[vlc-devel] [Patches] Dash: mostly cosmetics

Christopher Mueller Christopher.Mueller at itec.uni-klu.ac.at
Fri Nov 25 19:08:38 CET 2011

> Since I'm writting about dash, do you have an opinion about 
> relocating
> the read/peek method into the Chunk themselves ?
> This seems more natural to read from a chunk than asking the Network
> manager to read from a connection identified by a chunk.
> This is something I was thinking about, but I have to read the code a
> bit more to be sure it's doable.

I know it looks a little bit strange but the code that is currently in 
vlc is only a subset. Unfortunately I do not have much time until I get 
back from my US internship at the end of December.

The HTTPConnectionManager is needed because soon or later we would need 
persistent connections and connection pooling it is also possible that 
one chunk corresponds to a range of servers through the baseurl which is 
currently not part of the plugin. These things are very important for 
the performance, i.e. the use of persistent connections brings a 
performance increase of approximately 30 – 35% which is tremendous.  
Another thing that is needed even more is a buffer of course we are 
using one but like the other stuff it must be prepared for vlc.

I will definitely have more time in January and then I would more 
actively participate on the improvement of this plugin and 
prepare/submit this stuff.

Btw. I have also submitted the class diagram to this list but it is 
over 65Kb so it will take some time, more information about the plugin 
and DASH as well as the class diagram could be found at [1]

[1] http://www-itec.uni-klu.ac.at/dash/


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