CN103533389A - Video pushing method and video pushing system - Google Patents
Video pushing method and video pushing system Download PDFInfo
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- CN103533389A CN103533389A CN201310538897.9A CN201310538897A CN103533389A CN 103533389 A CN103533389 A CN 103533389A CN 201310538897 A CN201310538897 A CN 201310538897A CN 103533389 A CN103533389 A CN 103533389A
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Abstract
The invention provides a video pushing method and a video pushing system, wherein the video pushing method comprises the steps as follows: a server in the system receives a request from a terminal and issues a terminal list and video bitstream listed files to the terminal; then the server receives the video bitstream file information and a target terminal identification from the terminal; the server finds a target terminal according to the target terminal identification and directly transmits the video bitstream file information to the target terminal. The server of the system is preferentially constructed by using Netty, the terminal uses a Netty non-blocking IO mode to self-define a protocol solution, and a main thread processing terminal is accessed to create data transmission channel information; in a working thread pool, a working thread is distributed for the data transmission channel information to read the data transmission channel information, and the data transmission channel information is sent to a data channel information processing unit. The system and the method can improve the connection processing efficiency, the handling capacity is increased, and a user can achieve better video experience.
Description
Request the applicant of the present invention application number that Xiang China national Department of Intellectual Property submitted to Mays 2 in 2013 is CN201310158428.4, denomination of invention is the priority of the Chinese invention patent application of " a kind of method and system of video push ", and the full content of above-mentioned application is incorporated herein by reference.
Technical field
The present invention relates to a kind of method and system of video push, belong to video push field.
Background technology
Adopt video push, can realize the video of a plurality of terminal rooms and share, for example, terminal can, by configure appointed information on named web page, be controlled the download function of another terminal video to download certain section of designated.For example: the video frequency program of liking is seen by user Jia office, the TV that this user can control in this user family by video push function is downloaded this video, can be by this video frequency program of television-viewing after in user goes back home, therefore video push makes user obtain better multimedia video experience, has enriched user's multimedia life.
At present, the system that realizes of video push generally comprises at least one station server and a plurality of terminal.Wherein, user can control by current terminal landing webpage the various functions of target terminal, for example download function of target terminal.Server is generally the http-server that adopts tomcat or resin to build.Target terminal is a multimedia terminal, for example, television set, this target terminal adopts and blocks IO mode, and described target terminal, can regularly go described server lookup whether to have new data, if new data can obtain new data.Yet there is following defect in prior art:
First, great majority adopt the also application that application, particularly transferring content are few and concurrency is very high of inapplicable lightweight of server that tomcat or resin build; Secondly, easily cause poor user experience, because target terminal just goes server lookup whether to have data every a period of time, how long interval goes poll to become problem, because performance and instantaneity have caused serious inverse relation, interval is too short, continuously request can increase server stress, interval is oversize, and the new data on server just needs more time could arrive client, poor user experience; The 3rd, target terminal polling efficiency is low, because transmit data at every turn, all will set up new connection, in actual conditions, connects and conventionally need to spend the considerable time; The 4th, adopt obstruction IO to cause server efficiency low.The feature of block type network I/O is: multithreading is processed a plurality of connections.Each thread has the stack space of oneself and takies some CPU times.Each thread runs into outside unripe time, all can block to fall.The result of blocking is exactly to bring a large amount of process contexts to switch.And it may be insignificant that most of process context switches.Such as thread of hypothesis is monitored a port, the request several times that only has for a day is come in, but this cpu has nothing for it but, this thread is constantly done context switching trial, and most switching comes to an end to block.Also have open defect can not support high concurrent connection number exactly.Therefore adopt obstruction IO can cause server efficiency low, owing to there is no packaged connection, it is large that each connects committed memory, affects server performance, can not process more linking number simultaneously.
In sum, overweight, the server inefficiency of video push inefficiency, the server load in video push work, can not to hold well high concurrent connection number be the problem facing in prior art.
