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TOPIC: Video playback slow after renewing license.

Video playback slow after renewing license. 1 year, 12 months ago #126156

  • Frogroar
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Hello all,

When I installed Lightworks Pro in November last year, I had problems with video playback. Sound seemed to play fine, but video couldn't always keep up with it. I asked for information (and complained) in a few posts, and got one of the moderators here to help me out. He asked me to post some kind of log-file. After that day, playback problems were almost non-existent, believe it or not.

I renewed my Pro-license a week ago and the playback problems are back. Is there anything I can do to resolve this issue once again?

Thanks!
Lightworks 14.0.0.0 Pro, 64 bit, console Mk III

System: Mac Pro, OSX 10.10.5 Yosemite
Memory: 24 GB RAM, 1333 MHz DDR3
Storage: 2 x LaCie 4Big 12 TB @ USB 3.0
Graphics: AMD R9 4 GB RAM

Re: Video playback slow after renewing license. 1 year, 12 months ago #126158

  • hugly
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Hi,

if you solved the playback problem once posting a report let's try it again.

Plaback problems are related to performance issues in almost any case. The specific causes can be pretty complex sometimes. It's not much likely that your problem has something to do with license renewal.

To assist you more information is needed. Please post a mediainfo report of the footage that causes the issue. Maybe a short explanaition of the project you're working on (number and kind of tracks, used FX) might be also helpful.

Did you upgrade your OS recently to Sierra?
It's better to travel well than to arrive...
Last Edit: 1 year, 12 months ago by hugly.

Re: Video playback slow after renewing license. 1 year, 12 months ago #126160

  • Frogroar
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Hi hugly,

I'm still editing the same TV-show as before: 13 episodes of 50 minutes each. Material is 1080p DNxHD at 25 fps. I did not import new footage so I don't believe the playback problem is a matter of the RAID being too full (I have 6Tb of free space). I did not upgrade to OSX Sierra, it's still Yosemite. I always use 2 video layers with a DVE-effect or greenkey from time to time, but nothing crazy. I have 16 audio layers, but they're far from being too full. I made a screenshot of an episode timeline, just to show you I'm not lying.

This image is hidden for guests. Please log in or register to see it.


I went back to the post where I posted my first report. Cookiecutter was the one who helped me out. He asked me to compress the Backup-folder in Lightworks. I compressed it again and uploaded it to WeTransfer. Hopefully this will help. we.tl/jC0pYbyruC
Lightworks 14.0.0.0 Pro, 64 bit, console Mk III

System: Mac Pro, OSX 10.10.5 Yosemite
Memory: 24 GB RAM, 1333 MHz DDR3
Storage: 2 x LaCie 4Big 12 TB @ USB 3.0
Graphics: AMD R9 4 GB RAM
Last Edit: 1 year, 12 months ago by Frogroar. Reason: Cannot attach zip-file...

Re: Video playback slow after renewing license. 1 year, 12 months ago #126162

  • hugly
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Impressive time line.

I'm not a specialist reading Lightworks error.logs but obviously there's an issue.

I just checked error.log.2. It contains the following message
assertion failed TolerantEq(nextPlayTime_, nextPlayTime ) at /Users/jenkins/workspace/lightworks/12.5/Aud/SoftwareAudioMixer.cpp line 2261

repeated 220.590 times. To me that doesn't look healthy.

I can't explain the reason for the specific message above but I saw something similar on a linux system. In that case the error was related to sound device settings which caused an recurring timing error, 300 messages per seconds which polluted the stderror.log file amd made the file grow instantly.

I'm not sure that this problem is caused by Lightworks but I have no idea what the reason could be.

Have you tried to disable "Show audio wave forms" from timeline menu?

Maybe reinstalling Lightworks might help.

You might also wish to check system load (CPU, RAM, Drive Access) with task manager while editing.
It's better to travel well than to arrive...
Last Edit: 1 year, 12 months ago by hugly.

Re: Video playback slow after renewing license. 1 year, 12 months ago #126166

  • Frogroar
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Thanks for taking a look. Hm, no luck there... besides, I kind of need the waveforms. The system load seems fine.

I forgot to mention that I'm still running Lightworks 12.5 because I don't fully trust the upgrade to 12.6 while working on a large project like this one. I don't know what I would do if the project doesn't open or something... Anyway, should I upgrade?
Lightworks 14.0.0.0 Pro, 64 bit, console Mk III

System: Mac Pro, OSX 10.10.5 Yosemite
Memory: 24 GB RAM, 1333 MHz DDR3
Storage: 2 x LaCie 4Big 12 TB @ USB 3.0
Graphics: AMD R9 4 GB RAM

Re: Video playback slow after renewing license. 1 year, 12 months ago #126168

  • hugly
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While you encounter the playback problem does the orange progress indicator top left hand side of the project window show up?

I mentionend the wave forms because sometimes, if one of the wave form files has got currupted somehow, it slows performance down siognificantly. The fix is to delete the complete wave form files, they will be rebuild on demand..

Did you reinstall 12.5?
It's better to travel well than to arrive...

Re: Video playback slow after renewing license. 1 year, 12 months ago #126169

  • Frogroar
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I did not reinstall anything yet (being scared and all).

