bool CSoundMgr::PlayMusic (const CString &sFilename, int iPos, CString *retsError)
// PlayMusic
//
// Starts playing the given MP3 file
{
try
{
if (m_hMusic == NULL)
return false;
// Figure out our current state
SMusicPlayState State;
GetMusicPlayState(&State);
// If we're not already playing this file, open it
if (!strEquals(sFilename, State.sFilename))
{
// Stop playing first
if (State.bPlaying || State.bPaused)
MCIWndStop(m_hMusic);
// Open new file
if (MCIWndOpen(m_hMusic, sFilename.GetASCIIZPointer(), MCI_OPEN_SHAREABLE) != 0)
{
if (retsError)
{
char *pDest = retsError->GetWritePointer(1024);
MCIWndGetError(m_hMusic, pDest, retsError->GetLength());
retsError->Truncate(lstrlen(pDest));
}
return false;
}
}
// Seek to the proper position
MCIWndSeek(m_hMusic, Max(0, Min(iPos, State.iLength)));
// Play it
if (MCIWndPlay(m_hMusic) != 0)
return false;
// Done
return true;
}
catch (...)
{
return false;
}
}
void CMCIWndDemoView::OnInitialUpdate()
{
CView::OnInitialUpdate();
const CString &filename = GetDocument()->GetPathName();
if(!m_hMCIWnd)
{
m_hMCIWnd = MCIWndCreate(m_hWnd,
AfxGetInstanceHandle(),
MCIWNDF_NOTIFYSIZE | MCIWNDF_NOERRORDLG | WS_CHILD | WS_VISIBLE,
NULL);
}
if(m_hMCIWnd)
{
if(!filename.IsEmpty())
{
MCIWndOpen(m_hMCIWnd, (LPCSTR)filename, 0);
}
}
}
bool CSoundMgr::CanPlayMusic (const CString &sFilename)
// CanPlayMusic
//
// Returns TRUE if we can play the music
{
if (m_hMusic == NULL)
return false;
// Open the device
if (MCIWndOpen(m_hMusic, sFilename.GetASCIIZPointer(), 0) != 0)
return false;
// Can play it?
if (!MCIWndCanPlay(m_hMusic))
return false;
// Done
return true;
}
