Transmission apparatus, transmission method, reception apparatus, and reception method

A transmission method comprising:

• generating, using processing circuitry, metadata of content, the metadata being described using an attribute and an attribute value and including signaling information indicating that a video is a thumbnail video suitable for constituting a mosaic screen, and the attribute indicating information to refer to a file including information to receive content supplied by a service, wherein the information to receive the content supplied by the service includes an IP address and a port number of multicast;
• and
• distributing the metadata, wherein
• the signaling information includes information indicating the content is to be distributed by a distribution method of multicast,
• the information indicating the content is to be distributed by the distribution method of multicast includes an attribute indicating whether the content is the thumbnail video,
• the metadata includes a user service description (USD) of a multimedia broadcast multicast service (MBMS), and
• the USD includes, as a part of the signaling information, a broadcast
• element indicating that the content supplied by the service is the thumbnail video.

A reception apparatus comprising:

• reception circuitry configured to receive metadata of content, the metadata being described using an attribute and an attribute value and including signaling information indicating that a video is a thumbnail video suitable for constituting a mosaic screen, and the attribute indicating information to refer to a file including information to receive content supplied by a service, wherein the information to receive the content supplied by the service includes an IP address and a port number of multicast;
• and
• processing circuitry configured to process the received metadata, wherein the signaling information includes information indicating the content is to be distributed by a distribution method of multicast,
• the information indicating the content is to be distributed by the distribution method of multicast includes an attribute indicating whether the content is the thumbnail video,
• the metadata includes a user service description (USD) of a multimedia broadcast multicast service (MBMS), and
• the USD includes, as a part of the signaling information, a broadcast
• element indicating that the content supplied by the service is the thumbnail video.

A reception method comprising:

• receiving metadata of content, the metadata being metadata to be described using an attribute and an attribute value and including signaling information indicating that a video is a thumbnail video suitable for constituting a mosaic screen, and the attribute indicating information to refer to a file including information to receive content supplied by a service, wherein the information to receive the content supplied by the service includes an IP address and a port number of multicast;
• and
• processing, using processing circuitry, the received metadata, wherein
• the signaling information includes information indicating the content is to be distributed by a distribution method of multicast,
• the information indicating the content is to be distributed by the distribution method of multicast includes an attribute indicating whether the content is the thumbnail video,
• the metadata includes a user service description (USD) of a multimedia broadcast multicast service (MBMS), and
• the USD includes, as a part of the signaling information, a broadcast
• element indicating that the content supplied by the service is the thumbnail video.

A transmission apparatus comprising:

• processing circuitry configured to generate metadata of content, the metadata being described using an attribute and an attribute value and including signaling information indicating that a video is a thumbnail video suitable for constituting a mosaic screen, and information to refer to a file, wherein the metadata further includes service information on a service and access information which refers to the service information to access a service;
• and
• distribution circuitry configured to distribute the metadata, wherein
• the signaling information includes information indicating the content is to be distributed by a distribution method of multicast,
• the information indicating the content is to be distributed by the distribution method of multicast includes an attribute indicating whether the content is the thumbnail video,
• the metadata includes a user service description (USD) of a multimedia broadcast multicast service (MBMS), the file is a session description protocol (SDP) file, and
• the USD includes, as a part of the signaling information, a broadcast element indicating that the content supplied by the service is the thumbnail video.

A transmission method comprising:

• generating, using processing circuitry, metadata of content, the metadata being metadata to be described using an attribute and an attribute value and including signaling information indicating that a video is a thumbnail video suitable for constituting a mosaic screen, and information to refer to a file, wherein the metadata further includes service information on a service and access information which refers to the service information to access a service;
• and
• distributing the metadata, wherein
• the signaling information includes information indicating the content is to be distributed by a distribution method of multicast,
• the information indicating the content is to be distributed by the distribution method of multicast includes an attribute indicating whether the content is the thumbnail video,
• the metadata includes a user service description (USD) of a multimedia broadcast multicast service (MBMS), the file is a session description protocol (SDP) file, and
• the USD includes, as a part of the signaling information, a broadcast
• element indicating that the content supplied by the service is the thumbnail video.

A reception apparatus comprising:

• reception circuitry configured to receive metadata of content, the metadata being described using an attribute and an attribute value and including signaling information indicating that a video is a thumbnail video suitable for constituting a mosaic screen, and information to refer to a file, wherein the metadata further includes service information on a service and access information which refers to the service information to access a service;
• and
• processing circuitry configured to process the received metadata, wherein the signaling information includes information indicating the content is to be distributed by a distribution method of multicast,
• the information indicating the content is to be distributed by the distribution method of multicast includes an attribute indicating whether the content is the thumbnail video,
• the metadata includes a user service description (USD) of a multimedia broadcast multicast service (MBMS), the file is a session description protocol (SDP) file, and
• the USD includes, as a part of the signaling information, a broadcast
• element indicating that the content supplied by the service is the thumbnail video.

A reception method comprising:

• receiving metadata of content, the metadata being described using an attribute and an attribute value and including signaling information indicating that a video is a thumbnail video suitable for constituting a mosaic screen, and information to refer to a file, wherein the metadata further includes service information on a service and access information which refers to the service information to access a service;
• and
• processing, using processing circuitry, the received metadata, wherein
• the signaling information includes information indicating the content is to be distributed by a distribution method of multicast,
• the information indicating the content is to be distributed by the distribution method of multicast includes an attribute indicating whether the content is the thumbnail video,
• the metadata includes a user service description (USD) of a multimedia broadcast multicast service (MBMS), the file is a session description protocol (SDP) file, and
• the USD includes, as a part of the signaling information, a broadcast
• element indicating that the content supplied by the service is the thumbnail video.