Timeline for efficient way to compose all frames in a video to a single image
Current License: CC BY-SA 4.0
6 events
| when toggle format | what | by | license | comment | |
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| Feb 22, 2021 at 17:04 | answer | added | Michael | timeline score: 1 | |
| Feb 22, 2021 at 15:45 | comment | added | Michael | @X.LINK Thanks... it seems my suspicion is correct about IM. I've tried finding a way to do this directly in ffmpeg, but so far my google-fu has failed me - if it's possible at all. I don't know if there is another Linux utility that would do this efficiently, but I'm hoping somebody will know. | |
| Feb 22, 2021 at 15:01 | comment | added | X.LINK |
Imagemagic's convert is a bit known for using a lot of RAM, even for seemingly simple tasks. But it does have a -limit switch: askubuntu.com/a/726827 which might help you, but also this: serverfault.com/questions/97340/… . I've asked about the policy because I myself am interested.
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| Feb 22, 2021 at 0:59 | comment | added | Michael | @X.LINK I've got 128GB of RAM; I'm allowing convert half of it. The policy is irrelevant. I can extract video much faster than real time (source: having used ffmpeg for other things) and it is not necessary to buffer every frame in memory what is apparently what it is doing. There is no reason for it to be taken so much RAM when only two frames need to be in RAM at once. The naive usage is wrong so I need something that is less naive and uses resources commensurate with the actual complexity of the operation. | |
| Feb 22, 2021 at 0:43 | comment | added | X.LINK | Please detail how dit you set your policy to allow most of your RAM to be used, and how much RAM you do have even if it's "tens of gigabytes". | |
| Feb 22, 2021 at 0:05 | history | asked | Michael | CC BY-SA 4.0 |