Kylee Pena
Forum Replies Created
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If you go under Apple > Formats > Quicktime > ProRes 422 in Compressor, that should be sufficient for you regardless. Or at least it has been for me.
And yes, it could be like the above response that it can’t keep up with the flow of data…though I’ve run files just like that from an external (no arrays or anything) and been fine. I would try this first and then go from there.
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Yes, this all sounds like it’s caused by H264. You have Compressor, right? Just open it up, stick your original source file in, and then drag ProRes 422 onto it and submit. The new file will be much bigger in size, but it’s a nearly lossless conversion to an editing codec.
When you say that you play back the footage in the viewer and it seems to skip ahead suddenly – I’m not a super codec expert, but this sounds exactly like why H264 isn’t editable. See part of one of Dave’s Stock Answers:
“These kinds of footage use temporal, or interframe compression. They have keyframes at regular intervals, containing complete frame information. However, the frames in between do NOT have complete information. Interframe codecs toss out duplicated information.”
Basically (as I understand it), this codec picks up a keyframe every 15 frames or so, and then only reads what changes in those frames to save on information (only recording what has changed vs. recording redundant information). This space between is called a group of pictures. The skipping about in the Viewer or timeline is it skipping from one of these key frames to the next. Very efficient for delivery to the web, not so much for editing where having every single frame is kind of vital 🙂
This has taken me quite a long time to grasp, so I apologize if it’s not clear or slightly wonky.
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You need to transcode the file to something other than H264 first. That is a delivery codec, not an editing codec. Search the forum for this and you’ll see further explanations about the inner workings of H264 and why this occurs. Transcoding to ProRes should work for you.
You say you “can’t play” the file in FCP. Do you mean that you can’t play it in real time, and there’s a red render bar when you lay it into the timeline? Transcoding should fix this for you. Or do you mean it won’t play in the viewer? I’ve edited from nearly hour long source files with a similar setup as you after transcoding and not had any issues with their playback..
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You can go to Tools > Render Manager to clear out render files there.
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I think opt-L is the shortcut to toggle a stereo pair. Click on the pair, then opt-L. Or Modify > Stereo Pair. Is that what you’re looking for?
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What about your frame size, pixel aspect ratio, etc? It sounds like you have the wrong settings here. What settings are you using to capture, what are the full sequence settings of the sequence, and what frame size are you exporting?
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What are your sequence settings?
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I found this about the sys permissions. https://support.apple.com/kb/TS1448 “You can safely ignore these messages. You can also usually ignore any “ACL found but not expected…” message. These messages can occur if you change permissions on a file or directory. These messages are accurate but are generally not a cause for concern.”
So I don’t think that’s an issue. Did you try wiping FCP 4 and 7 both and then just installing 7? I don’t think the JVC plugin is causing this.
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Smoothcam and stabilize in Motion are fairly easy to learn. Neither will totally fix crazy shaking, but I’ve had pretty great results with them, especially with Motion. Keep in mind that these take FOREVER to render. I just used smoothcam on a 10 second clip and I think it took well over 10 minutes just to analyze the clip. I can’t remember how long it took to render..Also, some clips will turn out better than others. If there’s a lot of zooming around and stuff, I don’t think it’ll work as well because it won’t be able to accurately analyze the clip and determine something to base the stabilization from.
The FCP/Motion help sections should be able to give you an idea of how to do this, as well as the multitude of search results on this forum. Also, the Apple Pro Training Series Motion book has a good section about it I think.
Also, invest in a tripod or monopod for future holidays 🙂