CN101150720A - Stream media program playing method and its playing client - Google Patents
Stream media program playing method and its playing client Download PDFInfo
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- CN101150720A CN101150720A CN 200610126996 CN200610126996A CN101150720A CN 101150720 A CN101150720 A CN 101150720A CN 200610126996 CN200610126996 CN 200610126996 CN 200610126996 A CN200610126996 A CN 200610126996A CN 101150720 A CN101150720 A CN 101150720A
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Abstract
The invention discloses a method of playing stream media programs, comprising in a P2P stream media system, the user terminal stores stream media program data which is downloaded from a stream media server and other user terminals in local storage medium; according to watch commands of users, the next user terminal extracts corresponding stored stream media program data from the local storage medium; and decoding and playing extracted stream media program data. The invention also discloses a user terminal of playing stream media programs. The invention can be expanded a mode of watching stream media programs by users in the P2P stream media system, the mode of watching streaming media programs is more flexible.
Description
Technical field
The present invention relates to the P2P stream media technology in the internet arena, especially relate to a kind of flow-medium performance broadcast method and flow-medium performance and play client.
Background technology
At present, streaming media service is a kind of big data quantity network service based on the stream transmission technology on IP network, please refer to Fig. 1, this figure is the configuration diagram of conventional flow media system, traditional stream media system is based on C/S (Client/Server) pattern, just form by streaming media server and several clients, in this system, all clients all need to obtain the streaming media resource of its needs from streaming media server, this just requires streaming media server in the conventional flow media system will dispose bigger Network Transmission bandwidth to come the transport stream media resource to give each client, therefore the Network Transmission bandwidth requirement of convection media server is higher, thereby the number of users that causes traditional stream media system to support is very limited, generally can only support several thousand users.
Problem at above-mentioned conventional flow media system existence, and then derived present widely used P2P stream media system, see also Fig. 2, this figure is the configuration diagram of P2P stream media system in the prior art, it mainly comprises source server, querying server, logon server, super node and client, the main effect of each part is as follows:
Source server is used for the primary flow media resource is distributed to each super node, and the characteristic information of this primary flow media resource is sent to querying server;
Querying server, the characteristic information that is used for streaming media resource that system can be provided offers logging on client, state information to the current download stream media resource of each client in the system is carried out collection management, when receiving the seed inquiry request that client sends, can provide the address information of the client of respective resources and super node to send to the client of the request of initiation;
Logon server is used to handle the logging request of client, and the client of sending logging request is verified, it is redirected on the corresponding querying server;
Super node is used for obtaining the primary flow media resource from source server, and provides corresponding streaming media resource according to the request of client to it;
Client is used for sending seed inquiry request to querying server, and connects according to the address information that receives and corresponding super node and client, and it is mutual to carry out streaming media resource.
Above-mentioned P2P stream media system has been realized resource query and mutual the separating of resource, because source server is distributed to super node in the system with the primary flow media resource, therefore each client in the system at first by with super node get access to streaming media resource alternately, the client that gets access to streaming media resource then just can be used as resource provider other clients in system provides this streaming media resource, this process has realized the continuous propagation of streaming media resource in whole system, finally make the arbitrary client in the system to obtain needed streaming media resource there from other adjacent client, and do not need directly from source server, to obtain streaming media resource, thereby greatly reduce the Network Transmission bandwidth consumption of source server.
Under the condition of configuration equivalent network transmission bandwidth resource, source server in the above-mentioned P2P stream media system is compared with the streaming media server in the above-mentioned conventional flow media system, can support more user, generally speaking can support tens0000 even a hundreds of thousands user.
As fully visible in the P2P stream media system, each network node is a client, the role who is serving as streaming media server again simultaneously, that is to say that each client is when obtaining streaming media resource, providing streaming media resource for other clients again, can pass through directly visit mutually of the Internet between the different clients, thereby improve the utilance of network transmission resource.In the P2P stream media system, simultaneously online number of users is many more, and the speed of client downloads stream medium data is fast more.These characteristics based on the P2P stream media system, in order to guarantee that the same period can have a large number of users online, it is the user's download streaming media resource that the P2P stream media system all can adopt live mode, cause the user can only carry out online watching, the user has only the interior disposable flow-medium performance of watching that streaming media server provides of section at the appointed time like this, therefore for the user watches, have bigger restriction, lack and watch the flexibility of mode.
