CN110234020A - Video broadcasting method and device - Google Patents
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- CN110234020A CN110234020A CN201810183342.XA CN201810183342A CN110234020A CN 110234020 A CN110234020 A CN 110234020A CN 201810183342 A CN201810183342 A CN 201810183342A CN 110234020 A CN110234020 A CN 110234020A
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Classifications
-
- 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
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/239—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
- H04N21/2393—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
-
- 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
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2541—Rights Management
-
- 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
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26291—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for providing content or additional data updates, e.g. updating software modules, stored at the client
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- H—ELECTRICITY
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- 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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
- H04N21/64723—Monitoring of network processes or resources, e.g. monitoring of network load
- H04N21/6473—Monitoring network processes errors
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- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/8547—Content authoring involving timestamps for synchronizing content
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/858—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot
- H04N21/8586—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot by using a URL
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Databases & Information Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Human Computer Interaction (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
This disclosure relates to a kind of video broadcasting method and device.This method comprises: obtaining the broadcast address of video corresponding with on-demand request in response to the on-demand request to video；According to broadcast address, obtain the video data of the video, wherein, video data is the video data of the encryption transmitting messages in real time agreement RTMPE transmission based on adjustment flow control limitation, and flow control limitation is that the upper limit of limiting terminal equipment buffered video data amount is used in RTMPE；Play the video data.According to the embodiment of the present disclosure; by in response to the on-demand request to video; obtain the broadcast address of video corresponding with on-demand request; according to broadcast address; the video data of the video of the RTMPE transmission based on adjustment flow control limitation is obtained, and plays the video data, passes through the encryption using RTMPE to video data transmission channel; the video data of transmission is preferably protected, to realize the copyright protection to order video at lower cost.
Description
Technical field
This disclosure relates to field of computer technology more particularly to a kind of video broadcasting method and device.
Background technique
With the awakening of Copyright Awareness, each video platform has more and more copyright videos, for example, shooting is all kinds of only
Broadcast the copyright video etc. that acute, payment great number copyright fee is bought.User can watch each video platform in several ways
Copyright video, for example, can be with webpage viewing, the viewing of tablet computer video software etc..
Summary of the invention
In view of this, can be realized at lower cost to video the present disclosure proposes a kind of video broadcasting method and device
Copyright protection.
According to the one side of the disclosure, a kind of video broadcasting method is provided, is applied in terminal device, the method packet
It includes:
In response to the on-demand request to video, the broadcast address of video corresponding with the on-demand request is obtained；
According to the broadcast address, the video data of the video is obtained, wherein the video data is based on adjustment stream
The encryption transmitting messages in real time agreement RTMPE (Real Time Messaging Protocol Encryption) of control limitation is passed
Defeated video data, the flow control limitation are that the upper limit of limiting terminal equipment buffered video data amount is used in RTMPE；
Play the video data.
In one possible implementation, the adjustment flow control limitation includes setting in removal RTMPE for limiting terminal
For in the upper limit of limiting terminal equipment buffered video data amount in the upper limit and increase RTMPE of standby buffered video data amount
It is at least one.
In one possible implementation, the broadcast address of video corresponding with the on-demand request is obtained, comprising:
Send the acquisition request to the broadcast address of the video to Play Server, the acquisition request include with it is described
The relevant parameter information of on-demand request, the parameter information is used for so that the Play Server is according to the parameter information, life
At key and determine broadcast address；
The broadcast address and key that the Play Server returns are received,
Wherein, video data corresponding with the broadcast address is obtained, comprising:
Video playing request is sent to content distributing network CDN server, the video playing request includes the broadcasting
Address and the key, the broadcast address and the key are used for so that the CDN server is according to the broadcasting ground
Location and the key are authenticated；
Receive the video data that the CDN server is sent.
In one possible implementation, the method also includes:
Cache the video data not played；
According to time of the key frame of the picture group GOP (Group Of Picture) of the video data of caching and described
The buffer address information of key frame, determines concordance list.
