Hey,
Try yesterday with a new 4K mkv video SAMSARA but can't read it. Have the CS firmware 2.01. Try with and without the 24 Hz, same, only Audio sound but no picture, black screen. Do you already have seen this mistake...... Did this resolution can be works !!!!
Width : 4 096 pixels
Height : 1 716 pixels
General
Complete name : G:\SAMSARA_TLR-2-UK_EN-XX_OV_51-4K-HDTN.mp4
Format : MPEG-4
Format profile : Base Media
Codec ID : isom
File size : 1.03 GiB
Duration : 1mn 40s
Overall bit rate : 88.4 Mbps
Movie name : SAMSARA TLR-2-UK / Conversion tool by alexx
Writing application : Lavf56.15.102
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High 4:4:4 Predictive@L5.1
Format settings, CABAC : Yes
Format settings, ReFrames : 4 frames
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 1mn 40s
Bit rate : 87.8 Mbps
Width : 4 096 pixels
Height : 1 716 pixels
Display aspect ratio : 2.40:1
Frame rate mode : Constant
Frame rate : 24.000 fps
Color space : YUV
Chroma subsampling : 4:4:4
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.520
Stream size : 1.03 GiB (99%)
Writing library : x264 core 142 r2455 021c0dc
Encoding settings : cabac=1 / ref=3 / deblock=1:0:0 / analyse=0x3:0x113 / me=hex / subme=7 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=1 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=4 / threads=12 / lookahead_threads=2 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / bframes=3 / b_pyramid=2 / b_adapt=1 / b_bias=0 / direct=1 / weightb=1 / open_gop=0 / weightp=2 / keyint=250 / keyint_min=24 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=crf / mbtree=1 / crf=18.0 / qcomp=0.60 / qpmin=0 / qpmax=69 / qpstep=4 / ip_ratio=1.40 / aq=1:1.00
Language : English
Audio
ID : 2
Format : AC-3
Format/Info : Audio Coding 3
Mode extension : CM (complete main)
Format settings, Endianness : Big
Codec ID : ac-3
Duration : 1mn 40s
Bit rate mode : Constant
Bit rate : 640 Kbps
Channel(s) : 6 channels
Channel positions : Front: L C R, Side: L R, LFE
Sampling rate : 48.0 KHz
Bit depth : 16 bits
Compression mode : Lossy
Delay relative to video : 83ms
Stream size : 7.67 MiB (1%)
Language : English
http://www.hd-trailers.net/movie/samsara/
Thanks