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Re: [media-and-entertainment] Frame accurate seeking of HTML5 MediaElement

From: GAUSMAN, PAUL <pg2483@att.com>
Date: Fri, 15 Jun 2018 13:18:07 +0000
To: Nigel Megitt via GitHub <sysbot+gh@w3.org>
CC: "public-web-and-tv@w3.org" <public-web-and-tv@w3.org>
Message-ID: <191C5F2E-9700-406F-8421-532811852A65@att.com>
There could be several counters:
- UX time
- UX frames
- content frames (overall)
- content frames (per segment/scene)
- scene counter with ID
- interstitial frames/time
- optional differential timing comparing multiple steams for synchronization

Thanks!
-Paul Gausman
AT&T

On Jun 15, 2018, at 5:16 AM, Nigel Megitt via GitHub <sysbot+gh@w3.org> wrote:

>> The underlying structure has Movie time and Media time - the former is usually an arbitrary fraction, the latter a ratio specifically designed to represent the timescale of the actual samples, so for US-originated video this will be 1001/30000.
> 
> @kevinmarks-b "media time" is also used elsewhere as a generic term for "the timeline related to the media", independently of the syntax used, i.e. it can be expressed as an arbitrary fraction or a number of frames etc, for example in TTML.
> 
> 
> 
> -- 
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Received on Friday, 15 June 2018 13:18:39 UTC

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