Windows 10: PC hangs/freezes while splitting a large video

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  1.    26 May 2018 #21

    Bree said: View Post
    You can dramatically reduce the size of a video file by using higher compression levels. The Constant Rate Factor (CRF) is used to specify compression. In addition, you can specify how much time it spends processing each frame, from 'ultrafast' to 'veryslow'. The longer you take, the better the quality of the compressed video. Typically I use....

    ffmpeg -i input.mp4 -crf 28 -preset veryslow output.mp4

    ...which generally takes about four times as long as the video length (I leave it running over night for long videos).


    https://trac.ffmpeg.org/wiki/Encode/H.264
    Thanks
      My ComputerSystem Spec

  2.    26 May 2018 #22

    Bree said: View Post
    Scaling the video down to (say) 320p, and/or using a high CRF of (typically) 28 can significantly reduce the size of the video to be uploaded.

    This video may help explain using CRF...
    FFmpeg video compression - decrease size, maintain quality - YouTube
    Thanks again
      My ComputerSystem Spec

  3.    26 May 2018 #23

    That may just increase load on system, it's not just file size that makes problems but shear amount of work computer has to do and that overheats it kicking in safety mechanism.
    This Easy Video Splitter - Download is one of lighter ones.
      My ComputersSystem Spec

  4. Bree's Avatar
    Posts : 8,842
    10 Home x64 (1809) (10 Pro on 2nd pc)
       26 May 2018 #24

    CountMike said: View Post
    That may just increase load on system, it's not just file size that makes problems but shear amount of work computer has to do and that overheats it kicking in safety mechanism...
    That's true, and worth keeping an eye on. FFmpeg is heavy on the cpu when recoding and compressing, but as sam9 said earlier that...
    ...ffmpeg was also a new thing to me. But with the help of some friends and google, I succeeded and that also very fast.
    ...it would seem more likely that in this case the low installed RAM and heavy swapfile use was the main reason for grinding to a halt

    I get by happily on 4GB RAM and x64 Win10 (System One in my specs below). I did notice some slowing down last year, but cleaning the fluff from the fans was sufficient to cure that.
      My ComputersSystem Spec

  5. Berton's Avatar
    Posts : 5,399
    Win10 Home and Pro, Win10 Insider Preview, WinXP Home Premium, Linux Mint
       26 May 2018 #25

    My 2Euros worth? According to Crucial that motherboard will handle up to 80GB RAM [Max Unbuffered DDR3 SDRAM:80GB]. If frequently working with video files I'd go to the next level above that size, e.g. a 14GB file would be handled better with 16GB installed RAM, or maybe double that.
    http://www.crucial.com/usa/en/compat...Rock/785gm-gs3
    As mentioned, 2GB is the minimum requirement for 64-bit Windows [1GB for 32-bit].

    EDIT: After perusing that Crucial page I'm beginning to think the Max. RAM may be 8GB, the 80GB probably is a misprint. Anyway, 8GB would be the way to go if that's the maximum it can handle.
      My ComputerSystem Spec

  6.    07 Jun 2018 #26

    With due regards to everyone, ffmpeg did a great job for me and I noticed when I used one of my other pc with the same hardware and same old video editors, the pc did neither heated nor freezed. Though I got my earlier pc serviced and even changed smps, it remains heated and freezed. It means, the specifications of the pc did not matter in my case and there is some other fault in my earlier pc. But this fault at least gave me information about ffmpeg by forum friends.
      My ComputerSystem Spec

  7. Bree's Avatar
    Posts : 8,842
    10 Home x64 (1809) (10 Pro on 2nd pc)
       07 Jun 2018 #27

    sam9 said: View Post
    ...I got my earlier pc serviced and even changed smps, it remains heated and freezed...
    SMPS? Switched mode power supply? So it's a desktop then. If the cooling fans are clear of fluff and running freely it may be that the CPU's thermal paste needs replacing. It's a hot topic (pun intended) over on the Overclocking forum.
      My ComputersSystem Spec

  8.    07 Jun 2018 #28

    Bree said: View Post
    SMPS? Switched mode power supply? So it's a desktop then. If the cooling fans are clear of fluff and running freely it may be that the CPU's thermal paste needs replacing. It's a hot topic (pun intended) over on the Overclocking forum.
    Yes you are right but in this case even the paste was replaced (it is possible that the new SMPS may also be faulty) but I think I should not linger on this topic (as the main purpose of editing large video files is solved) and I am happy with my other Spare PC working and I can take liberty in repairing the faulty one latter on.
      My ComputerSystem Spec


 
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