#include <windows.h>
#include <stdio.h>
#include<fstream>
#include <mmsystem.h>
#include <process.h>
#include<cstring>
#pragma comment(lib, “winmm.lib”)
#define BUFFER_SIZE (8000*16*1/8*5) // 录制声音长度
#define FRAGMENT_SIZE 1024 // 缓存区大小
#define FRAGMENT_NUM 4 // 缓存区个数
static unsigned char buffer[BUFFER_SIZE] = {0};
char buffermin[FRAGMENT_SIZE] = {0};
static int buf_count = 0;
const int END_PRODUCE_NUMBER = 8; //生产产品个数
const int BUFFER_NUMBER = 4; //缓冲区个数
char* g_Buffer[BUFFER_NUMBER]; //缓冲池
int g_i;
int g_j;
//信号量与关键段
CRITICAL_SECTION g_cs;
HANDLE g_hSemaphoreBufferEmpty, g_hSemaphoreBufferFull;
void CALLBACK waveInProc(HWAVEIN hwi,
UINT uMsg,
DWORD_PTR dwInstance,
DWORD_PTR dwParam1,
DWORD_PTR dwParam2 );
void CALLBACK waveOutProc( HWAVEOUT hwo,
UINT uMsg,
DWORD_PTR dwInstance,
DWORD_PTR dwParam1,
DWORD_PTR dwParam2 );
// 入口
//生产者线程函数
unsigned int __stdcall ProducerThreadFun(PVOID pM)
{
UINT uMsg;
while(WIM_DATA==uMsg)
{
//等待有空的缓冲区出现
WaitForSingleObject(g_hSemaphoreBufferEmpty, INFINITE);
//互斥的访问缓冲区
EnterCriticalSection(&g_cs);
memcpy(g_Buffer[g_i],buffermin , FRAGMENT_SIZE);
//g_Buffer[g_i] = buffermin;
printf(“生产者在缓冲池第%d个缓冲区中投放数据%d\n”, g_i, g_Buffer[g_i]);
g_i = (g_i + 1) % BUFFER_NUMBER;
LeaveCriticalSection(&g_cs);
//通知消费者有新数据了
ReleaseSemaphore(g_hSemaphoreBufferFull, 1, NULL);
}
printf(“生产者完成任务，线程结束运行\n”);
return 0;
}
//消费者线程函数
unsigned int __stdcall ConsumerThreadFun(PVOID pM)
{
while (true)
{
//等待非空的缓冲区出现
WaitForSingleObject(g_hSemaphoreBufferFull, INFINITE);
//互斥的访问缓冲区
EnterCriticalSection(&g_cs);
int temp = BUFFER_SIZE – buf_count;
memcpy(buffer+buf_count,g_Buffer[g_j] ,FRAGMENT_SIZE);
buf_count += temp;
printf(” 编号为%d的消费者从缓冲池中第%d个缓冲区取出数据%d\n”, GetCurrentThreadId(), g_j, g_Buffer[g_j]);
g_j = (g_j + 1) % BUFFER_SIZE;
LeaveCriticalSection(&g_cs);
Sleep(50); //some other work to do
ReleaseSemaphore(g_hSemaphoreBufferEmpty, 1, NULL);
}
printf(” 编号为%d的消费者收到通知，线程结束运行\n”, GetCurrentThreadId());
return 0;
}
int main()
{
InitializeCriticalSection(&g_cs);
//初始化信号量,一个记录有产品的缓冲区个数,另一个记录空缓冲区个数.
g_hSemaphoreBufferEmpty = CreateSemaphore(NULL, 4, 4, NULL);
g_hSemaphoreBufferFull = CreateSemaphore(NULL, 0, 4, NULL);
g_i = 0;
g_j = 0;
memset(g_Buffer, 0, sizeof(g_Buffer));
const int THREADNUM = 2;
HANDLE hThread[THREADNUM];
//生产者线程
hThread[0] = (HANDLE)_beginthreadex(NULL, 0, ProducerThreadFun, NULL,CREATE_SUSPEND, NULL);
//消费者线程
hThread[1] = (HANDLE)_beginthreadex(NULL, 0, ConsumerThreadFun, NULL, 0, NULL);
/* 录音 */
// Device
int nReturn = waveInGetNumDevs();
printf(“输入设备数目：%d\n”, nReturn);
for (int i=0; i<nReturn; i++) //i是设备id
{
WAVEINCAPS wic; //一个指向WAVEINCAPS结构的指针
waveInGetDevCaps(i, &wic, sizeof(WAVEINCAPS));
printf(“#%d\t设备名：%s\n”, i, wic.szPname); //szPname设备名称
}
// open
HWAVEIN hWaveIn; //设备句柄
WAVEFORMATEX wavform; //一个所需的格式进行录音的WAVEFORMATEX结构的指针
wavform.wFormatTag = WAVE_FORMAT_PCM; //波形声音的格式,单声道双声道使用WAVE_FORMAT_PCM.
