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April 18th, 2009, 10:39 AM
#1
 DVD-RAM Playback
I am having some trouble playing back DVD-RAM disks.
First I tried my desktop, it has two optical drives and runs Windows 2000.
Both of them responded with "incorrect function" when I tried to access the drive letter, however, burning programs were able to recognize a DVD-RAM in the drive, and imaging programs were able to rip a ISO that I could browse with WinRAR. I have no idea how to play the disk or mount and play the ISO.
I tried my laptop, which runs Windows 7 BETA 7000. On Side B, attempting to open the drive letter automatically started Windows Media Player (even though I disabled autorun) and tried to play it..... but it was just a blank screen. The button had the pause icon on it instead of play so I assume it was trying to play, but the scrollbar for the timer was not advancing.
I tried the other side of the disk, and this time it just opened up the disk in explorer to let me browse it's files.
My DVD playing apps would not play it because they could not find the standard "VIDEO_TS" directory.
Any ideas what I can do to play this on either my desktop or laptop?
Trying to Google DVD-RAM player just got me hundreds of forum posts of people asking if their standalone DVD player can play DVD-RAM disks, most of them from years ago.
"A train station is where a train stops. A bus station is where a bus stops. On my desk I have a workstation..." - William Faulkner
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April 18th, 2009, 10:59 AM
#2
Wikipedia - DVD-RAM
http://en.wikipedia.org/wiki/Dvd-ram
Compatibility
Many operating systems like Mac OS (Mac OS 8.6 up to Mac OS X), Linux and Microsoft Windows XP support DVD-RAM operation directly, while earlier versions of Windows require device drivers or the program InCD.
Windows XP Home and Professional can only write directly to FAT32-formatted DVD-RAM discs. For UDF-formatted discs, which are considered faster, compatible device drivers or software such as InCD or DLA are required. Windows Vista can natively access and write to both FAT32 and UDF-formatted DVD-RAM discs, however Windows Vista uses its own version of the UDF format giving compatibility problems. Vista also has issues with XP formatted FAT32 discs as Vista uses the CPRM features. Even though it is possible to use any file system one likes, only very few perform well on DVD-RAM. This is because some file systems frequently over-write data on the disc and the table of contents is contained at the start of the disc.
Mac OS up to 9.2 (Mac OS Classic) can read and write HFS-, HFS Plus-, FAT-, and UDF-formatted DVD-RAM discs directly. Mac OS X officially supports DVD-RAM formatting and writing operations.[1]
Many DVD standalone players and recorders do not support DVD-RAM. However, within "RAMPRG" (the DVD-RAM Promotion Group) there are a number of well-known manufacturers of standalone players, recorders, and camcorders that do support DVD-RAM. Panasonic, for instance, has a range of players and recorders which make full use of the advantages of DVD-RAM.
Some DVD players with hardware DVD-RAM capability are sold without DVD-RAM support. As a specific example, Dell uses the TS-L632D drive manufactured by TSST in some of its laptop computers without DVD-RAM capability. However it is possible, with some difficulty, to replace the firmware with a non-Dell version which supports DVD-RAM.[2]
The newest DVD-RAM Specification, DVD-RAM2 (also called RAM2), is not compatible with DVD drives that do not specifically support reading DVD-RAM2 discs.[3]
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April 18th, 2009, 11:17 AM
#3
That explains the incorrect function thing on my Windows 2000 desktop, but my Windows 7 Laptop clearly was able to read it, I just dont have an application for playing it.
"A train station is where a train stops. A bus station is where a bus stops. On my desk I have a workstation..." - William Faulkner
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April 18th, 2009, 01:06 PM
#4
Does Windows 7 have the same compatibility problems with DVD-RAM as Vista?
Wikipedia - DVD-RAM
http://en.wikipedia.org/wiki/Dvd-ram
Windows Vista can natively access and write to both FAT32 and UDF-formatted DVD-RAM discs, however Windows Vista uses its own version of the UDF format giving compatibility problems. Vista also has issues with XP formatted FAT32 discs as Vista uses the CPRM features.
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April 18th, 2009, 01:15 PM
#5
I have no idea, but I AM able to read the disk, I just don't have anything that plays it because all my playback software expects a DVD-ROM, not a DVD-RAM.
"A train station is where a train stops. A bus station is where a bus stops. On my desk I have a workstation..." - William Faulkner
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April 18th, 2009, 01:23 PM
#6
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April 18th, 2009, 05:32 PM
#7
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April 18th, 2009, 07:33 PM
#8
I tried VLC, it complained about a video directory not found
"A train station is where a train stops. A bus station is where a bus stops. On my desk I have a workstation..." - William Faulkner
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April 18th, 2009, 07:47 PM
#9
so you went into Media - open disc and it couldn't find the directory?
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