12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485 |
- <html>
- <head>
- <title>Vorbisfile - function - ov_pcm_seek_page</title>
- <link rel=stylesheet href="style.css" type="text/css">
- </head>
- <body bgcolor=white text=black link="#5555ff" alink="#5555ff" vlink="#5555ff">
- <table border=0 width=100%>
- <tr>
- <td><p class=tiny>Vorbisfile documentation</p></td>
- <td align=right><p class=tiny>vorbisfile version 1.2.0 - 20070723</p></td>
- </tr>
- </table>
- <h1>ov_pcm_seek_page</h1>
- <p><i>declared in "vorbis/vorbisfile.h";</i></p>
- <p>Seeks to the closest page preceding the specified location (in pcm samples) within the physical bitstream. This function only works for seekable streams.
- <p>This function is faster than <a href="ov_pcm_seek.html">ov_pcm_seek</a> because the function can begin decoding at a page boundary rather than seeking through any remaining samples before the specified location. However, it is less accurate.
- <p>This also updates everything needed within the
- decoder, so you can immediately call <a href="ov_read.html">ov_read()</a> and get data from
- the newly seeked to position.
- <p>
- <br><br>
- <table border=0 color=black cellspacing=0 cellpadding=7>
- <tr bgcolor=#cccccc>
- <td>
- <pre><b>
- int ov_pcm_seek_page(OggVorbis_File *vf,ogg_int64_t pos);
- </b></pre>
- </td>
- </tr>
- </table>
- <h3>Parameters</h3>
- <dl>
- <dt><i>vf</i></dt>
- <dd>A pointer to the OggVorbis_File structure--this is used for ALL the externally visible libvorbisfile
- functions.</dd>
- <dt><i>pos</i></dt>
- <dd>Position in pcm samples to seek to in the bitstream.</dd>
- </dl>
- <h3>Return Values</h3>
- <blockquote>
- <ul>
- <li>0 for success</li>
- <li>
- nonzero indicates failure, described by several error codes:
- <ul>
- <li>OV_ENOSEEK - Bitstream is not seekable.
- </li>
- <li>OV_EINVAL - Invalid argument value; possibly called with an OggVorbis_File structure that isn't open.
- </li>
- <li>OV_EREAD - A read from media returned an error.
- </li>
- <li>OV_EFAULT - Internal logic fault; indicates a bug or heap/stack
- corruption.
- </li>
- <li>OV_EBADLINK - Invalid stream section supplied to libvorbisfile, or the requested link is corrupt.
- </li>
- </ul></li>
- </ul></blockquote>
- <br><br>
- <hr noshade>
- <table border=0 width=100%>
- <tr valign=top>
- <td><p class=tiny>copyright © 2007 Xiph.org</p></td>
- <td align=right><p class=tiny><a href="http://www.xiph.org/ogg/vorbis/">Ogg Vorbis</a></p></td>
- </tr><tr>
- <td><p class=tiny>Vorbisfile documentation</p></td>
- <td align=right><p class=tiny>vorbisfile version 1.2.0 - 20070723</p></td>
- </tr>
- </table>
- </body>
- </html>
|