Hi Mark,

It sounds like a very good solution for me as I don't have too many videos. 
But the problem is, how can we mark a image the thumbnail of a video. After we 
simply upload the image as the bitstream, what should I do to link the image as 
the video thumbnail? 
Or this can only be done in command line on the server?

Cheers,
Fan

On 2011-5-5, at 下午5:53, Mark H. Wood wrote:

> On Thu, May 05, 2011 at 03:13:08PM +0100, Fan Zhu wrote:
>> Is anyone know how to generate thumbnail for .mpeg, .avi, etc? It looks like 
>> the default dspace package  only provide us a way to generate the thumbnail 
>> for images and document files.
>> Is there any specified package I should use?
> 
> This is probably beyond the scope of DSpace.  The best that an
> autonomous process could do for video is probably to extract the first
> frame and shrink it.  That might not be a very good choice -- the
> first frame might not have the titling or anything else representative
> of the whole.
> 
> The best I can come up with is to load the video into an editor, pick
> a frame that would make a good thumbnail, export it as a still image
> (JPEG, PNG), resample to an appropriate size, and add that to the Item
> as the thumbnail.  Or the people who made the video may have prepared
> still images for promotional purposes -- ask them.
> 
> There are probably a lot of tools that can export frames from videos.
> I just tried VLC (a player) and Cinelerra (an editor) and both worked well.
> 
> -- 
> Mark H. Wood, Lead System Programmer   mw...@iupui.edu
> Asking whether markets are efficient is like asking whether people are smart.
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