Media delivering apparatus, system, method and program and recording medium having recorded program

• US 20050055423A1
• Filed: 09/08/2004
• Published: 03/10/2005
• Est. Priority Date: 09/08/2003
• Status: Abandoned Application

• Current Assignee: NEC Corporation
• Original Assignee: NEC Corporation
• Inventors: Tagato, Hiroki
• Application Number:
  US10/936,161
• Publication Number:
  US 20050055423A1
• Time in Patent Office: Days
• US Class Current: 709/217
• CPC Class Codes: H04N 21/235 Processing of additional data, e.g. scrambling of additional data or processing content descriptors
• CPC Class Codes: H04N 21/2365 Multiplexing of several video streams
• CPC Class Codes: H04N 21/4143 embedded in a Personal Computer [PC]
• CPC Class Codes: H04N 21/4223 Cameras H04N23/00 takes precedence
• CPC Class Codes: H04N 21/42661 for reading from or writing on a magnetic storage medium, e.g. hard disk drive
• CPC Class Codes: H04N 21/4312 involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
• CPC Class Codes: H04N 21/4314 for fitting data in a restricted space on the screen, e.g. EPG data in a rectangular grid
• CPC Class Codes: H04N 21/4334 Recording operations recording of a television signal H04N5/76; arrangements for recording or accumulating broadcast information or broadcast-related information H04H60/27
• CPC Class Codes: H04N 21/4347 Demultiplexing of several video streams
• CPC Class Codes: H04N 21/435 Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
• CPC Class Codes: H04N 21/472 End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content end-user interfaces for retrieving video data from a database G06F16/739; network services for supporting unicast streaming H04L65/612
• CPC Class Codes: H04N 21/643 Communication protocols network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP], H04L65/65
• CPC Class Codes: H04N 21/6581 Reference data, e.g. a movie identifier for ordering a movie or a product identifier in a home shopping application
• CPC Class Codes: H04N 5/76 Television signal recording
• CPC Class Codes: H04N 7/181 for receiving images from a plurality of remote sources
• CPC Class Codes: H04N 7/186 Video door telephones

Abstract

By use of a media delivering apparatus, a media delivering method, and a recording medium having recorded a program in accordance with the present invention, it is possible to flexibly control delivery of video data. A media delivering apparatus in a communication network including a moving picture receiving client to receive media data via a communication network from a stream server, crime-preventive cameras connected via an LAN to the client, and storage to store image data from the cameras controls delivery of media data from the stream server to the client according to attributes of a moving picture content and the client and a moving picture service providing state to thereby flexibly control video data to be delivered.

Claims

1. A media delivering apparatus for use in a communication network including a plurality of moving picture transmitting devices including a stream server, a network camera, and a hard disk drive (HDD) recorder having a function to send moving picture media data via a communication network, wherein

delivery of media data from the moving picture transmitting devices to the moving picture receiving client is controlled according to an attribute of a moving picture content, an attribute of the moving picture receiving client, and a moving picture service providing state.

2. A media delivering apparatus in accordance with claim 1, comprising:

a content access assisting part including a content control table keeping contents of media processing to be executed according to an attribute of a moving picture content, an attribute of the moving picture receiving client, and a moving picture service providing state;

a session controller for receiving from the moving picture receiving client a content access request, an access source universal resource locator (URL), and an access destination URL specifying a content to be received and requesting the content access assisting part to make a search using the access source URL and the access destination URL as a key;

a media processing controller for supplying media data matching with a source address and a source port indicated by the session controller to a media processing subfunction indicated by the session controller, receiving a result of media processing of the subfunction, and transmitting the result to a destination address and a destination port indicated by the session controller;

a media processing part for receiving from the media processing controller as an input thereto media data to be processed and a specification of a type of a subfunction module to process the media data, executing predetermined data processing by a function module thus specified, and returning media data resultant from the processing to the media processing controller;

a media data receiver for receiving media data sent from a moving picture content source and delivering the media data to the media processing part; and

a media data transmitter for receiving the media data from the media processing controller and transmitting the media data to the moving picture receiving client.

3. A media delivering apparatus in accordance with claim 2, wherein the content access assisting part makes, when a content control table search request is received from the session controller with the access source URL and the access destination URL as transfer data, a search through the content control table using the transfer data as a key and returns, when an entry matching with the key is detected, as a search result a converted URL, a media processing condition, and media processing contents to the session controller.

