Changes between Version 11 and Version 12 of Scaling


Ignore:
Timestamp:
Feb 1, 2019, 11:08:11 AM (8 years ago)
Author:
slhck
Comment:

add warning on different scaling defaults depending on filter/filter_complex

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  • Scaling

    v11 v12  
    11FFmpeg has got a very powerful [https://ffmpeg.org/ffmpeg-filters.html#scale scale filter], which can be used to accomplish various tasks. Some of them are listed here.  More can be found in the [https://ffmpeg.org/ffmpeg-filters.html#scale official documentation]. 
     2
     3{{{
     4#!div style="border: 1px solid #e5c7c7; margin: 1em; background-color: #fdd;"
     5'''Warning:''' When using `-filter_complex`/`-lavfi`, the default scaling flags are not applied, so the default algorithm is not `bicubic`, but `bilinear`. To achieve the same results for complex filter chains, you have to explicitly set the scaling algorithm via the `flags=bicubic` option.
     6}}}
    27
    38In all the examples, the starting image (input.jpg) will be this one (535⨉346 pixels):