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comparison src/libvorbis-1.3.3/doc/libvorbis/vorbis_info.html @ 1:05aa0afa9217
Bring in flac, ogg, vorbis
| author | Chris Cannam |
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| date | Tue, 19 Mar 2013 17:37:49 +0000 |
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| 0:c7265573341e | 1:05aa0afa9217 |
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| 1 <html> | |
| 2 | |
| 3 <head> | |
| 4 <title>libvorbis - datatype - vorbis_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>libvorbis documentation</p></td> | |
| 12 <td align=right><p class=tiny>libvorbis version 1.3.2 - 20101101</p></td> | |
| 13 </tr> | |
| 14 </table> | |
| 15 | |
| 16 <h1>vorbis_info</h1> | |
| 17 | |
| 18 <p><i>declared in "vorbis/codec.h"</i></p> | |
| 19 | |
| 20 <p> | |
| 21 The vorbis_info structure contains basic information about the audio in a vorbis bitstream. | |
| 22 <p> | |
| 23 | |
| 24 <table border=0 width=100% color=black cellspacing=0 cellpadding=7> | |
| 25 <tr bgcolor=#cccccc> | |
| 26 <td> | |
| 27 <pre><b>typedef struct vorbis_info{ | |
| 28 int version; | |
| 29 int channels; | |
| 30 long rate; | |
| 31 | |
| 32 long bitrate_upper; | |
| 33 long bitrate_nominal; | |
| 34 long bitrate_lower; | |
| 35 long bitrate_window; | |
| 36 | |
| 37 void *codec_setup; | |
| 38 | |
| 39 } vorbis_info;</b></pre> | |
| 40 </td> | |
| 41 </tr> | |
| 42 </table> | |
| 43 | |
| 44 <h3>Relevant Struct Members</h3> | |
| 45 <dl> | |
| 46 <dt><i>version</i></dt> | |
| 47 <dd>Vorbis encoder version used to create this bitstream.</dd> | |
| 48 <dt><i>channels</i></dt> | |
| 49 <dd>Int signifying number of channels in bitstream.</dd> | |
| 50 <dt><i>rate</i></dt> | |
| 51 <dd>Sampling rate of the bitstream.</dd> | |
| 52 <dt><i>bitrate_upper</i></dt> | |
| 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> | |
| 54 <dt><i>bitrate_nominal</i></dt> | |
| 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> | |
| 56 <dt><i>bitrate_lower</i></dt> | |
| 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> | |
| 58 <dt><i>bitrate_window</i></dt> | |
| 59 <dd>Currently unset.</dd> | |
| 60 | |
| 61 <dt><i>codec_setup</i></dt> | |
| 62 <dd>Internal structure that contains the detailed/unpacked configuration for decoding the current Vorbis bitstream.</dd> | |
| 63 </dl> | |
| 64 | |
| 65 | |
| 66 <br><br> | |
| 67 <hr noshade> | |
| 68 <table border=0 width=100%> | |
| 69 <tr valign=top> | |
| 70 <td><p class=tiny>copyright © 2000-2010 Xiph.Org</p></td> | |
| 71 <td align=right><p class=tiny><a href="http://www.xiph.org/ogg/vorbis/">Ogg Vorbis</a></p></td> | |
| 72 </tr><tr> | |
| 73 <td><p class=tiny>libvorbis documentation</p></td> | |
| 74 <td align=right><p class=tiny>libvorbis version 1.3.2 - 20101101</p></td> | |
| 75 </tr> | |
| 76 </table> | |
| 77 | |
| 78 </body> | |
| 79 | |
| 80 </html> |