WO2018034172A1 - 情報処理装置、クライアント装置、及び、データ処理方法 - Google Patents
情報処理装置、クライアント装置、及び、データ処理方法 Download PDFInfo
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- WO2018034172A1 WO2018034172A1 PCT/JP2017/028338 JP2017028338W WO2018034172A1 WO 2018034172 A1 WO2018034172 A1 WO 2018034172A1 JP 2017028338 W JP2017028338 W JP 2017028338W WO 2018034172 A1 WO2018034172 A1 WO 2018034172A1
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Definitions
- the present technology relates to an information processing apparatus, a client apparatus, and a data processing method, and in particular, an information processing apparatus, a client apparatus, and an information processing apparatus that are capable of operating a service using broadcasting and communication more flexibly.
- the present invention relates to a data processing method.
- Patent Document 1 In recent years, techniques related to services using communication as well as broadcasting have been proposed for the purpose of enhancing broadcasting services (see, for example, Patent Document 1).
- the present technology has been made in view of such a situation, and is capable of operating a service using broadcasting and communication more flexibly.
- the information processing apparatus is an information processing apparatus including a processing unit that inserts identification information for identifying the identity of the content source in response to a content request.
- the information processing apparatus may be an independent apparatus or may be an internal block constituting one apparatus.
- the data processing method according to the first aspect of the present technology is a data processing method corresponding to the information processing apparatus according to the first aspect of the present technology described above.
- connection with a gateway device that transfers content distributed via broadcasting or communication is processed, and is transmitted from the gateway device via a network.
- the transferred content is reproduced.
- the gateway device has a function as a proxy, and the proxy is provided from the gateway device via the network based on connection information regarding an IP address and a port number on which the proxy waits for a request.
- a connection with is established.
- the gateway device 10 receives the broadcast wave transmitted from the broadcast server 40 via the transmitting station 50, and transmits the content data obtained from the broadcast wave to the client devices 20-1 to 20- connected to the network 30. Send (transfer) to N.
- the gateway device 10 receives data of content transmitted from the communication server 70 via the Internet 80, and transmits (transfers) it to the client devices 20-1 to 20-N connected to the network 30.
- gateway device 10 The detailed configuration of the gateway device 10 will be described later with reference to FIG.
- the client devices 20-2 to 20-N are composed of fixed receivers or mobile receivers used in the home, and via the gateway device 10 via broadcast or communication. Receive and play distributed content.
- the client devices 20-1 to 20-N are simply referred to as the client device 20 when it is not necessary to distinguish them.
- the detailed configuration of the client device 20 will be described later with reference to FIG.
- the communication server 70 is a server provided by, for example, a broadcaster such as a broadcasting station or other operators, and is connected to the Internet 80.
- the gateway device 10 and the client device 20 are arranged in the end user home 2 in the transmission system of FIG. 1, the case where the gateway device 10 and the client device 20 are arranged in the end user home 2 has been described.
- the gateway device 10 is not limited to the end user home 2, for example, a cable It may be installed in an operator's head end, a mobile network base station, or the like so that a wider area can be covered.
- the processing unit 100 includes, for example, a CPU (Central Processing Unit) and a microprocessor.
- the processing unit 100 performs various kinds of arithmetic processing and processing such as operation control of each unit.
- the storage unit 104 includes, for example, a semiconductor memory or a hard disk drive (HDD: Hard Disk Drive).
- the storage unit 104 stores various data according to control from the processing unit 100.
- the UPnP / SSDP server 111 and the proxy application manager 112 are services that operate on the gateway device 10 and perform processing for establishing a connection between the client device 20 connected to the network 30 and the local proxy 113.
- the UPnP / SSDP server 111 can have the function of a web server (local web server).
- the local proxy 113 is a service that operates on the gateway device 10, and transmits a request from the client device 20 connected to the network 30 to the communication server 70 connected to the Internet 80.
- the local proxy 113 receives a content stream from the communication server 70 via the Internet 80 and transmits (transfers) the content stream to the client device 20 connected to the network 30.
- the local proxy 113 performs an extension header insertion process on the request from the client device 20, and details of the process will be described later with reference to FIGS. 17, 18, and 27.
