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writevideo skipping last frame

7 次查看（过去 30 天）
Leyon
Leyon 2014-8-1
评论： Leyon 2014-8-1
I am using writevideo to make a movie while creating the images. I have gotten it to work before however, this time it is skipping the last frame although I haven't changed the code. the code is:
if true
narr_anim(7) = struct('cdata',[],'colormap',[]);
myVideo = VideoWriter('dove_anim.avi');
myVideo.FrameRate = 1;
open(myVideo);
for m = 1 : 7
narr_anim(m) = getframe(gcf)
writeVideo(myVideo, narr_anim);
end
close(myVideo);
end
Am I missing something?

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采纳的回答

Ben11
Ben11 2014-8-1
Maybe use
narr_anim(m).cdata
in your loop? Other than that your code looks fine to me
  7 个评论
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Leyon
Leyon 2014-8-1
vlc doesn't even play the video. It opens the first frame, runs the length of the movie but doesn't show the other images.
Leyon
Leyon 2014-8-1
videowriter captured all the frames and if I stop WMP it shows the last frame. But during playback, WMP goes black before the last frame is rendered.

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