Media Awesome

Player

• mpv
• vlc
• 命令行音乐播放器
  • cmus
    • cmus-remote
  • termusic
• MusicPlayerDaemon

Metadata

• Audio/Music
  • taglib/taglib
    • taglib.org
    • TagLib Audio Meta-Data Library
• Anime
  • anidb.net
    • anidb.net/group/15631
• Movie & Shows
  • www.imdb.com/interfaces
  • openmovie
  • TMDB www.themoviedb.org/documentation/api
• Subtitles
  • opensubtitle
  • www.media.io
• Artwork
  • Discogs www.discogs.com
  • Cover Art Archive coverartarchive.org

Music Server

• navidrome/navidrome
  • GPLv3, Go
  • Modern Music Server and Streamer compatible with Subsonic/Airsonic
• owntone/owntone-server
  • GPLv2, C+Vue
  • 🌟 推荐 - WebUI, 支持较多客户端
  • DAAP (iTunes), MPD (Music Player Daemon) and RSP (Roku) media server
  • forked-daapd
  • DAAP - Digital Audio Access Protocol
• sentriz/gonic
  • GPLv3, Golang
• epoupon/lms
  • GPLv3, C++
• blackcandy-org/black_candy
  • MIT, Ruby
• koel/koel
  • MIT, PHP+Laravel+Vue
  • koel/docker
  • koel/player
    • Mobile
• mopidy/mopidy
  • Apache-2.0, Python
• MusicPlayerDaemon/MPD
  • GPLvv2, C++
• nukeop/nuclear
  • AGPLv3, TS
  • Streaming music player that finds free music for you
• airsonic-advanced/airsonic-advanced
  • GPL-3.0, Java
• mpache/ampache
  • PHP
• Icecast
  • Ogg Vorbis and MP3 streaming media server
• Gerbera
  • UPnP media server
• Subsonic
• Airsonic
• ironsmile/euterpe
  • GPLv3, Go

Media Server

• jellyfin
  • GPLv2, C#
  • fork of Emby 3.5.2
  • 🌟 推荐 - 简单易用，开发活跃
• Plex
• Emby
  • $119/Lifetime
  • hub.docker.com/r/emby/embyserver
  • emby.media/premiere.html
• midarrlabs/midarr-server
  • MIT, Elixir
  • 类似 Radarr, Sonarr
  • 使用现有的 Plex, Jellyfin, Emby
• Dusk-Labs/dim
  • AGPLv3, Rust
• olaris/olaris-server
  • GPLv3, Go
• advplyr/audiobookshelf
  • GPLv3, JS, Vue
• Radarr/Radarr
  • GPLv3, C#
  • fork of Sonarr
  • Movie organizer/manager for usenet and torrent users.
• Sonarr/Sonarr
  • GPLv3, C#
  • PVR for newsgroup and bittorrent users
• Red5/red5-server
  • Apache-2.0, Java
• ant-media/Ant-Media-Server
  • GPL-3.0, Java
    • Red5 fork
• Wizarrrr/wizarr
  • user invitation and management system for Jellyfin, Plex, Emby
• causefx/Organizr
• streamaserver/streama
• Kareadita/Kavita
  • 漫画

Video Server

• ossrs/srs
  • MIT, C++
  • RTMP, WebRTC, SRT, GB28181, HLS, HTTP-FLV
• illuspas/Node-Media-Server
• bluenviron/mediamtx

Streaming

• Web/Client
  • xqq/mpegts.js
    • Apache-2.0, JS, TS
    • HTML5 MPEG2-TS / FLV Stream Player
  • bilibili/flv.js
    • Apache-2.0, JS
  • mediaelement/mediaelement
    • HTML5 audio, video
    • 支持 MP4, WebM, MP3
    • 支持 HLS, Dash, YouTube, Facebook, SoundCloud
    • www.mediaelementjs.com

Converter

• ffmpegwasm/ffmpeg.wasm
  • MIT, C, TS
  • ffmpegwasm.netlify.app/playground
  • ffmpeg-web.netlify.app
• C4illin/ConvertX
  • AGPLv3, TS
  • based on libjxl, resvg, vips, libheif, xelatex, calibre, pandoc, GraphicsMagick, inkscape, assimp, ffmpeg
• vididoo.vercel.app

Library

• livekit/livekit
  • Golang

Container

• Matroska
  • mkv - viedo
  • mka - audio
  • mks - subtitle
  • mk3d - stereoscopic/3d video
  • webm 的基础

