W3C home > Mailing lists > Public > public-html-media@w3.org > June 2012

Re: [MSE] Timestamp offset mechanism

From: Steven Robertson <strobe@google.com>
Date: Tue, 19 Jun 2012 11:07:44 -0700
Message-ID: <CAJtuSCuNRA9ZbQfRJEPbfBOw91PO7kYs0rDW4_65SEA21HiOjw@mail.gmail.com>
To: Kevin Streeter <kstreete@adobe.com>
Cc: Duncan Rowden <Duncan.Rowden@bbc.co.uk>, Mark Watson <watsonm@netflix.com>, Aaron Colwell <acolwell@google.com>, "public-html-media@w3.org" <public-html-media@w3.org>
On Tue, Jun 19, 2012 at 10:15 AM, Kevin Streeter <kstreete@adobe.com> wrote:
> Duncan,
>
>  I think the issue with this is that under the current media element model each element has an independent clock and buffer.  This means that you will get non-deterministic behavior when doing any kind of pause or switch behavior.  The only way to get truly seamless, deterministic splices is with a single clock and buffer.  Today that means a single media source.
>
>  Can anybody implementing the media playback UA confirm this argument?

This is absolutely true for the hardware platforms we're working on at YouTube.

Steve
Received on Tuesday, 19 June 2012 18:08:54 UTC

This archive was generated by hypermail 2.3.1 : Tuesday, 6 January 2015 20:32:56 UTC