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TOPIC: Imported video is laggy

Imported video is laggy 10 months ago #159451

  • ProG25
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  • 10 months ago
I imported a video from my PS4, when I try to play it in light works, it lags badly. What can I do to fix it?

My laptop is 32 bit and the video is at 30 FPS. If you need more info on my laptop specs, I’ll tell you them.

Re: Imported video is laggy 10 months ago #159452

  • briandrys
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Welcome to the forum.

Unfortunately, you're not providing enough information. Please follow the directions in this sticky, so that users can see the technical details of your video.

www.lwks.com/index.php?option=com_kunena&func=view&catid=23&id=66072&Itemid=81

Also, the spec of your computer would be useful, since this may be caused by an underpowered machine.

Re: Imported video is laggy 10 months ago #159526

  • ProG25
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  • 10 months ago
Here are my laptop specs and the files info from mediainfo!

Heres mediainfo!

General
Complete name : D:\PS4\SHARE\Video Clips\SHAREfactory™\When you win your first match in Fortnite Battle Royale.mp4
Format : MPEG-4
Format profile : Sony PSP
Codec ID : MSNV (MSNV/isom/mp42)
File size : 172 MiB
Duration : 3 min 41 s
Overall bit rate : 6 521 kb/s
Encoded date : UTC 2017-10-22 22:56:42
Tagged date : UTC 2017-10-22 22:56:42

Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Main@L3.1
Format settings : CABAC / 1 Ref Frames
Format settings, CABAC : Yes
Format settings, RefFrames : 1 frame
Format settings, GOP : M=1, N=30
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 3 min 41 s
Bit rate : 6 390 kb/s
Width : 1 280 pixels
Height : 720 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 29.970 (30000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.231
Stream size : 169 MiB (98%)
Language : English
Encoded date : UTC 2017-10-22 22:56:42
Tagged date : UTC 2017-10-22 22:56:42
Color range : Limited
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709

Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : mp4a-40-2
Duration : 3 min 41 s
Bit rate mode : Constant
Bit rate : 128 kb/s
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 48.0 kHz
Frame rate : 46.875 FPS (1024 SPF)
Compression mode : Lossy
Stream size : 3.38 MiB (2%)
Language : English
Encoded date : UTC 2017-10-22 22:56:42
Tagged date : UTC 2017-10-22 22:56:42
Attachments:
  • Attachment This image is hidden for guests. Please log in or register to see it.

Re: Imported video is laggy 10 months ago #159528

  • ProG25
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  • 10 months ago
General
Complete name : D:\PS4\SHARE\Video Clips\SHAREfactory™\When you win your first match in Fortnite Battle Royale.mp4
Format : MPEG-4
Format profile : Sony PSP
Codec ID : MSNV (MSNV/isom/mp42)
File size : 172 MiB
Duration : 3 min 41 s
Overall bit rate : 6 521 kb/s
Encoded date : UTC 2017-10-22 22:56:42
Tagged date : UTC 2017-10-22 22:56:42

Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Main@L3.1
Format settings : CABAC / 1 Ref Frames
Format settings, CABAC : Yes
Format settings, RefFrames : 1 frame
Format settings, GOP : M=1, N=30
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 3 min 41 s
Bit rate : 6 390 kb/s
Width : 1 280 pixels
Height : 720 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 29.970 (30000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.231
Stream size : 169 MiB (98%)
Language : English
Encoded date : UTC 2017-10-22 22:56:42
Tagged date : UTC 2017-10-22 22:56:42
Color range : Limited
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709

Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : mp4a-40-2
Duration : 3 min 41 s
Bit rate mode : Constant
Bit rate : 128 kb/s
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 48.0 kHz
Frame rate : 46.875 FPS (1024 SPF)
Compression mode : Lossy
Stream size : 3.38 MiB (2%)
Language : English
Encoded date : UTC 2017-10-22 22:56:42
Tagged date : UTC 2017-10-22 22:56:42

heres the file from mediainfo, I also attached a image to a different reply to the topic

Re: Imported video is laggy 10 months ago #159532

  • hugly
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  • 10 months ago
I'm sad to say, but I believe your machine is below the lowest limit of a computer suitable for video editing, even with 720p footage.


This image is hidden for guests. Please log in or register to see it.
It's better to travel well than to arrive...
Last Edit: 10 months ago by hugly.

Re: Imported video is laggy 10 months ago #159533

  • briandrys
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Your computer is underpowered. You could try using the internal proxy, to see if this works. It's described on P138 in the V14 User Guide found in downloads > documentation. These are smaller resolution files, which makes editing easier for the computer, but then the export is made using the full resolution source files.

These are the recommended system specs for Lightworks:

Intel i7 chipset or faster, fast AMD chipset
3GB RAM or higher
Two high-resolution displays (1920 x1080) or above
PCI Express graphics card (NVIDIA or ATI) with 1GB or higher and support for DirectX 9 (Windows only)
Separate media and system drives (these can be internal or external as long as the the interface is suitably fast
Compatible sound card
200MB Disk space for Lightworks installation

However, users have i5 processors and good RAM, which works for them.

Re: Imported video is laggy 10 months ago #159534

  • ProG25
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  • 10 months ago
Oh...I see... does this mean my laptop won’t work on other video editing softwares either? iMovie and windows movie maker are already in the laptop so i don’t know if they’ll work. Thanks for the info though. Do you think iMovie or windows movie maker would work though?

Re: Imported video is laggy 10 months ago #159535

  • briandrys
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You can try, I've edited on an underpowered computer in the past, it's very limiting. Imovie only works on a Mac, you could check out Windows Movie Maker, my understanding is that they are less demanding in computer power.
Last Edit: 10 months ago by briandrys.

Re: Imported video is laggy 10 months ago #159536

  • hugly
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  • 10 months ago
It's not very likely that if Lightworks doesn't work fluently other software will work fluently. Try it and tell us..

.. but, before diving into toys or fake-ware, you might wish to follow Brandrys suggestion using proxies. It’s a way to decrease load and to improve performance , and set output format in project menu to 720p.
It's better to travel well than to arrive...
Last Edit: 10 months ago by hugly.
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