[FFmpeg-user] Cutting out part of a video does not work

Cecil Westerhof Cecil at decebal.nl
Sat Mar 27 10:39:38 EET 2021

Bo Berglund <bo.berglund at gmail.com> writes:

> On Sat, 27 Mar 2021 08:29:26 +0100, Cecil Westerhof via ffmpeg-user
> <ffmpeg-user at ffmpeg.org> wrote:
>>Before working with the video I narrowed it. (If I do not my processor
>>gets to hot and the computer shuts down.) There I use crf 23, maybe I
>>should redefine that to 16.
> I also encountered overheating and shutdown when using ffmpeg.

The problem is not ffmpeg, but playing videos with mpv. Especially if
Firefox is also running.

> Turns out I had to blow out all of the dust accumulated inside the cooling
> system on my HP 8440w with compressed air. After that the computer did no longer
> shut down even though it revved up the fan to max.

Did already look at that, but seems OK.

> Worth a check of your computer.
> It should be able to run at 100% CPU for quite a while in normal surroundings
> (if the air flow is not obstructed, please check the inlets on the underside of
> the laptop).

Running ffmpeg with 100% CPU is not a problem. But running mpv with
60% CPU is. I find this quit weird.

Cecil Westerhof
Senior Software Engineer
LinkedIn: http://www.linkedin.com/in/cecilwesterhof

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