CN102833579A - Method and device for implementing network personal video recorder service - Google Patents
Method and device for implementing network personal video recorder service Download PDFInfo
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- CN102833579A CN102833579A CN2012102823767A CN201210282376A CN102833579A CN 102833579 A CN102833579 A CN 102833579A CN 2012102823767 A CN2012102823767 A CN 2012102823767A CN 201210282376 A CN201210282376 A CN 201210282376A CN 102833579 A CN102833579 A CN 102833579A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
- H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/71—Indexing; Data structures therefor; Storage structures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/612—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for unicast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/27—Server based end-user applications
- H04N21/274—Storing end-user multimedia data in response to end-user request, e.g. network recorder
- H04N21/2747—Remote storage of video programs received via the downstream path, e.g. from the server
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
The invention discloses a method and device for implementing NPVR (Network Personal Video Recorder) service. The method comprises the following steps that a service system sends an NPVR request to a CDN (Content Delivery Network) system after receiving the NPVR request; the CDN system controls a CDN node corresponding to the NPVR request to record a program, and after finishing recording the program, the CDN system sends a storage request to a storage system; and the storage system acquires an NPVR file obtained through recording the program from the CDN system according to the storage request, saves the file, and then informs the service system through the CDN system of the completion of the NPVR service. According to the invention, the NPVR content is stored into the storage system through the CDN system, and the NPVR content in the CDN system is not placed on file, but processed as ordinary TVOD (True Video On Demand) content, and can be subjected to aging processing (removed) after ageing time is reached; and the problem that shortage of storage space of the CDN system resulting from increased demand of the NPVR service due to an increased amount of users can be solved.
Description
Technical field
The present invention relates to the multimedia service technical field, particularly relate to the method and the device of a kind of NPVR (Network Personal Video Recorder, network individual video recording) business realizing.
Background technology
Multimedia service relate to Web TV (Internet Protocol Television, IPTV), business such as mobile stream media system (MVS, Mobile Video Streaming), mobile TV.Web TV is a kind of multimedia technology based on the Internet, based on the infrastructure of existing network bandwidth, for the user service of multiple interactive digital media business is provided through Internet protocol.And along with the raising and the development of internet technology of the network bandwidth, carrying out of the medium value-added service of multi-media networks such as TV Network Based becomes a kind of trend gradually.
In the multi-media service system; Usually adopt a plurality of media servers (node) component content distributing network (content distribution network; CDN) for the terminal use service is provided; Usually, for reducing the concurrent of Centroid, require that memory contents satisfies home subscriber basically on each fringe node.
At multi-media service systems such as IPTV the NPVR business service can be provided, the terminal is professional through NPVR, can the programs of interest content recorded and be kept on the CDN node.When this NPVR content of user terminal program request,, obtain the position of this recorded content on the CDN node, and then to this CDN node, obtain this recorded content through visit CDN system.This NPVR content usually need be on the CDN node holding time longer, to satisfy the demand of user terminal.Along with being geometry level, terminal use's quantity increases, the expansion of user NPVR business demand, and the CDN node need continue dilatation.But this expansion method only can solve capacity problem in a short time, simultaneously, also has TVOD (True Video On the Demand promptly promptly broadcasts) deletion and the ageing efficiency problem of CDN system.Therefore, how to solve the contradiction between the demand of CDN power system capacity and terminal use NPVR traffic growth, becoming multimedia service CDN system needs problem demanding prompt solution.
Summary of the invention
The technical problem that the present invention will solve provides a kind of method and device of NPVR business realizing, in order to there to be the problem of contradiction in the solution prior art between CDN power system capacity and the terminal use NPVR traffic growth demand.
For solving the problems of the technologies described above, on the one hand, the present invention provides a kind of method of NPVR business realizing, comprising:
Operation system is sent the NPVR request to content distributing network CDN system after receiving network individual video recording NPVR request;
The control of CDN system is carried out program recording with the corresponding CDN node of said NPVR request, and after program recording was accomplished, the CDN system sent the storage request to storage system;
Storage system is according to said storage request, from said CDN system, obtains the NPVR file that program recording obtains, and preserves, and accomplishes through CDN notifications operation system NPVR is professional then.