wavform.nChannels = 1; //声道数量
wavform.nSamplesPerSec = 8000; //采样率.wFormatTag为WAVE_FORMAT_PCM时,有8.0kHz,11.025kHz,22.05kHz,和44.1kHz.
wavform.nAvgBytesPerSec = 8000*16*1/8; //每秒的采样字节数.通过nSamplesPerSec * nChannels * wBitsPerSample / 8计算
wavform.nBlockAlign = 2; //每次采样的字节数.通过nChannels * wBitsPerSample / 8计算
wavform.wBitsPerSample = 16; //采样位数.wFormatTag为WAVE_FORMAT_PCM时,为8或16
wavform.cbSize = 0;
waveInOpen(&hWaveIn, WAVE_MAPPER, &wavform, (DWORD_PTR)waveInProc, 0, CALLBACK_FUNCTION); //指定一个需要打开的设备标识.可以使用WAVE_MAPPER选择一个按指定录音格式录音的设备；waveInProc回调处理参数；CALLBACK_FUNCTION是打开设备的一个通知信息
WAVEINCAPS wic;
waveInGetDevCaps((UINT_PTR)hWaveIn, &wic, sizeof(WAVEINCAPS));
printf(“打开的输入设备：%s\n”, wic.szPname);
// prepare buffer
static WAVEHDR wh[FRAGMENT_NUM]; //指向WAVEHDR结构的指针,标识准备的缓冲区
for (int i=0; i<FRAGMENT_NUM; i++)
{
wh[i].lpData = new char[FRAGMENT_SIZE]; //指向波形格式的缓冲区
wh[i].dwBufferLength = FRAGMENT_SIZE;
wh[i].dwBytesRecorded = 0; //当前存储数据
wh[i].dwUser = NULL;
wh[i].dwFlags = 0; //为缓冲区提供的信息
wh[i].dwLoops = 1; //输出时使用,标识播放次数
wh[i].lpNext = NULL;
wh[i].reserved = 0;
waveInPrepareHeader(hWaveIn, &wh[i], sizeof(WAVEHDR));
waveInAddBuffer(hWaveIn, &wh[i], sizeof(WAVEHDR));
}
// record
printf(“Start to Record…\n”);
buf_count = 0;
waveInStart(hWaveIn);
while (buf_count < BUFFER_SIZE)
{
Sleep(1);
}
printf(“Record Over!\n\n”);
// clean
waveInStop(hWaveIn);
waveInReset(hWaveIn);
for (int i=0; i<FRAGMENT_NUM; i++)
{
waveInUnprepareHeader(hWaveIn, &wh[i], sizeof(WAVEHDR));
delete wh[i].lpData;
}
waveInClose(hWaveIn);
system(“pause”);
printf(“\n”);
/* 放音 */
// Device
nReturn = waveOutGetNumDevs();
printf(“\n放音输出设备数目：%d\n”, nReturn);
for (int i=0; i<nReturn; i++)
{
WAVEOUTCAPS woc;
waveOutGetDevCaps(i, &woc, sizeof(WAVEOUTCAPS));
printf(“#%d\t设备名：%s\n”, i, wic.szPname);
}
// open
HWAVEOUT hWaveOut;
waveOutOpen(&hWaveOut, WAVE_MAPPER, &wavform, (DWORD_PTR)waveOutProc, 0, CALLBACK_FUNCTION);
WAVEOUTCAPS woc;
waveOutGetDevCaps((UINT_PTR)hWaveOut, &woc, sizeof(WAVEOUTCAPS));
printf(“打开的输出设备：%s\n”, wic.szPname);
// prepare buffer
WAVEHDR wavhdr;
wavhdr.lpData = (LPSTR)buffer;
wavhdr.dwBufferLength = BUFFER_SIZE;
wavhdr.dwFlags = 0;
wavhdr.dwLoops = 0;
waveOutPrepareHeader(hWaveOut, &wavhdr, sizeof(WAVEHDR));
// play
printf(“Start to Play…\n”);
buf_count = 0;
waveOutWrite(hWaveOut, &wavhdr, sizeof(WAVEHDR));
while (buf_count < BUFFER_SIZE)
{
Sleep(1);
}
// clean
waveOutReset(hWaveOut);
waveOutUnprepareHeader(hWaveOut, &wavhdr, sizeof(WAVEHDR));
waveOutClose(hWaveOut);
printf(“Play Over!\n\n”);
FILE* fp = fopen(“D:\录音.wav”, “wb+”);
fseek(fp, 0, SEEK_SET);
