// PlayeBasicVoiceAudioDlg.cpp : implementation file
//

#include "stdafx.h"
#include "dicwav.h"
#include "PlayeBasicVoiceAudioDlg.h"
#include "Mmsystem.h"



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

/////////////////////////////////////////////////////////////////////////////
// CPlayeBasicVoiceAudioDlg dialog


CPlayeBasicVoiceAudioDlg::CPlayeBasicVoiceAudioDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CPlayeBasicVoiceAudioDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CPlayeBasicVoiceAudioDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT

   m_strInputBasicVoiceAudioFileName.Empty();
   m_bInputDICOMFileNameChanged = TRUE;
}

CPlayeBasicVoiceAudioDlg::~CPlayeBasicVoiceAudioDlg()
{
   if(m_strWaveFileName.GetLength())
   {
      DeleteFile((LPCSTR)m_strWaveFileName);
   }
}

void CPlayeBasicVoiceAudioDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CPlayeBasicVoiceAudioDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}


BEGIN_MESSAGE_MAP(CPlayeBasicVoiceAudioDlg, CDialog)
	//{{AFX_MSG_MAP(CPlayeBasicVoiceAudioDlg)
	ON_BN_CLICKED(IDC_BUTTON_BROWSE_BASIC_VOICE, OnButtonBrowseBasicVoice)
	ON_BN_CLICKED(IDC_BUTTON_PLAY, OnButtonPlay)
	ON_BN_CLICKED(IDC_BUTTON_STOP, OnButtonStop)
	ON_WM_CLOSE()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CPlayeBasicVoiceAudioDlg message handlers

void CPlayeBasicVoiceAudioDlg::OnButtonBrowseBasicVoice() 
{
   // Get the name of the DICOM Basic Voice Audio File to Play
   CString strInFileName;

   strInFileName.Empty();
   GetDlgItemText (IDC_INPUT_BASIC_VOICE_AUDIO_FILE, strInFileName);

   TCHAR szFilters[] =_T ("DICOM Files (*.dic;*.dcm)|*.dic;*.dcm|All files (*.*)|*.*||");

   CFileDialog dlg (TRUE, NULL, strInFileName,OFN_HIDEREADONLY |OFN_FILEMUSTEXIST, szFilters);

   if (dlg.DoModal () == IDOK) 
   {      
      SetDlgItemText (IDC_INPUT_BASIC_VOICE_AUDIO_FILE, dlg.GetPathName ());      
      m_bInputDICOMFileNameChanged = TRUE;
   }
	
}

void CPlayeBasicVoiceAudioDlg::OnButtonPlay() 
{   
   CString           strInFileName;
   WIN32_FIND_DATA   FindFileData;
   HANDLE            hFind;
   L_UINT16          uDicomRet;

   GetDlgItemText (IDC_INPUT_BASIC_VOICE_AUDIO_FILE, strInFileName);
      
   if(strInFileName.GetLength() == 0)
   {
      AfxMessageBox("Please enter a valid input file name ");
      return ;
   }

   hFind = FindFirstFile(strInFileName, &FindFileData);
   if (hFind == INVALID_HANDLE_VALUE) 
   {
      AfxMessageBox("Please enter a valid input file name ");
      return ;      
   } 
   else 
   {   
      FindClose(hFind);
   }

   //Do we need to extract the wave stream from the DICOM file?
   if(m_bInputDICOMFileNameChanged)
   {
      LDicomDS DicomDs;
      LDicomWaveformGroup AudioWaveformGroup;

      DicomDs.ResetDS();

      // Load the dataset
      uDicomRet = DicomDs.LoadDS((char * )(LPCSTR)strInFileName,0);
      if(uDicomRet !=DICOM_SUCCESS)
      {
         AfxMessageBox("Failed to load dataset");
         return ;   
      }      
      // Do we have any waveforms in the dataset?
      if(DicomDs.GetWaveformGroupCount() <1)
      {
         AfxMessageBox("This dataset has no waveform groups");
         return;
      }
      // Extract the first waveform group
      if(DicomDs.GetWaveformGroup(0,&AudioWaveformGroup) != DICOM_SUCCESS)
      {
         AfxMessageBox("Couldn't extract waveform group from file.");
         return;
      }      
      // Extract the wave stream from the waveform group and save it to disk
      if(!m_strWaveFileName.GetLength () || (AudioWaveformGroup.SaveAudio((L_CHAR * )(LPCSTR)m_strWaveFileName,0) != DICOM_SUCCESS))
      {
         AfxMessageBox("Couldn't extract wave stream from DICOM file");         
         return ;
      }
   }	
   // Play the wave file
   if (!PlaySound(m_strWaveFileName, 0, SND_FILENAME | SND_ASYNC))
   {
      AfxMessageBox("Failed to play input wave file.");
   }    
}

void CPlayeBasicVoiceAudioDlg::OnButtonStop() 
{
   // Stop playing
   PlaySound(0, 0, SND_PURGE);	
}

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

   L_CHAR szTempDirectory[MAX_PATH];

   if(GetTempPath(MAX_PATH,szTempDirectory) != 0)
   {
      m_strWaveFileName = szTempDirectory;
      m_strWaveFileName += "\\";
      m_strWaveFileName += WAVE_FILE_NAME;   
   }
	return TRUE;  // return TRUE unless you set the focus to a control
	              // EXCEPTION: OCX Property Pages should return FALSE
}

void CPlayeBasicVoiceAudioDlg::OnClose() 
{	
   PlaySound(0, 0, SND_PURGE);	
	CDialog::OnClose();
}