protected override async void OnNavigatedTo(NavigationEventArgs e)
{
DisplayInformation.AutoRotationPreferences = DisplayOrientations.Landscape;
//
// Doing all that video processing is too much for low-end phones like the Lumia 520
// Pick-and-choose which piece should run
//
VideoPreview.MediaFailed += VideoPreview_MediaFailed;
//var file = await StorageFile.GetFileFromApplicationUriAsync(new Uri("ms-appx:///Assets/video.cvmpilj.mjpg"));
//var stream = await file.OpenAsync(FileAccessMode.Read);
//var source = await HttpMjpegCaptureSource.CreateFromStreamAsync(stream, "myboundary");
var source = await HttpMjpegCaptureSource.CreateFromUriAsync("http://216.123.238.208/axis-cgi/mjpg/video.cgi?camera&resolution=640x480");
VideoPreview.SetMediaStreamSource(source.Source);
var settings = new MediaCaptureInitializationSettings
{
StreamingCaptureMode = StreamingCaptureMode.Video
};
await settings.SelectVideoDeviceAsync(VideoDeviceSelection.BackOrFirst);
_capture = new MediaCapture();
await _capture.InitializeAsync(settings);
var graphicsDevice = MediaGraphicsDevice.CreateFromMediaCapture(_capture);
var previewProps = (VideoEncodingProperties)_capture.VideoDeviceController.GetMediaStreamProperties(MediaStreamType.VideoPreview);
TextLog.Text += String.Format("Preview: {0} {1}x{2} {3}fps\n", previewProps.Subtype, previewProps.Width, previewProps.Height, previewProps.FrameRate.Numerator / (float)previewProps.FrameRate.Denominator);
TextLog.Text += "Creating MediaSamplePresenter from SurfaceImageSource\n";
var image = new SurfaceImageSource((int)previewProps.Width, (int)previewProps.Height);
ImagePreview.Source = image;
_imagePresenter = ImagePresenter.CreateFromSurfaceImageSource(image, graphicsDevice, (int)previewProps.Width, (int)previewProps.Height);
TextLog.Text += "Creating MediaSamplePresenter from SwapChainPanel\n";
_swapChainPresenter = ImagePresenter.CreateFromSwapChainPanel(
SwapChainPreview,
graphicsDevice,
(int)previewProps.Width,
(int)previewProps.Height
);
TextLog.Text += "Creating MediaReader\n";
_mediaReader = await MediaReader.CreateFromMediaCaptureAsync(_capture, AudioInitialization.Deselected, VideoInitialization.Bgra8);
TextLog.Text += "Starting video loop\n";
var ignore = Task.Run(() => VideoLoop());
}
public async Task CS_W_MediaReader_IpCam()
{
using (var source = await HttpMjpegCaptureSource.CreateFromUriAsync("http://216.123.238.208/axis-cgi/mjpg/video.cgi?camera&resolution=640x480"))
using (var mediaReader = await MediaReader.CreateFromMediaSourceAsync(source.Source))
using (var result = await mediaReader.VideoStream.ReadAsync())
{
// Save the file
var folder = await KnownFolders.PicturesLibrary.CreateFolderAsync("MediaCaptureReaderTests", CreationCollisionOption.OpenIfExists);
var file = await folder.CreateFileAsync("CS_W_MediaReader_IpCam.jpg", CreationCollisionOption.ReplaceExisting);
await((MediaSample2D)result.Sample).SaveToFileAsync(file, ImageCompression.Jpeg);
Logger.LogMessage("Saved {0}", file.Path);
}
}
async void Source_KeyUp(object sender, KeyRoutedEventArgs e)
{
if (e.Key != VirtualKey.Enter)
{
return;
}
Log.Text += String.Format("Opening {0}\n", Source.Text);
try
{
var client = await HttpMjpegCaptureSource.CreateFromUriAsync(Source.Text);
Preview.SetMediaStreamSource(client.Source);
}
catch
{
Log.Text += " Failed to initiate MJPEG camera playback\n";
}
}
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
// Start the camera and open a HTTP listener on port 31415
m_server = await CameraServer.CreateAsync(31415);
foreach (IPAddress ip in m_server.IPAddresses)
{
Log.Text += String.Format("Server IP address: {0} {1}\n", ip.Type.ToString(), ip.Name);
}
// Start an HTTP client, connect to port 31415, and display the video
var client = await HttpMjpegCaptureSource.CreateFromUriAsync("http://localhost:31415/");
Source.KeyUp += Source_KeyUp;
// Log video playback events
Preview.MediaFailed += Preview_MediaFailed;
Preview.MediaEnded += Preview_MediaEnded;
Preview.MediaOpened += Preview_MediaOpened;
Preview.CurrentStateChanged += Preview_CurrentStateChanged;
// Start playback
Preview.SetMediaStreamSource(client.Source);
}