- the SLS processing system 114 performs processing related to SLS (Service Layer Signaling), which is control information acquired via broadcast or communication. Details of the SLS will be described later with reference to FIG. Details of processing performed in the SLS processing system 114 will be described later with reference to FIG.
- SLS Service Layer Signaling
- the gateway device 10 is configured as described above.
- the processing unit 200 includes, for example, a CPU, a microprocessor, and the like.
- the processing unit 200 performs various types of arithmetic processing and processing such as operation control of each unit.
- the communication I / F 201 requests distribution of content to the gateway device 10 connected to the network 30 according to control from the processing unit 200. Also, the communication I / F 201 receives content data transmitted (transferred) from the gateway device 10 via the network 30 and supplies the content data to the processing unit 200.
- the processing unit 200 processes content data supplied from the communication I / F 201, supplies video data to the display unit 202 among the data obtained as a result, and supplies audio data to the speaker 203.
- the display unit 202 includes a display such as an LCD (Liquid Crystal Display) or an OELD (Organic Electroluminescence Display).
- the display unit 202 displays a video corresponding to the video data supplied from the processing unit 200.
- the speaker 203 outputs sound corresponding to the audio data supplied from the processing unit 200.
- an operation signal according to an end user operation on the touch panel is supplied to the processing unit 200, and the processing unit 200 responds to the operation signal.
- an input unit such as a physical button is provided so that an operation signal corresponding to an end user operation on the input unit is supplied to the processing unit 200. Good.
- the processing unit 200 includes an application 211 and a browser 212.
- a renderer function is provided by the application 211 and the browser 212.
- the application 211 performs processing for the client device 20 connected to the network 30 to establish a connection with the local proxy 113 operating in the gateway device 10. Details of processing performed by the application 211 will be described later with reference to FIGS. 17 and 18.
- the browser 212 processes content data supplied from the communication I / F 201 and received by the gateway device 10 via broadcast or communication, and reproduces the content.
- the browser 212 has a function as a DASH player, and details thereof will be described later with reference to FIG. Details of processing performed by the browser 212 will be described later with reference to FIGS. 17, 18, and 27.
- the client device 20 is configured as described above.
- the gateway apparatus 10 plays a role for transferring the data distributed from the server on the transmission side to the client apparatus 20 on the reception side via broadcasting or communication.
- the gateway apparatus 10 plays a role for transferring the data distributed from the server on the transmission side to the client apparatus 20 on the reception side via broadcasting or communication.
- the client device 20-1 among the plurality of client devices 20 connected to the network 30 has the same functions as the gateway device 10 such as a tuner and a communication I / F. Assume that the content data distributed via broadcast and communication can be received.
- the client devices 20-2 to 20-N can receive content data distributed via broadcast or communication via the client device 20-1 operating as a gateway.
- the client devices 20-2 to 20-N may be connected to the gateway device 10 to receive content data distributed via broadcast or communication.
- the gateway device 10 includes a UPnP / SSDP server 111, a proxy application manager 112, a local proxy 113, and an SLS processing system 114 as the processing unit 100 together with the tuner 101 as shown in the configuration of FIG. It is comprised including.
- FIG. 4 there are two types of client devices 20, a general client device 20 having only a renderer function and an all-in-one client device 20 having not only a renderer function but also a gateway function. is there.
- the general client device (NC) 20 receives data via broadcast or communication via the gateway device (GW) 10 or the all-in-one client device (AOC) 20. That is, the gateway device (GW) 10 can provide a gateway function to the general client device (NC) 20.
- the all-in-one client device (AOC) 20 can provide a gateway function to the general client device (NC) 20.
- the all-in-one client device (AOC) 20 can also function as a general client device (NC) 20 upon receiving a gateway function from the gateway device (GW) 10, but normally uses its own gateway function. To receive data via broadcast or communication.
- NC general client device
- GW gateway device
- the gateway device (GW) 10 functions as a gateway, and transmits data distributed from the transmitting server via broadcast or communication to the general client device (NC) 20 or the all-in-one client device (AOC) 20. Further, the gateway device (GW) 10 performs an extension header insertion process on the request from the general client device (NC) 20 or the all-in-one client device (AOC) 20, and transmits the request obtained as a result via communication. .
