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| author | Aki <please@ignore.pl> | 2021-09-29 22:52:49 +0200 |
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| committer | Aki <please@ignore.pl> | 2021-09-29 22:52:49 +0200 |
| commit | 74f4b1bc3b627ba4c7e03498234d88cacdfbe97b (patch) | |
| tree | 197b5978d6e38f44069ea92583098a1da04aa635 /doc/vorbisfile/ov_read_float.html | |
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Squashed 'vorbis/' content from commit d22c3ab5f
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git-subtree-split: d22c3ab5f633460abc2532feee60ca0892134cbf
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diff --git a/doc/vorbisfile/ov_read_float.html b/doc/vorbisfile/ov_read_float.html new file mode 100644 index 0000000..0c36eb0 --- /dev/null +++ b/doc/vorbisfile/ov_read_float.html @@ -0,0 +1,105 @@ +<html> + +<head> +<title>Vorbisfile - function - ov_read_float</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_read_float()</h1> + +<p><i>declared in "vorbis/vorbisfile.h";</i></p> + +<p> + This is the function used to decode a Vorbis file within a loop, but + returns samples in native float format instead of in integer formats. +</p><p> + For information on channel ordering and how ov_read_float() deals with the complex issues + of chaining, etc, refer to the documentation for <a href="ov_read.html">ov_read()</a>. +</p> + +<br><br> +<table border=0 color=black cellspacing=0 cellpadding=7> +<tr bgcolor=#cccccc> + <td> +<pre><b> +long ov_read_float(<a href="OggVorbis_File.html">OggVorbis_File</a> *vf, float ***pcm_channels, int samples, int *bitstream); +</b></pre> + </td> +</tr> +</table> + +<h3>Parameters</h3> +<dl> +<dt><i>vf</i></dt> +<dd>A pointer to the OggVorbis_File structure--this is used for ALL the externally visible vorbisfile +functions.</dd> +<dt><i>pcm_channels</i></dt> +<dd>A pointer to an output buffer. The pointer will be set to the decoded output buffer.</dd> +<dt><i>samples</i></dt> +<dd>Maximum number of decoded samples to produce.</dd> +<dt><i>bitstream</i></dt> +<dd>A pointer to the number of the current logical bitstream.</dd> +</dl> + + +<h3>Return Values</h3> +<blockquote> +<dl> +<dt>OV_HOLE</dt> + <dd>indicates there was an interruption in the data. + <br>(one of: garbage between pages, loss of sync followed by + recapture, or a corrupt page)</dd> +<dt>OV_EBADLINK</dt> + <dd>indicates that an invalid stream section was supplied to + libvorbisfile, or the requested link is corrupt.</dd> +<dt>OV_EINVAL</dt> + <dd>indicates the initial file headers couldn't be read or + are corrupt, or that the initial open call for <i>vf</i> + failed.</dd> +<dt>0</dt> + <dd>indicates EOF</dd> +<dt><i>n</i></dt> + <dd>indicates actual number of samples read. <tt>ov_read_float()</tt> will + decode at most one vorbis packet per invocation, so the value + returned will generally be less than <tt>length</tt>. +</dl> +</blockquote> + +<h3>Notes</h3> +<p><b>Typical usage:</b> +<blockquote> +<tt>float **pcm; +samples_read = ov_read_float(&vf,pcm, 1024, &current_section)</tt> +</blockquote> + +This decodes up to 1024 float samples. +</p> + +<br> +<br><br> +<hr noshade> +<table border=0 width=100%> +<tr valign=top> +<td><p class=tiny>copyright © 2002 vorbis team</p></td> +<td align=right><p class=tiny><a href="http://www.xiph.org/ogg/vorbis/index.html">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> + + + |