1<html> 2 3<head> 4<title>Vorbisfile - File Information</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>Vorbisfile documentation</p></td> 12<td align=right><p class=tiny>vorbisfile version 1.2.0 - 20070723</p></td> 13</tr> 14</table> 15 16<h1>File Information</h1> 17<p>Libvorbisfile contains many functions to get information about bitstream attributes and decoding status. 18<p> 19All libvorbisfile file information routines are declared in "vorbis/vorbisfile.h". 20<p> 21 22<table border=1 color=black width=50% cellspacing=0 cellpadding=7> 23<tr bgcolor=#cccccc> 24 <td><b>function</b></td> 25 <td><b>purpose</b></td> 26</tr> 27<tr valign=top> 28 <td><a href="ov_bitrate.html">ov_bitrate</a></td> 29 <td>Returns the average bitrate of the current logical bitstream.</td> 30</tr> 31<tr valign=top> 32 <td><a href="ov_bitrate_instant.html">ov_bitrate_instant</a></td> 33 <td>Returns the exact bitrate since the last call of this function, or -1 if at the beginning of the bitream or no new information is available.</td> 34</tr> 35<tr valign=top> 36 <td><a href="ov_streams.html">ov_streams</a></td> 37 <td>Gives the number of logical bitstreams within the current physical bitstream.</td> 38</tr> 39<tr valign=top> 40 <td><a href="ov_seekable.html">ov_seekable</a></td> 41 <td>Indicates whether the bitstream is seekable.</td> 42</tr> 43<tr valign=top> 44 <td><a href="ov_serialnumber.html">ov_serialnumber</a></td> 45 <td>Returns the unique serial number of the specified logical bitstream.</td> 46</tr> 47<tr valign=top> 48 <td><a href="ov_raw_total.html">ov_raw_total</a></td> 49 <td>Returns the total (compressed) bytes in a physical or logical seekable bitstream.</td> 50</tr> 51<tr valign=top> 52 <td><a href="ov_pcm_total.html">ov_pcm_total</a></td> 53 <td>Returns the total number of samples in a physical or logical seekable bitstream.</td> 54</tr> 55<tr valign=top> 56 <td><a href="ov_time_total.html">ov_time_total</a></td> 57 <td>Returns the total time length in seconds of a physical or logical seekable bitstream.</td> 58</tr> 59<tr valign=top> 60 <td><a href="ov_raw_tell.html">ov_raw_tell</a></td> 61 <td>Returns the byte location of the next sample to be read, giving the approximate location in the stream that the decoding engine has reached.</td> 62</tr> 63<tr valign=top> 64 <td><a href="ov_pcm_tell.html">ov_pcm_tell</a></td> 65 <td>Returns the sample location of the next sample to be read, giving the approximate location in the stream that the decoding engine has reached.</td> 66</tr> 67<tr valign=top> 68 <td><a href="ov_time_tell.html">ov_time_tell</a></td> 69 <td>Returns the time location of the next sample to be read, giving the approximate location in the stream that the decoding engine has reached.</td> 70</tr> 71<tr valign=top> 72 <td><a href="ov_info.html">ov_info</a></td> 73 <td>Returns the <a href="vorbis_info.html">vorbis_info</a> struct for a specific bitstream section.</td> 74</tr> 75<tr valign=top> 76 <td><a href="ov_comment.html">ov_comment</a></td> 77 <td>Returns attached <a href="vorbis_comment.html">comments</a> for the current bitstream.</td> 78</tr> 79</table> 80 81<br><br> 82<hr noshade> 83<table border=0 width=100%> 84<tr valign=top> 85<td><p class=tiny>copyright © 2007 Xiph.org</p></td> 86<td align=right><p class=tiny><a href="http://www.xiph.org/ogg/vorbis/">Ogg Vorbis</a></p></td> 87</tr><tr> 88<td><p class=tiny>Vorbisfile documentation</p></td> 89<td align=right><p class=tiny>vorbisfile version 1.2.0 - 20070723</p></td> 90</tr> 91</table> 92 93</body> 94 95</html> 96