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Personal Computer World 1995 January
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iv32rt.txt
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1994-07-02
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Indeo(tm) Video R3.2 Update -- V3.22.01.30
June 27, 1994
Topics:
-------
* Improvements
* Indeo Video Drivers
* System.ini Entries
* Software Prerequisites
* Optimum System Requirements
* Updates
* Technical Support
Improvements:
-------------
This version of the Indeo Video R3.2 driver is an update to Indeo
Video R3.1 and Video for Windows V1.1. It provides:
* Improved visual quality. There is significantly more foreground
and background detail for most sequences, particularly at 15 fps
with data rates of 135KB/sec or higher.
* Improved video playback performance at low data rates.
* Improved 16-bit image quality and playback performance.
* Improved audio playback at low data rates.
* Compression and decompression of images up to 640x480 size in
4-pixel increments. Note: 640x480x10 video with a 240KB/sec transfer
rate, has been measured to play back at close to 10 frames per second.
* Improved software encoder performance (2 to 5 sec/frame on a Pentium
processor system).
* Faster initialization.
Indeo Video Drivers:
--------------------
Indeo(TM) Video R3.2 -- V3.22.01.30 incorporates the new Indeo
Video R3.2 software codec that produces
the highest quality video for software
playback on Intel microprocessor based
desktop computers.
[filename: ir32.dll]
Indeo(TM) Video Raw -- V1.10.1.4 incorporates the raw/YVU9
codec.
[filename: iyvu9.dll]
Indeo(TM) Video R2.1 -- V2.17.003 incorporates a decompressor only.
It plays back files created with the older
R2.1 codec.
[filename: ir21.dll]
System.ini Entries:
-------------------
The Setup program installs the Indeo video drivers along with the
latest Video for Windows runtime. It places the following entries in
the system.ini file for the Indeo video drivers:
[drivers]
VIDC.RT21=ir21.dll
VIDC.YVU9=iyvu9.dll
VIDC.IV31=ir32.dll
VIDC.IV32=ir32.dll
Previously, the recommended system.ini entries looked as follows:
[drivers]
VIDC.RT21=indeov.drv
VIDC.YVU9=indeov.drv
VIDC.IV31=indeov.drv
Indeov.drv was an "umbrella" driver that used a text file called
indeo.ini to point to the various Indeo video drivers. The indeo.ini
file had the following entries:
[GLOBAL]
DRIVERS=IV31,RT21,YVU9
[IV31]
DEC=ir30.dll
[RT21]
DEC=ir21_r.dll
[YVU9]
DEC=ir21_r.dll
Indeov.drv and indeo.ini are no longer used and may be deleted if desired.
However, older applications, which install the Indeo video drivers, may still
use indeov.drv and indeo.ini. Since the name of the latest Indeo video driver
has changed from ir30.dll to ir32.dll, this would prevent IV31 files from
accessing the latest driver. To avoid this problem, an exact copy of the
latest ir32.dll file, named ir30.dll, is also installed by this setup program.
It is hoped the ir30.dll file will not be used. But if another setup program
should change the system.ini entries to point to indeov.drv, then the correct
driver will still be accessed through ir30.dll. In the future, this precaution
should not need to be taken.
Software Prerequisites:
-----------------------
* Video for Windows V1.1
* Windows 3.1
Optimum System Requirements:
----------------------------
For the highest image quality and playback, the following system
requirements are recommended:
* Intel Pentium processor
* System RAM: 12+ MB
* PCI local bus graphics controller
* SCSI hard drive
For best frame rate performance, put the graphics card in 8-bit
color mode. For best image quality, put the graphics card in
24-bit color mode.
Based on the application and the size of the video file, some
performance tuning of your computer's resources may be required.
Updates:
--------
As new Indeo video drivers are released, they will be available on
CompuServe INTELARCH and Intel's Application Support BBS at
(916) 356-3600.
This software update to Indeo Video R3.2 is a software codec change
only. There have been no changes to the Intel Smart Video Recorder Driver.
If you do not have the latest version of the Intel Smart Video Recorder
Driver, V2.00.009 it is available on CompuServe* INTELFORUM and on
Intel BBS, (503) 645-6275. If you would like more information on
Intel's Smart Video Recorder, call:
U.S. and Canada (800) 538-3373
Europe +44-793-431155
Worldwide (503) 629-7354
Technical Support:
------------------
For technical assistance with the USA call our Hotline number at
800-628-8686 (prompts 1,3,1). Outside the USA call 503-696-7003.
Inform the dispatcher you have a question on "INDEO". If an engineer
is available you will be connected, if not, you will be called back
within an hour.
_____________________________________________________________________
* Other brands and names are the property of their respective owners.