| 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 1.2.0 - 20070723</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 © 2007 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><br><a href="mailto:team@vorbis.org">team@vorbis.org</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 1.2.0 - 20070723</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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