[vlc] measure dropped frame rates; what happens when a frame drops?
Eric Jonas
jonas at MIT.EDU
Mon Mar 14 09:55:09 CET 2005
Hello! I'm using VLC under OSX; I have two questions:
1. If I play a video, is there any way to get the number of dropped
frames?
2. What exactly happens when you drop a frame?
We're trying to present visual stimuli to a fly while recording neural
data, and so it's really important to control the frame dropping
behavior. If I have a video segment consisting of frames A-Z, and for
some reason frame Q is "dropped", does this mean :
1. frame P is shown for twice as long
2. frame R is show for twice as long
3. Some combination of frames P and R are shown during Q's time
window
4. the interval for Q is simply skipped, and the video has a duration
of 25 frames instead of 26?
Thanks, I'm really excited to use VLC for this project; I was afraid I
was going to get stuck messing with applescript and quicktime...
...Eric
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