Rendering a timeline creates a new physical file from one or more source files. The timeline is stored as VidiCore item sequence and describes in detail how the source file(s) shall be combined into the destination file.
Rendering timelines usually is done in the context of a product, e.g. VidiEditor. The following workflow describes how VidiEditor is rendering its timelines and can serve as a blueprint for initiating the rendering process directly on the VidiCore API.
To render a timeline via VidiCore follow these steps:
Create a placeholder item – see Import A File Into A New Item [ENT 21.4 IG] .
Attach a sequence to the item:
PUT /API/item/<itemId>/sequence/vidispine <SequenceDocument xmlns='http://xml.vidispine.com/schema/vidispine'> [...]
Render the sequence:
When rendering the sequence it is important to specify the desired
destinationShapeTag not only in the
tag parameter (which defines the transcoding profile to use) but also in the
original parameter. Technical fields like
originalVideoCodec etc. are only set at the item when the item gets an
original shape. To achieve this for a render job you need to specify the additional query parameter
original and supply the same shape tag as for the
V3_ExpectedMediaType (string) on item-level should be set to
video so that the MediaPortal connector can identify these items as videos even if they don’t have a continuous hires shape, yet.