mendevi.convert¶

Get ffmpeg filter chain command.

Functions

filter_best_order(video, additional_filter, ...)

Generate the ffmpeg filter command that performs this conversion.

Details

mendevi.convert.filter_best_order(video: Path | str, additional_filter: str, fps: Fraction | None, pix_fmt: str | None, resolution: tuple[int, int] | None) → str[source]

Generate the ffmpeg filter command that performs this conversion.

Parameters¶

videopathlike: The video to be filtered. It is required to know the relevant filters and find the best possible order.
additional_filterstr: The additional video filter, (can be an empty string).
fpsfractions.Fraction, optional: The new framerate.
pix_fmtstr, optional: The new pixel format, it has to match the regex yuv4[24][024]p(?:10le|12le)?.
resolutiontuple[int, int], optional: The new (height, width) video shape.

Returns¶

filterstr: The ffmpeg video filter argument. It can be an empty string if nothing has to be done.

Examples¶

>>> from fractions import Fraction
>>> import cutcutcodec
>>> from mendevi.convert import filter_best_order
>>> video = cutcutcodec.utils.get_project_root() / "media" / "video" / "intro.webm"
>>> filter_best_order(video, additional_filter="", fps=None, pix_fmt=None, resolution=None)
''
>>> filter_best_order(
...     video,
...     additional_filter="",
...     fps=Fraction(60000, 1001),
...     pix_fmt="yuv420p10le",
...     resolution=(1080, 1920),
... )
'scale=h=1080:w=1920:sws_flags=bicubic,format=yuv420p10le,fps=60000/1001'
>>> filter_best_order(
...     video,
...     additional_filter="",
...     fps=Fraction(24000, 1001),
...     pix_fmt="yuv420p",
...     resolution=(480, 720),
... )
'fps=24000/1001,scale=h=480:w=720:sws_flags=bicubic'
>>>