[matroska-devel] Re: [UCI-Devel] Re: How UCI and Matroska could interact

Kondoros Attila cookieman_k at yahoo.com
Thu Jan 23 11:04:30 CET 2003

Thanks for all your help! It helps a lot to see what
are we trying to acomplish. If something is not clear,
expect more questions :)

Thanks again.

 Kondoros Attila

--- Pamel <Paul at msn.com> wrote:
> While talking with Gldm, something has become very
> clear in my mind.  For a
> truly universal multimedia API that can handle all
> types of situations,
> there is one thing that needs to be done.
> For flexible multimedia, there are three things that
> you need.  The
> application, this includes players and editors.  The
> codec.  And the
> container.  So, respectively there are three API's.
> The application API, the
> codec API, and the container API.  These are the
> three corners to the API.
> For a flexible universal API, all three API's need
> to have 2 way
> communication.  This means that they can all accept
> information, and all
> request information.  Preferably, they should all
> have access to the same
> set of instructions, though they most certainly
> wouldn't use all of them.
> Some examples:  The codec wants to request a
> specific frame during playback
> for its own buffering scheme.  The container wants
> to request the "codec
> config data" from the encoding app.  The codec wants
> to obtain some frames
> forwards/backwards during encoding for its encoding
> scheme.  A menu codec
> changes the tracks and moves to timecodes on the
> fly.  The encoder requests
> 'private codec data' from the container, or writes
> its own to the container.
> This is by no means a complete or likely list, but
> there are many scenarios
> that I cannot think of at the moment.
> Pamel
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