public async Task StartRecordingAsync()
{
_randomAccessStream = new InMemoryRandomAccessStream();
_mediaRecording = await MediaCapture.PrepareLowLagRecordToStreamAsync(MediaEncodingProfile.CreateMp4(VideoEncodingQuality.HD720p), _randomAccessStream);
await _mediaRecording.StartAsync();
}
private async void Initialize()
{
this.Loaded += InstantReplayPage_Loaded;
viewModel = new InstantReplayPageViewModel();
viewModel.Initialize(inkCanvas);
viewModel.TogglePlayPauseEvent += TogglePlayPause;
Scrubber.ValueChanged += Scrubber_ValueChanged;
var file = await viewModel.StartCapture(null);
//var profiles = MediaCapture.FindAllVideoProfiles(cameraId);
MediaCapture capture = new MediaCapture();
var devices = await Windows.Devices.Enumeration.DeviceInformation.FindAllAsync(Windows.Devices.Enumeration.DeviceClass.VideoCapture);
var captureInitSettings = new MediaCaptureInitializationSettings();
var profile = MediaEncodingProfile.CreateWmv(VideoEncodingQuality.Auto);
captureInitSettings.StreamingCaptureMode = StreamingCaptureMode.Video;
captureInitSettings.VideoDeviceId = devices[0].Id;
mediaCapture = new MediaCapture();
await mediaCapture.InitializeAsync(captureInitSettings);
storageFile = await KnownFolders.VideosLibrary.CreateFileAsync("InstantReplayCapture.wmv", CreationCollisionOption.GenerateUniqueName);
StorageApplicationPermissions.FutureAccessList.Add(storageFile);
storageFileStream = await storageFile.OpenStreamForWriteAsync();
fileStream = new DVRRandomAccessStream(storageFileStream);
lowLagRecord = await mediaCapture.PrepareLowLagRecordToStreamAsync(profile, fileStream);
await lowLagRecord.StartAsync();
VideoPlayer.SetSource(fileStream.PlaybackStream, storageFile.ContentType);
VideoPlayer.PartialMediaFailureDetected += VideoPlayer_PartialMediaFailureDetected;
VideoPlayer.MediaFailed += VideoPlayer_MediaFailed;
VideoPlayer.CurrentStateChanged += (s, e) => { Debug.WriteLine("State: " + VideoPlayer.CurrentState); };
VideoPlayer.MediaEnded += VideoPlayer_MediaEnded;
this.DataContext = viewModel;
}
private async Task Start()
{
try
{
if (_state == STATE_PARTY)
{
return;
}
_mediaCapture = new MediaCapture();
await _mediaCapture.InitializeAsync();
_mediaCapture.Failed += MediaCapture_Failed;
_mediaCapture.RecordLimitationExceeded += MediaCapture_RecordLimitationExceeded;
_stream = new InMemoryRandomAccessStream();
_position = 0;
_mediaRecording = await _mediaCapture.PrepareLowLagRecordToStreamAsync(MediaEncodingProfile.CreateWav(AudioEncodingQuality.High), _stream);
await _mediaRecording.StartAsync();
_timer = new DispatcherTimer();
_timer.Tick += timer_Tick;
_timer.Interval = new TimeSpan(0, 0, (int)((double)BUFFER_SAMPLES / (double)RATE));
_timer.Start();
MQTT_BROKER_ADDRESS = txtMQTTServer.Text;
// create client instance
_client = new MqttClient(MQTT_BROKER_ADDRESS);
string clientId = "publisher";//Guid.NewGuid().ToString();
_client.Connect(clientId);
_state = STATE_PARTY;
}
catch (Exception ex)
{
UpdateStatus(ex.Message);
}
}
