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Anything above that resolution causes the UE Media Player panel to show the length of the clip correctly but being unable to start playing it.Ĭomputer A has lots of video software installed on it, so it probably also has numerous video codecs installed at system level. However, on the other two machines (computer B and C), the maximum that seems to work when encoding with AME is 3840x1080 (h.264 level 5.1). On one of our three test machines (computer A), all videos play just fine in Unreal, including resolutions around 4096x2048. In both cases, the final encoding is done in Adobe Media Encoder (AME) using h.264 wrapped in mp4. We have created all our footage in Nuke and Premiere. The current documentation is quite vague on which formats, codecs, codec levels etc. If this actually is the case, then how can we make sure that the videos play on all our end users’ machines? It looks like as if Unreal is not using built-in codecs but system codecs to decode the videos? If your 64-bit PC is running a 64-bit Windows OS, please download the 64-bit version instead.ĭownload: HEVC Video Extensions 64-bit (2.8 MB)ĭownload: HEVC Video Extensions 32-bit (1.4 MB)Īll other trademarks are the property of their respective owners.We are trying to play back 4K videos in our Windows-only project, but we just realized that some of our footage plays back only on some of our test machines.

Note: HEVC Video Extensions comes in 32-bit and 64-bit versions. The H.265 (x265) MPEG-H Part 2 compression format is the successor of H.264/AVC, offering smaller file sizes. HEVC Video Extensions also let you encode HEVC content on devices that don’t have a hardware-based video encoder. For devices that don’t have hardware support for HEVC videos, software support is provided, but the playback experience might vary based on the video resolution and PC performance.

HEVC Video Extensions are designed to take advantage of hardware capabilities on some newer devices, including those with an Intel 7th Generation processor and newer GPU to support 4K and Ultra HD content.

If you want to play HEVC (High Efficiency Video Coding) or h.265 videos in Windows 10, you can download this free appx (HEVC Video Extensions from Device Manufacturer) which will install HEVC Codecs on Windows 10.