Theora 1.0 Released

The Xiph.Org Foundation has announced the release of Theora 1.0. “Theora is a video codec with a small CPU footprint that offers easy portability and requires no patent royalties.” This is the first major point release of Theora, and marks an “important milestone reflecting the maturity and stability of the Theora codebase”.

Here’s a part of the announcement:

The Theora 1.0 package includes a reference library using the revised 3-clause BSD license, allowing use in all software, free or proprietary. The reference library uses a new decoder which supports the entire Theora specification and is significantly faster than earlier versions. This high-performance decoder is already used on the XO laptop from the OLPC project.

The package also supplies numerous resources for developers: a 190 page format specification, API documentation, example encoder and decoder software, and a draft RTP specification for real-time streaming.

Theora development does not stop with the 1.0 release. With sponsorship from Red Hat Inc., Xiph.Org has been working on a next-generation encoder, codenamed ‘Thusnelda’, which has already demonstrated substantial quality improvements without breaking backward compatibility. While Theora is already the preferred format for applications where freedom, CPU consumption, and cost are important, Thusnelda will make Theora more attractive for applications where quality and bit-rate are the only considerations. The new encoder is slated for inclusion in the upcoming 1.1 release of Theora.


Theora will be natively supported by future releases of Mozilla Firefox and Opera Web browsers. Theora 1.0 is available for download in tar and zip formats.

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