DLNA delivers only 640×360 pictures – affects JPG and HEIC

[xAndi 0]

My first test with DLNA and pictures was ok - original resolution in good quality - transcoding heic to jpg .

After a while - in the meantime i activated premiere, DLNA delivers only low-resolution thumbnails (640x360).

The result is unuseable on a 65" TV. I have to use DLNA, because there is no emby-App for samsung-TV in germany.

It happens on a current Samsung OLED TV, but also on Android-Mobile without emby-app.

Is there any way to configure Emby so that DLNA uses high-resolution?

[Luke 42462]

HI there, can you please provide a specific example?

How to Report a Problem

Thanks !

 

[xAndi 0]

Hi Luke,

the server is running on Windows 11 Pro. Server and Clients are in the same subnet.

Samsung OLED TV GQ65S9AD (ATXZG) [MAC 28:E6:A9:FF:85:CF/IP 192.168.179.74]

The screenshots shoes the same file (original heic 9248x5204x32 sRGB). 

thx for support

embyserver.txt

[visproduction 356]

Heic conversion is perhaps the problem.  The format is, I believe, protected by a licensing requirement and many software viewers cannot open Heic images.  If you can change the image format to compressed jpeg, that may resolve your low conversion image quality.  Or convert all Heic images into jpg around 1920 x 1080.  Otherwise, you may need to wait until Heic images are better supported.  This is just a guess.

Found this software.  I have not tried it.  Be cautious.
https://www.hapipic.com/page/bulk-image-resizer

Review: https://www.softwaretestinghelp.com/best-image-resizer-tools/

Edited May 1 by visproduction

[xAndi 0]

I´ve the problem with images in jpg-format as well. So i think ist must be something with DLNA-Client/Server communication.
If i use the Microsoft DLNA-Server on the same PC and Samsung TV, all jpg-picture are fine, just heic dont work.
I won´t convert heic to jpg, because heic-quality and size are much better compared to jpg.

[visproduction 356]

5 hours ago, xAndi said:

I won´t convert heic to jpg, because heic-quality and size are much better compared to jpg.

Are heic images supported?  I think maybe not. Since there is a licensing issue, heic image support may not happen.  If so, these images could just remain unable to be used.   I have not tested this.  This is a guess.