public async Task CS_W_MediaReader_LumiaEffect() { using (var mediaReader = await MediaReader.CreateFromPathAsync("ms-appx:///car.mp4", AudioInitialization.Deselected, VideoInitialization.Nv12)) using (var mediaResult = await mediaReader.VideoStream.ReadAsync()) { var streamProperties = mediaReader.VideoStream.GetCurrentStreamProperties(); int width = (int)streamProperties.Width; int height = (int)streamProperties.Height; Assert.AreEqual(320, width); Assert.AreEqual(240, height); var inputSample = (MediaSample2D)mediaResult.Sample; Assert.AreEqual(MediaSample2DFormat.Nv12, inputSample.Format); Assert.AreEqual(320, inputSample.Width); Assert.AreEqual(240, inputSample.Height); using (var outputSample = new MediaSample2D(MediaSample2DFormat.Nv12, width, height)) { Assert.AreEqual(MediaSample2DFormat.Nv12, outputSample.Format); Assert.AreEqual(320, outputSample.Width); Assert.AreEqual(240, outputSample.Height); using (var inputBuffer = inputSample.LockBuffer(BufferAccessMode.Read)) using (var outputBuffer = outputSample.LockBuffer(BufferAccessMode.Write)) { // Wrap MediaBuffer2D in Bitmap var inputBitmap = new Bitmap( new Size(width, height), ColorMode.Yuv420Sp, new uint[] { inputBuffer.Planes[0].Pitch, inputBuffer.Planes[1].Pitch }, new IBuffer[] { inputBuffer.Planes[0].Buffer, inputBuffer.Planes[1].Buffer } ); var outputBitmap = new Bitmap( new Size(width, height), ColorMode.Yuv420Sp, new uint[] { outputBuffer.Planes[0].Pitch, outputBuffer.Planes[1].Pitch }, new IBuffer[] { outputBuffer.Planes[0].Buffer, outputBuffer.Planes[1].Buffer } ); // Apply effect var effect = new FilterEffect(); effect.Filters = new IFilter[] { new WatercolorFilter() }; effect.Source = new BitmapImageSource(inputBitmap); var renderer = new BitmapRenderer(effect, outputBitmap); await renderer.RenderAsync(); } // Save the file var folder = await KnownFolders.PicturesLibrary.CreateFolderAsync("MediaCaptureReaderTests", CreationCollisionOption.OpenIfExists); var file = await folder.CreateFileAsync("CS_W_MediaReader_TestLumiaEffect.jpg", CreationCollisionOption.ReplaceExisting); await outputSample.SaveToFileAsync(file, ImageCompression.Jpeg); Logger.LogMessage("Saved {0}", file.Path); } } }
public void CS_WP_N_Basic() { ExecuteOnUIThread(async() => { var capture = new MediaCapture(); await capture.InitializeAsync(new MediaCaptureInitializationSettings { StreamingCaptureMode = StreamingCaptureMode.Video }); var graphicsDevice = MediaGraphicsDevice.CreateFromMediaCapture(capture); var previewProps = (VideoEncodingProperties)capture.VideoDeviceController.GetMediaStreamProperties(MediaStreamType.VideoPreview); var image = new SurfaceImageSource((int)previewProps.Width, (int)previewProps.Height); var imagePresenter = ImagePresenter.CreateFromSurfaceImageSource( image, graphicsDevice, (int)previewProps.Width, (int)previewProps.Height ); var panel = new SwapChainPanel(); var swapChainPresenter = ImagePresenter.CreateFromSwapChainPanel( panel, graphicsDevice, (int)previewProps.Width, (int)previewProps.Height ); var readerProps = VideoEncodingProperties.CreateUncompressed(MediaEncodingSubtypes.Bgra8, previewProps.Width, previewProps.Height); readerProps.FrameRate.Numerator = previewProps.FrameRate.Numerator; readerProps.FrameRate.Denominator = previewProps.FrameRate.Denominator; var captureReader = await CaptureReader.CreateAsync( capture, new MediaEncodingProfile { Video = readerProps }); using (MediaSample2D sample = (MediaSample2D)await captureReader.GetVideoSampleAsync()) { swapChainPresenter.Present(sample); imagePresenter.Present(sample); var folder = await KnownFolders.PicturesLibrary.CreateFolderAsync("MediaCaptureReaderTests", CreationCollisionOption.OpenIfExists); var file = await folder.CreateFileAsync("CS_WP_N_Basic.jpg", CreationCollisionOption.ReplaceExisting); await sample.SaveToFileAsync(file, ImageCompression.Jpeg); } }); }