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> 19 All 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
