.y4m

YUV4MPEG2 raw video stream, read by ffmpeg and video processing tools

Not yet supported

Format facts

MIME type: video/x-yuv4mpeg2
Apple UTI: custom
Stock Quick Look: shown as plain text
Planned approach (census): metadata-only
Icon hint: generic-icon
Prevalence: niche

Renderer note (from the census)

parse header for frame size and rate

Gotchas: uncompressed raw video wrapper