fwrite(buffer,BUFFER_SIZE, 1, fp);
fclose(fp);
printf(“write success!\n\n”);
fclose(fp);
/*std::ofstream ofs;
ofs.open(“D:\录音.wav”);
for(int i = 0; i < BUFFER_SIZE; i ++)
ofs <<buffer[i];
ofs.close();*/
system(“pause”);
return 0;
WaitForMultipleObjects(THREADNUM, hThread, TRUE, INFINITE);
for (int i = 0; i < THREADNUM; i++)
CloseHandle(hThread[i]);
//销毁信号量和关键段
CloseHandle(g_hSemaphoreBufferEmpty);
CloseHandle(g_hSemaphoreBufferFull);
DeleteCriticalSection(&g_cs);
return 0;
}
// 录音回调函数
void CALLBACK waveInProc(HWAVEIN hwi,
UINT uMsg,
DWORD_PTR dwInstance,
DWORD_PTR dwParam1,
DWORD_PTR dwParam2 )
{
LPWAVEHDR pwh = (LPWAVEHDR)dwParam1;
if ((WIM_DATA==uMsg) && (buf_count<BUFFER_SIZE))
{
int temp = BUFFER_SIZE – buf_count;
temp = (temp>pwh->dwBytesRecorded) ? pwh->dwBytesRecorded : temp;
memcpy(buffer+buf_count, pwh->lpData, temp);
memcpy(buffermin, pwh->lpData, temp);
buf_count += temp;
// ResumeThread( hThread[0]);
waveInAddBuffer(hwi, pwh, sizeof(WAVEHDR));
}
}
// 放音回调函数
void CALLBACK waveOutProc( HWAVEOUT hwo,
UINT uMsg,
DWORD_PTR dwInstance,
DWORD_PTR dwParam1,
DWORD_PTR dwParam2 )
{
if (WOM_DONE == uMsg)
{
buf_count = BUFFER_SIZE;
}
}
首先不能把进程挂起，把那个改成0也出错，不知道怎么回事了
100
//循环向a函数每次发送200个字节长度（这个是固定的）的buffer,
//a函数中需要将循环传进来的buffer，组成240字节（也是固定的）的新buffer进行处理，
//在处理的时候每次从新buffer中取两个字节打印
#ifdef _MSC_VER
#pragma warning(disable:4996)
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef _MSC_VER
#include <windows.h>
#include <process.h>
#include <io.h>
#define MYVOID void
#define vsnprintf _vsnprintf
#else
#include <unistd.h>
#include <sys/time.h>
#include <pthread.h>
#define CRITICAL_SECTION pthread_mutex_t
#define MYVOID void *
#endif
//Log{
#define MAXLOGSIZE 20000000
#define MAXLINSIZE 16000
#include <time.h>
#include <sys/timeb.h>
#include <stdarg.h>
char logfilename1[]="MyLog1.log";
char logfilename2[]="MyLog2.log";
static char logstr[MAXLINSIZE+1];
char datestr[16];
char timestr[16];
char mss[4];
CRITICAL_SECTION cs_log;
FILE *flog;
#ifdef _MSC_VER
void Lock(CRITICAL_SECTION *l) {
EnterCriticalSection(l);
}
void Unlock(CRITICAL_SECTION *l) {
LeaveCriticalSection(l);
}
void sleep_ms(int ms) {
Sleep(ms);
}
#else
void Lock(CRITICAL_SECTION *l) {
pthread_mutex_lock(l);
}
void Unlock(CRITICAL_SECTION *l) {
pthread_mutex_unlock(l);
}
void sleep_ms(int ms) {
usleep(ms*1000);
}
#endif
void LogV(const char *pszFmt,va_list argp) {
struct tm *now;
struct timeb tb;
if (NULL==pszFmt||0==pszFmt[0]) return;
vsnprintf(logstr,MAXLINSIZE,pszFmt,argp);
ftime(&tb);
now=localtime(&tb.time);
sprintf(datestr,"%04d-%02d-%02d",now->tm_year+1900,now->tm_mon+1,now->tm_mday);
