EVOLUTION-MANAGER
Edit File: ogg_stream_state.html
<html> <head> <title>libogg - datatype - ogg_stream_state</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>libogg documentation</p></td> <td align=right><p class=tiny>libogg release 1.3.0 - 20110804</p></td> </tr> </table> <h1>ogg_stream_state</h1> <p><i>declared in "ogg/ogg.h"</i></p> <p> The ogg_stream_state struct tracks the current encode/decode state of the current logical bitstream. <p> <table border=0 width=100% color=black cellspacing=0 cellpadding=7> <tr bgcolor=#cccccc> <td> <pre><b> typedef struct { unsigned char *body_data; /* bytes from packet bodies */ long body_storage; /* storage elements allocated */ long body_fill; /* elements stored; fill mark */ long body_returned; /* elements of fill returned */ int *lacing_vals; /* The values that will go to the segment table */ ogg_int64_t *granule_vals; /* granulepos values for headers. Not compact this way, but it is simple coupled to the lacing fifo */ long lacing_storage; long lacing_fill; long lacing_packet; long lacing_returned; unsigned char header[282]; /* working space for header encode */ int header_fill; int e_o_s; /* set when we have buffered the last packet in the logical bitstream */ int b_o_s; /* set after we've written the initial page of a logical bitstream */ long serialno; int pageno; ogg_int64_t packetno; /* sequence number for decode; the framing knows where there's a hole in the data, but we need coupling so that the codec (which is in a seperate abstraction layer) also knows about the gap */ ogg_int64_t granulepos; } ogg_stream_state; </b></pre> </td> </tr> </table> <h3>Relevant Struct Members</h3> <dl> <dt><i>body_data</i></dt> <dd>Pointer to data from packet bodies.</dd> <dt><i>body_storage</i></dt> <dd>Storage allocated for bodies in bytes (filled or unfilled).</dd> <dt><i>body_fill</i></dt> <dd>Amount of storage filled with stored packet bodies.</dd> <dt><i>body_returned</i></dt> <dd>Number of elements returned from storage.</dd> <dt><i>lacing_vals</i></dt> <dd>String of lacing values for the packet segments within the current page. Each value is a byte, indicating packet segment length.</dd> <dt><i>granule_vals</i></dt> <dd>Pointer to the lacing values for the packet segments within the current page.</dd> <dt><i>lacing_storage</i></dt> <dd>Total amount of storage (in bytes) allocated for storing lacing values.</dd> <dt><i>lacing_fill</i></dt> <dd>Fill marker for the current vs. total allocated storage of lacing values for the page.</dd> <dt><i>lacing_packet</i></dt> <dd>Lacing value for current packet segment.</dd> <dt><i>lacing_returned</i></dt> <dd>Number of lacing values returned from lacing_storage.</dd> <dt><i>header</i></dt> <dd>Temporary storage for page header during encode process, while the header is being created.</dd> <dt><i>header_fill</i></dt> <dd>Fill marker for header storage allocation. Used during the header creation process.</dd> <dt><i>e_o_s</i></dt> <dd>Marker set when the last packet of the logical bitstream has been buffered.</dd> <dt><i>b_o_s</i></dt> <dd>Marker set after we have written the first page in the logical bitstream.</dd> <dt><i>serialno</i></dt> <dd>Serial number of this logical bitstream.</dd> <dt><i>pageno</i></dt> <dd>Number of the current page within the stream.</dd> <dt><i>packetno</i></dt> <dd>Number of the current packet.</dd> <dt><i>granulepos</i></dt> <dd>Exact position of decoding/encoding process.</dd> </dl> <br><br> <hr noshade> <table border=0 width=100%> <tr valign=top> <td><p class=tiny>copyright © 2000-2011 Xiph.Org</p></td> <td align=right><p class=tiny><a href="http://www.xiph.org/ogg/">Ogg Container Format</a></p></td> </tr><tr> <td><p class=tiny>libogg documentation</p></td> <td align=right><p class=tiny>libogg release 1.3.0 - 20110804</p></td> </tr> </table> </body> </html>