Stefano Sabatini 6b61920ab7 lavfi: port boxblur filter from libmpcodecs
With the following additions:
* support to gray format
* support to yuva420p format
* parametric luma/chroma/alpha radius
* consistency check on the radius values, avoid crashes with invalid values
2011-07-14 00:00:31 +02:00
..
2011-06-02 14:43:29 +02:00
2011-06-07 00:37:00 +02:00
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2011-06-05 13:31:47 +02:00
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2011-06-27 15:26:14 +02:00
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