> > Hi I am new to using PureData and I am looking for my help.? I am trying to > take a video file, currently one from the harddrvie but eventually a > streaming feed, and look at each pixel in each frame and consider the RGB > values of the pixels.? I want to then look at those values and calculate a > ratio of R-G and G-B and then determine what color I would like to? change > that pixel based on the ratio.? I believe I have found a good way to get the > data of the pixel, by taking a metro and a counter with the width and height > of the video and divinding by the width and and height and stepping through > the frame and send it to pix_data.? i unpack the RGB values and calculate > the ratio i need.? I am having trouble changing the pixel value to the color > i want.? I am looking for some insight on the best way to approach?this, or > if there is a better way to do it from scrath, or if you think it would be > more efficient to use another program and if you all know > of any other programs.? Thank you for your help. > ? > ~Sean
It seems to me that the most efficient way of doing this would be with a custom GLSL shader. Ben Baker-Smith -- http://bitsynthesis.com
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