Dropped frames on preview media

Explorer ,
Mar 27, 2018

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I have a pretty high-end system and I'm getting dropped frames on the first playback of any sequence with rendered preview media. It's almost as if every single clip drops frames the first time its played back. I've tried changing what drives the media is rendered to and I've changed the codec and nothing seems to make it better. All of my drives are definitely fast enough. On the second playback, it'll drop about 25 seconds in, almost every time. These are usually 1080p 23.976 30-second sequences that drop about 50 frames on playback.

My system is:

Windows 10 64bit

AMD Ryzen Threadripper 1950X

GTX 1070 Ti

32GB RAM

500gb M.2 SSD

2tb SSD RAID-0 array

QNAP TVS-1282T3

Blackmagic Decklink Studio 4k (it happened even before I had this)

MSI Gaming Pro Carbon x399 Motherboard

Has anyone had this type of problem?

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Dropped frames on preview media

Explorer ,
Mar 27, 2018

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I have a pretty high-end system and I'm getting dropped frames on the first playback of any sequence with rendered preview media. It's almost as if every single clip drops frames the first time its played back. I've tried changing what drives the media is rendered to and I've changed the codec and nothing seems to make it better. All of my drives are definitely fast enough. On the second playback, it'll drop about 25 seconds in, almost every time. These are usually 1080p 23.976 30-second sequences that drop about 50 frames on playback.

My system is:

Windows 10 64bit

AMD Ryzen Threadripper 1950X

GTX 1070 Ti

32GB RAM

500gb M.2 SSD

2tb SSD RAID-0 array

QNAP TVS-1282T3

Blackmagic Decklink Studio 4k (it happened even before I had this)

MSI Gaming Pro Carbon x399 Motherboard

Has anyone had this type of problem?

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1.1K

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Mar 27, 2018 1
Adobe Employee ,
Mar 27, 2018

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Hi core787,

Sorry for the issue. What is the footage file format? Have you tried to decrease the playback resolution?

Have you tried proxies workflow?

If the footage is compressed, preview will drop frames during playback.

Thanks,

Vidya

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Mar 27, 2018 0
Explorer ,
Mar 27, 2018

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It happens no matter what the original footage is, without rendering previews it generally plays back better even though a lot of the footage is ProRes4444 HQ 4k, once I render down to whatever resolution it skips frames. Ive tried changing playback resolution and that doesnt help.

I've just now tried a bunch of different settings and found that Quicktime Uncompressed or Quicktime Animation gives me no issues, also AVI Uncompressed. But the whole point of previews is to render out smaller versions just for playback, why would they cause such a problem? My Mac systems dont have this issue at all, is it an AMD thing?

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Mar 27, 2018 0
Mar 27, 2018

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Do you use Bitdefender 2018?  After extensive troubleshooting,  I was able to learn my dropped frame issue was due to that specific software.

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Mar 27, 2018 3
Explorer ,
Mar 28, 2018

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No, I dont use that software.

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Mar 28, 2018 0
Contributor ,
Sep 10, 2018

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I can confirm similar behaviour here. I'm just editing some RED footage and rendering the whole timeline to preview in the (default) mpeg-i-frame only format results in little stutters every couple of seconds. Rendering the preview to QT Animation plays back smoothly (I render the previews to an SSD drive). I'm working on a dual xeon workstation with tons of RAM, my PC is not being taxed at all when these stutters occur.

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Sep 10, 2018 0
Mar 27, 2018

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I have also tested the graphics card (GTX 1080), reverting to a previous driver, but the issue with dropped frames continued.

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Mar 27, 2018 0
Mar 27, 2018

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I want to report that I am experiencing the exact same issue.

Constant frames being dropped - whether I render or not.  Basically, a frame drops each second.  I confirmed that the stutter of playback was due to dropped frames.  It makes playback/editing nearly impossible.  I have tried playback rendered and not rendered.  Tried clearing all previews and premiere cache as well.

All drivers are up to date on the system.

Footage is:

Type: MPEG Movie

File Size: 148.40 MB

Image Size: 1920 x 1080

Frame Rate: 23.976

Source Audio Format: 48000 Hz - compressed - Stereo

Project Audio Format: 48000 Hz - 32 bit floating point - Stereo

Total Duration: 00:00:51:00

Pixel Aspect Ratio: 1.0

But after doing some tests, the dropped frames happen to mp4 and MOV also.

Computer is:

Windows 10 Home

AMD Ryzen 7 1800X 3.9 GHz

32GB Ram

Nvidia GTX 1080

When playing back:

CPU usage: 6%

RAM usage: 30%

GTX usage: 4%

GPU acceleration (CUDA) is on.  Dropped frames occur when render is software based as well.  Changing the playback quality doesn't make a difference either.

Help would be much appreciated asap!

Clint

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Mar 27, 2018 1
Explorer ,
Nov 17, 2020

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Does anyone have a solution?
I'm having tha same problem.
every 5 seconds I get a drop frame
AMD Ryzen 9 3900x
GTX 1080 Founders Edition
64Gb ram 2666
500Gb nvme


Asus TUF X570 Motherboard.



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Nov 17, 2020 0
Adobe Community Professional ,
Nov 17, 2020

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Do you have only the one drive? What is your media? What effects are involved? We have to have enough information to do something other than wild guesses.

 

Neil

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Nov 17, 2020 1
Explorer ,
Nov 17, 2020

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I just built the PC.
For now I have the nvme and a SATA HDD installed. 
I'm still backing up my files from my 2012 Mac Pro. As soon as it's finished, I'll Install a SSD and 2 more Sata HDDs in the PC.
The media is a simple 1080p H.264. I just droped it in the timeline (create sequence from clip) to see if everything was working fine. Sadly it's not.
I converted it to ProRes 442 and got the same results; Used the HDD as scratch disk; 
Every 5 seconds I get a drop frame.
In  After Effects is plays smoothly, renders super fast. 
I'm using the Nvidia Studio Ready Driver.  Tried using the Game  Ready Driver and got the same problem.

Thanks for the help

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Nov 17, 2020 0
Explorer ,
Nov 18, 2020

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Solved with  formating the machine.  
I have no clue Idea what was causing the problem.

Thanks

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Nov 18, 2020 0