Mercurial > hg > sv-dependency-builds

comparison src/libvorbis-1.3.3/doc/vorbisfile/vorbisfile_example_c.html @ 1:05aa0afa9217

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Bring in flac, ogg, vorbis
author Chris Cannam
date Tue, 19 Mar 2013 17:37:49 +0000
parents
children
comparison
equal deleted inserted replaced
0:c7265573341e 1:05aa0afa9217
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 &lt;stdio.h&gt;
27 #include &lt;stdlib.h&gt;
28 #include &lt;math.h&gt;
29 #include "vorbis/codec.h"
30 #include "vorbis/vorbisfile.h"
31
32 #ifdef _WIN32
33 #include &lt;io.h&gt;
34 #include &lt;fcntl.h&gt;
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 &copy; 2000-2010 Xiph.Org</p></td>
97 <td align=right><p class=tiny><a href="http://www.xiph.org/ogg/vorbis/index.html">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>