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Today's Topics:

   1. Simple Visual Profile vs Simple Scalable Visual Profile (Jinsoo Cho)
   2. Re: Simple Visual Profile vs Simple Scalable Visual Profile (Andrea Graziani)
   3. Missing files in opendivx CVS repository and a missing macro definition in mmx/mmx.h (Stuart Robertson)

--__--__--

Message: 1
From: "Jinsoo Cho" <[email protected]>
To: <[email protected]>
Date: Tue, 22 May 2001 19:13:05 -0400
Subject: [OpenDivX] Simple Visual Profile vs Simple Scalable Visual Profile

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--__--__--

Message: 2
Reply-To: "Andrea Graziani" <[email protected]>
From: "Andrea Graziani" <[email protected]>
To: "Jinsoo Cho" <[email protected]>,
	<[email protected]>
Subject: Re: [OpenDivX] Simple Visual Profile vs Simple Scalable Visual Profile
Date: Tue, 22 May 2001 17:41:34 -0700
Organization: MySelf

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I suppose that you are talking about=20

- Simple Profile
- Simple Scalable Profile

The OpenDivX codec adopt a subset of the MPEG-4 Simple Profile.
You can read something about profiles and levels at =
http://www.cselt.it/leonardo/icjfiles/mpeg-4_si/11-Profiles_paper/11-Prof=
iles_paper.htm

Regards,
Andrea

  ----- Original Message -----=20
  From: Jinsoo Cho=20
  To: [email protected]=20
  Sent: Tuesday, May 22, 2001 4:13 PM
  Subject: [OpenDivX] Simple Visual Profile vs Simple Scalable Visual =
Profile


  Hello, all

  I have a kind of elementary question.

  I know that OpenDivX encoder is based on MPEG-4 simple profile.
  But, I think there are five profiles for natural video and two of =
those are simple profiles.=20
  Which one is for OpenDivX?

  Is there any document (specification) for proper simple profile?
  Can anyone give me a pointer to it?
  I'm a newbie in DivX and I really need to look up the any available =
documents to get some background before I actually look at the source =
code.

  Thanks all.

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD>
<META http-equiv=3DContent-Type content=3D"text/html; =
charset=3Dks_c_5601-1987">
<META content=3D"MSHTML 5.50.4522.1800" name=3DGENERATOR>
<STYLE></STYLE>
</HEAD>
<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2>I suppose that you are talking about =
</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>- Simple Profile</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>- Simple Scalable Profile</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>The OpenDivX codec adopt a subset of =
the MPEG-4=20
Simple Profile.</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>You can read something about profiles =
and=20
levels&nbsp;at <A=20
href=3D"http://www.cselt.it/leonardo/icjfiles/mpeg-4_si/11-Profiles_paper=
/11-Profiles_paper.htm">http://www.cselt.it/leonardo/icjfiles/mpeg-4_si/1=
1-Profiles_paper/11-Profiles_paper.htm</A></FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT face=3DArial size=3D2>Regards,</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Andrea</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<BLOCKQUOTE dir=3Dltr=20
style=3D"PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; =
BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
  <DIV style=3D"FONT: 10pt arial">----- Original Message ----- </DIV>
  <DIV=20
  style=3D"BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: =
black"><B>From:</B>=20
  <A [email protected] href=3D"mailto:[email protected]";>Jinsoo =
Cho</A>=20
  </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>To:</B> <A=20
  [email protected]=20
  =
href=3D"mailto:[email protected]";>[email protected]=
.com</A>=20
  </DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Sent:</B> Tuesday, May 22, 2001 =
4:13 PM</DIV>
  <DIV style=3D"FONT: 10pt arial"><B>Subject:</B> [OpenDivX] Simple =
Visual Profile=20
  vs Simple Scalable Visual Profile</DIV>
  <DIV><BR></DIV>
  <DIV><FONT size=3D2>Hello, all</FONT></DIV>
  <DIV><FONT size=3D2></FONT>&nbsp;</DIV>
  <DIV><FONT size=3D2>I have a kind of&nbsp;elementary question.</DIV>
  <DIV><BR>I know that OpenDivX encoder is based on MPEG-4 simple=20
  profile.<BR>But, I think there are five profiles for natural video and =
two of=20
  those are simple profiles. </DIV>
  <DIV>Which one is for OpenDivX?</FONT></DIV>
  <DIV><FONT size=3D2></FONT>&nbsp;</DIV>
  <DIV><FONT size=3D2>Is there any document (specification) for proper =
simple=20
  profile?<BR>Can anyone give me a pointer to it?<BR>I'm a newbie in =
DivX and I=20
  really need to look up the any available documents to get some =
background=20
  before I actually look at the source code.</FONT></DIV>
  <DIV><FONT size=3D2></FONT>&nbsp;</DIV>
  <DIV><FONT size=3D2>Thanks =
all.</FONT></DIV></BLOCKQUOTE></BODY></HTML>

