VTT Thumbnail Parameters

VTT Thumbnails are utilized by some manifest players to provide timeline previews throughout a piece of content.

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Note

vtt_thumbnail options are available only for advanced_dash output.

ParameterDescriptionAllowed ValuesDefalt Value
interval
Specify the time interval between images in seconds or percentage of time passed.N ā€“ Positive float number greater than 0.01

N%ā€“ Positive float number
11
width Specify the image width.Non-negative integer.160
height Specify the image height.Non-negative integer.None
max_columns Specify the number of columns per tile.Non-negative integer.None
max_rows Specify the number of rows per tile.Non-negative integer.None