4 <title>libogg - Bitpacking Functions</title>
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11 <td><p class=tiny>libogg documentation</p></td>
12 <td align=right><p class=tiny>libogg release 1.0 - 20000615</p></td>
16 <h1>Bitpacking Functions</h1>
17 <p>Libogg contains a basic bitpacking library that is useful for manipulating data within a buffer.
19 All the <b>libogg</b> specific functions are declared in "ogg/ogg.h".
22 <table border=1 color=black width=50% cellspacing=0 cellpadding=7>
24 <td><b>function</b></td>
25 <td><b>purpose</b></td>
28 <td><a href="oggpack_writeinit.html">oggpack_writeinit</a></td>
29 <td>Initializes a buffer for writing using this bitpacking library.</td>
32 <td><a href="oggpack_reset.html">oggpack_reset</a></td>
33 <td>Clears and resets the buffer to the initial position.</td>
36 <td><a href="oggpack_writeclear.html">oggpack_writeclear</a></td>
37 <td>Frees the memory used by the buffer.</td>
40 <td><a href="oggpack_readinit.html">oggpack_readinit</a></td>
41 <td>Initializes a buffer for reading using this bitpacking library.</td>
44 <td><a href="oggpack_write.html">oggpack_write</a></td>
45 <td>Writes bytes to the specified location within the buffer.</td>
48 <td><a href="oggpack_look.html">oggpack_look</a></td>
49 <td>Look at a specified number of bits, <=32, without advancing the location pointer.</td>
52 <td><a href="oggpack_look1.html">oggpack_look1</a></td>
53 <td>Looks at one bit without advancing the location pointer.</td>
56 <td><a href="oggpack_adv.html">oggpack_adv</a></td>
57 <td>Advances the location pointer by a specified number of bits.</td>
60 <td><a href="oggpack_adv1.html">oggpack_adv1</a></td>
61 <td>Advances the location pointer by one bit.</td>
64 <td><a href="oggpack_read.html">oggpack_read</a></td>
65 <td>Reads a specified number of bits from the buffer.</td>
68 <td><a href="oggpack_read1.html">oggpack_read1</a></td>
69 <td>Reads one bit from the buffer.</td>
72 <td><a href="oggpack_bytes.html">oggpack_bytes</a></td>
73 <td>Returns the total number of bytes contained within the buffer.</td>
76 <td><a href="oggpack_bits.html">oggpack_bits</a></td>
77 <td>Returns the total number of bits contained within the buffer.</td>
80 <td><a href="oggpack_get_buffer.html">oggpack_get_buffer</a></td>
81 <td>Returns a pointer to the buffer encapsulated within the <a href="oggpack_buffer.html">oggpack_buffer</a> struct.</td>
87 <table border=0 width=100%>
89 <td><p class=tiny>copyright © 2000 xiph.org</p></td>
90 <td align=right><p class=tiny><a href="http://www.xiph.org/ogg/vorbis/">Ogg Vorbis</a><br><a href="mailto:team@xiph.org">team@xiph.org</a></p></td>
92 <td><p class=tiny>libogg documentation</p></td>
93 <td align=right><p class=tiny>libogg release 1.0 - 20000615</p></td>