// MeterDlg.cpp : implementation file
//

#include "stdafx.h"
#include <stdlib.h>            // abs, __max
#include <math.h>
#include "Meter.h"
#include "MeterDlg.h"
#include "ParseCmdLine.h"

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


const char * CONVSTR( const CString& str )
{
#ifdef UNDER_CE

	static char buffer[4096];
	int len = str.GetLength();
	buffer[len] = '\0';
	if ( len )
	{
	int err = WideCharToMultiByte( CP_ACP, 0, str, len, buffer, 4096, NULL, NULL );
	if ( err == 0 ) 
		TRACE(TEXT("Error converting chars %d\n"),GetLastError());
	}
	return buffer;
#else
	return (LPCSTR) str;
#endif

}
/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMeterDlg dialog

CMeterDlg::CMeterDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CMeterDlg::IDD, pParent)
	, m_busnumber(_T(""))
{
	//{{AFX_DATA_INIT(CMeterDlg)
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMeterDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CMeterDlg)
	DDX_Control(pDX, IDC_PROGRESS, m_ctrlProgress);
	DDX_Control(pDX, IDC_PEEK, m_ctrlPeekValue);
	DDX_Text(pDX, IDC_BUS, m_busnumber);
	//}}AFX_DATA_MAP

	
}

BEGIN_MESSAGE_MAP(CMeterDlg, CDialog)
	//{{AFX_MSG_MAP(CMeterDlg)
	ON_WM_DESTROY()
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMeterDlg message handlers

BOOL CMeterDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	m_ctrlProgress.SetRange( 0 , 255 );
	m_ctrlPeekValue.SetRange( 0 , 255 );

	nb_buffers = 0;
	peekValue = 0.0;
	lastValue = 0.0;
	m_seuil = 15.0;

	openWaveDev();

	// parse command Line Info
	ParseCmdLine cmd;
	AfxGetApp()->ParseCommandLine( cmd );

	// Set Argument from Command Line
	m_seuil = cmd.m_seuil;
	m_busnumber = cmd.m_busNumber;
	bus = new Ivy( "IvyAudioMon","IvyAudioMon Ready",this,FALSE);
	
//	bus->BindMsg("(.*)", BUS_CALLBACK_OF(CTestDlg, IvyCallback ));
	
	//bus->BindMsg("^S( A=([0-9]+))?( B=([0-9]+))?",cb);
	
	// force bus start in case of start
	m_busnumber = bus->GetDomain( CONVSTR(m_busnumber) );
	bus->start(CONVSTR(m_busnumber));
	

	VERIFY(this->UpdateData(FALSE));
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}
void CMeterDlg::OnApplicationConnected(IvyApplication *app)
{
//	TRACE( "Application: %s ready",(LPCSTR)(app->GetName()) );
}
void CMeterDlg::OnApplicationDisconnected(IvyApplication *app)
{
//	TRACE( "Application: %s bye",(LPCSTR)(app->GetName()) );
}
void CMeterDlg::OnOK() 
{
  VERIFY(this->UpdateData(TRUE));
  m_busnumber = bus->GetDomain( CONVSTR(m_busnumber) );
  if ( m_busnumber.FindOneOf(":") )
  {
  bus->stop();
  bus->start(CONVSTR(m_busnumber));
  }	
  VERIFY(this->UpdateData(FALSE));
 
   // Do not close on return key
  return; 

  // CDialog::OnOK(); // This will close the dialog and DoModal will return.
}


void CMeterDlg::OnDestroy() 
{
	bus->stop();
	delete bus;
	CDialog::OnDestroy();
}

void CMeterDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CMeterDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CMeterDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}


