Re: [Cellar] Matroska Elements to support frame side data

Michael Bradshaw <mjbshaw@google.com> Tue, 20 November 2018 19:10 UTC

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From: Michael Bradshaw <mjbshaw@google.com>
Date: Tue, 20 Nov 2018 11:10:30 -0800
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To: slhomme@matroska.org
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Subject: Re: [Cellar] Matroska Elements to support frame side data
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On Mon, Nov 12, 2018 at 7:38 AM Steve Lhomme <slhomme@matroska.org>; wrote:

> They don't even support MaxBlockAdditionID, so technically the value is
> 0 for them. I just hope they don't use BlockAddId 0, it is a forbidden
> value. If not it's probably a value of 1 but not 2.
>

Good catch that MaxBlockAdditionID is unsupported in WebM. I'll try to
rectify that.

To clarify, alpha in WebM uses BlockAddID==1. It would be nice to
standardize that within CELLAR. If I can help in any way, please let me
know.