* feat(local): support percent for video thumbnail
The percentage determines the point in the video (as a percentage of the total duration) at which the thumbnail will be generated.
* feat(local): support both time and percent for video thumbnail
* refactor(local): avoid duplicate parsing of VideoThumbPos
* feat(local): support percent for video thumbnail
The percentage determines the point in the video (as a percentage of the total duration) at which the thumbnail will be generated.
* feat(local): support both time and percent for video thumbnail