Re: [Gmerlin-general] Gmerlin architecture changes

[august <au...@al...>]

Burkhard,

This looks great....you've been very very fleisig!  

Will this also change the old API in some way?

-august.



> Hi,
> 
> It was a long time ago that I wrote something about the latest gmerlin
> developments. The reason for that is, that most of the time I was too busy
> coding and too lazy for documenting stuff. For the latter you need a
> stable
> architecture and the architecture changes a bit during the development. I
> usually think a lot before starting coding. But at some point I need to
> flush my brain and fine tune things later when I have some working
> applications.
> 
> The gmerlin architecture was reworked dramatically with the following goals:
> 
> 1. Implement generic source and sink connectors for transporting A/V frames
>    and (compressed) packets inside one application. These do automatic
>    format conversion and optimized buffer handling.
> 
> 2. Change the handling of A/V streams throughout all libraries to use the
>    new connectors. This includes gmerlin-avdecoder as well as the gmerlin
>    plugin API.
> 
> 3. Implement standalone codec plugins for on-the-fly (de-)compression of
>    A/V streams.
> 
> 4. Define (yet another) Multimedia container format. It can be used as an
>    on-disk format but also (and more importantly) as a generic pipe format
>    for connecting commandline applications. Think of it as a more generic
>    version of the yuv4mpeg format. It is called gavf.
> 
> 5. Define an interprocess transport mechanism for gavf streams through
>    pipes or sockets. On machine local connections it can pass A/V frames
>    through shared memory for increased efficiency.
> 
> 6. Write a bunch of commandline tools for generating and processing gavf
>    streams, which can be connected in every imaginable way on the Unix
>    commandline. This was the ultimate goal I had in my mind :)
> 
> Not everything is finished yet. I'll document each of these subprojects in
> separate posts.
> 
> Burkhard
>