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@@ -5539,7 +5539,7 @@ when evaluation is done @emph{per frame}, and will evaluate to NAN |
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when @option{eval} is set to @samp{init}. |
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Be aware that frames are taken from each input video in timestamp |
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order, hence, if their initial timestamps differ, it is a a good idea |
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order, hence, if their initial timestamps differ, it is a good idea |
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to pass the two inputs through a @var{setpts=PTS-STARTPTS} filter to |
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have them begin in the same zero timestamp, as it does the example for |
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the @var{movie} filter. |
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Michael Niedermayer
11 years ago