Overview
What is DivX Pro 5.1.1 Beta?
The most advanced version of DivX software available, designed for higher-end users.<BR><BR>New:<BR>Added a new high-quality psychovisual mode that includes the following features:<BR>Texture cortex masking and rate distortion algorithm<BR>Hybrid mode (with texture cortex masking)<BR>Speed optimization<BR>Chroma operation (this option is not enabled by default for performance reasons; to enable it, create an empty file in C: called "DivxPvShapingChroma.txt" for "fast" mode and "DivxPvSimpleChroma.txt" for slow mode; testing shows only 1-2% gains in JND tests)<BR>The decoder has been rearchitected and is now 10 to 30% faster on all CPU platforms.<BR>The decoder now supports automatic post-processing during video playback.<BR>Added new features to the rate control modes of the encoder, including:<BR>A complexity vector log file<BR>An API that allows real-time control of rate control<BR>An API that allows forced I-frame insertion <BR>Improved:<BR>Redesigned encoder GUI
In depth
A closer look at DivX Pro 5.1.1 Beta
The new GUI is more accessible and simplifies overall usage.
DivX 3 compatibility. (There were no problems detected on any of the more than 60 hours of test content.)
Performance of Nth Pass strategy planning performance.
Fixed:
A bug that caused the quantizer to overshoot the bitrate following a transition to a complex scene.
A bug that limited the interframe change in quantizer to the ideal quantizer or plus or minus 2.
A bug in RGB32 to YUV conversion on Pentium 4 machines.
A minor bug that affected multiple CPU configuration.
A bug with the rate control video buffer verifier (VBV) that would enforce a "3 sec" max bitrate. Several bugs that affected Nth Pass encoding strategy planning.
A bug that caused a different number of frames to be reported between different passes in VirtualDub.
A bug that caused motion vector (MV) reuse to be non-functional.
A bug that caused problems when MV reuse and psychovisual mode were used together.
Several bugs with the installer.
A bug that caused a crash when setting crop/resize values.
Verdict
Should you download DivX Pro 5.1.1 Beta?
DivX Pro 5.1.1 Beta runs on
Windows 9X/ME/2K/XP/2003
and is available under the
Time-limited Trial
license
— the installer is 1.8 MB.
We’ve catalogued it under
Graphics Editing and Painting.
✓
Verified clean. Every DivX Pro 5.1.1 Beta build on SoftLookup is scanned for viruses, spyware, adware, trojans and backdoors. We re-test on every update.
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At a glance
DivX Pro 5.1.1 Beta specifications
- Last updated
- Mar 3, 2025
- License
- Time-limited Trial
- Operating system
- Windows 9X/ME/2K/XP/2003
- File size
- 1.8 MB
- Price
- Free
- Page views
- 509
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