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author | Nicolas George <george@nsup.org> | 2020-04-16 22:25:24 +0200 |
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committer | Nicolas George <george@nsup.org> | 2020-05-23 15:52:27 +0200 |
commit | 88567a2e523d63fadb7eac839e2fbe46d065cd56 (patch) | |
tree | 70d3bad766321ba08b80170a3fbbe3d19cdfc65a /doc | |
parent | 2a52f19a91de33f382e00a3efa9431ec3277af42 (diff) |
lavfi: add untile filter.
Diffstat (limited to 'doc')
-rw-r--r-- | doc/filters.texi | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/doc/filters.texi b/doc/filters.texi index 3b444bd143..85a511b205 100644 --- a/doc/filters.texi +++ b/doc/filters.texi @@ -18197,10 +18197,13 @@ ffmpeg -i in.avi -vf thumbnail,scale=300:200 -frames:v 1 out.png @end example @end itemize +@anchor{tile} @section tile Tile several successive frames together. +The @ref{untile} filter can do the reverse. + The filter accepts the following options: @table @option @@ -18984,6 +18987,37 @@ unsharp=7:7:-2:7:7:-2 @end example @end itemize +@anchor{untile} +@section untile + +Decompose a video made of tiled images into the individual images. + +The frame rate of the output video is the frame rate of the input video +multiplied by the number of tiles. + +This filter does the reverse of @ref{tile}. + +The filter accepts the following options: + +@table @option + +@item layout +Set the grid size (i.e. the number of lines and columns). For the syntax of +this option, check the +@ref{video size syntax,,"Video size" section in the ffmpeg-utils manual,ffmpeg-utils}. +@end table + +@subsection Examples + +@itemize +@item +Produce a 1-second video from a still image file made of 25 frames stacked +vertically, like an analogic film reel: +@example +ffmpeg -r 1 -i image.jpg -vf untile=1x25 movie.mkv +@end example +@end itemize + @section uspp Apply ultra slow/simple postprocessing filter that compresses and decompresses |