/*?Copyright?（C）?1994?MPEG?Software?Simulation?Group.?All?Rights?Reserved.?*/

/*
?*?Disclaimer?of?Warranty
?*
?*?These?software?programs?are?available?to?the?user?without?any?license?fee?or
?*?royalty?on?an?“as?is“?basis.??The?MPEG?Software?Simulation?Group?disclaims
?*?any?and?all?warranties?whether?express?implied?or?statuary?including?any
?*?implied?warranties?or?merchantability?or?of?fitness?for?a?particular
?*?purpose.??In?no?event?shall?the?copyright-holder?be?liable?for?any
?*?incidental?punitive?or?consequential?damages?of?any?kind?whatsoever
?*?arising?from?the?use?of?these?programs.
?*
?*?This?disclaimer?of?warranty?extends?to?the?user?of?these?programs?and?user‘s
?*?customers?employees?agents?transferees?successors?and?assigns.
?*
?*?The?MPEG?Software?Simulation?Group?does?not?represent?or?warrant?that?the
?*?programs?furnished?hereunder?are?free?of?infringement?of?any?third-party
?*?patents.
?*
?*?Commercial?implementations?of?MPEG-1?and?MPEG-2?video?including?shareware
?*?are?subject?to?royalty?fees?to?patent?holders.??Many?of?these?patents?are
?*?general?enough?such?that?they?are?unavoidable?regardless?of?implementation
?*?design.
?*
?*/


?/*?these?routines?are?closely?modeled?after?those?from
??*?mpeg_play?2.0?by?the?Berkeley?Plateau?Research?Group
??*/

#include?
#include?
#include?

#include?“config.h“
#include?“global.h“

/*?private?prototypes?*/
static?void?ditherframe?_ANSI_ARGS_（（unsigned?char?*src[]））;
static?void?dithertop?_ANSI_ARGS_（（unsigned?char?*src[]?unsigned?char?*dst））;
static?void?ditherbot?_ANSI_ARGS_（（unsigned?char?*src[]?unsigned?char?*dst））;
static?void?dithertop420?_ANSI_ARGS_（（unsigned?char?*src[]?unsigned?char?*dst））;
static?void?ditherbot420?_ANSI_ARGS_（（unsigned?char?*src[]?unsigned?char?*dst））;
static?void?ditherframeRGB?_ANSI_ARGS_（（unsigned?char?*src[]））;
static?void?dithertopRGB?_ANSI_ARGS_（（unsigned?char?*src[]?unsigned?char?*dst））;
static?void?ditherbotRGB?_ANSI_ARGS_（（unsigned?char?*src[]?unsigned?char?*dst））;
static?void?init_ditherRGB?_ANSI_ARGS_（（void））;

/*?local?data?*/
static?unsigned?char?*dithered_image?*dithered_image2;

static?unsigned?char?ytab[256+16];
static?unsigned?char?utab[128+16];
static?unsigned?char?vtab[128+16];
static?unsigned?char?pixel[256];

typedef?void?（*DITHER_frame_FUNC）（unsigned?char?**）;
typedef?void?（*DITHER_FIELD_FUNC）（unsigned?char?**unsigned?char?*）;
static?DITHER_frame_FUNC?dither_frame;
static?DITHER_FIELD_FUNC?dither_even?dither_odd;

/*?color?space?conversion?coefficients
?*
?*?entries?are?{crvcbucgucgv}
?*
?*?crv=（255/224）*65536*（1-cr）/0.5
?*?cbu=（255/224）*65536*（1-cb）/0.5
?*?cgu=（255/224）*65536*（cb/cg）*（1-cb）/0.5
?*?cgv=（255/224）*65536*（cr/cg）*（1-cr）/0.5
?*
?*?where?Y=cr*R+cg*G+cb*B?（cr+cg+cb=1）
?*/
/*
int?convmat[8][4]?=?{
??{117504?138453?13954?34903}?/*?no?sequence_display_extension?*/
/*??{117504?138453?13954?34903}?/*?ITU-R?Rec.?709?（1990）?*/
/*??{104597?132201?25675?53279}?/*?unspecifi

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????36864??1993-11-30?10:44??mpeg2\bin\emu387

?????文件?????131072??1994-07-01?15:05??mpeg2\bin\mpeg2dec.exe

?????文件?????151552??1994-07-01?15:06??mpeg2\bin\mpeg2enc.exe

?????文件???????2316??1994-07-01?15:12??mpeg2\bin\readme.pc

?????文件???????6708??1994-06-28?13:57??mpeg2\doc\ARCHITECTURE

?????文件?????????85??1994-07-04?13:23??mpeg2\doc\BUGS

?????文件???????7718??1994-06-26?20:36??mpeg2\doc\mpeg2dec.doc

?????文件??????24606??1994-06-26?20:17??mpeg2\doc\mpeg2enc.doc

?????文件???????2363??1996-07-20?00:35??mpeg2\Makefile

?????文件??????24368??1994-07-15?06:13??mpeg2\mpeg2ply\display.c

?????文件????????965??1994-07-15?07:32??mpeg2\mpeg2ply\gui.h

?????文件???????3586??1994-07-16?12:58??mpeg2\mpeg2ply\makefile

?????文件??????21446??1994-07-16?12:57??mpeg2\mpeg2ply\mpeg2ply.c

?????文件??????69632??1994-07-16?12:59??mpeg2\mpeg2ply\mpeg2ply.exe

?????文件???????3221??1994-07-15?08:09??mpeg2\mpeg2ply\mpeg2ply.rc

?????文件????????689??1994-07-15?07:31??mpeg2\mpeg2ply\resource.h

?????文件?????????59??2018-07-06?15:51??mpeg2\par\1.M1V

?????文件????????192??1994-05-13?17:10??mpeg2\par\inter.mat

?????文件????????192??1994-05-13?17:08??mpeg2\par\intra.mat

?????文件???????3004??1994-07-04?12:24??mpeg2\par\MPEG-1.par

?????文件???????3003??1994-07-04?12:24??mpeg2\par\NTSC.par

?????文件???????3003??1994-07-04?12:25??mpeg2\par\PAL.par

?????文件????????565??2018-07-06?15:51??mpeg2\par\stat.out

?????文件???????8722??1996-07-21?01:50??mpeg2\README

?????文件????????735??2002-09-15?19:47??mpeg2\readme.txt

?????文件??????32768??2017-06-15?12:40??mpeg2\src\mpeg2dec\.SIF

?????文件???????4096??2017-06-15?12:41??mpeg2\src\mpeg2dec\.U

?????文件???????4096??2017-06-15?12:41??mpeg2\src\mpeg2dec\.V

?????文件??????16384??2017-06-15?12:41??mpeg2\src\mpeg2dec\.Y

?????文件???????2747??1996-07-19?23:04??mpeg2\src\mpeg2dec\CHANGES

............此處省略105個文件信息