Summary of the invention
The present invention is intended to solve multimedia terminal equipment deficiency, by video push, strengthens multimedia terminal equipment interaction and data sharing experience.Particularly, the problem to be solved in the present invention comprises: one, solve multimedia terminal equipment for the adaptation with video code rate of sharing of video resource; Two, solve the mutual real time problems in multimedia terminal, user obtains better video tastes; Three, solve the shortcoming that conventional video push server is not supported high concurrency application, make Video service can support the linking number that more whiles are online, and do not take too many internal memory.
For this reason, the invention provides following technical scheme:
A method for video push, comprises the steps: A: server receives the request of self terminal, and described request comprises terminal list and video code flow listed files; B: server issues described terminal list and the described video code flow listed files after processing to described terminal; C: corresponding video code flow fileinfo and the target terminal sign of video code flow file that server receives self terminal to select; D: server finds described target terminal according to described target terminal sign, and directly described video code flow fileinfo is sent to described target terminal.
On the other hand, the present invention also provides a kind of method of video push, comprise the following steps: step 1, server are received first terminal and certain video content be pushed to after the video push request of the second terminal, and the terminal iidentification of described the second terminal and the video code flow fileinfo of described video content are resolved and obtained to described video push request level; Step 2, server find described the second terminal and the video code flow fileinfo of described video content are sent to described the second terminal according to the sign of described the second terminal; Step 3, described server receive the request of the described video content of broadcasting of described the second terminal transmission; Step 4, server receive after the video request of described the second terminal, described server sends the broadcast address of the video content of optimal video code check to described the second terminal, or, according to the network condition between described server and described the second terminal, select the video content of optimal video code check to be sent to described the second terminal.
In addition, the present invention also provides a kind of video push system, comprises server and at least one terminal, and described server issue video push webpage, is characterized in that: between described terminal and terminal, adopt direct-connected; Between described terminal and server, adopt Non-Blocking I/O mode to be connected; Described server is according to the IP address of each terminal, or physical space sign classifies to terminal, to each Terminal Type, all provides a terminal list, synchronization, and each terminal is all only in a terminal list.
Described server is issued to described terminal by terminal list and video code flow listed files, and described terminal list comprises all other-end information of successfully logining described server.Described terminal list at least comprises terminal iidentification, end packet, and the information such as terminal connection status.
The present invention shares by the video between terminal equipment, video code rate is selected, propelling movement target terminal is selected, terminal room video push, the configuration of video push server, can play following useful technique effect: the one, multimedia terminal equipment can be for the intact adaptation with video code rate of sharing of video resource, the 2nd, the mutual real-time in multimedia terminal is good, the 3rd, video push server is supported high concurrency application, make Video service can support the linking number that more whiles are online, and do not take too many internal memory, user obtains better video tastes.
Accompanying drawing explanation
Fig. 1 is the flow chart of video push processing method of the present invention;
The schematic diagram of the NIO processing mode that Fig. 2 provides for Netty;
Fig. 3 is the schematic diagram of video push system of the present invention.
Embodiment
Below will describe preferred embodiment of the present inventionly, those skilled in the art should be understood that these execution modes nonrestrictive.
In the first execution mode of the present invention, a kind of method of having shown video push, as Fig. 1, the method in turn includes the following steps:
A: server receives the request of self terminal, described request comprises terminal list and video code flow listed files;
B: server issues described terminal list and the described video code flow listed files after processing to described terminal;
C: corresponding video code flow fileinfo and the target terminal sign of video code flow file that server receives self terminal to select;
D: server finds described target terminal according to described target terminal sign, and directly described video code flow fileinfo is sent to described target terminal.
In more detail, the first list of terminal to server requesting terminal and video code flow listed files, then server receiving terminal request, issues terminal list and the video code flow listed files after processing to terminal; Terminal is obtained terminal list and the video code flow listed files after processing, selects after the video code flow file and target terminal of wish propelling movement, and video code flow fileinfo and target terminal sign are sent to server; Server finds target terminal and directly video code flow fileinfo is sent to target terminal according to target terminal sign; Target terminal receives after video code flow fileinfo, carry out self hard drive space analysis and resolve video code flow fileinfo, afterwards, broadcast address to the video code rate of this terminal of server request optimum, and open the video content of this address of player plays, or server selects the video resource of best video code check to be sent to target terminal according to the network condition between itself and target terminal; Target terminal returns to the result of video push.
