Require to Watermark Videos on specified position on Video.
1.) Watermark can be TEXT WATERMARK or IMAGE WATERMARK.
2.) Video Format can be AVI, MPEG or any other format.
3.) Watermark is not required on whole video background, it will be on any part of video, say 3"X3" watermark on extreme 100, 100 coordinate.
More specifications can be later on explained
1.) It must be in C#.NET, can make use of directshow library.
2.) Should not get flickering/position shifted in frames.
3.) Only optimized code will be accepted. It should not take more than 30seconds to watermark 4hrs video.
4.) Capturing time watermarking is also acceptable.
5.) All open sources are acceptable, no third party DLL without source codes are acceptable.