diff options
Diffstat (limited to 'doc/vorbisenc/vorbis_encode_init.html')
-rw-r--r-- | doc/vorbisenc/vorbis_encode_init.html | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/doc/vorbisenc/vorbis_encode_init.html b/doc/vorbisenc/vorbis_encode_init.html new file mode 100644 index 0000000..d371899 --- /dev/null +++ b/doc/vorbisenc/vorbis_encode_init.html @@ -0,0 +1,88 @@ +<html> + +<head> +<title>libvorbisenc - function - vorbis_encode_init</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>libvorbisenc documentation</p></td> +<td align=right><p class=tiny>libvorbisenc version 1.3.2 - 20101101</p></td> +</tr> +</table> + +<h1>vorbis_encode_init</h1> + +<p><i>declared in "vorbis/vorbisenc.h";</i></p> + +<p>This is the primary function within libvorbisenc for setting up managed bitrate modes. +<p>Before this function is called, the <a href="../libvorbis/vorbis_info.html">vorbis_info</a> struct should be initialized by using vorbis_info_init() from the libvorbis API. After encoding, vorbis_info_clear should be called. +<p>The max_bitrate, nominal_bitrate, and min_bitrate settings are used to set constraints for the encoded file. This function uses these settings to select the appropriate encoding mode and set it up. +<p> +<br><br> +<table border=0 color=black cellspacing=0 cellpadding=7> +<tr bgcolor=#cccccc> + <td> +<pre><b> +extern int vorbis_encode_init(<a href="../libvorbis/vorbis_info.html">vorbis_info</a> *vi, + long channels, + long rate, + + long max_bitrate, + long nominal_bitrate, + long min_bitrate); + +</b></pre> + </td> +</tr> +</table> + +<h3>Parameters</h3> +<dl> +<dt><i>vi</i></dt> +<dd>Pointer to an initialized <a href="../libvorbis/vorbis_info.html">vorbis_info</a> struct.</dd> +<dt><i>channels</i></dt> +<dd>The number of channels to be encoded.</dd> +<dt><i>rate</i></dt> +<dd>The sampling rate of the source audio.</dd> +<dt><i>max_bitrate</i></dt> +<dd>Desired maximum bitrate (limit). -1 indicates unset.</dd> +<dt><i>nominal_bitrate</i></dt> +<dd>Desired average, or central, bitrate. -1 indicates unset.</dd> +<dt><i>min_bitrate</i></dt> +<dd>Desired minimum bitrate. -1 indicates unset.</dd> +</dl> + + +<h3>Return Values</h3> +<blockquote> +<li> +0 for success</li> + +<li>less than zero for failure:</li> +<ul> +<li>OV_EFAULT - Internal logic fault; indicates a bug or heap/stack corruption.</li> +<li>OV_EINVAL - Invalid setup request, eg, out of range argument. </li> +<li>OV_EIMPL - Unimplemented mode; unable to comply with bitrate request.</li> +</ul> +</blockquote> +<p> + +<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/index.html">Ogg Vorbis</a></p></td> +</tr><tr> +<td><p class=tiny>libvorbisenc documentation</p></td> +<td align=right><p class=tiny>libvorbisenc version 1.3.2 - 20101101</p></td> +</tr> +</table> + + +</body> + +</html> |