audio_streams 1.0.0+1

Support for Audio Streams in Flutter via AudioController class. Capable of streaming only Linear PCM format with a bit depth of 16 bits and 32 bits. Streams microphone audio data from microphone to Dart.

audio_streams

Support for Audio Streams in Flutter

iOS only for now!

Make sure that your App is using swift by using the following command:

flutter create -i swift

Stream Types

Can only stream Linear PCM with a bit depth of 16 bits or 32 bits

Installation

Open pubspec.yaml and adding audio_streams as a dependency

iOS

Add a row to the following file ios/Runner/Info.plist and put the key for the microphone there

<key>NSMicrophoneUsageDescription</key>
<string>stream from microphone?</string>

Android

Not Supported

Example

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:cloud_speech/cloud_speech.dart';

void main() => runApp(MyApp());

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  AudioController controller;

  @override
  void initState() {
    super.initState();
    controller = new AudioController(CommonFormat.Int16, 8000, 2, true);
    initAudio();
  }

  Future<void> initAudio() async {
      await controller.intialize();
      controller.startAudioStream();
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: Builder(
          builder: (context) {
            return RaisedButton(
              onPressed: () {
                controller.stopAudioStream();
              },
              child: Text('Stop'),
            );
          },
        ),
      ),
    );
  }
}