$ mkvinfo -v -v -v file.mkv                  
+ EBML head at 0
|+ EBML version: 1 at 5
|+ EBML read version: 1 at 9
|+ Maximum EBML ID length: 4 at 13
|+ Maximum EBML size length: 8 at 17
|+ Document type: matroska at 21
|+ Document type version: 4 at 32
|+ Document type read version: 2 at 36
+ Segment: size 395986739 at 40
|+ Seek head at 52
| + Seek entry at 57
|  + Seek ID: 0x15 0x49 0xa9 0x66 (KaxInfo) at 60
|  + Seek position: 4099 at 67
| + Seek entry at 72
|  + Seek ID: 0x16 0x54 0xae 0x6b (KaxTracks) at 75
|  + Seek position: 4223 at 82
| + Seek entry at 87
|  + Seek ID: 0x1c 0x53 0xbb 0x6b (KaxCues) at 90
|  + Seek position: 395978643 at 97
| + Seek entry at 104
|  + Seek ID: 0x12 0x54 0xc3 0x67 (KaxTags) at 107
|  + Seek position: 395985797 at 114
|+ EBML void: size 4027 at 121
|+ Segment information at 4151
| + Timestamp scale: 1000000 at 4156
| + Multiplexing application: libebml v1.4.0 + libmatroska v1.6.2 at 4163
| + Writing application: mkvmerge v51.0.0 ('I Wish') 64-bit at 4201
| + Duration: 00:24:51.533000000 at 4238
| + Date: Mon Oct 26 15:14:24 2020 UTC at 4245
| + Segment UID: 0xdd 0xcf 0x0f 0xdf 0x87 0x98 0xce 0x29 0x60 0xc9 0xcb 0x9c 0xa3 0x9a 0x4a 0x79 at 4256
|+ Tracks at 4275
| + Track at 4281
|  + Track number: 1 (track ID for mkvmerge & mkvextract: 0) at 4284
|  + Track UID: 14921668385476770149 at 4287
|  + Track type: video at 4298
|  + Lacing flag: 0 at 4301
|  + Codec ID: V_MPEGH/ISO/HEVC at 4304
|  + Codec's private data: size 2410 (HEVC profile: Main @L4.0) at 4322
|  + Default duration: 00:00:00.041708333 (23.976 frames/fields per second for a video track) at 6736
|  + Language: jpn at 6744
|  + Language (IETF BCP 47): ja at 6751
|  + Name: Video at 6757
|  + Video track at 6765
|   + Pixel width: 1920 at 6767
|   + Pixel height: 1080 at 6771
|   + Display width: 1920 at 6775
|   + Display height: 1080 at 6782
|   + Video colour information at 6789
|    + Horizontal chroma siting: 1 at 6792
|    + Vertical chroma siting: 2 at 6796
| + Track at 6800
|  + Track number: 2 (track ID for mkvmerge & mkvextract: 1) at 6802
|  + Track UID: 12789067425537032669 at 6805
|  + Track type: audio at 6816
|  + Codec ID: A_AAC at 6819
|  + Codec's private data: size 2 at 6826
|  + Default duration: 00:00:00.023219954 (43.066 frames/fields per second for a video track) at 6831
|  + Language: jpn at 6839
|  + Language (IETF BCP 47): ja at 6846
|  + Name: Audio at 6852
|  + Audio track at 6860
|   + Sampling frequency: 44100 at 6862
zsh: segmentation fault (core dumped)  mkvinfo -v -v -v file.mkv