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doc/filters: document bit-depth independent cropdetect limit 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Michael Niedermayer 2014-12-31 03:01:19 +01:00
parent d97b94f1af
commit 037b527d62
1 changed files with 4 additions and 2 deletions
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doc/filters.texi
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@ -3303,8 +3303,10 @@ It accepts the following parameters:
@item limit
Set higher black value threshold, which can be optionally specified
from nothing (0) to everything (255). An intensity value greater
to the set value is considered non-black. It defaults to 24.
from nothing (0) to everything (255 for 8bit based formats). An intensity
value greater to the set value is considered non-black. It defaults to 24.
You can also specify a value between 0.0 and 1.0 which will be scaled depending
on the bitdepth of the pixel format.
@item round
The value which the width/height should be divisible by. It defaults to