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diff --git a/Tremor/doc/initialization.html b/Tremor/doc/initialization.html new file mode 100644 index 0000000..f9f6807 --- /dev/null +++ b/Tremor/doc/initialization.html @@ -0,0 +1,101 @@ +<html> + +<head> +<title>Tremor - Setup/Teardown</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>Tremor documentation</p></td> +<td align=right><p class=tiny>Tremor version 1.0 - 20020403</p></td> +</tr> +</table> + +<H1>Setup/Teardown</h1> <p>In order to decode audio using +libvorbisidec, a bitstream containing Vorbis audio must be properly +initialized before decoding and cleared when decoding is finished. +The simplest possible case is to use <tt>fopen()</tt> to open a Vorbis +file and then pass the <tt>FILE *</tt> to an <a +href="ov_open.html">ov_open()</a> call. A successful <a +href="return.html">return code</a> from <a +href="ov_open.html">ov_open()</a> indicates the file is ready for use. +Once the file is no longer needed, <a +href="ov_clear.html">ov_clear()</a> is used to close the file and +deallocate decoding resources. </b>Do not</b> call <tt>fclose()</tt> on the +file; libvorbisidec does this in the <a +href="ov_clear.html">ov_clear()</a> call. + +<p> +All libvorbisidec initialization and deallocation routines are declared in "ivorbisfile.h". +<p> + +<table border=1 color=black width=50% cellspacing=0 cellpadding=7> +<tr bgcolor=#cccccc> + <td><b>function</b></td> + <td><b>purpose</b></td> +</tr> +<tr valign=top> + <td><a href="ov_open.html">ov_open</a></td> + <td>Initializes the Ogg Vorbis bitstream with a pointer to a bitstream and default values. This must be called before other functions in the library may be + used.</td> +</tr> +<tr valign=top> + <td><a href="ov_open_callbacks.html">ov_open_callbacks</a></td> + <td>Initializes the Ogg Vorbis bitstream with a pointer to a bitstream, default values, and custom file/bitstream manipulation routines. Used instead of <a href="ov_open.html">ov_open()</a> when working with other than stdio based I/O.</td> +</tr> + +<tr valign=top> +<td><a href="ov_test.html">ov_test</a></td> + +<td>Partially opens a file just far enough to determine if the file +is an Ogg Vorbis file or not. A successful return indicates that the +file appears to be an Ogg Vorbis file, but the <a +href="OggVorbis_File.html">OggVorbis_File</a> struct is not yet fully +initialized for actual decoding. After a <a href="return.html">successful return</a>, the file +may be closed using <a href="ov_clear.html">ov_clear()</a> or fully +opened for decoding using <a +href="ov_test_open.html">ov_test_open()</a>.<p> This call is intended to +be used as a less expensive file open test than a full <a +href="ov_open.html">ov_open()</a>.<p> +Note that libvorbisidec owns the passed in file resource is it returns success; do not <tt>fclose()</tt> files owned by libvorbisidec.</td> + +</tr> +<tr valign=top> +<td><a href="ov_test_callbacks.html">ov_test_callbacks</a></td> +<td>As above but allowing application-define I/O callbacks.<p> +Note that libvorbisidec owns the passed in file resource is it returns success; do not <tt>fclose()</tt> files owned by libvorbisidec.</td> + +</tr> +<tr valign=top> +<td><a href="ov_test_open.html">ov_test_open</a><td> +Finish opening a file after a successful call to <a href="ov_test.html">ov_test()</a> or <a href="ov_test_callbacks.html">ov_test_callbacks()</a>.</td> +</tr> +<tr valign=top> + <td><a href="ov_clear.html">ov_clear</a></td> <td>Closes the + bitstream and cleans up loose ends. Must be called when + finished with the bitstream. After return, the <a + href="OggVorbis_File.html">OggVorbis_File</a> struct is + invalid and may not be used before being initialized again + before begin reinitialized. + +</td> +</tr> +</table> + +<br><br> +<hr noshade> +<table border=0 width=100%> +<tr valign=top> +<td><p class=tiny>copyright © 2002 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>Tremor documentation</p></td> +<td align=right><p class=tiny>Tremor version 1.0 - 20020403</p></td> +</tr> +</table> + +</body> + +</html> |