CN114793296A - Processing method for sharing DVB real-time TS stream based on p2p network - Google Patents
Processing method for sharing DVB real-time TS stream based on p2p network Download PDFInfo
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- CN114793296A CN114793296A CN202111297564.2A CN202111297564A CN114793296A CN 114793296 A CN114793296 A CN 114793296A CN 202111297564 A CN202111297564 A CN 202111297564A CN 114793296 A CN114793296 A CN 114793296A
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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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
Abstract
The invention provides a processing method for sharing DVB real-time TS stream based on a p2p network, which is characterized by comprising the following steps: s1, the set-top box which is playing DVB program uploads the program playing information and the p2p penetration information to an IPTV server; s2, the set-top box watching the IPTV program accesses the IPTV server and uploads the program information request which the set-top box needs to watch, and meanwhile, the IPTV server obtains the playing information which is the same as the requested program information and watches the corresponding DVB program; s3, the IPTV server issues p2p penetration information of the set-top box watching the corresponding DVB program to the set-top box watching the IPTV program; and S4, the set top box watching the IPTV program penetrates through the set top box watching the corresponding DVB program according to the p2p penetration information to acquire program data for playing. The method of the invention can take the set-top box watching DVB signals as a father node, shares program data for the set-top box watching IPTV programs, and greatly reduces the bandwidth of the IPTV system.
Description
Technical Field
The invention relates to the technical field of television signal processing, in particular to a processing method for sharing DVB real-time TS stream based on a p2p network.
Background
IPTV, an interactive network television, is a technology that integrates internet, multimedia, and communication technologies using a broadband network to provide a variety of interactive services including digital television to home users.
With the increase of network bandwidth, multimedia videos are more and more widely applied to various scenes, and applications such as short videos and live broadcast sales are better. In the future, more streaming media class applications will be necessary. But there is a lot of annoyance to such application providers, that is, a huge bandwidth cost. For video websites such as ai chi yi and you ku, the bandwidth cost is more big for operation.
For television programs, a large number of users watch the same program at the same time. The way these programs are viewed is via the DVB signal of the STB, and via the IPTV system. The conventional IPTV system plus p2p can effectively reduce bandwidth, but all that is utilized is p2p between clients accessing this IPTV server. For example, there are 100 clients viewing CCTV1 through one app, but there is 100 STBs viewing CCTV1 using a satellite signal of DVBS, and there is no way to share program data with each other, and only 100 clients in the app can share program data with each other.
Therefore, the conventional IPTV system plus p2p can effectively reduce the bandwidth, but utilizes p2p between clients accessing this IPTV server.
Disclosure of Invention
Based on the problems and the defects in the prior art, the application provides a processing method for sharing a DVB real-time TS stream based on a p2p network, which uses an STB watching a DVB signal as a parent node to share program data with an STB watching an IPTV program, so as to reduce the bandwidth of an IPTV system.
A processing method for sharing DVB real-time TS stream based on p2p network is characterized by comprising the following steps:
s1, the set-top box which is playing DVB program uploads the program playing information and the p2p penetration information to an IPTV server;
s2, the set-top box watching the IPTV program accesses the IPTV server and uploads the program information request which the set-top box needs to watch, and meanwhile, the IPTV server obtains the playing information which is the same as the requested program information and watches the corresponding DVB program;
s3, the IPTV server issues p2p penetration information of the set-top box watching the corresponding DVB program to the set-top box watching the IPTV program;
and S4, the set top box watching the IPTV program penetrates through the set top box watching the corresponding DVB program according to the p2p penetration information to acquire program data for playing.
Further, in step S1, the method for the set top box playing the DVB program to upload the program playing information and the p2p penetration information to the IPTV server includes:
s11, firstly, acquiring TS stream of playing DVB program from recording channel;
s12, respectively caching pcr values and pcr fragments through two buffer queues;
s13, judging whether the network condition and the signal condition exist, if not, disconnecting the IPTV server connection and the p2p child node connection, repeating the step S11, if so, establishing a parent-child connection relation with the penetrating DVB program playing set-top box, wherein the current node is a parent node, and sending the pcr value of the pcr queue to the child node;
s14, waiting for receiving the request of the child node for sharing the pcr fragment, and sending the pcr fragment to the child node.