Further, after the professional completion of NPVR, also comprise:
Terminal equipment sends the NPVR order request to operation system;
After operation system is received the NPVR order request, send NPVR order request message to storage system;
After storage system is received the NPVR order request, search the memory address of the corresponding NPVR file of this NPVR order request, and memory address is sent to operation system as return messages;
After operation system is received return messages, said return messages are sent to terminal equipment;
Terminal equipment sends playing request according to said return messages to storage system;
After storage system is received playing request, send broadcast code flow to terminal equipment.
Further, between CDN system and the storage system and all communicate by letter between terminal equipment and the storage system through the HTTP mode.
Further, adopt FTP mode transfer files between storage system and the CDN system.
Further, after the professional completion of NPVR, also comprise:
When reaching ageing time, the CDN system wears out to delete and handles.
On the other hand, the present invention also provides a kind of device of NPVR business realizing, comprising:
Operation system is used to receive that network individual video recording NPVR request back is to the transmission NPVR of content distributing network CDN system request;
The CDN system is used to control with the corresponding CDN node of said NPVR request and carries out program recording, and after program recording was accomplished, the CDN system sent the storage request to storage system;
Storage system is used for according to said storage request, from said CDN system, obtains the NPVR file that program recording obtains, and preserves, and accomplishes through CDN notifications operation system NPVR is professional then.
Further, operation system also is used to receive terminal equipment after operation system is sent the NPVR order request, sends NPVR order request message to storage system; And after being used to receive the return messages of storage system
, said return messages are sent to terminal equipment; Terminal equipment sends playing request according to said return messages to storage system;
Storage system after also being used to receive the NPVR order request, is searched the memory address of the corresponding NPVR file of this NPVR order request, and memory address is sent to operation system as return messages; And, after receiving the playing request that terminal equipment sends, send broadcast code flow to terminal equipment.
Further, between CDN system and the storage system and all communicate by letter between terminal equipment and the storage system through the HTTP mode.
Further, adopt FTP mode transfer files between storage system and the CDN system.
Further, also comprise: the CDN system is after the professional completion of NPVR, and the deletion of wearing out when reaching ageing time is handled.
Beneficial effect of the present invention is following:
The present invention through the CDN system with the NPVR content stores in storage system, the NPVR content in the CDN system is no longer filed, but as common TVOD contents processing, after reaching ageing time, just can carry out burin-in process (deletion); And during this NPVR content of terminal equipment program request, provide NPVR to play service by storage system, and then solved because the user increases, the NPVR business demand increases, and the nervous problem of the CDN system memory space that causes.
Description of drawings
Fig. 1 is the flow chart of a kind of method of NPVR business realizing in the embodiment of the invention;
Fig. 2 is the structural representation of a kind of device of NPVR business realizing in the embodiment of the invention;
Fig. 3 is that the device of a kind of NPVR business realizing in the specific embodiment of the invention is realized the flow chart that NPVR is professional.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, does not limit the present invention.
As shown in Figure 1, the embodiment of the invention relates to a kind of method of NPVR business realizing, comprising:
Step S101 after operation system is received the NPVR request, sends the NPVR request to the CDN system;
In this step, the user sends the NPVR request through user terminal to operation system, and related-program is recorded in request.Operation system is sent the NPVR request to the CDN system after receiving the NPVR request; Carry out performance recording by the CDN system.
Step S102, the control of CDN system is carried out program recording with the corresponding NPVR node of said NPVR request, and after program recording was accomplished, the CDN system sent the storage request to storage system;
Which in this step, after the NPVR request is received by the CDN system, at first to confirm by media server program recording at a plurality of media servers (CDN node).Can ask according to NPVR, confirm to record with the corresponding CDN node of NPVR request.Recording request is issued to corresponding C DN node, after completion is recorded in the media server setting, no longer issues the filing task to node, but the newly-increased storage system of notice.In the CDN system, record the content of completion, after reaching ageing time (preestablishing the time), burin-in process (for example directly deleting) need not considered NPVR filing problem voluntarily.
