4.18 - certain videos no longer playing

Development Cinematics & Media
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1

My project uses some videos in the UI. One group of videos has the following dimensions: 834x720. The rest have the dimensions 1280x720.

In 4.16 and 4.17 they have been working fine. But in 4.18 the first group, with dimensions 834x720, no longer plays (just black output). This has nothing to do with textures or materials - they are black if I try to play them in the MediaPlayer object.

I have tested this in a blank project - linked in a video with each set of dimensions via a FileMediaSource object in the content browser; created a MediaPlayer (no texture or material); and tried to play the video in the MediaPlayer. Sure enough, the 1280x720 works fine, but the 834x720 video just outputs black for its entire duration. Prior to 4.18, this isn’t the case.

Thanks,

2

Hey , do you mind sharing one of the affected videos with me, so I can try to repro it? You can email me a download link if you don’t want to post it here, thanks!

3

Thanks Max, I’ve sent you an email.

4

Thanks, I was able to repro. I’ll get back to you when I figure out what’s going on.

5

Hello ,

Thank you for submitting a bug report. I have reproduced this issue and logged a report for it here

You can track the report’s status as the issue is reviewed by our development staff. Please be aware that this issue may not be prioritized or fixed soon.

Thanks

6

This is fixed in CL# 3727339. It will be in 4.18.1.

7

Fantastic, thanks ue4 team!