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| 3 | <head>
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| 4 | <title>libvorbis - datatype - vorbis_info</title>
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| 5 | <link rel=stylesheet href="style.css" type="text/css">
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| 6 | </head>
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| 7 |
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| 8 | <body bgcolor=white text=black link="#5555ff" alink="#5555ff" vlink="#5555ff">
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| 9 | <table border=0 width=100%>
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| 10 | <tr>
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| 11 | <td><p class=tiny>libvorbis documentation</p></td>
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| 12 | <td align=right><p class=tiny>libvorbis version 1.3.2 - 20101101</p></td>
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| 13 | </tr>
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| 14 | </table>
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| 15 |
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| 16 | <h1>vorbis_info</h1>
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| 17 |
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| 18 | <p><i>declared in "vorbis/codec.h"</i></p>
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| 19 |
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| 20 | <p>
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| 21 | The vorbis_info structure contains basic information about the audio in a vorbis bitstream.
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| 22 | <p>
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| 23 |
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| 24 | <table border=0 width=100% color=black cellspacing=0 cellpadding=7>
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| 25 | <tr bgcolor=#cccccc>
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| 26 | <td>
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| 27 | <pre><b>typedef struct vorbis_info{
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| 28 | int version;
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| 29 | int channels;
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| 30 | long rate;
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| 31 |
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| 32 | long bitrate_upper;
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| 33 | long bitrate_nominal;
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| 34 | long bitrate_lower;
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| 35 | long bitrate_window;
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| 36 |
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| 37 | void *codec_setup;
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| 38 |
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| 39 | } vorbis_info;</b></pre>
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| 40 | </td>
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| 41 | </tr>
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| 42 | </table>
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| 43 |
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| 44 | <h3>Relevant Struct Members</h3>
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| 45 | <dl>
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| 46 | <dt><i>version</i></dt>
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| 47 | <dd>Vorbis encoder version used to create this bitstream.</dd>
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| 48 | <dt><i>channels</i></dt>
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| 49 | <dd>Int signifying number of channels in bitstream.</dd>
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| 50 | <dt><i>rate</i></dt>
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| 51 | <dd>Sampling rate of the bitstream.</dd>
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| 52 | <dt><i>bitrate_upper</i></dt>
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| 53 | <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>
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| 54 | <dt><i>bitrate_nominal</i></dt>
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| 55 | <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>
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| 56 | <dt><i>bitrate_lower</i></dt>
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| 57 | <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>
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| 58 | <dt><i>bitrate_window</i></dt>
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| 59 | <dd>Currently unset.</dd>
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| 60 |
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| 61 | <dt><i>codec_setup</i></dt>
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| 62 | <dd>Internal structure that contains the detailed/unpacked configuration for decoding the current Vorbis bitstream.</dd>
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| 63 | </dl>
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| 64 |
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| 65 |
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| 66 | <br><br>
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| 67 | <hr noshade>
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| 68 | <table border=0 width=100%>
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| 69 | <tr valign=top>
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| 70 | <td><p class=tiny>copyright © 2000-2010 Xiph.Org</p></td>
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| 71 | <td align=right><p class=tiny><a href="https://xiph.org/vorbis/">Ogg Vorbis</a></p></td>
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| 72 | </tr><tr>
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| 73 | <td><p class=tiny>libvorbis documentation</p></td>
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| 74 | <td align=right><p class=tiny>libvorbis version 1.3.2 - 20101101</p></td>
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| 75 | </tr>
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| 76 | </table>
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| 77 |
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| 78 | </body>
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| 79 |
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| 80 | </html>
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