I know we conducted tests for TMH “playing” well with oggHandler provider ( i.e the test2.wikipedia.org pages are embedding commons videos but played back with TMH ) ... I am not sure if we have conducted tests for oggHandler playing well with a TMH provider with the possible configuration phases mentioned above.
good point. labs is setup like that now: en running OggHandler and commons TMH
http://en.wikipedia.beta.wmflabs.org/wiki/File:Citygroup_Center,_San_Francis... http://commons.wikimedia.beta.wmflabs.org/wiki/File:Citygroup_Center,_San_Fr...
so that part looks good to go. (should also test smaller embeds to be sure)