I'm using jagabo's quick hack script for my VHS captures. Is it appropriate for these videos?
http://www.mediafire.com/watch/9qmy785k7txz6o4/G1994sample.avi
http://www.mediafire.com/watch/86swixze6wvyira/G1991sample.avi
http://www.mediafire.com/watch/cugl3wnxacm8n17/FEsample.avi
Code:AviSource() ConvertToYV12(interlaced=true) ColorYUV(gamma_y=100, off_y=-16, cont_y=-20, cont_u=40, cont_v=40) ConvertToRGB(interlaced=true) RGBAdjust(r=0.90, b=1.1) ConvertToYV12(interlaced=true) Spline64Resize(width/2, height) QTGMC(preset="fast") Dehalo_alpha(rx=2, ry=1) TemporalDegrain(SAD1=200, SAD2=150, sigma=8) TurnRight().nnedi3(dh=true).TurnLeft() aWarpSharp(depth=5) Sharpen(0.3, 0.0) Crop(8,8,-8,-8).AddBorders(8,8,8,8) SeparateFields() SelectEvery(4,0,3) Weave()
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No.
You cannot use the same script with the same filter settings for every video, especially analog video, and especially home-made analog video, and especially every changing camera shot in a home made analog video. Of course, you can try if you wish. Run the same script on your three samples and see what happens.- My sister Ann's brother -
The script I gave before was for an indoor shot with a lot of back lighting. The gamma adjustment was to bring out more detail in the darks. Those adjustments are completely in appropriate for the first clip (the only one I've looked at) which was shot in broad daylight.
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What adjustment needs to be made for videos shot outdoors in broad daylight and at night? Usually in one tape, there are indoor and outdoor scenes, dark and bright, is there a script that is balance enough for one whole tape? If not how do you tell avisynth to apply the filters on certain frames only?
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There are things that might be done for the entire thing, yes. Noise removal, maybe, or some general levels/brightness/contrast/saturation work. But other things have to be tailored for specific scenes.
If not how do you tell avisynth to apply the filters on certain frames only?
Such a script might go something like this:
A=Last
B=A.Tweak(Bright=-2,Cont=1.12,Coring=False)
ReplaceFramesSimple(A,B,Mappings="[1219 1508] [1675 1809] [2070 2363] [33134 33279] ")
where those numbers in brackets represent start and end frames for the filtering. There are more efficient ways to write it, but I do it that way.Last edited by manono; 4th Oct 2015 at 18:32.
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Using Trim it would look something like this:
Code:AviSource() part1 = Trim(0, 1218).FilterSequence() part2 = Trim(1219, 1508).DifferentFilterSequence() part3 = Trim(1509, 1674).AnotherFilterSequence() part4 = Trim(1675, 1809).Another() part1 + part2 + part3 + part4 # append them all back together
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