- the all-in-one client device (AOC) 20 functions as a gateway and processes the data distributed from the transmitting server via broadcast or communication by itself or transmits it to the general client device (NC) 20. Further, the all-in-one client device (AOC) 20 performs an extension header insertion process on a request processed by itself or a request from the general client device (NC) 20, and transmits a request obtained as a result via communication. .
- data transmitted via broadcast and communication may be processed by the same device.
- the device that processes data via the communication may be different from the device that processes data via communication.
- the gateway device (GW) 10 can process data via broadcasting for the general client device (NC) 20 and the all-in-one client device (AOC) 20 can process data via communication.
- FIG. 6 is a diagram illustrating an example of a protocol stack of the IP transmission scheme of the present technology.
- ATSC Advanced Television Systems Committee
- IP transmission method can be adopted as in ATSC 3.0 and the like.
- the lowest hierarchy is a physical layer.
- IP transmission system such as ATSC3.0
- the physical layer corresponds to the frequency band of the broadcast wave allocated for the service (channel).
- LLS Low Level Signaling
- SLS Service Layer Signaling
- the LLS includes metadata such as SLT (Service List).
- the SLT metadata includes basic information indicating the configuration of a stream or service in a broadcast network, such as information necessary for service (channel) channel selection.
- the SLT metadata is transmitted by being included in a UDP / IP packet that is an IP packet including a UDP packet. However, a UDP / IP packet storing SLT metadata is transmitted with a special IP address and port number.
- ROUTE Real-time Object Delivery Service Unidirectional Transport
- FLUTE FLUTE
- the S-TSID metadata is an extension of LSID (LCT Session Instance Description) for ATSC 3.0, and is ROUTE protocol control information. Further, the S-TSID metadata can specify EFDT (Extended FDT) transmitted in the ROUTE session. EFDT is an extension of FDT (File Delivery Table) introduced in FLUTE, and is control information for transfer.
- the MPEG-DASH standard defines a manifest file for describing metadata, which is control information for video and audio files, and a file format for transmitting moving image content.
- the former manifest file is called MPD (Media Presentation Description), and the latter file format is also called a segment format.
- the segment transmitted in the ROUTE session is composed of an initialization segment (IS: Initialization Segment) and a media segment (MS: Media Segment).
- the initialization segment includes initialization information such as a data compression method.
- the media segment stores video, audio, and subtitle stream data. That is, this media segment corresponds to a DASH segment (DASH segment file).
- stream data of service components (video, audio, subtitles, etc.) constituting content such as a program is transmitted by a ROUTE session in units of DASH segments conforming to the ISO BMFF standard.
- NRT content is stored once in the receiver storage and then played.
- files other than NRT content for example, files of applications and electronic service guides (ESG: Electronic Service Guide)
- ESG Electronic Service Guide
- SLT metadata as LLS and metadata such as USBD, S-TSID, and MPD as SLS should be text data described in a markup language such as XML (Extensible Markup Language). Can do.
- DASH DASH segments
- VOD Video On Demand
- the Period element, AdaptationSet element, and Representation element are described in a hierarchical structure.
- the attributes such as the respective rates are described by dividing them into Representation elements.
- the Representation element is divided into a plurality of segments (Segment) on the time axis.
- the client device 20 parses MPD metadata transmitted as SLS, and refers to the value of the rate specified in the stream described in the Representation element, so that it is optimal for the network environment in which the client device 20 is located. You can select the right stream.
- the segment file described in MPD metadata is specified by URL (byte range).
- the segment is a part of the Representation element, and one Representation element is configured by one of the following.
- FIG. 9 is a diagram showing an example of MPD metadata when using the segment base (SegmentBase).
- the segment base is used when there is only one media segment (segment) in one Representation element.
- the byte sequence of initialization information and the byte sequence of RAP are within the first 834 bytes of the file.
- the 834 bytes are described by the indexRange attribute of the SegmentBase element.
- the communication server 70 as a CDN server, when the content data (DASH segment file) is distributed by the communication server 70, the existing CDN logging function is used. Then, the operation of recording the access statistics of the DASH segment becomes possible. Here, additional costs can be minimized by using the existing CDN functions.
- FIG. 13 shows a description example of the extension header in the case of the ATSC 3.0 service as an example of the extension of the HTTP request header.
