00001 <html> 00002 00003 <head> 00004 <title>Tremor - function - ov_pcm_seek</title> 00005 <link rel=stylesheet href="style.css" type="text/css"> 00006 </head> 00007 00008 <body bgcolor=white text=black link="#5555ff" alink="#5555ff" vlink="#5555ff"> 00009 <table border=0 width=100%> 00010 <tr> 00011 <td><p class=tiny>Tremor documentation</p></td> 00012 <td align=right><p class=tiny>Tremor version 1.0 - 20020403</p></td> 00013 </tr> 00014 </table> 00015 00016 <h1>ov_pcm_seek</h1> 00017 00018 <p><i>declared in "ivorbisfile.h";</i></p> 00019 00020 <p>Seeks to the offset specified (in pcm samples) within the physical bitstream. This function only works for seekable streams. 00021 <p>This also updates everything needed within the 00022 decoder, so you can immediately call <a href="ov_read.html">ov_read()</a> and get data from 00023 the newly seeked to position. 00024 <p> 00025 00026 <br><br> 00027 <table border=0 color=black cellspacing=0 cellpadding=7> 00028 <tr bgcolor=#cccccc> 00029 <td> 00030 <pre><b> 00031 int ov_pcm_seek(OggVorbis_File *vf,ogg_int64_t pos); 00032 </b></pre> 00033 </td> 00034 </tr> 00035 </table> 00036 00037 <h3>Parameters</h3> 00038 <dl> 00039 <dt><i>vf</i></dt> 00040 <dd>A pointer to the OggVorbis_File structure--this is used for ALL the externally visible libvorbisidec 00041 functions.</dd> 00042 <dt><i>pos</i></dt> 00043 <dd>Position in pcm samples to seek to in the bitstream.</dd> 00044 </dl> 00045 00046 00047 <h3>Return Values</h3> 00048 <blockquote> 00049 <li>0 for success</li> 00050 00051 <li> 00052 nonzero indicates failure, described by several error codes:</li> 00053 <ul> 00054 <li>OV_ENOSEEK - Bitstream is not seekable. 00055 </li> 00056 <li>OV_EINVAL - Invalid argument value. 00057 </li> 00058 <li>OV_EREAD - A read from media returned an error. 00059 </li> 00060 <li>OV_EFAULT - Internal logic fault; indicates a bug or heap/stack 00061 corruption. 00062 </li> 00063 <li>OV_EBADLINK - Invalid stream section supplied to libvorbisidec, or the requested link is corrupt. 00064 </li> 00065 </ul></blockquote> 00066 00067 <br><br> 00068 <hr noshade> 00069 <table border=0 width=100%> 00070 <tr valign=top> 00071 <td><p class=tiny>copyright © 2002 Xiph.org</p></td> 00072 <td align=right><p class=tiny><a href="http://www.xiph.org/ogg/vorbis/">Ogg Vorbis</a></p></td> 00073 </tr><tr> 00074 <td><p class=tiny>Tremor documentation</p></td> 00075 <td align=right><p class=tiny>Tremor version 1.0 - 20020403</p></td> 00076 </tr> 00077 </table> 00078 00079 </body> 00080 00081 </html>