Plex Player won't work with TrueHD audio on iOS, even if the iDevice support it. (Note that even if you disable the transcode, it only disable transcode of the video, not the audio.)ģ, Make sure you change the audio from TrueHD 7.1 to something else when you play the video on iOS. For example, if the HEVC MKV video contains ASS/SSA subtitles, Plex will often transcode it. Make sure the audio and subtitles are supported, or Plex will force a transcode instead of direct playing the HEVC video. If yes, Plex will transcode the HEVC video when it exceed the limit.Ģ. Make sure you haven't set any quality or bitrate limit either on the server or in the client. If some of the HEVC files will direct play on Plex but other HEVC videos won't play unless the transcode is enabled, you'd better take something below into consideration:ġ. Most NAS media are based on ARM CPU, which is not powerful enough to transcode 4K videos. The new problem is that video quality may be compromised.Īnd you probably find the HEVC transcoding process stucks owing to underpowered hardware, especially when you're trying to play 4K HEVC files on Plex from NAS. Plex Media Server uses hardware acceleration to offload transcoding to GPUs with the purpose of getting a faster performance and lowering CPU usage. And, slow transcoding speed can kill everyone's patience. Transocding is a CPU-intensive task leading to horrible performance to handle other tasks unless you have a sufficient CPU. If your HEVC videos which don't meet meet the above-mentioned properties, Plex will automatically transcode them to 1080P via Plex Media Server instead of direct playback. Glance at Minimum System Requirements of 4K HEVC Playback:ĭiscrete Graphics: GeForce GTX 650 or better/AMD Radeon HD 700 Series or better A computer wrapping powerful processor and graphic cards is quite necessary to watch HEVC videos smoothly with Plex. Why? High system requirements are required to play HEVC, especially for 4K HEVC videos. Your computer is not powerful to handle 4K HEVC videosĪlthough HEVC features a high compression ratio delivering high quality at a lower bit rate, its incompatibility with Windows and Plex often results in playback issue like glitches, lags, black screen and so on. Currently, 4K HEVC videos can be only watched on - TiVo Roamio & Bolt (Series 6) devices, 2016 or newer Tizen-based Samsung models, VIZIO televisions – via Plex. Other trouble may caused by the device you want to play on. Given this, Plex will not play incompatible HEVC file, like HEVC MKV, 4K HEVC 60fps, HEVC 10-bit. This means not all HEVC-encoded videos and movies are supported by Plex. The 4K HEVC/H.265 video is unaccepted.Īs explained in Part 1, there are explicit requirements for achieving 4K HEVC direct playback. To be specific, there are 4 major potential scenarios how Plex not working with 4K HEVC/H.265 files. Generally, the Plex 4K HEVC playback errors can be caused by various reasons. Possible Reasons for Plex Not Playing HEVC/H.265? Given this, why your HEVC file is still required to be transcoded? Why Plex not recognizing your HEVC/H.265 files? There are many situations that can lead to this issue as below. This means if your HEVC video meet the properties above, it should be able to direct play on Plex. Why won't Plex play some HEVC/H.265 videos smoothly? Why 4K HEVC not transcoding via Plex arrive at the same time? If you're confused about these and looking for an efficient solution to fix the errors, keep on reading to find answers. "- I have some 4K HEVC/x265 content I would like to stream to various devices and browsers which is requiring the content to be transcoded to x264.So far, when transcoding is active I am unable to stream the content to a device on the local network at a speed that is able to avoid constant buffering." The audio plays uninterrupted but the video is super glitchy." "- Whenever I try to playback 4K HEVC video (AC3 5.1) (usually ~30 mbps) on my Samsung smart TV, it has issues with the playback with skipping, repeating, etc. Below are some frequently asked questions quoted from reddit or other forums: Though Plex gives its announcement to support 4K HEVC playback in MP4 and MKV container, problems like " 4K HEVC not transcoding via Plex", or " HEVC 4K - some transcode, other do not", or " HEVC MKV video is unavailable" still come from time to time. Unlike other media software supporting limited media formats, Plex accepts almost any file format you can add to it. Summary: Does Plex support HEVC? Why won't Plex play HEVC/H.265 availably or smoothly? How to easily fix Plex HEVC/H.265 4K/MP4/MKV playback issues? All these answers can be found here.
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