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Clips coming over as black on timeline

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Matt SurfClips coming over as black on timeline
by on Apr 22, 2012 at 4:40:00 pm

Hi,

Not sure what's happened here but one minute everything with my project was fine but now when I playback my project, some of the clips on the timeline are showing as solid black, but with the audio intact.

I don't remember pressing anything that may have 'hidden' the footage. When I scrub the particular clip it shows up in the preview window but when I play with project with the playhead, the clip, and a few others on the timeline, are just black.

Please help!! :)

Thanks in advance

Matt


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Jeremy GarchowRe: Clips coming over as black on timeline
by on Apr 22, 2012 at 7:17:24 pm

Open the timeline index and make sure your video based roles are on (checked).

Jeremy


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tony westRe: Clips coming over as black on timeline
by on Apr 22, 2012 at 10:57:06 pm

I saw this weird deal also Matt.

I thought it was a bug. Never saw it before the last update.

I think I toggled between enable by selecting the black clip and hitting the v key and got it to come back.

I have not been able to repeat it to narrow it down.


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Matt SurfRe: Clips coming over as black on timeline
by on Apr 23, 2012 at 10:02:58 am

Thank you for your help guys and glad to hear it's not some weird bug!! I'll try those out and sure one will work. Thanks again. Matt


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tony westRe: Clips coming over as black on timeline
by on Apr 23, 2012 at 12:27:41 pm

Sorry Matt, I didn't explain that well.

What I meant to say was, I'm not really certain it's "not" a bug. I'm not really sure what it is. I would need to see it happen again.


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Matt SurfRe: Clips coming over as black on timeline
by on Apr 23, 2012 at 7:03:42 pm

Hi both,

Well, here's the thing! I've tried both your approaches and yeah, in the timeline index Video roles is checked but still the clip is playing black!!

It is a compound clip if that makes any difference although the clip after it, also a compound clip, works fine!!

Do you have any more suggestions please - I'm really scratching my head on this one!!


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Matt SurfRe: Clips coming over as black on timeline
by on Apr 23, 2012 at 7:09:32 pm

Hi, I thought I'd paste an image of the problem if this helps. As I say, shows up fine with scrubber just not when playing!!



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Jeremy GarchowRe: Clips coming over as black on timeline
by on Apr 23, 2012 at 7:15:47 pm

[Matt Surf] "Well, here's the thing! I've tried both your approaches and yeah, in the timeline index Video roles is checked but still the clip is playing black!! "

The Role should be checked if you want playback, just for future reference.

I checked out the screen grab, thanks. If you open that compound up "in timeline" what's inside of it? (Right click, choose "open in timeline"). Right now it is only showing as an audio clip (green).


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Matt SurfRe: Clips coming over as black on timeline
by on Apr 23, 2012 at 7:30:00 pm

Hi (thanks)

I've opened in timeline and it's showing as audio and video clip OK.


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Matt SurfRe: Clips coming over as black on timeline
by on Apr 23, 2012 at 7:30:20 pm

Out of interest, the audio does still play on playback, just not the video


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Matt SurfRe: Clips coming over as black on timeline
by on Apr 23, 2012 at 7:32:44 pm

Weirdly, it's now happening on about 80% of my clips - some of them compound clips but all of them on the main timeline. Do you think it may be preferences?


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Jeremy GarchowRe: Clips coming over as black on timeline
by on Apr 23, 2012 at 7:44:24 pm

I would say that something is going weird.

What is the source of your media and how did you import it?

Where is it stored?

At the very least, try and make a brand new Project and copy and past your current timeline in to it to back it up.

It makes ensue that the audio is playing back, as it shows it the timeline. What's odd is that the compound clip is green and not blue, which indicated that it is audio only.

Jeremy


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Matt SurfRe: Clips coming over as black on timeline
by on Apr 23, 2012 at 7:51:42 pm

Hi Jeremy,

Thanks for all your assistance - I've checked the clip in timeline and inspector and it is showing as video and narrative. However (cue trumpets) I did just trash my preferences using Preference Manager, re-opened and it has solved the problem!! It had automatically overlaid my bed-track over the timeline footage, really not sure why or how, so I moved the audio down to another 'track' and my clip is now playing as before.

So, not sure if it was just a preferences thing or a deeper issue but hopefully for now it's all sorted!!??

For info, I'm using H.264 footage off an EOS DSLR.

Thanks again for your help! :)


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Jeremy GarchowRe: Clips coming over as black on timeline
by on Apr 23, 2012 at 7:52:22 pm

That was going to be the next step, probably should have been the first!

;)

Jeremy


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Matt SurfRe: Clips coming over as black on timeline
by on Apr 23, 2012 at 8:48:01 pm

Ah well, we live and learn ;0) Cheers again, Matt


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Richard HerdRe: Clips coming over as black on timeline
by on Apr 23, 2012 at 9:21:05 pm

[Matt Surf] "It had automatically overlaid my bed-track over the timeline footage, really not sure why or how, so I moved the audio down to another 'track' and my clip is now playing as before"

Just curious: How did you start this project? That is, did you lay the audio in first or the picture?

If you haven't seen it already, I recommend the Jim Giberti technique http://forums.creativecow.net/readpost/335/29301


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Matt SurfRe: Clips coming over as black on timeline
by on Apr 24, 2012 at 10:23:28 am

Hi Richard, Thanks for the link, I'll definitely check that out.