- FIG. 14 shows an example of description of USB-format metadata and MPD metadata in XML format. Information obtained from these metadata is used as attribute related to delivery of the ATSC 3.0 service, and the source identification information Can be included.
- the service ID (global service ID) is obtained from the value of the globalServiceID attribute of the userServiceDescription element
- the MPD metadata URL is obtained from the value of the fullMPDUri attribute of the userServiceDescription element.
- a content ID corresponding to EIDR is obtained from the value of the AssetIdentifier element of the Period element.
- the attribute of the content of the DASH segment file added as the extension header includes source identification information obtained by referring to the mapping database using the segment URL as a primary key. Specifically, source identification information such as a service ID, content ID, MPD metadata URL, and time information is added as an extension header.
- automatic setting methods include a method using a DHCP (Dynamic Host Configuration Protocol) server and a method using a WPAD (Web Proxy Auto Discovery).
- automatic setting using a proxy setting script prepares a proxy automatic configuration script file written in a script language such as JavaScript (registered trademark) and places the file on the web server, while changing the URL of the file.
- the URL of the script for automatic setting of the browser 212 may be set.
- the same method can also be used for discovery of the gateway device 10 (its local proxy 113).
- the local proxy 113 enables the local proxy 113 to mediate (intercept) all sessions including a secure end-to-end transport session using the HTTPS protocol.
- a proxy is called a transparent proxy (transparent proxy) as described above.
- the client device 20 finds the gateway device 10 that is a server on which the local proxy 113 is operating in the network 30, and the IP address and port number on which the local proxy 113 waits for a request (hereinafter, proxy standby address).
- proxy standby address the IP address and port number on which the local proxy 113 waits for a request.
- the client device 20 needs to recognize the Web API (Application Programming Interface) for inquiring the proxy proxy address / port to the local proxy 113.
- this Web API is an interface for calling services.
- SSDP an XML format file that describes functions and information that can be provided by a device is used as a device description that is exchanged when discovering a public service.
- this file a device description describing the target device itself and a service description as an action of each service installed on the target device are described.
- the description of the local proxy 113 can describe the URL of the Web API that returns the IP address and port number (proxy standby address / port) at which the local proxy 113 waits for a request. To do.
- a proxy standby address / port can be set.
- the discovery of the local proxy 113 operating in the gateway device 10 and the proxy standby address / port acquisition sequence (proxy discovery / connection processing) of the local proxy 113 are described in the extension of the HTTP request header described above. This will be described together with the sequence (extension header insertion processing).
- FIG. 19 is a diagram illustrating an example of an M-SEARCH request.
- FIG. 20 is a diagram illustrating an example of an M-SEARCH response.
- the device description request transmitted by the client apparatus 20 is received by the gateway apparatus 10 connected to the network 30 in the process of step S202.
- 22 and 23 are diagrams showing examples of device description responses.
- serviceList element a list of services supported by the gateway device 10 is described.
- serviceList element one or a plurality of service elements are described.
- the local proxy 113 since the local proxy 113 has a function as a proxy server in the gateway device 10, “192.168.1.1”, which is the IP address assigned to the gateway device 10, is included in the body part of the response. “34567” which is the port number assigned to the proxy 113 is described.
- step S204 of FIG. 18 the application 211 updates the proxy automatic configuration script and starts (restarts) the browser 212 based on the proxy standby address / port response (IP address and port number) received from the gateway device 10. ) To reflect the configuration change.
- step S122 the local proxy 113 transmits the HTTP request obtained in the process of step S121 (extension header insertion process) to the communication server 70 connected to the Internet 80 via the communication I / F 102.
- step S212 the browser 212 processes the DASH segment file received from the gateway device 10, and reproduces the DASH segment file by the DASH player.
- the client device 20 reproduces content such as a program distributed via communication.
- step S154 the SLS processing system 114 refers to the mapping database stored in the storage unit 104 in response to the inquiry by the URL of the HTTP request header from the local proxy 113, and attributes (sources) corresponding to the URL of the HTTP request. (Identification information) is returned.
- the communication server 70 receives an HTTP request transmitted from the gateway device 10 via the Internet 80. Then, the communication server 70 transmits a DASH segment file corresponding to the received HTTP request to the gateway device 10 via the Internet 80.
