/*
?*?drawtext.c:?print?text?over?the?screen
?******************************************************************************
?*?Options:
?*?-f?????font?filename?（MANDATORY!!!）
?*?-s???font?size?in?pixels?[default?16]
?*?-b???????????????print?background
?*?-o???????????????outline?glyphs?（use?the?bg?color）
?*?-x??????????x?position?（?>=?0）?[default?0]
?*?-y??????????y?position?（?>=?0）?[default?0]
?*?-t?????????text?to?print?（will?be?passed?to?strftime（））
?*??????????????????MANDATORY:?will?be?used?even?when?-T?is?used.
?*??????????????????in?this?case?-t?will?be?used?if?some?error
?*??????????????????occurs
?*?-T?????file?with?the?text?（re-read?every?frame）
?*?-c?<#RRGGBB>?????foreground?color?（‘internet‘?way）?[default?#ffffff]
?*?-C?<#RRGGBB>?????background?color?（‘internet‘?way）?[default?#000000]
?*
?******************************************************************************
?*?Features:
?*?-?True?Type?Type1?and?others?via?FreeType2?library
?*?-?Font?kerning?（better?output）
?*?-?Line?Wrap?（if?the?text?doesn‘t?fit?the?next?char?go?to?the?next?line）
?*?-?Background?box
?*?-?Outline
?******************************************************************************
?*?Author:?Gustavo?Sverzut?Barbieri?
?*
?*?This?file?is?part?of?FFmpeg.
?*
?*?FFmpeg?is?free?software;?you?can?redistribute?it?and/or
?*?modify?it?under?the?terms?of?the?GNU?Lesser?General?Public
?*?License?as?published?by?the?Free?Software?Foundation;?either
?*?version?2.1?of?the?License?or?（at?your?option）?any?later?version.
?*
?*?FFmpeg?is?distributed?in?the?hope?that?it?will?be?useful
?*?but?WITHOUT?ANY?WARRANTY;?without?even?the?implied?warranty?of
?*?MERCHANTABILITY?or?FITNESS?FOR?A?PARTICULAR?PURPOSE.??See?the?GNU
?*?Lesser?General?Public?License?for?more?details.
?*
?*?You?should?have?received?a?copy?of?the?GNU?Lesser?General?Public
?*?License?along?with?FFmpeg;?if?not?write?to?the?Free?Software
?*?Foundation?Inc.?51?Franklin?Street?Fifth?Floor?Boston?MA?02110-1301?USA
?*/

#define?MAXSIZE_TEXT?1024

#include?“framehook.h“

#include?
#include?
#include?
#include?
#include?
#include?
#undef?time
#include?
#include?

#include?
#include?FT_FREETYPE_H
#include?FT_GLYPH_H

#define?SCALEBITS?10
#define?ONE_HALF??（1?<#define?FIX（x）????（（int）?（（x）?*?（1<
#define?RGB_TO_YUV（rgb_color?yuv_color）?do?{?\
??yuv_color[0]?=?（FIX（0.29900）????*?rgb_color[0]?+?FIX（0.58700）?*?rgb_color[1]?+?FIX（0.11400）?*?rgb_color[2]?+?ONE_HALF）?>>?SCALEBITS;?\
??yuv_color[2]?=?（（FIX（0.50000）???*?rgb_color[0]?-?FIX（0.41869）?*?rgb_color[1]?-?FIX（0.08131）?*?rgb_color[2]?+?ONE_HALF?-?1）?>>?SCALEBITS）?+?128;?\
??yuv_color[1]?=?（（-?FIX（0.16874）?*?rgb_color[0]?-?FIX（0.33126）?*?rgb_color[1]?+?FIX（0.50000）?*?rgb_color[2]?+?ONE_HALF?-?1）?>>?SCAL

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2007-10-01?21:31??shared_ffmpeg\ffmpeg\
?????文件?????7876608??2007-09-11?10:02??shared_ffmpeg\ffmpeg\avcodec-51.dll
?????文件??????555520??2007-09-11?10:02??shared_ffmpeg\ffmpeg\avformat-51.dll
?????文件???????28672??2007-09-11?10:02??shared_ffmpeg\ffmpeg\avutil-49.dll
?????目錄???????????0??2007-10-01?21:31??shared_ffmpeg\ffmpeg\bin\
?????目錄???????????0??2007-10-01?21:31??shared_ffmpeg\ffmpeg\doc\
?????文件???????22005??2007-05-14?01:15??shared_ffmpeg\ffmpeg\doc\faq.html
?????文件???????77138??2007-05-14?01:15??shared_ffmpeg\ffmpeg\doc\ffmpeg-doc.html
?????文件????????3712??2007-05-14?01:15??shared_ffmpeg\ffmpeg\doc\ffplay-doc.html
?????文件???????69120??2007-09-11?10:02??shared_ffmpeg\ffmpeg\ffmpeg.exe
?????文件???????37888??2007-09-11?10:02??shared_ffmpeg\ffmpeg\ffplay.exe
?????文件???????18327??2006-12-03?07:47??shared_ffmpeg\ffmpeg\GPL.txt
?????目錄???????????0??2007-10-01?21:31??shared_ffmpeg\ffmpeg\imlib2\
?????目錄???????????0??2007-10-01?21:31??shared_ffmpeg\ffmpeg\imlib2\filters\
?????文件???????10240??2007-09-11?10:03??shared_ffmpeg\ffmpeg\imlib2\filters\bumpmap.dll
?????文件????????8704??2007-09-11?10:03??shared_ffmpeg\ffmpeg\imlib2\filters\colormod.dll
?????文件????????7680??2007-09-11?10:03??shared_ffmpeg\ffmpeg\imlib2\filters\testfilter.dll
?????目錄???????????0??2007-10-01?21:31??shared_ffmpeg\ffmpeg\imlib2\loaders\
?????文件????????6656??2007-09-11?10:03??shared_ffmpeg\ffmpeg\imlib2\loaders\argb.dll
?????文件???????12800??2007-09-11?10:03??shared_ffmpeg\ffmpeg\imlib2\loaders\bmp.dll
?????文件??????113152??2007-09-11?10:03??shared_ffmpeg\ffmpeg\imlib2\loaders\jpeg.dll
?????文件???????10240??2007-09-11?10:03??shared_ffmpeg\ffmpeg\imlib2\loaders\lbm.dll
?????文件???????10240??2007-09-11?10:03??shared_ffmpeg\ffmpeg\imlib2\loaders\png.dll
?????文件???????12800??2007-09-11?10:03??shared_ffmpeg\ffmpeg\imlib2\loaders\pnm.dll
?????文件????????9216??2007-09-11?10:03??shared_ffmpeg\ffmpeg\imlib2\loaders\tiff.dll
?????文件???????11776??2007-09-11?10:03??shared_ffmpeg\ffmpeg\imlib2\loaders\xpm.dll
?????文件??????443392??2007-09-11?10:02??shared_ffmpeg\ffmpeg\libfreetype-6.dll
?????文件??????182784??2007-09-11?10:02??shared_ffmpeg\ffmpeg\libImlib2-1.dll
?????文件??????182784??2007-09-11?10:02??shared_ffmpeg\ffmpeg\libpng-3.dll
?????文件??????477184??2007-09-11?10:02??shared_ffmpeg\ffmpeg\libtiff-3.dll
?????文件???????25600??2007-09-11?10:02??shared_ffmpeg\ffmpeg\libungif-4.dll
............此處省略664個文件信息