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Yuuno-Core - Extract frames from videos.

Project description


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Yuuno = Jupyter + VapourSynth

Start your journey here:


  • Automatic importing of a VapourSynth-core as well as the VapourSynth-module itself.
  • Inline-rendering of the first frame of a clip.
  • Encoding of VapourSynth-Clips from the Notebook/IPython-shell
  • Interactive Clip Introspection using IPython-magics (%preview, %diff, %compare and %inspect)


This package was created with Cookiecutter and the audreyr/cookiecutter-pypackage project template.


1.3.0 (Parian)

  • Support for changes brought in by R51

1.2.0 (Chubster)

  • Internal Stuff required for Yuuno4IPython.

1.1.0 (Skidmark)

  • yuuno - A command for running and setting up stuff.

1.0.2 (Khepri)

  • Made compatible with VapourSynth R45

1.0.1 (Khepri)

  • Fixed incompatibility with Python 3.7

1.0.0 (Khepri)

  • Split up Yuuno into Yuuno for IPython and Yuuno-core
  • Allow autodiscover of additional Yuuno-extensions.
  • Allow autodiscover of additional Yuuno-environments.
  • Fix incorrect endianness of COMPAT-Formats in MAC OS X.
  • Implement “Script”-Environments. This allows to use VSScript or subprocess. This allows to use Yuuno for editors.
  • Hook the VapourSynth log-system.

0.8.0 (Glastig Uaine)

  • Now I name my releases because I feel like it.
  • Fixed color profile not included in PNGs by default. Do so by emitting an sRGB-chunk.
  • Completed first version of Comm-Protocol for Yuuno-Kernels.
  • Added progressbar to %encode-magic.
  • Added support for R41+ alpha clips. (Also with R43+ AlphaOutputTuple support: vapoursynth/#362)
  • Use %show for IPython. It will convert the clip to a PIL image. (Can also work for Alpha-Tuples pre R41).


  • Added support for clips with variable video formats
  • Added support for zlib compression and ICCP-chunk on PNG outputter

0.6.0 (2017-07-24)

  • %runvpy can now return the outputs of a vapoursynth-script (.vpy) as a dict.
  • Settings of VapourSynth cores are now exposed as configuration variables
  • [Misc] Extracted %encode and stuck it inside its own sub-package.

0.5.0 (2017-06-18)

Rewrite of the yuuno codebase to prepare for Yuuno 1.0.0-release.

  • You don’t have to do %yuuno install anymore.
  • To configure settings while in your IPython-shell, use the %config-magic, which is available in any IPython installation.
  • The minimum Python-version of Yuuno is Python 3.6. Make sure you are running this version when upgrading.
  • Using %unload_ext yuuno you can now completely deactivate Yuuno on your notebook.
  • The %encode-magic has become more robust now.
  • There is a %render-magic now, which does everything %encode does but stores the output into a io.BytesIO.
  • All interactive applications are now IPython-magics.
  • %preview returns a Preview-object. By changing the clip-Attribute of these objects, you can change the clip without losing the frame number.

0.4.0 (2017-05-18)

  • Allow vapoursynth.VideoFrames to be inline-rendered.
  • Fixed incorrect aspect-ratio on all ipywidget based features.
  • Add f-string parsing inside %encode. (Will fallback to regular string.format for Python < 3.6) [thanks for the idea @🎌eXmendiC]
  • Switched to Jinja2 Templates for Raw-HTML output
  • Omit iCCP-chunk since apparently the csp has to be set manually by the user on media players. Of course it can be changed back at any time.

0.3.0 (2017-03-20)

  • An ICCP-chunk is now sent along with the PNG. Currently the default is the 709-CSP ICC. Color-Managed browsers will honor this chunk.
  • The variables core (referencing the current VS-Core) and vs (as a referece to the vapoursynth) will now be pushed to the user-namespace on Yuuno activation.
  • %yuuno install is now the installation command
  • %yuuno version shows the current version of yuuno
  • %yuuno help shows the help for Yuuno.
  • %yuuno get and %yuuno set can be used for configuring Yuuno.
  • You have to use %load_ext yuuno for initiating yuuno now.

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