I know what you mean, but no orange indicator...
Lightworks 14.0.0.0 Pro, 64 bit, console Mk III

System: Mac Pro, OSX 10.10.5 Yosemite
Memory: 24 GB RAM, 1333 MHz DDR3
Storage: 2 x LaCie 4Big 12 TB @ USB 3.0
Graphics: AMD R9 4 GB RAM

Re: Video playback slow after renewing license. 1 year, 12 months ago #126170

  • hugly
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I didn't encounter any problem whatsover reinstalling the same version of Lightworks or upgrading from 12.02 or 12.5 to 12.6. It does no harm to existing projects or footage.

Nevertheless, for safety reasons you should export you recent projects to an archive. I would also make a copy of the complete Lightworks folder structure before reinstalling.

Do you have a years license which includes unlimited upgrades?
It's better to travel well than to arrive...

Re: Video playback slow after renewing license. 1 year, 12 months ago #126183

  • Frogroar
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I just upgraded to the latest 12.6 and did not encounter any problems opening my project. However, the playback problems are still there, even when I turn off the waveforms, volume and whatnot. This is driving me nuts, especially because everything used to work for 8 months.

I will try to copy all the media on another RAID and see if that helps. Who knows, maybe it's the disk...
Lightworks 14.0.0.0 Pro, 64 bit, console Mk III

System: Mac Pro, OSX 10.10.5 Yosemite
Memory: 24 GB RAM, 1333 MHz DDR3
Storage: 2 x LaCie 4Big 12 TB @ USB 3.0
Graphics: AMD R9 4 GB RAM

Re: Video playback slow after renewing license. 1 year, 12 months ago #126189

  • hugly
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Good luck!

Just another thought: Is your Lightworks folder, the project location (not media), placed on SSD or on HDD?

Lightworks performs a lot of file based activities there and a project folder located on HDD might cause also performance issues.

A SSD away from the system drive would be best choice.
It's better to travel well than to arrive...

Re: Video playback slow after renewing license. 1 year, 12 months ago #126191

  • Frogroar
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Problem solved! It had nothing to do with Lightworks, but my guess was right: all of a sudden one of the HDD in the RAID started making strange noises this morning and accessing the data was even slower than yesterday evening. I'm currently rebuilding the RAID with a replacement HDD and working off a backup copy. Everything works smoothly.

Let this be a lesson to all: ALWAYS BACKUP!

@hugly: the project folder is located on a separate HDD. Nothing else is on it. But you're right, I will put the SSD on my Christmas list!
Lightworks 14.0.0.0 Pro, 64 bit, console Mk III

System: Mac Pro, OSX 10.10.5 Yosemite
Memory: 24 GB RAM, 1333 MHz DDR3
Storage: 2 x LaCie 4Big 12 TB @ USB 3.0
Graphics: AMD R9 4 GB RAM

Re: Video playback slow after renewing license. 1 year, 12 months ago #126192

  • hugly
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Adding just a few additional thoughts:

I read through your post a few months ago:

www.lwks.com/index.php?option=com_kunena&func=view&catid=9&id=105908&Itemid=81

I downloaded the error.logs posted there and inspected the biggest one, error.log.11. It's also showing a cumulation of the same error message as in the recent error.log.2.

As I believe to see in the recent logs there's only one project opened, "13 GEBODEN - 3T Constellation", generating all those messages starting after a while. This project seems to contain recently more than 15.00 15.000 logs and at startup appr. the same amount of different source files to be opened.

Did I understand it right that your video footage is 1080p(SF) and the intermediate format is DNxHD36?

Is it true that you use one single project for all the 13 episodes with appr. 15.000 imported source clips (audio plus video)?

If so, it's possible that you reached some kind of phiscal limit of of your system too, OSX, Lacie Raid, Lightworks or whatever hard- or software used. If you can confirm what I'm saying you should consider to split your work into different projects.
It's better to travel well than to arrive...
Last Edit: 1 year, 10 months ago by hugly.

Re: Video playback slow after renewing license. 1 year, 12 months ago #126193

  • Frogroar
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Yes, that is true. Before using Lightworks I did the same with Avid, which was no problem at all. And I had no problem with Lightworks until the disk failure. Now that I have everything up and running again, things are smooth again (and the bug fixes in 12.6 are welcome too). The project starts up pretty fast, even with 110 days worth of shooting (= about 1h30 of footage daily)!

It's just much easier for me to have an overview of the whole series in one project. If I need to make a "Previously"-edit to put in front of every episode, for example, to make trailers or if I move a scene from one episode to another...
Lightworks 14.0.0.0 Pro, 64 bit, console Mk III

System: Mac Pro, OSX 10.10.5 Yosemite
Memory: 24 GB RAM, 1333 MHz DDR3
Storage: 2 x LaCie 4Big 12 TB @ USB 3.0
Graphics: AMD R9 4 GB RAM

Re: Video playback slow after renewing license. 1 year, 12 months ago #126194

  • hugly
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I understand, but you should keep an eye on this issue.

You can also copy edits, clips, bins between projects with same frame rate using the Copy method of the content manager, but I'm sure that you're aware of that.

Finally, glad to hear that you got the problem fixed replacing the Lacie raid array.

Have a nice day!
>> <<
It's better to travel well than to arrive...
Last Edit: 1 year, 12 months ago by hugly.
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