| <html> |
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| <head> |
| <title>vorbisfile - vorbisfile_example.c</title> |
| <link rel=stylesheet href="style.css" type="text/css"> |
| </head> |
| |
| <body bgcolor=white text=black link="#5555ff" alink="#5555ff" vlink="#5555ff"> |
| <table border=0 width=100%> |
| <tr> |
| <td><p class=tiny>Vorbisfile documentation</p></td> |
| <td align=right><p class=tiny>vorbisfile version 1.2.0 - 20070723</p></td> |
| </tr> |
| </table> |
| |
| <h1>vorbisfile_example.c</h1> |
| |
| <p> |
| The example program source: |
| |
| <br><br> |
| <table border=0 width=100% color=black cellspacing=0 cellpadding=7> |
| <tr bgcolor=#cccccc> |
| <td> |
| <pre><b> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <math.h> |
| #include "vorbis/codec.h" |
| #include "vorbis/vorbisfile.h" |
| |
| #ifdef _WIN32 |
| #include <io.h> |
| #include <fcntl.h> |
| #endif |
| |
| char pcmout[4096]; |
| |
| int main(int argc, char **argv){ |
| OggVorbis_File vf; |
| int eof=0; |
| int current_section; |
| |
| #ifdef _WIN32 |
| _setmode( _fileno( stdin ), _O_BINARY ); |
| _setmode( _fileno( stdout ), _O_BINARY ); |
| #endif |
| |
| if(ov_open_callbacks(stdin, &vf, NULL, 0, OV_CALLBACKS_NOCLOSE) < 0) { |
| fprintf(stderr,"Input does not appear to be an Ogg bitstream.\n"); |
| exit(1); |
| } |
| |
| { |
| char **ptr=ov_comment(&vf,-1)->user_comments; |
| vorbis_info *vi=ov_info(&vf,-1); |
| while(*ptr){ |
| fprintf(stderr,"%s\n",*ptr); |
| ++ptr; |
| } |
| fprintf(stderr,"\nBitstream is %d channel, %ldHz\n",vi->channels,vi->rate); |
| fprintf(stderr,"Encoded by: %s\n\n",ov_comment(&vf,-1)->vendor); |
| } |
| |
| while(!eof){ |
| long ret=ov_read(&vf,pcmout,sizeof(pcmout),0,2,1,¤t_section); |
| if (ret == 0) { |
| /* EOF */ |
| eof=1; |
| } else if (ret < 0) { |
| /* error in the stream. Not a problem, just reporting it in |
| case we (the app) cares. In this case, we don't. */ |
| } else { |
| /* we don't bother dealing with sample rate changes, etc, but |
| you'll have to */ |
| fwrite(pcmout,1,ret,stdout); |
| } |
| } |
| |
| ov_clear(&vf); |
| |
| fprintf(stderr,"Done.\n"); |
| return(0); |
| } |
| |
| </b></pre> |
| </td> |
| </tr> |
| </table> |
| |
| |
| <br><br> |
| <hr noshade> |
| <table border=0 width=100%> |
| <tr valign=top> |
| <td><p class=tiny>copyright © 2007 Xiph.org</p></td> |
| <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> |
| </tr><tr> |
| <td><p class=tiny>Vorbisfile documentation</p></td> |
| <td align=right><p class=tiny>vorbisfile version 1.2.0 - 20070723</p></td> |
| </tr> |
| </table> |
| |
| </body> |
| |
| </html> |