Step S103, storage system is according to said storage request, from said CDN system, obtains the NPVR file that program recording obtains, and preserves, and accomplishes through CDN notifications operation system NPVR is professional then.
In this step, after storage system was notified, from the corresponding CDN node copy NPVR content (NPVR file) of CDN system, after copy was accomplished, the storage of notice CDN system was accomplished;
Receive the notification message of storage completion in the CDN system after, report NPVR to accomplish message to operation system, this NPVR content just can have been showed on EPG (Electronic Program Guide, electric program menu) like this.
Wherein, storage system comprises storage control module and a plurality of memory module, and the quantity of memory module can be confirmed according to the size of data of storage.Storage control module is used to control a plurality of memory modules stores and play operation, and is used for communicating with CDN system, operation system, terminal equipment.
Terminal equipment is when this NPVR content of program request, and operation system is notified storage system, and storage system returns to operation system with the address, memory location of NPVR content; User terminal is through this address, and the NPVR content in the access stored system is accomplished the NPVR service; Detailed process is described below:
Step S1031, terminal equipment sends the NPVR order request to operation system;
Step S1032 after operation system is received the NPVR order request, sends NPVR order request message to storage system;
Step S1033 after storage system is received the NPVR order request, searches the memory address of the corresponding NPVR file of this NPVR order request, and memory address is sent to operation system as return messages;
Step S1034 after operation system is received return messages, sends to terminal equipment with said return messages;
Step S1035, terminal equipment send playing request according to said return messages to storage system;
Step S1036 after storage system is received playing request, sends broadcast code flow to terminal equipment.
In the above-mentioned steps, between CDN system and the storage system can through but be not limited to HTTP (Hypertext Transport Protocol, HTTP) mode and communicate by letter; Storage system and CDN system can through but be not limited to FTP mode transfer files; Between terminal equipment and the storage system can through but be not limited to the HTTP mode and communicate by letter.Between terminal equipment and operation system and operation system and storage system, the CDN system can through but be not limited to the HTTP mode and communicate by letter; Also can adopt other communication modes.
As shown in Figure 2, the embodiment of the invention also relates to a kind of device of realizing the NPVR business realizing of said method, comprising:
Wherein, operation system 202 also is used to receive terminal equipment 201 after operation system is sent the NPVR order request, sends NPVR order request message to storage system 204; And after being used to receive the return messages of storage system 204, said return messages are sent to terminal equipment 201; Terminal equipment 201 sends playing request according to said return messages to storage system 204;
Communicate by letter through the HTTP mode between CDN system 203 and the storage system 204; Adopt FTP mode transfer files between storage system 204 and the CDN system 203; Communicate by letter through the HTTP mode between terminal equipment 201 and the storage system 204.
Below, be elaborated with an instantiation:
As shown in Figure 3, the embodiment of the invention mainly comprises operation system, CDN system, storage system and terminal equipment.Wherein, operation system has comprised EPG and CP (Control Point, service control point); The CDN system comprises control module and a plurality of media server, and wherein, control module is used for a plurality of media servers are managed, and carries out information interaction with operation system and storage system; Newly-increased storage system comprises storage control module and memory module, and storage control module is in charge of this storage system, and carries out interacting message with CDN system, operation system, terminal equipment; The major function of storage system is to preserve the NPVR file, so that after the NPVR of CDN system is aging, NPVR is provided business service.
The form of NPVR file is MPG (Moving Pictures Experts Group, a dynamic image expert group) in the present embodiment, and storage system copies the NPVR file with FTP (File Transfer Protocol, FTP) mode from the CDN system.