In one possible implementation, the method also includes:
In response to the positioning playing request of video described in positioning playing, determine that the positioning playing requests the corresponding view
The temporal information of frequency；
Whether judge in the concordance list comprising the temporal information；
When comprising the temporal information, according to the concordance list, the corresponding buffer address letter of the temporal information is determined
Breath；
Play the corresponding video data of the buffer address information.
In one possible implementation, the method also includes:
Judge whether to meet cache cleaner condition；
When meeting cache cleaner condition, clears up the video data of caching and update the concordance list.
In one possible implementation, judge whether to meet cache cleaner condition, comprising:
When the video data of caching finishes or the frequency of positioning playing request is greater than or equal to frequency threshold, sentence
It is disconnected to meet cache cleaner condition.
According to another aspect of the present disclosure, a kind of video broadcasting method is provided, is applied in CDN server, the side
Method includes:
In the video playing request for receiving terminal device transmission, the broadcasting that includes according to video playing request
Location and key are authenticated；
When authenticating successfully, encryption transmitting messages in real time agreement RTMPE, the Xiang Suoshu terminal based on adjustment flow control limitation is set
Preparation send the video data of the broadcast address, wherein the flow control limitation is in RTMPE for limiting terminal equipment caching view
The upper limit of frequency data volume.
In one possible implementation, the adjustment flow control limitation includes setting in removal RTMPE for limiting terminal
For in the upper limit of limiting terminal equipment buffered video data amount in the upper limit and increase RTMPE of standby buffered video data amount
It is at least one.
According to another aspect of the present disclosure, a kind of video play device is provided, is applied in terminal device, described device
Include:
Broadcast address obtains module, for obtaining corresponding with the on-demand request in response to the on-demand request to video
The broadcast address of video；
Video data obtains module, for obtaining the video data of the video, wherein institute according to the broadcast address
State the video data that video data is the encryption transmitting messages in real time agreement RTMPE transmission based on adjustment flow control limitation, the stream
Control limitation is that the upper limit of limiting terminal equipment buffered video data amount is used in RTMPE；
First playing module, for playing the video data.
In one possible implementation, the adjustment flow control limitation includes setting in removal RTMPE for limiting terminal
For in the upper limit of limiting terminal equipment buffered video data amount in the upper limit and increase RTMPE of standby buffered video data amount
It is at least one.
In one possible implementation, the broadcast address acquisition module includes:
Acquisition request sending submodule, for being asked to Play Server transmission to the acquisition of the broadcast address of the video
It asks, the acquisition request includes parameter information relevant to the on-demand request, and the parameter information is used for so that the broadcasting
Server generates key and determines broadcast address according to the parameter information；
Receiving submodule, for receiving the broadcast address and key that the Play Server returns,
Wherein, the video data acquisition module includes:
Request-to-send submodule, for sending video playing request to content distributing network CDN server, the video is broadcast
Putting request includes the broadcast address and the key, and the broadcast address and the key are used for so that the CDN takes
Business device is authenticated according to the broadcast address and the key；
Video data receiving submodule, the video data sent for receiving the CDN server.
In one possible implementation, described device further include:
Cache module, for caching the video data not played；
Concordance list determining module, for according to the key frame of the picture group GOP of the video data of caching time and institute
The buffer address information for stating key frame, determines concordance list.
In one possible implementation, described device further include:
Temporal information determining module, for the positioning playing request in response to video described in positioning playing, it is described fixed to determine
The temporal information of the corresponding video of position playing request；
First judgment module, for whether judging in the concordance list comprising the temporal information；
Information determination module, for according to the concordance list, determining the temporal information when comprising the temporal information
Corresponding buffer address information；
Second playing module, for playing the corresponding video data of the buffer address information.
In one possible implementation, described device further include:
Second judgment module meets cache cleaner condition for judging whether；
Processing module, for when meeting cache cleaner condition, clearing up the video data of caching and updating the concordance list.
In one possible implementation, second judgment module includes:
Judging submodule, finishes for the video data in caching or the frequency of positioning playing request is greater than or waits
When frequency threshold, judgement meets cache cleaner condition.
