<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv=Content-Type content="text/html; charset=us-ascii">
<meta name=Generator content="Microsoft Word 12 (filtered medium)">
<style>
<!--
/* Font Definitions */
@font-face
{font-family:SimSun;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:SimSun;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:Calibri;
panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
{font-family:"\@SimSun";
panose-1:2 1 6 0 3 1 1 1 1 1;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:11.0pt;
font-family:"Calibri","sans-serif";}
a:link, span.MsoHyperlink
{mso-style-priority:99;
color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{mso-style-priority:99;
color:purple;
text-decoration:underline;}
span.EmailStyle17
{mso-style-type:personal-compose;
font-family:"Calibri","sans-serif";
color:windowtext;}
.MsoChpDefault
{mso-style-type:export-only;}
@page Section1
{size:8.5in 11.0in;
margin:1.0in 1.0in 1.0in 1.0in;}
div.Section1
{page:Section1;}
-->
</style>
<!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]-->
</head>
<body lang=EN-US link=blue vlink=purple>
<div class=Section1>
<p class=MsoNormal>Hi <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>For the “cacheline split workaround for mc_luma”<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:7.5pt;margin-bottom:
0in;margin-left:7.5pt;margin-bottom:.0001pt'><span style='font-size:9.0pt;
font-family:"Courier New";color:black'>+ for( i = 1; i < 3; i++ )<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:7.5pt;margin-bottom:
0in;margin-left:7.5pt;margin-bottom:.0001pt'><span style='font-size:9.0pt;
font-family:"Courier New";color:black'> {<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:7.5pt;margin-bottom:
0in;margin-left:7.5pt;margin-bottom:.0001pt'><span style='font-size:9.0pt;
font-family:"Courier New";color:black'>- CHECKED_MALLOC( frame->buffer[4+i],<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:7.5pt;margin-bottom:
0in;margin-left:7.5pt;margin-bottom:.0001pt'><span style='font-size:9.0pt;
font-family:"Courier New";color:black'>- frame->i_stride[0] * ( frame->i_lines[0] + 2*i_padv ) );<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:7.5pt;margin-bottom:
0in;margin-left:7.5pt;margin-bottom:.0001pt'><span style='font-size:9.0pt;
font-family:"Courier New";color:black'>- frame->filtered[i+1] = ((uint8_t*)frame->buffer[4+i]) +<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:7.5pt;margin-bottom:
0in;margin-left:7.5pt;margin-bottom:.0001pt'><span style='font-size:9.0pt;
font-family:"Courier New";color:black'>- frame->i_stride[0] * i_padv + PADH;<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:7.5pt;margin-bottom:
0in;margin-left:7.5pt;margin-bottom:.0001pt'><span style='font-size:9.0pt;
font-family:"Courier New";color:black'>+ CHECKED_MALLOC( frame->buffer[i], luma_plane_size/4 );<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:7.5pt;margin-bottom:
0in;margin-left:7.5pt;margin-bottom:.0001pt'><span style='font-size:9.0pt;
font-family:"Courier New";color:black'>+ frame->plane[i] = frame->buffer[i] + (frame->i_stride[i] * i_padv + PADH)/2;<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:7.5pt;margin-bottom:
0in;margin-left:7.5pt;margin-bottom:.0001pt'><span style='font-size:9.0pt;
font-family:"Courier New";color:black'> }<o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>This line would be problematic, <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='margin-left:.5in'>frame->plane[i] =
frame->buffer[i] + (frame->i_stride[i] * i_padv + PADH)/2;<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>the buffer array is defined as “void
*buffer[4];” and plane is defined as ”uint8_t *plane[3]”, so it
leads a compile issue at MSVC71<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Chang.<o:p></o:p></p>
</div>
</body>
</html>