#include?“stdafx.h“
#include?“AudioCode.h“

extern?“C“?void?va_g729a_init_encoder（）;
extern?“C“?void?va_g729a_encoder（short?*speech?unsigned?char?*bitstream）;
extern?“C“?void?va_g729a_init_decoder（）;
extern?“C“?void?va_g729a_decoder（unsigned?char?*bitstream?short?*synth_short?int?bfi）;
#define??L_frame_COMPRESSED?10
#define??L_frame????????????80
//包含動(dòng)態(tài)鏈接庫
#pragma?comment（lib“G729a“）

//構(gòu)造函數(shù)
CAudioCode::CAudioCode（）
{
	va_g729a_init_encoder（）;//初始化編碼器
	va_g729a_init_decoder（）;//初始化解碼器
}

//析構(gòu)函數(shù)
CAudioCode::~CAudioCode（）
{
}

//編碼音頻數(shù)據(jù)
BOOL?CAudioCode::EncodeAudioData（char?*pinint?lenchar*?poutint*?lenr）
{
	//編碼成功與否標(biāo)記
	BOOL?bRet=FALSE;

	//無效輸入或輸出
	if（!pin||len!=SIZE_AUDIO_frame||!pout）
		goto?RET;
	
	//分塊進(jìn)行編碼
	va_g729a_encoder（（short*）pin（BYTE*）pout）;
	va_g729a_encoder（（short*）（pin+160）（BYTE*）pout+10）;
	va_g729a_encoder（（short*）（pin+320）（BYTE*）pout+20）;
	va_g729a_encoder（（short*）（pin+480）（BYTE*）pout+30）;
	va_g729a_encoder（（short*）（pin+640）（BYTE*）pout+40）;
	va_g729a_encoder（（short*）（pin+800）（BYTE*）pout+50）;

	//編碼長度
	if（lenr）
		*lenr=SIZE_AUDIO_PACKED;
	//編碼成功標(biāo)記
	bRet=TRUE;
RET:
	//返回
	return?bRet;
}

//音頻解碼
BOOL?CAudioCode::DecodeAudioData（char?*pinint?lenchar*?poutint*?lenr）
{
	//解碼成功與否標(biāo)記
	BOOL?bRet=FALSE;

	//無效輸入或輸出
	if（!pin||len!=SIZE_AUDIO_PACKED||!pout）
		goto?RET;

	//分塊解碼
	va_g729a_decoder（（BYTE*）pin（short*）（pout）0）;
	va_g729a_decoder（（BYTE*）pin+10（short*）（pout+160）0）;
	va_g729a_decoder（（BYTE*）pin+20（short*）（pout+320）0）;
	va_g729a_decoder（（BYTE*）pin+30（short*）（pout+480）0）;
	va_g729a_decoder（（BYTE*）pin+40（short*）（pout+640）0）;
	va_g729a_decoder（（BYTE*）pin+50（short*）（pout+800）0）;

	//解碼長度
	if（lenr）
		*lenr=SIZE_AUDIO_frame;
	
	//設(shè)置解碼成功標(biāo)記
	bRet=TRUE;
RET:
	//返回
	return?bRet;
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????1918??2003-08-02?10:59??音頻通信\Dll\AudioCode.cpp

?????文件????????667??2003-08-02?10:59??音頻通信\Dll\AudioCode.h

?????文件???????2963??2003-08-02?10:59??音頻通信\Dll\ClientSocket.cpp

?????文件???????1461??2003-08-02?10:59??音頻通信\Dll\ClientSocket.h

?????文件???????9604??2010-04-24?01:29??音頻通信\Dll\Debug\AudioCode.obj

?????文件??????????0??2010-04-24?01:29??音頻通信\Dll\Debug\AudioCode.sbr

?????文件??????17374??2010-04-24?01:29??音頻通信\Dll\Debug\BuildLog.htm

?????文件??????25153??2010-04-24?01:29??音頻通信\Dll\Debug\ClientSocket.obj

?????文件??????????0??2010-04-24?01:29??音頻通信\Dll\Debug\ClientSocket.sbr

?????文件??????46039??2010-04-24?01:29??音頻通信\Dll\Debug\Interface.obj

?????文件??????????0??2010-04-24?01:29??音頻通信\Dll\Debug\Interface.sbr

?????文件??????23522??2010-04-24?01:29??音頻通信\Dll\Debug\ListenSocket.obj

?????文件??????????0??2010-04-24?01:29??音頻通信\Dll\Debug\ListenSocket.sbr

?????文件?????????67??2010-04-24?01:29??音頻通信\Dll\Debug\mt.dep

?????文件??????13340??2010-04-24?01:29??音頻通信\Dll\Debug\MyWaveIn.obj

?????文件??????????0??2010-04-24?01:29??音頻通信\Dll\Debug\MyWaveIn.sbr

?????文件??????17611??2010-04-24?01:29??音頻通信\Dll\Debug\RecSocket.obj

?????文件??????????0??2010-04-24?01:29??音頻通信\Dll\Debug\RecSocket.sbr

?????文件??????23926??2010-04-24?01:29??音頻通信\Dll\Debug\SendClient.obj

?????文件??????????0??2010-04-24?01:29??音頻通信\Dll\Debug\SendClient.sbr

?????文件??????16948??2010-04-24?01:29??音頻通信\Dll\Debug\SortData.obj

?????文件??????????0??2010-04-24?01:29??音頻通信\Dll\Debug\SortData.sbr

?????文件?????356787??2010-04-24?01:29??音頻通信\Dll\Debug\StdAfx.obj

?????文件????3212251??2010-04-24?01:29??音頻通信\Dll\Debug\StdAfx.sbr

?????文件????6835200??2010-04-24?01:29??音頻通信\Dll\Debug\TalkDll.bsc

?????文件????????666??2010-04-24?01:29??音頻通信\Dll\Debug\TalkDll.dll.embed.manifest

?????文件????????732??2010-04-24?01:29??音頻通信\Dll\Debug\TalkDll.dll.embed.manifest.res

?????文件????????631??2010-04-24?01:29??音頻通信\Dll\Debug\TalkDll.dll.intermediate.manifest

?????文件???????3324??2010-04-24?01:29??音頻通信\Dll\Debug\TalkDll.exp

?????文件???????6048??2010-04-24?01:29??音頻通信\Dll\Debug\TalkDll.lib

............此處省略85個(gè)文件信息