
aiortc
WebRTC and ORTC implementation for Python using asyncio
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aiortc is a Python library for Web Real-Time Communication (WebRTC) and Object Real-Time Communication (ORTC). It provides a simple and readable implementation for programmers to understand and tinker with WebRTC internals. The library allows for exchanging audio, video, and data channels, supports SDP generation/parsing, ICE, DTLS, SRTP, SCTP, and various audio/video codecs. It also enables creating innovative products by leveraging Python ecosystem modules, such as computer vision algorithms with OpenCV. Extensive testing ensures high code quality.
README:
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aiortc
is a library for Web Real-Time Communication (WebRTC)
_ and
Object Real-Time Communication (ORTC)
_ in Python. It is built on top of
asyncio
, Python's standard asynchronous I/O framework.
The API closely follows its Javascript counterpart while using pythonic constructs:
- promises are replaced by coroutines
- events are emitted using
pyee.EventEmitter
To learn more about aiortc
please read the documentation
_.
.. _Web Real-Time Communication (WebRTC): https://webrtc.org/ .. _Object Real-Time Communication (ORTC): https://ortc.org/ .. _read the documentation: https://aiortc.readthedocs.io/en/latest/
The main WebRTC and ORTC implementations are either built into web browsers, or come in the form of native code. While they are extensively battle tested, their internals are complex and they do not provide Python bindings. Furthermore they are tightly coupled to a media stack, making it hard to plug in audio or video processing algorithms.
In contrast, the aiortc
implementation is fairly simple and readable. As
such it is a good starting point for programmers wishing to understand how
WebRTC works or tinker with its internals. It is also easy to create innovative
products by leveraging the extensive modules available in the Python ecosystem.
For instance you can build a full server handling both signaling and data
channels or apply computer vision algorithms to video frames using OpenCV.
Furthermore, a lot of effort has gone into writing an extensive test suite for
the aiortc
code to ensure best-in-class code quality.
aiortc
allows you to exchange audio, video and data channels and
interoperability is regularly tested against both Chrome and Firefox. Here are
some of its features:
- SDP generation / parsing
- Interactive Connectivity Establishment, with half-trickle and mDNS support
- DTLS key and certificate generation
- DTLS handshake, encryption / decryption (for SCTP)
- SRTP keying, encryption and decryption for RTP and RTCP
- Pure Python SCTP implementation
- Data Channels
- Sending and receiving audio (Opus / PCMU / PCMA)
- Sending and receiving video (VP8 / H.264)
- Bundling audio / video / data channels
- RTCP reports, including NACK / PLI to recover from packet loss
The easiest way to install aiortc
is to run:
.. code:: bash
pip install aiortc
aiortc
is released under the BSD license
_.
.. _BSD license: https://aiortc.readthedocs.io/en/latest/license.html
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