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145 What's about Video-CD and CD-I? Playback Software For Video CD and CD-i




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This article is from the MPEG FAQ, by Frank Gadegast phade@cs.tu-berlin.de with numerous contributions by others.

145 What's about Video-CD and CD-I? Playback Software For Video CD and CD-i

Media Player, distributed with Windows, will playback .MPEG and .DAT
files very nicely. But, you have to point to these files directly.
With Video CD and CD-i, you want software that will read the CD header
and begin automatic playback of the CD. Media Player does not support
this, and most of the players for the PC will not either.

Therefore, you must find a player that will support playback of Video
CD and CD-i. CompCore's SoftPEG 2.0 is distributed with CD Vision, a
player that supports Green Book, Video CD 1.1 and Video CD 2.0.

So, if you want to playback Video CD or CD-i, you need more than just
an MPEG decoder. You need one that has a driver and a player that will
support the playback of these formats!

Using Software Decoders

Software decoders will run fine with Video CD and CD-i, although there
are CPU constraints. Because these decoders use your CPU for processing,
frame rate is dependent upon the speed of your processor. Generally,
the decoder should be configured for maximum CPU usage (90%), and all
other applications should be closed.

Another factor is that Windows 3.1 is a bit faster than Windows 95 for
software decoding. Windows 95 tends to use more system resources. This
is a minor consideration, though, because the 32-bit decoder drivers
talk nicely with the new graphics accelerator boards. In fact, the new
Direct Draw drivers will greatly improve things further.

Use of software decoders should be limited to Pentium platforms, for
best frame rate and better compatibility.

 

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