Further, in S11, before acquiring the TS stream of the DVB program being played from the recording channel, the IPTV server needs to be connected to the set-top box after the program playing time interval of the standby set-top box to acquire the TS stream of the DVB program being played.
Further, connecting to the IPTV server also requires transmitting ID information, network information, signal status information, IP, Port information required for p2p penetration of the current program.
Further, in step S2, the method for acquiring the set-top box information which is the same as the requested program information and is watching the corresponding DVB program by the IPTV server includes acquiring the address of the playing IPTV server and acquiring the p2p penetration information list from the IPTV server.
Further, in step S4, the method for acquiring program data to play by the set-top box watching the IPTV program penetrating through the set-top box watching the DVB program includes acquiring an address of the IPTV server and acquiring a p2p penetration information list from the IPTV server, and then determining whether the acquired play information is the play data acquired from the parent node playing the DVB program, if so, directly playing, otherwise, acquiring an address of the IPTV server and a pcr penetration list playing the program, and acquiring a pcr fragment according to the pcr penetration list to play.
Further, in step S4, the set top box viewing the IPTV program penetrates the set top box viewing the corresponding DVB program according to the p2p penetration information, before acquiring program data to be played, the set top box viewing the IPTV program needs to send current program information to the IPTV server, acquire an address of the IPTV server, acquire a p2p penetration list from the IPTV server, and determine whether data can be currently acquired from the set top box viewing the corresponding DVB program as a parent node, if not, acquire a pcr penetration list of the program from a play address of the IPTV server, acquire a pcr fragment according to the pcr penetration list to be played, and if so, acquire data from the parent node to be directly played.
Further, when judging whether data can be currently acquired from the set top box which is used as a parent node and watching the corresponding DVB program, the p2p penetration list needs to be acquired from the IPTV server, the set top box watching the corresponding DVB program is penetrated, and when the set top box watching the corresponding DVB program cannot be penetrated, all set top boxes watching the corresponding DVB program are penetrated according to the p2p penetration list.
Further, if data can be obtained from a set top box which is used as a father node and watching a corresponding DVB program at present, a p2p father-son node relation is established with the father node, the current node is a son node, a pcr list is obtained from the father node, the pcr list is compared with the currently played pcr list, after matching, a pcr value is sent to the father node, and the father node starts to sequentially send the subsequent pcr fragments from the position of the pcr and caches the pcr fragments.
The method has the advantages that the set top box watching DVB signals can be used as a father node to share program data for the set top box watching IPTV programs, so that the bandwidth of the IPTV system is greatly reduced, and if the number of the set top boxes watching DVB signals is larger than that of the set top boxes watching IPTV programs, the IPTV bandwidth can be reduced to be close to 0.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of a method of the present invention;
FIG. 2 is a left portion of a block diagram of the method of the present invention;
FIG. 3 is a right hand portion of a block diagram of the method of the present invention;
fig. 4 is a frame diagram of the set-top box sharing DVB programs according to the present invention.
Detailed Description
Embodiments of the present invention are described in detail below with reference to the accompanying drawings.
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. It should be apparent that the described embodiments are only some embodiments of the present invention, and not all embodiments. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
In addition, in the following description, specific details are provided to provide a thorough understanding of the examples. However, it will be understood by those skilled in the art that the method may be practiced without these specific details.
