I thought the film was rather good. I saw the live show in London in 2010 and 2013 (ish) so was keen to see this. The film was a little self-indulgent, but then it was always going to be, being Roger Waters. But it stuck very closely to the stage show and the inserted "road trip" segments did give more insight into his character and work. Thanks to El Reg for mentioning it otherwise I'd have missed the 'one night only'.