tree a16bfe33ffbc4ee34f45e8f9d22a3ec9bc251760
parent d523435e18dde75d936db8c15be2cc49cde3b1ac
author DRC <information@libjpeg-turbo.org> 1601897864 +0200
committer DRC <information@libjpeg-turbo.org> 1606263702 -0600

Use 5x5 win & 9 AC coeffs when smoothing DC scans

... of progressive images.

Based on:
https://github.com/mo271/libjpeg-turbo/commit/be8d36d13b79a472e56da0717ba067e6139bc0e1
https://github.com/mo271/libjpeg-turbo/commit/9d528f278ee3a5ba571c0b9ec4567c557614fb25
https://github.com/mo271/libjpeg-turbo/commit/85f36f0765ea2c28909fc4c0e570cd68d3a1ed85
https://github.com/mo271/libjpeg-turbo/commit/63a4d39e387f61bcb83b393838f436b410b97308
https://github.com/mo271/libjpeg-turbo/commit/51336a6ad5acb9379dc8e3e5e5758fd439224b7c

Closes #459
Closes #474