//?Speex_Resample.cpp?:?此文件包含?“main“?函數。程序執行將在此處開始并結束。
//

#include?

/*?Copyright?（C）?2007?Jean-Marc?Valin

???File:?testresample.c
???Testing?the?resampling?code

???Redistribution?and?use?in?source?and?binary?forms?with?or?without
???modification?are?permitted?provided?that?the?following?conditions?are
???met:

???1.?Redistributions?of?source?code?must?retain?the?above?copyright?notice
???this?list?of?conditions?and?the?following?disclaimer.

???2.?Redistributions?in?binary?form?must?reproduce?the?above?copyright
???notice?this?list?of?conditions?and?the?following?disclaimer?in?the
???documentation?and/or?other?materials?provided?with?the?distribution.

???3.?The?name?of?the?author?may?not?be?used?to?endorse?or?promote?products
???derived?from?this?software?without?specific?prior?written?permission.

???THIS?SOFTWARE?IS?PROVIDED?BY?THE?AUTHOR?‘‘AS?IS‘‘?AND?ANY?EXPRESS?OR
???IMPLIED?WARRANTIES?INCLUDING?BUT?NOT?LIMITED?TO?THE?IMPLIED?WARRANTIES
???OF?MERCHANTABILITY?AND?FITNESS?FOR?A?PARTICULAR?PURPOSE?ARE
???DISCLAIMED.?IN?NO?EVENT?SHALL?THE?AUTHOR?BE?LIABLE?FOR?ANY?DIRECT
???INDIRECT?INCIDENTAL?SPECIAL?EXEMPLARY?OR?CONSEQUENTIAL?DAMAGES
???（INCLUDING?BUT?NOT?LIMITED?TO?PROCUREMENT?OF?SUBSTITUTE?GOODS?OR
???SERVICES;?LOSS?OF?USE?DATA?OR?PROFITS;?OR?BUSINESS?INTERRUPTION）
???HOWEVER?CAUSED?AND?ON?ANY?THEORY?OF?LIABILITY?WHETHER?IN?CONTRACT
???STRICT?LIABILITY?OR?TORT?（INCLUDING?NEGLIGENCE?OR?OTHERWISE）?ARISING?IN
???ANY?WAY?OUT?OF?THE?USE?OF?THIS?SOFTWARE?EVEN?IF?ADVISED?OF?THE
???POSSIBILITY?OF?SUCH?DAMAGE.
*/

#ifdef?HAVE_CONFIG_H
#include?“config.h“
#endif

#include?“speex/speex_resampler.h“
#include?
#include?
#include?

#define?NN?480
#pragma?comment（lib?“libspeexdsp.lib“）
#pragma?warning（disable:4996）

int?main（）
{
	spx_uint32_t?i;
	short?*in;
	short?*out;
	short?*fin?*fout;
	int?count?=?0;
	SpeexResamplerState?*st?=?speex_resampler_init（1?48000?44100?10?NULL）;
	int?nRet?=?speex_resampler_skip_zeros（st）;

	in?=?（short*）malloc（NN?*?sizeof（short））;
	out?=?（short*）malloc（2?*?NN?*?sizeof（short））;
	fin?=?（short*）malloc（NN?*?sizeof（short））;
	fout?=?（short*）malloc（2?*?NN?*?sizeof（short））;
	FILE?*pIn?=?fopen（“in.pcm“?“rb“）;
	FILE?*pOut?=?fopen（“out.pcm“?“wb“）;
	if?（!pIn?||?!pOut）
	{
		printf（“open?file?Err!\r\n“）;
		system（“pause“）;
		return?0;
	}
	while?（1）
	{
		spx_uint32_t?in_len;
		spx_uint32_t?out_len;
		fread（in?sizeof（short）?NN?pIn）;
		if?（feof（pIn））
			break;
	
		in_len?=?NN;
		out_len?=??NN;
		if?（count==2）
		???speex_resampler_set_quality（st?10）;
		speex_resampler_process_interleaved_int（st??in?&in_len?fout?&out_len）;
		
		fwrite（fout?sizeof（short）?out_len?pOut）;
		count++;
	}
	speex_resampler_destroy（st）;
	free（pIn）;
	free（pOut）;
	free（fin）;
	free（fout）;
	return?0;
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2020-10-09?16:18??Speex_Resample\
?????文件????????1455??2020-10-09?14:28??Speex_Resample.sln
?????文件?????3313664??2020-10-09?15:14??Speex_Resample\in.pcm
?????目錄???????????0??2020-10-09?14:32??Speex_Resample\include\
?????目錄???????????0??2020-10-09?14:31??Speex_Resample\include\speex\
?????文件?????????358??2008-04-25?19:21??Speex_Resample\include\speex\Makefile.am
?????文件???????13456??2008-07-21?10:17??Speex_Resample\include\speex\Makefile.in
?????文件???????13947??2008-04-25?19:21??Speex_Resample\include\speex\speex.h
?????文件????????6669??2007-08-11?21:00??Speex_Resample\include\speex\speex_bits.h
?????文件????????2172??2008-04-25?19:21??Speex_Resample\include\speex\speex_buffer.h
?????文件????????5045??2007-10-25?21:59??Speex_Resample\include\speex\speex_callbacks.h
?????文件?????????241??2007-06-23?12:18??Speex_Resample\include\speex\speex_config_types.h.in
?????文件????????6453??2008-06-05?17:27??Speex_Resample\include\speex\speex_echo.h
?????文件????????4103??2008-04-25?19:21??Speex_Resample\include\speex\speex_header.h
?????文件????????7219??2008-04-25?19:21??Speex_Resample\include\speex\speex_jitter.h
?????文件????????8609??2008-05-30?15:34??Speex_Resample\include\speex\speex_preprocess.h
?????文件???????14713??2008-05-05?20:41??Speex_Resample\include\speex\speex_resampler.h
?????文件????????3698??2008-04-25?19:21??Speex_Resample\include\speex\speex_stereo.h
?????文件????????3591??2008-04-25?19:21??Speex_Resample\include\speex\speex_types.h
?????文件?????1119214??2020-10-09?14:43??Speex_Resample\libspeexdsp.lib
?????文件????????2856??2020-10-09?15:28??Speex_Resample\Speex_Resample.cpp
?????文件????????8457??2020-10-09?16:11??Speex_Resample\Speex_Resample.vcxproj
?????文件????????2176??2020-10-09?14:33??Speex_Resample\Speex_Resample.vcxproj.filters
?????文件?????????223??2020-10-09?14:35??Speex_Resample\Speex_Resample.vcxproj.user