Videos on new tabs take exactly 2 seconds to play back audio.
Categories
(Firefox :: Untriaged, defect)
Tracking
()
People
(Reporter: bruno.serra.guedes, Unassigned)
Details
User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:74.0) Gecko/20100101 Firefox/74.0
Steps to reproduce:
When I open a new video tab on Youtube (overwhelmingly I middle-click from gmail subscription notifications) and press the spacebar / click the videoframe / press the 'play' icon, the video will be muted for the exact first 2 seconds. This behaviour has also been found on Facebook newsfeed videos, and on ONE page/article of the Washington Post BOTH videos within had this issue (embedded youtube videos, if this matters).
This does not occur all the time -- I have yet to understand the pattern -- but it seems that if I've played a video recently, audio on a new tab starts just fine. But out of the top of my head, it is not evenly so.
I get around this nuisance by waiting 2-3 seconds and then pressing 'zero' on the its number key, which resets playback to 0% of playtime, or just press 'leftarrow' to go back 5 seconds. Furthermore, resuming a paused video -- no matter how long it has been paused -- does not appear to have this problem.
This is a new Win10x64 install (about a month old), and the problem was present when I first installed Firefox (either v73.0 or v73.0.1); the issue carried over when it auto-updated to v74.0.0. Autoplay is set to "block audio and video". I do not find this problem in any other programmes (VLC, foobar, etc).
This is also not an issue with my speakers: after they've been inactive for a while, they'll go into some sort of standby, and when sound is played again, they "pop" back to life; I've turned them on just before playback, or used another application with sound just before, and the video still skipped the 2 seconds.
Expected results:
Audio should just play from 0m0s.
(In reply to bruno from comment #0)
This is also not an issue with my speakers: after they've been inactive for a while, they'll go into some sort of standby, and when sound is played again, they "pop" back to life; I've turned them on just before playback, or used another application with sound just before, and the video still skipped the 2 seconds.
By the way, when the speakers resurrect themselves, they take under 1 second to start emitting sound. This sub-second delay compounds the 2s video mute (for a 2.5s or so, in total).
Comment 2•5 years ago
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I could not reproduce this issue, tried on a Windows 10 x64bit machine using Firefox 74 and the latest Nightly 76.0a1.
Bruno, to eliminate custom settings as a possible cause, can you please try to reproduce this using Firefox with a clean profile (https://goo.gl/AWo6h8), maybe even safe mode (https://goo.gl/AR5o9d)?
Thanks!
Updated•5 years ago
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(In reply to Simona Badau from comment #2)
I could not reproduce this issue, tried on a Windows 10 x64bit machine using Firefox 74 and the latest Nightly 76.0a1.
Bruno, to eliminate custom settings as a possible cause, can you please try to reproduce this using Firefox with a clean profile (https://goo.gl/AWo6h8), maybe even safe mode (https://goo.gl/AR5o9d)?
Thanks!
Actually, it's not a Firefox problem, as further experimentation is showing. I've started noticing that all other apps (VLC, foobar, games) also suffer from this, but as most files activate their programme's audio output before any actual sound plays, I had not noticed it before; as I said, this is a new install on a new machine.
Please "disable" this bug report.
Thank you, and sorry for the mistake.
Comment 4•5 years ago
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Based on Comment 3, setting the status of this bug to RESOLVED WORKSFORME.
Description
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