When using an aspect ratio other than 16:9, background videos will be stretched to fit, making them look weird. In the original Portal 2, they are instead cropped, which looks much more natural.
P2CE:
Portal 2:
On a related note, background videos look weirdly dark in P2CE, which can be easily seen in the above screenshots. It seems to be a rendering bug because the raw webms look fine.
When using an aspect ratio other than 16:9, background videos will be stretched to fit, making them look weird. In the original Portal 2, they are instead cropped, which looks much more natural.
P2CE:
Portal 2:
On a related note, background videos look weirdly dark in P2CE, which can be easily seen in the above screenshots. It seems to be a rendering bug because the raw webms look fine.