It’s simple, just copy the Embed of Youtube and change word (domain) youtube by avenidanet. More information in Spanish.
For example:
Changing this code:
[cc lang="html" tab_size="2" lines="40"]

[/cc]
by that other:
[cc lang="html" tab_size="2" lines="40"]

[/cc]
Result of this example:

Disadvantages for the moment (for his quick release):
* Audio single high and low.
* It loses a little video quality.
* Unable to navigate the video.