Just to rule it out, I got a dummy DisplayPort plug (P2200 don’t have HDMI, only DP). No change:
- WebApp w/4k test file:
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- Convert maximum works
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- Any manually selected lower quality fails and GPU utilization drops to 0%
- Plex Media Player w/4k test file:
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- Original playback works fine
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- Any conversion level gives “Error -17”
EDIT: Removed the note about network. Stuttering is occurring when playing the file locally. Seems that, when HW transcoding, it’s not doing it in real-time, just slightly slower, so eventually it catches up and has to keep buffering.
EDIT2: Seems like I might be having something at least similar to the issue described in this particular comment in this thread, where sometimes HW decoding/encoding is found and then it isn’t. Is the waiting for the transcoder update, as described in that linked thread, still pending? Or is that update in reference to the update that brought in NVDEC for Windows? If this is still a “hang in there” issue, I just want to know that before I start blaming hardware.