sprintf(timestr,"%02d:%02d:%02d",now->tm_hour ,now->tm_min ,now->tm_sec );
sprintf(mss,"%03d",tb.millitm);
printf("%s %s.%s %s",datestr,timestr,mss,logstr);
flog=fopen(logfilename1,"a");
if (NULL!=flog) {
fprintf(flog,"%s %s.%s %s",datestr,timestr,mss,logstr);
if (ftell(flog)>MAXLOGSIZE) {
fclose(flog);
if (rename(logfilename1,logfilename2)) {
remove(logfilename2);
rename(logfilename1,logfilename2);
}
} else {
fclose(flog);
}
}
}
void Log(const char *pszFmt,...) {
va_list argp;
Lock(&cs_log);
va_start(argp,pszFmt);
LogV(pszFmt,argp);
va_end(argp);
Unlock(&cs_log);
}
//Log}
#define ASIZE 200
#define BSIZE 240
#define CSIZE 2
char Abuf[ASIZE];
char Cbuf[CSIZE];
CRITICAL_SECTION cs_HEX ;
CRITICAL_SECTION cs_BBB ;
struct FIFO_BUFFER {
int head;
int tail;
int size;
char data[BSIZE];
} BBB;
int No_Loop=0;
void HexDump(int cn,char *buf,int len) {
int i,j,k;
char binstr[80];
Lock(&cs_HEX);
for (i=0;i<len;i++) {
if (0==(i%16)) {
sprintf(binstr,"%03d %04x -",cn,i);
sprintf(binstr,"%s %02x",binstr,(unsigned char)buf[i]);
} else if (15==(i%16)) {
sprintf(binstr,"%s %02x",binstr,(unsigned char)buf[i]);
sprintf(binstr,"%s ",binstr);
for (j=i-15;j<=i;j++) {
sprintf(binstr,"%s%c",binstr,("!"<buf[j]&&buf[j]<="~")?buf[j]:".");
}
Log("%s\n",binstr);
} else {
sprintf(binstr,"%s %02x",binstr,(unsigned char)buf[i]);
}
}
if (0!=(i%16)) {
k=16-(i%16);
for (j=0;j<k;j++) {
sprintf(binstr,"%s ",binstr);
}
sprintf(binstr,"%s ",binstr);
k=16-k;
for (j=i-k;j<i;j++) {
sprintf(binstr,"%s%c",binstr,("!"<buf[j]&&buf[j]<="~")?buf[j]:".");
}
Log("%s\n",binstr);
}
Unlock(&cs_HEX);
}
int GetFromRBuf(int cn,CRITICAL_SECTION *cs,struct FIFO_BUFFER *fbuf,char *buf,int len) {
int lent,len1,len2;
lent=0;
Lock(cs);
if (fbuf->size>=len) {
lent=len;
if (fbuf->head+lent>BSIZE) {
len1=BSIZE-fbuf->head;
memcpy(buf ,fbuf->data+fbuf->head,len1);
len2=lent-len1;
memcpy(buf+len1,fbuf->data ,len2);
fbuf->head=len2;
} else {
memcpy(buf ,fbuf->data+fbuf->head,lent);
fbuf->head+=lent;
}
fbuf->size-=lent;
}
Unlock(cs);
return lent;
}
MYVOID thdB(void *pcn) {
char *recv_buf;
int recv_nbytes;
int cn;
int wc;
int pb;
cn=(int)pcn;
Log("%03d thdB thread begin...\n",cn);
while (1) {
sleep_ms(10);
recv_buf=(char *)Cbuf;
recv_nbytes=CSIZE;
wc=0;
while (1) {
pb=GetFromRBuf(cn,&cs_BBB,&BBB,recv_buf,recv_nbytes);
if (pb) {
Log("%03d recv %d bytes\n",cn,pb);
HexDump(cn,recv_buf,pb);
sleep_ms(1);
} else {
sleep_ms(1000);
}
if (No_Loop) break;//
wc++;
if (wc>3600) Log("%03d %d==wc>3600!\n",cn,wc);
}
if (No_Loop) break;//
}
#ifndef _MSC_VER