NPVR request flow process may further comprise the steps:
Step 300: terminal equipment is initiated the NPVR request to operation system;
Step 301: operation system judges whether this user terminal has the NPVR authority after receiving the NPVR request, if having authority, then returns success and replys to terminal equipment, otherwise return failure, and flow process stops;
Step 302: operation system is sent the NPVR request to the control module of CDN system;
The control module of step 303:CDN system issues recording request to the media server corresponding with this terminal equipment after receiving the NPVR request;
After step 304:NPVR node is recorded completion, return to the control module of CDN system and to record the result, if record success, then return success, this NPVR flow process continues; If failure is then returned failure, and reported failure to operation system, flow process finishes;
The control module of step 305:CDN system receives that the NPVR node device reports record successfully after, through the HTTP mode, send the storage request to the storage control module of storage system;
Step 306: the storage control module of storage system returns to the CDN system responses after receiving the storage request;
Step 307: the request of will storing of the storage control module of storage system sends to memory module;
Step 308: memory module is obtained corresponding N PVR file through the FTP mode after receiving the storage request from the CDN system;
Step 309: after the storage system copy is accomplished the NPVR file, the notice storage control module;
Step 310: after storage control module receives that NPVR accomplishes message, the control module of notice CDN system;
The control module of step 311:CDN system is accomplished the message informing operation system with NPVR, in this message, contains the address information of storage system control module, and operation system is after receiving message, and NPVR can program request in programme.
Subscriber terminal equipment (like STB) order request NPVR flow process:
Step 312: terminal equipment sends (sending through the HTTP mode) NPVR order request to operation system;
Step 313: after operation system is received the NPVR order request, send NPVR order request message to the storage control module of storage system;
Step 314: after storage control module is received the NPVR order request, search the memory module at the NPVR file place corresponding, and the address information of this NPVR file storage is returned to operation system with this NPVR order request;
Step 315: after operation system is received return messages, this message is sent to terminal equipment;
Step 316: terminal equipment sends playing request according to return messages to the memory module of storage system;
Step 317: after memory module is received playing request message, send broadcast code flow, accomplish NPVR content-on-demand flow process to terminal equipment.
Need to prove: in the present embodiment; Communicate by letter through the HTTP mode between CDN system and the storage system; The FTP mode is adopted in the transmission of file between memory module and the CDN system; Communicating by letter through the HTTP mode between terminal equipment and the operation system, in specific embodiment, also can adopt other different medium interaction protocols and file transfer modes, is not to be defined as to have only aforesaid way could realize the present invention.In addition, the MPG form of present embodiment NPVR file can also adopt other coded format in practical application, such as MP4, and MPEG-4 etc., the coded format of medium need not to be defined as form specific in the present embodiment.
Can find out by the foregoing description; The present invention realizes that NPVR is professional, realized and the separating of CDN system, through the CDN system with the NPVR content stores in storage system; NPVR content in the CDN system is no longer filed; But, after reaching ageing time, just can carry out burin-in process (deletion) as common TVOD contents processing; And during this NPVR content of terminal equipment program request, provide NPVR to play service by storage system, and then solved because the user increases, the NPVR business demand increases, and the nervous problem of the CDN system memory space that causes.
Although be the example purpose, the preferred embodiments of the present invention are disclosed, it also is possible those skilled in the art will recognize various improvement, increase and replacement, therefore, scope of the present invention should be not limited to the foregoing description.
Claims (10)
1. the method for a network individual video recording business realizing is characterized in that, comprising:
Operation system is sent the NPVR request to content distributing network CDN system after receiving network individual video recording NPVR request;
The control of CDN system is carried out program recording with the corresponding CDN node of said NPVR request, and after program recording was accomplished, the CDN system sent the storage request to storage system;
Storage system is according to said storage request, from said CDN system, obtains the NPVR file that program recording obtains, and preserves, and accomplishes through CDN notifications operation system NPVR is professional then.
2. the method for network individual video recording business realizing as claimed in claim 1 is characterized in that, after the professional completion of NPVR, also comprises:
Terminal equipment sends the NPVR order request to operation system;
After operation system is received the NPVR order request, send NPVR order request message to storage system;
After storage system is received the NPVR order request, search the memory address of the corresponding NPVR file of this NPVR order request, and memory address is sent to operation system as return messages;
After operation system is received return messages, said return messages are sent to terminal equipment;
Terminal equipment sends playing request according to said return messages to storage system;
After storage system is received playing request, send broadcast code flow to terminal equipment.
3. the method for network individual as claimed in claim 2 video recording business realizing is characterized in that, between CDN system and the storage system and all communicate by letter through the HTTP mode between terminal equipment and the storage system.
