Samsung UHD 4K TV wrong JPEG resolution

General discussion about the media server. Feature requests. Hints, tips and tricks.
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fcosenti
Posts: 2
Joined: Mon Jun 09, 2014 6:26 am
AV Hardware: QNAP TS-239 PRO II, Samsung UA65F9000 UHD TV

Samsung UHD 4K TV wrong JPEG resolution

Post by fcosenti » Mon Jun 09, 2014 6:29 am

Hi,

I have a QNAP TS-239 PRO II running a TwonkyServer 7.2.7.

My Samsung series F UHD TV (UA65F9000) is getting JPEG pictures in 1080 maximum vertical resolution. The TV is 3840 x 2160 capable, how can this be resolved?

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phibertron
Posts: 1566
Joined: Sun Jan 30, 2011 5:52 pm
AV Hardware: Hardware
========
WHS - HP Ex495
PS3
XBOX 360
iTouch - Gen 2 and Gen 3
PSP - 3000

Encoders
========
Handbrake
x264
ffmpeg
mencoder

Tagging
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mp3tag

Re: Samsung UHD 4K TV wrong JPEG resolution

Post by phibertron » Mon Jun 09, 2014 5:08 pm

The first thing to do, is to find out is this, if its even made public
what is the maximum resolution supported for an image over dlna on the tv?

The second thing to do, is if you want to skip the first part, or there is no answer to it
is to modify the twonky client xml profile for the tv
in the twonky web interface under sharing and then media receivers
check to see if your tv is detected as "Samsung Smart TV" or as "Samsung TV"

this is where you will need ssh access to the nas
in the following folder, you should see "Samsung_Smart_TV.xml" and "Samsung_TV.xml"
/mnt/HDA_ROOT/twonkymedia/resources/devicedb/Samsung
you will need a text editor, to edit the files
Depending one which one your tv is using, my bet is "Samsung_Smart_TV.xml"
In the xml file you will see this section
the odd thing is that it contains "JPEGORG" which means
offer the client the original jpeg as a choice to display

NOTE: The client picks which one it will play, NOT the server, the server gives only choices
<Scaling>
<Target>JPEG1920x1080</Target>
<Target>JPEG640x480</Target>
<Target>JPEG160x160</Target>
<Target>JPEGORG</Target>
</Scaling>


To find out if the issue is an ordering one try to make look like this
SAVE the file and RESTART the Twonky Server, before Testing
<Scaling>
<Target>JPEGORG</Target>
<Target>JPEG1920x1080</Target>
<Target>JPEG640x480</Target>
<Target>JPEG160x160</Target>
</Scaling>


If the above, doesn't work out, try this
SAVE the file and RESTART the Twonky Server, before Testing
<Scaling>
<Target>JPEGORG</Target>
</Scaling>
viewtopic.php?f=2&t=10627
viewtopic.php?f=2&t=9353
viewtopic.php?f=2&t=9408
viewtopic.php?f=2&t=9416
viewtopic.php?f=2&t=9424
viewtopic.php?f=2&t=9364
viewtopic.php?f=2&t=9497

fcosenti
Posts: 2
Joined: Mon Jun 09, 2014 6:26 am
AV Hardware: QNAP TS-239 PRO II, Samsung UA65F9000 UHD TV

Re: Samsung UHD 4K TV wrong JPEG resolution

Post by fcosenti » Wed Jun 11, 2014 8:52 pm

Moving the JPEGORG to the top of the list did the trick.

By the way, the Samsung Smart TV XML file is in a different location on QNAP, I had to search for it. All good.

User avatar
phibertron
Posts: 1566
Joined: Sun Jan 30, 2011 5:52 pm
AV Hardware: Hardware
========
WHS - HP Ex495
PS3
XBOX 360
iTouch - Gen 2 and Gen 3
PSP - 3000

Encoders
========
Handbrake
x264
ffmpeg
mencoder

Tagging
======
mp3tag

Re: Samsung UHD 4K TV wrong JPEG resolution

Post by phibertron » Thu Jun 12, 2014 3:59 am

Nice! glad to hear that moving it to the top was all that was needed

For our fans who might stumble upon this thread, what was the path for it?
As I don't have a qnap to verify the path I used in my previous post
viewtopic.php?f=2&t=10627
viewtopic.php?f=2&t=9353
viewtopic.php?f=2&t=9408
viewtopic.php?f=2&t=9416
viewtopic.php?f=2&t=9424
viewtopic.php?f=2&t=9364
viewtopic.php?f=2&t=9497

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