better_audio_capture

Description:

better audio capture

better_audio_capture #
A simple audio capture for Flutter.
Install Started #

Add this to your pubspec.yaml file:

dependencies:
better_audio_capture: ^0.1.1
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Install it

$ flutter packages get
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Normal usage #

CupertinoButton(
child: Text("start capture"),
onPressed: () async {
bytesBuilder.clear();

// request audio session
final session = await AudioSession.instance;
await session.configure(AudioSessionConfiguration(
avAudioSessionCategory: AVAudioSessionCategory.record,
avAudioSessionMode: AVAudioSessionMode.measurement,
avAudioSessionRouteSharingPolicy: AVAudioSessionRouteSharingPolicy.defaultPolicy,
avAudioSessionSetActiveOptions: AVAudioSessionSetActiveOptions.none,
));

if (await session.setActive(true)) {
subscription = betterAudioCapture?.pcmStream.listen((event) {
bytesBuilder.add(event);
print("recording");
});

betterAudioCapture?.init(sampleRate: 16000, channelCount: 1);
betterAudioCapture?.startCapture();
}
});
},
),

CupertinoButton(
child: Text("stop capture"),
onPressed: () async {
subscription?.cancel();
betterAudioCapture.stopCapture();
betterAudioCapture.dispose();

Directory tempDir = await getTemporaryDirectory();
File waveFile = File(tempDir.path + "/record.wav");
if (waveFile.existsSync()) {
waveFile.deleteSync();
}

IOSink waveFileSink = waveFile.openWrite();
waveFileSink.add(BetterAudioCapture.waveHeader(bytesBuilder.length));
waveFileSink.add(bytesBuilder.takeBytes());
await waveFileSink.close();
},
),
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Feature #

✅ Audio capture by microphone.
✅ Set audio stream sampleRate.
✅ Set audio stream channelNumber.