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Flatten multicam weirdness
I’m just finishing my first project in Premiere CC. I got all my clips synched, made a multicam sequence, edited, so far so good.
Now that I finished I wanted to flatten the sequence so I could trim out some dead spaces between songs in the concert.
I selected all the clips and choose flatten from the right click menu. Looked okay except about 5 places in the had diagonal stripes in them and there was only black on the screen. When I checked those places in the opened up nest I noticed that in each instance there was a gap on a track, leaving blank space. Sometimes this was when there was no camera footage at all and other places there was a gap, but it wasn’t on an active track. I had also used Re:visions match on a track and where there were holes I had put in guide footage but had disabled the clip on the timeline.
In order to make the diagonal lines disappear in the flatten sequence and restore my video I had to put black video in the holes and turn on the disabled clips.
Thinking this had something to do with my use of plugins on the source sequence. I built a multicam sequence with NO plugins and left some gaps on tracks both in the active clip and under the active clip. Sure enough when I flattened the sequence I got diagonal bars in areas with gaps.
I can’t find any articles or tutorials telling me how to deal with a flattened sequence. Anyone know of any?
BTW I’ve confirmed all this on two different machines. One a twelve core running 10.9 and the other an 8 core running 10.8.4.
Thanks for any help with this.Thanks,
Vince Sanchez
Intel 12 core Mac 2.66
Intel Dual Quad Core 3.0
AJA LHe
AJA LHi
OSX 10.4.11
FCP 7
Premerie CC -
2 Replies
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I’m having the exact same issue on a very similar project. Did you ever find an answer?
Thanks!
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We’ve seen this too.
We have to flatten our multicam before we hand it off to the audio mix. and in one sequence we noticed about 7 One frame gaps throughout the 44 minute sequence.
We couldn’t find rhyme or reason as to the why, but it does look like it’s always the first frame that gets cut.
The only guess I can make is that some of the multicam clips are using I frame compression instead of quicktime.. and maybe it’s cutting on an I frame, so it needs to jump to the next I frame in line? i’m not sure.
Any help would be appreciated.
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