Back-port the -subsamp option from 1.4 rather than use the hackish approach of replacing 4:2:2 with 4:4:0.  This has the added advantage of allowing the user to test only a specific level of subsampling.


git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1153 632fc199-4ca6-4c93-a231-07263d6284db
2 files changed