According to another aspect of the present disclosure, a kind of video play device is provided, is applied in CDN server, the dress
It sets and includes:
Authentication module, for being asked according to the video playing in the video playing request for receiving terminal device transmission
Ask including broadcast address and key authenticated；
Video data sends module, the encryption transmitting messages in real time for being limited based on adjustment flow control when authenticating successfully
Agreement RTMPE, Xiang Suoshu terminal device sends the video data of the broadcast address, wherein the flow control limitation is in RTMPE
The upper limit for limiting terminal equipment buffered video data amount.
In one possible implementation, the adjustment flow control limitation includes setting in removal RTMPE for limiting terminal
For in the upper limit of limiting terminal equipment buffered video data amount in the upper limit and increase RTMPE of standby buffered video data amount
It is at least one.
According to another aspect of the present disclosure, a kind of video play device is provided, comprising: first processor；For storing
The first memory of first processor executable instruction；Wherein, the first processor is configured as executing the above method.
According to another aspect of the present disclosure, a kind of non-volatile computer readable storage medium storing program for executing is provided, is stored thereon with
Computer program instructions, wherein the computer program instructions realize above-mentioned video broadcasting method when being executed by first processor.
According to another aspect of the present disclosure, a kind of video play device is provided, comprising: second processor；For storing
The second memory of second processor executable instruction；Wherein, the second processor is configured as executing the above method.
According to another aspect of the present disclosure, a kind of non-volatile computer readable storage medium storing program for executing is provided, is stored thereon with
Computer program instructions, wherein the computer program instructions realize above-mentioned video broadcasting method when being executed by second processor.
According to the embodiment of the present disclosure, by obtaining video corresponding with on-demand request in response to the on-demand request to video
Broadcast address the video data of the video of the RTMPE transmission based on adjustment flow control limitation is obtained according to broadcast address, and
The video data is played, by the encryption using RTMPE to video data transmission channel, preferably protects the video counts of transmission
According to realize the copyright protection to order video at lower cost.
According to below with reference to the accompanying drawings to detailed description of illustrative embodiments, the other feature and aspect of the disclosure will become
It is clear.
Detailed description of the invention
Comprising in the description and constituting the attached drawing of part of specification and specification together illustrates the disclosure
Exemplary embodiment, feature and aspect, and for explaining the principles of this disclosure.
Fig. 1 is a kind of flow chart of video broadcasting method shown according to an exemplary embodiment.
Fig. 2 is a kind of flow chart of video broadcasting method shown according to an exemplary embodiment.
Fig. 3 is a kind of flow chart of video broadcasting method shown according to an exemplary embodiment.
Fig. 4 is a kind of schematic diagram of the data organization form of RTMPE transmission shown according to an exemplary embodiment.
Fig. 5 is a kind of schematic diagram of memory model shown according to an exemplary embodiment.
Fig. 6 is a kind of schematic diagram of concordance list shown according to an exemplary embodiment.
Fig. 7 is a kind of flow chart of video broadcasting method shown according to an exemplary embodiment.
Fig. 8 is a kind of flow chart of video broadcasting method shown according to an exemplary embodiment.
Fig. 9 is a kind of flow chart of video broadcasting method shown according to an exemplary embodiment.
Figure 10 is a kind of flow chart of video broadcasting method shown according to an exemplary embodiment.
Figure 11 is a kind of schematic diagram of the application scenarios of video broadcasting method shown according to an exemplary embodiment.
Figure 12 is a kind of block diagram of video play device shown according to an exemplary embodiment.
Figure 13 is a kind of block diagram of video play device shown according to an exemplary embodiment.
Figure 14 is a kind of block diagram of video play device shown according to an exemplary embodiment.
Figure 15 is a kind of block diagram of video play device shown according to an exemplary embodiment.
Figure 16 is a kind of block diagram of video play device shown according to an exemplary embodiment.
