[Webkit-unassigned] [Bug 191257] [GStreamer][MSE] pixelated video when MSE is enabled

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Nov 6 05:15:23 PST 2018


Alicia Boya García <aboya at igalia.com> changed:

           What    |Removed                     |Added
                 CC|                            |aboya at igalia.com

--- Comment #2 from Alicia Boya García <aboya at igalia.com> ---
The matrix would be something like this, right?

             | Regular playback |    MSE     |
| h264 (MP4) |        OK        |     OK     |
| VP9 (WebM) |        OK        | Pixelation |

Can you check whether Opus audio (audio/webm) playback works correctly? You can check if you are using it by looking for "stats for nerds" in the YT context menu.

Does the pixelation occur since the first frame is played or does it happen later (e.g. in response to a seek). Does it clear at times (e.g. refresh frames) or is it constant?

What CPU architecture are you using?

Do you have gstreamer1-vaapi installed? If so, is there any change after uninstalling it?

Also, try to play a VP9 webm video file with this command and see if you can reproduce the issue:

$ gst-play-1.0 pushfile:///home/user/yourvideo.webm

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