/*
*?This?source?code?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?of?the?License?or?（at?your?option）?any?later?version.
*
*?This?library?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?this?library;?if?not?write?to?the?Free?Software
*?Foundation?Inc.?59?Temple?Place?Suite?330?Boston?MA??02111-1307??USA
*
*?File?Name:?bits.c							
*
*?Reference:
*
*?Author:?Li?Feng??fli_linux@yahoo.com.cn?????????????????????????????????????????????????
*
*?Description:
*
*?	
*?
*?History:
*?02/23/2005??Li?Feng????Created
*??
*
*CodeReview?Log:
*?
*/
#include?
#include?
#include?
#include?
#include?“typedef.h“
#include?“bits.h“

int?unaligned32_be（const?void?*v）
{
	return?SWAP32（?（*（uint32_t*）（v）））;
}

void?init_get_bits（GetBitContext?*s
								?const?uint8_t?*buffer?int?bit_size）
{
????const?int?buffer_size=?（bit_size+7）>>3;
	
????s->buffer=?buffer;
????s->size_in_bits=?bit_size;
????s->buffer_end=?buffer?+?buffer_size;
????s->index=0;
????{
????????OPEN_READER（re?s）
		UPDATE_CACHE（re?s）
		UPDATE_CACHE（re?s）
		CLOSE_READER（re?s）
????}
}

void?skip_bits（GetBitContext?*s?int?n）
{
	//Note?gcc?seems?to?optimize?this?to?s->index+=n?for?the?ALT_READER?:））
????OPEN_READER（re?s）
	UPDATE_CACHE（re?s）
	LAST_SKIP_BITS（re?s?n）
	CLOSE_READER（re?s）
}


int?get_bits_count（GetBitContext?*s）
{
	return?s->index;
}

unsigned?int?get_bits（GetBitContext?*s?int?n）{
????register?int?tmp;
????OPEN_READER（re?s）
	UPDATE_CACHE（re?s）
	tmp=?SHOW_UBITS（re?s?n）;
????LAST_SKIP_BITS（re?s?n）
	CLOSE_READER（re?s）
	return?tmp;
}

unsigned?int?get_bits1（GetBitContext?*s）
{
????int?index=?s->index;
????uint8_t?result=?s->buffer[?index>>3?];
????result<<=?（index&0x07）;
????result>>=?8?-?1;
????index++;
????s->index=?index;
????return?result;
}


void?av_free（void?*ptr）
{
????/*?XXX:?this?test?should?not?be?needed?on?most?libcs?*/
????if?（ptr）
????????free（ptr）;
}


void?*av_mallocz（unsigned?int?size）
{
????void?*ptr;
????
????ptr?=?av_malloc（size）;
????if?（!ptr）
????????return?NULL;
????memset（ptr?0?size）;
????return?ptr;
}

void?*av_malloc（unsigned?int?size）
{
????void?*ptr;
????ptr?=?malloc（size）;
????return?ptr;
}


void?*av_fast_realloc（void?*ptr?unsigned?int?*size?unsigned?int?min_size）
{
????if（min_size?????????return?ptr;
????
????*size=?17*min_size/16?+?32;
	
????return?realloc（ptr?*size）;
}

static?unsigned?int?last_static?=?0;
static?unsigned?int?allocated_stati

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

?????文件???????3331??2005-11-14?10:45??libmp3dec\linux\bits.c

?????文件???????2952??2005-11-14?10:45??libmp3dec\linux\bits.h

?????文件??????76115??2005-11-14?10:46??libmp3dec\linux\libmp3dec.c

?????文件???????1706??2005-11-14?10:47??libmp3dec\linux\libmp3dec.h

?????文件????????585??2005-08-15?17:18??libmp3dec\linux\Makefile

?????文件???????4163??2005-11-14?10:47??libmp3dec\linux\mp3dec.h

?????文件??????30897??2005-11-14?10:47??libmp3dec\linux\mp3dectab.h

?????文件???????1548??2005-11-14?10:47??libmp3dec\linux\typedef.h

?????文件???????6019??2005-11-14?10:48??libmp3dec\linux\vlc.c

?????文件???????1479??2005-11-14?10:48??libmp3dec\linux\vlc.h

?????文件????????988??2005-11-15?14:04??libmp3dec\Readme.txt

?????文件???????1704??2005-11-14?10:48??libmp3dec\test_linux\libmp3dec.h

?????文件???????4362??2005-11-14?10:49??libmp3dec\test_linux\main.c

?????文件?????????50??2005-08-15?17:22??libmp3dec\test_linux\Makefile

?????文件???????1548??2005-11-14?10:49??libmp3dec\test_linux\typedef.h

?????文件????7657011??2013-08-27?14:28??libmp3dec\test_win\123.mp3

?????文件???33767468??2013-10-17?11:00??libmp3dec\test_win\123.wav

?????文件????3279480??2013-09-28?16:48??libmp3dec\test_win\8.mp3

?????文件??????????0??2013-10-22?19:23??libmp3dec\test_win\Debug\8.wav

?????文件????????644??2013-10-17?11:12??libmp3dec\test_win\Debug\cl.command.1.tlog

?????文件???????1290??2013-10-17?11:12??libmp3dec\test_win\Debug\CL.read.1.tlog

?????文件????????278??2013-10-17?11:12??libmp3dec\test_win\Debug\CL.write.1.tlog

?????文件?????545792??2013-10-17?10:40??libmp3dec\test_win\Debug\libmp3dec.dll

?????文件??????????2??2013-10-17?11:12??libmp3dec\test_win\Debug\link-cvtres.read.1.tlog

?????文件??????????2??2013-10-17?11:12??libmp3dec\test_win\Debug\link-cvtres.write.1.tlog

?????文件??????????2??2013-10-17?11:12??libmp3dec\test_win\Debug\link.9644-cvtres.read.1.tlog

?????文件??????????2??2013-10-17?11:12??libmp3dec\test_win\Debug\link.9644-cvtres.write.1.tlog

?????文件??????????2??2013-10-17?11:12??libmp3dec\test_win\Debug\link.9644.read.1.tlog

?????文件??????????2??2013-10-17?11:12??libmp3dec\test_win\Debug\link.9644.write.1.tlog

?????文件???????1364??2013-10-17?11:12??libmp3dec\test_win\Debug\link.command.1.tlog

............此處省略101個文件信息