No, I brought in the video (which had previously been synced) first. Then I ran my bedtrack underneath. Could it be the synced footage that may have caused a glitch?


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Jeremy GarchowRe: Clips coming over as black on timeline
by on Apr 24, 2012 at 3:59:39 pm

[Matt Surf] "No, I brought in the video (which had previously been synced) first. "

Synced where and how?


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Matt SurfRe: Clips coming over as black on timeline
by on Apr 24, 2012 at 4:58:12 pm

Hi, synchronised through FCP X - my DSLR footage and Zoom audio.


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Richard HerdRe: Clips coming over as black on timeline
by on Apr 24, 2012 at 5:39:40 pm

What do you mean by "synced" footage? Multicam? Or clapper to pic?


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Matt SurfRe: Clips coming over as black on timeline
by on Apr 29, 2012 at 7:52:33 pm

No, it was original footage off my EOS 550D and audio off my Zoom and then I synced using FCPX sync capability. Thanks.


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Jeremy GarchowRe: Clips coming over as black on timeline
by on Apr 24, 2012 at 6:28:18 pm

[Matt Surf] "No, I brought in the video (which had previously been synced) first."

[Matt Surf] "Hi, synchronised through FCP X - my DSLR footage and Zoom audio."

Sorry, Matt. I am misunderstanding.

You brought in video that was previously synced, but then you resynced in FCPX?

Sorry, please explain like I'm 5 years old. I'm a goof.

Jeremy


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Matt SurfRe: Clips coming over as black on timeline
by on Apr 29, 2012 at 7:54:21 pm

Hi Jeremy, apologies about the delayed response, been offline!! The footage wasn't synced, it came in straight off the card and then I synced it with my Zoom captured audio using FCP X's sync option. Thanks.


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Elias HuchRe: Clips coming over as black on timeline
by on Jun 11, 2012 at 6:15:51 pm

OK, So I am in the same boat, sort of. My event got corrupted, so I deleted it and created a new one. All was fine and good. Reconnected and everything came back online. However, SOME of my clips are black, the waveform is still there, but no video or sound. If I open it in the timeline it works fine. Any ideas?

Elias Huch
Motion Graphics Designer
Reelvizion Productions


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Matt SurfRe: Clips coming over as black on timeline
by on Jun 17, 2012 at 7:05:26 pm

Hi Elias,

Off memory, I think I cleaned out my permissions, restarted and it was all OK again - a glitch!!

Good luck

Matt


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Mark ZamoraRe: Clips coming over as black on timeline
by on Jul 18, 2013 at 3:04:46 pm

Thank you, this fixed the problem. Mark


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Mark DixonRe: Clips coming over as black on timeline
by on Jun 19, 2015 at 3:16:48 pm

I'm able to regularly reproduce this behavior by exporting a particular FCP7 project to XML, then converting to FCPX with 7toX, then opening in FCPX. Not only do I get strange black frames (sometimes entire black clips) when skimming around the clips, but the behavior leaks into all of my other open libraries from other projects that previously had no problem. All libraries are negatively affected by this behavior until I remove the problematic library that contains the clips imported from FCP7 and restart FCPX. Then all the libraries that had previously received the "leaked" bad behavior are fixed. If I re-open the problematic library, however, then all the other open libraries get re-infected with the strange behavior.

A few additional considerations to help us debug this thing:
- I tried resetting preferences and that didn't help.
- The footage appears to be fine in FCP7 (HDV 1080p30 - actually 29.97fps - 1440x1080 - shot on Canon XH-A1)
- If I import the raw footage from problematic FCP7 project WITHOUT doing any XML/7toX conversion (i.e. ID the video files from that project and import them separately, unassociated with the FCP7 project file/sequences/bins) the footage shows up fine in FCPX. Something is getting gummed up in the conversion.
- I have successfully converted many other projects from FCP7 to FCPX using 7toX without this problem, even though the same camera and workflow as the problematic project were used.
- I tried re-linking the problematic files and that didn't help.
- Some of the problematic files show up in FCPX with a compound clip icon instead of the expected thumbnails.
- I wonder if there was a frame rate mismatch somewhere that FCP7 deals with more gracefully with than FCPX?

I'd love to be able to import this problematic project and get working on it in FCPX instead of FCP7. Any suggestions would be greatly appreciated!

***
Independent Filmmaker
Canon C100, Panasonic GH3
FCPX, FCP7


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Jeremy GarchowRe: Clips coming over as black on timeline
by on Jun 20, 2015 at 3:19:25 pm

I would email Intelligent assistance and send a copy of both the original XML and translated fcpxml.

info at AssistedEditing dot com


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Charles FredricksRe: Clips coming over as black on timeline
by on Aug 1, 2015 at 12:40:29 am

Related to "Clips coming over as black in timeline", FCP 7: just had this problem. Simple fix worked for me:
Go to 'View" drop down menu. Under 'Image — Image and wireframe — Wireframe' options, make sure you don't just have 'Wireframe' checked. Not sure how that happened, maybe some keystroke combination I'm unaware of. Anyway, checked 'image' and all was back to normal.
I knew it had to be something like this because these are the same clips I've been using for months, and they play uncorrupted in Quicktime.


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