Closed
Bug 1292894
Opened 8 years ago
Closed 7 years ago
"Media.autoplay.enabled=false" does not work on clips.twitch.tv
Categories
(Core :: Audio/Video: Playback, defect, P3)
Tracking
()
RESOLVED
WORKSFORME
Tracking | Status | |
---|---|---|
platform-rel | --- | - |
People
(Reporter: kitynska, Unassigned)
Details
(Whiteboard: [platform-rel-Twitch])
User Agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:48.0) Gecko/20100101 Firefox/48.0 Build ID: 20160726073904 Steps to reproduce: Set media.autoplay.enabled to false and open this example: https://clips.twitch.tv/eleaguetv/EasyTurtleDOOMGuy Actual results: The video starts playing. Expected results: The video should be paused.
Comment 1•8 years ago
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the page starts playing the video by JavaScript, not autoplay attribute. media.autoplay.enabled pref doesn't have any effect for the case.
Status: UNCONFIRMED → RESOLVED
Closed: 8 years ago
QA Whiteboard: [bugday-20160808]
Resolution: --- → INVALID
Comment 2•8 years ago
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(In reply to Tooru Fujisawa [:arai] from comment #1) > the page starts playing the video by JavaScript, not autoplay attribute. > media.autoplay.enabled pref doesn't have any effect for the case. Based on https://bugzilla.mozilla.org/show_bug.cgi?id=659285#c113 it should and the observations from the testcase of https://bugzilla.mozilla.org/show_bug.cgi?id=1313233 confirm that Firefox is capable of blocking javascript-driven play() invocations if media.autoplay.enabled is set to false.
Comment 3•8 years ago
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thanks for pointing that out. reopening
Status: RESOLVED → REOPENED
Ever confirmed: true
Resolution: INVALID → ---
Updated•8 years ago
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Status: REOPENED → UNCONFIRMED
Component: Untriaged → Audio/Video
Ever confirmed: false
Product: Firefox → Core
Updated•8 years ago
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Component: Audio/Video → Audio/Video: Playback
Updated•8 years ago
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Priority: -- → P3
cbsnews.com also has a thumbnail player that bypasses media.autoplay.enabled=false.
Here's another site that that plays videos automatically even if Media.autoplay.enabled is set to false, I guess it's the JavaScript method with this too: http://www.iltalehti.fi/uutiset/201612292200046758_uu.shtml
Addon to my last message (it seems that posted messages can't be edited): There seems to be different scenarios for the movie to play automatically on http://www.iltalehti.fi/uutiset/201612292200046758_uu.shtml : 1) If one opens the link straight to the same tab = the video doesn't start automatically. 1b) If one switches to other tab and back after the page has loaded = the video STARTS automatically. 2) If one opens the link in background tab, but switches to it before the page loads completely = the video doesn't start automatically. 2b) If one switches to other tab and back after the page has loaded = the video STARTS automatically. 3) If one opens the link in background tab, and switches to it AFTER the page has loaded completely = the video STARTS automatically. So it seems that Media.autoplay.enabled set to false, only works with JavaScript play() invocations when the page loads completely in an ACTIVE tab.
Updated•7 years ago
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platform-rel: --- → ?
Whiteboard: [platform-rel-Twitch]
Comment 8•7 years ago
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Close this bug because both video [1] won't be autoplay if the pref is off, tested on Nightly 58.0a1 (2017-10-30) on OSX. [1] http://www.iltalehti.fi/uutiset/201612292200046758_uu.shtml https://clips.twitch.tv/eleaguetv/EasyTurtleDOOMGuy
Status: UNCONFIRMED → RESOLVED
Closed: 8 years ago → 7 years ago
Resolution: --- → WORKSFORME
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Description
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