<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=utf-8"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
        {font-family:Wingdings;
        panose-1:5 0 0 0 0 0 0 0 0 0;}
@font-face
        {font-family:"Cambria Math";
        panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
        {font-family:Calibri;
        panose-1:2 15 5 2 2 2 4 3 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
        {margin:0in;
        margin-bottom:.0001pt;
        font-size:12.0pt;
        font-family:"Times New Roman",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;}
p.MsoListParagraph, li.MsoListParagraph, div.MsoListParagraph
        {mso-style-priority:34;
        margin-top:0in;
        margin-right:0in;
        margin-bottom:0in;
        margin-left:.5in;
        margin-bottom:.0001pt;
        font-size:12.0pt;
        font-family:"Times New Roman",serif;}
span.EmailStyle17
        {mso-style-type:personal-reply;
        font-family:"Calibri",sans-serif;
        color:#1F497D;}
.MsoChpDefault
        {mso-style-type:export-only;
        font-family:"Calibri",sans-serif;}
@page WordSection1
        {size:8.5in 11.0in;
        margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
        {page:WordSection1;}
/* List Definitions */
@list l0
        {mso-list-id:628321585;
        mso-list-type:hybrid;
        mso-list-template-ids:266212184 806524864 67698691 67698693 67698689 67698691 67698693 67698689 67698691 67698693;}
@list l0:level1
        {mso-level-start-at:4;
        mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:Wingdings;
        mso-fareast-font-family:Calibri;
        mso-bidi-font-family:"Times New Roman";}
@list l0:level2
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:"Courier New";}
@list l0:level3
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:Wingdings;}
@list l0:level4
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:Symbol;}
@list l0:level5
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:"Courier New";}
@list l0:level6
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:Wingdings;}
@list l0:level7
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:Symbol;}
@list l0:level8
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:"Courier New";}
@list l0:level9
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:Wingdings;}
@list l1
        {mso-list-id:1936397532;
        mso-list-type:hybrid;
        mso-list-template-ids:-971590614 -149126676 67698691 67698693 67698689 67698691 67698693 67698689 67698691 67698693;}
@list l1:level1
        {mso-level-start-at:4;
        mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:Wingdings;
        mso-fareast-font-family:Calibri;
        mso-bidi-font-family:"Times New Roman";}
@list l1:level2
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:"Courier New";}
@list l1:level3
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:Wingdings;}
@list l1:level4
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:Symbol;}
@list l1:level5
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:"Courier New";}
@list l1:level6
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:Wingdings;}
@list l1:level7
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:Symbol;}
@list l1:level8
        {mso-level-number-format:bullet;
        mso-level-text:o;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:"Courier New";}
@list l1:level9
        {mso-level-number-format:bullet;
        mso-level-text:;
        mso-level-tab-stop:none;
        mso-level-number-position:left;
        text-indent:-.25in;
        font-family:Wingdings;}
ol
        {margin-bottom:0in;}
ul
        {margin-bottom:0in;}
--></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=WordSection1><div><div><p class=MsoNormal style='margin-bottom:12.0pt'><span style='color:#1F497D'>First of all, thanks to Max and Salsaman for the responses. I truly appreciate it.<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='color:#1F497D'>></span>As long as I remember I solved a similar problem after providing the last frame of the sequence by calling avcodec_encode_video2  with frame parameter being NULL in a loop while got_packet returns true. <span style='color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Max,<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>I am passing a NULL frame after calling </span>calling avcodec_encode_video2<span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>  for all my 36 frames. But I only pass the NULL frame once, when I’m done, to make sure everything that has not been flushed is actually flushed.<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'>>Also, just a guess but 18 is half of 36. Is it possible you need to set some interlacing option ?<o:p></o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Salsaman,<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>I have to admit my knowledge of this is very limited. But this is what I know:<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>1) I am sending down 36 non-trivial frames, plus one NULL frame, for a total of 37 frames.<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>2) After sending down the first 18 frames by calling </span>avcodec_encode_video2<span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'> the value of got_packet is 0 for all of them.<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>3) When sending frames 19-36, the value of got_packet is 1.<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>4) When displaying my video, the only images I see are the first 18. I know this for a fact because the images are very similar, but each has a label with a time stamp 0, 10, 20, etc. So I know which ones are missing. Interestingly enough, the missing ones are the ones for which got_packet=1 (!).<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>If the issue is “interlacing”, can somebody suggest what I need to do in my code to try to correct this?<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Thanks.<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>-Arthur<o:p></o:p></span></p></div></div></div></body></html>