[opus] Ogg Format

Ralph Giles giles at thaumas.net
Wed May 11 03:47:12 UTC 2016

On 10/05/16 02:37 PM, Amit Ashara wrote:

> Is there a format document on the OpusTag structure? Search always shows
> up Vorbis but not Opus.

The basic format is shared with Vorbis, but the 'magic signature' is
different ('OpusTags' instead of '0x05vorbis') and vorbis puts a 0x01
value in an extra byte after the last tag.

The OpusTag packet layout is described in

Common tag names used for interoperability are described in the Vorbis
documentation. See https://www.xiph.org/vorbis/doc/v-comment.html
There are more extensive tag lists on some other sites.

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