The film trailer is definately a theatrical trailer. The trailer is 2:27 minutes long, meaning that it was released only shortly before the movie was due to be screened. It also contains a lot of detail and incidents that occur in the duration of the movie, meaning that they wanted viewers to get a deeper glimpse of what the full length film os going to be like.
This must mean that it is a theatrical trailer, as it is making us want to know what happens and why. The trailer also shows lots of funny incidents that occur in the movie, leading us again to want to see it more for it's taste and humor.
The trailer above is clearly designed to show audiences what the film is about and they specifically show funny parts to draw in the comedy-loving audience. The trailer is aimed at people who are fans of the leading actors: Colin Farrell, Ralph Fiennes, and Brendan Gleeson.
I found this trailer to be very effective in terms of drawing me as an audience member in, because from watching this trailer, I found that straight away I wanted to see the film to see the outcome of the story and the stories characters.
Channel Four have successfully devised a trailer that leads audiences to want to watch the whole of the film, hopefully maximizing potential profit for the film and it's creators.
