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DOCS/options: update lavfi-complex examples 

Show how to stack 3 or more videos, and remove the life filter example
because it should be used with av://lavfi:life.
This commit is contained in:
Guido Cella 2023-09-27 10:42:07 +02:00 committed by Dudemanguy
parent 649409140c
commit 3a2ebd616b
1 changed files with 2 additions and 2 deletions
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DOCS/man/options.rst
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@ -7307,11 +7307,11 @@ Miscellaneous
to fix the size). to fix the size).
To load a video track from another file, you can use To load a video track from another file, you can use
``--external-file=other.mkv``. ``--external-file=other.mkv``.
- ``--lavfi-complex='[vid1] [vid2] [vid3] hstack=inputs=3 [vo]'``
Use the inputs option to stack more than 2 tracks.
- ``--lavfi-complex='[aid1] asplit [t1] [ao] ; [t1] showvolume [t2] ; [vid1] [t2] overlay [vo]'`` - ``--lavfi-complex='[aid1] asplit [t1] [ao] ; [t1] showvolume [t2] ; [vid1] [t2] overlay [vo]'``
Play audio track 1, and overlay the measured volume for each speaker Play audio track 1, and overlay the measured volume for each speaker
over video track 1. over video track 1.
- ``null:// --lavfi-complex='life [vo]'``
A libavfilter source-only filter (Conways' Life Game).
See the FFmpeg libavfilter documentation for details on the available See the FFmpeg libavfilter documentation for details on the available
filters. filters.