'Re: Interlace video encoding and decoding with DMOs'

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List:       ms-wmtalk
Subject:    Re: Interlace video encoding and decoding with DMOs
From:       Alex Feinman <AlexF () CORRIGO ! COM>
Date:       2004-09-23 18:11:18
Message-ID: 38F6109269CEA7408B6AA490CC0935414684FD () corpexcsvr01 ! corrigo ! com
[Download RAW message or body]

I've spent couple of weeks on this and finally gave up and rewrote my
decoder to be a full filter instead of DMO, since I needed deinterlace
support. It seem like DMO wrapper simply refuses to consider VIDEOINFO2
as a valid format


________________________________

        From: WMTalk [mailto:WMTalk@DISCUSS.MICROSOFT.COM] On Behalf Of
Samprati Kothari
        Sent: Thursday, September 23, 2004 5:05 AM
        To: WMTalk@DISCUSS.MICROSOFT.COM
        Subject: Interlace video encoding and decoding with DMOs
	
	

        Can any body figureout exect procedure for the interlaced
configurations with DMOs.I am not able to configuring the interlaced
video encoding/decoding. 

        I am using Windows Media Advanced profile DMO's encoder and
decoder wrapper filters with WMFSDK95 .
        I am not able to passon VIDEOINFOHEADER2 structure on input and
outputs of the DMOs for the interlace video encoding and decoding. I
would like to know what other steps that are missing for the interlaced
video encoding and decoding . Or i have to manage VIDEOINFOHEADER to
VDIEOINFOHEADER2 conversion to finaly passon to the VMR for the
interlaced video rendering. I am realy confused how i can pass
interlacing information to VMR with consideration of the above
conditions.

        1. I have been written my own encoder filter based on the DMO
Encoder for passing the data unit extension. But I can not see the
interlacing information while decoding the content. 

        2. How i can conform that my encoded buffer having interlacing
information ?
        3. Wheather i need to write my own decoder filter based on the
DMO Decoder for passing data unit extension agian during the decoding.

        4. If am using VMR with high end display card in my system i
need to passon VIDEOINFOHEADER2 for the interlaced video playback. How
it could be done.

        Thanks 

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<HTML><HEAD><TITLE>Interlace video encoding and decoding with DMOs</TITLE>
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<DIV dir=ltr align=left><SPAN class=761560918-23092004><FONT face=Arial 
color=#0000ff size=2>I've spent couple of weeks on this and finally gave up and 
rewrote my decoder to be a full filter instead of DMO, since I needed 
deinterlace support. It seem like DMO wrapper simply refuses to consider 
VIDEOINFO2 as a valid format</FONT></SPAN></DIV><BR>
<BLOCKQUOTE 
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #0000ff 2px solid; MARGIN-RIGHT: 0px">
  <DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
  <HR tabIndex=-1>
  <FONT face=Tahoma size=2><B>From:</B> WMTalk 
  [mailto:WMTalk@DISCUSS.MICROSOFT.COM] <B>On Behalf Of </B>Samprati 
  Kothari<BR><B>Sent:</B> Thursday, September 23, 2004 5:05 AM<BR><B>To:</B> 
  WMTalk@DISCUSS.MICROSOFT.COM<BR><B>Subject:</B> Interlace video encoding and 
  decoding with DMOs<BR></FONT><BR></DIV>
  <DIV></DIV><!-- Converted from text/rtf format -->
  <P><FONT face="Times New Roman">Can any body figureout exect procedure for the 
  interlaced configurations with DMOs.I am not able to configuring the 
  interlaced video encoding/decoding. </FONT></P>
  <P><FONT face="Times New Roman">I am using Windows Media Advanced profile 
  DMO's encoder and decoder wrapper filters with WMFSDK95 .<BR>I am not able to 
  passon VIDEOINFOHEADER2 structure on input and outputs of the DMOs for the 
  interlace video encoding and decoding. I would like to know what other steps 
  that are missing for the interlaced video encoding and decoding . Or i have to 
  manage VIDEOINFOHEADER to VDIEOINFOHEADER2 conversion to finaly passon to the 
  VMR for the interlaced video rendering. I am realy confused how i can pass 
  interlacing information to VMR with consideration of the above 
  conditions.</FONT></P>
  <P><FONT face="Times New Roman">1. I have been written my own encoder filter 
  based on the DMO Encoder for passing the data unit extension. But I can not 
  see the interlacing information while decoding the content. </FONT></P>
  <P><FONT face="Times New Roman">2. How i can conform that my encoded buffer 
  having interlacing information ?<BR>3. Wheather i need to write my own decoder 
  filter based on the DMO Decoder for passing data unit extension agian during 
  the decoding.</FONT></P>
  <P><FONT face="Times New Roman">4. If am using VMR with high end display card 
  in my system i need to passon VIDEOINFOHEADER2 for the interlaced video 
  playback. How it could be done.</FONT></P>
  <P><FONT face="Times New Roman">Thanks 
  </FONT></P>---------------------------------------------------------------- 
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  mailto:WMTalk-signoff-request@DISCUSS.MICROSOFT.COM</BLOCKQUOTE></BODY></HTML>
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