Summary of the invention
The present invention proposes a kind of flow-medium performance broadcast method, in the spread mode that the user watches flow-medium performance in the P2P stream media system, makes the user watch that the mode of flow-medium performance is more flexible.
Accordingly, the invention allows for a kind of flow-medium performance and play client.
For addressing the above problem, the technical scheme that the present invention proposes is as follows:
A kind of flow-medium performance broadcast method comprises step:
In the P2P stream media system, the flow-medium performance storage that client will be downloaded from streaming media server and other clients is in local storage medium; Subsequent client is extracted the flow-medium performance data of corresponding stored according to user's the instruction of watching from local storage medium; And to the flow-medium performance data of the extracting broadcast of decoding.
Preferably, described client also comprised the flow-medium performance data of this download is carried out the step that real-time decoding is play before the flow-medium performance storage that will download is in the local storage medium.
Preferably, described method also comprises step:
Described client from streaming media server and other clients, download with store local storage medium in the different flow-medium performance data of flow-medium performance data; And the flow-medium performance data of this download are carried out real-time decoding play.
Preferably, the flow-medium performance data of described download are the flow-medium performance data through encrypting.
Preferably, client also comprises the step that the flow-medium performance data of extracting are decrypted before broadcast that the flow-medium performance data of extracting are decoded.
Whether preferably, subsidiary in the described flow-medium performance data that issue have sign, described sign to be used to indicate these flow-medium performance data to allow client to carry out this locality storage.
Preferably, described client specifically comprises the flow-medium performance storage of downloading to the process in the local storage medium:
The sign that client is subsidiary according to the flow-medium performance data that issue from streaming media server and other clients judges whether the flow-medium performance data of this download allow client to carry out this locality storage; And be to allow to carry out under the situation of local storage in judged result, with the flow-medium performance storage downloaded in local storage medium.
A kind of flow-medium performance is play client, comprising:
The storage operation unit is used for the stream media system at P2P, and the flow-medium performance storage that will download from streaming media server and other clients is in local storage medium;
Data extracting unit is used for the follow-up instruction of watching according to the user, extracts the flow-medium performance data of corresponding stored from local storage medium; With
The decoding broadcast unit is used for the flow-medium performance data that the data extraction unit the extracts playback process of decoding.
Preferably, described client also comprises the first real-time broadcast unit, is used in the storage operation unit the flow-medium performance storage downloaded the flow-medium performance data of this download being carried out the real-time decoding playback process before the local storage medium.
Preferably, described client also comprises:
The data download unit, be used for from streaming media server and other clients download with store local storage medium into the different flow-medium performance data of flow-medium performance data;
The second real-time broadcast unit is used for these flow-medium performance data that the data download unit is downloaded are carried out the real-time decoding playback process.
Preferably, the flow-medium performance data of described download are the flow-medium performance data through encrypting.
Preferably, described client also comprises the decryption processing unit, is used for the flow-medium performance data that the data extraction unit extracts are decrypted processing; The flow-medium performance data of described decoding broadcast unit after the playback process of decoding to decryption processing unit decryption processing.
Whether preferably, subsidiary in the flow-medium performance data of described download have sign, described sign to be used to indicate these flow-medium performance data to allow client to carry out this locality storage.
Preferably, described storage operation unit specifically comprises:
Judgment sub-unit is used for the sign subsidiary according to the flow-medium performance data of downloading from streaming media server and other clients, judges whether the flow-medium performance data of this download allow client to carry out this locality storage; With
The storage operation subelement, the judged result that is used in judgment sub-unit is to allow to carry out under the situation of local storage, with the flow-medium performance storage downloaded in local storage medium.
The beneficial effect that the present invention can reach is as follows:
Technical solution of the present invention is by in the P2P stream media system, client is saved in this locality with the flow-medium performance data of downloading, for example be kept on the hard disk of client, thereby, therefore expanded the flexibility that in P2P stream media system user watches flow-medium performance preferably for the arbitrary flow-medium performance of watching after the user provides convenience.
Description of drawings
Be explained in detail below in conjunction with main realization principle, the specific implementation process of following each accompanying drawing technical solution of the present invention, in the accompanying drawings:
Fig. 1 is the configuration diagram of conventional flow media system;
Fig. 2 is the configuration diagram of P2P stream media system in the prior art;
Fig. 3 downloads the network topology structure of watching for adopting the network direct broadcasting mode to carry out flow-medium performance in the P2P stream media system;
Fig. 4 is the main realization principle flow chart of flow-medium performance broadcast method of the present invention;
Fig. 5 plays the main composition structured flowchart of client for flow-medium performance of the present invention;
Fig. 6 forms structured flowchart for the specific embodiment of client of the present invention;
Fig. 7 is according to the present invention program's principle, and flow-medium performance is play the concrete operation principle schematic diagram of client.
