HTC found that a lot of people were using the film viewer to film a GV fight for a few mins, jump out of the game and watch the film to see who was where, jump back into the game a pick some one off who had what they thought was a great hiding place. So he re-worked it so you can NOT run both the game and the film viewer at the same time.
As for views in a GV, I never messed around with GVs and filming, so I can't help ya there.