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[BlankMan]

I just got a DNS-321 and upgraded it to the 1.03 firmware. I moved all my mp3 audio files and my mp4 video files to it. But when I play a mp4 video on my DSM-520 I get sound but no picture. An mpeg-1 video file plays fine.

I mount the share on my linux box and I run MediaTomb and then play that exact same file off the DNS-321 on the DSM-520 and the sound and picture are fine via the MediaTomb UPnP server but not via the DNS-321 UPnP server.
[Meant to say not  via the DNS-321 UPnP server]

So there is something wrong with the DNS-321 UPnP server when serving these mp4 files.

The mp4 files were created using Pinnacle Studio 12.

[ECF]

What happen when you play the file via USB direct on the DSM-520?

[BlankMan]

Haven't tried that but the fact it plays correctly when served by MediaTomb what would putting is on a USB stick tell us? I'll try that if there's some value to it. We already know the file plays properly via MediaTomb but not via the DNS-321's UPnP server.

What file systems does the 520 recognize on the USB sticks? Most of mine are resier.

[BlankMan]

Well I put the video on a 2GB USB FAT stick and the 520 says no USB device detected. I plugged it in and out many tiimes, the 520 could never see it. I even re-formatted it. Still didn't see it. I put a 1GB FAT USB stick in the 520 and it sees it. But the mp4 is 1.4GB so it won't fit on the 1GB stick. But I put the 2GB stick in my laptop and the mp4 played fine.

[JoeSchmuck]

Haven't tried that but the fact it plays correctly when served by MediaTomb what would putting is on a USB stick tell us? I'll try that if there's some value to it. We already know the file plays properly via MediaTomb but not via the DNS-321's UPnP server.

MediaTomb will transcode on the fly, the NAS does not transcode.  Check out the transcoding as I know I'd had troubles in that area several months ago.  I didn't have a NAS at the time so I used FreeNAS and a computer to run MediaTomb.

Good luck.

[BlankMan]

I do not have transcoding enabled in MediaTomb.

And I went out and bought a new 8GB USB drive and put the mp4 on it and plugged it in the 520 and it played fine.

[BlankMan]

Ok, I figured out the trick with USB sticks, you cannot format the whole device with a filesystem, you have to use partitions. You can make the whole device a single partition and put the filesystem on it and the works, that's what I did on the 2GB stick and it worked, but you can't put a filesystem on the whole device with no partitions, that won't work.

I confirmed this by taking a 16GB stick and making four 4GB partitions and put some mp4's on each partition and they all played fine.

Sure would be nice if this was documented someplace...

[JoeSchmuck]

So what's the solution for the DNS-321 NAS?  Do you have to create 4 GB or smaller partitions?

[BlankMan]

Joe, if you're referring to partitions on USB flash disk the answer is no. I created four 4GB partitions on the 16GB flash disk because I wanted to see if the DSM-520 would see all 4 partitions and be able to play off of all 4 partitions or if it would only see the first partition. It saw all 4 and was able to play off of them.

If using FAT32 as the file system which is what I used you are limited to a 32GB partition and a 4GB file size, that is a limitation of FAT32.

I reformatted the 16GB stick as one 16GB partition with one 16GB FAT32 filesystem and put 5 MPEG-4 video files on it using over 6GB of space and they played fine on the DSM-520.

[BlankMan]

ECF, I now understand why you wanted to know if the MPEG-4's played off a USB stick, to rule out transcoding and be sure they played as MPEG-4's.

Yes they play as their native MPEG-4's off a USB stick in the DSM-520.

So the DNS-321's UPnP server is doing something that caused the picture not to be displayed even though the sound is fine on the DSM-520.

[JoeSchmuck]

No, I was refering to if you had to reformat your NAS into smaller 4GB partitions.  Once you stated the files could be played via the USB the transcoding was eliminated from my mind so I was focused on the NAS.

[BlankMan]

That would be a b*tch formatting 1.5TB in 4Gb chunks! 

[ECF]

Well after viewing the file you sent me I was able to replicate your results however I am not clear to where the issue is at at this time. It may be with the DSM-520 as I played the video via UPnP AV media server to a DSM-750 and it worked fine then played it again on the DSM-520 and got audio only. It is strange that it works via USB and not the UPNP av media server. I tested with the DNS-321 and the DNS-323 with the same results.

[griinder]

yes the dns-321 will barely serve any vids to my xbox360. some xvid and divx work, but mp4's with stereo sound are out of the question. I say stereo because the xbox will not play mp4's in 5.1 sound. Tversity streams them flawlessy without transcoding. Way to go dlink...another one of your products that does not work for me.

[BlankMan]

Well after viewing the file you sent me I was able to replicate your results however I am not clear to where the issue is at at this time. It may be with the DSM-520 as I played the video via UPnP AV media server to a DSM-750 and it worked fine then played it again on the DSM-520 and got audio only. It is strange that it works via USB and not the UPNP av media server. I tested with the DNS-321 and the DNS-323 with the same results.

When is this going to be fixed?