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Video lagging not an easy fix it seems

songoku

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Apr 28, 2019
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Hey :)

I recently bought my lovely DJI Mavic 2 Zom, but the videos are laggy.

1. The video even laggs without using a external SD card. Just using the in build memory for recording.
2. It laggs playing it from the drone memory.
3.it laggs if I play the file from my pc.
4. I tried to watch a 4k youtube clip and it dont lag so it cant be my pc, cable, screen.

So now i'am pretty much out of ideas on my own to why my recordings lagg.
Pictures are perfect, and it do not lag on my phone when I record it.

Firmware is the newest on drone and controller and phone.

Any ideas?

Maybe the windows 10 default media player stinks? Nah, cant be?

Best regards

Son Goku, the drone pilot
 
What computer are you using (what processor)?

Just throwing out a guess... The lagging could be from your computer being unable to handle 4K video. Clicking on a 4K video on YouTube isn't the best way to see if you can play 4K. Quite often YouTube will throttle back downloads to lesser resolutions.

I've got an older i7-4770 based PC running Windows 10. Media player renders 4K video with no problems.
 
Lol, i clicked my own google drive link to check it worked. There is no lagg when I see the video from my google drive. Will try the vlc player if it removes the lagg.
 
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In the VLC player the picture/video just freezes for 10-20 sek at a time while playing. Useless. Dunno why it does this. I have used VLC player a lot on my old pc.

Maybe this old laptop cant handle it. But when streaming 4k video from the internet it seems no problemo.

Pc specs:

Driver Easy TXT Report
-------------------------------------------------------------------------


Binaries
-------------------------------------------------------------------------


Driver Easy version v5.6.10


Overview
-------------------------------------------------------------------------


Machine MEDION - P7624
Operation System Microsoft Windows 10 Home (64-bit)
Memory 8 GB
Processor Intel(R) Core(TM) i5-2450M CPU @ 2.50GHz
Motherboard MEDION - P7624
Video Cards NVIDIA GeForce GT 630M
Monitors AUO B173RW01 V2
Hard Disk ST9500325AS (500,0 GB)
Network Card Intel(R) Centrino(R) Wireless-N 1030 Driver




CPU
-------------------------------------------------------------------------


Processor
Name Intel Core i5 2450M
Code Name Sandy Bridge
TDP 35 W
Package Socket 988B rPGA
Technology 32 nm
Core Voltage 1,09 V
Specification Intel(R) Core(TM) i5-2450M CPU @ 2.50GHz
Family 6
Model --
Stepping --
Ext. Family --
Ext. Model --
Revision D2
Instructions MMX , SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, x86-64, NX, VMX, AES, AVX


Clocks
Core Speed 2593,8 MHz
Multiplier x 26
Bus Speed 99,8 MHz
QPILink --


Cache
L1 Data 2 x 32 KBytes
L1 Inst 2 x 32 KBytes
Level 2 2 x 256 KBytes
Level3 3072 KBytes




Motherboard
-------------------------------------------------------------------------


Motherboard
Manufacturer MEDION
Model P7624 To be filled by O.E.M.
Chipset Intel Sandy Bridge
Revision 09
Southbrige Intel HM65
Revision 05
LPCIO --


BIOS
Core Speed American Megatrends Inc.
Version 0.50
Date 03/06/2012


Graphic Interface
Version --
Transfer Rate --
Max. Supported --




Memory
-------------------------------------------------------------------------


General
Type DDR3
Size 8192 MBytes
Channel# --
DC Model --
NB Frequency --


Timings
DRAM Frequency 665,1 MHz
FSB:DRAM --
CAS# Latency(CL) 9 clocks
RAS# to CAS# Delay(tRCD) 9 clocks
RAS# Precharge(tRP) 9 clocks
Cycle Time(rRAS) 24 clocks
Bank Cycle Time(tRC) --
Command Rate(CR) 1 clocks




Graphics
-------------------------------------------------------------------------


GPU
Name Intel(R) HD Graphics 3000
Code Name Sandy Bridge
Technology 32 nm
Revision --


Clocks
Core 650 MHz
Shader --
Memory --


Memory
Size --
Type --
Bus Width --
 
Lol, i clicked my own google drive link to check it worked. There is no lagg when I see the video from my google drive. Will try the vlc player if it removes the lagg.
Oh, good. I was wondering since I did not see lag!

By the way, I have found jerkiness when I play back videos on my Win7 computer when using JetAudio. Which has worked fine for all other video playback. Switching to vlc or a Windows player and it plays fine. Not sure what it is about the format that causes the issues on JetAudio.
 
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Try using h264 instead of h265. Your computer is not capable of hardware decoding h265. Only recent models are. Perhaps drop resolution back to 2.7k or 1080p if you don't need 4k and it struggles.
 
The video in your link works OK for me, no jerkiness at all.

I think the highest resolution for your Nvidia 635M is 2560 x 256 & 4k is 3840 x 2160
 
Last edited:
The video in the link you posted is only 1080P. Not 4K.

Not familiar with your i5-2450M CPU.. It is current, but I don't know if it has the horsepower to render 4K video. As THECYBORG points out.. It might be your video card.

Just to restate... The YouTube videos you watch that have 4K in the title might not be 4K at your end. YouTube routinely throttles back video resolution depending on your bandwidth and CPU speed. This is done to prevent video lag. You may be clicking on a 4K video but only seeing 1080P or even 720P on your screen.

You can check to see the resolution of video that YouTube is sending you. There's a little gear on the bottom right of the screen. If you click on it, you'll see all the video resolutions that are available. (as in the photo below).

To be sure you're seeing 4K, after clicking on the little gear, you need to click on the top 2160P (4K resolution).. THEN you're actually watching 4K on YouTube.

youtube-speeds.jpg
 
The orignal file he posted on Google Drive is 4k and plays perfectly fine. His PC is just not up to the task.
 
Ahhhh...I thought I read the opposite...duh...thanks, dude.

Went back and snagged the clip from Google...man, that outfit sure has some bandwidth! It maxxed my connection immediately and took about ten seconds to download the 850mb file!

Pulling it into Premiere, I looked at the file Properties:

Video Codec Type: MP4/MOV H.264 4:2:0

And yep, Kilrah, it played perfectly here as well so it's a hardware issue no doubt.
 
Last edited:
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