First download and expand the transcoded video files
The transcoded video files are not included in this repository.
Download the zip file containing the transcoded video files and expand it in the working directory created when this repository is cloned.
This will create a folder named video with the following two folders
video/ |-- mp4-480x270-500k `-- webm-480x270-500k
147 low resolution 480x270 video files in mp4 and webm formats are contained in each directory.