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Artifacts on export and grey render bar
Howdy! I hope this is the right forum.. I never know when something is FC Basics or not. I have a very strange issue that will NOT go away.
1st, here is my set-up and settings. 27″ iMac OS X 10.6.6, FCP 7.0.3.
Below is a screenshots of my project/clip settings.
Here is a shot of my RT settings:
Right up front I need to say that I searched like crazy on the web and found some similar issues that had the “trash your preferences” as a solution.. did that and no go.
Here is my frustrating dilemma. I am cutting a music video and when I export my project using the same settings as my project to a MOV file I get some strange artifacting. As I was troubleshooting I discovered that the artifacts would appear in the export in the sample spots where there was a grey render lin in my timeline. But playback in FC (canvas) does NOT show any artifacts. The music vid is 5min long and this happens about a dozen times throughout and it is very obvious.
If it helps, here is a short 40second sample of what it does upon export. Keep in mind that it does this before and after the youtube conversion.. so it isn’t an h.264 issue: https://www.youtube.com/watch?v=EeZedbX-A8Q
Also, here is a screenshot of my timeline that corresponds with the youtube sample. If you blow up the pic you can see the grey area’s, at about 2sec & 14sec in you see the artifacts really stand out, in the timeline those are points where the render bar is grey.
Any assistance would be HUGE! I need to deliver this in a few days.
Cheers,
Dan Rollins – LiveWireFilms.com
HDSLR Videographer (T2i & 7D shooter) – FCP 7.0.3 (Studio 3) – 27″ iMac 2.8 Quad Core i7 4GB RAM – ATI Radeon HD 4850 -
3 Replies
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Two things to try.
1. Put a black slug or black color solid where there is no media.
2. In your sequence settings, under the”render control” tab, select “ProRes 422” from the codec button. -
Thanks John, well you did get my mind thinking. I changed the Render Control to ProRes and it didn’t help. Then I actually exported it to ProRes and that got rid of it… took like 10 times as long, but it worked.
I am still curious if anyone has any thoughts as to why this is happening. I really don’t want to change my workflow and start exporting to ProRes, I just don’t have the time or storage for that.
Any other thoughts as to dealing with the dreaded grey render line?
Cheers,
Dan Rollins – LiveWireFilms.com
HDSLR Videographer (T2i & 7D shooter) – FCP 7.0.3 (Studio 3) – 27″ iMac 2.8 Quad Core i7 4GB RAM – ATI Radeon HD 4850 -
Are you doing any color correction to the footage that requires rendering? If you keep everything in “XDCam Land” the quality will suffer as you render back to XDCam format.
My XDCam workflow is as follows if doing color correction within FCP.
-Load XDCam in and edit in a XDCam timeline.
-Once the edit is finished, change your sequence codec to ProRes and do color adjustments and render.
-Export out in ProRes.If you don’t have the storage for this, you’ll have to accept the fact that the program quality will suffer as you render back to XDCam format.
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