AudioVideo

• https://github.com/beandog/bluray_info
• https://wiki.gentoo.org/wiki/Extract_Blu-ray_audio_with_FFmpeg

• https://en.wikipedia.org/wiki/List_of_open-source_codecs
• https://en.wikibooks.org/wiki/Eac3to/How_to_Use

• https://www.reddit.com/r/audiophile/comments/ahqn23/is_there_an_audible_difference_between_16bit_and/
• https://www.reddit.com/r/audiophile/comments/hr0wt9/whats_the_difference_between_16bit_versus_24bit/
• https://www.audiocheck.net/audiotests_dithering.php
• https://pc.sk/preco-je-24-bitove-audio-nepodstatne
• http://sk.pearller-es.com/news/does-lossy-and-lossless-sound-different-43148945.html
• https://www.dcs.fmph.uniba.sk/diplomovky/obhajene/getfile.php/dipl.pdf?id=107&fid=177&type=application%2Fpdf

3: DTS, Russian, 2.0 channels, 768kbps, 48kHz, dialnorm: 0dB

PS E:\> eac3to '.\Stalker.1979.NL.Lumiere Publishing.1080p.BluRay.-Loops.mkv' 3: stalker.flac -down16
PS E:\> eac3to '.\Stalker.1979.NL.Lumiere Publishing.1080p.BluRay.-Loops.mkv' 3: stalkerOK.flac -dontPatchDts

PS E:\> eac3to '.\Stalker.1979.NL.Lumiere Publishing.1080p.BluRay.-Loops.mkv' 3: stalker.aac '-quality=0.75'   # !!! in quotes !!!

2: AC3, Russian, 5.1 channels, 448kbps, 48kHz, dialnorm: -27dB
   "AC3 5.1 448k Mnogogoloska #1"
4: DTS, English, 5.1 channels, 1509kbps, 48kHz, dialnorm: 0dB
   "DTS Core 1536k"

eac3to .\The.Day.the.Earth.Stood.Still.1951.720p.BluRay.DoubleRus.Eng.HDCLUB.mkv 2: audio-rus.aac -downStereo '-quality=0.5'
eac3to .\The.Day.the.Earth.Stood.Still.1951.720p.BluRay.DoubleRus.Eng.HDCLUB.mkv 4: audio-eng.aac -downStereo '-quality=0.75'

• https://wiki.hydrogenaud.io/index.php?title=AAC_encoders
• Don't use AAC for anything other than mono or stereo
• https://github.com/nu774/qaac and https://github.com/AnimMouse/QTFiles/

• https://wiki.hydrogenaud.io/index.php?title=DTS
• https://wiki.hydrogenaud.io/index.php?title=DTS-HD

• https://github.com/Nevcairiel/LAVFilters/releases

• https://forum.doom9.org/showthread.php?t=181228

• https://github.com/SubtitleEdit/subtitleedit

• https://trac.ffmpeg.org/wiki/Encode/H.264
• https://trac.ffmpeg.org/wiki/Encode/H.265
• https://handbrake.fr/docs/en/latest/workflow/adjust-quality.html

• https://github.com/SynoCommunity/spksrc/wiki/FAQ-FFmpeg
• FFmpeg - The Ultimate Guide, Csaba Kopias
• https://dev.to/drsensor/list-of-helpful-ffmpeg-command-for-checking-capabilities-1110

• https://www.fastpix.io/blog/av1-vs-h-264-vs-h-265-best-codec-for-video-streaming
• https://www.tvfreak.cz/video-kodek-av1-zacina-rychle-zvysovat-svuj-podil-hevc-h-265-je-pomalejsi/7547

.\ffmpeg.exe -ss 00:00:02.000 -to 99:00:00 -i '.\movie.mp4' -c copy out.mp4

• YouTube video resolution & aspect ratios
• YouTube recommended upload encoding settings

ffmpeg -playlist 801 -i bluray:F:\Alien.1979.COMPLETE.UHD.BLURAY-COASTER\ -map 0:11 -acodec copy czech.ac3 -map 0:31 -scodec copy czech.sup

Blu-ray

• https://en.wikipedia.org/wiki/Blu-ray
• https://en.wikipedia.org/wiki/Ultra_HD_Blu-ray

Correct full name is Blu-ray Disc, shortened name is Blu-ray (not Blu-Ray) and abbreviation is BD (not BR or BRD).

Audio, video, and other streams are multiplexed and stored on Blu-ray in a container format based on the MPEG transport stream. It is also known as MPEG-2 transport stream and can use the filename extension .m2ts.

Supported video format: H.262/MPEG-2 Part 2, H.264/MPEG-4 Part 10, AVC, SMPTE VC-1 and H.265/MPEG-H Part 2, HEVC (only Ultra HD Blu-ray).
Supported audio format: Blu-ray#Audio wiki page.

• https://wiki.gentoo.org/wiki/Blu-ray

• https://yuhanmedia.com/resources/everything-you-should-know-about-bdmv-folder.html
• https://www.leawo.org/entips/blu-ray-folder-structure-to-create-a-blu-ray-folder-1373.html
• https://forum.doom9.org/showthread.php?t=141361
• https://www.easefab.com/handy-tips/copy-the-entire-blu-ray-to-bdmv-folder-without-protection.html

• https://filext.com/file-extension/M2TS

BDMV/
├── CLIPINF/
├── PLAYLIST/
├── STREAM/
├── index.bdmv
└── MovieObject.bdmv

BDMV/
├── BACKUP/            # backup, copy of CLIPINF and PLAYLIST dirs and 'index.bdmv' and 'MovieObject.bdmv' files
├── CLIPINF/
├── META/
├── PLAYLIST/
├── STREAM/
├── index.bdmv
└── MovieObject.bdmv   #

Iba .m2ts bez kapitol a bez language.
Iba .mpls basic info about video/audio/subtitles streams (including duration) and chapters

libbluray

Jeden z VideoLAN Projects je aj libbluray, reference open-source cross-platform library for Blu-Ray Discs access. Zdrojove kody pristupne na VideoLAN Git repo.

Fedora/RHEL distribuuje libbluray ako 4 baliky. Pre pracu s Blu-ray diskom (remux) je okrem samotneho libbluray balika uzitocny aj balik libbluray-utils, ktory obsahuje jednoduche utilities: bd_info, bd_list_titles a bd_splice.