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2004-09-03
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-=================================-
DivX(R) and DivX Pro(tm) Codecs
-=================================-
Version 5.2.1
ReadMe updated on 2004-08-18
(c) Copyright DivXNetworks, Inc. All Rights Reserved.
DivX and DivX Pro are trademarks of DivXNetworks, Inc.
| Table of Contents
+=========================-
1. Introduction
2. DivX Users Guide
3. Files in this bundle
4. New in this version
5. Optional additional software
6. Version history
7. Known issues
8. Technical support
| 1. Introduction
+=========================-
Welcome to DivX 5.2.1, our latest and greatest, multi-lingual, better than
anything else in the whole entire world (probably) release!
If you are a new user read on to section 2 to get started in creating high
quality DivX video. If you have used DivX before then fear not - we've been
working hard to bring you lots of new features for this version. Scroll down
to section 4 and find out what's new!
Enjoy the new version,
- The DivX Team
| 2. DivX Users Guide
+=========================-
A full multi-lingual user guide for DivX 5.2.1 is now available!
It covers:
- The origins of DivX video
- Quick Start Guide
- DivX Certified Profiles
- Encoder options
- Image processing
- DivX E.K.G.
- DivX decoder configuration
... and lots more!
To read the guide you will first need Adobe Reader 5 or higher:
http://go.divx.com/divx/acrobat
You can download and install the DivX User Guide here:
http://go.divx.com/divx/guide
| 3. Files in this bundle
+=========================-
+---------------+---------------------------------------------+----------------+
|File | Information | Included in |
|---------------+---------------------------------------------+----------------+
|DivX.dll | DivX Codec, VFW version | DivX, DivX Pro |
|DivXDec.ax | DivX Decoder, DirectShow version | DivX, DivX Pro |
|Config.exe | DivX Decoder, DirectShow configuration tool | DivX, DivX Pro |
|DivX EKG.exe | DivX Electrokompressiongraph | DivX Pro |
|ReadMe.txt | This ReadMe file | DivX, DivX Pro |
|License.txt | Software license agreement | DivX, DivX Pro |
|PSIKey.dll | Registration library | DivX, DivX Pro |
|BGRegister.exe | Registration application | DivX, DivX Pro |
|dpu10.dll | Update application library | DivX, DivX Pro |
|dpus10.dll | Update application library | DivX, DivX Pro |
|dpuGUI10.dll | Update application library | DivX, DivX Pro |
|dpv10.dll | Update application library | DivX, DivX Pro |
|qt-mt331.dll | QT user interface library | DivX, DivX Pro |
|unicows.dll | Microsft Layer for Unicode for Windows 9x | DivX, DivX Pro |
+---------------+---------------------------------------------+----------------+
| 4. New in this version
+=========================-
DivX 5.2.1 now includes:
- Support for three new languages
DivX 5.2.1 is available in English, French, German, and Japanese.
- Encoder: Bitrate Calculator
You can now calculate the bitrate you need to hit a target file size
directly within the encoder configuration dialogue. Simply enter your
target file size, the length of your video, and the audio bitrate.
- Encoder: Adaptive Bi-directional Coding
Bi-directionally encoded frames were first introduced in DivX 5.0, giving
a staggering 20% reduction in file size at equivalent perceptual quality.
To date, all versions of DivX 5 have used only one bi-directionally coded
frame in sequence. DivX 5.2.1 expands the scope of this feature.
The DivX 5.2.1 encoder selects both single and multiple consecutive
bi-directionally coded frames adaptively, leading to higher compression
ratios and even better quality.
- Encoder: MPEG2 Quantization
DivX 5.2.1 has better scalability thanks to MPEG2 Quantization support.
Quantization plays an important role in the process of reducing the data
used to store the picture. DivX normally uses H.263 quantization, which
is optimal for low to high bitrate encoding. MPEG-2 quantization is
useful at extremely high bitrates.
- Encoder: Intel SSE3 (Prescott) Optimizations
The DivX 5.2.1 encoder features optimizations for Intel Prescott CPU's,
improving performance by up to 15%.
- Encoder: Multi-threaded Feedback Window
The encoder feedback window is now multi-threaded. If your PC has a
HyperThreaded CPU, or multiple CPU's, you can now enjoy the benefits of
real-time encoder feedback and control with minimal impact on encoding
performance.
- Decoder: Generic MPEG-4
The DivX 5.1 encoder included a Generic MPEG-4 decoding option. In this
release we have improved our generic MPEG-4 support so that your favorite
decoder can play more of your favorite movies.
- Decoder: Blocking fix (Oops!)
The 5.2.1 decoder corrects a small issue that can cause blocks to be
displayed along high-contrast edges in the picture, mainly affecting anime
content. Watch PokΘmon as it was meant to be viewed once again!
- Automatic update
DivX 5.2.1 can check for updates automatically when you are connected to the
Internet, prompt you when new updates are available, and download them for
you.
- Handheld Profile update
The handheld profile has been updated to better reflect the capabilities
of DivX Certified devices already present in the consumer marketplace.
By encoding with the new Handheld profile you can create higher quality
video for your Handheld Certified device.
| 5. Optional additional software
+=================================-
Google Toolbar
If your system meets Google's requirements you can choose to install the
Google Toolbar for Internet Explorer when you install either DivX or
DivX Pro 6 Month Free Trial.
The Google Toolbar lets you:
* Search the web with Google from any site
* Eliminate pop-up ads
* Fill in forms with one click
* Highlight search terms on a page
| 6. Version history
+=========================-
To view the full version history, please visit the following URL in your
web browser:
http://go.divx.com/divx/versions
| 7. Known issues
+=========================-
To view known issues for this release, please visit the following URL in your
web browser:
http://go.divx.com/divx/knownissues
| 8. Technical support
+=========================-
For product support please visit the following URL in your web browser:
http://go.divx.com/divx/support
You can also search our knowledge base:
http://go.divx.com/divx/search