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<DIV><SPAN class=750244410-04032008><FONT face=Arial color=#0000ff size=2>Can
anybody tell me tht wht is the meaning of following block in H.264
specification. and How it is calculated</FONT></SPAN></DIV>
<DIV><SPAN class=750244410-04032008><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=750244410-04032008><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=750244410-04032008><FONT size=2>
<P align=left>When residual_colour_transform_flag is equal to 1, the variable
R</FONT><FONT size=1>Y,ij </FONT><FONT size=2>is set equal to r</FONT><FONT
size=1>ij </FONT><FONT size=2>with i, j = 0..3 and this</P>
<P align=left>process is suspended until after completion of the residual colour
transform process as specified in</P>
<P align=left>subclause 8.5.13, after the completion of which, the variable
r</FONT><FONT size=1>ij </FONT><FONT size=2>is set equal to R</FONT><FONT
size=1>G,ij </FONT><FONT size=2>with i, j = 0..3 and this process</FONT></P>
<P align=left><FONT size=2>is continued.</FONT></P>
<P align=left><SPAN class=750244410-04032008><FONT face=Arial color=#0000ff
size=2>with out getting the values of Rcb and Rcr how can i calculate the
RG</FONT></SPAN></P>
<P align=left><SPAN class=750244410-04032008><FONT face=Arial color=#0000ff
size=2>thanks in advance</FONT></SPAN></P>
<P align=left><SPAN class=750244410-04032008><FONT face=Arial color=#0000ff
size=2>regards</FONT></SPAN></P>
<P align=left><SPAN class=750244410-04032008><FONT face=Arial color=#0000ff
size=2>nagesh relekar</FONT></SPAN></P></SPAN></DIV>
<BLOCKQUOTE>
<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma
size=2>-----Original Message-----<BR><B>From:</B>
x264-devel-bounces@videolan.org [mailto:x264-devel-bounces@videolan.org]<B>On
Behalf Of </B>Jason Garrett-Glaser<BR><B>Sent:</B> Tuesday, March 04, 2008
4:02 PM<BR><B>To:</B> Mailing list for x264 developers<BR><B>Subject:</B> Re:
[x264-devel] [PATCH] SSE2 motion compensation [from before] +MMX/SSE2/SSSE3
frame_lowres_init<BR><BR></FONT></DIV>Correction to my previous patch.
Line:<BR><BR>+ for( x = 0; width - x >= 2; x++
)\<BR><BR>should be<BR><BR>+ for( ; width - x >= 2; x++
)\<BR><BR>A quick test of the code yields:<BR><BR>SSSE3: 2.23m clocks<BR>SSE2:
3.36m clocks<BR>MMX: 7.46m clocks<BR>Scalar/C: 7.5m clocks<BR><BR>for 1280x720
input on a Core 2 Merom.<BR><BR>Dark Shikari<BR><BR></BLOCKQUOTE><p>The information contained in this electronic message and any attachments to this message are intended for the exclusive use of the addressee(s) and may contain proprietary, confidential or privileged information. If you are not the intended recipient, you should not disseminate, distribute or copy this e-mail. Please notify the sender immediately and destroy all copies of this message and any attachments contained in it.
Contact your Administrator for further information.
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