More preferably, in steps A, described terminal is passed through video push webpage to server request terminal list, video code flow listed files; Server described in described method step B issues also display terminal list, video code flow listed files by described video push webpage.Described terminal list comprises terminal iidentification, end packet, and the information such as terminal connection status.
In step C, after terminal is obtained described terminal list, meeting is carried out local direct-connected test and records direct-connected state with the other-end in list; Described direct connection status comprises and connecting normally and connection failure; When direct-connected, when normal, described terminal and described other-end are by udp protocol communication; And when direct-connected when failed, described terminal and described other-end be by tcp and described server communication, and forward communication protocol by described server.
Without limitation, described video code flow fileinfo comprises: video labeling, code stream.
In an application, described video push webpage adopts input and output NIO technological development framework Netty to build.
In order to support to process more request, to the invention provides simultaneously, provide described Netty that NIO processing mode is provided, as Fig. 2, having comprised:
A1. described Netty goes to process the access of client with a main thread, sets up data transmission channel information;
A2. in the worker thread pond for the treatment of described data transmission channel information, be worker thread of described data transmission channel information distribution, the worker thread quantity that described worker thread pond comprises is the specified multiple of central processing unit check figure;
A3. assignment thread reads in described data transmission channel information, described data transmission channel information is sent to data channel information process unit and processes.
As shown in Figure 3, the present invention has also shown a kind of video push system, comprise at least one server and a plurality of terminal, described terminal comprises: at least one the computer with display screen, at least one the mobile communication terminal with display screen, at least one the TV with display screen.Described server adopts input and output NIO technological development framework Netty to build video push webpage, between described a plurality of terminals, adopts direct connected mode, and described terminal adopts Netty Non-Blocking I/O mode to connect described server.
It is that joint efficiency is high that described terminal adopts the advantage of Non-Blocking I/O connection server, and throughput is high.Because unblock formula IO is based on reactor pattern, for the separated architecture mode with assigning of event multichannel, so can utilize thread pool to process.Popular says: event has just been processed, and processing is over just gives back thread.And conventional congestion mode can not be processed with thread pool, suppose current 10000 connections that have, unblock mode may just have been settled with the thread pool of 1000 threads, and conventional congestion mode just need to open 10000 and process, so conventional congestion mode will there will be the situation of inadequate resource.
Described server carries out Classification Management to each terminal, to each Terminal Type, all provide a terminal list, synchronization, each terminal is all only in a terminal list, server is according to the IP address of each terminal, or physical space sign is classified to described terminal.
First, described terminal login video push webpage.
Described terminal is successfully logined after described video push webpage, and described terminal is to described server request terminal list, video code flow listed files, and described server is issued to described terminal by terminal list and video code flow listed files.Described terminal list comprises all other-ends of successfully logining video push webpage.Described terminal list at least comprises terminal iidentification, end packet, and the information such as terminal connection status.Described terminal is obtained after described terminal list, described terminal is presented on the other-end in described terminal list on the display screen of described terminal, and carry out local direct-connected test with the described other-end in list, and recording the direct-connected state of other-end described in each, described direct connection status comprises and connects normal and connection failure.When described terminal is communicated by letter with described other-end, according to connection status, select communication mode.In the present embodiment, when direct-connected, when normal, described terminal and described other-end, by udp protocol communication, can make more real-time alternately; And when direct-connected when failed, described terminal and described other-end be by tcp and described server communication, and forward communication protocol by described server.
Preferably, described server is received first terminal and certain video content is pushed to after the video push request of the second terminal, the terminal iidentification of described the second terminal and the video code flow fileinfo of described video content are resolved and obtained to described server by described video push request level, and described server finds described the second terminal and the video code flow fileinfo of described video content is sent to described the second terminal according to the described terminal iidentification of described the second terminal; Described the second terminal sends the request of playing described video content to described server, described server receives after the video request of described the second terminal, described server sends the broadcast address of the video content of optimal video code check to described the second terminal, or, according to the network condition between described server and described the second terminal, select the video content of optimal video code check to be sent to described the second terminal.
