Open Source API and interchange format for editorial timeline information.
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README.md

OpenTimelineIO

Supported VFX Platform Versions Supported Versions Build Status codecov docs

Main web site: http://opentimeline.io/

Documentation: https://opentimelineio.readthedocs.io/

GitHub: https://github.com/PixarAnimationStudios/OpenTimelineIO

Discussion Group: https://groups.google.com/forum/#!forum/open-timeline-io

PUBLIC BETA NOTICE

OpenTimelineIO is currently in Public Beta. That means that it may be missing some essential features and there are large changes planned. During this phase we actively encourage you to provide feedback, requests, comments, and/or contributions.

Overview

OpenTimelineIO is an interchange format and API for editorial cut information. OTIO is not a container format for media, rather it contains information about the order and length of cuts and references to external media.

OTIO includes both a file format and an API for manipulating that format. It also includes a plugin architecture for writing adapters to convert from/to existing editorial timeline formats. It also implements a dependency- less library for dealing strictly with time, opentime.

You can provide adapters for your video editing tool or pipeline as needed. Each adapter allows for import/export between that proprietary tool and the OpenTimelineIO format.

Documentation

Documentation, including quick start, architecture, use cases, API docs, and much more, is available on ReadTheDocs

Adapters

OpenTimelineIO supports, or plans to support, conversion adapters for many existing file formats, such as Final Cut Pro XML, AAF, CMX 3600 EDL, etc.

See: https://opentimelineio.readthedocs.io/en/latest/tutorials/adapters.html

Other Plugins

OTIO also supports several other kinds of plugins, for more information see:

  • Media Linkers - Generate media references to local media according to your local conventions.
  • HookScripts - Scripts that can run at various points during OTIO execution (ie before the media linker)
  • SchemaDefs - Define OTIO schemas.

Installing / Quick-Start

You can install OpenTimelineIO via

pip install opentimelineio

For more details, including how to run the included viewer program, see: https://opentimelineio.readthedocs.io/en/latest/tutorials/quickstart.html

Example Usage

import opentimelineio as otio

timeline = otio.adapters.read_from_file("foo.aaf")
for clip in timeline.each_clip():
  print clip.name, clip.duration()

There are more code examples here: https://github.com/PixarAnimationStudios/OpenTimelineIO/tree/master/examples

Also, looking through the unit tests is a great way to see what OTIO can do: https://github.com/PixarAnimationStudios/OpenTimelineIO/tree/master/tests

OTIO includes a viewer program as well:

OTIO View Screenshot

Developing

If you want to contribute to the project, please see: https://opentimelineio.readthedocs.io/en/latest/tutorials/contributing.html

You can get the latest development version via:

git clone git@github.com:PixarAnimationStudios/OpenTimelineIO.git OpenTimelineIO

You can install development dependencies with pip install -e .[dev]

You can also install the PySide2 dependency with pip install -e .[view]

Currently the code base is written against python 2.7 and python 3.5, in keeping with the pep8 style. We ask that before you submit a pull request, you:

  • run make test -- to ensure that none of the unit tests were broken
  • run make lint -- to conform to pep8
  • run make coverage -- to detect code which isn't covered

PEP8: https://www.python.org/dev/peps/pep-0008/

Contact

For more information, please visit http://opentimeline.io/ or https://github.com/PixarAnimationStudios/OpenTimelineIO or join our announcement mailing list: https://groups.google.com/forum/#!forum/open-timeline-io