<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=ks_c_5601-1987">

<meta name="Generator" content="Microsoft Word 14 (filtered medium)">

<style><!--

/* Font Definitions */

@font-face

        {font-family:"Cambria Math";

        panose-1:2 4 5 3 5 4 6 3 2 4;}

@font-face

        {font-family:"맑은 고딕";

        panose-1:2 11 5 3 2 0 0 2 0 4;}

@font-face

        {font-family:"\@맑은 고딕";

        panose-1:2 11 5 3 2 0 0 2 0 4;}

@font-face

        {font-family:Consolas;

        panose-1:2 11 6 9 2 2 4 3 2 4;}

/* Style Definitions */

p.MsoNormal, li.MsoNormal, div.MsoNormal

        {margin:0cm;

        margin-bottom:.0001pt;

        text-align:justify;

        text-justify:inter-ideograph;

        text-autospace:none;

        word-break:break-hangul;

        font-size:10.0pt;

        font-family:"맑은 고딕";}

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;}

p.MsoListParagraph, li.MsoListParagraph, div.MsoListParagraph

        {mso-style-priority:34;

        margin-top:0cm;

        margin-right:0cm;

        margin-bottom:0cm;

        margin-left:40.0pt;

        margin-bottom:.0001pt;

        mso-para-margin-top:0cm;

        mso-para-margin-right:0cm;

        mso-para-margin-bottom:0cm;

        mso-para-margin-left:4.0gd;

        mso-para-margin-bottom:.0001pt;

        text-align:justify;

        text-justify:inter-ideograph;

        text-autospace:none;

        word-break:break-hangul;

        font-size:10.0pt;

        font-family:"맑은 고딕";}

span.EmailStyle17

        {mso-style-type:personal-compose;

        font-family:"맑은 고딕";

        color:windowtext;}

.MsoChpDefault

        {mso-style-type:export-only;

        font-family:"맑은 고딕";}

/* Page Definitions */

@page WordSection1

        {size:612.0pt 792.0pt;

        margin:3.0cm 72.0pt 72.0pt 72.0pt;}

div.WordSection1

        {page:WordSection1;}

/* List Definitions */

@list l0

        {mso-list-id:305627134;

        mso-list-type:hybrid;

        mso-list-template-ids:323793518 -1088666638 67698713 67698715 67698703 67698713 67698715 67698703 67698713 67698715;}

@list l0:level1

        {mso-level-tab-stop:none;

        mso-level-number-position:left;

        margin-left:38.0pt;

        text-indent:-18.0pt;}

@list l0:level2

        {mso-level-number-format:alpha-upper;

        mso-level-tab-stop:none;

        mso-level-number-position:left;

        margin-left:60.0pt;

        text-indent:-20.0pt;}

@list l0:level3

        {mso-level-number-format:roman-lower;

        mso-level-tab-stop:none;

        mso-level-number-position:right;

        margin-left:80.0pt;

        text-indent:-20.0pt;}

@list l0:level4

        {mso-level-tab-stop:none;

        mso-level-number-position:left;

        margin-left:100.0pt;

        text-indent:-20.0pt;}

@list l0:level5

        {mso-level-number-format:alpha-upper;

        mso-level-tab-stop:none;

        mso-level-number-position:left;

        margin-left:120.0pt;

        text-indent:-20.0pt;}

@list l0:level6

        {mso-level-number-format:roman-lower;

        mso-level-tab-stop:none;

        mso-level-number-position:right;

        margin-left:140.0pt;

        text-indent:-20.0pt;}

@list l0:level7

        {mso-level-tab-stop:none;

        mso-level-number-position:left;

        margin-left:160.0pt;

        text-indent:-20.0pt;}

@list l0:level8

        {mso-level-number-format:alpha-upper;

        mso-level-tab-stop:none;

        mso-level-number-position:left;

        margin-left:180.0pt;

        text-indent:-20.0pt;}

@list l0:level9

        {mso-level-number-format:roman-lower;

        mso-level-tab-stop:none;

        mso-level-number-position:right;

        margin-left:200.0pt;

        text-indent:-20.0pt;}

@list l1

        {mso-list-id:660042889;

        mso-list-type:hybrid;

        mso-list-template-ids:-1858943380 1969258854 67698713 67698715 67698703 67698713 67698715 67698703 67698713 67698715;}