4. A media delivering apparatus in accordance with claim 2, wherein the session controller conducts, for the converted URL returned from the content access assisting part, a session setup request to a moving picture content source specified by the URL.

5. A media delivering apparatus in accordance with claim 2, wherein

the session controller interprets the session processing condition and the session processing contents returned from the content access assisting part, makes a search through contents of the session control table thereof using as a key the access source URL and the access destination URL passed from the moving picture receiving client;

and

the session controller instructs the media processing part when an entry matching with the key is detected, to make a subfunction module in a media processing function for executing specified media processing execute media data belonging to an associated session.

6. A media delivering apparatus in accordance with claim 4, wherein

the session controller interprets the session processing condition and the session processing contents returned from the content access assisting part, makes a search through contents of the session control table thereof using as a key the access source URL and the access destination URL passed from the moving picture receiving client;

and

the session controller instructs the media processing part when an entry matching with the key is detected, to make a subfunction module in a media processing function for executing specified media processing execute media data belonging to an associated session.

7. A media delivering system comprising;

a media delivering apparatus in accordance with claim 1,

a plurality of moving picture transmitting devices including a stream server, a network camera, and a hard disk drive (HDD) recorder having a function to send moving picture media data via a communication network,

a stream server stored moving picture contents via a communication network and

a plurality of a moving picture receiving client,

wherein delivery of media data from the moving picture transmitting devices to the moving picture receiving client is controlled according to an attribute of a moving picture content, an attribute of the moving picture receiving client, and a moving picture service providing state.

8. A media delivering system comprising;

a media delivering apparatus in accordance with claim 2,

a plurality of moving picture transmitting devices including a stream server, a network camera, and a hard disk drive (HDD) recorder having a function to send moving picture media data via a communication network,

a stream server stored moving picture contents via a communication network and

a plurality of a moving picture receiving client,

wherein delivery of media data from the moving picture transmitting devices to the moving picture receiving client is controlled according to an attribute of a moving picture content, an attribute of the moving picture receiving client, and a moving picture service providing state.

9. A media delivering system comprising;

a media delivering apparatus in accordance with claim 3,

a plurality of moving picture transmitting devices including a stream server, a network camera, and a hard disk drive (HDD) recorder having a function to send moving picture media data via a communication network,

a stream server stored moving picture contents via a communication network and

a plurality of a moving picture receiving client,

wherein delivery of media data from the moving picture transmitting devices to the moving picture receiving client is controlled according to an attribute of a moving picture content, an attribute of the moving picture receiving client, and a moving picture service providing state.

10. A media delivering system comprising;

a media delivering apparatus in accordance with claim 4,

a plurality of moving picture transmitting devices including a stream server, a network camera, and a hard disk drive (HDD) recorder having a function to send moving picture media data via a communication network,

a stream server stored moving picture contents via a communication network and

a plurality of a moving picture receiving client,

wherein delivery of media data from the moving picture transmitting devices to the moving picture receiving client is controlled according to an attribute of a moving picture content, an attribute of the moving picture receiving client, and a moving picture service providing state.

11. A media delivering system comprising;

a media delivering apparatus in accordance with claim 5,

a plurality of moving picture transmitting devices including a stream server, a network camera, and a hard disk drive (HDD) recorder having a function to send moving picture media data via a communication network,

a stream server stored moving picture contents via a communication network and

a plurality of a moving picture receiving client,

wherein delivery of media data from the moving picture transmitting devices to the moving picture receiving client is controlled according to an attribute of a moving picture content, an attribute of the moving picture receiving client, and a moving picture service providing state.

12. A media delivering system comprising;

a media delivering apparatus in accordance with claim 6,

a plurality of moving picture transmitting devices including a stream server, a network camera, and a hard disk drive (HDD) recorder having a function to send moving picture media data via a communication network,

a stream server stored moving picture contents via a communication network and

a plurality of a moving picture receiving client,

wherein delivery of media data from the moving picture transmitting devices to the moving picture receiving client is controlled according to an attribute of a moving picture content, an attribute of the moving picture receiving client, and a moving picture service providing state.

