Premiere Pro CC 2014 - Choppy multicam playback

[RGTV]

So I'm running Premiere Pro CC 2014 (8.0) on OSX Mountain Lion (10.8.5), using CUDA acceleration and everything works fine except for one thing: when I do a multicam edit I switch the program monitor into the multicam mode as usual. However, during playback I'm dropping frames with the video (audio playback is normal). This happens with playback at any resolution, even down to 1/8. Since I've retained the previous version of Premiere Pro (7.0), I've checked it's multicam playback and it's completely normal at full res. After going through and matching all settings in 8.0 to 7.0 I'm really at a loss with this problem, any ideas?

[RGTV]

I just wanted to add that this is occurring with multicam sequences of 3 or more cameras. If I go back to the source sequence with 3 cams and disable one then multicam playback is fine with just 2 cameras. The sequences I'm having the issue with look like this:

3 cameras (with audio)

All video is ProRes 422, 1080p @ 24fps

1 audio track from separate recorder

[ianskalski]

I have the exact same problem. Multicam work perfectly until 7.2.2 then its been choppy and unusable ever sense. I don't know what to do.

[RGTV]

Just as an aside, I'm now getting more playback failures (little red X in bottom right) lately with footage that's already been rendered. This combined with the multicam issue, combined with ingest issues in Prelude CC 2014, leads me to think that whatever's been changed in regards to playback may be the cause of it all. Isn't Mercury Transmit a new feature in the 2014 release? If so, could that be the cause?

[RGTV]

For the record, the latest update of Premiere Pro (8.0.1) still hasn't fixed this problem.

[ianskalski]

Hey

I do a weekly multi cam job and I've noticed it only starts stuttering when there are multiple multi cams in a sequence that are longer than about 10 minutes each. My work around lately is to put each multi cam in sequence, do my multi cam edit, and then copy and paste each edited muli cam into the final timeline. Its very annoying but at least I can work this way. Also  I can tell after I'm about 8 or 9 minutes into a multi cam edit it starts dropping frames but it still workable. It needs to be addressed and fixed immediately!!!! I've re installed premiere, I've re formated my entire pc, and nothing I do fixes it. I can go into premiere pro cc 7.0.1 and cut a multiple long multi cams flawlessly so something has changed.

The three cameras are native 5d and 7d. I'm on a powerful windows pc with CUDA and this only stated happening after the premiere pro cc December update last year.

Ian

[ianskalski]

Also I turned off the multi cam reference monitor and that helped as well.

[RGTV]

Well there's no problems with playback when the program monitor is in composite mode, although editing a multicam sequence in composite mode is essentially flying blind. Again, to underscore this point, this multicam problem IS NOT PRESENT in Premiere Pro CC (7.x), it occurs only in THE NEW VERSION (8.x). Can someone from Adobe tell us if anything is being done about this?

[JDusek]

This is now a problem I have been having as well. I recently noticed it only with a 3 cam view and not a 2 cam view. I have tried the same project on multiple drives, disable audio and nothing works. The footage is ProRes 422

I run: i7-3930k

ram: 32 gb

Windows 7 64 bigt

GTX 680

[Guest]

I've been running into this problem as well on a brand new 15" Macbook Pro with the NVIDIA graphics card. When I bring the same project into CC14 on a late 2012 21.5" iMac, it's no longer a problem.

Considering the SSD versus HDD, 16GB of RAM in the laptop versus 8GB in the desktop, improved graphics card, and i7 versus i5, I've been really frustrated by this problem. Not sure what would cause the disparity in performance as both are running the latest version of premiere.

Running native 5D footage in multicam sequences with anywhere from 2-5 cameras and it's a problem in every instance. Would love for word from Adobe on this problem and seeing that it gets fixed.

[rmartin215]

I would like to know if anyone has answered you (is Adobe listening?)

[JDusek]

Nope, nothing. I know that using the 3 cam edit was smooth before CC 2014. Something has changed.

[rmartin215]

I wonder what the"big users" think when they can't get a smooth playback.

[RGTV]

On this topic? Nope.

[RGTV]

OK, I think I may have solved this problem:

Goto Preferences--Playback

Make sure "Enable Mercury Transmit" is checked

Below that make sure that "Adobe Desktop Audio" and NOT "Adobe DV" is selected

I've just tested a 5 minute multicam span with 4 cams and didn't have a dropped frame on full res. This is with CUDA enabled, and using CMD-Shift-F11 to check for dropped frames. I will update this thread if I have any further issues with this, but so far so good.

