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| -rw-r--r-- | DOCS/tech/vop.txt | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/DOCS/tech/vop.txt b/DOCS/tech/vop.txt index 2902c51aa9..270d56d492 100644 --- a/DOCS/tech/vop.txt +++ b/DOCS/tech/vop.txt @@ -172,6 +172,15 @@ Current plugins: given on the command line, and the eq filter is controllable interactively just like with normal hardware equalizer controls. +-vop eq2[=gamma:contrast:brightness:saturation:r_gamma:g_gamma:b_gamma] + advanced software equalizer, for use with cards that don't support + brightness/contrast/saturation and channel gamma controls in hardware. + Initial values in the range -2.0 .. 2.0 may be given on the command line, + and the eq2 filter is controllable interactively just like with normal + hardware equalizer controls or -vop eq. Defaults: 1:1:0:1:1:1:1 + This filter uses MMX only if available and all gamma == 1.0, otherwise + LUT (look-up table) is being used. + -vop unsharp=l|cWxH:amount[:l|cWxH:amount] unsharp mask / gaussian blur. l apply effect on luma component |