For example, when described server, receiving terminal A is pushed to certain video content after the video push request of terminal B, the terminal iidentification of described terminal B and the video code flow fileinfo of described video content are resolved and obtained to described server by described video push request level, and described server finds described terminal B and the video code flow fileinfo of described video content is sent to described terminal B according to the sign of described terminal B; Described terminal B sends the request of playing described video content to described server, described server receives after the video request of described terminal B, described server sends the broadcast address of the video content of optimal video code check to described terminal B, or, according to the network condition between described server and described terminal B, select the video content of optimal video code check to be sent to described terminal B.
In addition, described terminal sends heartbeat report, 30 seconds described time intervals every certain time interval to server.
To the application of the present invention in actual environment be described by two specific embodiments below.
Embodiment 1
It is example that the computer end of take pushes to TV end the film " transformer " that resolution is 1080P, and its implementation procedure should comprise the steps:
A: TV end, the login of computer end invoke user center;
B: TV end, after computer end invoke user center logins successfully, TV end, computer end are sent connection request to dispatch server, and dispatch server is to TV end, computer end return service device address;
C: TV end is set up socket according to described server address and server and is connected, and realize long connection by heartbeat;
D: computer end sends the request that pushes " transformer " film to TV end to server, server receives after the request of propelling movement " transformer " film of computer end, and the display screen by all terminal lists of successful game server and the video code flow listed files that can push by computer end offers user and selects for user;
E: after user chooses " transformer " film and target TV end, computer sends to server the ASCII stream file ASCII information of " transformer " film and TV end sign;
F: server is received after the ASCII stream file ASCII information of described TV end sign and " transformer " film, found TV end and directly the ASCII stream file ASCII information of " transformer " film sent to TV end according to TV end sign;
G: TV termination is received after the ASCII stream file ASCII information of " transformer " film, carry out the ASCII stream file ASCII information of self hard drive space analysis parsing " transformer " film, afterwards, to the broadcast address of the video code rate of server request TV end optimum, and open the video content of this address of player plays; .
F: TV end returns to the result that this " transformer " film pushes.
Embodiment 2
It is example that the mobile phone terminal of take pushes to TV end the film " transformer " that resolution is 1080P, and its implementation procedure should comprise the steps:
A, mobile phone terminal, the login of TV end invoke user center;
After B, mobile phone terminal, TV end invoke user center login successfully, mobile phone terminal, TV end send connection request to dispatch server, dispatch server is to mobile phone terminal, TV end return service device address, otherwise, if mobile phone terminal, TV end login failure proceeds to user registration module;
Online and whether C, server detect whether external hard drive of TV end, if TV end is online and connected external hard drive and enter next step, otherwise if TV end external hard drive online but not, access arrangement is bought bootstrap module.
Whether D, server detection TV end have the copyright of movie " transformer ", if there is copyright, enter next step, otherwise, carry out no copyright prompting.
Whether the set meal that E, server detect TV end order comprises film " transformer ", if comprised, enters next step, otherwise, carry out nothing and order set meal prompting.
F, server detect the ASCII stream file ASCII information that whether comprises film " transformer " in server, if comprised, enter next step, otherwise prompting is without available downloads.
G, TV end are set up socket according to described server address and server and are connected, and realize long connection by heartbeat;
H, mobile phone terminal send the request that pushes " transformer " film to TV end to server, server receives after the request of propelling movement " transformer " film of mobile phone terminal, and the display screen by all terminal lists of successful game server and the video code flow listed files that can push by mobile phone terminal offers user and selects for user;
I, after user chooses " transformer " film and target TV end, mobile phone sends to server the ASCII stream file ASCII information of " transformer " film and TV end sign;
J, server are received after the ASCII stream file ASCII information of described TV end sign and " transformer " film, according to TV end sign, are found TV end and directly the ASCII stream file ASCII information of " transformer " film sent to TV end;
K, TV termination are received after the ASCII stream file ASCII information of " transformer " film, carry out the ASCII stream file ASCII information of self hard drive space analysis parsing " transformer " film, afterwards, server selects " transformer " film of best video code check to be sent to TV end according to the network condition between itself and TV end;
L, TV end return to the result that this " transformer " film pushes.
