From: DRC Date: Tue, 1 Jan 2013 10:47:02 +0000 (+0000) Subject: We now support the additional decompression scaling factors from jpeg-7 X-Git-Tag: 1.2.90~35 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e0634b15c31abecc4c74a71a97a99a1d778ec4be;p=libjpeg-turbo We now support the additional decompression scaling factors from jpeg-7 git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@882 632fc199-4ca6-4c93-a231-07263d6284db --- e0634b15c31abecc4c74a71a97a99a1d778ec4be diff --cc change.log index 2184109,729bca6..b60ddd6 --- a/change.log +++ b/change.log @@@ -46,6 -80,17 +46,9 @@@ Thank to Roberto Boni from Italy for th Version 7 27-Jun-2009 ---------------------- + New scaled DCTs implemented. + djpeg now supports scalings N/8 with all N from 1 to 16. -cjpeg now supports scalings 8/N with all N from 1 to 16. -Scaled DCTs with size larger than 8 are now also used for resolving the -common 2x2 chroma subsampling case without additional spatial resampling. -Separate spatial resampling for those kind of files is now only necessary -for N>8 scaling cases. -Furthermore, separate scaled DCT functions are provided for direct resolving -of the common asymmetric subsampling cases (2x1 and 1x2) without additional -spatial resampling. + cjpeg -quality option has been extended for support of separate quality settings for luminance and chrominance (or in general, for every provided quantization table slot).