GIMP Version: 2.8.14
Operating System: Windows
GIMP Experience: New User

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I have a long vídeo (around 2000 layers/frames), but when uploading it into Gimp, I have selected to upload only from the layer/frame 46 to 1560.

I have edited and blurred some columns that I need and then to extract it as an video in avi format I go to Video - Master Videoencoder - (and most of the times it stays in "not responding").
Or when I'm able to encode and save it as a vídeo, it saves a huge vídeo (30 minutes), with 90% in black screen and 10% of my actual vídeo (when I'm needing to extract 100% of the actual vídeo). I believe is related to the Plug-ins?

I'm going nuts with this, because my boss as asked me to perform this task and is long overdue
Please help!

What am I doing wrong??

In attachment is one of the errors I'm receiving.

Thanks in advance

Been looking at your posts with interest. GAP as a plugin is ancient and the included version of ffmpeg will be equally old. I do not use GAP so no comment on that version as the ffmpeg syntax has changed since then

My tuppenceworth.

NTSC is usually associated with DVD mpeg2 to play on a TV and a frame rate of 1 is not correct. More usually NTSC = 29.37 fps.

A frame rate of 1 is not a video, it is a slide show. 1514 frames @ 1 fps = 25 minutes

The 'avi' in a video is just a 'wrapper' and can use different codecs and formats divx, xvid, h263 ...

Does that parameters button give the command line passed to ffmpeg. Can you post it?

FWIW in linux, I might create a video from a folder full of ordered images using this.



but I would not expect a beginner to delve into that.

Can you put the whole thing on dropbox and better advice might be available.

Thanks, rich2005.

I was not able to understand much of what you have written (my fault, as I'm a beginner).
I saw on a tutorial this would be the way but is not working.
My mission:
I have a vídeo 3min and need to blur some columns (diferente ones as we go along the vídeo)
I have used GIMP to split it into frames and frame by frame I go blurring the needed columns (huge time consuming)
Then I need to export as a vídeo again, already with the blurred areas created.

I'm able to extract the vídeo, but or:
- it doesn't start where I want it to start
- if comes out with a black screen 90% of it's length

My apologies for so stupid questions, but I'm really on a tight spot.
Unfortunately I'm not able to share the vídeo.
Thank you for your help and hopefully you will be able to guide me further

Not easy for a beginner to video editing.

With your layers edited in GIMP

I normally use linux but this should work in Windows.

1. You need all those layers as individual files in a folder. If you need a suitable plugin, this one works, anitools.py
http://registry.gimp.org/node/25029 download, remove the .txt if it is there. It is a python plugin.

2. An ancient little windows executable. makeavi.exe https://sourceforge.net/projects/makeavi/files/
Unzip and you need the 2 files makeavi.exe and FreeImage.dll

Tried it in Win10 (VM) and it works there. screenshot: http://imgur.com/XSXSbbh
Use the old Cinepak codec, that seems to work ok. Otherwise use uncompressed but you will end up with a 2GB file.

3. To get it down to a modern format and a reasonable file size use AviDemux and re-encode. I advise using Xvid format, as a best 'universal' option. When saving remember to add the .avi filename suffix. screenshot: http://imgur.com/VB2yjuo

Want to speed the video up, make the framerate (fps) greater, slower make less ( but not too small I would say 10 minimum).
video duration (seconds) = number of frames / fps

ugh: 1500-ish frames / 3 minutes = 8 fps. do not expect an Oscar

Thank you so much!

Finally I was able to export the video and it looks great!!!
It's a 50Mb, but I'll compress it the way you have advised me to.

Now, off to use the remaining tools you have advised!

Thanks!!!