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Samsung D6000 series - High Frame Rate Video Files (FPS)

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tmennell

Serviio newbie

Posts: 6

Joined: Mon Sep 19, 2011 2:07 pm

Post Sun Feb 17, 2013 10:25 am

Samsung D6000 series - High Frame Rate Video Files (FPS)

Hi,

I've attempted to watch some recordings made on my camera which were recorded in AVCHD format @ 1080P50 that is 1080P resolution captured at 50fps with a bitrate of roughly ~ 26Mbps stored in ".mts" X-264 Container files.

The maximum resolution, frame rate and bit rate for video files in any format on the D Series seems to be 1080P30 @ < or = 25Mbps

Naturally I can't playback the files directly by copying them to a USB memory stick

Serviio is usually able to down-convert video files where necessary but the special decoder for the Samsung D series doesn't seem to reduce the frame rate (and or bit rate) to be compliant within the maximum thresholds of the device.

Please could you include a more comprehensive encoder in the next release (1.2) which can handle the drop in frame rate or at least allow, effectively slow-motion playback of the high frame rate video @ 30fps (as if viewing speed is 50%)
Last edited by tmennell on Sun Jul 21, 2013 2:00 pm, edited 1 time in total.
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Vintila

Streaming enthusiast

Posts: 44

Joined: Wed Nov 02, 2011 5:57 pm

Post Sat Jun 29, 2013 10:07 pm

Re: Samsung D6000 series - High Frame Rate Video Files (FPS)

Same issue here. My C7000 does not play natively the 1080P50 files and Serviio does not transcode them in a way the TV can play them.

Thanks.

Here the mediainfo of a file:

General
ID : 1 (0x1)
Complete name : E:\PRIVATE\AVCHD\BDMV\STREAM\00054.MTS
Format : BDAV
Format/Info : Blu-ray Video
File size : 25.6 MiB
Duration : 8s 614ms
Overall bit rate mode : Variable
Overall bit rate : 25.0 Mbps
Maximum Overall bit rate : 28.0 Mbps

Video
ID : 4113 (0x1011)
Menu ID : 1 (0x1)
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L4.2
Format settings, CABAC : Yes
Format settings, ReFrames : 2 frames
Format settings, GOP : M=3, N=24
Codec ID : 27
Duration : 8s 600ms
Bit rate mode : Variable
Bit rate : 23.7 Mbps
Maximum bit rate : 25.0 Mbps
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate : 50.000 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.229
Stream size : 24.3 MiB (95%)

Audio
ID : 4352 (0x1100)
Menu ID : 1 (0x1)
Format : AC-3
Format/Info : Audio Coding 3
Mode extension : CM (complete main)
Format settings, Endianness : Big
Codec ID : 129
Duration : 8s 640ms
Bit rate mode : Constant
Bit rate : 256 Kbps
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 48.0 KHz
Bit depth : 16 bits
Compression mode : Lossy
Delay relative to video : -40ms
Stream size : 270 KiB (1%)

Text
ID : 4608 (0x1200)
Menu ID : 1 (0x1)
Format : PGS
Codec ID : 144
Duration : 8s 96ms
Delay relative to video : -40ms
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tmennell

Serviio newbie

Posts: 6

Joined: Mon Sep 19, 2011 2:07 pm

Post Sun Jul 21, 2013 1:58 pm

Re: Samsung D6000 series - High Frame Rate Video Files (FPS)

I was just looking at transfer rates:

Wired network speeds on a 100Mb/s switch are about 12.5MB/s
1080P50 video encoded in this way is about 25Mb/s which is about 3.125MB/s so it certainly seems plausible from a bandwidth perspective.

To give you an idea of just how much power it uses though, A pc I was recently using with a 9500GT, 4Gb Ram, E7400 etc (which is a little old but not that bad) could not playback the video files. It was badly torn and jumpy, it couldn't handle it.

The main question is to playback in slowmotion or to cut frames? Every second one would need to be removed. I guess it could be done individually converting the videos but it would be a great help if the Serviio were able to conquer it.

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