#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; }