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--__--__--

Message: 3
From: "Stuart Robertson" <[email protected]>
To: <[email protected]>
Date: Wed, 23 May 2001 16:20:26 +0200
Subject: [OpenDivX] Missing files in opendivx CVS repository and a missing macro definition in mmx/mmx.h

Hello,

I am trying to build the latest libdivxdecore on Linux.  I got the latest
sources from opendivx CVS repository.  In the process I found two problems.

1. MISSING FILES IN OPENDIVX CVS REPOSITORY:
There are two files missing (they *definitely* aren't in CVS).

The missing files are:

   divxcore/decore/src/timer.c
   divxcore/decore/src/mmx/yuv2rgb_mmx.c

Both files are referred to by divxcore/decore/src/Makefile.am (snippets of
which are shown below):

  libopendivx_decore_la_SOURCES= basic_prediction.c clearblock.c debug.c \
  decore.c timer.c \

  yuv2rgb_mmx.lo: mmx/yuv2rgb_mmx.c
      $(CC) -g -Wall -fPIC -D_ATT_SYNTAX -I. -I.. -c $< -o $@

Removing -DPROFILING from CFLAGS causes timer.h to use the inlined no-op
timer functions, but that isn't the point.  I still need yuv2rgb_mmx.c.

Please can someone put the missing files into CVS and inform the list when
this is done.

2. MISSING MACRO DEFINITION IN MMX/MMX.H:
The file divxcore/decore/src/mmx/basic_prediction_mmx.c contains 6
invocations of the (undefined) macro paddb_i2r.  This macro is not defined
in mmx.h (where I suppose it should be).

I guess the correct macro definition for paddb_i2r would be the following:

  #define paddb_i2r(imm, reg)   mmx_i2r(paddb, imm, reg)

Please can someone make the correction and update mmx.h in CVS.

Regards,
Stuart.




--__--__--

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From: "Tolga \"thorr\" Orhon" <[email protected]>
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I had smilar problems before and found out that I missed some "\n"s. It
seems that you missed a "\n" at the end of headers. That might be a reason.
Another solution might be replacing "\n"s with "\r\n". I heard in newsgroups
and in some documentations that this might be problem in some systems.

I recommend to read the source of message after you get it. It is a nce way
to debug problems and gives out lots of information. (correct headres,
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Yours,

--
Tolga 'thorr' Orhon

""Kevin Fogleman"" <[email protected]> wrote in message
news:[email protected]...
> The problems that I'm having with the mail function stem from the extra
> arguments that I'm trying to pass it.  What I'm trying to do is write a
> script to mail links to interesting stories to other people.  In doing
this,
> I want to make the mail appear that it came from the e-mail address of the
> person who wanted to send the link.  So, what I've tried so far is this:
>
> $message_subject="This message is a test";
> $extraparams="From:
>
".$HTTP_POST_VARS['youraddress']."\nReply-To:".$HTTP_POST_VARS['youraddress'
> ]."\nX-Mailer: PHP/". phpversion();
>
> $message=$message_header.$HTTP_POST_VARS['message'].$message_footer;
> $success=mail($HTTP_POST_VARS['email'], $message_subject, $message,
> $extra_params)
>                        or die("Whoops, looks like mail() isn't configured
in
> this installation of PHP!");
>
> The message that I recieve when I run this script has a "From:" field
> reading as the user that the script is running under on the web server,
and
> I recieve a blank message body, as well as no subject.
>
> I decided to try using the mail() function with just the first three
> arguments (i.e. the destination address, the subject, and the message
body),
> and it kind of worked, meaning that it sent me a message with the correct
> subject filled out, and the correct message body, but it was still coming
> from the same address, the name of the web server user.  Can someone help
me
> with placing the correct args in the 4th parameter to get mail() or
Sendmail
> or whatever to send a message with the correct return address and From:
> field?
>
> Thank you,
>
> Kevin Fogleman
>
>
>
> --
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