Formats

Audio

• amr - Adaptive Multi-Rate
  • 专为语音编码设计的压缩格式
  • 用于移动电话和语音
    • 能够根据网络条件和通话质量自适应地调整编码速率
    • 保持相对较低的数据传输速率的同时，最大限度地提高语音质量。
  • AMR-NB（Narrowband）
  • AMR-WB（Wideband）
  • 3GPP标准化
• mp3
• ac3
• aac
• opus
  • since 2012
  • 非常适合人声
  • 目前主流平台都支持
  • Rillke/opusenc.js
• Ogg Vorbis
  • zero licensing costs
• .dff
  • Direct Stream Digital - DSD
  • by Sony and Philips for Super Audio CD - SACD
  • DST - Direct Stream Transfer 压缩
  • wikipedia Direct Stream Digital
• 音乐大多 44.1
• 48 <-> 44.1 无法很好 resample
• support.spotify.com/us/article/audio-quality
  • AAC 128kbit/s
  • AAC 256kbit/s
• Audio file formats for Spotify
  • FLAC/WAV
  • Ogg/Vorbis (96, 160, 320 kbps)
  • AAC (128, 256 kbps)
  • HE-AACv2 (24kbps)
• Youtube Music Audio Quality
  • 48kbps AAC
  • 128kbps AAC
  • 256kbps AAC
• superuser.com/questions/1049075
• Low-Bitrate
  • TSAC
    • Very Low Bitrate Audio Compression
  • google/lyra
    • Apache-2.0, C++
    • Very Low-Bitrate Codec for Speech
  • MLow: Meta’s low bitrate audio codec

Image

• 矢量
  • .svg, .pdf, .eps, .ai
  • emf
    • Windows Enhanced Metafile
• 相机原始数据格式:
  • 相机传感器记录的最原始、未经处理的数据
  • .CR2, .CR3 (Canon), .NEF (Nikon), .ARW (Sony)
    • 各大相机厂商自己的私有RAW格式
  • .dng - (Digital Negative)
    • by Adobe
    • 标准化 RAW 格式
• 软件专用/工程文件格式
  • .psd - Photoshop Document
  • .xcf - GIMP
• 专用格式
  • .icns - macOS 图标文件
  • .ico - Windows 图标文件
  • .icb, .tga - Targa 图像文件
    • 游戏开发、三维动画

• GoogleChromeLabs/squoosh
  • squoosh.app
  • 对比不同算法
• storage.googleapis.com/demos.webmproject.org/webp/cmp/2021_08_10/index.html
• storage.googleapis.com/demos.webmproject.org/webp/cmp/2021_06_08/plots.html
  • bpp - bits per pixel
• web.dev/fast
• Tools
  • libvips/libvips
    • fast image processing library
    • libvips/nip2
      • spreadsheet-like GUI for libvips
  • lovell/sharp
    • Node.js image processing
    • 底层基于 vips
  • online butteraugli
• Service
  • thumbor/thumbor
    • MIT, Python
    • photo thumbnail service
  • imgproxy
    • MIT, Go
    • JPEG, PNG, WebP, AVIF, GIF, SVG, ICO, HEIC, BMP, TIFF, and animated GIF and WebP
  • cshum/imagor
    • Apache-2.0, Go
    • jpeg, png, gif, webp, tiff, avif, jp2, pdf
  • cactus/go-camo
    • MIT, Go
  • joe-bell/plaiceholder
    • 生成 blur dataURL
    • strapi-plugin-placeholder
  • thoas/picfit resizing server
    • 开发停滞
  • cshum/imagorvideo
    • Apache-2.0, Go
    • video thumbnail
• optimizer
  • Optimizilla
  • TinyPNG
  • TinyJPG
  • Squoosh
  • jpegtran
  • pngquant
  • imagemin
  • jamsinclair/jSquash
    • WebAssembly image codecs
    • 从 Squoosh 提取
• eval
  • cloudinary/ssimulacra2
    • BSD-3, C++
    • SSIMULACRA 2 - Structural SIMilarity Unveiling Local And Compression Related Artifacts
  • google/butteraugli
    • Apache-2.0, C++
    • HVS-aware image differences
• image difference metrics - RD - rate distortion
  • butteraugli
    • good detail retention and best color
    • slower than PSNR
    • 8b image
  • SSIM
    • better detail retention, worse color handling
    • 支持 8b, 10b, 16b
  • PSNR
  • PSNRHVS-M
  • MAE
  • FUZZ
  • NCC
  • SSIMULACRA
• AVIF
  • AV1 的图片格式
• WebP is superior below quality 70
• JPEG is often better than WebP at quality 90 and above
• psycho-visual quality - 心理视觉质量
• YUV/RGB 4:4
  /4:2
  - Chroma subsampling
  • nearly always 4:4
    originally
  • 4:4
    /4:2
    , RGB and lossless isn't supported by main profile HW decoders
  • no image editor works in 4:2
  • JPEG compression, 4:2
    can be useful
  • modern codecs 4:2
    is not really useful anymore from the compression point of view
  • twitter.com/kornelski/status/1328786564416200709
  • netflixtechblog.com/avif-for-next-generation-image-coding-b1d75675fe4
• compression ratio = uncompressed size / compressed size
• Lossless Image Compression in O(n) Time
  • HN
• 参考
  • www.lossless-benchmarks.com
  • WangXuan95/Image-Compression-Benchmark

