mkv doesn't show bitrate - SERP Analysis

https://www.reddit.com/r/VideoEditing/comments/188aexn/how_to_know_the_real_bitrate_of_a_mkv/

https://github.com/HandBrake/HandBrake/issues/1609

https://community.mp3tag.de/t/for-mkv-files-placeholder-video-bitrate-is-not-working-and-audio-bitrate-aka-bitrate-is-inaccurate/61879

https://forum.videohelp.com/threads/405897-windows-explorer-is-not-showing-the-bitrate-of-mkv-file

https://obsproject.com/forum/threads/question-about-mkv-output.183052/

https://video.stackexchange.com/questions/29115/why-i-cant-check-the-bit-rate-on-some-videos

https://trac.ffmpeg.org/ticket/3392

https://forum.dvdfab.cn/forum/software-support-english/dvdfab-dvd-ripper-blu-ray-ripper-3d-plus/28309-mkv-bitrate-question

https://sourceforge.net/p/mediainfo/discussion/297610/thread/9ecd53d2/

https://www.autoitscript.com/forum/topic/203538-solvedhow-can-i-get-duration-and-bitrates-of-mkv-and-webm-files/