When we remotely access the content inside Plex Server, Plex will first transcode the source video into a low-quality file to avoid buffering. This is because network speed generally does not support full quality. Plex transcoding process will be automatically enabled when necessary, but there're some Transcoder settings you can play with in advance. To begin with, check whether your computer or NAS can meet the requirements of Plex Media Server. If it can, now you can download Plex Media Server from Plex downloads page, install it following the onscreen wizard, and finish server setup as required. Go to SETTINGS, hit Transcoder, and now you can specify Transcoder quality and Maximum simultaneous video transcode. There're four options under Transcoder quality. ▪ Automatic – Plex Media Server will choose from the other three options automatically. This option is recommended to most users. ▪ Prefer higher speed encoding – faster transcoding speed but lower quality streaming. ▪ Make my CPU hurt – highest quality with slower transcodes and heaviest CPU usage Plex transcoder quality and max simultaneous transcodes settings ▪ Prefer higher quality encoding – higher quality but slower transcoding If you want to make Plex transcode faster and don't mind some quality loss, you can choose this option. Maximum simultaneous video transcode means the maximum number of transcoding sessions are allowed to process simultaneously.įor more transcoding settings, you can click SHOW ADVANCED. And now, you can set segmented transcoder timeout, transcoder temporary directory, transcoder default duration, transcoder default throttle buffer, and background transcoding x264 preset. Plex transcoding is really a CPU intensive process. It may be at 100% CPU utilization and give you stuttering, buffering problems. So, you need to do a good setting of transcoder quality, background transcoding x264 preset, and maximum number of simultaneous transcode sessions, especially when your Plex server is running on a non-dedicated computer. Plex transcoding is a CPU hog, so can we use GPU hardware to perform this task more efficiently and thereby improve the streaming performance?Ĭheck what kind of CPU do I need for Plex server> Does Plex Support GPU Hardware Transcoding? Certainly, you can also use a faster/better CPU to get better transcoding performance. At the bottom of Transcoder advanced settings, you will see "Use hardware acceleration when available (Experimental)". Check this if you want to enable hardware transcoding. Plex will use Intel Quick Sync Video, NVIDIA or AMD GPU to perform video decoding and encoding. Compatible formats for hardware decoding include H.264. HEVC, MPEG-2 and VC-1 while hardware-accelerated encoding format is limited to H.264. Note: Hardware transcoding is a premium feature and requires an active Plex Pass subscription.
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