# Text overlay

The block adds the text overlay on top of the video stream.

# Block info

Name: TextOverlayBlock.

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

# The sample pipeline

graph LR;
    UniversalSourceBlock-->TextOverlayBlock;
    TextOverlayBlock-->VideoRendererBlock;

# Sample code

var pipeline = new MediaBlocksPipeline();

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

var textOverlay = new TextOverlayBlock(new TextOverlaySettings("Hello world!"));
pipeline.Connect(fileSource.VideoOutput, textOverlay.Input);

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

await pipeline.StartAsync();

# Platforms

Windows, macOS, Linux, iOS, Android.