Deaf family drama CODA won best picture honours at the Oscars Sunday, the first-ever triumph for a streamer, in a ceremony that was overshadowed by best actor-winner Will Smith striking comedian Chris Rock on stage for making a joke about his wife.

Tinseltown's biggest night began with a performance by pop megastar Beyoncé and touched on politics with a moment of silence over the Ukraine crisis.

But before the final awards were handed out, the shocking Smith-Rock altercation went viral and changed the mood of the night.

CODA, a feel-good indie drama starring deaf actors in lead roles, had been presumed a longshot for Hollywood's biggest prize until very recently but pulled off a remarkable late surge to emerge triumphant.

The film bagged the historic prize for Apple TV+, a relative newcomer in a streaming market dominated by rivals like Netflix.

"Thank you to the Academy for letting our CODA make history tonight," said producer Philippe Rousselet.

Taking its title from the acronym for a child of deaf adult, the movie also won for Best Adapted Screenplay, and Best Supporting Actor for Troy Kotsur, who plays the father of a teenage girl who can hear and wants to pursue a career in music.

Kotsur dedicated his golden statuette to the deaf and disabled communities.

Here are all the winners from the 94th Academy Awards:

Best Picture
CODA - Winner
Don't Look Up
Drive My Car
King Richard
Licorice Pizza
Nightmare Alley
The Power of the Dog
West Side Story

Best Director
Paul Thomas Anderson, Licorice Pizza
Kenneth Branagh, Belfast
Jane Campion, The Power of the Dog - Winner
Steven Spielberg, West Side Story
Ryûsuke Hamaguchi, Drive My Car

Jane Campion was presented with the Best Director Oscar by Kevin Costner

Actress in a Leading Role
Jessica Chastain, The Eyes of Tammy Faye - Jessica Chastain
Olivia Colman, The Lost Daughter
Penélope Cruz, Parallel Mothers
Nicole Kidman, Being the Ricardos
Kristen Stewart, Spencer

Actor in a Leading Role
Javier Bardem, Being the Ricardos
Benedict Cumberbatch, The Power of the Dog
Andrew Garfield, Tick, Tick … Boom!
Will Smith, King Richard - Winner
Denzel Washington, The Tragedy of Macbeth

Actress in a Supporting Role
Jessie Buckley, The Lost Daughter
Ariana DeBose, West Side Story - Winner
Judi Dench, Belfast
Kirsten Dunst, The Power of the Dog
Aunjanue Ellis, King Richard

Jessica Chastain, winner of the Oscar for Actress in a Leading Role for The Eyes of Tammy Faye

Actor in a Supporting Role
Ciarán Hinds, Belfast
Troy Kotsur, CODA - Winner
Jesse Plemons, The Power of the Dog
J.K. Simmons, Being the Ricardos
Kodi Smit-McPhee, The Power of the Dog

Best Costume Design
Cruella - Winner
Nightmare Alley
West Side Story

Best Original Score
Don't Look Up, Nicholas Britell
Dune, Hans Zimmer - Winner
Encanto, Germaine Franco
Parallel Mothers, Alberto Iglesias
The Power of the Dog, Jonny Greenwood

Will Smith accepts the award for Best Actor in a Leading Role for King Richard

Best Adapted Screenplay
CODA, Siân Heder - Winner
Drive My Car, Ryûsuke Hamaguchi, Takamasa Oe
Dune, Jon Spaihts, Denis Villeneuve, Eric Roth
The Lost Daughter, Maggie Gyllenhaal
The Power of the Dog, Jane Campion

Best Original Screenplay
Belfast, Kenneth Branagh - Winner
Don't Look Up, Adam McKay, David Sirota
King Richard, Zach Baylin
Licorice Pizza, Paul Thomas Anderson
The Worst Person in the World, Eskil Vogt, Joachim Troer

Best Animated Feature Film
Encanto - Winner
The Mitchells vs. The Machines
Raya and the Last Dragon

Ariana DeBose poses with her Best Supporting Actress award

Best Animated Short Film
Affairs of the Art
Robin Robin
The Windshield Wiper - Winner

Best Live Action Short Film
Ala Kachuu – Take and Run
The Dress
The Long Goodbye - Winner
On My Mind
Please Hold

Best Documentary Feature
Summer of Soul - Winner
Writing With Fire

Best Documentary Short Subject
Lead Me Home
The Queen of Basketball - Winner
Three Songs for Benazir
When We Were Bullies

Billie Eilish and Finneas, winners of the Music (Original Song) award for No Time to Die

Best International Feature Film
Drive My Car, Japan - Winner
Flee, Denmark
The Hand of God, Italy
Lunana: A Yak in the Classroom, Bhutan
The Worst Person in the World, Norway

Best Sound
Dune - Winner
No Time to Die
The Power of the Dog
West Side Story

Best Production Design
Dune, Zsuzsanna Sipos, Patrice Vermette - Winner
Nightmare Alley, Tamara Deverell, Shane Vieau
The Power of the Dog, Grant Major, Amber Richards
The Tragedy of Macbeth, Stefan Dechant, Nancy Haigh
West Side Story, Rena DeAngelo, Adam Stockhausen

Best Film Editing
Don't Look Up, Hank Corwin
Dune, Joe Walker - Winner
King Richard, Pamela Martin
The Power of the Dog, Peter Sciberras
Tick, Tick… Boom!, Myron Kerstein, Andrew Weisblum

Best Cinematography
Dune, Greig Fraser - Winner
Nightmare Alley, Dan Lausten
The Power of the Dog, Ari Wegner
The Tragedy of Macbeth, Bruno Delbonnel
West Side Story, Janusz Kaminski

Best Visual Effects
Dune - Winner
Free Guy
Shang-Chi and the Legend of the Ten Rings
No Time to Die
Spider-Man: No Way Home

Best Makeup and Hairstyling
The Eyes of Tammy Faye - Winner
House of Gucci
Coming 2 America

Best Original Song
Be Alive, Beyoncé Knowles-Carter, Darius Scott (King Richard)
Dos Oruguitas, Lin-Manuel Miranda (Encanto)
Down to Joy, Van Morrison (Belfast)
No Time to Die, Billie Eilish, Finneas O'Connell (No Time to Die) - Winner
Somehow You Do, Diane Warren (Four Good Days)

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Additional reporting: AFP