Patent ID: 11917220
Assignee: FRAUNHOFER GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 40:
41. Non-transitory digital storage medium having stored thereon video data conceptualized for streaming a spatially variable section of a scene to a client, the video data being formatted in a file format and comprising
a set of one or more source tracks, each source track being associated with a respective one of tiles into which pictures of a video which capture the scene entirely are spatially subdivided, wherein the source tracks have distributed thereinto slices of a video data stream into which the pictures of the video are coded and within each picture tiles within the respective picture are coded independent from each other and
a set of one or more gathering tracks, each set of which is associated with a respective one of a plurality of positions of the section formed by a corresponding subset of the tiles and comprising construction instructions indicating a synthesis of a section-specific video data stream into which pictures showing the scene's section at the respective position are coded on the basis of the one or more source tracks,, wherein the construction instructions comprise
a copying instruction
comprising
a further constructor tag,
an index to a reference track of the set of one or more source tracks,
an indicator of the sample or picture or access unit of the reference track which the copying instruction refers to, and
an indication of a portion to be copied out of the sample or picture or access unit of the reference track by data offset and data length, and

instructing to copy the portion to be copied into the section-specific video data stream.