# US 2014/0192151 A1 · Indication of presence of texture and depth views in tracks for multiview coding plus depth > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0192151 A1 - Document ID: US20140192151A1 - Status: Published application - Kind: A1 - Application number: 14/137,063 - Filed: 2013-12-20 - Published: 2014-07-10 - Earliest claimed: 2013-01-04 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Ye-Kui Wang; Ying Chen - Web page: https://patentgrep.com/patent/US20140192151A1 ## CPC - H04N 13/161: Encoding, multiplexing or demultiplexing different image signal components (for multi-view video sequence encoding H04N19/597) - H04N 5/76: Television signal recording - H04N 5/919: by dividing samples or signal segments, e.g. television lines, among a plurality of recording channels - H04N 9/8042: {involving data reduction} - H04N 9/8205: {involving the multiplexing of an additional signal and the colour video signal} - H04N 19/44: Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder - H04N 19/46: Embedding additional information in the video signal during the compression process (H04N19/517, H04N19/68, H04N19/70 take precedence) - H04N 19/597: specially adapted for multi-view video sequence encoding - H04N 19/70: characterised by syntax aspects related to video coding, e.g. related to compression standards - H04N 5/765: Interface circuits between an apparatus for recording and another apparatus - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract Techniques for encapsulating video streams containing multiple coded views in a media file are described herein. In one example, a method includes parsing a track of video data, wherein the track includes one or more views. The method further includes parsing information to determine whether the track includes only texture views, only depth views, or both texture and depth views. Another example method includes composing a track of video data, wherein the track includes one or more views and composing information that indicates whether the track includes only texture views, only depth views, or both texture and depth views. ## Claims ### Claim 1 A method of processing video data, the method comprising: parsing a track of video data, wherein the track includes one or more views; and parsing information to determine whether the track includes only texture views, only depth views, or both texture and depth views. ### Claim 2 (depends on 1) The method of claim 1, wherein parsing information further comprises parsing a view identifier box from at least one of a sample entry and a multi-view group entry, wherein the at least one of the sample entry and the multi-view group entry are associated with the track. ### Claim 3 (depends on 2) The method of claim 2, wherein parsing information further comprises determining from the view identifier box, for each view included in the track, whether the view is a texture view or a depth view. ### Claim 4 (depends on 2) The method of claim 2, wherein parsing information further comprises determining from the view identifier box whether a texture view or a depth view of a reference view is required for decoding a specific view in the track. ### Claim 5 (depends on 1) The method of claim 1, wherein the video data comprises a first video data that includes a first texture view and a first depth view, the method further comprising: parsing second video data based on the first video data, wherein parsing information comprises parsing information to determine whether the first texture view, the first depth view, or both the first texture and first depth view of the first video data are used to decode the second video data. ### Claim 6 (depends on 1) The method of claim 1, further comprising: parsing a supplemental enhancement information (SEI) message box to determine a three dimensional scalability information SEI message associated with one or more of the views. ### Claim 7 (depends on 1) The method of claim 1, wherein the track contains one or more depth views, the method further comprising: parsing a 3VC Depth Resolution box to determine a spatial resolution of the one or more depth views. ### Claim 8 (depends on 1) The method of claim 1, further comprising: parsing a three-dimensional video coding (3VC) decoder configuration record to determine a width and a height of a depth view included in the track. ### Claim 9 (depends on 1) The method of claim 1, wherein the track is a first track, wherein the first track includes one of a depth view of a view and a texture view of the view, further comprising: parsing a second track of video data, wherein the second track includes the one of the depth view of the view and the texture view of the view that is not included in the first track. ### Claim 10 (depends on 9) The method of claim 9, further comprising: parsing a track reference for the first track that references the second track, wherein the track reference includes at least one track reference type that indicates one of that the first track includes the depth view that is associated with the texture view stored in the second track, that the first track depends on the texture view stored in the second track, and that the first track depends on a depth view stored in the second track. ### Claim 11 (depends on 1) The method of claim 1, wherein the track is a three-dimensional video coding (3VC) track, the method further comprising: parsing a 3VC decoder configuration record, wherein the 3VC decoder configuration record indicates a configuration record for a matching sample entry of the video data. ### Claim 12 (depends on 1) The method of claim 1, wherein the track is three-dimensional video coding (3VC) track that includes one or more depth network abstraction layer (NAL) units, wherein parsing the track further comprises parsing at least one of a sample entry type ‘3vc1’ that allows extractors and a sample entry type ‘3vc2’ that disallows extractors. ### Claim 13 A device for processing video data comprising: a memory configured to store video data; and one or more processors configured to: parse a track of video data, wherein the track includes one or more views; and parse information to determine whether the track includes only texture views, only depth views, or both texture and depth views. ### Claim 14 (depends on 13) The device of claim 13, wherein parse information further comprises at least one of: parse a view identifier box from at least one of a sample entry and a multi-view group entry, wherein the at least one of the sample entry and the multi-view group entry are associated with the track, determine, from the view identifier box and for each view included in the