~/talk

What's in the box?!

Talkat Demuxed 2015 · on Monday, 2015-10-05· [web-platform, web-performance]
slides:none on file

Shows exact MP4 internals and hands-on commands: uses Bento4 tools (mp4dump, mp4edit, mp4fragment, mp4.py), MediaInfo and hexedit to remove the ftyp and moov boxes, strip a track, and fragment to 4000 ms producing repeating moof+mdat pairs. Generates a sidx and an MPD (MPEG‑DASH on‑demand) with init and index byte ranges, deploys files to a local web server, and verifies playback in players after fixing CORS; the produced fMP4-based DASH VOD works.

AI-written summary · about

  1. 0:00Intro
  2. 1:42History
  3. 2:50Diagram
  4. 4:18Getting started
  5. 5:06Getting an MP4
  6. 7:33Whats in the box
  7. 7:57MP4 edits
  8. 10:25Moving
  9. 10:44MP4 Dump
  10. 13:08Smooth Streaming
  11. 13:54MP4 Fragment
  12. 15:06Options
  13. 16:00MP4Py
  14. 18:15MPEGManifest
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