- names such as the above-described control information (signaling) are examples, and other names may be used. However, the difference between these names is a formal difference and does not differ from the substantial contents of the target control information and packets.
- USBD User Service Bundle Description
- USD User Service Description
- NRT Non Real Time
- LCC Long Cellally Cached Content
- the program can be installed in the recording unit 1008 via the input / output interface 1005 by attaching the removable recording medium 1011 to the drive 1010.
- the program can be received by the communication unit 1009 via a wired or wireless transmission medium and installed in the recording unit 1008.
- the program can be installed in the ROM 1002 or the recording unit 1008 in advance.
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Abstract
Description
2.本技術の概要
3.HTTPリクエストヘッダの拡張方法
4.トランスペアレントプロキシの発見・接続方法
5.プロキシの発見・接続処理と、拡張ヘッダ挿入処理の流れ
6.変形例
7.コンピュータの構成
図1は、本技術を適用した伝送システムの一実施の形態の構成を示す図である。なお、システムとは、複数の装置が論理的に集合したものをいう。
図2は、図1のゲートウェイ装置10の構成例を示す図である。
図3は、図1のクライアント装置20の構成例を示す図である。
ところで、図1の伝送システム1においては、ゲートウェイ装置10が、放送経由又は通信経由で、送信側のサーバから配信されるデータを、受信側のクライアント装置20に転送するための役割を担う構成を説明したが、その役割を、ネットワーク30に接続されたクライアント装置20のいずれかが担うようにした構成を採用することもできる。
図6は、本技術のIP伝送方式のプロトコルスタックの例を示す図である。
次に、図7乃至図11を参照して、SLSとして伝送されるMPDメタデータの詳細を説明する。
(2)1つのセグメントテンプレート
(3)1つかそれ以上のベースURLと最大1つのセグメントベース(この場合にはセグメントリストも、セグメントテンプレートもない)
図13は、本技術の拡張ヘッダの例を示す図である。
図15は、HTTPリクエストの例を示す図である。
図16は、拡張ヘッダが挿入されたHTTPリクエストの例を示す図である。
図17及び図18のフローチャートを参照して、プロキシの発見・接続処理と、拡張ヘッダ挿入処理の一連の流れを説明する。
次に、図27のフローチャートを参照して、拡張ヘッダ挿入処理の詳細を説明する。
次に、図28のフローチャートを参照して、通信サーバ70により実行されるHTTPリクエスト対応処理の流れを説明する。
上述した説明としては、デジタル放送の規格として、米国等で採用されている方式であるATSC(特に、ATSC3.0)を説明したが、本技術は、日本等が採用する方式であるISDBや、欧州の各国等が採用する方式であるDVBなどに適用するようにしてもよい。また、上述した説明では、IP伝送方式が採用されるATSC3.0を例にして説明したが、IP伝送方式に限らず、例えば、MPEG2-TS(Transport Stream)方式等の他の方式に適用するようにしてもよい。
また、上述した制御情報(シグナリング)などの名称は、一例であって、他の名称が用いられる場合がある。ただし、これらの名称の違いは、形式的な違いであって、対象の制御情報やパケットなどの実質的な内容が異なるものではない。例えば、USBD(User Service Bundle Description)は、USD(User Service Description)と称される場合がある。また、例えば、NRT(Non Real Time)は、LCC(Locally Cached Content)などと称される場合がある。
コンテンツのリクエストに対し、当該コンテンツのソースの同一性を識別するための識別情報を挿入する処理部を備える
情報処理装置。
(2)
前記処理部は、放送サービスをサービスエントリとして、通信経由で、前記リクエストが送信される場合に、前記リクエストに対し、前記識別情報を挿入する