As shown in fig. 1 to fig. 3, wherein, as for the connection point relationship between fig. 2 and fig. 3, which is "through successful connection establishment", the present embodiment provides a processing method for network sharing DVB real-time TS streams based on p2p, including the steps of:
s1, the set-top box which is playing DVB program uploads the program playing information and the p2p penetration information to an IPTV server;
in step S1, the method for the set-top box playing DVB programs to upload the program playing information and the p2p penetration information to the IPTV server includes:
s11, firstly, acquiring TS stream of playing DVB program from recording channel;
s12, opening up two buffer queues, and performing pcr value buffering and pcr fragment buffering through the two buffer queues, as shown in fig. 4;
s13, judging whether the network condition and the signal condition exist or are good, if not, disconnecting the connection of the IPTV server and the p2p child node, repeating the step S11, if so, establishing a parent-child connection relation with the penetrating DVB program playing set-top box, wherein the current node is a parent node, and sending the pcr value of the pcr queue to the child node;
s14, waiting for receiving the request of sharing the pcr fragment by the child node, and sending the pcr fragment to the child node.
In S11, the IPTV server is connected to the recording channel after the first time interval of the program broadcasting of the standby set-top box is required before the TS stream of the DVB program is acquired from the recording channel to acquire the TS stream of the DVB program, the time interval may be 10S, the IPTV server is connected to the recording channel to transmit various ID information such as original _ network _ ID, transport _ stream _ ID, and video pid of the current program, network information, signal status information, and various IP and Port information required for p2p to penetrate through the current program, and TCP long connection and private communication protocol may be used.
S2, the set-top box watching the IPTV program accesses the IPTV server and uploads the program information request which the set-top box needs to watch, and meanwhile, the IPTV server obtains the playing information which is the same as the requested program information and watches the corresponding DVB program;
in step S2, the set-top box viewing the IPTV program starts an APP corresponding to the IPTV, and after clicking a program, sends the current program information to the IPTV server, obtains the address of the IPTV server and obtains the p2p penetration information list from the IPTV server.
S3, the IPTV server issues p2p penetration information of the set-top box watching the corresponding DVB program to the set-top box watching the IPTV program;
s4, the set-top box watching the IPTV program penetrates the set-top box watching the corresponding DVB program according to the p2p penetration information to acquire program data for playing.
In step S4, the method for acquiring program data to play by the set-top box watching the IPTV program penetrating through the set-top box watching the DVB program includes acquiring an address of the IPTV server and acquiring a p2p penetration information list from the IPTV server, and then determining whether the acquired play information is the play data acquired from the parent node playing the DVB program, if so, directly playing, otherwise, acquiring an address of the IPTV server and a pcr penetration list of the program, and acquiring a pcr fragment according to the pcr penetration list to play.
In addition, the set top box watching the IPTV program penetrates the set top box watching the corresponding DVB program according to the p2p penetration information, before program data is obtained and played, the set top box watching the IPTV program needs to send current program information to an IPTV server, obtain an address of the IPTV server, obtain a p2p penetration list from the IPTV server, and determine whether data can be obtained from the set top box watching the corresponding DVB program as a parent node at present, if not, obtain a pcr penetration list of the program from the play address of the IPTV server, obtain a pcr fragment according to the pcr penetration list for playing, and if so, obtain data from the parent node for direct playing.
It should be further noted that, when determining whether data can be currently acquired from a set top box which is a parent node and is watching a corresponding DVB program, a p2p penetration list needs to be acquired from an IPTV server to penetrate through the set top box which is watching the corresponding DVB program, and when the set top box which is watching the corresponding DVB program cannot be penetrated, all set top boxes which are watching the corresponding DVB program are penetrated according to the p2p penetration list.
If the data can be obtained from the set top box which is used as a father node and watching the corresponding DVB program at present, a p2p father-son node relation is established with the father node, the current node is a son node, a pcr list is obtained from the father node, the pcr list is compared with the currently played pcr list, after matching, a pcr value is sent to the father node, and the father node starts to sequentially send the subsequent pcr fragments from the position of the pcr and caches the pcr fragments.