@list l1:level1

        {mso-level-tab-stop:none;

        mso-level-number-position:left;

        margin-left:38.0pt;

        text-indent:-18.0pt;}

@list l1:level2

        {mso-level-number-format:alpha-upper;

        mso-level-tab-stop:none;

        mso-level-number-position:left;

        margin-left:60.0pt;

        text-indent:-20.0pt;}

@list l1:level3

        {mso-level-number-format:roman-lower;

        mso-level-tab-stop:none;

        mso-level-number-position:right;

        margin-left:80.0pt;

        text-indent:-20.0pt;}

@list l1:level4

        {mso-level-tab-stop:none;

        mso-level-number-position:left;

        margin-left:100.0pt;

        text-indent:-20.0pt;}

@list l1:level5

        {mso-level-number-format:alpha-upper;

        mso-level-tab-stop:none;

        mso-level-number-position:left;

        margin-left:120.0pt;

        text-indent:-20.0pt;}

@list l1:level6

        {mso-level-number-format:roman-lower;

        mso-level-tab-stop:none;

        mso-level-number-position:right;

        margin-left:140.0pt;

        text-indent:-20.0pt;}

@list l1:level7

        {mso-level-tab-stop:none;

        mso-level-number-position:left;

        margin-left:160.0pt;

        text-indent:-20.0pt;}

@list l1:level8

        {mso-level-number-format:alpha-upper;

        mso-level-tab-stop:none;

        mso-level-number-position:left;

        margin-left:180.0pt;

        text-indent:-20.0pt;}

@list l1:level9

        {mso-level-number-format:roman-lower;

        mso-level-tab-stop:none;

        mso-level-number-position:right;

        margin-left:200.0pt;

        text-indent:-20.0pt;}

ol

        {margin-bottom:0cm;}

ul

        {margin-bottom:0cm;}

--></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="KO" link="blue" vlink="purple">

<div class="WordSection1">

<p class="MsoNormal"><span lang="EN-US">Dear Experts,<o:p></o:p></span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">I am developing a Super-resolution filter for ffmpeg.<o:p></o:p></span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">I would like to access the output frame by pointer.

<o:p></o:p></span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">I tried to access the data of outframe, so I write simple code as below.  <o:p></o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">The below is the main parts of my code.<o:p></o:p></span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoListParagraph" style="margin-left:38.0pt;mso-para-margin-left:0gd;text-indent:-18.0pt;mso-list:l0 level1 lfo2">

<![if !supportLists]><b><span lang="EN-US"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">    

</span></span></span></b><![endif]><b><span lang="EN-US">config_output function  <o:p></o:p></span></b></p>

<p class="MsoListParagraph" style="margin-left:38.0pt;mso-para-margin-left:0gd"><b><span lang="EN-US" style="background:lime;mso-highlight:lime">(“ I would like to know other things required to make outlink with frame Size of 2xWidth and 2xHeigth of input frame

 “ )</span><span lang="EN-US"><o:p></o:p></span></b></p>

<p class="MsoNormal"><span lang="EN-US">First, I added config_output function in myfiter.c

<o:p></o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">config_output(AVFilterLinek *outlink)<o:p></o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">{<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">int</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">

 config_output(</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">AVFilterLink</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">

 *</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">outlink</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">)<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">{<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">       

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">AVFilterContext</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">

 *ctx = </span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">outlink</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">->src;<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">       

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">AVFilterLink</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> *inlink

 = </span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">outlink</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">->src->inputs[0];<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">       

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">SR1Context</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> *s =

 (</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">SR1Context</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> *)</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">outlink</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">->src->priv;

<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">       

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">const</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">AVPixFmtDescriptor</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">

 *desc = av_pix_fmt_desc_get((</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">AVPixelFormat</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">)inlink->format);<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">       

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">int64_t</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> w, h;<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">        w = inlink->w;<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">        h = inlink->h;<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p> </o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">       

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:yellow;mso-highlight:yellow">w = w << 1;<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:yellow;mso-highlight:yellow">        h = h << 1;<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">       

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">if</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> (w < 0 || h < 0){<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">               av_log(ctx,

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#6F008A;background:white;mso-highlight:white">AV_LOG_ERROR</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">,

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#A31515;background:white;mso-highlight:white">"Size values less thank 0 are not acceptalbe. \n"</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">);<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">              

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">return</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#6F008A;background:white;mso-highlight:white">AVERROR</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">(</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#6F008A;background:white;mso-highlight:white">EINVAL</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">);<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">        }<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p> </o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:yellow;mso-highlight:yellow">       

