| 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="https://xiph.org/vorbis/">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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