[Matroska-users] semantics specify encoded values or unencoded values?
moritz at bunkus.org
Fri Jan 22 18:23:52 CET 2010
On Thu, 21 Jan 2010 22:55:11 -0500, "Matthew Heaney"
<matthewjheaney at hotmail.com> wrote:
> Are predefined tags
> required to have the minimum-length encoding (as is listed on the web
> cited above) in the byte stream?
No. It's fine to code variable-length integers with more octets as long as
their content is identical AND as long as they don't exceed the maximum
number of octets mentioned in the EBML header: EBML maximum size length,
defaults to 8, maximum is 8 for Matroska, and EBML maximum ID length,
defaults to 4, maximum is 4 for Matroska.
As a matter of fact mkvmerge uses this technique in several places -- but
only for the length attribute as the maximum ID length is 4 already and the
level 1 elements all have four-byte IDs (cluster, tracks, cues etc).
If Darl McBride was in charge, he'd probably make marriage
unconstitutional too, since clearly it de-emphasizes the commercial
nature of normal human interaction, and probably is a major impediment
to the commercial growth of prostitution. - Linus Torvalds
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