pthread_exit(NULL);
#endif
}
int PutToRBuf(int cn,CRITICAL_SECTION *cs,struct FIFO_BUFFER *fbuf,char *buf,int len) {
int lent,len1,len2;
Lock(cs);
lent=len;
if (fbuf->size+lent>BSIZE) {
lent=BSIZE-fbuf->size;
}
if (fbuf->tail+lent>BSIZE) {
len1=BSIZE-fbuf->tail;
memcpy(fbuf->data+fbuf->tail,buf ,len1);
len2=lent-len1;
memcpy(fbuf->data ,buf+len1,len2);
fbuf->tail=len2;
} else {
memcpy(fbuf->data+fbuf->tail,buf ,lent);
fbuf->tail+=lent;
}
fbuf->size+=lent;
Unlock(cs);
return lent;
}
MYVOID thdA(void *pcn) {
char *send_buf;
int send_nbytes;
int cn;
int wc;
int a;
int pa;
cn=(int)pcn;
Log("%03d thdA thread begin...\n",cn);
a=0;
while (1) {
sleep_ms(100);
memset(Abuf,a,ASIZE);
a=(a+1)%256;
if (16==a) {No_Loop=1;break;}//去掉这句可以让程序一直循环直到按Ctrl+C或Ctrl+Break或当前目录下存在文件No_Loop
send_buf=(char *)Abuf;
send_nbytes=ASIZE;
Log("%03d sending %d bytes\n",cn,send_nbytes);
HexDump(cn,send_buf,send_nbytes);
wc=0;
while (1) {
pa=PutToRBuf(cn,&cs_BBB,&BBB,send_buf,send_nbytes);
Log("%03d sent %d bytes\n",cn,pa);
HexDump(cn,send_buf,pa);
send_buf+=pa;
send_nbytes-=pa;
if (send_nbytes<=0) break;//
sleep_ms(1000);
if (No_Loop) break;//
wc++;
if (wc>3600) Log("%03d %d==wc>3600!\n",cn,wc);
}
if (No_Loop) break;//
}
#ifndef _MSC_VER
pthread_exit(NULL);
#endif
}
int main() {
#ifdef _MSC_VER
InitializeCriticalSection(&cs_log);
InitializeCriticalSection(&cs_HEX );
InitializeCriticalSection(&cs_BBB );
#else
pthread_t threads[2];
int threadsN;
int rc;
pthread_mutex_init(&cs_log,NULL);
pthread_mutex_init(&cs_HEX,NULL);
pthread_mutex_init(&cs_BBB,NULL);
#endif
Log("Start===========================================================\n");
BBB.head=0;
BBB.tail=0;
BBB.size=0;
#ifdef _MSC_VER
_beginthread((void(__cdecl *)(void *))thdA,0,(void *)1);
_beginthread((void(__cdecl *)(void *))thdB,0,(void *)2);
#else
threadsN=0;
rc=pthread_create(&(threads[threadsN++]),NULL,thdA,(void *)1);if (rc) Log("%d=pthread_create %d error!\n",rc,threadsN-1);
rc=pthread_create(&(threads[threadsN++]),NULL,thdB,(void *)2);if (rc) Log("%d=pthread_create %d error!\n",rc,threadsN-1);
#endif
if (!access("No_Loop",0)) {
remove("No_Loop");
if (!access("No_Loop",0)) {
No_Loop=1;
}
}
while (1) {
sleep_ms(1000);
if (No_Loop) break;//
if (!access("No_Loop",0)) {
No_Loop=1;
}
}
sleep_ms(3000);
Log("End=============================================================\n");
#ifdef _MSC_VER
DeleteCriticalSection(&cs_BBB );
DeleteCriticalSection(&cs_HEX );
DeleteCriticalSection(&cs_log);
#else
pthread_mutex_destroy(&cs_BBB);
pthread_mutex_destroy(&cs_HEX);
pthread_mutex_destroy(&cs_log);
#endif
return 0;
}