/*
* Callback function when WAVE input buffer is full
*/
void CALLBACK CMeterDlg::recordCallBack(HWAVEIN hWaveIn, UINT uMsg, DWORD dwInstance, DWORD dwParam1, DWORD dwParam2)
{
	CMeterDlg* ctrl = (CMeterDlg*) dwInstance;
	ctrl->recordCB( hWaveIn, uMsg, dwInstance, dwParam1, dwParam2 );
}
void CALLBACK CMeterDlg::recordCB(HWAVEIN hWaveIn, UINT uMsg, DWORD dwInstance, DWORD dwParam1, DWORD dwParam2)
{
	WAVEHDR *waveHeader = (WAVEHDR*)dwParam1;
	float lVal =0;
	switch ( uMsg )
	{
	case WIM_OPEN:
		TRACE("WIM_OPEN\n");
		break;
	case WIM_DATA:
		for ( DWORD i = 0; i < waveHeader->dwBytesRecorded; i++ ) 
		{
			//TRACE("WIM_DATA[%d]= %02x\n",i,waveHeader->lpData[i]);
			lVal += abs( (float)( unsigned char )waveHeader->lpData[i] - 127.0f) ;
		}
		lVal /= waveHeader->dwBytesRecorded ;
		lVal *= 2;
		TRACE("WIM_DATA %d %d %f\n",waveHeader->dwBufferLength,waveHeader->dwBytesRecorded,lVal);
		nb_buffers++;
		peekValue  = max( peekValue, lVal );
		// moyenne sur 1 seconde
		if ( nb_buffers*BUFSIZE > 8000 )
		{
			nb_buffers = 0;
			peekValue = lVal;
		}
		m_ctrlPeekValue.SetPos( peekValue );
		m_ctrlProgress.SetPos(lVal);
		if ( lVal > m_seuil || lastValue > m_seuil )
			{
			lastValue = lVal;
			if ( lVal < m_seuil ) peekValue = lVal = 0.0;
			bus->SendMsg("AudioMonitor Change value=%.2f peak=%.2f",lVal,peekValue);
			}
		if (waveInUnprepareHeader(hWaveIn, &WaveHeader,sizeof(WAVEHDR)))
		{
			//cerr << "WAVE unprepare input buffer error\n";
			//exit(1);
		}
		WaveHeader.dwFlags = 0;
		
		if (waveInPrepareHeader(hWaveIn, &WaveHeader,sizeof(WAVEHDR)))
		{
		}
		if (waveInAddBuffer(hWaveIn, &WaveHeader,sizeof(WAVEHDR)))
		{
		}
		break;
	case WIM_CLOSE:
		TRACE("WIM_CLOSE\n");
		break;
	}
}
void CMeterDlg::openWaveDev()
{
	MMRESULT Rc;
	WAVEFORMATEX PCMWaveFmtRecord;
	
	PCMWaveFmtRecord.wFormatTag = WAVE_FORMAT_PCM;
	PCMWaveFmtRecord.nChannels = 1;
	PCMWaveFmtRecord.nSamplesPerSec = 8000;
	PCMWaveFmtRecord.wBitsPerSample = 8;
	PCMWaveFmtRecord.nAvgBytesPerSec = PCMWaveFmtRecord.nSamplesPerSec
		* PCMWaveFmtRecord.wBitsPerSample / 8;
	PCMWaveFmtRecord.nBlockAlign = PCMWaveFmtRecord.nChannels *
		PCMWaveFmtRecord.wBitsPerSample / 8;
	
	Rc = waveInOpen(&hWaveIn, WAVE_MAPPER, &PCMWaveFmtRecord, (DWORD_PTR)CMeterDlg::recordCallBack, (DWORD_PTR)this, CALLBACK_FUNCTION);
	if (Rc)
	{
	}
	WaveHeader.dwBufferLength = BUFSIZE;
	WaveHeader.lpData = (LPSTR) (inbuf);
	WaveHeader.dwFlags = WaveHeader.reserved = 0;
	WaveHeader.dwLoops = 0;
	WaveHeader.lpNext = 0;
	Rc = waveInPrepareHeader(hWaveIn, &WaveHeader,
		sizeof(WAVEHDR));
	if (Rc)
	{
		waveInClose(hWaveIn);
	}
	Rc = waveInAddBuffer(hWaveIn, &WaveHeader,
			     sizeof(WAVEHDR));
	if (Rc)
	{
		waveInClose(hWaveIn);
	}
	
	
	ResetEvent(recordDone);
	
	if (Rc = waveInStart(hWaveIn))
	{
		waveInClose(hWaveIn);
	}
}