SourceCodeSky

////////////////////////////////////////////////////////////////////////////
//
//
//    Project     : VideoNet version 1.1.
//    Description : Peer to Peer Video Conferencing over the LAN.
//      Author      :    Nagareshwar Y Talekar ( nsry2002@yahoo.co.in)
//    Date        : 15-6-2004.
//
//
//    File description : 
//    Name    : RecordSound.cpp
//    Details : Recording audio from the capture device such as microphone
//
//
/////////////////////////////////////////////////////////////////////////////

#include "stdafx.h"
#include "VideoNet.h"
#include "VideoNetDlg.h"
#include "RecordSound.h"

#include<mmsystem.h>
#include<mmreg.h>


#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif


IMPLEMENT_DYNCREATE(RecordSound, CWinThread)


BEGIN_MESSAGE_MAP(RecordSound,CWinThread)
ON_THREAD_MESSAGE(MM_WIM_DATA, OnSoundData)
ON_THREAD_MESSAGE(WM_RECORDSOUND_STARTRECORDING,OnStartRecording)
ON_THREAD_MESSAGE(WM_RECORDSOUND_STOPRECORDING,OnStopRecording)
ON_THREAD_MESSAGE(WM_RECORDSOUND_ENDTHREAD,OnEndThread)
END_MESSAGE_MAP()


RecordSound::RecordSound()
{

}


RecordSound::RecordSound(CDialog *dialog)
{
    dlg=dialog;
    
    log.Open("recording.log",CFile::modeCreate | CFile::modeWrite);
    log.WriteString("In the Recordsound Constructor\n");
    
    
    recording=FALSE;
    isallocated=0;      //memory is not allocated to wavebuffer


    //Create Headers for buffering
    PreCreateHeader();

    /*
    memset(&m_WaveFormatEx,0x00,sizeof(m_WaveFormatEx));
    
    m_WaveFormatEx.wfx.wFormatTag = WAVE_FORMAT_GSM610;
    m_WaveFormatEx.wfx.nChannels = 1;
    m_WaveFormatEx.wfx.wBitsPerSample = 0;
    m_WaveFormatEx.wfx.cbSize = 2;
    m_WaveFormatEx.wfx.nSamplesPerSec = SAMPLEPSEC;
    m_WaveFormatEx.wfx.nAvgBytesPerSec = 1625; //(SAMPLEPSEC/320)*65 ;
    m_WaveFormatEx.wfx.nBlockAlign = 65;
    m_WaveFormatEx.wSamplesPerBlock=320;
    
    */
    
    
    //Setting WAVEFORMATEX  structure for the audio input
    memset(&m_WaveFormatEx,0x00,sizeof(m_WaveFormatEx));
    
    m_WaveFormatEx.wFormatTag=WAVE_FORMAT_PCM;
    m_WaveFormatEx.nChannels=1;
    m_WaveFormatEx.wBitsPerSample=8;
    m_WaveFormatEx.cbSize=0;
    m_WaveFormatEx.nSamplesPerSec=SAMPLERSEC;  //22.05 KHz
    
    m_WaveFormatEx.nBlockAlign=1; //(m_WaveFormatEx.wBitsPerSample/8)*m_WaveFormatEx.nChannels;
    
    m_WaveFormatEx.nAvgBytesPerSec=SAMPLERSEC ;  //m_WaveFormatEx.nBlockAlign;


}


RecordSound::~RecordSound()
{
    
    if(!isallocated)
    return;

    for(int i=0;i<MAXRECBUFFER;i++)
    {
        if(rechead[i])
        delete rechead[i];
    }
}


BOOL RecordSound::InitInstance()
{
return TRUE;
}

int RecordSound::ExitInstance()
{
    return CWinThread::ExitInstance();
}


void RecordSound::PreCreateHeader()
{

for(int i=0;i<MAXRECBUFFER;i++)
rechead[i]=CreateWaveHeader();

isallocated=1;
}





LRESULT RecordSound::OnStartRecording(WPARAM wp,LPARAM lp)
{
    
    if(recording)
    return FALSE;

    log.WriteString("In OnStartrecording\n")[!==More==!]