- From: Glenn Adams <glenn@skynav.com>
- Date: Wed, 3 Apr 2013 04:32:38 -0600
- To: Henri Sivonen <hsivonen@iki.fi>
- Cc: Steve Faulkner <faulkner.steve@gmail.com>, HTMLWG WG <public-html-media@w3.org>, HTML Accessibility Task Force <public-html-a11y@w3.org>
- Message-ID: <CACQ=j+ekmZ9iCn7_EHyYSTESfdZG0NMMLH9iM=Oz0BvRCH6Rqw@mail.gmail.com>
On Wed, Apr 3, 2013 at 4:18 AM, Henri Sivonen <hsivonen@iki.fi> wrote: > On Tue, Apr 2, 2013 at 7:24 PM, Glenn Adams <glenn@skynav.com> wrote: > > On Tue, Apr 2, 2013 at 2:45 AM, Henri Sivonen <hsivonen@iki.fi> wrote: > >> On Thu, Mar 28, 2013 at 7:01 PM, Glenn Adams <glenn@skynav.com> wrote: > > > The W3C should not ignore real word use cases. And delivery via MPEG-2 > is a > > real-world use case. > > Delivery via MPEG-2 is not a use case. It's a potential solution for > addressing a use case. > No. It's a use case based on the fact that the greatest part (>99%?) of broadcast video and DVD video is using MPEG-2. > > Which browsers currently implement MPEG-2 without DRM in HTML5 video? > Hmm, let's see, there are Samsung Smart TVs, LG TVs, Sony TVs, .... I'm not sure where the list stops. > Which one intend to? What about with DRM? > You are asking me to declare the intentions of HTML5 enabled TV Manufacturers? Feel free to contact them directly and let us know the results of your research. > Which content providers currently serve MPEG-2 in an HTML5-based > player? Every commercial video service provider I am familiar with. > Which ones intend to? What about with DRM? A better question would be whether and when they intend to use something other than MPEG-2? > To address what use > cases? Why with a codec that needs more bandwidth than either H.264 or > VP8 and that comes with a less favorable licensing regime? > There is something called legacy systems. > > Currently shipping EME prototypes have no necessary bearing on what is > > eventually required or shipped. > > To the extend video services target EME on Chrome OS, indications of > requirements can be inferred. Requirements yes. Specifics no. An existing requirement by commercial video providers is to use MPEG-2 if possible, and if not possible, then other codecs can be considered, including those you have mentioned.
Received on Wednesday, 3 April 2013 10:33:28 UTC