Sorry, jernej, I'm not good in distinquishing .mkv video codecs, so I ran MediaInfo software and that's what it says:
I saw H.264 letters out there...
Code
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High [email protected]
Format settings : CABAC / 16 Ref Frames
Format settings, CABAC : Yes
Format settings, Reference frames : 16 frames
Codec ID : V_MPEG4/ISO/AVC
Duration : 1 h 17 min
Nominal bit rate : 4 905 kb/s
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 24.000 FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 10 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.099
Writing library : x264 core 129 r2245+704+35 dbbd7a1 tMod [10-bit@all X86_64]
Encoding settings : cabac=1 / ref=16 / deblock=1:1:1 / analyse=0x3:0x133 / me=umh / subme=11 / psy=1 / fade_compensate=0.00 / psy_rd=1.00:0.17 / mixed_ref=1 / me_range=64 / chroma_me=1 / trellis=2 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=0 / chroma_qp_offset=-3 / threads=12 / lookahead_threads=2 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / fgo=0 / bframes=9 / b_pyramid=2 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=0 / weightp=2 / keyint=280 / keyint_min=20 / scenecut=40 / intra_refresh=0 / rc_lookahead=0 / rc=2pass / mbtree=0 / bitrate=4905 / ratetol=1.0 / qcomp=1.00 / qpmin=0 / qpmax=48 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / vbv_maxrate=240000 / vbv_bufsize=240000 / nal_hrd=none / ip_ratio=1.40 / pb_ratio=1.30 / aq=4:0.83
Default : Yes
Forced : No
Color range : Limited
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
Display More
Tried to cut a small piece of that MKV file to show you, but seemes it did not worked for me.
Hope you can understand the issue from the above paragraph.