how to get output as a grayscale for mine input video?

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C#

private void Filter_Invert(object sender, System.EventArgs e)
		{
			if(BitmapFilter.Invert(m_Bitmap))
				this.Invalidate();
		}

		private void Filter_GrayScale(object sender, System.EventArgs e)
		{
			if(BitmapFilter.GrayScale(m_Bitmap))
				this.Invalidate();
		}

By using this we can able to convert a image file into grayscale, invert like that.....

but how to convert our input normal video file into grayscale video....?

Posted 2-Feb-12 17:56pm

Santhosh Subramanian

Updated 2-Feb-12 18:01pm

Wendelius

v2

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Wendelius 3-Feb-12 0:01am

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ajit_machhe · Answer 1 · 2012-02-22T02:12:00

you need to convert the video to grayscale.

ffmpeg -i VTS_05_1.VOB -pix_fmt gray -vcodec rawvideo -f rawvideo - | ffmpeg -y
-pix_fmt gray -s 720x576 -f rawvideo -i - -pix_fmt yuv420p -vcodec rawvideo -f
rawvideo - | x264 -o out.avi - 720x576

here it will help

For more details
http://ffmpeg.org/libavfilter.html#color[^]

read from above link.

Hope this helps.