In the previous sections, we have considered how to work with videos stored in video files or captured by cameras. Here we will consider working with the third source of video – image sequences.
ofVideoPlayer for drawing movies is not appropriate. Two main cases are:
- You need to render a big amount of movies on one screen simultaneously. For example, in a 2D computer arcade game, there can be about 100 moving characters and objects. You can play about 10 different video files in openFrameworks simultaneously, but 100 is too much for it; so some other solution is needed.
- You need to draw many layers of videos using alpha channel. But at the time of writing this, openFrameworks does not support videos with alpha ...