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TOPIC: video freezes, not possible to use lightworks

video freezes, not possible to use lightworks 3 years, 1 month ago #85777

  • BizarKid
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Hi,

I tried to use lightworks all day, and i couldn't...

Some videos worked fine, other just lagged and/or made the software crash...

It's a mystery for me, i don't have a super computer (laptop, hp shitty one) but it's enough to run games and videos in good definition or sound softwares, so i don't really think it's a problem of specs.

some AVI videos passed, others didn't. But when i tried for what i really wanted to use lightworks, i.e. make a montage of a video that we did shoot some days ago in 1080p here's what happen:

the import is fine, good, efficient, but as soon as i play the video, the video freezes, the sound keeps playing. I got like 1 second of video running, then everything freezes. I tried to convert the files (they're MOV) into AVI, using lightworks converter (about 10 hours for 20min, so i stopped) and eyeframe convertor (into mpeg1....) as said on other pages of the forum. Nothing changes.

It's a pity cause the software looks amazing and all, and i wouldn't like to do that with movie maker which sucks a bit.

Any idea?

Thanks!

Re: video freezes, not possible to use lightworks 3 years, 1 month ago #85778

  • arniepix
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We can't see your computer from here.

Recommended system specs can be found here. If you're laptop is far below these specs, then you may be out of luck.

It would also be nice to know what the difference is between videos that do and don't import. Use MediaInfo to analyze them & you can post the reports.
post production is not an afterthought!

Re: video freezes, not possible to use lightworks 3 years, 1 month ago #85779

  • BizarKid
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thanks for your answer,

my specs:

OS: Windows 7 Premium family edition 64bits(Version 6.1.7601 Service Pack 1 Build 7601)

laptop: HP Pavilion notebook g6 PC
processor: AMD E-350 Processor 2CPUs 1.6 GHz
BIOS: InsydeH2O CCB.03.61.30F.53

Graphic: AMD Radeon HD 6310

If you need something else, just say. As I said, i guess it wouldn't be the problem, while a lot of big programs run just fine.

Regarding which file works, and which one doesn't, total mystery. all the ones i tried were AVI, some with more or less than 24fps, at start i thought that was the problem, but no. then i tried with .mov, total freeze. They all import successfully, quickly and smoothly. The problem is after, when i play them.

Thanks for your help.
Last Edit: 3 years, 1 month ago by BizarKid.

Re: video freezes, not possible to use lightworks 3 years, 1 month ago #85784

  • David Rasberry
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Your computer is not powerful enough to edit most H.264 or MP4 compressed video formats in real time. An NLE takes considerably more processing power and GPU power to perform well than any game or video player only software that only has to play a single video stream. Compressed video formats require much more processing power than uncompressed or lightly compressed i-frame formats like DNXHD or ProRes.
The other problem with many laptops is trying to edit off a 5400 rpm system drive, which does not have the transfer speed necessary to run two or more video streams at the same time. A dedicated 7200rpm video media drive running on an e-sata port or USB3 port is necessary.
Video freezes in Lightworks are usually a sign of an under powered computer. This program was developed for high powered dedicated hardware systems.
You don't say how much ram your system has or how much dedicated ram your GPU has. Minimum 4GB system ram and minimum 1GB dedicated GPU ram are recommended and that is not nearly enough to edit highly compressed streaming video codecs in real time.
Razz

Digital Bolex 2k Cinema DNG raw camera
Canon GL2 DV camcorder
iPAD Mini 3 Iographer rig

Workstation: Intel i7-4770k, Asrock Z87 Thunderbolt 2 MB, 16GB 1866 DDR3 ram,
2TB Seagate Hybrid system drive, 2TB Seagate NAS media drive, E-sata III hot swap drive bay, Nvidia GTX760 2GB GPU
Lightworks kybrd. Shuttlepro v2
Win10 Pro 64bit, Lightworks 14.0 64bit

Mobile Workstation: MSI GTX72 Dominator
Intel i7-6700HQ 2.7GHz Win10 64bit
16GB DDR4 ram, 500GB M.2 SSD
Nvidia GTX970 3GB GPU
USB3, USB3.1-C, Thunderbolt 3 ports
Shuttlepro2 Win10 64bit LW 14.0 64 bit
Last Edit: 3 years, 1 month ago by David Rasberry.

Re: video freezes, not possible to use lightworks 3 years, 1 month ago #85786

  • BizarKid
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Hey david

Thank you for you very precise and fast answer, you rock.

So my RAM is 4GB and GPU nearly 2GB.

But i was afraid my computer could not handle it... What do you think of all this? would i have any solution to make it run OK or have i to change the machine? looks like i'll be stuck with wmm..

(edit: i have a external hd usb3.0 intellipower, would it do the trick?)
Last Edit: 3 years, 1 month ago by BizarKid.

Re: video freezes, not possible to use lightworks 3 years, 1 month ago #85789

  • David Rasberry
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The usual solution is to transcode compressed video formats to i-frame only edit friendly formats with an external utility like FFMPEG, Eyeframe converter or Cliptoolz Convert (the latter two are GUI front ends for FFMPEG. I have to do that on my laptop, which has two hard drives installed. One is used as a dedicated media drive. It will edit standard def DV camera footage just fine, but struggles with HD formats unless I edit with lower resolution proxies.
Is your GPU ram dedicated or is it shared system ram?
Razz

Digital Bolex 2k Cinema DNG raw camera
Canon GL2 DV camcorder
iPAD Mini 3 Iographer rig

Workstation: Intel i7-4770k, Asrock Z87 Thunderbolt 2 MB, 16GB 1866 DDR3 ram,
2TB Seagate Hybrid system drive, 2TB Seagate NAS media drive, E-sata III hot swap drive bay, Nvidia GTX760 2GB GPU
Lightworks kybrd. Shuttlepro v2
Win10 Pro 64bit, Lightworks 14.0 64bit

Mobile Workstation: MSI GTX72 Dominator
Intel i7-6700HQ 2.7GHz Win10 64bit
16GB DDR4 ram, 500GB M.2 SSD
Nvidia GTX970 3GB GPU
USB3, USB3.1-C, Thunderbolt 3 ports
Shuttlepro2 Win10 64bit LW 14.0 64 bit

Re: video freezes, not possible to use lightworks 3 years, 1 month ago #85790

  • BizarKid
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I guess it's shared. i putted an edit in my last message, didn't see your answer. got an external hd that may be better, if i use it it may do the trick, i'll try tomorrow. thanks for your advice, i don't understand anything, but i'll do my researches...

Re: video freezes, not possible to use lightworks 2 months, 2 weeks ago #163243

  • Hughsg5
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I am having the same problem as the first guy but I have good enough specs. What should I do?

Re: video freezes, not possible to use lightworks 2 months, 2 weeks ago #163245

  • jwrl
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First, what you shouldn't do is raise a three year old thread. Lightworks has changed a lot in the mean time. Any answers given here may no longer be appropriate.

But before anyone can help you we need to know something about your computer and more importantly, something about your media. You should read this thread to see what is needed and how to obtain and post it.

Then I feel sure that someone will be more than happy to offer you some assistance.
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