Batch operation to convert .mkv file to HLS video format (based on Peer 5 guide)

Usage: mkv2hls -i <video_file> [args]

Commands:
  mkv2hls -i  converts file1.mkv into hls video parts

Options:
  -i, --input    .mkv file for conversion                             [required]
  -o, --output   output folder for conversion
  -h, --help     Show help                                             [boolean]
  -v, --version  Show version number                                   [boolean]

1. Install ffmpeg with aac audio support (e.g. homebrew-ffmpeg via homebrew )

   brew install ffmpeg
   brew tap homebrew-ffmpeg/ffmpeg
   brew install homebrew-ffmpeg/ffmpeg/ffmpeg --with-fdk-aac

2. Install MkvtoolNix for mkvmerge CLI application

   brew install mkvtoolnix
   

1. Downloads test5.mkv from Matroska test files from github

1. Analyzes mkv container file for tracks and subtitles
2. Converts video file to HLS via ffmpeg into:
   • m3u8 playlist
   • video parts split in chunks for each rendition
   • split audio tracks in chunks
   • subtitle parts split in chunks
3. Write master playlist
   1. file tag
   2. for each all audio tracks
   3. for each subtitle track
   4. for each rendition

• Creating a Production Ready Multi Bitrate HLS VOD stream

  • https://docs.peer5.com/guides/production-ready-hls-vod/

• misc/create-vod-hls.sh bash script

  • https://gist.github.com/mrbar42/ae111731906f958b396f30906004b3fa

• Subtitles, Captions, WebVTT, HLS, and those magic flags

  • https://mux.com/blog/subtitles-captions-webvtt-hls-and-those-magic-flags/

• MKVToolNix – Matroska tools for Linux/Unix and Windows

  • https://mkvtoolnix.download/

• Apple Streaming Examples

  • https://developer.apple.com/streaming/examples/

• HLS authoring rules for Apple Devices

  • https://developer.apple.com/documentation/http_live_streaming/hls_authoring_specification_for_apple_devices