on my ubuntu the above file shows the following info
$ mediainfo output.mkv General Unique ID : 314811720149736805223257873413350306303 (0xECD68828810B9DA514942FF894FF31FF) Complete name : output.mkv Format : Matroska Format version : Version 4 File size : 6.29 MiB Duration : 3 s 332 ms Overall bit rate : 15.8 Mb/s Writing application : Lavf58.76.100 Writing library : Lavf58.76.100 ErrorDetectionType : Per level 1 Video ID : 1 Format : HEVC Format/Info : High Efficiency Video Coding Format profile : Main 10@L5@High Codec ID : V_MPEGH/ISO/HEVC Duration : 3 s 332 ms Bit rate : 16.6 Mb/s Width : 3 840 pixels Height : 2 160 pixels Display aspect ratio : 16:9 Frame rate mode : Variable Frame rate : 53 838.535 FPS Original frame rate : 23.976 (24000/1001) FPS Color space : YUV Chroma subsampling : 4:2:0 Bit depth : 10 bits Bits/(Pixel*Frame) : 0.000 Stream size : 14.4 GiB Language : English Default : Yes Forced : No Color range : Full
Edited by serdeliuk, Yesterday, 15:01.