4. the method for network individual video recording business realizing as claimed in claim 3 is characterized in that, adopts FTP mode transfer files between storage system and the CDN system.
5. like the method for each described network individual video recording business realizing of claim 1 ~ 4, it is characterized in that, after the professional completion of NPVR, also comprise:
When reaching ageing time, the CDN system wears out to delete and handles.
6. the device of a network individual video recording business realizing is characterized in that, comprising:
Operation system is used to receive that network individual video recording NPVR request back is to the transmission NPVR of content distributing network CDN system request;
The CDN system is used to control with the corresponding CDN node of said NPVR request and carries out program recording, and after program recording was accomplished, the CDN system sent the storage request to storage system;
Storage system is used for according to said storage request, from said CDN system, obtains the NPVR file that program recording obtains, and preserves, and accomplishes through CDN notifications operation system NPVR is professional then.
7. the device of network individual video recording business realizing as claimed in claim 6 is characterized in that,
Operation system also is used to receive terminal equipment after operation system is sent the NPVR order request, sends NPVR order request message to storage system; And after being used to receive the return messages of storage system, said return messages are sent to terminal equipment; Terminal equipment sends playing request according to said return messages to storage system;
Storage system after also being used to receive the NPVR order request, is searched the memory address of the corresponding NPVR file of this NPVR order request, and memory address is sent to operation system as return messages; And, after receiving the playing request that terminal equipment sends, send broadcast code flow to terminal equipment.
8. the device of network individual as claimed in claim 7 video recording business realizing is characterized in that, between CDN system and the storage system and all communicate by letter through the HTTP mode between terminal equipment and the storage system.
9. the device of network individual video recording business realizing as claimed in claim 8 is characterized in that, adopts FTP mode transfer files between storage system and the CDN system.
10. like the device of each described network individual video recording business realizing of claim 6 ~ 9, it is characterized in that, also comprise:
The CDN system is after the professional completion of NPVR, and the deletion of wearing out when reaching ageing time is handled.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210282376.7A CN102833579B (en) | 2012-08-09 | 2012-08-09 | A kind of method and device of network individual video recorder service |
| PCT/CN2013/079745 WO2014023155A1 (en) | 2012-08-09 | 2013-07-19 | Method and device for implementing network personal video recorder service |
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| CN201210282376.7A CN102833579B (en) | 2012-08-09 | 2012-08-09 | A kind of method and device of network individual video recorder service |
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| CN102833579A true CN102833579A (en) | 2012-12-19 |
| CN102833579B CN102833579B (en) | 2016-08-31 |
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| WO (1) | WO2014023155A1 (en) |
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| WO2014023155A1 (en) * | 2012-08-09 | 2014-02-13 | 中兴通讯股份有限公司 | Method and device for implementing network personal video recorder service |
| CN106658152A (en) * | 2015-07-29 | 2017-05-10 | 中兴通讯股份有限公司 | NPVR implementation method and device based on OTT |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102833579B (en) * | 2012-08-09 | 2016-08-31 | 山东智慧生活数据系统有限公司 | A kind of method and device of network individual video recorder service |
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| CN101610162A (en) * | 2008-06-16 | 2009-12-23 | 华为技术有限公司 | A kind of method, system and equipment that content is provided based on reciprocity storage networking |
| CN101729272A (en) * | 2008-10-27 | 2010-06-09 | 华为技术有限公司 | Method, system and device for content distribution, and media server |
| CN101621545A (en) * | 2009-07-07 | 2010-01-06 | 中兴通讯股份有限公司 | Device and method for pulling down media resource towards terminal device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2014023155A1 (en) * | 2012-08-09 | 2014-02-13 | 中兴通讯股份有限公司 | Method and device for implementing network personal video recorder service |
| CN106658152A (en) * | 2015-07-29 | 2017-05-10 | 中兴通讯股份有限公司 | NPVR implementation method and device based on OTT |
Also Published As
| Publication number | Publication date |
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| CN102833579B (en) | 2016-08-31 |
| WO2014023155A1 (en) | 2014-02-13 |
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