кто знает, подскажите, что неправльно в моем коде. цикл выполняется только 500 раз=(
программа позволяет выбрать устройство входа и выхода и должна просто транслировать звук....
собсно программа
| Код |
#include <iostream.h>
#include <windows.h>
#include <MMSYSTEM.H>
#include <MMREG.H>
#include <MSACM.H>
#pragma comment(lib, "winmm.lib")
void CALLBACK dmsg(HWAVE Handle,UINT Msg, DWORD Instance, DWORD Param1, DWORD Param2)
{
switch(Msg)
{
case MM_WOM_OPEN: cout<<"Out dev opened"<<endl;
break;
case MM_WIM_OPEN: cout<<"In dev opened"<<endl;
break;
case MM_WOM_CLOSE: cout<<"Out dev closed"<<endl;
break;
case MM_WIM_CLOSE: cout<<"In dev closed"<<endl;
break;
default: cout<<"Dev event"<<endl;
break;
};
}
void main()
{
char buf[1000];
WAVEFORMATEX wfex;
WAVEINCAPS wic;
WAVEOUTCAPS woc;
WAVEHDR whdr;
MMTIME mmt;
HWAVEIN hwi;
HWAVEOUT hwo;
wfex.wFormatTag=WAVE_FORMAT_PCM;
wfex.nChannels=1;
wfex.nSamplesPerSec=100;
wfex.nAvgBytesPerSec=200;
wfex.nBlockAlign=2;
wfex.wBitsPerSample=16;
wfex.cbSize=0;
whdr.dwBufferLength=1000;
whdr.lpData=buf;
whdr.dwUser=0; //èãðîðèðóåòñÿ
whdr.dwFlags=0;
whdr.dwLoops=0;
mmt.wType=TIME_MS;
int t;
cout<<"Num in devs: "<<(t=waveInGetNumDevs ())<<endl;
for(int i=0;i<t;i++)
{
waveInGetDevCaps (i,&wic,sizeof(wic));
cout<<i<<" - "<<wic.szPname<<endl;
}
cout<<"Num out devs: "<<(t=waveOutGetNumDevs ())<<endl;
for(i=0;i<t;i++)
{
waveOutGetDevCaps (i,&woc,sizeof(woc));
cout<<i<<" - "<<woc.szPname<<endl;
}
cout<<"Select In dev : ";
cin>>t;
t=0;
if(waveInOpen (&hwi,t,&wfex,(DWORD)dmsg,NULL,CALLBACK_FUNCTION)!=0) cerr<<"Error opening dev"<<endl;
cout<<"Select Out dev : ";
cin>>t;
if(waveOutOpen (&hwo,t,&wfex,(DWORD)dmsg,NULL,CALLBACK_FUNCTION)!=0) cerr<<"Error opening dev"<<endl;
int f=0;
while(1)
{
if((t=waveInPrepareHeader(hwi,&whdr, sizeof(whdr)))!=0)
{
cerr<<"Error in header prepearing "<<t<<endl;
break;
}
if((t=waveInAddBuffer (hwi, &whdr, sizeof(whdr)))!=0)
{
cerr<<"Error adding input buffer "<<t<<endl;
switch(t)
{
case MMSYSERR_NODRIVER: cerr<<"No driver"<<endl;
break;
case MMSYSERR_BADDEVICEID: cerr<<"No device"<<endl;
break;
case MMSYSERR_ALLOCATED: cerr<<"Oppend"<<endl;
break;
case MMSYSERR_NOMEM: cerr<<"No mem "<<whdr.dwBytesRecorded<<endl;
break;
}
break;
break;
}
waveInStart(hwi);
while(!whdr.dwFlags==WHDR_DONE) {;}
whdr.dwFlags=0;
if((t=waveInUnprepareHeader(hwi,&whdr, sizeof(whdr)))!=0)
{
cerr<<"Error in header unprepearing "<<t<<endl;
break;
}
cout<<"Filtered "<<f<<endl;
f++;
if((t=waveOutPrepareHeader(hwo,&whdr, sizeof(whdr)))!=0)
{
cerr<<"Error out header prepearing "<<t<<endl;
}
if((t=waveOutWrite (hwo, &whdr, sizeof(whdr)))!=0)
{
cerr<<"Error adding output buffer"<<endl;
switch(t)
{
case MMSYSERR_NODRIVER: cerr<<"No driver"<<endl;
break;
case MMSYSERR_BADDEVICEID: cerr<<"No device"<<endl;
break;
case MMSYSERR_ALLOCATED: cerr<<"Oppend"<<endl;
break;
case MMSYSERR_NOMEM: cerr<<"No mem "<<whdr.dwBytesRecorded<<endl;
break;
}
while(!whdr.dwFlags==WHDR_DONE) {;}
whdr.dwFlags=0;
if((t=waveOutUnprepareHeader(hwo,&whdr, sizeof(whdr)))!=0)
{
cerr<<"Error out header unprepearing "<<t<<endl;
break;
}
}
waveInClose(hwi);
waveOutClose(hwo);
}
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это первая моя программа со звуком, так что сильно не бить |