<html> <head> <title>Vorbisfile - datatype - vorbis_info</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>vorbis_info</h1> <p><i>declared in "vorbis/codec.h"</i></p> <p> The vorbis_info structure contains basic information about the audio in a vorbis bitstream. <p> <table border=0 width=100% color=black cellspacing=0 cellpadding=7> <tr bgcolor=#cccccc> <td> <pre><b>typedef struct vorbis_info{ int version; int channels; long rate; long bitrate_upper; long bitrate_nominal; long bitrate_lower; long bitrate_window; void *codec_setup; } vorbis_info;</b></pre> </td> </tr> </table> <h3>Relevant Struct Members</h3> <dl> <dt><i>version</i></dt> <dd>Vorbis encoder version used to create this bitstream.</dd> <dt><i>channels</i></dt> <dd>Int signifying number of channels in bitstream.</dd> <dt><i>rate</i></dt> <dd>Sampling rate of the bitstream.</dd> <dt><i>bitrate_upper</i></dt> <dd>Specifies the upper limit in a VBR bitstream. If the value matches the bitrate_nominal and bitrate_lower parameters, the stream is fixed bitrate. May be unset if no limit exists.</dd> <dt><i>bitrate_nominal</i></dt> <dd>Specifies the average bitrate for a VBR bitstream. May be unset. If the bitrate_upper and bitrate_lower parameters match, the stream is fixed bitrate.</dd> <dt><i>bitrate_lower</i></dt> <dd>Specifies the lower limit in a VBR bitstream. If the value matches the bitrate_nominal and bitrate_upper parameters, the stream is fixed bitrate. May be unset if no limit exists.</dd> <dt><i>bitrate_window</i></dt> <dd>Currently unset.</dd> <dt><i>codec_setup</i></dt> <dd>Internal structure that contains the detailed/unpacked configuration for decoding the current Vorbis bitstream.</dd> </dl> <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>