US 12,407,863 B2
Merging friendly file format
Yago Sanchez, Berlin (DE); Dimitri Podborski, Berlin (DE); Karsten Grüneberg, Berlin (DE); Cornelius Hellge, Berlin (DE); Thomas Schierl, Berlin (DE); Robert Skupin, Berlin (DE); and Thomas Wiegand, Berlin (DE)
Assigned to Fraunhofer-Gesellschaft zur Forderung der Angewandlen Forschung EV, Munich (DE)
Appl. No. 17/763,260
Filed by FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V., Munich (DE)
PCT Filed Sep. 28, 2020, PCT No. PCT/EP2020/077035
§ 371(c)(1), (2) Date Mar. 24, 2022,
PCT Pub. No. WO2021/058814, PCT Pub. Date Apr. 1, 2021.
Claims priority of application No. 19200237 (EP), filed on Sep. 27, 2019.
Prior Publication US 2022/0345746 A1, Oct. 27, 2022
Int. Cl. H04N 19/70 (2014.01); H04N 19/167 (2014.01); H04N 19/169 (2014.01); H04N 19/174 (2014.01); H04N 19/33 (2014.01); H04N 19/597 (2014.01); H04N 21/854 (2011.01)
CPC H04N 19/70 (2014.11) [H04N 19/167 (2014.11); H04N 19/174 (2014.11); H04N 19/188 (2014.11); H04N 19/33 (2014.11); H04N 19/597 (2014.11); H04N 21/85406 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A method for creating video data for deriving a spatial subset therefrom, wherein the video data is formatted in a file format and comprises:
a set of two or more source tracks, each of which comprises coded video data representing a spatial subset of a video-;
wherein the set of two or more source tracks comprises groups of source tracks and the formatted video data further comprises one or more group indicators for indicating source tracks belonging to a respective group of source tracks and one or more active source track indicators for indicating a number of two or more active source tracks in a group of source tracks;
wherein the formatted video data further comprises one or more group bundle indicators for indicating that two or more groups of source tracks are bundled together;
wherein the formatted video data further comprises a level indicator for indicating a coding level of a group of source tracks or of a bundle of two or more groups of source tracks when the indicated number of active source tracks is played jointly; and
wherein the method comprises the steps of:
determining the groups of source tracks and the number of two or more active source tracks in a group, creating the one or more group indicators and the one or more active source track indicators, and writing them to the formatted video data;
determining the two or more groups of source tracks that are bundled together, creating the one or more bundle indicators and writing them to the formatted video data; and
determining the group of source tracks or the bundle of two or more groups of source tracks, creating the level indicator and writing it to the formatted video data.