Drawing video colour bars with D3.js

Basic colourbars (SD)

Standard definition video, 4:3 aspect ratio.

Full size: 768x576 (‘square-pixel SD’ for 625-line/‘PAL’ video).

SMPTE colourbars (SD)

Standard definition video, 4:3 aspect ratio.

Full size: 768x576 (‘square-pixel SD’ for 625-line/‘PAL’ video).

ffmpeg's testsrc

Standard definition video, 5:4 aspect ratio.

Full size: 720x576 (square pixels).

SMPTE colourbars (HD)

High definition video (720p), 16:9 aspect ratio. Full size: 1280x720.

source code