[RGTV]

Looks like I spoke too soon. Fired up Premiere Pro CC 2014 to do another multicam edit and started dropping frames. Here's a comparison of the old CC (7.x) version to the new 2014 version (8.x) from the Render System Info (CMD+Shift+F11):

Premiere Pro CC (7.x)

CUDA Render System

Total render time: 0.86ms

Display FPS: 24.05

Target FPS: 23.98

Rendered FPS: 48.86 (This number will start high, then begin to drop as playback continues, not falling below 24)

Total: 127

Dropped: 0 (No dropped frames for sequences of at least 5 minutes or more)

RenderSize: (3840, 1080), Downsample: 1.00

Quality: Draft, Field: First

FramePrefetchLatency: 15ms

InQueue: 137

PendingInQueue: 0

CompleteAheadOfPlay: 132 (This number will increase to 132 at beginning of playback then stay there)

PF: VUY 422 8u 709 ImporterQuickTime (This shows for each camera in the edit, in this case x4)

Premiere Pro CC 2014 (8.x)

CUDA Render System

Total render time: 0.71ms

Display FPS: 24.21

Target FPS: 23.98

Rendered FPS: 36.94 (This number will start high, then begin to drop as playback continues, dropping as low as 21)

Total: 58

Dropped: 0 (Frames will begin to be dropped usually by the 30 second mark)

RenderSize: (3840, 1080), Downsample: 1.00

Quality: Draft, Field: First

FramePrefetchLatency: 554ms

InQueue: 48

PendingInQueue: 12

CompleteAheadOfPlay: 31 (This number will start out around 132, then begin to fall. When it gets near 12 frames start to drop)

PF: VUY 422 8u 709 ImporterQuickTime (This shows for each camera in the edit, in this case x3)

I've racked my brain over this issue, we really need someone from Adobe to look at this thread.

[FAMS]

Hi everyone!

This problem is with me too. I just can't edit multicam, playback is frozen always.

I'm in a new project with a concert and have 8 cameras. With this new version (CC 2014 v8,0,1) its total impossible.

We installed more 3 hard drives thinking that the playback will get better but no way.

Last Christmas in première cc v7 I edit other concert with same 8 cameras and no problem, multicam works well.

The problem must be this new version. Adobe have to fix it!

[RGTV]

Just wondering, what OS and what graphics card are you running?

[FAMS]

OS X 10.9.5

2.8 GHZ QUAD CORE INTEL XEON

12 GB 1066 MHZ DDR3

3 SATA III HDDs and 1 firewire 800 with raid 0

Ati Radeon HD 5770 1024 MB (playback with a blackmagic 3D studio)

[RGTV]

Are you running GPU acceleration in your project settings?

[FAMS]

Yes, I´m running with Mercury Playback Engine GPU acceleration (OpenGL).

I also try with no GPU acceleration (Mercury Playback Engine Software only)
and same thing. Try to change timeline settings and nothing too.

I´m working with MPEG files 4:2:2 generated by tricaster (SD 16x9 PAL), nothing special I think.

The other concert I edited was in this format too, I dont know whats wrong!

[RGTV]

What's wrong is Premiere Pro CC 2014 (8.x) and nothing else as far as I can tell. Our video cards are different (I'm running an NVIDIA 2GB card) and our OS is different (I'm still running 10.8.5) but our experience on this issue is identical. Adobe needs to respond to this thread, especially since I first posted it June 26th.

[FAMS]

I agree with you!

Adobe must do something to fix it.

There is no reason to happen this issues with multicam project.

Hello Abobe, what can you say to us about this?

[Mark Mapes]

I find two bugs, both fixed in the impending update, that are specific to poor performance with particular types of content: with some QuickTime content, the old QT32Server is used rather than the new native QT importer; and MPEG content transcoded by certain 3rd party solutions. Neither of these bug reports is specific to multicam editing, but it stands to reason that bugs such as these would be compounded when working with multiple streams of the affected format.

Beyond that, here are a few things to try that can help performance:

• If you have Transmit enabled, please try disabling it and see if performance improves.
• If you have multiple audio tracks locked, try unlocking them.
• If you have Show Duplicate Frame Markers enabled, try disabling that option.
• If you have the new option "Maintain Pitch while Shuttling" enabled, turn it off (Preferences>Audio)

[FAMS]

Hi Mark!

Thank you for your informations.

If I understood, you say that a new update for Premiere 8 is coming soon, is that it?

Concerning your tips it doenst help much and what you mean  with "TRANSMIT", playback to external monitor?

I tryed so many options disabled and same thing happen but I must say that with my configuration and using 8 cameras

the multicam view works very fine with all cameras playing well but when I stop/pause the timeline and move the cursor

timeline never more play well. If I stand by a minuto or two  I can get playout well again but this is not good method.

I think that Premiere dont handle well this codec (MPEG 4:2:2) generated by tricaster from Newtek.

I will try to transcode all files with a new codec to see what happen.