Haneke thanked his own wife for supporting him in his work for 30 years.

‘‘You are the center of my life,’’ Haneke said.

The Scottish adventure ‘‘Brave,’’ from Disney’s Pixar Animation unit, was named best animated feature. Pixar films have won seven of the 12 Oscars since the category was added.

‘‘I just happen to be wearing the kilt,’’ said ‘‘Brave’’ co-director Mark Andrews, who took the stage in his trademark Scottish garment.

The upbeat musical portrait ‘‘Searching for Sugar Man’’ took the documentary feature prize. The film follows the quest of two South African fans to discover the fate of acclaimed but obscure singer-songwriter Sixto Rodriguez, who dropped out of sight after two albums in the 1970s and was rumored to have died a bitter death.

‘‘Thanks to one of the greatest singers ever, Rodriguez,’’ said ‘‘Sugar Man’’ director Malik Bendjelloul.

There was a rare tie in one category, with the Osama bin Laden thriller ‘‘Zero Dark Thirty’’ and the James Bond tale ‘‘Skyfall’’ each winning for sound editing.

William Shatner made a guest appearance as his ‘‘Star Trek’’ character Capt. James Kirk, appearing on a giant screen above the stage during MacFarlane’s monologue, saying he came back in time to stop the host from ruining the Oscars.

‘‘Your jokes are tasteless and inappropriate, and everyone ends up hating you,’’ said Shatner, who revealed a headline supposedly from the next day’s newspaper that read, ‘‘Seth MacFarlane worst Oscar host ever.’’

The performance-heavy Oscars also included an opening number featuring Charlize Theron and Channing Tatum, who did a classy dance while MacFarlane crooned ‘‘The Way You Look Tonight.’’ Daniel Radcliffe and Joseph Gordon-Levitt then joined MacFarlane for an elegant musical rendition of ‘‘High Hopes.’’

Halle Berry introduced a tribute to the Bond franchise, in which she has co-starred, as the British super-spy celebrated his 50th anniversary on the big-screen last year with the latest adventure ‘‘Skyfall.’’ Shirley Bassey sang her theme song to the 1960s Bond tale ‘‘Goldfinger.’’ Later, pop star Adele performed her theme tune from ‘‘Skyfall,’’ which won the best-song Oscar.

Barbra Streisand injected some musical sentiment into the show’s segment memorializing Hollywood figures who died in the past year as she sang ‘‘The Way We Were,’’ the Oscar-winning song she did in the film of the same name.

A salute to the resurgence of movie musicals in the last decade included Oscar winners Zeta-Jones singing ‘‘All That Jazz’’ from ‘‘Chicago’’ and Hudson doing ‘‘And I Am Telling You I'm Not Going’’ from ‘‘Dreamgirls.’’ Hathaway and Jackman joined cast mates of best-picture contender ‘‘Les Miserables’’ to sing songs from their musical.

Academy officials said all performances were sung live.

Fans had pondered how far MacFarlane the impudent creator of ‘‘Family Guy,’’ might push the normally prim and proper Oscars. MacFarlane was generally polite and respectful, showcasing his charm, wit and vocal gifts.

MacFarlane did press his luck a bit on an Abraham Lincoln joke, noting that Raymond Massey preceded ‘‘Lincoln’’ star Daniel Day-Lewis as an Oscar nominee for 1940’s ‘‘Abe Lincoln in Illinois.’’

‘‘I would argue that the actor who really got inside Lincoln’s head was John Wilkes Booth,’’ MacFarlane wisecracked, earning some groans from the crowd. ‘‘A hundred and 50 years later, and it’s still too soon?’’

Affleck’s ‘‘Argo’’ looks like it will be an uncommon film to claim best picture without a directing nomination. Affleck was not counting on anything, though.

‘‘We don’t expect to depart with anything but our integrity,’’ Affleck said before the show.

‘‘Argo’’ has won winning practically every top prize at earlier honors. Hollywood was shocked that Affleck was snubbed for a directing nomination, possibly earning the film some sympathy votes, particularly from actors, who love it when one of their own succeeds behind the camera.

The story of how Hollywood, Canada and the CIA teamed up to rescue six Americans during the Iranian hostage crisis, ‘‘Argo’’ would become just the fourth film in 85 years to claim the top prize without a best-directing nomination and the first since 1989’s ‘‘Driving Miss Daisy.’’

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