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diff --git a/vorbis/doc/vorbisfile/ov_open_callbacks.html b/vorbis/doc/vorbisfile/ov_open_callbacks.html deleted file mode 100644 index 6d59e0b..0000000 --- a/vorbis/doc/vorbisfile/ov_open_callbacks.html +++ /dev/null @@ -1,147 +0,0 @@ -<html> - -<head> -<title>Vorbisfile - function - ov_open_callbacks</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 1.3.2 - 20101101</p></td> -</tr> -</table> - -<h1>ov_open_callbacks</h1> - -<p><i>declared in "vorbis/vorbisfile.h";</i></p> - -<p>This is an alternative function used to open and initialize an -OggVorbis_File structure when using a data source other than a file, -when its necessary to modify default file access behavior, or to -initialize a Vorbis decode from a <tt>FILE *</tt> pointer under -Windows where <a href="ov_open.html">ov_open()</a> cannot be used. It -allows the application to specify custom file manipulation routines -and sets up all the related decoding structures. - -<p>Once ov_open_callbacks() has been called, the same -<tt>OggVorbis_File</tt> struct should be passed to all the -libvorbisfile functions. Unlike <a -href="ov_fopen.html">ov_fopen()</a> and <a -href="ov_open.html">ov_open()</a>, ov_open_callbacks() may be used to -instruct vorbisfile to either automatically close or not to close the -file/data access handle in <a href="ov_clear.html">ov_clear()</a>. -Automatic closure is disabled by passing NULL as the close callback, -or using one of the predefined callback sets that specify a NULL close -callback. The application is responsible for closing a file when a -call to ov_open_callbacks() is unsuccessful.<p> - -See also <a href="callbacks.html">Callbacks and Non-stdio I/O</a> for -information on designing and specifying custom callback functions.<p> - -<br><br> -<table border=0 color=black cellspacing=0 cellpadding=7> -<tr bgcolor=#cccccc> - <td> -<pre><b> -int ov_open_callbacks(void *datasource, <a href="OggVorbis_File.html">OggVorbis_File</a> *vf, char *initial, long ibytes, <a href="ov_callbacks.html">ov_callbacks</a> callbacks); -</b></pre> - </td> -</tr> -</table> - -<h3>Parameters</h3> -<dl> -<dt><i>datasource</i></dt> -<dd>Pointer to a data structure allocated by the calling application, containing any state needed by the callbacks provided.</dd> -<dt><i>vf</i></dt> -<dd>A pointer to the OggVorbis_File structure--this is used for ALL the externally visible libvorbisfile -functions. Once this has been called, the same <tt>OggVorbis_File</tt> -struct should be passed to all the libvorbisfile functions.</dd> -<dt><i>initial</i></dt> -<dd>Typically set to NULL. This parameter is useful if some data has already been -read from the stream and the stream is not seekable. It is used in conjunction with <tt>ibytes</tt>. In this case, <tt>initial</tt> -should be a pointer to a buffer containing the data read.</dd> -<dt><i>ibytes</i></dt> -<dd>Typically set to 0. This parameter is useful if some data has already been -read from the stream and the stream is not seekable. In this case, <tt>ibytes</tt> -should contain the length (in bytes) of the buffer. Used together with <tt>initial</tt>.</dd> -<dt><i>callbacks</i></dt> -<dd>A completed <a href="ov_callbacks.html">ov_callbacks</a> struct which indicates desired custom file manipulation routines. vorbisfile.h defines several preprovided callback sets; see <a href="ov_callbacks.html">ov_callbacks</a> for details.</dd> -</dl> - - -<h3>Return Values</h3> -<blockquote> -<li>0 for success</li> -<li>less than zero for failure:</li> -<ul> -<li>OV_EREAD - A read from media returned an error.</li> -<li>OV_ENOTVORBIS - Bitstream does not contain any Vorbis data.</li> -<li>OV_EVERSION - Vorbis version mismatch.</li> -<li>OV_EBADHEADER - Invalid Vorbis bitstream header.</li> -<li>OV_EFAULT - Internal logic fault; indicates a bug or heap/stack corruption.</li> -</ul> -</blockquote> -<p> - -<h3>Notes</h3> -<dl> - -<dt><b>[a] Windows and use as an ov_open() substitute</b><p> Windows -applications should not use <a href="ov_open.html">ov_open()</a> due -to the likelihood of <a href="ov_open.html#winfoot">CRT linking -mismatches and runtime protection faults -[ov_open:a]</a>. ov_open_callbacks() is a safe substitute; specifically: - -<pre><tt>ov_open_callbacks(f, vf, initial, ibytes, OV_CALLBACKS_DEFAULT);</tt> -</pre> - -... provides exactly the same functionality as <a -href="ov_open.html">ov_open()</a> but will always work correctly under -Windows, regardless of linking setup details.<p> - -<dt><b>[b] Threaded decode</b><p> -<dd>If your decoder is threaded, it is recommended that you NOT call -<tt>ov_open_callbacks()</tt> -in the main control thread--instead, call <tt>ov_open_callbacks()</tt> in your decode/playback -thread. This is important because <tt>ov_open_callbacks()</tt> may be a fairly time-consuming -call, given that the full structure of the file is determined at this point, -which may require reading large parts of the file under certain circumstances -(determining all the logical bitstreams in one physical bitstream, for -example). See <a href="threads.html">Thread Safety</a> for other information on using libvorbisfile with threads. -<p> - -<dt><b>[c] Mixed media streams</b><p> -<dd> -As of Vorbisfile release 1.2.0, Vorbisfile is able to access the -Vorbis content in mixed-media Ogg streams, not just Vorbis-only -streams. For example, Vorbisfile may be used to open and access the -audio from an Ogg stream consisting of Theora video and Vorbis audio. -Vorbisfile 1.2.0 decodes the first logical audio stream of each -physical stream section.<p> - -<dt><b>[d] Faster testing for Vorbis files</b><p> -<dd><a href="ov_test.html">ov_test()</a> and <a -href="ov_test_callbacks.html">ov_test_callbacks()</a> provide less -computationally expensive ways to test a file for Vorbisness, but -require more setup code.<p> - -</dl> - -<br><br> -<hr noshade> -<table border=0 width=100%> -<tr valign=top> -<td><p class=tiny>copyright © 2000-2010 Xiph.Org</p></td> -<td align=right><p class=tiny><a href="http://www.xiph.org/ogg/vorbis/">Ogg Vorbis</a></p></td> -</tr><tr> -<td><p class=tiny>Vorbisfile documentation</p></td> -<td align=right><p class=tiny>vorbisfile version 1.3.2 - 20101101</p></td> -</tr> -</table> - -</body> - -</html> |