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:gray;background:yellow;mso-highlight:yellow">outlink</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:yellow;mso-highlight:yellow">->w = w;<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:yellow;mso-highlight:yellow">       

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:gray;background:yellow;mso-highlight:yellow">outlink</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:yellow;mso-highlight:yellow">->h = h;<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">       

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">outlink</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">->sample_aspect_ratio

 = inlink->sample_aspect_ratio;<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">       

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">return</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> 0;<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">}<o:p></o:p></span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoListParagraph" style="margin-left:38.0pt;mso-para-margin-left:0gd;text-indent:-18.0pt;mso-list:l0 level1 lfo2">

<![if !supportLists]><span lang="EN-US"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">    

</span></span></span><![endif]><b><span lang="EN-US">filter_frame : </span></b><span lang="EN-US">Then, I access the data of outframe by pointer in fiter_frame as below<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;background:lime;mso-highlight:lime">(Is this right method to access the data of outframe? If it is not right method,

 please let me know that. )<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;background:lime;mso-highlight:lime"><o:p> </o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">int</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">

 filter_frame(</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">AVFilterLink</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">

 *</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">inlink</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">,

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">AVFrame</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> *</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">frame</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">)<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">{<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;text-indent:40.0pt;word-break:keep-all">

<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">SR1Context</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> *s = (</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">SR1Context</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">

 *)</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">inlink</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">->dst->priv;<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">       

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">AVFilterLink</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> *outlink

 = </span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">inlink</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">->dst->outputs[0];

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:green;background:white;mso-highlight:white"> </span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">       

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">AVFrame</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> *out;

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:green;background:white;mso-highlight:white">  </span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">       

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">const</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">AVPixFmtDescriptor</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">

 *desc = av_pix_fmt_desc_get((</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#2B91AF;background:white;mso-highlight:white">AVPixelFormat</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">)</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">inlink</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">->format);

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:green;background:white;mso-highlight:white"> </span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p> </o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:yellow;mso-highlight:yellow">        out = ff_get_video_buffer(outlink, outlink->w, outlink->h);<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">       

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">if</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> (!out){<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">               av_frame_free(&</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">frame</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">);<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">              

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">return</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#6F008A;background:white;mso-highlight:white">AVERROR</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">(</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:#6F008A;background:white;mso-highlight:white">ENOMEM</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">);<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">        }<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">        av_frame_copy_props(out,

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">frame</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">);<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p> </o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p> </o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;text-indent:38.0pt;word-break:keep-all">

<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">int</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> plane, x, y, xb = s->x,

 yb = s->y;<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;text-indent:19.0pt;word-break:keep-all">

<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">   

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">unsigned</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">char</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> *row_in[4]; //

 Y,U,V,A<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">       

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">unsigned</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">char</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> *row_out[4];

 // Y.U,V,A<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">       

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">int</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> full_height =

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">frame</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">->height;     

<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;text-indent:38.0pt;word-break:keep-all">

<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">int</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> full_width =

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">frame</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">->linesize[0];<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">       

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">int</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> twice_width =

 full_width << 1;<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p> </o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;text-indent:19.0pt;word-break:keep-all">

<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">for</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> (y = 0; y <

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">frame</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">->height; y++)

 {<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">                 row_in[0] =

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:gray;background:white;mso-highlight:white">frame</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">->data[0] + y

 * full_width;<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:yellow;mso-highlight:yellow">               row_out[0] = out->data[0] + y *twice_width;<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">              

<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">               memcpy(row_out, row_in, full_width);<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">               memcpy(row_out + full_width, row_in, full_width);<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;text-indent:80.75pt;word-break:keep-all">

<span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;background:yellow;mso-highlight:yellow">memcpy(row_out + twice_width*(full_height), row_in, full_width);<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;background:yellow;mso-highlight:yellow">                 memcpy(row_out + twice_width*(full_height)+full_width, row_in,

 full_width);<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">                      

<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">    }<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"><o:p> </o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">         

</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:blue;background:white;mso-highlight:white">return</span><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white"> ff_filter_frame(outlink,

 out);<o:p></o:p></span></p>

<p class="MsoNormal" align="left" style="text-align:left;word-break:keep-all"><span lang="EN-US" style="font-size:9.5pt;font-family:Consolas;color:black;background:white;mso-highlight:white">}<o:p></o:p></span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">Best Regards,<o:p></o:p></span></p>

<p class="MsoNormal"><span lang="EN-US">Seyoon<o:p></o:p></span></p>

</div>

</body>

</html>