Qnap 10bit HEVC Fails with Plex, good on Emby

Server Version#: 1.15.8.1163
Player Version#:

Message[Transcoder] [hevc @ 0x7d0480] No support for codec hevc profile 2.
Message[Transcoder] [hevc @ 0x7d0480] Failed setup for format vaapi_vld: hwaccel initialisation returned error.

works fine under software, but with hardware turned on, 10bit fails. 8bit works fine.

tested with emby under hardware, and plays 10bit fine.

Apples and Oranges. What model of QNAP?

Not really an Apples / Oranges problem.

Given it states hevc profile 2, the ASIC doesn’t support HDR (it isn’t a -7xxx processor)

Plex not falling back to software is a known problem and hopefully being fixed in the next transcoder update.

Qnap TS-EC1680U - Intel Xeon CPU-1246 v3 @ 3.50GHz

thanks for reply. when ive tested the same files with Emby, it states its transcoding to x264 with hardware?

any idea when the next transcoder update is coming?

The Engineering update is largely done already
We are already regression testing the transcoder update to make sure nothing has been missed as well as testing the changes to PMS for the new transcoder and drivers.

Sounds like its close to be released then, great news.

any idea why i can hardware transcode 10bit h265 to x264 with Emby, but not with Plex?

PMS is failing at the decode-fallback stage.
Emby isn’t hardware decoding either. The CPU isn’t capable of it.

This line

No support for codec hevc profile 2.  (1 = SDR,  2 = HDR )

Is the proof. That is the error code from the ASIC itself through VAAPI.

Both are capable of hardware encoding to H.264.

The only reason you see success on Emby is because it’s not failing to fallback to SW encode.

This is one of the problems which will be fixed in the upcoming update.

Excellent, thanks for the info.

Cheers

was hoping to see the fix in yesterdays update, but unfortunately not.

any idea of an ETA?

ETA? Soon because we’re testing it now.
Date? Impossible to pick one.

Sorry

Ok no worries thanks.

still testing?

It’s in forum preview now. go have a peek

You referring to 1597?

Been running that one, still get green screen.

I can run one tomorrow through the logs if you want to take a look?

I saw discussion about working through that problem.
I have not had opportunity to follow their every step

Please coordinate those errors in that thread as requested

with the new 1.17.0, still no fix by the looks of it

Sep 17, 2019 09:06:51.756 [0x7ff1b511f700] Error — [Transcoder] [hevc @ 0x1903440] No support for codec hevc profile 2.
Sep 17, 2019 09:06:51.757 [0x7ff15fa23700] Error — [Transcoder] [hevc @ 0x1903440] Failed setup for format vaapi_vld: hwaccel initialisation returned error.

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