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2006-01-30
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-=================================-
DivX(R) Codec
-=================================-
Version 6.1.1
ReadMe updated on 2006-01-25
(c) Copyright DivX, Inc. All Rights Reserved.
DivX and DivX Pro are trademarks of DivX, Inc.
| Table of Contents
+=========================-
1. Introduction
2. New in this version
3. Version history
4. Known issues
5. Files in this bundle
6. Technical support
| 1. Introduction
+=========================-
The DivX 6.1.1 codec represents a performance leap of
mammoth proportions. Gigantic in fact. One could almost
go so far as to call it monumental. Gargantuan. A
colossal performance leap of behemothic proportion
eclipsing all others in an earth-shattering event never
before witnessed by human kind. Fear the proportions,
oh yes, for they are undeniably ... proportionate.
For five months the DARC team have been locked away deep
in their secret underground lab optimizing the DivX
codec, fine tuning every last code routine, testing their
work on next generation processors and preparing
for the end of the world. (You know itÆs coming.)
As a result, the DivX 6.1.1 codec now has full support for
single CPU, HyperThreaded (HT), SMP and dual core
processors, achieving up to 250% better encoding
performance compared to the DivX 6.0 codec on
cutting-edge hardware, and up to 180% better performance
for typical desktop computers. There are also two new
modes dedicated to high speed encoding - both fully
compatible with certified devices - a brand new one-pass
quality-based encoding mode that can reduce encoding
time by half, improved flexibility for HD encoding
parameters and, of course, much, much more.
For further information regarding this release, visit:
http://www.divx.com
Have fun and enjoy this release,
- The DivX Team
| 2. New in this version
+=========================-
* Full support for single CPU, HyperThreaded (HT), dual
CPU (SMP), and dual core processors in both the
encoder and decoder. Encoding performance is vastly
improved on systems with multiple logical processors,
while better quality and smoother high definition
playback is now possible for all DivX HD video.
* Various optimizations have been added for processors
supporting SSE2 extensions.
* The performance of Extreme Quality and Insane Quality
modes has been improved allowing you to get production
quality video in even less time!
* A new High-performance mode has been created that is a
whopping 40% faster than Balanced mode in the 6.0
codec. This mode yields slightly lower compression but
is perfectly suited to live-capture applications and
the output will play on certified devices.
* Fastest mode now achieves much better compression with
virtually zero performance impact. It is finally
possible to use this mode to encode directly into a
DivX video profile with reasonable quality and still
maintain small file sizes.
* DivX High Definition profile now allows up to 6Mbps
average bitrate for crystal clear HD video, even with
your nose pressed against your 60" HD plasma TV.
* You can now specify a target quantizer instead of an
average bitrate during encoding. This new method is
available in conjunction with DivX encoding profiles,
and in many cases can be substituted for 2-Pass and
multipass encoding.
* The codec now supports Lanczos resize filters for very
sharp resizing, giving improved video quality.
* Quarter-pixel motion estimation has been enhanced for
performance and is now available in all modes from
Balanced through Insane when 'Unconstrained profile'
is selected. Please remember that using quarter-pixel
motion estimation (or simply switching to
Unconstrained profile) means that your videos are
unlikely to play well in certified devices.
* The Feedback Window now displays VBV level and has
variable axis for PSNR plots, making it easy to
monitor encodes with very high PSNR metric results.
| 3. Version history
+=========================-
To view the full version history for the DivX Codec,
please visit the following URL:
http://go.divx.com/divx/versions/en
| 4. Known issues
+=========================-
To view known issues for this release, please visit the
following URL:
http://go.divx.com/divx/knownissues/en
| 5. Files in this bundle
+=========================-
The following executable files will be installed as part
of this bundle:
DivX Decoder Configuration Utility
%PROGRAMFILES%\DivX\DivX Pro\config.exe
DivX codec for Video for Windows
%SYSTEM%\divX.dll
DivX video decoder for DirectShow
%SYSTEM%\divxdec.ax
DivX media format decoder for DirectShow
%SYSTEM%\divxmedia.ax
DivX settings manager
%SYSTEM%\divxsm.exe
%SYSTEM%\divxsm.tlb
Update checking components
%SYSTEM%\dpu11.dll
%SYSTEM%\dpuGUI11.dll
%SYSTEM%\dpus11.dll
%SYSTEM%\dpv11.dll
DivX licensing library
%SYSTEM%\dpl100.dll
User Interface Library
%SYSTEM%\qt-dx331.dll
Unicode support
%SYSTEM%\unicows.dll
| 6. Technical support
+=========================-
DivX provides technical support for this product.
You can search the DivX knowledge base for common issues
and frequently asked questions:
http://go.divx.com/divx/support/en
You can also search our knowledge base by visiting:
http://go.divx.com/divx/search/en