The present invention shares by the video between terminal equipment, video code rate is selected, propelling movement target terminal is selected, terminal room video push, the configuration of video push server, can play following useful technique effect: the one, multimedia terminal equipment can be for the intact adaptation with video code rate of sharing of video resource, the 2nd, the mutual real-time in multimedia terminal is good, the 3rd, video push server is supported high concurrency application, make Video service can support the linking number that more whiles are online, and do not take too many internal memory, user obtains better video tastes.
Claims (10)
1. a method for video push, comprises the steps:
A: the request that server receiving terminal sends, described request comprises terminal list and video code flow listed files;
B: after server process described request, issue described terminal list and the described video code flow listed files after processing to described terminal;
C: corresponding video code flow fileinfo and the target terminal sign of video code flow file that server receives self terminal to select;
D: server finds described target terminal according to described target terminal sign, and directly described video code flow fileinfo is sent to described target terminal.
2. the method for claim 1, is characterized in that, in steps A, and the request that described server receiving terminal sends by video push webpage; In described step B, described server issues after described terminal list and described video code flow listed files to described terminal, by described terminal, passes through described video push web page display.
3. the method for claim 1, is characterized in that, in described method step B, described terminal list comprises terminal iidentification, end packet and terminal connection state information.
4. the method for claim 1, it is characterized in that, at described method step B, further comprise, to described terminal, issue after described terminal list and described video code flow listed files, the other-end in described terminal and list carries out local direct-connected test and records direct-connected state.
5. method as claimed in claim 4, is characterized in that, when the other-end in described terminal and list carries out the direct-connected test in this locality, if test direct-connected normally, this terminal and other-end pass through udp protocol communication; If test direct-connected failure, this terminal and other-end be by tcp and server communication, and forward communication protocol by described server.
6. method as claimed in claim 2, is characterized in that, described video push webpage adopts the Netty framework of NIO to build realization.
7. a method for video push, comprises the following steps:
Step 1, server are received first terminal and designated content are pushed to after the video push request of the second terminal, by described video push request and parsing and obtain the terminal iidentification of described the second terminal and the video code flow fileinfo of described video content;
Step 2, server find described the second terminal and the video code flow fileinfo of described video content are sent to described the second terminal according to the sign of described the second terminal;
Step 3, described server receive the request of the described video content of broadcasting of described the second terminal transmission;
Step 4, server receive after the video request of described the second terminal, described server sends the broadcast address of the video content of optimal video code check to described the second terminal, or, according to the network condition between described server and described the second terminal, select the video content of optimal video code check to be sent to described the second terminal.
8. a video push system, comprises server and at least one terminal, and described server issue video push webpage, is characterized in that,
Between described terminal and terminal, adopt direct-connected; Between described terminal and server, adopt Non-Blocking I/O mode to be connected;
Described server is according to the IP address of each terminal, or physical space sign classifies to terminal, to each Terminal Type, all provides a terminal list, synchronization, and each terminal is all only in a terminal list.
9. video push system as claimed in claim 8, it is characterized in that, described server is issued to described terminal by terminal list and video code flow listed files, described terminal list comprises all other-end information of successfully logining described server, described terminal list at least comprises terminal iidentification, end packet, and the information such as terminal connection status.
10. video push system as claimed in claim 8, is characterized in that,
Described server is received first terminal and certain video content is pushed to after the video push request of the second terminal, and the terminal iidentification of described the second terminal and the video code flow fileinfo of described video content are resolved and obtained to described video push request level;
Server finds described the second terminal and the video code flow fileinfo of described video content is sent to described the second terminal according to the sign of described the second terminal;
Described server receives the request of the described video content of broadcasting of described the second terminal transmission;
Server receives after the video request of described the second terminal, described server sends the broadcast address of the video content of optimal video code check to described the second terminal, or, according to the network condition between described server and described the second terminal, select the video content of optimal video code check to be sent to described the second terminal.
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