From MediaSoft Pro:
Media Handler Pro is a free and powerful .net wrapper which have ability to convert videos and audios from any format to another format, grab thumbnails from video, post watermark on video, split video in clips, extract audio from videos and perform lots of other processing in real time using .NET applications including ASP.NET.
Main Features include:
Encode video from one format to enother format using ASP.NET and other .NET Applications.
Post watermark image on video. Learn more.
Capture single or multiple thumbs from video in any sequence or specified interval of time or can capture specified number of thumbs from start to end of video. Learn more.
Split videos in small clips and encode it in different formats.
Join and publish two or more video clips in one video output.
Easy to use video properties by customizing video output according to your need. Learn more
Retrieve all useful information from video directly or after video encoding that is used for variety of purposes such as duration, sampling rate, width, height, video codec, audio codec, video size, video filename and other information.
Setting Meta-Information for FLV Videos that is required for flash players to perform various operations while playing flash video on the web including play, pause, fast forward, fast backward etc.
Images to video conversion. learn more.
Check whether current media file is in audio or video format.
More effective exception handling control while processing videos to make sure video is successfully published or failed with proper error reason.
Powerful background processing to prevent application lock exceptions while encoding huge media files.