Method and apparatus for encoding and decoding 3D video content

An apparatus comprising one or more processors configured to perform at least:

• encoding at least one set of 3D video components of a 3D video format in a layer-based structured bitstream,
• wherein each of the 3D video components is assigned to one layer of the layer-based structured bitstream, at least one layer of the layer-based structured bitstream being coded using one or more other layers as a reference;
• arranging the 3D video components of the at least one set of 3D video components in the layer-based structured bitstream in an order;
• and
• encoding of signaling information of the layer-based structured bitstream, the signaling information indicating the order,
• wherein the signaling information comprises a first syntax element indicating the 3D video format among at least:
• a first 3D video format wherein the 3D video components of the first 3D video format comprise the 2D video and corresponding depth components, and
• a second 3D video format wherein the 3D video components of the second 3D video format comprise the 2D video, corresponding depth components, 2D occlusion video component and corresponding depth occlusion video component,
• wherein the 3D video components of the at least one set of 3D video components are arranged in the layer-based structured bitstream:
• in a first order when the 3D video components of the set are in the first 3D video format, and
• in a second order when the 3D video components of the set are in the second 3D video format.

A method comprising:

• accessing a layer-based structured bitstream, the layer-based structured bitstream including at least one set of 3D video components of a 3D video format, each of the 3D video components being assigned to one layer of the layer-based structured bitstream, at least one layer of the layer-based structured bitstream being coded using one or more other layers as a reference;
• accessing signaling information of the layer-based structured bitstream, the signaling information indicating an order in which the 3D video components of the at least one set of 3D video components are arranged in the layer-based structured bitstream,
• wherein the signaling information comprises a first syntax element indicating the 3D video format among at least:
• a first 3D video format wherein the 3D video components of the first 3D video format comprise the 2D video and corresponding depth components, and
• a second 3D video format wherein the 3D video components of the second 3D video format comprise the 2D video, corresponding depth components, 2D occlusion video component and corresponding depth occlusion video component,
• wherein the 3D video components of the at least one set of 3D video components are arranged in the layer-based structured bitstream:
• in a first order when the 3D video components of the set are in the first 3D video format, and
• in a second order when the 3D video components of the set are in the second 3D video format;
• and
• decoding the at least one set of 3D video components using the signaling information.

An apparatus comprising one or more processors configured to perform at least:

• accessing a layer-based structured bitstream, the layer-based structured bitstream including at least one set of 3D video components of a 3D video format, each of the 3D video components being assigned to one layer of the layer-based structured bitstream, at least one layer of the layer- based structured bitstream being coded using one or more other layers as a reference;
• accessing signaling information of the layer-based structured bitstream, the signaling information indicating an order in which the 3D video components of the at least one set of 3D video components are arranged in the layer-based structured bitstream,
• wherein the signaling information comprises a first syntax element indicating the 3D video format among at least:
• a first 3D video format wherein the 3D video components of the first 3D video format comprise the 2D video and corresponding depth components, and
• a second 3D video format wherein the 3D video components of the second 3D video format comprise the 2D video, corresponding depth components, 2D occlusion video component and corresponding depth occlusion video component,
• wherein the 3D video components of the at least one set of 3D video components are arranged in the layer-based structured bitstream:
• in a first order when the 3D video components of the set are in the first 3D video format, and
• in a second order when the 3D video components of the set are in the second 3D video format;
• and
• decoding the at least one set of 3D video components using the signaling information.

A non-transitory processor-readable medium having stored thereon instructions operative, when executed by a processor, to cause the a processor to:

• access a layer-based structured bitstream, the layer-based structured bitstream including at least one set of 3D video components of a 3D video format, each of the 3D video components being assigned to one layer of the layer-based structured bitstream, at least one layer of the layer-based structured bitstream being coded using one or more other layers as a reference;
• access signaling information of the layer-based structured bitstream, the signaling information indicating an order in which the 3D video components of the at least one set of 3D video components are arranged in the bitstream,
• wherein the signaling information comprising a first syntax element indicating the 3D video format among at least:
• a first 3D video format wherein the 3D video components of the first 3D video format comprise the 2D video and corresponding depth components, and
• a second 3D video format wherein the 3D video components of the second 3D video format comprise the 2D video, corresponding depth components, 2D occlusion video component and corresponding depth occlusion video component,
• wherein the 3D video components of the at least one set of 3D video components are arranged in the layer-based structured bitstream:
• in a first order when the 3D video components of the set are in the first 3D video format, and
• in a second order when the 3D video components of the set are in the second 3D video format;
• and
• decode the at least one set of 3D video components using the signaling information.

A non-transitory processor-readable medium having stored thereon a video signal structure, the video signal comprising a signaling section including signaling information indicating an order in which 3D video components of at least one set of 3D video components of a 3D video format are arranged in a layer-based structured bitstream,

• wherein the signaling information comprises a first syntax element indicating the 3D video format among at least:
• a first 3D video format wherein the 3D video components of the first 3D video format comprise the 2D video and corresponding depth components, and
• a second 3D video format wherein the 3D video components of the second 3D video format comprise the 2D video, corresponding depth components, 2D occlusion video component and corresponding depth occlusion video component,
• wherein the 3D video components of the at least one set of 3D video components are arranged in the layer-based structured bitstream:
• in a first order when the 3D video components of the set are in the first 3D video format, and
• in a second order when the 3D video components of the set are in the second 3D video format, each of the 3D video components being assigned to one layer of the layer-based structured bitstream, one or more layers being capable of being used as a reference for at least one other layer to exploit redundancy there between.