Andreas

This also fixes a bug in the frame_subsampler.py were a wrong modality was selected when the downsampling method is set to `keyframe`

Seems to be related to #263

Just for testing I have added ```python self.encode_formats = {'video': encode_format} ``` to the `FrameSubsampler.__init__` method. The original problem seems to be solved but now I am getting this error:...

Hi, I encountered an issue and I'm not sure whether it's the result of changes in newer bokeh versions (only those between 0.8.2 and 0.9 are mentioned above) or a...

OK, thanks for your quick response! I will look through the official docs. Would be happy about a remake. :+1: