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1 <html>
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2
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3 <head>
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4 <title>libogg - function - ogg_stream_pageout_fill</title>
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5 <link rel=stylesheet href="style.css" type="text/css">
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6 </head>
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7
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8 <body bgcolor=white text=black link="#5555ff" alink="#5555ff" vlink="#5555ff">
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9 <table border=0 width=100%>
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10 <tr>
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11 <td><p class=tiny>libogg documentation</p></td>
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12 <td align=right><p class=tiny>libogg release 1.3.0 - 20110804</p></td>
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13 </tr>
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14 </table>
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15
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16 <h1>ogg_stream_pageout_fill</h1>
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17
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18 <p><i>declared in "ogg/ogg.h";</i></p>
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19
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20 <p>This function forms packets into pages, similar
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21 to <a href="ogg_stream_pageout.html">ogg_stream_pageout()</a>, but
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22 allows applications to explicitly request a specific page spill
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23 size.</p>
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24
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25 <p>In a typical encoding situation, this would be called after using <a
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26 href="ogg_stream_packetin.html">ogg_stream_packetin()</a> to submit
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27 data packets to the bitstream. Internally, this function assembles
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28 the accumulated packet bodies into an Ogg page suitable for writing
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29 to a stream. The function is typically called in a loop until there
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30 are no more pages ready for output.</p>
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31
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32 <p>This function will return a page when at least four packets have
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33 been accumulated and accumulated packet data meets or exceeds the
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34 specified number of bytes, <b>and/or</b> when the accumulated packet
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35 data meets/exceeds the maximum page size regardless of accumulated
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36 packet count.
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37 Call <a href="ogg_stream_flush.html">ogg_stream_flush()</a> or
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38 <a href="ogg_stream_flush_fill.html">ogg_stream_flush_fill()</a> if
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39 immediate page generation is desired regardless of accumulated data.</p>
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40
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41 <br><br>
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42 <table border=0 color=black cellspacing=0 cellpadding=7>
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43 <tr bgcolor=#cccccc>
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44 <td>
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45 <pre><b>
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46 int ogg_stream_pageout_fill(<a href="ogg_stream_state.html">ogg_stream_state</a> *os, <a href="ogg_page.html">ogg_page</a> *og, int fillbytes);
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47 </b></pre>
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48 </td>
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49 </tr>
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50 </table>
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51
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52 <h3>Parameters</h3>
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53 <dl>
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54 <dt><i>os</i></dt>
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55 <dd>Pointer to a previously declared <a href="ogg_stream.html">ogg_stream</a> struct, which represents the current logical bitstream.</dd>
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56 <dt><i>og</i></dt>
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57 <dd>Pointer to an <a href="ogg_page.html">ogg_page</a> structure to fill
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58 in. Data pointed to is owned by libogg. The structure is valid until the
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59 next call to ogg_stream_pageout(), ogg_stream_packetin(), or
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60 ogg_stream_flush().</dd>
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61 <dt><i>fillbytes</i></dt>
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62 <dd>Packet data watermark in bytes.</dd>
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63 </dl>
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64
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65
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66 <h3>Return Values</h3>
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67 <blockquote>
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68 <li>Zero means that insufficient data has accumulated to fill a page, or an internal error occurred. In
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69 this case <i>og</i> is not modified.</li>
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70 <li>Non-zero means that a page has been completed and returned.</li>
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71 </blockquote>
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72 <p>
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73
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74 <br><br>
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75 <hr noshade>
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76 <table border=0 width=100%>
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77 <tr valign=top>
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78 <td><p class=tiny>copyright © 2000-2010 xiph.org</p></td>
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79 <td align=right><p class=tiny><a href="http://www.xiph.org/ogg/">Ogg Container Format</a></p></td>
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80 </tr><tr>
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81 <td><p class=tiny>libogg documentation</p></td>
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82 <td align=right><p class=tiny>libogg release 1.3.0 - 20110804</p></td>
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83 </tr>
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84 </table>
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85
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86
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87 </body>
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88
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89 </html>
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