Specific embodiment
Various exemplary embodiments, feature and the aspect of the disclosure are described in detail below with reference to attached drawing.It is identical in attached drawing
Appended drawing reference indicate element functionally identical or similar.Although the various aspects of embodiment are shown in the attached drawings, remove
It non-specifically points out, it is not necessary to attached drawing drawn to scale.
Dedicated word " exemplary " means " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.
In addition, giving numerous details in specific embodiment below to better illustrate the disclosure.
It will be appreciated by those skilled in the art that without certain details, the disclosure equally be can be implemented.In some instances, for
Method, means, element and circuit well known to those skilled in the art are not described in detail, in order to highlight the purport of the disclosure.
Fig. 1 is a kind of flow chart of video broadcasting method shown according to an exemplary embodiment.This method can be applied to
In terminal device, for example, mobile phone, tablet computer etc., the disclosure to this with no restriction.As shown in Figure 1, according to the embodiment of the present disclosure
Video broadcasting method include:
In step s101, in response to the on-demand request to video, broadcasting for video corresponding with the on-demand request is obtained
Put address；
In step s 102, according to the broadcast address, the video data of the video is obtained, wherein the video counts
According to the video data for being the encryption transmitting messages in real time agreement RTMPE transmission based on adjustment flow control limitation, the flow control limitation is
The upper limit of limiting terminal equipment buffered video data amount is used in RTMPE；
In step s 103, the video data is played.
According to the embodiment of the present disclosure, by obtaining video corresponding with on-demand request in response to the on-demand request to video
Broadcast address the video data of the video of the RTMPE transmission based on adjustment flow control limitation is obtained according to broadcast address, and
Play the video data.By the encryption using RTMPE to video data transmission channel, the video data of transmission can protect,
Preferably ensure that video data, RTMPE are not necessarily to authentication management, so that it is smaller and can be simultaneously to play framework change to front and back end
Mobile terminal and the full link of page end are covered, in addition, the video data of the video of the RTMPE transmission based on adjustment flow control limitation,
It can guarantee that order video has and play success rate compared with high, Caton rate is lower, Caton accounting is small, independent error rate is few and can be real
The existing second such as broadcasts at the preferable broadcast performance, realizes at lower cost to the copyright protection of order video.
For example, certain video of user's program request video platform, for example, user passes through webpage or mobile video application
Program program request video, terminal device obtain video corresponding with the on-demand request in response to the on-demand request to video
Broadcast address.
Fig. 2 is a kind of flow chart of video broadcasting method shown according to an exemplary embodiment.In a kind of possible reality
In existing mode, as shown in Fig. 2, step S101 may include:
In step S1011, the acquisition request to the broadcast address of the video, the acquisition are sent to Play Server
Request includes parameter information relevant to the on-demand request, and the parameter information is used for so that the Play Server is according to institute
Parameter information is stated, key is generated and determines broadcast address；
In step S1012, the broadcast address and key that the Play Server returns are received.
For example, terminal device can send the acquisition request to the broadcast address of the video to Play Server,
To obtain the broadcast address of video corresponding with the on-demand request.For example, terminal device can be to universal playing server UPS
(Universal Play Service) sends the acquisition request to the broadcast address of the video, the acquisition request include with
The relevant parameter information of the on-demand request, it may for example comprise Userid (user account for representing order video), Ccode (are represented
The source of on-demand request, for example, from webpage or terminal device etc.), Utid (terminal device for representing order video),
Vid (the video account of program request) and Timestamp (program request temporal information) etc..Play Server can according to parameter information,
It generates key and determines broadcast address.For example, Play Server can sign according to parameter information generates key, and determine program request
Request the broadcast address of corresponding video.For example, Play Server determines the unified money of multiple fragments of the video of user's program request
Source finger URL URL (Uniform Resource Locator), the i.e. broadcast address of the corresponding video of on-demand request.
Terminal device can receive the broadcast address and key of Play Server return, for example, receiving Play Server
The URL and key of the multiple fragments returned.In this way, terminal device is in response to user to the on-demand request of video, acquisition and institute
The broadcast address of the corresponding video of on-demand request is stated, to play corresponding video.
