FQBlur function operates in frequency domain and requires libFFTw3f-3.dll or FFTw3.dll or fftw3f.dll available at Fizick's site, to be in the path.
FQBlur function blurs an image or part of it with either out of focus type blur or motion blur type. Part of image ( either rectangular or oval) can be processed leaving the rest intact. The selected window can linearly move over length of clip. The dimensions of window however would remain same.
In case of oval window the coordinates to be specified or those of the superscribing rectangle.
In case of motion blur the line is assumed to be symmetric about origin, the end coordinates of blur line will be -x, -y and x,y. In case of out of focus blur the xcoordinate is the radius of blur.
While all 3 color planes of RGB formats are processed, in case of YUY2 and YV12 only Luma (Y) is blurred.RGB formats will run slower as processing has to be performed on the three color planes separately.
Description | Name | Type | Limits | Default |
Input clip | clip | must have the fields separated | none | |
Whether blur is linear as in motion blur or out of focus type | line | boolean | true for motion blur, false for focus | true |
blur line right end x coordinate or radius of focus blur. Line assumed symmetric about origin | x | integer | 2 to 1/8 frame width | 6 |
blur line right end y coordinate. Line assumed symmetric about origin | y | integer | - 1/8th to 1/8th frame height | 2 |
left x coordinate of blur window | lx | integer | 0 to frame width - 8* x | 0 |
top y coordinate of blur window | ty | integer | 0 to frame height - 8* absolute value of y | 0 |
right x coordinate of blur window | rx | integer | 8 * x to frame width - 1 | width - 1 |
bottom y coordinate of blur window | by | integer | 8* abs y to frame height -y | height - 1 |
left x coordinate of blur window at end frame | elx | integer | 0 to frame width - 8* x andensure window remains in frame | lx |
top y coordinate of blur window at end frame | ety | integer | 0 to frame height - 8* absolute value of y and ensure window remains in frame | ty |
Whether window is oval or rectangular | oval | boolean | true for oval, false for rectangular | false |
assumeframebased() separatefields(). selectodd() trim(0,100) crop(250,0,400,-40) fqb1 = FQBlur( line = false, x=4,oval = true, lx = 270, rx = 360, ty = 140, by = 199) fqb2 = FQBlur( line = false, x=8,y = 0,oval = false) fqb3 = FQBlur( line = true, x=8,y = 2,oval = false, lx = 20, rx = 300, ty = 40, by = 80) fqb4 = FQBlur( line = true, x=12,y = -4,oval = false) fqb5 = FQBlur( line = true, x=0,y = 10,oval = true) sta = stackvertical(last,fqb1,fqb2) stb = stackvertical(fqb3,fqb4,fqb5) sth = stackhorizontal(sta, stb) #.Grid() return (sth)
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