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Diffstat (limited to 'man/blind-time-blur.1')
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diff --git a/man/blind-time-blur.1 b/man/blind-time-blur.1 new file mode 100644 index 0000000..e847166 --- /dev/null +++ b/man/blind-time-blur.1 @@ -0,0 +1,29 @@ +.TH BLIND-TIME-BLUR 1 blind +.SH NAME +blind-time-blur - Draw new frames on top of old frames with partial alpha +.SH SYNOPSIS +.B blind-time-blur +.I alpha-stream +.SH DESCRIPTION +.B blind-time-blur +reads a video from stdin and a mask video from +.IR alpha-stream . +The first frame from the video is printed to stdout +as is, and the first frame from the mask video is +ignored. Succeeding frames are drawn on top of the +last frame printed to stdout, with its alpha cannel +multiplied pixel-by-pixel by the product of the +luminosity and the alpha from corresponding pixel +in the mask video, and then printed stdout. +.P +If stdin is longer than +.IR alpha-stream , +the remainder or stdin is printed without any changes. +If stdin is shorter than +.IR alpha-stream , +the remainder of +.I alpha-stream +is ignored but may be partially read. +.SH AUTHORS +Mattias Andree +.RI < maandree@kth.se > |