It will be understood by those skilled in the art that parameter information relevant to the on-demand request may include diversified forms, and
It can customize, Play Server may include diversified forms, as long as can generate key according to parameter information and determine broadcasting ground
Location determines broadcast corresponding with the acquisition request of broadcast address for example, can generate key according to many kinds of parameters Information Signature
Put address etc., the disclosure to this with no restriction.
Terminal device is after the broadcast address for getting video corresponding with the on-demand request, according to the broadcast address,
Obtain the video data of the video, wherein the video data is the encryption transmitting messages in real time based on adjustment flow control limitation
The video data of agreement RTMPE transmission, the flow control limitation are in RTMPE for limiting terminal equipment buffered video data amount
The upper limit (step S102).
In one possible implementation, as shown in Fig. 2, step S102 may include:
In step S1021, video playing request is sent to content distributing network CDN server, the video playing is asked
It asks including the broadcast address and the key, the broadcast address and the key are used for so that the CDN server
It is authenticated according to the broadcast address and the key；
In step S1022, the video data that the CDN server is sent is received.
For example, terminal device can send video playing request to CDN server, and the video playing request includes
The broadcast address and the key, the broadcast address and the key are used for so that the CDN server is according to institute
It states broadcast address and the key is authenticated.For example, CDN server is signed according to key, and and Play Server
When determining that parameter information is consistent after verification, CDN server authenticates successfully the broadcast address, and CDN server can start to end
End equipment sends corresponding video data.Terminal device can receive the video data of CDN server transmission, to obtain the video
Video data.
In this way, broadcast address and key can be authenticated by CDN server, it is ensured that authorized user
It plays, authorizing procedure is simple, relies on factors such as networks compared with small, checking time is few, and it is higher to verify success rate, to effectively prevent
Only distort, seize on both sides by the arms, stealing the generation of the case where chain.It will be understood by those skilled in the art that terminal device can root in several ways
According to the broadcast address, the video data of the video is obtained.In addition, the mode of authentication also may include diversified forms, for example,
It can be white authentication as it was noted above, CDN server is authenticated according to the broadcast address and the key, also can be set
List can also pass through the authentication mode of RTMPE agreement itself, it is ensured that authorized user plays.For example, being carried out to each request
SWF (Shock Wave Flash) verifying.For example, terminal device and server all download SWF file, and calculate cryptographic Hash.Clothes
Business device sends terminal device and checking request and verifies to the cryptographic Hash that it is returned, and is verified, and authenticates successfully etc., only
Want that authentication can be passed through, it is ensured that authorized user play video, the disclosure to this with no restriction.
It should be noted that it is based on adjustment flow control limit that terminal device, which receives the video data that the CDN server is sent,
The video data of the encryption transmitting messages in real time agreement RTMPE transmission of system, the flow control limitation are in RTMPE for limiting terminal
The upper limit of equipment buffered video data amount.For example, CDN server is after authenticating successfully broadcast address, prepare to start to
Terminal device sends the video data of the video, and terminal device prepares to receive the video data that CDN server is sent.
In one possible implementation, terminal device can shake hands according to the transmission channel of RTMPE protocol definition
Journey is shaken hands with CDN server, and starts the transmission of video data.
For example, after CDN server authenticates successfully, CDN server and terminal device can be according to RTMPE agreements
The transmission channel handshake procedure of definition is shaken hands, to establish an effective RTMPE connection, and starts the biography of video data
It is defeated.In this way, the encryption that can use RTMPE agreement it is fast, without authentication management and it is high-efficient the features such as, realize video data
Transmission.The mode and process that the disclosure shakes hands to terminal device and CDN server are with no restriction.
