1<html> 2 3<head> 4<title>libogg - Bitpacking Functions</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>libogg documentation</p></td> 12<td align=right><p class=tiny>libogg release 1.2.0 - 20100325</p></td> 13</tr> 14</table> 15 16<h1>Bitpacking Functions</h1> 17<p>Libogg contains a basic bitpacking library that is useful for manipulating data within a buffer. 18<p> 19All the <b>libogg</b> specific functions are declared in "ogg/ogg.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="oggpack_writeinit.html">oggpack_writeinit</a></td> 29 <td>Initializes a buffer for writing using this bitpacking library.</td> 30</tr> 31<tr valign=top> 32<td><a href="oggpack_writecheck.html">oggpack_writecheck</a></td> 33 <td>Asynchronously checks error status of bitpacker write buffer.</td> 34</tr> 35<tr valign=top> 36<td><a href="oggpack_reset.html">oggpack_reset</a></td> 37 <td>Clears and resets the buffer to the initial position.</td> 38</tr> 39<tr valign=top> 40<td><a href="oggpack_writeclear.html">oggpack_writeclear</a></td> 41 <td>Frees the memory used by the buffer.</td> 42</tr> 43<tr valign=top> 44<td><a href="oggpack_readinit.html">oggpack_readinit</a></td> 45 <td>Initializes a buffer for reading using this bitpacking library.</td> 46</tr> 47<tr valign=top> 48<td><a href="oggpack_write.html">oggpack_write</a></td> 49 <td>Writes bytes to the specified location within the buffer.</td> 50</tr> 51<tr valign=top> 52<td><a href="oggpack_look.html">oggpack_look</a></td> 53 <td>Look at a specified number of bits, <=32, without advancing the location pointer.</td> 54</tr> 55<tr valign=top> 56<td><a href="oggpack_look1.html">oggpack_look1</a></td> 57 <td>Looks at one bit without advancing the location pointer.</td> 58</tr> 59<tr valign=top> 60<td><a href="oggpack_adv.html">oggpack_adv</a></td> 61 <td>Advances the location pointer by a specified number of bits.</td> 62</tr> 63<tr valign=top> 64<td><a href="oggpack_adv1.html">oggpack_adv1</a></td> 65 <td>Advances the location pointer by one bit.</td> 66</tr> 67<tr valign=top> 68<td><a href="oggpack_read.html">oggpack_read</a></td> 69 <td>Reads a specified number of bits from the buffer.</td> 70</tr> 71<tr valign=top> 72<td><a href="oggpack_read1.html">oggpack_read1</a></td> 73 <td>Reads one bit from the buffer.</td> 74</tr> 75<tr valign=top> 76<td><a href="oggpack_bytes.html">oggpack_bytes</a></td> 77 <td>Returns the total number of bytes contained within the buffer.</td> 78</tr> 79<tr valign=top> 80<td><a href="oggpack_bits.html">oggpack_bits</a></td> 81 <td>Returns the total number of bits contained within the buffer.</td> 82</tr> 83<tr valign=top> 84<td><a href="oggpack_get_buffer.html">oggpack_get_buffer</a></td> 85 <td>Returns a pointer to the buffer encapsulated within the <a href="oggpack_buffer.html">oggpack_buffer</a> struct.</td> 86</tr> 87</table> 88 89<br><br> 90<hr noshade> 91<table border=0 width=100%> 92<tr valign=top> 93<td><p class=tiny>copyright © 2000-2010 Xiph.Org</p></td> 94<td align=right><p class=tiny><a href="http://www.xiph.org/ogg/">Ogg Container Format</a></p></td> 95</tr><tr> 96<td><p class=tiny>libogg documentation</p></td> 97<td align=right><p class=tiny>libogg release 1.2.0 - 20100325</p></td> 98</tr> 99</table> 100 101</body> 102 103</html> 104