US 11,750,890 B2
Content delivery system, content delivery apparatus, and method
Yukihiro Sugawara, Kokubunji (JP); and Keita Iwami, Fuchu (JP)
Assigned to KABUSHIKI KAISHA TOSHIBA, Tokyo (JP); and Toshiba Infrastructure Systems & Solutions Corporation, Kawasaki (JP)
Filed by KABUSHIKI KAISHA TOSHIBA, Tokyo (JP); and Toshiba Infrastructure Systems & Solutions Corporation, Kawasaki (JP)
Filed on Jun. 9, 2021, as Appl. No. 17/342,863.
Application 17/342,863 is a continuation of application No. PCT/JP2019/048356, filed on Dec. 10, 2019.
Claims priority of application No. 2018-230690 (JP), filed on Dec. 10, 2018; and application No. 2019-222165 (JP), filed on Dec. 9, 2019.
Prior Publication US 2021/0297750 A1, Sep. 23, 2021
Int. Cl. H04N 21/6405 (2011.01); H04N 21/643 (2011.01); H04N 21/647 (2011.01)
CPC H04N 21/6405 (2013.01) [H04N 21/647 (2013.01); H04N 21/64322 (2013.01)] 7 Claims
OG exemplary drawing
 
1. A content delivery apparatus applied to a content delivery system which delivers content, which is sent from a transmission apparatus, to a reception apparatus by a multicast method via an IP network, the content delivery apparatus comprising:
an analyzer configured to detect a start point or an end point of the content by analyzing auxiliary data included in the content, the auxiliary data including control information of the content; and
a manager configured to control a reception start or a reception end of the content, based on the start point or the end point,
wherein the control information includes a marker bit that indicates boundary information of video data of the content, and further includes at least one of a time stamp that indicates timing information of the content or a frame count that indicates a count value of a frame in the content, and
the analyzer is further configured to detect the start point or the end point of the content based on a combination of the marker bit and the time stamp or based on a combination of the marker bit and the frame count.