vorbis/doc/vorbisfile/ov_info.html

   1 <html>
   2
   3 <head>
   4 <title>Vorbisfile - function - ov_info</title>
   5 <link rel=stylesheet href="style.css" type="text/css">
   6 </head>
   7
   8 <body bgcolor=white text=black link="#5555ff" alink="#5555ff" vlink="#5555ff">
   9 <table border=0 width=100%>
  10 <tr>
  11 <td><p class=tiny>Vorbisfile documentation</p></td>
  12 <td align=right><p class=tiny>vorbisfile version 1.3.2 - 20101101</p></td>
  13 </tr>
  14 </table>
  15
  16 <h1>ov_info</h1>
  17
  18 <p><i>declared in "vorbis/vorbisfile.h";</i></p>
  19
  20 <p>Returns the <a href="../libvorbis/vorbis_info.html">vorbis_info</a> struct for the specified bitstream.  For nonseekable files, always returns the current vorbis_info struct.
  21
  22 <br><br>
  23 <table border=0 color=black cellspacing=0 cellpadding=7>
  24 <tr bgcolor=#cccccc>
  25         <td>
  26 <pre><b>
  27 vorbis_info *ov_info(<a href="OggVorbis_File.html">OggVorbis_File</a> *vf,int link);
  28 </b></pre>
  29         </td>
  30 </tr>
  31 </table>
  32
  33 <h3>Parameters</h3>
  34 <dl>
  35 <dt><i>vf</i></dt>
  36 <dd>A pointer to the OggVorbis_File structure--this is used for ALL the externally visible libvorbisfile
  37 functions. </dd>
  38 <dt><i>i</i></dt>
  39 <dd>Link to the desired logical bitstream.  For nonseekable files, this argument is ignored.  To retrieve the <a href="../libvorbis/vorbis_info.html">vorbis_info</a> struct for the current bitstream, this parameter should be set to -1.</dd>
  40 </dl>
  41
  42
  43 <h3>Return Values</h3>
  44 <blockquote>
  45 <li>Returns the vorbis_info struct for the specified bitstream.  Returns vorbis_info for current bitstream if the file is nonseekable or i=-1.</li>
  46 <li>NULL if the specified bitstream does not exist or the file has been initialized improperly.</li>
  47 </blockquote>
  48 <p>
  49
  50 <br><br>
  51 <hr noshade>
  52 <table border=0 width=100%>
  53 <tr valign=top>
  54 <td><p class=tiny>copyright &copy; 2000-2010 Xiph.Org</p></td>
  55 <td align=right><p class=tiny><a href="http://www.xiph.org/ogg/vorbis/">Ogg Vorbis</a></p></td>
  56 </tr><tr>
  57 <td><p class=tiny>Vorbisfile documentation</p></td>
  58 <td align=right><p class=tiny>vorbisfile version 1.3.2 - 20101101</p></td>
  59 </tr>
  60 </table>
  61
  62 </body>
  63
  64 </html>