(1)に記載の情報処理装置。
(3)
前記識別情報は、前記コンテンツの配信元を識別するための情報である
(1)又は(2)に記載の情報処理装置。
(4)
前記識別情報は、前記放送サービスを識別する識別子を少なくとも含む
(3)に記載の情報処理装置。
(5)
前記識別情報は、前記コンテンツを識別する識別子、前記コンテンツの再生を制御する制御情報の取得先を示す情報、及び前記コンテンツに関する時刻情報のうち、少なくとも1つの情報をさらに含む
(4)に記載の情報処理装置。
(6)
前記処理部は、プロキシとしての機能を有する
(1)乃至(5)のいずれかに記載の情報処理装置。
(7)
放送波を受信する受信部と、
インターネット上のサーバと通信を行う通信部と
をさらに備え、
前記処理部は、
前記放送波から得られる制御情報に基づいて、前記識別情報を格納したマッピングデータベースを生成し、
HTTP(Hypertext Transfer Protocol)リクエストを、前記サーバに送信する場合、前記マッピングデータベースから得られる前記識別情報を、前記HTTPリクエストのリクエストヘッダに挿入し、
前記通信部は、前記HTTPリクエストを、前記インターネットを介して、前記サーバに送信する
(6)に記載の情報処理装置。
(8)
前記情報処理装置は、ネットワークに接続されたクライアント装置に対し、放送経由又は通信経由で配信されるコンテンツを転送するゲートウェイ装置であり、
前記処理部は、前記クライアント装置からのHTTPリクエストを、前記サーバに送信する場合、前記HTTPリクエストのリクエストヘッダに、前記識別情報を挿入する
(7)に記載の情報処理装置。
(9)
前記情報処理装置は、放送経由又は通信経由で配信されるコンテンツを再生するクライアント装置であり、
前記処理部は、前記クライアント装置からのHTTPリクエスト、又はネットワークに接続された他のクライアント装置からのHTTPリクエストを、前記サーバに送信する場合、前記HTTPリクエストのリクエストヘッダに、前記識別情報を挿入する
(7)に記載の情報処理装置。
(10)
前記処理部は、前記クライアント装置との接続を確立する場合に、前記プロキシがリクエストを待ち受けるIPアドレスとポート番号に関する接続情報を、前記クライアント装置に提供する
(8)に記載の情報処理装置。
(11)
前記クライアント装置は、前記プロキシの構成を設定するためのスクリプトファイルの内容を、前記接続情報により書き換え、当該スクリプトファイルを実行することで、前記プロキシとの接続を確立する
(10)に記載の情報処理装置。
(12)
前記処理部は、前記クライアント装置により、前記接続情報を取得するためのAPI(Application Programming Interface)が実行された場合に、前記接続情報を、前記クライアント装置に提供する
(11)に記載の情報処理装置。
(13)
前記リクエストは、セキュアなプロトコルを用いて通信が行われ、
前記プロキシは、透過型のプロキシ(Transparent Proxy)である
(6)乃至(12)のいずれかに記載の情報処理装置。
(14)
情報処理装置のデータ処理方法において、
前記情報処理装置が、
コンテンツのリクエストに対し、当該コンテンツのソースの同一性を識別するための識別情報を挿入するステップを含む
データ処理方法。
(15)
放送経由又は通信経由で配信されるコンテンツを転送するゲートウェイ装置との接続を処理する処理部と、
前記ゲートウェイ装置から、ネットワークを介して転送されてくる前記コンテンツを再生する再生部と
を備え、
前記ゲートウェイ装置は、プロキシとしての機能を有し、
前記処理部は、前記ゲートウェイ装置から前記ネットワークを介して提供される、前記プロキシがリクエストを待ち受けるIPアドレスとポート番号に関する接続情報に基づいて、前記プロキシとの接続を確立する
クライアント装置。
(16)
前記処理部は、前記プロキシの構成を設定するためのスクリプトファイルの内容を、前記接続情報により書き換え、当該スクリプトファイルを実行することで、前記プロキシとの接続を確立する
(15)に記載のクライアント装置。
(17)
前記処理部は、前記ゲートウェイ装置から前記ネットワークを介して提供される、前記接続情報を取得するためのAPIを実行することで、前記接続情報を取得する
(16)に記載のクライアント装置。
(18)
前記プロキシは、前記クライアント装置からのコンテンツのリクエストを、インターネット上のサーバに送信する場合、前記リクエストに対し、当該コンテンツのソースの同一性を識別するための識別情報を挿入する
(17)に記載のクライアント装置。
(19)
前記プロキシは、放送サービスをサービスエントリとして、通信経由で、前記リクエストが送信される場合に、前記リクエストに対し、前記識別情報を挿入する
(18)に記載のクライアント装置。
(20)
クライアント装置のデータ処理方法において、
前記クライアント装置が、
