[Matroska-devel] requesting "AvgTimePerFrame" or "FieldRate" header field

Steve Lhomme slhomme at matroska.org
Sun Dec 16 10:27:35 CET 2012

On Sat, Dec 15, 2012 at 3:21 PM, madshi <madshi at gmail.com> wrote:
> Ok, let's make it simple. What I'm suggesting is to simply use the h264
> field rate (or "frame rate = field rate / 2") for the new MKV header field.
> What is important to note here, though, is that for a stream which is
> encoded with telecine flags (repeat_first_field = 1), there might only be 24
> encoded frames (field pairs) in the stream, but the h264 field rate will
> still say 30000/1001. And this is also what the new MKV header field should
> say in this case. Basically make the new MKV header field match exactly how
> the h264 field rate works.

Wasn't your original goal to display the content at the original frame
rate it was recorded ? If so I fail to understand how writing
30000/1001 for 24p content is good.

Steve Lhomme
Matroska association Chairman

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