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VP9 in MP4 files produced by Bento4 don't play in Firefox

NEW
Unassigned

Status

()

Core
Audio/Video: Playback
P3
normal
7 months ago
7 months ago

People

(Reporter: cpearce, Unassigned)

Tracking

Firefox Tracking Flags

(Not tracked)

Details

Attachments

(1 attachment)

(Reporter)

Description

7 months ago
Created attachment 8837324 [details]
short-vp9-fragmented.mp4

Some VP9 in fragmented MP4 files muxed by Bento4 don't play. Specifically Jay tells me they don't work if we have an audio track in the file along side the video.

Chrome plays these fine.

See attached testcase.
It's ok in 51.0.1 on my mac and debug build.
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