Embodiment
Technical solution of the present invention is primarily aimed in existing P 2P stream media system, the P2P stream media system must adopt live mode to provide flow-medium performance to the user, though can make the user watch program source like this than horn of plenty, but but there is very big shortcoming aspect the flexibility of the mode of watching, watching based on client on the basis of flow-medium performance and propose the user, and then the flow-medium performance data of downloading are saved in this locality, for example be kept on the hard disk in the client, thereby, therefore expanded the flexibility that in P2P stream media system user watches flow-medium performance preferably for the arbitrary flow-medium performance of watching after the user is provided convenience.
The network environment that technical solution of the present invention is applied in is described below, please refer to Fig. 3, this figure adopts the network direct broadcasting mode to carry out flow-medium performance in the P2P stream media system to download the network topology structure of watching, first wherein, second, the third three users are download stream media program data from the stream medium data that program source and other each users have downloaded respectively, and data downloaded is cached in the internal memory, constantly from internal memory, extract the flow-medium performance data of downloading simultaneously and carry out the real-time decoding broadcast, thereby reach the purpose of in the P2P stream media system, carrying out the live broadcast stream media program.
The technical solution of the present invention principle will be implemented in above-mentioned P2P live streaming media network environment, please refer to Fig. 4, and this figure is the main realization principle flow chart of flow-medium performance broadcast method of the present invention, and its main implementation procedure is as follows:
Certainly, according to user's request, client can also be before the flow-medium performance storage that will download from streaming media server and other clients be in the local storage medium, at first with the flow-medium performance metadata cache downloaded in internal memory, from internal memory, extract the flow-medium performance data of downloading then in real time and carry out the real-time decoding playback process, be embodied as the user and carry out online broadcast.And in real-time playing process, constantly the flow-medium performance data extract with buffer memory in the internal memory goes out to store in the local storage medium (as hard disk), is the follow-up purpose of providing convenience of watching of user to reach preservation flow-medium performance data simultaneously.
In addition, operational order and demand according to the user, client can be when downloaded stored be in local storage medium from streaming media server and other clients with the stream medium data about a program, download the stream medium data of relevant other programs simultaneously, and carry out the real-time decoding playback process, thereby realized the user when watching a program in real time, downloaded the purpose of preserving other flow-medium performance data, well expanded the user and watched the flexibility of flow-medium performance mode.
Usually in the P2P stream media system, carry out live flow-medium performance content and all have copyright, have only like this and use specific live software to be decrypted playback process the flow-medium performance data of downloading.Therefore in technical solution of the present invention; for better maintaining copyright strategy; the P2P streaming media server is when issuing the flow-medium performance source; can carry out encryption to the flow-medium performance data that issue; no matter client is that the flow-medium performance data of downloading are directly carried out real-time playback process, still stored in the local hard drive like this; the follow-up playback process of calling again; play again after all needing to use specific live software that the flow-medium performance data are decrypted processing, thereby well reach the purpose of protecting copyright.If certainly the P2P streaming media server is when issuing the flow-medium performance source, the flow-medium performance data that issue not to be encrypted, any like this player can be to the flow-medium performance data of the downloading broadcast of decoding.
In technical solution of the present invention, the flow-medium performance data of downloading can be carried out this locality storage for client, wait until follow-up play, can when issuing the flow-medium performance source, determine by the P2P streaming media server, be that the P2P streaming media server is when issuing the flow-medium performance data, in the flow-medium performance data that issue, attach a sign (Flag) is arranged, whether this sign can be used in these flow-medium performance data of indication and allows client to carry out this locality storage, client is after having downloaded the flow-medium performance data from other clients and P2P streaming media server like this, can be according to this sign of carrying in the flow-medium performance data of downloading, whether the flow-medium performance data of judging this download allow client to carry out this locality storage, in judged result is to allow to carry out the flow-medium performance storage of downloading to be arrived in the local storage medium (as hard disk) under the situation of local storage again.
