[Matroska-devel] (no subject)
slhomme at matroska.org
Mon Mar 2 08:57:28 CET 2015
On 28/02/2015 03:39, Chris Cunningham wrote:
> + Steve, author of this addition.
The change was made following this discussion to handle alt-ref frames
in VP8 at the container level.
> On Fri, Feb 27, 2015 at 6:27 PM Chris Cunningham
> <chcunningham at google.com <mailto:chcunningham at google.com>> wrote:
> Hey Matroska!
> First, let me apologize if I'm asking an answered question. The
> mailing list search function is a bad link
> I work on Chromium Media and we've seen a little confusion from
> content creators around a line that was added
> to the Matroska spec
> <http://www.matroska.org/technical/specs/index.html> for
> BlockDuration (and whether it should be used in WebM):
> "When set to 0 that means the frame is not a keyframe."
> Just curious about the history/motivations for this. WebM's
> container guidelines don't mention this and AFAIK WebM (de)muxers
> just use ReferenceBlocks ... is there an edge-case where that
> doesn't work out?
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