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.

Parameter

Description

Allowed Values

Defalt Value

interval

Specify the time interval between images in seconds or percentage of time passed.

N – Positive float number greater than 0.01

N%– 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