# Tunnel

The block applies a light tunnel effect to a video stream.

# Block info

Name: TunnelBlock.

Pin direction	Media type	Pins count
Input	Uncompressed video	1
Output	Uncompressed video	1

# The sample pipeline

graph LR;
    UniversalSourceBlock-->TunnelBlock;
    TunnelBlock-->VideoRendererBlock;

# Sample code

var pipeline = new MediaBlocksPipeline();

var filename = "test.mp4";
var fileSource = new UniversalSourceBlock(await UniversalSourceSettings.CreateAsync(new Uri(filename)));

var tunnelBlock = new TunnelBlock();
pipeline.Connect(fileSource.VideoOutput, tunnelBlock.Input);

var videoRenderer = new VideoRendererBlock(pipeline, VideoView1);
pipeline.Connect(tunnelBlock.Output, videoRenderer.Input);            

await pipeline.StartAsync();

# Platforms

Windows, macOS, Linux, iOS, Android.