February 4, 20242 yr Hi all, So, I've got nvidia transcoding working correctly with transcoding offloaded to ram as well. It worked perfectly, I tested this morning at a friend's house and it was working perfectly fine, no buffering, no issues, transcoding a high bitrate video to still high bitrate 4K, it was seamless. Pretty happy! As I got home I decided to test through my phone and noticed that it was buffering a lot, I mean a lot. every 3 seconds. So I checked it out and the CPU usage was HIGH, even though it shows the GPU is being used but it's barely breaking a sweat? Does anyone have any idea what's actually happening? As soon as I change the transcode to 1080p on the phone then the CPU usage drops to 2% instantly and GPU usage goes up... Any ideas?? Thank you!
February 4, 20242 yr Community Expert Plex only hardware transcodes the video. The burned in subtitles and audio down to Opus is done by the CPU. The higher the bit rate of the source file, the more data the CPU needs to process.
February 4, 20242 yr Author 52 minutes ago, ConnerVT said: Plex only hardware transcodes the video. The burned in subtitles and audio down to Opus is done by the CPU. The higher the bit rate of the source file, the more data the CPU needs to process. Gotcha. That makes sense. But shouldn't this CPU actually be able to handle that type of file?
February 4, 20242 yr Community Expert Looks as it was handling it. A snapshot in time of CPU utilization doesn't give much info to make that decision. Play around streaming different files, settings (resolutions/audio/subs) on different clients, and observe what the CPU/GPU usage looks like to see if all works. If you don't have stuttering and CPU threads aren't pinned to 100%, you're good.
February 4, 20242 yr Author 41 minutes ago, ConnerVT said: Looks as it was handling it. A snapshot in time of CPU utilization doesn't give much info to make that decision. Play around streaming different files, settings (resolutions/audio/subs) on different clients, and observe what the CPU/GPU usage looks like to see if all works. If you don't have stuttering and CPU threads aren't pinned to 100%, you're good. But as I've said, on that title for example, it was buffering every 3 seconds. And that snapshot in time was exactly how the CPU looked during the entire test stream I was doing! And this was on the same network, so shouldn't even be buffering every 3 seconds at all with this setup. Other files didn't have as much trouble, others did. With similar specs like truehd 7.1 audio etc
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