This is a video about video
Follow me on Mastodon: https://hachyderm.io/@fasterthanlime
Support me on Patreon or GitHub: https://fasterthanli.me/donate
What's in an MP4 file? How is video encoded? Who would build their own video streaming platform? And why?? Oh gosh why.
00:00 I'd like to tell you a story
01:42 The quest for 4K60
05:13 Almost, but not quite 60FPS
07:36 Making my own player
09:34 Video streaming crash course
13:32 The structure of an MP4 file
16:55 MPEG-DASH, codecs, and bitrates
19:24 Measuring image quality (PSNR, VMAF)
21:23 Adaptive Bitrate Streaming (fragments/segments)
22:52 Vibe check
23:58 Demo, init and index segments
27:04 Frame types, optimizing the pipeline
31:25 Frame re-ordering, DTS vs PTS, GOP
37:11 Fragmenting is hard, let's go shopping
38:53 Play me off, Johnny
Why is TV 29.97 FPS by Stand-Up Maths: • Why is TV 29.97 frames per second?