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