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kushalkolar avatar kushalkolar commented on June 13, 2024

Right now you could manually call fig.recorder.start() with your own kwargs:

fastplotlib/fastplotlib/layouts/_figure.py

Lines 670 to 710 in 9a309ef

codec: str, default "mpeg4"
codec to use, see ``ffmpeg`` list: https://www.ffmpeg.org/ffmpeg-codecs.html .
In general, ``"mpeg4"`` should work on most systems. ``"libx264"`` is a
better option if you have it installed.
pixel_format: str, default "yuv420p"
pixel format
options: dict, optional
Codec options. For example, if using ``"mpeg4"`` you can use ``{"q:v": "20"}`` to set the quality between
1-31, where "1" is highest and "31" is lowest. If using ``"libx264"``` you can use ``{"crf": "30"}`` where
the "crf" value is between "0" (highest quality) and "50" (lowest quality). See ``ffmpeg`` docs for more
info on codec options
Examples
--------
With ``"mpeg4"``
.. code-block:: python
# start recording video
figure.recorder.start("./video.mp4", options={"q:v": "20"}
# do stuff like interacting with the plot, change things, etc.
# end recording
figure.recorder.stop()
With ``"libx264"``
.. code-block:: python
# start recording video
figure.recorder.start("./vid_x264.mp4", codec="libx264", options={"crf": "25"})
# do stuff like interacting with the plot, change things, etc.
# end recording
figure.recorder.stop()

You can choose a diff codec and/or choose a different q:v or crf value depending on the codec, examples are given above for mpeg4 and libx264.

Long term I wonder if there's a better way to record video with pygfx, posted pygfx/pygfx#754

from fastplotlib.

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