13. A program for executing a delivering system in accordance with 8,

the program for delivering at least one of a plurality of media data items sent from a plurality of moving picture transmitting devices to a moving picture receiving client receiving media data via a communication network from the moving picture transmitting devices, to execute a delivering system wherein

a content access assist step for making a content control table keep contents of media processing to be executed according to an attribute of a moving picture content, an attribute of the moving picture receiving client, and a moving picture service providing state executing the content access assist, the content access assist step is executed by the content access assisting part;

a cession control step of receiving from the moving picture receiving client a content access request, an access source URL, and an access destination URL specifying a content to be received and requesting a search through the content control table using the access source URL and the access destination URL as a key, cession control step is executed by the session controller;

a media processing control step of supplying media data matching with a source address and a source port indicated during the session control step to a media processing subfunction indicated during the session control step, receiving a result of media processing of the subfunction, and transmitting the result to a destination address and a destination port indicated during the session control step, the media processing control step is executed by the media processing controller;

a media processing step for receiving during the media processing control step as an input thereto media data to be processed and a specification of a type of a subfunction module to process the media data, executing predetermined data processing by a function module thus specified, and returning media data resultant from the processing to the media processing control step, the media processing step is executed by the media processing part;

a media data receiving step of receiving media data sent from a moving picture content source and delivering the media data to the media processing step, the media data receiving step is executed by the media data receiver; and

a media data transmitting step of receiving the media data from the media processing control step and transmitting the media data to the moving picture receiving client, the media data transmitting step is executed by the media data transmitter.

14. A media delivering method of delivering at least one of a plurality of media data items sent from a plurality of moving picture transmitting devices to a moving picture receiving client receiving media data via a communication network from the moving picture transmitting devices, wherein

delivery of media data from the moving picture transmitting devices to the moving picture receiving client is controlled according to an attribute of a moving picture content, an attribute of the moving picture receiving client, and a moving picture service providing state.

15. A media delivering method in accordance with claim 14, comprising:

a content access assist step for making a content control table keep contents of media processing to be executed according to an attribute of a moving picture content, an attribute of the moving picture receiving client, and a moving picture service providing state;

a session control step of receiving from the moving picture receiving client a content access request, an access source URL, and an access destination URL specifying a content to be received and requesting a search through the content control table using the access source URL and the access destination URL as a key;

a media processing control step of supplying media data matching with a source address and a source port indicated during the session control step to a media processing subfunction indicated during the session control step, receiving a result of media processing of the subfunction, and transmitting the result to a destination address and a destination port indicated during the session control step;

a media processing step for receiving during the media processing control step as an input thereto media data to be processed and a specification of a type of a subfunction module to process the media data, executing predetermined data processing by a function module thus specified, and returning media data resultant from the processing to the media processing control step;

a media data receiving step of receiving media data sent from a moving picture content source and delivering the media data to the media processing step; and

a media data transmitting step of receiving the media data from the media processing control step and transmitting the media data to the moving picture receiving client.

16. A media delivering method in accordance with claim 15, wherein the content access assist step makes, when a content control table search request is received from the session control step with the access source URL and the access destination URL as transfer data, a search through the content control table using the transfer data as a key and returns, when an entry matching with the key is detected, as a search result a converted URL, a media processing condition, and media processing contents to the session control step.

17. A media delivering method in accordance with claim 15, wherein the session control step conducts, for the converted URL returned from the content access assist step, a session setup request to a moving picture content source specified by the URL.

18. A media delivering method in accordance with claim 15, wherein

the session control step interprets the session processing condition and the session processing contents returned from the content access assist step, makes a search through contents of the session control table thereof using as a key the access source URL and the access destination URL passed from the moving picture receiving client;

and

the session control step instructs the media processing step, when an entry matching with the key is detected, to make a subfunction module in a media processing function for executing specified media processing execute media data belonging to an associated session.

19. A media delivering method in accordance with claim 17, wherein

the session control step interprets the session processing condition and the session processing contents returned from the content access assist step, makes a search through contents of the session control table thereof using as a key the access source URL and the access destination URL passed from the moving picture receiving client;

and

the session control step instructs the media processing step, when an entry matching with the key is detected, to make a subfunction module in a media processing function for executing specified media processing execute media data belonging to an associated session.

20. A recording media having stored a program product for delivering at least one of a plurality of media data items sent from a plurality of moving picture transmitting devices to a moving picture receiving client receiving media data via a communication network from the moving picture transmitting devices, wherein

delivery of media data from the moving picture transmitting devices to the moving picture receiving client is controlled according to an attribute of a moving picture content, an attribute of the moving picture receiving client, and a moving picture service providing state.