Sure. It seems that this feature fits well in a playback plugin. You can see some examples at our github repository. Regarding the concatenation of buffers you'

Sure. It seems that this feature fits well in a playback plugin. You can see some examples at our github repository. Regarding the concatenation of buffers you'll need to use Media Source Extensions API (http://html5-demos.appspot.com/static/media-source.html http://html5-demos.appspot.com/static/media-source.html) but you should take care of the support of it on current browsers.