[Matroska-devel] Adding V_VP8 and V_VP9 to spec for interop with WebM
slhomme at matroska.org
Sat Oct 17 13:12:22 CEST 2015
2015-10-16 23:41 GMT+02:00 Nick <Nick.Drouin at live.com>:
> Hi Steve, everyone,
> What are your thoughts on adding V_VP8 and V_VP9 to the MKV codec list?
Yes. More generally we need to work a lot of this codec list. That
will hopefully when we start the serious work on proper
> As per: http://www.webmproject.org/docs/container/
> Section: Demuxer and Muxer Guidelines
> When they refer to audio, they can just reference the Matroska spec for
> "A_VORBIS" or "A_OPUS". However, for video, they need to augment the
> spec within the actual WebM spec.
> It would be cleaner to add to MKV:
> V_VP8 | VP8 Codec format
> V_VP9 | VP9 Codec format
> With a description of:
> There is no CodecPrivate data for VP8 or VP9.
> WebM Container reference:
> VP8 Codec references:
> Similarly, they later spec:
> "Per the convention (see the Matroska Codec Specifications) used for
> flavors of a particular video or audio codec, the CodecID for a WebVTT
> track is "D_WEBVTT/ kind ", where kind is one of SUBTITLES, CAPTIONS,
> DESCRIPTIONS, or METADATA."
> Which implies:
Not sure about that. Do they have to be split ? Description and
metadata don't seem like streams that need to be interleaved with the
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