| Re: CW_Animate procedure... [message #32156] |
Fri, 13 September 2002 02:39  |
Manish
Messages: 20
Registered: April 2001
|
Junior Member |
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Thanks Rick, i'll give that a try, load each frame twice (or how ever many
needed) to slow it down enough!
Cheers for your help,
Manish
--
"Rick Towler" <rtowler@u.washington.edu> wrote in message
news:alqlsc$1cng$1@nntp6.u.washington.edu...
> You can always use an external program to adjust the frame rate. I know
the
> freeware virtualDub will do this. The problem is that the MPEG standard
> requires video to be encoded at one of a few specific rates. If you want
> your video to run at around 30%, you'll need to encode at 10 fps which
isn't
> a legal MPEG rate, so you'll have to encode to .AVI. Another downside to
> this approach is that you will be re-encoding the MPEG file which will
> degrade the quality even further. Plus you'll undoubtedly enter codec
> hell...
>
> Can you just insert individual frames more than once?
>
> -Rick
>
>
>
> "M" <mrmanish@bigfoot.com> wrote
>
>> Bugger! Oh well..... :-((
>>
>> Thanks for your help anyway David, it's appreciated!
>>
>> Manish
>>
>> --
>>
>> "David Fanning" <david@dfanning.com> wrote
>>> M (mrmanish@bigfoot.com) writes:
>>>
>>>> I'm writing a program that uses the CW_ANIMATE procedure to animate
>> plots,
>>>> then write them to an mpeg file. This is all working fine, but when
i
>> come
>>>> to write the mpeg (via the save button in the widget), it only
writes
> it
>> at
>>>> full speed (frame rate).... :-( I can view it fine at (say) 30%
>> speed,
>>>> but saving it as mpeg at that speed is a problem.
>>>>
>>>> I was wondering, is there a way to write the mpeg at a specified %
> frame
>>>> rate, ie 30% of full speed?
>>>
>>> No. :-)
>>>
>>> Cheers,
>>>
>>> David
>>>
>>> --
>>> David W. Fanning, Ph.D.
>>> Fanning Software Consulting, Inc.
>>> Phone: 970-221-0438, E-mail: david@dfanning.com
>>> Coyote's Guide to IDL Programming: http://www.dfanning.com/
>>> Toll-Free IDL Book Orders: 1-888-461-0155
>>
>>
>
>
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