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1 <html>
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2
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3 <head>
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4 <title>vorbisfile - vorbisfile_example.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>vorbisfile_example.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 #include <stdio.h>
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27 #include <stdlib.h>
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28 #include <math.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 #ifdef _WIN32
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33 #include <io.h>
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34 #include <fcntl.h>
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35 #endif
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36
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37 char pcmout[4096];
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38
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39 int main(int argc, char **argv){
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40 OggVorbis_File vf;
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41 int eof=0;
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42 int current_section;
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43
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44 #ifdef _WIN32
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45 _setmode( _fileno( stdin ), _O_BINARY );
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46 _setmode( _fileno( stdout ), _O_BINARY );
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47 #endif
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48
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49 if(ov_open_callbacks(stdin, &vf, NULL, 0, OV_CALLBACKS_NOCLOSE) < 0) {
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50 fprintf(stderr,"Input does not appear to be an Ogg bitstream.\n");
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51 exit(1);
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52 }
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53
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54 {
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55 char **ptr=ov_comment(&vf,-1)->user_comments;
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56 vorbis_info *vi=ov_info(&vf,-1);
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57 while(*ptr){
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58 fprintf(stderr,"%s\n",*ptr);
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59 ++ptr;
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60 }
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61 fprintf(stderr,"\nBitstream is %d channel, %ldHz\n",vi->channels,vi->rate);
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62 fprintf(stderr,"Encoded by: %s\n\n",ov_comment(&vf,-1)->vendor);
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63 }
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64
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65 while(!eof){
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66 long ret=ov_read(&vf,pcmout,sizeof(pcmout),0,2,1,¤t_section);
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67 if (ret == 0) {
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68 /* EOF */
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69 eof=1;
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70 } else if (ret < 0) {
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71 /* error in the stream. Not a problem, just reporting it in
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72 case we (the app) cares. In this case, we don't. */
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73 } else {
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74 /* we don't bother dealing with sample rate changes, etc, but
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75 you'll have to */
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76 fwrite(pcmout,1,ret,stdout);
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77 }
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78 }
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79
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80 ov_clear(&vf);
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81
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82 fprintf(stderr,"Done.\n");
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83 return(0);
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84 }
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85
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86 </b></pre>
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87 </td>
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88 </tr>
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89 </table>
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90
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91
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92 <br><br>
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93 <hr noshade>
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94 <table border=0 width=100%>
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95 <tr valign=top>
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96 <td><p class=tiny>copyright © 2000-2010 Xiph.Org</p></td>
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97 <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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98 </tr><tr>
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99 <td><p class=tiny>Vorbisfile documentation</p></td>
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100 <td align=right><p class=tiny>vorbisfile version 1.3.2 - 20101101</p></td>
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101 </tr>
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102 </table>
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103
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104 </body>
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105
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106 </html>
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