public MainPage(App app)
{
_mainpage = this;
InitializeComponent();
ScrollView.Content = Label;
SetButtonImage("listen_disabled_allgreyedout.png");
//SetActionButtonIsEnabled(false);
//ImageButton.Clicked += ActionButton_ButtonClicked;
//ImageButton.Pressed += ImageButton_PressedAsync;
_sapService = new SapService(OnConnectedCallback);
Task.Run(async() => await _sapService.Connect().ConfigureAwait(false));
Task.Run(() =>
{
Pref = new Preferences(app, this);
Pref.LoadSettings();
_player = new Player();
_player.SetSource(new MediaBufferSource(File.ReadAllBytes(Path.Combine(imageDir, "ding.mp3"))));
_player.PrepareAsync();
_player.PlaybackCompleted += delegate { _player.Stop(); };
}
);
}
public static void StartRecording(bool htmlResponse)
{
//_audioCapture = new AudioCapture(16000, AudioChannel.Mono, AudioSampleType.S16Le);
IsRecording = true;
var ar = new AssistRequest
{
Config = new AssistConfig
{
AudioInConfig = new AudioInConfig
{
SampleRateHertz = 16000,
Encoding = AudioInConfig.Types.Encoding.Linear16
},
ScreenOutConfig = new ScreenOutConfig
{
ScreenMode = htmlResponse
? ScreenOutConfig.Types.ScreenMode.Playing
: ScreenOutConfig.Types.ScreenMode.Unspecified
}
}
};
SapService.SendData(ar.ToByteArray());
_audioCapture.Prepare();
Record();
}
public void Stop()
{
var ar = new AssistRequest
{
Config = new AssistConfig
{
AudioInConfig = new AudioInConfig
{
SampleRateHertz = 16000,
Encoding = AudioInConfig.Types.Encoding.Flac
}
}
};
SapService.SendData(ar.ToByteArray());
IsPlaying = false;
IsPrepared = false;
if (_player.State != PlayerState.Playing)
{
return;
}
_player.Stop();
_source.Cancel();
BufferFileStream.Close();
//if (File.Exists(BufferFilePath)) File.Delete(BufferFilePath);
_player.PlaybackCompleted -= Player_PlaybackCompleted;
OnPlaybackStopped(EventArgs.Empty);
MainPage.SetButtonImage("listen_blue.png");
MainPage.SetActionButtonIsEnabled(true);
}
private static void Record()
{
_source = new CancellationTokenSource();
_token = _source.Token;
Task.Run(() =>
{
while (!_token.IsCancellationRequested)
{
var ar2 = new AssistRequest
{
AudioIn = ByteString.CopyFrom(_audioCapture.Read(_bufferSize))
};
SapService.SendData(ar2.ToByteArray());
}
_audioCapture.Flush();
_audioCapture.Unprepare();
}, _token);
}