Thanks for your quick response.
You set me on the right path as well.
Possible solution (I might have forgotten a step):
- Render your movie to images (targa/jpg)
- Open a new blender file to use to generate the movie
- Go to video sequence editor
- Select “Add->Images”
- Select all the images created by your movie (you can shift+left-click and drag to speed things up)
- Place it at frame 1
- In the output->format panel, set your output to avi codec (or whatever movie format you want)
- In anim panel, click on the Do Sequence button so that it is enabled
- Set the end value in the same panel to match that of your movie
- Hit Anim button to create movie, this should now be significantly faster than rendering the whole thing from scratch.
- Save this blender file
If you now need to change a few frames, do so in the original blender file, render just those frames to images by setting start end in the anim panel. Open the blender file created above and hit anim to create new movie.
An edited version of this could maybe be included in the manual as a tip or howto item?