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2003-04-06
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Zoom Player & DVD Playback.
--------------------------------------------------------------------
* Introduction
First let me stress that Zoom Player is a DVD front-end and not a
DVD decoder software. It will not be able to play DVD content
without a 3rd party DVD decoder filter installed on the system.
These DirectShow filters are usually bundled with DVD playback
software in the form of ".AX" files.
For example, WinDVD comes with 2 DirectShow filters by the names of:
"iviaudio.ax" - WinDVD's Audio Decoder filter.
"ivivideo.ax" - WinDVD's Video Decoder filter.
PowerDVD comes with these filters:
"claud.ax" - PowerDVD's Audio Decoder filter.
"clvsd.ax" - PowerDVD's Video Decoder filter.
CineMaster 4 comes with these filters:
"DSCinemAudioDecoder.dll" - CineMaster's Audio Decoder filter.
"DSCinemVideoDecoder.dll" - CineMaster's Video Decoder filter.
* Switching to DVD Mode:
The default method of switching to DVD mode in Zoom Player is by
pressing the "F10" key.
* Keyboard Menu Navigation:
Once in a DVD menu, you can use the keyboard arrows to navigate
through the menu and press the Enter key to make a selection.
* Registering the filters:
Manually:
---------
These filters can be enabled by registering them with your system
using "REGSVR32.EXE", a file that comes with your operating system.
To register a filter type the following command into the Start->Run
prompt.
Example:
regsvr32 "c:\program files\intervideo\common\bin\iviaudio.ax"
To unregister a filter you can use the following sample:
regsvr32 /u "c:\program files\intervideo\common\bin\iviaudio.ax"
If you have more than one DVD player sporting DirectShow DVD filters
installed on your system, it's recommend that you verify that only
one set of filters is registered at a time (see below).
Automatically:
--------------
The Zoom Player DVD Setup dialog allows you to register the DVD
filters automatically.
* Conflicting filters:
It's possible that some filters will conflict. For example, if you
have both the CineMaster filters and the PowerDVD filters installed,
they may crash the player. This depends on the quality of the filters,
the most compatible filters may even be interchangeable, allowing you
to use the audio filter of one player with the video filter of the
other player.
If you use manual DVD profiles, filters won't conflict at random.
* Creating your own DVD Graphs:
If the Customized Point & Click DVD Setup dialog doesn't work for
you, you can create a specific DVD Graph. To do this, check it out:
http://www.inmatrix.com/articles/dvdgraph.shtml
* Conflicting programs:
If you have certain programs open while trying to play DVD content,
playback will fail. These programs include any program that can
play video (such as Kazaa or Media Player).
The problem comes from these programs use of the overlay surface.
Most display cards have only one overlay surface, a feature which
is required for DVD playback. If another application is using this
surface, it prevents Zoom Player from using it and thus it can't
play DVD content.
* Checking to see which filters are in use:
Load Zoom Player, Switch to DVD Mode and press Play (or alternatively
open the "x:\VIDEO_TS\VIDEO_TS.IFO" file).
If you get an error message, then most likely some of the filters
required for DVD playback are not registered and thus the DVD
title can not be decoded.
If playback does start, you can right-click the video area, move
the mouse over to the "Filter Properties" sub-menu and in this
list you should be able to find the Audio and Video decoder filters.
* Region Code:
All DirectShow players (including Zoom Player) are forced to use
the Windows Region Code, regardless of their decoder.
For information on changing the Windows region code, read:
http://faq.inmatrix.com
* Compatibility:
Zoom Player does it's best to use the DirectShow filters to their
maximum capability. However, some filters are more reliable than
others.
Some of the filters may not be compatible with the latest version of
Direct-X Zoom Player was designed for. Some may be lacking some of
the interfaces DirectShow specifies. With that in mind, Zoom
Player's functionality may suffer due to buggy or lacking filters.
In fact, with certain titles, the DirectShow filters don't seem
to allow for correct initialization code, which may cause the DVD
menus to appear in the wrong aspect ratio and may confuse the
player as to weather it is in fact in a menu mode.
It seems that if you open the DVD Navigator filter properties, it
screws the language selection and title timing, so you should
probably stay clear of it.