This shows, technical solution of the present invention can be in the P2P stream media system, realization is organically carried out combination with the network direct broadcasting of flow-medium performance and the download preservation of flow-medium performance data, make the user can onlinely watch flow-medium performance, can download again and preserve flow-medium performance and wait until follow-up watching, well expand the flexibility that the user watches the P2P flow-medium performance.
Realization principle corresponding to said method of the present invention, a kind of flow-medium performance broadcast client that the present invention has gone back corresponding proposition here, as shown in Figure 5, play the main composition structured flowchart of client for flow-medium performance of the present invention, it mainly comprises storage operation unit 100, data extracting unit 110 and decoding broadcast unit 120, and wherein the concrete effect of each component units is as follows:
Decoding broadcast unit 120 is used for the flow-medium performance data that above-mentioned data extracting unit 110 the extracts playback process of decoding.
In addition, on the main composition architecture basics of above-mentioned Fig. 5, can also and then comprise one first real-time broadcast unit, be used in above-mentioned storage operation unit 100 the flow-medium performance storage downloaded earlier the flow-medium performance data of this download being carried out the real-time decoding playback process before the local storage medium.
For making the user can onlinely watch a programme televised live, download the flow-medium performance data of preserving other simultaneously, think that follow-up watching provides preparation, client of the present invention also and then can comprise a data download unit, is used for storing into from streaming media server and the download of other clients and storage operation unit 100 the different flow-medium performance data of flow-medium performance data the local storage medium on the main composition architecture basics of above-mentioned Fig. 5; With one second real-time broadcast unit, be used for these flow-medium performance data that above-mentioned data download unit is downloaded are carried out the real-time decoding playback process, so just realized that the user is when watching a program in real time, download the purpose of preserving other flow-medium performance data, well expanded the user and watched the flexibility of flow-medium performance mode.
In order effectively to protect the copyright of flow-medium performance content; the P2P streaming media server is when issuing the flow-medium performance source; can carry out encryption to the flow-medium performance data that issue; simultaneously can also in the flow-medium performance data that issue, attach a sign; identify based on this and to indicate these flow-medium performance data whether to allow client to carry out this locality storage; client is based on these attributes of the flow-medium performance data of downloading; the specific embodiment of designing is formed structured flowchart as shown in Figure 6; wherein on the main composition architecture basics of above-mentioned Fig. 5; also comprise a decryption processing unit 130; storage operation unit 100 specifically comprises judgment sub-unit 1001 and storage operation subelement 1002 in addition, and wherein each concrete effect that increases part newly is as follows:
Other correlation techniques that relevant in addition flow-medium performance of the present invention is play client realize that details please be corresponding to the associated description in the said method of the present invention, no longer gives too much to give unnecessary details here.
Concrete, being illustrated in figure 7 as according to the inventive method principle, flow-medium performance is play the concrete operation principle schematic diagram of client, and wherein 1. circuit represents the process circuit figure of the online playing stream media program of client; 2. circuit represents that client is kept at the flow-medium performance data of downloading in the local hard disk, follow-uply calls the process circuit figure that program data is play from hard disk; 3. circuit represents that the flow-medium performance data through after the encryption that client will download are kept in the local hard disk, follow-uply calls the process circuit figure that program data is play from hard disk.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (12)
1. a flow-medium performance broadcast method is characterized in that, comprises step:
In the P2P stream media system, the flow-medium performance storage that client will be downloaded from streaming media server and other clients is in local storage medium;
Subsequent client is extracted the flow-medium performance data of corresponding stored according to user's the instruction of watching from local storage medium; And
To the flow-medium performance data of the extracting broadcast of decoding.
2. the method for claim 1 is characterized in that, described client also comprised the flow-medium performance data of this download are carried out the step that real-time decoding is play before the flow-medium performance storage that will download is in the local storage medium.
3. the method for claim 1 is characterized in that, also comprises step:
Described client from streaming media server and other clients, download simultaneously with store local storage medium in the different flow-medium performance data of flow-medium performance data; And
The flow-medium performance data of this download are carried out real-time decoding to be play.
4. as claim 1,2 or 3 described methods, it is characterized in that the flow-medium performance data of described download are the flow-medium performance data through encrypting;
Described client also comprises the step that the flow-medium performance data of extracting are decrypted before broadcast that the flow-medium performance data of extracting are decoded.
