[Matroska-devel] ContentEncodings element use in DirectShow

John Cannon spyder at matroska.org
Fri Jan 2 18:44:29 CET 2004

Steve Lhomme wrote:

> Paul Bryson wrote:
>> I bugged Jory about creating a decryption filter that can do this but 
>> it would
>> be nice to know if there are any existing DirectShow standards that 
>> would cover
>> what would be required for this.  Also, if anyone has any ideas on a 
>> good way to
>> get this done, that would be great.  This is one of the features that 
>> should be
>> working for the Matroska 1.0 specs release so any help to speed it 
>> along would
>> be great.
> IMo you should create an API independant of DirectShow. This way the 
> same decoding plugin could be used by other apps such as VLC, MPlayer 
> and others with the same API.
> This API is probably Matroska specific, as after decoding, we have to 
> keep "attached" to the decrypted content a lot of Matroska specific 
> stuff (timecode and other meta data).

I said the exact same thing the other day ;)  I just couldn't think of a 
real reason to convince Paul why it would be Matroska specific.


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