Support specifying fill behavior in frame_stacking #287
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Add an option to allow for different frame_stacking behavior at the start of an episode. Some original implementations of RL agents uses a different frame-stacking behavior at the start of the episode (repeat the first observation rather than zero pad). Add an option to support that. Keep the default to be the same zero-padding behavior to not break existing usage.
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Add an option to allow for different frame_stacking behavior at the start of an episode.
Some original implementations of RL agents uses
a different frame-stacking behavior at the start
of the episode (repeat the first observation rather than zero pad). Add an option to support that.
Keep the default to be the same zero-padding behavior to not break existing usage.