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Diffstat (limited to 'DOCS')
| -rw-r--r-- | DOCS/man/en/mplayer.1 | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/DOCS/man/en/mplayer.1 b/DOCS/man/en/mplayer.1 index cc1672c546..e321da4c19 100644 --- a/DOCS/man/en/mplayer.1 +++ b/DOCS/man/en/mplayer.1 @@ -7285,6 +7285,26 @@ Percentage of the pixels that have to be below the threshold (default: 98). Threshold below which a pixel value is considered black (default: 32). .RE . +.TP +.B gradfun[=strength[:radius]] +Fix the banding artifacts that are sometimes introduced into nearly flat +regions by truncation to 8bit colordepth. +Interpolates the gradients that should go where the bands are, and +dithers them. +.sp 1 +This filter is designed for playback only. +Do not use it prior to lossy compression, because compression tends +to lose the dither and bring back the bands. +.RSs +.IPs <strength> +Maximum amount by which the filter will change any one pixel. +Also the threshold for detecting nearly flat regions (default: 1.2). +.IPs <radius> +Neighborhood to fit the gradient to. +Larger radius makes for smoother gradients, but also prevents the filter +from modifying pixels near detailed regions (default: 16). +.RE +. . . .SH "GENERAL ENCODING OPTIONS (MENCODER ONLY)" |