放送経由又は通信経由で配信されるコンテンツを転送するゲートウェイ装置との接続を確立する場合に、プロキシとしての機能を有する前記ゲートウェイ装置からネットワークを介して提供される、前記プロキシがリクエストを待ち受けるIPアドレスとポート番号に関する接続情報に基づいて、前記プロキシとの接続を確立し、
前記ゲートウェイ装置から、前記ネットワークを介して転送されてくる前記コンテンツを再生する
ステップを含むデータ処理方法。
Claims (20)
- コンテンツのリクエストに対し、当該コンテンツのソースの同一性を識別するための識別情報を挿入する処理部を備える
情報処理装置。 - 前記処理部は、放送サービスをサービスエントリとして、通信経由で、前記リクエストが送信される場合に、前記リクエストに対し、前記識別情報を挿入する
請求項1に記載の情報処理装置。 - 前記識別情報は、前記コンテンツの配信元を識別するための情報である
請求項2に記載の情報処理装置。 - 前記識別情報は、前記放送サービスを識別する識別子を少なくとも含む
請求項3に記載の情報処理装置。 - 前記識別情報は、前記コンテンツを識別する識別子、前記コンテンツの再生を制御する制御情報の取得先を示す情報、及び前記コンテンツに関する時刻情報のうち、少なくとも1つの情報をさらに含む
請求項4に記載の情報処理装置。 - 前記処理部は、プロキシとしての機能を有する
請求項2に記載の情報処理装置。 - 放送波を受信する受信部と、
インターネット上のサーバと通信を行う通信部と
をさらに備え、
前記処理部は、
前記放送波から得られる制御情報に基づいて、前記識別情報を格納したマッピングデータベースを生成し、
HTTP(Hypertext Transfer Protocol)リクエストを、前記サーバに送信する場合、前記マッピングデータベースから得られる前記識別情報を、前記HTTPリクエストのリクエストヘッダに挿入し、
前記通信部は、前記HTTPリクエストを、前記インターネットを介して、前記サーバに送信する
請求項6に記載の情報処理装置。 - 前記情報処理装置は、ネットワークに接続されたクライアント装置に対し、放送経由又は通信経由で配信されるコンテンツを転送するゲートウェイ装置であり、
前記処理部は、前記クライアント装置からのHTTPリクエストを、前記サーバに送信する場合、前記HTTPリクエストのリクエストヘッダに、前記識別情報を挿入する
請求項7に記載の情報処理装置。 - 前記情報処理装置は、放送経由又は通信経由で配信されるコンテンツを再生するクライアント装置であり、
前記処理部は、前記クライアント装置からのHTTPリクエスト、又はネットワークに接続された他のクライアント装置からのHTTPリクエストを、前記サーバに送信する場合、前記HTTPリクエストのリクエストヘッダに、前記識別情報を挿入する
請求項7に記載の情報処理装置。 - 前記処理部は、前記クライアント装置との接続を確立する場合に、前記プロキシがリクエストを待ち受けるIPアドレスとポート番号に関する接続情報を、前記クライアント装置に提供する
請求項8に記載の情報処理装置。 - 前記クライアント装置は、前記プロキシの構成を設定するためのスクリプトファイルの内容を、前記接続情報により書き換え、当該スクリプトファイルを実行することで、前記プロキシとの接続を確立する
請求項10に記載の情報処理装置。 - 前記処理部は、前記クライアント装置により、前記接続情報を取得するためのAPI(Application Programming Interface)が実行された場合に、前記接続情報を、前記クライアント装置に提供する
請求項11に記載の情報処理装置。 - 前記リクエストは、セキュアなプロトコルを用いて通信が行われ、
前記プロキシは、透過型のプロキシ(Transparent Proxy)である
請求項6に記載の情報処理装置。 - 情報処理装置のデータ処理方法において、
前記情報処理装置が、
コンテンツのリクエストに対し、当該コンテンツのソースの同一性を識別するための識別情報を挿入するステップを含む
データ処理方法。 - 放送経由又は通信経由で配信されるコンテンツを転送するゲートウェイ装置との接続を処理する処理部と、
前記ゲートウェイ装置から、ネットワークを介して転送されてくる前記コンテンツを再生する再生部と
を備え、
前記ゲートウェイ装置は、プロキシとしての機能を有し、
前記処理部は、前記ゲートウェイ装置から前記ネットワークを介して提供される、前記プロキシがリクエストを待ち受けるIPアドレスとポート番号に関する接続情報に基づいて、前記プロキシとの接続を確立する
クライアント装置。 - 前記処理部は、前記プロキシの構成を設定するためのスクリプトファイルの内容を、前記接続情報により書き換え、当該スクリプトファイルを実行することで、前記プロキシとの接続を確立する
請求項15に記載のクライアント装置。 - 前記処理部は、前記ゲートウェイ装置から前記ネットワークを介して提供される、前記接続情報を取得するためのAPIを実行することで、前記接続情報を取得する
請求項16に記載のクライアント装置。 - 前記プロキシは、前記クライアント装置からのコンテンツのリクエストを、インターネット上のサーバに送信する場合、前記リクエストに対し、当該コンテンツのソースの同一性を識別するための識別情報を挿入する
