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Split composition into separate render items at exact frame end
Good morning! I split an after composition in 2 parts. Rendered them separately (mov) and the tried to concatenate them using FFMPEG. It works well except for a 1-second stop (bith audio and video) at the joint. The only difference between both parts is the bitrate: a. Part1e: 22391 kb/s and Part 2: 22220 kb/s. After many tests, I believe (i may be completely wrong!) that my problem is how i split the composition in After. I did it at any random sec. Not sure if this is right, but if there are FRAMES in the comp, I may need to do the cut at the exact place where a frame ends and another starts. Does this make sense? My feeling is that since I am not cutting it at that exact place, when i render both parts, it is completeing the last frame or something… so when I merge both files, it is completing what is missing of the frame with a still image and silent sound. Sorry if I am way off….
Thanks for your help.
Mary
ma***************@***il.com -
2 Replies
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Hi Dave. Thanks a lot for your fast response.
The reason I am doing this is because a part of the video (part1) has variable data that I need to update in order to generate several personalized videos. And part 2 remains the same for all videos. So I just want to render part 1 several times and concatenate part 2 without rendering this second part.Hope it makes sense.
Thanks a lot!
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There are frames in every After Effects composition, so that’s not your problem. Your issue is either (A.) there are black frames after you made a cut in the first section (B.) there are black frames at the beginning of your second section or (C.) the software you are using is inserting a space between the two clips.
I would check each clip individually, and if both look clean and you still have issues, I would take Dave’s suggestion and bring them into Premiere (Or even AE again) to combine. Then you can see how it plays back and adjust anything if needed.
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