Extract the last frame and check the video info

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Exton 2012-10-20

obj=VideoReader('111.wmv');

a=read(obj);

frames=get(obj,'numberOfFrames');

   for k = 1 : frames
       I(k).cdata = a(:,:,:,k);
       I(k).colormap = [];
   end

implay(I)

"" 1st Question:

how i need to take out my last frame???? if i dont knw what is my frame go on

2nd Question:

how do i check ,the info of my video avi is "fileinfo=wmvinfo('111.wmv')" but mine was not avi folder

Walter Roberson 2012-10-20

After the loop you show, the last frame will be I(end).cdata

I do not understand what you mean about "mine was not avi folder" ?

Exton 2012-10-20

and may i know is there any code that can give out what is the number of the last frame?? bcos i am using the last frame number to run a loop...

Walter Roberson 2012-10-20

You already have an example of checking the file information:

frames=get(obj,'numberOfFrames');

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