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1 <html>
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3 <head>
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4 <title>libvorbis - function - vorbis_synthesis_lapout</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>libvorbis documentation</p></td>
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12 <td align=right><p class=tiny>libvorbis version 1.3.2 - 20101101</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>vorbis_synthesis_lapout</h1>
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17
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18 <p><i>declared in "vorbis/codec.h";</i></p>
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19
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20 <p>This function retrieves buffers containing decoded audio samples, similarly
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21 to <a href="vorbis_synthesis_pcmout.html">vorbis_synthesis_pcmout</a>.
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22 However, it includes some extra samples extrapolated from the end of
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23 the audio, suitable for crosslapping with other blocks. This exists mainly
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24 for <a href="../vorbisfile/index.html">libvorbisfile</a> to use for
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25 handling chained bitstreams and bitstreams with holes.</p>
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26
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27 <table border=0 color=black cellspacing=0 cellpadding=7>
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28 <tr bgcolor=#cccccc>
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29 <td>
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30 <pre><b>
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31 extern int vorbis_synthesis_lapout(vorbis_dsp_state *v,float ***pcm);
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32 </b></pre>
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33 </td>
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34 </tr>
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35 </table>
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36
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37 <h3>Parameters</h3>
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38 <dl>
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39 <dt><i>v</i></dt>
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40 <dd>The <a href="vorbis_dsp_state.html">vorbis_dsp_state</a> for the
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41 decoder instance.</dd>
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42 <dt><i>pcm</i></dt>
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43 <dd>A pointer to a float** which will be made to point to an array of
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44 pointers to the decoded samples for each channel. The memory is owned
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45 by the decoder instance and will be freed when the application continues
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46 decoding or destroys the decoder instance. This can be NULL, in which
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47 case the return value gives the number of samples that would be returned
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48 if this function were called with a non-NULL pointer here.</dd>
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49 </dl>
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50
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51
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52 <h3>Return Values</h3>
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53 <blockquote>
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54 <li>The number of samples available in the output buffer.</li>
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55 <li>0 if no more samples are currently available.</li>
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56 </blockquote>
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57 <p>
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58
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59 <br><br>
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60 <hr noshade>
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61 <table border=0 width=100%>
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62 <tr valign=top>
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63 <td><p class=tiny>copyright © 2010 Xiph.Org</p></td>
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64 <td align=right><p class=tiny><a href="http://www.xiph.org/ogg/vorbis/index.html">Ogg Vorbis</a></p></td>
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65 </tr><tr>
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66 <td><p class=tiny>libvorbis documentation</p></td>
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67 <td align=right><p class=tiny>libvorbis version 1.3.2 - 20101101</p></td>
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68 </tr>
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69 </table>
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70
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71
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72 </body>
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73
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74 </html>
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