Your Setup:

• Olive version: Olive (April 2019 | Alpha | 1e3cf533)
• Source: website
• Operating system: Windows 10 Pro 64-bit
• CPU: Intel Core i5-4278U
• RAM: 16GB
• GPU: Intel Iris Graphics 5100

Describe the Bug
Deleting a single keyframe requires to disable and then enale again keyframes.

To Reproduce
Steps to reproduce the behavior:

1. Start Olive and import a Video

Shotcut 19.09.14
Shotcut 19.10.10
Shotcut 19.10.20
Change speed of clip.
Change it again to 1,0.
Size of clip is not the same as should be. Sometimes it's bigger, sometimes it's smaller.

![2019-10-22 0001+](https://user-images.githubusercontent.com/27248144/67301003-7fd

The func value set of type:fabric customFabricFrameSource does not recieve any parameters. For example, you cannot pass a text to https://github.com/mifi/editly/blob/master/examples/customFabric.js.

Following patch can fix it.

diff --git a/sources/fabricFrameSource.js b/sources/fabricFrameSource.js
index 74b8299..c88238c 100644
--- a/sources/fabricFrameSource.js
+++ b/sources/fab

The title is fairly self-explanatory. Most applications have "Ctrl + Q" linked to the 'quit' action. I realise that "Alt + F4" does the job, but this is a bit more cumbersome.

A layer duration of undefined should result in whatever its movie's duration is currently