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1 <html>
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2
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3 <head>
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4 <title>vorbisfile - seeking_test.c</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>Vorbisfile documentation</p></td>
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12 <td align=right><p class=tiny>vorbisfile 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>seeking_test.c</h1>
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17
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18 <p>
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19 The example program source:
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20
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21 <br><br>
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22 <table border=0 width=100% color=black cellspacing=0 cellpadding=7>
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23 <tr bgcolor=#cccccc>
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24 <td>
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25 <pre><b>
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26
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27 #include <stdlib.h>
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28 #include <stdio.h>
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29 #include "vorbis/codec.h"
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30 #include "vorbis/vorbisfile.h"
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31
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32 int main(){
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33 OggVorbis_File ov;
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34 int i;
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35
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36 #ifdef _WIN32 /* We need to set stdin to binary mode under Windows */
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37 _setmode( _fileno( stdin ), _O_BINARY );
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38 #endif
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39
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40 /* open the file/pipe on stdin */
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41 if(ov_open_callbacks(stdin,&ov,NULL,-1,OV_CALLBACKS_NOCLOSE)==-1){
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42 printf("Could not open input as an OggVorbis file.\n\n");
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43 exit(1);
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44 }
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45
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46 /* print details about each logical bitstream in the input */
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47 if(ov_seekable(&ov)){
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48 double length=ov_time_total(&ov,-1);
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49 printf("testing seeking to random places in %g seconds....\n",length);
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50 for(i=0;i<100;i++){
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51 double val=(double)rand()/RAND_MAX*length;
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52 ov_time_seek(&ov,val);
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53 printf("\r\t%d [%gs]... ",i,val);
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54 fflush(stdout);
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55 }
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56
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57 printf("\r \nOK.\n\n");
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58 }else{
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59 printf("Standard input was not seekable.\n");
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60 }
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61
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62 ov_clear(&ov);
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63 return 0;
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64 }
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65
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66 </b></pre>
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67 </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 <br><br>
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73 <hr noshade>
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74 <table border=0 width=100%>
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75 <tr valign=top>
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76 <td><p class=tiny>copyright © 2000-2010 Xiph.Org</p></td>
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77 <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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78 </tr><tr>
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79 <td><p class=tiny>Vorbisfile documentation</p></td>
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80 <td align=right><p class=tiny>vorbisfile version 1.3.2 - 20101101</p></td>
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81 </tr>
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82 </table>
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83
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84 </body>
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85
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86 </html>
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