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Green screen for UMG movie at Android 4.4


I have green screen instead of movie in UMG (based on Android Media Player plugin) at Android 4.4.2 (KM EAGLE 1064.1G tablet). Also at intro I can hear sound but there is green screen instead of video too. App compiled at UE 4.11 p7 (Win x64).

To display video I use: mp4 720p file encoded in H264 - MPEG-4 AVC (part 10) (avc1) codec, Media Player BP, Media Texture BP, Material BP (domain UI).

It's look's like codec problem.

Do you have any ideas how to resolve it ?

Have a good day :)

ps. I do not have this problem at Samsung Tab S tablet (Android 5) - there is displayed video correctly.

Product Version: UE 4.11 Preview
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asked Mar 15 '16 at 11:21 AM in Bug Reports

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R&D Lab
6 1 3 5

avatar image R&D Lab Mar 15 '16 at 11:27 AM

HUD side is: Widget BP, Image widget component with Material BP (domain UI) applied on it then Create HUD Widget, Add it to Viewport, Rewind at Media Player than Play it.

avatar image Rudy Q ♦♦ STAFF Mar 15 '16 at 01:44 PM

Hello R&D Lab,

I have a few questions for you that will help you narrow down what issue it is that you are experiencing.

Quick questions:

  1. Can you reproduce this issue in clean project?

  2. If so, could you provide a detailed list of steps to reproduce this issue on our end?

  3. Could you provide screen shots of any blueprints that may be involved with this issue?

avatar image R&D Lab Mar 15 '16 at 03:24 PM


Ad. 1: I reproduce it at clean project and the problem still exists,

Ad. 2: I setup HUD widget and play this movie in Level BP for Event BeginPlay so it should start at beggining just after start application. But then I can see just green screen at KM EAGLE 1064.1G tablet with Android 4.4 (I will try to reproduce it at different smartphone too further). At the moment I also verified it at Samsung S6 with android 5 where this problem not exists. Below at the screenshots you will se it more:

Ad. 3: alt text alt text alt text alt text alt text

I hope this will helpfull :)

mediaplayer.png (484.5 kB)
texture.png (110.0 kB)
material.png (45.7 kB)
widget.png (52.8 kB)
avatar image R&D Lab Mar 15 '16 at 03:25 PM

I am sorry that I post answer instead of comment but I were unable to put my comment with attachements.

Movie file is: alt text

codec.png (7.3 kB)
avatar image R&D Lab Mar 15 '16 at 03:29 PM

For the same application:

Photo for KM tablet (Android 4.4): alt text

Screenshot from Samsung S6 (Android 5): alt text

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Hello R&D Lab,

After further testing and looking over the information that you gave I was able to find that this is a known issue (UE-24652) and that it has been sent to the developers for further consideration. I will provide updates with any pertinent information as it becomes available. Thank you for your time and information.

Make it a great day

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answered Mar 15 '16 at 06:51 PM

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Rudy Q ♦♦ STAFF
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avatar image R&D Lab Mar 18 '16 at 08:33 AM

Thank You and have a great day too :)

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