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Support for SMPTE timcode?
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videogen  
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 More options Jun 2 2010, 9:54 am
From: videogen <brdu...@gmail.com>
Date: Wed, 2 Jun 2010 06:54:59 -0700 (PDT)
Local: Wed, Jun 2 2010 9:54 am
Subject: Support for SMPTE timcode?
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Does WebM support SMTPE timecode?

 
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John Koleszar  
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 More options Jun 2 2010, 10:17 am
From: John Koleszar <jkoles...@google.com>
Date: Wed, 2 Jun 2010 10:17:52 -0400
Local: Wed, Jun 2 2010 10:17 am
Subject: Re: Support for SMPTE timcode?
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On Wed, Jun 2, 2010 at 9:54 AM, videogen <brdu...@gmail.com> wrote:
> Does WebM support SMTPE timecode?

There is no timing information in the underlying VP8 bitstream, that
is provided by the WebM (matroska) container. As far as I know, all
the data contained in an SMTPE time code is present in the container,
though not in the same format. Maybe you can elaborate on your
application and we can give you more info.

 
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Matthew Heaney  
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 More options Jun 2 2010, 10:50 am
From: Matthew Heaney <matthewjhea...@google.com>
Date: Wed, 2 Jun 2010 10:50:15 -0400
Local: Wed, Jun 2 2010 10:50 am
Subject: Re: Support for SMPTE timcode?
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On Wed, Jun 2, 2010 at 9:54 AM, videogen <brdu...@gmail.com> wrote:
> Does WebM support SMTPE timecode?

WebM files use time expressed in nanoseconds, with a actual resolution
determined by the value of the TimecodeScale.  Typically the scale is
1000000 (1M), meaning that the resolution is 1ms.

-Matt


 
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