavePlayer.deviceIndex.toDouble(),
min: 0,
max: wavePlayer.devices.length.toDouble(),
onChanged: (value) {
this.setState(() {
/// Changing player volume.
this
.wavePlayer
.setDevice(deviceIndex: value.toInt());
});
}),
],
)),
]),
Padding(
padding: EdgeInsets.all(5),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
Icons.multiline_chart,
size: 36,
color: Colors.blue,
),
Slider(
divisions: 10,
value: wavePlayer.waveAmplitude,
min: 0.0,
max: 1,
onChanged: (value) {
this.setState(() {
/// Changing player volume.
this.wavePlayer.setWaveAmplitude(value);
});
}),
Icon(
Icons.radio,
size: 36,
color: Colors.blue,
),
Slider(
divisions: 100,
value: wavePlayer.waveFrequency,
min: 0,
max: 1000,
onChanged: (value) {
this.setState(() {
/// Changing player volume.
this.wavePlayer.setWaveFrequency(value);
});
}),
Icon(
Icons.timelapse,
size: 36,
color: Colors.blue,
),
Slider(
divisions: 1000,
value: wavePlayer.waveSampleRate.toDouble(),
min: 1000,
max: 100000,
onChanged: (value) {
this.setState(() {
/// Changing player volume.
this.wavePlayer.setWaveSampleRate(value.toInt());
});
}),
Slider(
divisions: 4,
value: wavePlayer.waveType.toDouble(),
min: 0,
max: 4,
onChanged: (value) {
this.setState(() {
/// Changing player volume.
this.wavePlayer.setWaveType(value.toInt());
});
}),
],
),
),
Divider(),
Padding(
padding: EdgeInsets.all(5),
child: Text(
"Noise Settings: ",
style: TextStyle(fontWeight: FontWeight.bold),
)),
Row(mainAxisSize: MainAxisSize.min, children: [
RaisedButton(
child: Container(
child: Text(
"Load Noise",
style: TextStyle(color: Colors.white),
),
),
color: Colors.blue,
onPressed: () async {
noisePlayer.loadNoise(0, 0.2, 0);
},
),
IconButton(
icon: noisePlayer.isPlaying
? Icon(Icons.pause)
: Icon(Icons.play_arrow),
color: Colors.blue,
iconSize: 36,
onPressed: () {
this.setState(() {});
if (!noisePlayer.isLoaded) {
this._scaffoldKey.currentState.showSnackBar(SnackBar(
content: Text('Load noise first.'),
));
} else {
if (noisePlayer.isPaused) {
/// Playing loaded audio file.
this.noisePlayer.play();
} else if (noisePlayer.isPlaying) {
/// Pausing playback of loaded audio file.
this.noisePlayer.pause();
}
}
},
),
Padding(
padding: EdgeInsets.all(5),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
Icons.volume_down,
size: 36,
color: Colors.blue,
),
Slider(
divisions: 10,
value: noisePlayer.volume,
onChanged: (value) {
this.setState(() {
/// Changing player volume.
this.noisePlayer.setVolume(value);
});
}),
Icon(
Icons.device_hub,
size: 36,
color: Colors.blue,
),
Slider(
divisions: noisePlayer.devices.length > 0
? noisePlayer.devices.length
: 1,
value: noisePlayer.deviceIndex.toDouble(),
min: 0,
max: noisePlayer.devices.length.toDouble(),
onChanged: (value) {
this.setState(() {
/// Changing player volume.
this
.noisePlayer
.setDevice(deviceIndex: value.toInt());
});
}),
],
)),
]),
Padding(
padding: EdgeInsets.all(5),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
Icon(
Icons.multiline_chart,
size: 36,
color: Colors.blue,
),
Slider(
divisions: 10,
value: noisePlayer.noiseAmplitude,
min: 0.0,
max: 1,
onChanged: (value) {
this.setState(() {
/// Changing player volume.
this.noisePlayer.setNoiseAmplitude(value);
});
}),
Icon(
Icons.radio,
size: 36,
color: Colors.blue,
),
Slider(
divisions: 9999,
value: noisePlayer.noiseSeed.toDouble(),
min: 0,
max: 999999999,
onChanged: (value) {
this.setState(() {
/// Changing player volume.
this.noisePlayer.setNoiseSeed(value.toInt());
});
}),
Icon(
Icons.timelapse,
size: 36,
color: Colors.blue,
),
Slider(
divisions: 3,
value: noisePlayer.noiseType.toDouble(),
min: 0,
max: 2,
onChanged: (value) {
this.setState(() {
/// Changing player volume.
this.noisePlayer.setNoiseType(value.toInt());
});
}),
],
)),
Divider()
])));
}
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Player(),
);
}
}
void main() => runApp(MyApp());Metadata
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Metadata
A simple audio playback library for Flutter Desktop. Supports MP3, FLAC & WAV on Windows & Linux.
Repository (GitHub)
View/report issues
Documentation
License
unknown (license)
