<html> <head> <title>vorbis - datatype - ov_ectl_ratemanage2_arg</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 release 1.1 - 20040709</p></td> </tr> </table> <h1>ov_ectl_ratemanage2_arg</h1> <p><i>declared in "vorbis/vorbisenc.h"</i></p> <p> The ov_ectl_ratemanage2_arg structure is used with <a href="vorbis_encode_ctl.html">vorbis_encode_ctl()</a> and the OV_ECTL_RATEMANAGE2_GET and OV_ECTL_RATEMANAGE2_SET calls in order to query and modify specifics of the encoder's bitrate management configuration. <p> <table border=0 width=100% color=black cellspacing=0 cellpadding=7> <tr bgcolor=#cccccc> <td> <pre><b>struct ovectl_ratemanage2_arg { int management_active; long bitrate_limit_min_kbps; long bitrate_limit_max_kbps; long bitrate_limit_reservoir_bits; double bitrate_limit_reservoir_bias; long bitrate_average_kbps; double bitrate_average_damping; };</b></pre> </td> </tr> </table> <h3>Relevant Struct Members</h3> <dl> <dt><i>management_active</i></dt> <dd>nonzero if bitrate management is active</dd> <dt><i>bitrate_limit_min_kbps</i></dt> <dd>Lower allowed bitrate limit in kilobits per second</dd> <dt><i>bitrate_limit_max_kbps</i></dt> <dd>Upper allowed bitrate limit in kilobits per second</dd> <dt><i>bitrate_limit_reservoir_bits</i></dt> <dd>Size of the bitrate reservoir in bits</dd> <dt><i>bitrate_limit_reservoir_bias</i></dt> <dd>Regulates the bitrate reservoir's preferred fill level in a range from 0.0 to 1.0; 0.0 tries to bank bits to buffer against future bitrate spikes, 1.0 buffers against future sudden drops in instantaneous bitrate. Default is 0.1 </dd> <dt><i>bitrate_average_kbps</i></dt> <dd>Average bitrate setting in kilobits per second</dd> <dt><i>bitrate_average_damping</i></dt> <dd>Slew rate limit setting for average bitrate adjustment; sets the minimum time in seconds the bitrate tracker may swing from one extreme to the other when boosting or damping average bitrate.</dd> </dl> <br><br> <hr noshade> <table border=0 width=100%> <tr valign=top> <td><p class=tiny>copyright © 2004 vorbis team</p></td> <td align=right><p class=tiny><a href="http://www.xiph.org/ogg/vorbis/index.html">Ogg Vorbis</a><br><a href="mailto:team@vorbis.org">team@vorbis.org</a></p></td> </tr><tr> <td><p class=tiny>vorbisfile documentation</p></td> <td align=right><p class=tiny>libvorbisenc release 1.1 - 20040709</p></td> </tr> </table> </body> </html>