| 1 | <html>
|
|---|
| 2 |
|
|---|
| 3 | <head>
|
|---|
| 4 | <title>vorbisfile - vorbisfile_example.c</title>
|
|---|
| 5 | <link rel=stylesheet href="style.css" type="text/css">
|
|---|
| 6 | </head>
|
|---|
| 7 |
|
|---|
| 8 | <body bgcolor=white text=black link="#5555ff" alink="#5555ff" vlink="#5555ff">
|
|---|
| 9 | <table border=0 width=100%>
|
|---|
| 10 | <tr>
|
|---|
| 11 | <td><p class=tiny>Vorbisfile documentation</p></td>
|
|---|
| 12 | <td align=right><p class=tiny>vorbisfile version 1.3.2 - 20101101</p></td>
|
|---|
| 13 | </tr>
|
|---|
| 14 | </table>
|
|---|
| 15 |
|
|---|
| 16 | <h1>vorbisfile_example.c</h1>
|
|---|
| 17 |
|
|---|
| 18 | <p>
|
|---|
| 19 | The example program source:
|
|---|
| 20 |
|
|---|
| 21 | <br><br>
|
|---|
| 22 | <table border=0 width=100% color=black cellspacing=0 cellpadding=7>
|
|---|
| 23 | <tr bgcolor=#cccccc>
|
|---|
| 24 | <td>
|
|---|
| 25 | <pre><b>
|
|---|
| 26 | #include <stdio.h>
|
|---|
| 27 | #include <stdlib.h>
|
|---|
| 28 | #include <math.h>
|
|---|
| 29 | #include "vorbis/codec.h"
|
|---|
| 30 | #include "vorbis/vorbisfile.h"
|
|---|
| 31 |
|
|---|
| 32 | #ifdef _WIN32
|
|---|
| 33 | #include <io.h>
|
|---|
| 34 | #include <fcntl.h>
|
|---|
| 35 | #endif
|
|---|
| 36 |
|
|---|
| 37 | char pcmout[4096];
|
|---|
| 38 |
|
|---|
| 39 | int main(int argc, char **argv){
|
|---|
| 40 | OggVorbis_File vf;
|
|---|
| 41 | int eof=0;
|
|---|
| 42 | int current_section;
|
|---|
| 43 |
|
|---|
| 44 | #ifdef _WIN32
|
|---|
| 45 | _setmode( _fileno( stdin ), _O_BINARY );
|
|---|
| 46 | _setmode( _fileno( stdout ), _O_BINARY );
|
|---|
| 47 | #endif
|
|---|
| 48 |
|
|---|
| 49 | if(ov_open_callbacks(stdin, &vf, NULL, 0, OV_CALLBACKS_NOCLOSE) < 0) {
|
|---|
| 50 | fprintf(stderr,"Input does not appear to be an Ogg bitstream.\n");
|
|---|
| 51 | exit(1);
|
|---|
| 52 | }
|
|---|
| 53 |
|
|---|
| 54 | {
|
|---|
| 55 | char **ptr=ov_comment(&vf,-1)->user_comments;
|
|---|
| 56 | vorbis_info *vi=ov_info(&vf,-1);
|
|---|
| 57 | while(*ptr){
|
|---|
| 58 | fprintf(stderr,"%s\n",*ptr);
|
|---|
| 59 | ++ptr;
|
|---|
| 60 | }
|
|---|
| 61 | fprintf(stderr,"\nBitstream is %d channel, %ldHz\n",vi->channels,vi->rate);
|
|---|
| 62 | fprintf(stderr,"Encoded by: %s\n\n",ov_comment(&vf,-1)->vendor);
|
|---|
| 63 | }
|
|---|
| 64 |
|
|---|
| 65 | while(!eof){
|
|---|
| 66 | long ret=ov_read(&vf,pcmout,sizeof(pcmout),0,2,1,&current_section);
|
|---|
| 67 | if (ret == 0) {
|
|---|
| 68 | /* EOF */
|
|---|
| 69 | eof=1;
|
|---|
| 70 | } else if (ret < 0) {
|
|---|
| 71 | /* error in the stream. Not a problem, just reporting it in
|
|---|
| 72 | case we (the app) cares. In this case, we don't. */
|
|---|
| 73 | } else {
|
|---|
| 74 | /* we don't bother dealing with sample rate changes, etc, but
|
|---|
| 75 | you'll have to */
|
|---|
| 76 | fwrite(pcmout,1,ret,stdout);
|
|---|
| 77 | }
|
|---|
| 78 | }
|
|---|
| 79 |
|
|---|
| 80 | ov_clear(&vf);
|
|---|
| 81 |
|
|---|
| 82 | fprintf(stderr,"Done.\n");
|
|---|
| 83 | return(0);
|
|---|
| 84 | }
|
|---|
| 85 |
|
|---|
| 86 | </b></pre>
|
|---|
| 87 | </td>
|
|---|
| 88 | </tr>
|
|---|
| 89 | </table>
|
|---|
| 90 |
|
|---|
| 91 |
|
|---|
| 92 | <br><br>
|
|---|
| 93 | <hr noshade>
|
|---|
| 94 | <table border=0 width=100%>
|
|---|
| 95 | <tr valign=top>
|
|---|
| 96 | <td><p class=tiny>copyright © 2000-2010 Xiph.Org</p></td>
|
|---|
| 97 | <td align=right><p class=tiny><a href="https://xiph.org/vorbis/">Ogg Vorbis</a></p></td>
|
|---|
| 98 | </tr><tr>
|
|---|
| 99 | <td><p class=tiny>Vorbisfile documentation</p></td>
|
|---|
| 100 | <td align=right><p class=tiny>vorbisfile version 1.3.2 - 20101101</p></td>
|
|---|
| 101 | </tr>
|
|---|
| 102 | </table>
|
|---|
| 103 |
|
|---|
| 104 | </body>
|
|---|
| 105 |
|
|---|
| 106 | </html>
|
|---|
