Comment 1 for bug 1784242

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Mossroy (mossroy) wrote :

After some more tests, the green screen does not affect all the H264 videos, but only some of them.
It does not seem to depend on the container (Matroska or Quicktime), on the FPS, on the H264 profile or on the encoding software.

It seems to me that it depends on the resolution (not 100% sure anyway) :
All the 1920x1080 videos I tested gave a green screen. And also the following resolutions : 720x302, 720x384, 712x574.
All the 1280x720 videos I tested were working fine. And also the following resolutions : 640x480, 320x240, 720x576.

Removing the gstreamer1.0-vaapi package is a working workaround.