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Diffstat (limited to 'doc/filters.texi')
| -rw-r--r-- | doc/filters.texi | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 70bb0996d3..9ada73bab0 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -16177,6 +16177,31 @@ Cubic BC spline with parameters recommended by Mitchell and Netravali. Very little ringing. @end table +@item frame_mixer +Controls the kernel used for mixing frames temporally. The default value is +@code{none}, which disables frame mixing. For a full list of possible values, +pass @code{help} to this option. The most important values are: +@table @samp +@item none +Disables frame mixing, giving a result equivalent to "nearest neighbour" +semantics. + +@item oversample +Oversamples the input video to create a "Smooth Motion"-type effect: if an +output frame would exactly fall on the transition between two video frames, it +is blended according to the relative overlap. This is the recommended option +whenever preserving the original subjective appearance is desired. + +@item mitchell_clamp +Larger filter kernel that smoothly interpolates multiple frames in a manner +designed to eliminate ringing and other artefacts as much as possible. This is +the recommended option wherever maximum visual smoothness is desired. + +@item linear +Linear blend/fade between frames. Especially useful for constructing e.g. +slideshows. +@end table + @item lut_entries Configures the size of scaler LUTs, ranging from @code{1} to @code{256}. The default of @code{0} will pick libplacebo's internal default, typically @@ -16535,6 +16560,12 @@ libplacebo=w=1920:h=1080:force_original_aspect_ratio=decrease:normalize_sar=true @end example @item +Interpolate low FPS / VFR input to smoothed constant 60 fps output: +@example +libplacebo=fps=60:frame_mixer=mitchell_clamp +@end example + +@item Convert input to standard sRGB JPEG: @example libplacebo=format=yuv420p:colorspace=bt470bg:color_primaries=bt709:color_trc=iec61966-2-1:range=pc |