A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : A VP9 Bitstream Overview
Author(s) : Adrian Grange
Harald Alvestrand
Filename : draft-grange-vp9-bitstream-00.txt
Pages : 14
Date : 2013-02-18
Abstract:
This document describes VP9, a video codec being developed
specifically to meet the demand for the consumption of video over the
Internet, including professionally and amateur produced video-on-
demand and conversational video content. VP9 is an evolution of the
VP8 video codec that is described in [bankoski-rfc6386] and includes
a number of enhancements and new coding tools that have been added to
improve the coding efficiency. The new tools that have been added so
far include: larger prediction block sizes up to 64x64, various forms
of compound INTER prediction, more modes for INTRA prediction,
⅛-pel motion vectors, 8-tap switchable sub-pixel interpolation
filters, improved motion reference generation, improved motion vector
coding, improved entropy coding including frame-level entropy
adaptation for various symbols, improved loop filtering, the
incorporation of the Asymmetric Discrete Sine Transform (ADST),
larger 16x16 and 32x32 DCTs, and improved frame level segmentation.
VP9 is under active development and this document provides only a
snapshot of the current state of the coding tools as they exist
today. The finalized version of the VP9 bitstream may differ
considerably from the description contained herein and may encompass
the exclusion or modification of existing coding tools or the
addition of new coding tools.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-grange-vp9-bitstream
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-grange-vp9-bitstream-00
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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