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Diffstat (limited to 'DOCS/man/vf.rst')
| -rw-r--r-- | DOCS/man/vf.rst | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/DOCS/man/vf.rst b/DOCS/man/vf.rst index bafefe8871..e0427bd88d 100644 --- a/DOCS/man/vf.rst +++ b/DOCS/man/vf.rst @@ -771,6 +771,15 @@ Available filters are: Display size of the video. Can be different from video size if the video does not use square pixels (e.g. DVD). + ``container_fps`` + FPS value as reported by file headers. This value can be wrong or + completely broken (e.g. 0 or NaN). Even if the value is correct, + if another filter changes the real FPS (by dropping or inserting + frames), the value of this variable might not be useful. Note that + the ``--fps`` command line option overrides this value. + + Useful for some filters which insist on having a FPS. + ``vapoursynth-lazy`` The same as ``vapoursynth``, but doesn't load Python scripts. Instead, a custom backend using Lua and the raw VapourSynth API is used. The syntax |