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Votes
6
Found in
2018.4
2019.3.14f1
2020.2
Issue ID
1250852
Regression
No
[WebGL] VideoPlayer is stuttering on WebGL builds when using Firefox browser
Reproduction steps:
1. Open the attached project ("case_1250852-VideoStutter.zip")
2. Switch the build target to WebGL
3. Build and run the project with Firefox browser
4. watch the video
Expected result: Video is played back smoothly
Actual result: Video has slow-downs and stutters
Reproducible with: 2018.4.23f1, 2019.4.0f1, 2020.1.0b12, 2020.2.0a14
Reproducible with Firefox (77.0.1)
Not reproducible with Chrome (83.0.4103.97), Edge (83.0.478.44)
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forgegamingstudio
Dec 27, 2022 12:46
@PETES this solution worked for me, now it works fine in firefox. However, it stopped working in other browsers. Did the same happen to you?
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MaskedMouse
Feb 02, 2021 09:57
This is still an issue
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artfail
Jul 30, 2020 01:40
Dealing with this as well in Unity 2019.4.5
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PeteS
Jul 09, 2020 01:17
Have same issue in Firefox.
Fix that worked for me in firefox webgl build was to re encode the videos to webM format VP8.
I used a "Free WebM Encoder" to convert the mp4 files.
I renamed the webM extension back to mp4 and uploaded the files does not stutter anymore.
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Resolution Note (2020.2.X):
Debugged this to be a video playback bug in Firefox. Upstream bug report registered to https://bugzilla.mozilla.org/show_bug.cgi?id=1667644