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[11902] Import Recast Navigation
Import Recast Navigation as third party dependency Credits go to Mikko Mononen memon at inside dot org
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faramir118
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399 changed files with 142994 additions and 1 deletions
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<HTML
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><HEAD
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><TITLE
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>SDL_Overlay</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
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"><LINK
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REL="HOME"
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TITLE="SDL Library Documentation"
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HREF="index.html"><LINK
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REL="UP"
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TITLE="Video"
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HREF="video.html"><LINK
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REL="PREVIOUS"
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TITLE="SDL_VideoInfo"
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HREF="sdlvideoinfo.html"><LINK
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REL="NEXT"
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TITLE="Window Management"
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HREF="wm.html"></HEAD
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><BODY
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CLASS="REFENTRY"
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BGCOLOR="#FFF8DC"
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TEXT="#000000"
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LINK="#0000ee"
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VLINK="#551a8b"
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ALINK="#ff0000"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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SUMMARY="Header navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>SDL Library Documentation</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="sdlvideoinfo.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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></TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="wm.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><H1
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><A
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NAME="SDLOVERLAY"
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></A
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>SDL_Overlay</H1
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><DIV
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CLASS="REFNAMEDIV"
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><A
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NAME="AEN3464"
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></A
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><H2
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>Name</H2
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>SDL_Overlay -- YUV video overlay</DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN3467"
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></A
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><H2
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>Structure Definition</H2
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><PRE
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CLASS="PROGRAMLISTING"
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>typedef struct{
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Uint32 format;
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int w, h;
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int planes;
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Uint16 *pitches;
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Uint8 **pixels;
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Uint32 hw_overlay:1;
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} SDL_Overlay;</PRE
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN3470"
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></A
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><H2
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>Structure Data</H2
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><DIV
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CLASS="INFORMALTABLE"
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><A
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NAME="AEN3472"
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></A
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><P
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></P
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><TABLE
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BORDER="0"
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CLASS="CALSTABLE"
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><TBODY
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="STRUCTFIELD"
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><I
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>format</I
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></TT
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></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>Overlay format (see below)</TD
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></TR
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="STRUCTFIELD"
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><I
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>w, h</I
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></TT
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></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>Width and height of overlay</TD
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></TR
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="STRUCTFIELD"
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><I
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>planes</I
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></TT
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></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>Number of planes in the overlay. Usually either 1 or 3</TD
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></TR
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="STRUCTFIELD"
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><I
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>pitches</I
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></TT
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></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>An array of pitches, one for each plane. Pitch is the length of a row in bytes.</TD
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></TR
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="STRUCTFIELD"
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><I
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>pixels</I
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></TT
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></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>An array of pointers to teh data of each plane. The overlay should be locked before these pointers are used.</TD
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></TR
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><TR
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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><TT
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CLASS="STRUCTFIELD"
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><I
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>hw_overlay</I
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></TT
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></TD
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><TD
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ALIGN="LEFT"
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VALIGN="TOP"
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>This will be set to 1 if the overlay is hardware accelerated.</TD
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></TR
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></TBODY
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></TABLE
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><P
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></P
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></DIV
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN3499"
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></A
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><H2
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>Description</H2
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><P
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>A <SPAN
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CLASS="STRUCTNAME"
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>SDL_Overlay</SPAN
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> is similar to a <A
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HREF="sdlsurface.html"
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><SPAN
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CLASS="STRUCTNAME"
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>SDL_Surface</SPAN
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></A
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> except it stores a YUV overlay. All the fields are read only, except for <TT
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CLASS="STRUCTFIELD"
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><I
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>pixels</I
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></TT
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> which should be <A
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HREF="sdllockyuvoverlay.html"
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>locked</A
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> before use. The <TT
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CLASS="STRUCTFIELD"
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><I
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>format</I
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></TT
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> field stores the format of the overlay which is one of the following:
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<PRE
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CLASS="PROGRAMLISTING"
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>#define SDL_YV12_OVERLAY 0x32315659 /* Planar mode: Y + V + U */
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#define SDL_IYUV_OVERLAY 0x56555949 /* Planar mode: Y + U + V */
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#define SDL_YUY2_OVERLAY 0x32595559 /* Packed mode: Y0+U0+Y1+V0 */
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#define SDL_UYVY_OVERLAY 0x59565955 /* Packed mode: U0+Y0+V0+Y1 */
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#define SDL_YVYU_OVERLAY 0x55595659 /* Packed mode: Y0+V0+Y1+U0 */</PRE
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>
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More information on YUV formats can be found at <A
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HREF="http://www.webartz.com/fourcc/indexyuv.htm"
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TARGET="_top"
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>http://www.webartz.com/fourcc/indexyuv.htm</A
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>.</P
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></DIV
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><DIV
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CLASS="REFSECT1"
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><A
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NAME="AEN3510"
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></A
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><H2
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>See Also</H2
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><P
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><A
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HREF="sdlcreateyuvoverlay.html"
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><TT
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CLASS="FUNCTION"
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>SDL_CreateYUVOverlay</TT
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></A
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>,
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<A
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HREF="sdllockyuvoverlay.html"
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><TT
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CLASS="FUNCTION"
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>SDL_LockYUVOverlay</TT
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></A
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>,
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<A
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HREF="sdlunlockyuvoverlay.html"
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><TT
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CLASS="FUNCTION"
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>SDL_UnlockYUVOverlay</TT
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></A
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>,
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<A
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HREF="sdlfreeyuvoverlay.html"
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><TT
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CLASS="FUNCTION"
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>SDL_FreeYUVOverlay</TT
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></A
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></P
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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SUMMARY="Footer navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="sdlvideoinfo.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="index.html"
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ACCESSKEY="H"
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>Home</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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><A
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HREF="wm.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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>SDL_VideoInfo</TD
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
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><A
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HREF="video.html"
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ACCESSKEY="U"
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>Up</A
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></TD
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><TD
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WIDTH="33%"
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ALIGN="right"
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VALIGN="top"
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>Window Management</TD
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></TR
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></TABLE
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></DIV
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></BODY
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></HTML
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>
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