lock to the bitrate management
engine for final encoding. Packets are buffered and the packet boundaries
adjusted and padded to meet the target bitrate, if any.</p>

<p>After calling vorbis_bitrate_addblock(), the passed vorbis_block
structure can be reused in another call to vorbis_analysis_blockout().
Call vorbis_bitrate_flushpacket() to obtain the final compressed data.
</p>

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	<td>
<pre><b>
extern int      vorbis_bitrate_addblo