Extract the information of the AVI file and play the AVI audio clip.

# Include <VFW. h>

# Pragma comment (Lib, "vfw32 ")

Play AVI audio streams

// Initialization

Hwnd m_haviwnd = mciwndcreate (m_stccarry.getsafehwnd (),
AfxGetInstanceHandle (),
Ws_child | ws_visible | mciwndf_nomenu, m_stravifile); // cstring m_stravifile

// Operation

Mciwndopen (m_haviwnd, (lpctstr) m_stravifile, 0 );
Mciwndplay (m_haviwnd );

Mciwndstop (m_haviwnd );

Mciwnddestroy (m_haviwnd );

//////////////////////////////////////// //////////////////////////////////////// /////////

// Open a file

Pavifile;
Avifileinit ();
Hresult hR = avifileopen (& pavifile, m_stravifile, of_read, null );

// Retrieve AFI Information

Avifileinfo AFI;
Memset (void *) & AFI, 0, sizeof (avifileinfo ));
HR = avifileinfo (pavifile, & AFI, sizeof (avifileinfo ));

// Obtain the ASI information.

Pavistream pvideostream = NULL;
HR = avifilegetstream (pavifile, & pvideostream, streamtypevideo, 0 );

Avistreaminfo ASI;
HR = avistreaminfo (pvideostream, & ASI, sizeof (avistreaminfo ));

// Outputs Information

Cstring strtext;
Strtext. Format ("total frames: % lu", AFI. dwlength );
M_listaviinfo.addstring (strtext );

Strtext. Format ("FPS: % lf", asi. dwrate/(double) asi. dwscale );
M_listaviinfo.addstring (strtext );

Strtext. Format ("stream: % lu", AFI. dwstreams );
M_listaviinfo.addstring (strtext );

Int nwidth = asi. rcframe. Right-asi. rcframe. Left;
Int nheight = asi. rcframe. Bottom-asi. rcframe. Top;
Strtext. Format ("width/height: % d", nwidth, nheight );
M_listaviinfo.addstring (strtext );

Strtext. Format ("encoding: % s", (char *) & asi. fcchandler );
M_listaviinfo.addstring (strtext );
'// Stream-related, file (the preceding generation is also required)
Avistreamrelease (pvideostream );
Avifileexit ();