track, whether the view is a texture view or a depth view, and determine, from the view identifier box, whether a texture view or a depth view of a reference view is required for decoding a specific view in the track. ### Claim 15 (depends on 13) The device of claim 13, wherein the video data comprises a first video data that includes a first texture view and a first depth view, the one or more processors further configured to: parse second video data based on the first video data, wherein parse information comprises parse information to determine whether the first texture view, the first depth view, or both the first texture and first depth view of the first video data are used to decode the second video data. ### Claim 16 (depends on 13) The device of claim 13, the one or more processors further configured to: parse a supplemental enhancement information (SEI) message box to determine a three dimensional scalability information SEI message associated with one or more of the views. ### Claim 17 (depends on 13) The device of claim 13, wherein the track contains one or more depth views, the one or more processors further configured to: parse a 3VC Depth Resolution box to determine a spatial resolution of the one or more depth views. ### Claim 18 (depends on 13) The device of claim 13, the one or more processors further configured to: parse a three-dimensional video coding (3VC) decoder configuration record to determine a width and a height of a depth view included in the track. ### Claim 19 (depends on 13) The device of claim 13, wherein the track is a first track, wherein the first track includes one of a depth view of a view and a texture view of the view, the one or more processors further configured to: parse a second track of video data, wherein the second track includes the one of the depth view of the view and the texture view of the view that is not included in the first track; and parse a track reference for the first track that references the second track, wherein the track reference includes at least one track reference type that indicates one of that the first track includes the depth view that is associated with the texture view stored in the second track, that the first track depends on the texture view stored in the second track, and that the first track depends on a depth view stored in the second track. ### Claim 20 (depends on 13) The device of claim 13, wherein the track is a three-dimensional video coding (3VC) track, the one or more processors further configured to: parse a 3VC decoder configuration record, wherein the 3VC decoder configuration record indicates a configuration record for a matching sample entry of the video data. ### Claim 21 (depends on 13) The device of claim 13, wherein the track is three-dimensional video coding (3VC) track that includes one or more depth network abstraction layer (NAL) units, wherein parse the track further comprises parsing at least one of a sample entry type ‘3vc1’ that allows extractors and a sample entry type ‘3vc2’ that disallows extractors. ### Claim 22 A non-transitory computer-readable storage medium having instructions stored thereon that upon execution cause one or more processors of a video coding device to: parse a track of video data, wherein the track includes one or more views; and parse information to determine whether the track includes only texture views, only depth views, or both texture and depth views. ### Claim 23 (depends on 22) The non-transitory computer-readable storage medium of claim 22, wherein parse information further comprises parse a view identifier box from at least one of a sample entry and a multi-view group entry, wherein the at least one of the sample entry and the multi-view group entry are associated with the track. ### Claim 24 (depends on 23) The non-transitory computer-readable storage medium of claim 23, wherein parse information further comprises at least one of: determine from the view identifier box, for each view included in the track, whether the view is a texture view or a depth view, and determine from the view identifier box whether a texture view or a depth view of a reference view is required for decoding a specific view in the track. ### Claim 25 An apparatus configured to parse a video file including coded video content, the apparatus comprising: means for parsing a track of video data, wherein the track includes one or more views; and means for parsing information to determine whether the track includes only texture views, only depth views, or both texture and depth views. ### Claim 26 (depends on 25) The apparatus of claim 25, wherein means for parsing information further comprises means for parsing a view identifier box from at least one of a sample entry and a multi-view group entry, wherein the at least one of the sample entry and the multi-view group entry are associated with the track. ### Claim 27 (depends on 26) The apparatus of claim 26, wherein means for parsing information further comprises at least one of: means for determining from the view identifier box, for each view included in the track, whether the view is a texture view or a depth view; and means for determining from the view identifier box whether a texture view or a depth view of a reference view is required for decoding a specific view in the track. ### Claim 28 A method of processing video data, the method comprising: composing a track of video data, wherein the track includes one or more views; and composing information that indicates whether the track includes only texture views, only depth views, or both texture and depth views. ### Claim 29 (depends on 28) The method of claim 28, wherein composing information further comprises composing a view identifier box in at least one of a sample entry and a multi-view group entry, wherein the at least one of the sample entry and the multi-view group entry are associated with the track. ### Claim 30 (depends on 29) The method of claim 29, wherein composing information further comprises indicating in the view identifier box, for each view included in the track, whether the view is a texture view or a depth view. ### Claim 31 (depends on 29) The method of claim 29, wherein the view identifier box indicates whether a texture view or a depth view of a reference view is required for decoding a specific view in the track. ### Claim 32 (depends on 28) The method of claim 28, wherein the video data comprises a first video data that includes a first texture view and a first depth view, the method further comprising: composing second video data based on the first video data, wherein composing information comprises composing information that indicates