# squoosh 可通过命令行使用
npx @squoosh/cli --wp2 '{"effort":5,"quality":100,"alpha_quality":95,"pass":1,"sns":50,"uv_mode":3,"csp_type":0,"error_diffusion":0,"use_random_matrix":false}'

Metrics

• How to compare images fairly
• ece.uwaterloo.ca/~z70wang/research/ssim
• cloudinary.com/labs/cid22/plots
• cloudinary.com/blog/jpeg-xl-and-the-pareto-front
• almanac.httparchive.org/en/2024/media
  • 2022 -> 2024
    • format: jpeg -20%, webp+34%, svg+36%, avif+386%
  • bpp: webp 1.1, avif 1.2, jpeg 2.0, png 3.9
• almanac.httparchive.org/en/2024/media

# 使用 ImageMagick 比较图片
#  SSIM (结构相似性指数)  越高越好 (0-1)
magick compare -metric SSIM original.png compressed.jpg diff.png
# 计算 PSNR (峰值信噪比) 越高越好
magick compare -metric PSNR original.png compressed.jpg diff.png

# 心理视觉
# 越低越好, 0-1.0+
butteraugli original.png compressed.jpg

# https://github.com/cloudinary/ssimulacra2
# -inf..100
ssimulacra2 original.png compressed.jpg

JPEG

• jpeg.org
• impl/encoder/decoder/实现/编码/解码
  • mozilla/mozjpeg
    • patch for libjpeg-turbo
  • google/jpegli
    • BSD-3, C++
    • 参考
      • gen2brain/jpegli
        • BSD-3, Go
        • wasm, wazero rt
        • Go encoder/decoder for JPEG based on jpegli
      • optimize.photos
  • google/brunsli
    • 用于 Google Photos 节省空间
    • 无损 JPEG 重压 - 被包含到 JPEG-XL
    • lossless JPEG recompression
    • brunsli.dev
      • 实测 16 MB -> 14 MB
  • google/guetzli
    • JPEG encoder with denser packing
    • perceptual JPEG encoder
    • Wikipedia:Guetzli
  • google/knusperli
    • Apache-2.0, C++
    • deblocking JPEG decoder
  • libjpeg-turbo/libjpeg-turbo
    • BSD-3, C
    • SIMD 加速
• google/pik
  • MIT, C++
  • JPEG variant
• danielgtaylor/jpeg-archive
  • archiving JPEGs for long term storage
• cloudinary.com/blog/time_for_next_gen_codecs_to_dethrone_jpeg
• dropbox/lepton

JPEG-XL

• libjxl/libjxl
  • BSD-3, C++

EBook

• cb? - Comic Book Archive file - 漫画
  • r - RAR
  • z - ZIP
  • 7 - 7z
  • t - tar
  • a - ACE
• .chm - Compiled HTML
• .djvu
  • scanned documents
• Kindle - .azw; .azw3 or .kf8; .kfx
• Mobipocket - .prc, .mobi

• Retirement of Amazon MOBI eBook file format
  • HN
• janeczku/calibre-web
• Comparison of e-book formats

Playlist

• m3u8

Metadata

• nfo

Misc

Tools

• nanozuki/dantalian
• nilaoda/N_m3u8DL-CLI
• yuanqing/vdx
• MiSTer-devel/Presets_MiSTer
• exiftool
  • 不能 write mkv
• mkvtoolnix
  • mkvtoolnix.download/doc/mkvpropedit.html
• mediainfo

exiftool -ext mp4 -Title= /path/to/files/

# mkvtoolnix
mkvpropedit -l # 属性列表

mkvinfo input.mkv
mkvpropedit input.mkv --tags all:                   # 移除所有 tag
mkvpropedit input.mkv -d title                      # 删除 title
mkvpropedit input.mkv --edit track:v1 --delete name # 删除 track:v1 的名字

for i in *.mkv; do mkvpropedit $i -d title; done
for i in *.mkv; do mkvpropedit $i --edit track:v1 --delete name; done

Protocol

• DLNA
• UPnP
• HLS
• Streaming MP3

Online

• bigjpg.com
  • 图片放大
• jpghd.com
  • 黑白照片上色
• remover.zmo.ai
  • 去水印

ML

• AaronFeng753/Waifu2x-Extension-GUI
  • 图片放大

Awesome

• CoderLine/alphaTab
  • MPL-2.0, TS
  • cross platform music notation and guitar tablature rendering