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clevermous |
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>SDL_Overlay |
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NAME="GENERATOR" |
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CONTENT="Modular DocBook HTML Stylesheet Version 1.64 |
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"> |
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REL="HOME" |
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TITLE="SDL Library Documentation" |
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HREF="index.html"> |
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REL="UP" |
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TITLE="Video" |
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HREF="video.html"> |
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REL="PREVIOUS" |
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TITLE="SDL_VideoInfo" |
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HREF="sdlvideoinfo.html"> |
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REL="NEXT" |
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TITLE="Window Management" |
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HREF="wm.html"> |
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> |
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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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> |
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CLASS="NAVHEADER" |
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>
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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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>
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> | |
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COLSPAN="3" |
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ALIGN="center" |
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>SDL Library Documentation |
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WIDTH="10%" |
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ALIGN="left" |
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VALIGN="bottom" |
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> |
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HREF="sdlvideoinfo.html" |
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>Prev |
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WIDTH="80%" |
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ALIGN="center" |
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VALIGN="bottom" |
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WIDTH="10%" |
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ALIGN="right" |
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VALIGN="bottom" |
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HREF="wm.html" |
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>Next |
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>
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ALIGN="LEFT" |
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WIDTH="100%"> |
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NAME="SDLOVERLAY" |
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>SDL_Overlay |
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CLASS="REFNAMEDIV" |
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NAME="AEN3042" |
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>Name |
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>SDL_Overlay -- YUV video overlay |
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CLASS="REFSECT1" |
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NAME="AEN3045" |
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>Structure Definition |
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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; |
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CLASS="REFSECT1" |
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NAME="AEN3048" |
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>Structure Data |
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CLASS="INFORMALTABLE" |
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NAME="AEN3050" |
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> |
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CLASS="REFSECT1" |
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NAME="AEN3077" |
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> |
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>Description |
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>A |
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CLASS="STRUCTNAME" |
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>SDL_Overlay |
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> is similar to a |
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HREF="sdlsurface.html" |
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CLASS="STRUCTNAME" |
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>SDL_Surface |
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> except it stores a YUV overlay. All the fields are read only, except for |
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CLASS="STRUCTFIELD" |
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> |
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>pixels |
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> which should be |
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HREF="sdllockyuvoverlay.html" |
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>locked |
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> before use. The |
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CLASS="STRUCTFIELD" |
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> |
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>format |
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> field stores the format of the overlay which is one of the following: |
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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 */ |
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> |
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More information on YUV formats can be found at |
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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 |
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>. |
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> |
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> |
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CLASS="REFSECT1" |
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NAME="AEN3088" |
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> |
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>See Also |
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> |
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HREF="sdlcreateyuvoverlay.html" |
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CLASS="FUNCTION" |
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>SDL_CreateYUVOverlay |
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>, |
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HREF="sdllockyuvoverlay.html" |
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CLASS="FUNCTION" |
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>SDL_LockYUVOverlay |
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>, |
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HREF="sdlunlockyuvoverlay.html" |
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CLASS="FUNCTION" |
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>SDL_UnlockYUVOverlay |
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>, |
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HREF="sdlfreeyuvoverlay.html" |
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CLASS="FUNCTION" |
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>SDL_FreeYUVOverlay |
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CLASS="NAVFOOTER" |
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>
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ALIGN="LEFT" |
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WIDTH="100%"> |
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> |
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> |
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> |
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> |