/*?
?*?JPEG分析器
?*?JPEG?Analysis
?*
?*?雷霄驊?Lei?Xiaohua
?*?leixiaohua1020@126.com
?*?中國傳媒大學/數(shù)字電視技術(shù)
?*?Communication?University?of?China?/?Digital?TV?Technology
?*?http://blog.csdn.net/leixiaohua1020
?*
?*/
/*
?*?jidctflt.c
?*
?*?Copyright?（C）?1994-1998?Thomas?G.?Lane.
?*?This?file?is?part?of?the?Independent?JPEG?Group‘s?software.
?*
?*?The?authors?make?NO?WARRANTY?or?representation?either?express?or?implied
?*?with?respect?to?this?software?its?quality?accuracy?merchantability?or?
?*?fitness?for?a?particular?purpose.??This?software?is?provided?“AS?IS“?and?you
?*?its?user?assume?the?entire?risk?as?to?its?quality?and?accuracy.
?*
?*?This?software?is?copyright?（C）?1991-1998?Thomas?G.?Lane.
?*?All?Rights?Reserved?except?as?specified?below.
?*
?*?Permission?is?hereby?granted?to?use?copy?modify?and?distribute?this
?*?software?（or?portions?thereof）?for?any?purpose?without?fee?subject?to?these
?*?conditions:
?*?（1）?If?any?part?of?the?source?code?for?this?software?is?distributed?then?this
?*?README?file?must?be?included?with?this?copyright?and?no-warranty?notice
?*?unaltered;?and?any?additions?deletions?or?changes?to?the?original?files
?*?must?be?clearly?indicated?in?accompanying?documentation.
?*?（2）?If?only?executable?code?is?distributed?then?the?accompanying
?*?documentation?must?state?that?“this?software?is?based?in?part?on?the?work?of
?*?the?Independent?JPEG?Group“.
?*?（3）?Permission?for?use?of?this?software?is?granted?only?if?the?user?accepts
?*?full?responsibility?for?any?undesirable?consequences;?the?authors?accept
?*?NO?LIABILITY?for?damages?of?any?kind.
?*?
?*?These?conditions?apply?to?any?software?derived?from?or?based?on?the?IJG?code
?*?not?just?to?the?unmodified?library.??If?you?use?our?work?you?ought?to
?*?acknowledge?us.
?*?
?*?Permission?is?NOT?granted?for?the?use?of?any?IJG?author‘s?name?or?company?name
?*?in?advertising?or?publicity?relating?to?this?software?or?products?derived?from
?*?it.??This?software?may?be?referred?to?only?as?“the?Independent?JPEG?Group‘s
?*?software“.
?*?
?*?We?specifically?permit?and?encourage?the?use?of?this?software?as?the?basis?of
?*?commercial?products?provided?that?all?warranty?or?liability?claims?are
?*?assumed?by?the?product?vendor.
?*
?*
?*?This?file?contains?a?floating-point?implementation?of?the
?*?inverse?DCT?（Discrete?Cosine?Transform）.??In?the?IJG?code?this?routine
?*?must?also?perform?dequantization?of?the?input?coefficients.
?*
?*?This?implementation?should?be?more?accurate?than?either?of?the?integer
?*?IDCT?implementations.??However?it?may?not?give?the?same?results?on?all
?*?machines?because?of?differences?in?roundoff?behavior.??Speed?will?depend
?*?on?the?hardware‘s?floating?point?capacity.
?*
?*?A?2-D?IDCT?can?be?done?by?1-D?IDCT?on?each?column?followed?by?1-D?IDCT
?*?on?each?row?（or?vice?versa?but?it‘s?more?convenient?to?emit?a?row?at
?*?a?time）.??Direct?algorithms?are?also?available?but?they?are?much?more
?*?complex?and?seem?not?to?be?any?faster?when?reduced?t

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-08-12?23:52??SpecialVIJPG\
?????文件??????????58??2014-01-13?13:51??SpecialVIJPG\.gitignore
?????文件?????????753??2008-05-03?00:07??SpecialVIJPG\1stdint.h
?????文件??????123890??2014-01-13?13:33??SpecialVIJPG\cuc_view.jpg
?????文件???????10618??2014-07-07?16:25??SpecialVIJPG\jidctflt.cpp
?????文件???????55808??2011-05-03?15:35??SpecialVIJPG\jpeg_dec.opt
?????文件????????2382??2008-05-03?22:09??SpecialVIJPG\jpeg_dec.plg
?????文件???????11824??2014-07-07?16:25??SpecialVIJPG\loadjpeg.cpp
?????文件?????????339??2014-07-07?16:25??SpecialVIJPG\loadjpeg.h
?????文件????????1318??2007-06-09?10:28??SpecialVIJPG\Makefile
?????文件?????????242??2014-07-07?16:27??SpecialVIJPG\ReadMe.txt
?????目錄???????????0??2014-08-12?23:52??SpecialVIJPG\res\
?????文件????????3742??2014-07-08?22:37??SpecialVIJPG\resource.h
?????文件????????1270??2009-08-31?02:32??SpecialVIJPG\res\bitmap2.bmp
?????文件???????37416??2013-04-14?21:03??SpecialVIJPG\res\jpg.ico
?????文件????????9518??2013-04-14?20:05??SpecialVIJPG\res\jpg_ico.png
?????文件??????268856??2014-07-07?16:23??SpecialVIJPG\res\main_theme_jpeg.bmp
?????文件??????268856??2014-07-07?16:23??SpecialVIJPG\res\main_theme_jpeg_en.bmp
?????文件???????67777??2009-08-31?02:31??SpecialVIJPG\res\SpecialVIJPG.ico
?????文件?????????680??2013-04-14?17:02??SpecialVIJPG\res\SpecialVIJPG.rc2
?????文件??????623172??2014-07-08?22:45??SpecialVIJPG\SpecialVIJPG.aps
?????文件????????3202??2014-07-08?22:41??SpecialVIJPG\SpecialVIJPG.cpp
?????文件?????????689??2014-07-08?22:40??SpecialVIJPG\SpecialVIJPG.h
?????文件???????38082??2014-07-08?22:45??SpecialVIJPG\SpecialVIJPG.rc
?????文件?????????890??2014-01-13?13:36??SpecialVIJPG\SpecialVIJPG.sln
?????文件???????15872??2014-07-08?22:47??SpecialVIJPG\SpecialVIJPG.suo
?????文件????????6435??2014-07-07?16:21??SpecialVIJPG\SpecialVIJPG.vcxproj
?????文件????????3033??2014-01-06?15:49??SpecialVIJPG\SpecialVIJPG.vcxproj.filters
?????文件?????????143??2013-04-14?17:02??SpecialVIJPG\SpecialVIJPG.vcxproj.user
?????文件???????11070??2014-07-08?22:43??SpecialVIJPG\SpecialVIJPGDlg.cpp
?????文件????????1779??2014-07-08?22:41??SpecialVIJPG\SpecialVIJPGDlg.h
............此處省略8個文件信息