[FFmpeg-devel] [PATCH 2/2] Adding AlphaMode element to Matroska Parser

Vignesh Venkatasubramanian vigneshv at google.com
Thu Feb 14 18:58:02 CET 2013


On Tue, Feb 5, 2013 at 10:40 AM, Vignesh Venkatasubramanian
<vigneshv at google.com> wrote:
> On Mon, Feb 4, 2013 at 10:15 PM, Hendrik Leppkes <h.leppkes at gmail.com> wrote:
>> On Tue, Feb 5, 2013 at 12:17 AM, Vignesh Venkatasubramanian
>> <vigneshv at google.com> wrote:
>>> Adding support for parsing AlphaMode element in the Track header
>>> and export that information as a metadata tag. This flag indicates
>>> presence of alpha channel data in BlockAdditional element.
>>>
>>
>> I see no mention of this in the Matroska spec, or any discussion
>> related on the matroska mailing list?
>> Before inventing new ids, it should be standardized in the Matroska
>> spec, imho, or you'll end up with files that only work properly in
>> ffmpeg, for example.
>
> I submitted this patch a little early. AlphaMode flag has been added to
> matroska spec now.
> Here is the link: http://matroska.org/technical/specs/index.html#AlphaMode

Could someone please look into this patch. Thanks!

>
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>
>
> --
> Vignesh V | Software Engineer | vigneshv at google.com | 650-861-1330



--
Vignesh V | Software Engineer | vigneshv at google.com | 650-861-1330


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