1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2<html> 3 4<head> 5<META http-equiv="Content-Type" content="text/html; charset=windows-1252"> 6<META name="GENERATOR" content="Microsoft FrontPage 5.0"> 7<LINK rel="stylesheet" type="text/css" href="../../../CSS/revolution.css"> 8<title>THP Movie Information: MovieData</title> 9</head> 10 11<BODY> 12 13<H1 align="left">MovieData</H1> 14 15<H2>Description</H2> 16<P><IMG src="MovieData.jpg" alt="MovieData.jpg" width="720"></P> 17<P><CODE>MovieData</CODE> stores interleaved component data by frame.</P> 18 19<H2>FrameHeader</H2> 20<P>A <CODE>FrameHeader</CODE> is placed at beginning of each frame data of the <CODE>MovieData</CODE>.</P> 21<P>The start of <CODE>FrameHeader</CODE> stores the frame sizes of the previous frame (<CODE>frameSizePrevious</CODE>) and the next frame (<CODE>frameSizeNext</CODE>). The <CODE>frameSizePrevious</CODE> of the first frame stores the size of the last frame. The <CODE>frameSizeNext</CODE> of the last frame stores the size of the first frame.</P> 22<P>Next, FrameHeader stores size information for the component data interleaved in the frame. This size information must be stored in the interleaved order of the components defined in <CODE>THPFrameCompInfo</CODE>.</P> 23<P>The size of each frame must be a multiple of 32 bytes. The end of each frame dataset is padded with zero data as required so that the frame size is a multiple of 32 bytes.</P> 24 25 26<h2><font color="#FF0000">Notes for Using MovieData</FONT></h2> 27<P><STRONG>Note:</STRONG> The component data sizes included in <CODE>FrameHeader</CODE> basically store size data for each component; however, they store the <B>data size for a single audio track</B> only when the component is an audio component. 28</P> 29 30<P><STRONG>Note: </STRONG> THP audio data is compressed in the Revolution audio system's DSP ADPCM format. Therefore, the number of samples in the stored audio data must be a multiple of 14 in all frames, except the last frame.</P> 31 32<BR> 33 34<H2>See Also</H2> 35<P> 36<A href="../THPConv.html"><CODE>THPConv.exe</CODE></A><BR><A href="../THPFormat.html">THP movie file format</A> 37</P> 38 39<H2>Revision History</H2> 40<P> 412006/03/01 Initial version.<br> 42</P> 43 44<hr><p>CONFIDENTIAL</p></body> 45</HTML>