private async void OnStartRecording(object sender, RoutedEventArgs e)
{
cameraCapture.setTargetFile(new File(KnownFolders.VideosLibrary, captureOutput));
var winRtVideoFormat = new WinRtVideoFormat("video/avc", 640, 480)
{
bitrate = 1000000
};
winRtVideoFormat.frameRate.Numerator = 30;
winRtVideoFormat.frameRate.Denominator = 1;
cameraCapture.setTargetVideoFormat(winRtVideoFormat);
cameraCapture.setTargetAudioFormat(new WinRtAudioFormat("audio/aac")
{
sampleRate = 44100,
bitrate = 128000,
bitsPerSample = 16,
channelCount = 2
});
await cameraCapture.start();
UpdateUiState(PageState.InProgress);
}