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Re: Some AVI bother... [message #60025] Sat, 26 April 2008 04:37 Go to next message
rlkling is currently offline  rlkling
Messages: 14
Registered: April 1999
Junior Member
I haven't seen this behaviour before and not really sure what to do.

Rick's question about the codec is right, maybe PowerDirector is using
an unsupported codec? I looked at www.fourcc.org and did not see any
codec's with their name.

I am just about ready to release a new version of the AVI reader/
writer. The functionality is the same but the error handling is a lot
better and may give insight into your issue.

Keep an eye on the newsgroup for the announcement.

Ronn Kling

KRS, inc.
email: ronn@rlkling.com
Use these books to upgrade your IDL skills.
"Application Development with IDL"
"Calling C from IDL, Using DLM's to extend your IDL code". SECOND
EDITION includes C++ and debugging! THIRD EDITION includes writing
IDL
object methods in C and C++!
"Power Graphics with IDL, A Beginner's Guide to Object Graphics"
"IDL primer" A concise introduction to IDL
"Navigating the IDL workbench" Working with the new IDL 7.0

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Re: Some AVI bother... [message #60038 is a reply to message #60025] Fri, 25 April 2008 12:00 Go to previous messageGo to next message
Rick Towler is currently offline  Rick Towler
Messages: 821
Registered: August 1998
Senior Member
What codec are you using when generating the AVI created in PowerDirector?

-r

Peter Clinch wrote:
> Following my dumb Q about MPEGs a couple of days ago it was suggested
> I'd be better off with AVIs, so I've moved on to AVIs and picked up Ronn
> Kling's AVI code from http://www.kilvarock.com./freesoftware/dlms/dlms.htm
>
> It seems to do the generate test okay, and subsequently read back the
> avi it generated, but everything goes pear-shaped and IDL crashes
> horribly if I try to import a short AVI I've just saved from a movie
> capture program called PowerDirector, using the maximum quality option.
> That movie plays okay in VLC and Windows Media Player.
>
> It falls over reproducibly on different machines, and as well as 7.0 I
> loaded up a copy of 6.3 just to make sure nothing had changed in IDL to
> break it.
>
> Anyone have any ideas what might be going wrong?
>
> Ta, pete.

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Re: Some AVI bother... [message #60144 is a reply to message #60038] Mon, 28 April 2008 04:03 Go to previous message
Peter Clinch is currently offline  Peter Clinch
Messages: 98
Registered: April 1996
Member
Rick Towler wrote:
> What codec are you using when generating the AVI created in PowerDirector?

I've tried a number, Cinepak, MS RLE, MS Video 1, Indeo 4.5, 5.1,
Uncompressed full frames, all seem to barf when I try and read into IDL.

Currently occupied trying to find out a bit more about the budget USB
grabber I'm using, making sure I'm getting correct data rates etc.

Pete.
--
Peter Clinch Medical Physics IT Officer
Tel 44 1382 660111 ext. 33637 Univ. of Dundee, Ninewells Hospital
Fax 44 1382 640177 Dundee DD1 9SY Scotland UK
net p.j.clinch@dundee.ac.uk http://www.dundee.ac.uk/~pjclinch/

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