Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

Choppy Multiclip

Hi!

I'm having trouble with a multiclip in Final Cut 7. I have four angles in my multiclip and Final Cut can't seem to play the multiclip without the following happening:

After a few seconds it gets choppy and ultimately freezes. The audio continues though. When I hit pause, the freeze frame changes to the "current" freeze frame, as if the clip had rolled as normal.

I have changed the RT-settings to an absolute minimum (Playback video quality: Low. Playback Frame Rate: Quarter), but that doesn't help at all. Same thing if I click "Sync off", just to watch the current angle in Canvas - doesn't help.

The thing is, I made a multiclip containing only three of the four angles, and that clip works as a charm. It's like four streams is to much for the hardware to handle, but considering the workstation I'm working on that should not be a problem. Or should it?

Anyone had the same problem? And is there a solution, other than to wait for Final Cut X and hope for the best?

/Magnus

Here are the specs:

Software

Final Cut Pro 7

Hardware

Mac Pro

MacPro5,1

6-Core Intel Xeon

3,33 GHz

L2-cache: 256 K

L3-cache: 12 MB

Memory: 12 GB

Graphics

ATI Radeon HD 5870

VRAM: 1024 MB

Material

1280x720

Apple Prores 422 (HQ)

50 fps

Data Rate: 21,6MB/sec

Storage

Sonnet Fusion DX800 RAID

Posted on May 24, 2011 3:09 AM

Best reply

BenB

Level 6

12,103 points

Posted on May 24, 2011 3:54 AM

ProRes HQ? Really? What camera is your footage from? HQ is a CPU hog and can easily bog down in Multiclips. Unless this is footage from a RED or other high end camera, you don't have any reason to use ProRes HQ. DSLR & AVCHD footage should use LT, HDV should use 422.

View in context

33 replies

May 26, 2011 6:49 AM in response to cineblue

MacPro 2x2.26 (8RAM), internal 3-drive RAID0.

Longest TRT was 96 minutes, 6 angles, ProRes 422 720p24, not sure the data rate, media has been removed.

Highest data rate was a 60-odd minute 6 angle ProRes 422 1080p24.

Both sourced from AVCHD & worked fine.

cineblue

Level 1

19 points

May 27, 2011 1:17 AM in response to thrillcat editorial

Thanks for that info. I have edited multiclip material in DVCPROHD 1080p with 3 cameras in Final Cut with my Mac Pro 3.0 8-core and had no problems, but I have yet to edit multicamera with ProRes HQ.

ujayank

Level 1

8 points

Aug 6, 2012 2:26 PM in response to MagnusLekberg

I started having this issue as well when I began doing some 1080p 4 camera edits. My first issue was that I was editing off of a USB 2.0 drive. I transferred all the footage to an interal 2TB drive and it improved. Now I'm editing a 5 camera shoot and it's choppy again. So I have transferred each camera to a separate drive, reconnected the media and it's working perfectly.

Choppy Multiclip