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Comment by liveart on March 19, 2009 at 12:19pm
neat. I am just learning the video bits of SA as well. I am ok with the movie stream from canvas, and can process a movie file with a PAS. But is there away to apply more than one PAS to a movie? For example PAS 1 for frames 1-300 then PAS 2 for 301 to 350 them PAS 1 or 3 etc?
Comment by David Buckle on March 19, 2009 at 2:37pm
I'm no expert and just starting to play with video. Not knowing any better I'd take the video into iMovie and split into 2 clips then process each clip with a different PASequ then take them back to into imovie and put back together. I did that to this movie and then reprocessed the whole movie with another PAS afterwords. I;m sure there is an easier way but that worked.
Comment by Rondan on March 19, 2009 at 5:56pm
Liveart it would be my guess that you would have to split the movie into segments eg in imovie or quicktime pro and process the segments one at a time with whatever PAS you choose and then recombine the segments into a movie. At least that may be one possible method.
Comment by liveart on March 19, 2009 at 6:46pm
see the discussion by JD in the tutorials regarding a similar question asked by John H/
Comment by Synthetik Software on March 19, 2009 at 7:49pm
One way to build PASeq's that change what they are doing in different frame segments is to use mute keyframes. You could have the first 4 PASeq steps run for 300 frames and then at frame 301 record a mute keyframe. To do this you click the keyframe cell with the m and option keys held down. Option is the normal record a keyframe hot key, the addition of the m hot key records a mute keyframe as opposed to a normal keyframe. When an action step is muted it does not play back until the next active keyframe in the timeline for that action step is reached.

A real common use of mute keyframes is to setup an initial state for the canvas for frame 1 (like set the canvas to white) and then mute that step for the remaining frames.

Of course you always have the option to break your source movie into pieces, process the pieces with different PASeqs, and then paste them all together when finished.

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