請求項17に記載のクライアント装置。 - 前記プロキシは、放送サービスをサービスエントリとして、通信経由で、前記リクエストが送信される場合に、前記リクエストに対し、前記識別情報を挿入する
請求項18に記載のクライアント装置。 - クライアント装置のデータ処理方法において、
前記クライアント装置が、
放送経由又は通信経由で配信されるコンテンツを転送するゲートウェイ装置との接続を確立する場合に、プロキシとしての機能を有する前記ゲートウェイ装置からネットワークを介して提供される、前記プロキシがリクエストを待ち受けるIPアドレスとポート番号に関する接続情報に基づいて、前記プロキシとの接続を確立し、
前記ゲートウェイ装置から、前記ネットワークを介して転送されてくる前記コンテンツを再生する
ステップを含むデータ処理方法。
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WO (1) | WO2018034172A1 (ja) |
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CN109672613A (zh) * | 2018-12-12 | 2019-04-23 | 北京数码视讯软件技术发展有限公司 | 自适应访问方法、装置及电子设备 |
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EP3095245A4 (en) * | 2014-01-13 | 2017-11-08 | LG Electronics Inc. | Apparatuses and methods for transmitting or receiving a broadcast content via one or more networks |
US11411918B2 (en) * | 2020-05-26 | 2022-08-09 | Microsoft Technology Licensing, Llc | User interface for web server risk awareness |
TWI806632B (zh) * | 2022-05-27 | 2023-06-21 | 新加坡商聯發科技(新加坡)私人有限公司 | 影音播放裝置及其影音信號資訊顯示方法 |
US11876713B1 (en) * | 2023-03-13 | 2024-01-16 | Intuit Inc. | Client side backoff filter for rate limiting |
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- 2017-08-04 EP EP17841397.7A patent/EP3503568A4/en active Pending
- 2017-08-04 WO PCT/JP2017/028338 patent/WO2018034172A1/ja unknown
- 2017-08-04 CA CA3033735A patent/CA3033735A1/en active Pending
- 2017-08-04 JP JP2018534344A patent/JPWO2018034172A1/ja active Pending
- 2017-08-04 US US16/319,558 patent/US12081317B2/en active Active
- 2017-08-04 BR BR112019002867-6A patent/BR112019002867A2/pt not_active Application Discontinuation
- 2017-08-04 KR KR1020197003080A patent/KR102496890B1/ko active IP Right Grant
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Also Published As
Publication number | Publication date |
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EP3503568A4 (en) | 2019-08-28 |
MX2019001568A (es) | 2019-06-06 |
EP3503568A1 (en) | 2019-06-26 |
JPWO2018034172A1 (ja) | 2019-06-13 |
CA3033735A1 (en) | 2018-02-22 |
US20210288735A1 (en) | 2021-09-16 |
KR102496890B1 (ko) | 2023-02-08 |
KR20190039403A (ko) | 2019-04-11 |
US12081317B2 (en) | 2024-09-03 |
BR112019002867A2 (pt) | 2019-05-14 |
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