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User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_2) AppleWebKit/602.3.12 (KHTML, like Gecko) Version/10.0.2 Safari/602.3.12 Steps to reproduce: Try to play a video with subtitles from a VTT file that has CR line endings. See the Spanish subtitles on this video: https://vimeo.com/198237283/5f5f685091 Actual results: The subtitles don't show. You can see in the network inspector that the file was properly loaded and if you inspect the <track> you will see that the track.cues CueList is empty. Expected results: The subtitles should show.
Summary: VTT files with CR line endings do not load → VTT files with CR line endings do not parse
Component: Untriaged → Audio/Video: Playback
Product: Firefox → Core
platform-rel: --- → ?
status-firefox50: --- → affected
status-firefox51: --- → ?
status-firefox52: --- → ?
status-firefox53: --- → ?
Hi Ralph -- Can you take a look at this? Can you reproduce? If so, can you take this? Thanks!
Status: UNCONFIRMED → NEW
Ever confirmed: true
Blake: Is there someone on your team that can look into this?
I was able to look at this a bit too. The spec has been updated to allow all three line ending variations, so we need to modify vtt.jsm. I have a potential started working on tests, but haven't verified. If someone else wants to take over, feel free. Otherwise I'll continue tomorrow.
(In reply to Chris Pearce (:cpearce) from comment #2) > Blake: Is there someone on your team that can look into this? Yeah. I have cc-ed Benjamin in this bug. But since Ralph has some ideas already, it would be better to have him finish it continuously. Ralph, Thanks!
Comment on attachment 8826776 [details] Bug 1328966 - Accept \r as a valid line ending. https://reviewboard.mozilla.org/r/104654/#review105560
Attachment #8826776 - Flags: review?(alwu) → review+
Pushed by firstname.lastname@example.org: https://hg.mozilla.org/integration/autoland/rev/b7f25749589e Accept \r as a valid line ending. r=alwu
Status: NEW → RESOLVED
Last Resolved: a year ago
status-firefox53: ? → fixed
Resolution: --- → FIXED
Target Milestone: --- → mozilla53
Ralph, can we uplift this VTT fix to Aurora 52 since it fixes a web compat issue? It's probably too late to uplift to Beta 51, which will be released next week.
platform-rel: ? → -
status-firefox51: ? → wontfix
I guess 52 is affected too.
status-firefox52: ? → affected
Comment on attachment 8826776 [details] Bug 1328966 - Accept \r as a valid line ending. I think uplift is a good idea. Approval Request Comment [Feature/Bug causing the regression]: WebVTT subtitles [User impact if declined]: webcompat issue: Some video subtitles will not display. [Is this code covered by automated tests?]: yes [Has the fix been verified in Nightly?]: yes [Needs manual test from QE? If yes, steps to reproduce]: Would be good to confirm. Visit https://vimeo.com/198237283/5f5f685091, press play, and select Spanish (Español) subtitles from the 'CC' player control. Confirm subtitles appear starting 5 seconds into the video. [List of other uplifts needed for the feature/fix]: None. [Is the change risky?]: No. [Why is the change risky/not risky?]: It is a single-line change which should not affect parsing of files we handled without the change. If it causes problems, it is easy to revert. [String changes made/needed]: None
Attachment #8826776 - Flags: approval-mozilla-aurora?
Comment on attachment 8826776 [details] Bug 1328966 - Accept \r as a valid line ending. OK, let's take it then, thanks!
Attachment #8826776 - Flags: approval-mozilla-aurora? → approval-mozilla-aurora+
status-firefox52: affected → fixed
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