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[kuanj]

Using JRiver MC24, Intel NUC i5 (6th generation) 8mb RAM and a Samsung 4 K TV. Running WIndows 10.

The picture is chopper and sound is very soft. Have tried all the MC24 video settings in various configurations without success.

Any suggestions

[michael123]

- where the file is located? If its on the network, move it to local disk
- if it still jumps even while on local disk, do you observe any bottleneck? Open Task Manager (or Resource Manager) take a look on CPU & Memory

[kuanj]

Location of file is in the C drive.
Resource monitor as follows:-
1. CPU  = 100%
2. Memory=72%
3. Disk = 1%
4.GPU = 96%
Looks like very high usage of resources
Any Suggestion?  Thanks.

[michael123]

Assuming your video drivers are up-to-date, wait until someone from the dev team joins here.

[michael123]

Did you try playing it back with VLC and MPC-HC ?

[Hendrik]

If both CPU and GPU are fully loaded, it sounds like its beyond the capability of your system to play this file.

The only thing to make sure to try would be enabling "Hardware Accelerated Video Decoding" in the Settings under Video. Without that option, there is absolutely no hope for an Intel NUC.

[Manfred]

Did you use RO Standard or Red October HQ?

[robt]

I think you need a 7th generation Intel Kaby Lake or above to play back 4k smoothly..

[rec head]

4K needs a good GPU. I don't even remember the generation of my CPU but it is an i5 from at least 5 years ago. My GPU is a 1060 6GB and it handles 4K nicely.

[kuanj]

1. Did you try playing it back with VLC and MPC-HC ?
   Yes I did other media player the result is the same ie choppy pic    and sound

2. Hardware Accelerated Video Decoding?
   Enable slight improvement but still choppy and sound very soft

3. Did you use RO Standard or Red October HQ?
   Tried both without any improvement
4. I think you need a 7th generation Intel Kaby Lake or above to play    back 4k smoothly?
   Guessed 6th generation is sufficient. Sad mine not up to expectation

5. 4K needs a good GPU

Thanks guys for all the feedback. Hope JRiver admin could help out.

[tij]

When playing in Red October HQ … press Ctr+J … and post the screenshot of MadVR rendering stats

[JimH]

I'm guessing that a better GPU would solve this.  Your CPU should work.

[kuanj]

When playing in Red October HQ … press Ctr+J … and post the screenshot of MadVR rendering stats

While Playing, cursor on the movie screen and execute Control+J, nothing happens. Was my action correct?

[kuanj]

I'm guessing that a better GPU would solve this.  Your CPU should work.

My Intel NUC specs:-
Processor Graphics ‡
Intelฎ HD Graphics 6000
Graphics Base Frequency 300 MHz
Graphics Max Dynamic Frequency 950 MHz
Graphics Video Max Memory 16 GB
Graphics Output eDP/DP/HDMI
Max Resolution (HDMI 1.4)‡ 2560X1600@60Hz
Max Resolution (DP)‡ 3840x2160@60Hz
DirectX* Support 11.2/12
OpenGL* Support 4.3

You mean the above graphics not able to play 4 K movies?

Thanks

[tij]

While Playing, cursor on the movie screen and execute Control+J, nothing happens. Was my action correct?

Ctrl+J only works for Red October HQ ... best is on full screen ... then press Ctr+J ... MadVR stats will appear telling scaling settings as well as rendering times (which should give rough idea whats happening) ... Press Ctr+J again for stats to dissapear

[robt]

I believe the issue is the h.265 coding used for UHD discs.

Intel 7th gen cpus were the first to include native decoding and thats what makes the difference, not the gpu.

My i3 Kaby Lake based with only onboard Intel HD630 graphics plays 4k rips without any problem but earlier gen cpus struggle even if considerably more powerful.

Have a look at this https://www.youtube.com/watch?v=cI-a4WZWwZc

[Hendrik]

The previous posters are right. Your Intel HD6000 GPU is a Broadwell chip, those don't have any HEVC hardware acceleration. You need a Skylake for that at least (although those are still a tad bit limited), or even better a Kaby Lake/Coffee Lake.
Without hardware acceleration, the CPU in the small NUCs is not powerful enough to handle 4K video.

[kuanj]

Thank you guys for your inputs. Greatly appreciated.