Through the embodiment, the STB watching the DVB signal serves as a parent node to share program data with the STB watching the IPTV program, so that the bandwidth of the IPTV system can be greatly reduced. If the number of STBs watching the DVB signal program is larger than the number of STBs watching the IPTV program, it is theoretically possible to make the IPTV bandwidth down to nearly 0.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A processing method for sharing DVB real-time TS stream based on p2p network is characterized by comprising the following steps:
s1, the set-top box which is playing DVB program uploads the program playing information and the p2p penetration information to an IPTV server;
s2, the set-top box watching the IPTV program accesses the IPTV server and uploads the program information request which the set-top box needs to watch, and meanwhile, the IPTV server obtains the playing information which is the same as the requested program information and watches the corresponding DVB program;
s3, the IPTV server issues p2p penetration information of the set-top box watching the corresponding DVB program to the set-top box watching the IPTV program;
and S4, the set top box watching the IPTV program penetrates through the set top box watching the corresponding DVB program according to the p2p penetration information to acquire program data for playing.
2. The method as claimed in claim 1, wherein in step S1, the method for the set-top box playing the DVB program to upload the program playing information and the p2p penetration information to the IPTV server includes:
s11, firstly, acquiring TS stream of playing DVB program from recording channel;
s12, respectively caching pcr values and pcr fragments through two buffer queues;
s13, judging whether the network condition and the signal condition exist, if not, disconnecting the IPTV server connection and the p2p child node, repeating the step S11, if so, establishing a parent-child connection relation with the penetrated set top box for playing the DVB program, wherein the current node is a father node, and sending the pcr value of the pcr queue to the child node;
s14, waiting for receiving the request of sharing the pcr fragment by the child node, and sending the pcr fragment to the child node.
3. The method for processing DVB real-time TS stream sharing based on p2p network as claimed in claim 2, wherein in S11, the IPTV server is required to be connected to obtain the TS stream of the DVB program playing after the first time interval of program playing of the standby set-top box before obtaining the TS stream of the DVB program playing from the recording channel.
4. The method for processing DVB real-time TS streaming based on p2p network sharing of claim 3, wherein the connection to the IPTV server further requires sending ID information, network information, signal status information, IP and Port information required for p2p penetration.
5. The method for processing p2p network-based DVB real-time TS streaming according to claim 4, wherein in step S2, the method for obtaining the set-top box information which is the same as the requested program information and watching the corresponding DVB program by the IPTV server comprises the steps of obtaining the address of the IPTV server and obtaining the p2p penetration information list from the IPTV server.
6. The method according to claim 5, wherein in step S4, the set-top box viewing the IPTV program penetrates through the set-top box viewing the corresponding DVB program, and the method of acquiring program data for playing comprises determining whether the acquired playing information is the playing data acquired from the parent node playing the DVB program after acquiring the address of the IPTV server and acquiring the p2p penetration information list from the IPTV server, if yes, playing directly, if no, acquiring the address of the IPTV server and acquiring the pcr penetration list of the playing program, and acquiring a pcr fragment according to the pcr penetration list for playing.
7. The method as claimed in claim 6, wherein in step S4, the set-top box viewing the IPTV program penetrates the set-top box viewing the corresponding DVB program according to the p2p penetration information, before obtaining program data for playing, the set-top box viewing the IPTV program needs to send current program information to an IPTV server, obtain an address of the IPTV server, obtain a p2p penetration list from the IPTV server, and determine whether data can be currently obtained from the set-top box viewing the corresponding DVB program as a parent node, if not, obtain a pcr penetration list of the program from a playing address of the IPTV server, obtain a pcr fragment for playing according to the pcr penetration list, and if so, obtain data from the parent node for directly playing.
8. The method for processing p2 p-based network sharing DVB real-time TS stream, wherein when determining whether data can be currently acquired from a set-top box watching a corresponding DVB program as a parent node, the method needs to acquire a p2p penetration list from an IPTV server, penetrate the set-top box watching the corresponding DVB program, and penetrate all set-top boxes watching the corresponding DVB program according to the p2p penetration list when the set-top box watching the corresponding DVB program cannot be penetrated.
9. The method as claimed in claim 7, wherein if data can be currently obtained from a set-top box which is a parent node and is watching a corresponding DVB program, a p2p parent-child relationship is established with the parent node, the current node is a child node, and a pcr list is obtained from the parent node, compared with the currently played pcr list, after matching, a pcr value is sent to the parent node, and the parent node starts to sequentially send and cache subsequent pcr fragments from the pcr position.
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