private async void button_Click(object sender, RoutedEventArgs e) { await m_mediaCapture.InitializeAsync(); MediaEncodingProfile encodingProfile = MediaEncodingProfile.CreateMp4(VideoEncodingQuality.Qvga); //encodingProfile.Video.Subtype = "H264ES"; //m_mediaCapture.SetEncoderProperty(MediaStreamType.VideoRecord, IMFAttributes. System.Guid.Parse("H264"), ); //MediaEncodingSubtypes.H264Es //m_mediaCapture.En //m_mediaCapture.GetEncoderProperty(); encodingProfile.Audio = null; //await m_mediaCapture.SetEncodingPropertiesAsync(MediaStreamType.VideoRecord, IMediaEncodingProperties.); await m_mediaCapture.StartRecordToStreamAsync(encodingProfile, m_mediaStream); System.Diagnostics.Debug.WriteLine(m_mediaCapture.ToString()); }