5. method as claimed in claim 1 or 2 is characterized in that, whether subsidiary in the flow-medium performance data that described streaming media server and other clients issue have sign, described sign to be used to indicate these flow-medium performance data to allow client to carry out this locality storage;
The sign that described client is subsidiary according to the flow-medium performance data of downloading from streaming media server and other clients, whether the flow-medium performance data of judging this download allow client to carry out this locality storage; And
In judged result is to allow to carry out under the situation of local storage, with the flow-medium performance storage downloaded in local storage medium.
6. a flow-medium performance is play client, it is characterized in that, comprising:
The storage operation unit is used for the stream media system at P2P, and the flow-medium performance storage that will download from streaming media server and other clients is in local storage medium;
Data extracting unit is used for the follow-up instruction of watching according to the user, extracts the flow-medium performance data of corresponding stored from local storage medium; With
The decoding broadcast unit is used for the flow-medium performance data that the data extraction unit the extracts playback process of decoding.
7. client as claimed in claim 6, it is characterized in that, also comprise the first real-time broadcast unit, be used in the storage operation unit the flow-medium performance storage downloaded the flow-medium performance data of this download being carried out the real-time decoding playback process before the local storage medium.
8. client as claimed in claim 6 is characterized in that, also comprises:
The data download unit, be used for from streaming media server and other clients download simultaneously with store local storage medium into the different flow-medium performance data of flow-medium performance data;
The second real-time broadcast unit is used for these flow-medium performance data that the data download unit is downloaded are carried out the real-time decoding playback process.
9. as claim 6,7 or 8 described clients, it is characterized in that the flow-medium performance data of described download are the flow-medium performance data through encrypting.
10. client as claimed in claim 9 is characterized in that, also comprises the decryption processing unit, is used for the flow-medium performance data that the data extraction unit extracts are decrypted processing;
The flow-medium performance data of described decoding broadcast unit after the playback process of decoding to decryption processing unit decryption processing.
11. as claim 6 or 7 described clients, it is characterized in that, whether subsidiary in the flow-medium performance data that described streaming media server and other clients issue have sign, described sign to be used to indicate these flow-medium performance data to allow client to carry out this locality storage.
12. client as claimed in claim 11 is characterized in that, described storage operation unit specifically comprises:
Judgment sub-unit is used for the sign subsidiary according to the flow-medium performance data of downloading from streaming media server and other clients, judges whether the flow-medium performance data of this download allow client to carry out this locality storage; With
The storage operation subelement, the judged result that is used in judgment sub-unit is to allow to carry out under the situation of local storage, with the flow-medium performance storage downloaded in local storage medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610126996 CN101150720A (en) | 2006-09-18 | 2006-09-18 | Stream media program playing method and its playing client |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200610126996 CN101150720A (en) | 2006-09-18 | 2006-09-18 | Stream media program playing method and its playing client |
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| CN101150720A true CN101150720A (en) | 2008-03-26 |
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| CN 200610126996 Pending CN101150720A (en) | 2006-09-18 | 2006-09-18 | Stream media program playing method and its playing client |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101917389A (en) * | 2009-12-17 | 2010-12-15 | 新奥特（北京）视频技术有限公司 | Network television direct broadcasting system |
| CN101610392B (en) * | 2009-07-24 | 2011-05-18 | 北京网尚文化传播有限公司 | Method of online unicast of internet television and system |
| CN101917328B (en) * | 2009-12-17 | 2013-11-06 | 新奥特（北京）视频技术有限公司 | Method for locally storing and searching streaming media and network player |
| CN103888475A (en) * | 2014-04-11 | 2014-06-25 | 北京鸿达以太文化发展有限公司 | Method and device for protecting multimedia data |
-
2006
- 2006-09-18 CN CN 200610126996 patent/CN101150720A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101610392B (en) * | 2009-07-24 | 2011-05-18 | 北京网尚文化传播有限公司 | Method of online unicast of internet television and system |
| CN101917389A (en) * | 2009-12-17 | 2010-12-15 | 新奥特（北京）视频技术有限公司 | Network television direct broadcasting system |
| CN101917389B (en) * | 2009-12-17 | 2013-11-06 | 新奥特（北京）视频技术有限公司 | Network television direct broadcasting system |
| CN101917328B (en) * | 2009-12-17 | 2013-11-06 | 新奥特（北京）视频技术有限公司 | Method for locally storing and searching streaming media and network player |
| CN103888475A (en) * | 2014-04-11 | 2014-06-25 | 北京鸿达以太文化发展有限公司 | Method and device for protecting multimedia data |
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