- Mainly operate the dst collection
- Support operations on the src collection as well
1.Use button [File] to select a source video file then create a decoded frame collection.
Attention: It can only decode 500 frames at most now.
2.Use button [+] to create an empty collection.

3.Click a collection to set it as a destination collection(dst).
4.Click button [Open in viewer] to set it as a source collection(src).
5.Click [Add to Selected Collection] means add the viewing frame to the [dst] collection.
6.Click [Delete from Viewing Collection] means delete the viewing frame from the [src] collection. (this can only available when [src] == [dst]).
7.Use button [-] delete the collection selected in [Collections] list.
8.Use [DownLoad] to export all the frames in the collection as picture with custom format.

- Mainly Operate the src collection