whether the first texture view, the first depth view, or both the first texture and first depth view of the first video data are used to parse the second video data. ### Claim 33 (depends on 28) The method of claim 28, further comprising: composing a supplemental enhancement information (SEI) message box that includes a three dimensional scalability information SEI message associated with one or more views. ### Claim 34 (depends on 28) The method of claim 28, wherein the track contains one or more depth views, the method further comprising: composing information that indicates a spatial resolution of the one or more depth views in a 3VC Depth Resolution box. ### Claim 35 (depends on 28) The method of claim 28, further comprising: composing a three-dimensional video coding (3VC) decoder configuration record, wherein the 3VC decoder configuration record indicates a width and a height of a depth view included in the track. ### Claim 36 (depends on 28) The method of claim 28, wherein the track is a first track, wherein the first track includes one of a depth view of a view and a texture view of the view, further comprising: composing a second track of video data, wherein the second track includes the one of the depth view of the view and the texture view of the view that is not included in the first track. ### Claim 37 (depends on 36) The method of claim 36, further comprising: composing a track reference for the first track that references the second track, wherein the track reference includes at least one track reference type that indicates one of that the first track includes the depth view that is associated with the texture view stored in the second track, that the first track depends on the texture view stored in the second track, and that the first track depends on a depth view stored in the second track. ### Claim 38 (depends on 28) The method of claim 28, wherein the track is a three-dimensional video coding (3VC) track, the method further comprising: composing a 3VC decoder configuration record, wherein the 3VC decoder configuration record indicates a configuration record for a matching sample entry of the video data. ### Claim 39 (depends on 28) The method of claim 28, wherein the track is three-dimensional video coding (3VC) track that includes one or more depth network abstraction layer (NAL) units, wherein composing the track further comprises composing at least one of a sample entry type ‘3vc1’ that allows extractors and a sample entry type ‘3vc2’ that disallows extractors. ### Claim 40 A device for processing video data comprising: a memory configured to store video data; and one or more processors configured to: compose a track of video data, wherein the track includes one or more views; and compose information that indicates whether the track includes only texture views, only depth views, or both texture and depth views. ### Claim 41 (depends on 40) The device of claim 40, wherein compose information further comprises compose a view identifier box in at least one of a sample entry and a multi-view group entry, wherein the at least one of the sample entry and the multi-view group entry are associated with the track. ### Claim 42 (depends on 41) The device of claim 41, wherein compose information further comprises indicate in the view identifier box, for each view included in the track, whether the view is a texture view or a depth view. ### Claim 43 (depends on 41) The device of claim 41, wherein the view identifier box indicates whether a texture view or a depth view of a reference view is required for decoding a specific view in the track. ### Claim 44 (depends on 40) The device of claim 40, wherein the video data comprises a first video data that includes a first texture view and a first depth view, the device further configured to: compose second video data based on the first video data, wherein compose information comprises compose information that indicates whether the first texture view, the first depth view, or both the first texture and first depth view of the first video data are used to parse the second video data. ### Claim 45 (depends on 40) The device of claim 40, the device further configured to: compose a supplemental enhancement information (SEI) message box that includes a three dimensional scalability information SEI message associated with one or more views. ### Claim 46 (depends on 40) The device of claim 40, wherein the track contains one or more depth views, the device further configured to: compose information that indicates a spatial resolution of the one or more depth views in a 3VC Depth Resolution box. ### Claim 47 (depends on 40) The device of claim 40, wherein the track is a first track, wherein the first track includes one of a depth view of a view and a texture view of the view, the device further configured to: compose a second track of video data, wherein the second track includes the one of the depth view of the view and the texture view of the view that is not included in the first track; and compose a track reference for the first track that references the second track, wherein the track reference includes at least one track reference type that indicates one of that the first track includes the depth view that is associated with the texture view stored in the second track, that the first track depends on the texture view stored in the second track, and that the first track depends on a depth view stored in the second track. ### Claim 48 (depends on 40) The device of claim 40, wherein the track is a three-dimensional video coding (3VC) track, the device further configured to: compose a 3VC decoder configuration record, wherein the 3VC decoder configuration record indicates a configuration record for a matching sample entry of the video data, wherein compose the track further comprises composing at least one of a sample entry type ‘3vc1’ that allows extractors and a sample entry type ‘3vc2’ that disallows extractors. ### Claim 49 A non-transitory computer-readable storage medium having instructions stored thereon that upon execution cause one or more processors of a video coding device to: compose a track of video data, wherein the track includes one or more views; and compose information that indicates whether the track includes only texture views, only depth views, or both texture and depth views. ### Claim 50 An apparatus configured to compose a video file, the apparatus comprising: means for composing a track of video data, wherein the track includes one or more views; and means for composing information that indicates whether the track includes only texture views, only depth views, or both texture and depth views.