FLV Problem

Please, I've problem with FLV. My WD TV play them on the USB device but the same files on DLNA server they doesen't work:

Serviio 1 5 2

Mac osx: Yosemite 10.10.2


Format : Flash Video
File size : 4.26 MiB
Duration : 41s 759ms
Overall bit rate : 845 Kbps
httphostheader : v6.lscache2.c.youtube.com

Video
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Main@L3.0
Format settings, CABAC : Yes
Format settings, ReFrames : 3 frames
Muxing mode : Container profile=Unknown@3.0
Duration : 41s 759ms
Bit rate : 723 Kbps
Width : 640 pixels
Height : 480 pixels
Display aspect ratio : 4:3
Frame rate mode : Variable
Frame rate : 25.024 fps
Resolution : 8 bits
Colorimetry : 4:2:0
Scan type : Progressive
Bits/(Pixel*Frame) : 0.094
Stream size : 3.60 MiB (84%)

Audio
Format : AAC
Format/Info : Advanced Audio Codec
Format version : Version 4
Format profile : LC
Format settings, SBR : No
Duration : 41s 759ms
Bit rate : 124 Kbps
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 44.1 KHz
Stream size : 630 KiB (14%)

I don't believe that nobody have this problem