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Diffstat (limited to 'DOCS')
| -rw-r--r-- | DOCS/man/vf.rst | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/DOCS/man/vf.rst b/DOCS/man/vf.rst index bd3254e557..d42acdc44b 100644 --- a/DOCS/man/vf.rst +++ b/DOCS/man/vf.rst @@ -44,6 +44,12 @@ The exact syntax is: the ``lavfi`` filter, which uses a very similar syntax as mpv (MPlayer historically) to specify filters and their parameters. +.. note:: + + ``--vf`` can only take a single track as input, even if the filter supports + dynamic input. Filters that require multiple inputs can't be used. + Use ``--lavfi-complex`` for such a use case. This also applies for ``--af``. + Filters can be manipulated at run time. You can use ``@`` labels as described above in combination with the ``vf`` command (see `COMMAND INTERFACE`_) to get more control over this. Initially disabled filters with ``!`` are useful for |