Wherein, video data is the video of the encryption transmitting messages in real time agreement RTMPE transmission based on adjustment flow control limitation
Data, the flow control limitation are that the upper limit of limiting terminal equipment buffered video data amount is used in RTMPE.For example, RTMPE
For a kind of live streaming agreement, in live play, server needs to send video data according to the broadcasting speed of live video, so that
Video data receiving end is synchronous with video data transmitting terminal, is used for limiting terminal equipment buffered video number for this purpose, existing in RTMPE
According to the upper limit of amount, to guarantee that video data receiving end is synchronous with video data transmitting terminal.For example, there are limiting terminals in RTMPE
Certain parameter of the upper limit of equipment buffered video data amount, the parameter are the parameter of flow control limitation.It is limited by adjusting the flow control of RTMPE
System, it is ensured that the video data rapidly transmission between CDN server and terminal device improves the utilization of transmission bandwidth
Rate, to guarantee high-quality, without Caton play-on-demand video.
In one possible implementation, the adjustment flow control limitation includes setting in removal RTMPE for limiting terminal
For in the upper limit of limiting terminal equipment buffered video data amount in the upper limit and increase RTMPE of standby buffered video data amount
It is at least one.
For example, can by removal RTMPE in for limiting terminal equipment buffered video data amount the upper limit and
Increase in RTMPE and adjusts RTMPE's at least one of the upper limit of limiting terminal equipment buffered video data amount mode
Flow control limitation.For example, certain parameter of the upper limit of limiting terminal equipment buffered video data amount can be removed or adjust the parameter
Numerical value, increase the modes such as the upper limit in RTMPE for limiting terminal equipment buffered video data amount, to adjust the stream of RTMPE
Control limitation.
In this way, the flow control limitation that RTMPE can be adjusted in several ways, to guarantee that video data is quick
Transmission of the ground between CDN server and terminal device improves the utilization rate of transmission bandwidth, and then guarantees high-quality, without card
Pause ground play-on-demand video.The disclosure exchanges the concrete mode of rectification control limitation with no restriction.
As shown in Figure 1, in step s 103, playing the video data.
For example, terminal device can receive simultaneously playing video data.For example, CDN server is by adjusting flow control limit
The RTMPE agreement transmitting video data of system, for example, sending video data at full speed with maximum bandwidth to terminal device.Terminal device
More video datas as much as possible can be obtained, terminal device can make full use of preloading and caching mechanism etc., obtain
More video datas.For example, terminal device receives the URL of multiple fragments of the video of Play Server return, terminal
Equipment can preload the video data of remaining fragment when broadcasting belongs to the video data of first fragment.Terminal device can
To detect EOP (complete) signal of video data according to the standard of RTMPE, judge whether fragment downloading terminates, in this point
It, can be with the video data of the lower fragment of pre-download in the case that piece downloading terminates.In this way, the success rate of video playing can be improved
And fluency.
Fig. 3 is a kind of flow chart of video broadcasting method shown according to an exemplary embodiment.In a kind of possible reality
In existing mode, as shown in figure 3, the method also includes:
In step S104, the video data not played is cached；
In step s105, according to the time of the key frame of the picture group GOP of the video data of caching and the key
The buffer address information of frame, determines concordance list.
For example, terminal device can cache the video data not played, for example, the video length is 30 minutes, eventually
When being played to from 2 minutes within end equipment 0 minute since video, 10 minutes before video videos may be had been received in terminal device
Data, terminal device can cache the video data not played, for example, the video data not played is cached in terminal device
Deposit queue.
Fig. 4 is a kind of schematic diagram of the data organization form of RTMPE transmission shown according to an exemplary embodiment.One
In the possible implementation of kind, as shown in figure 4, the block format Chunk Format for the video data that CDN server is sent includes
Block header Chunk Header and block number are according to Chunk Data, wherein Chunk Data is Streaming Media FLV (Flash
Video a kind of) the AVPacket (data structure) of format.Include basic head Basic Header in Chunk Header, disappear
It ceases head Message Header and expansion time stabs Extended Timestamp.
In one possible implementation, terminal device can be according to the pass of the picture group GOP of the video data of caching
The buffer address information of the time of key frame and the key frame, determines concordance list.Wherein, picture group GOP can refer to video
Encode the one group of picture started with key frame (I frame).
For example, terminal device can be according to the time of the key frame (I frame) of the picture group GOP of the video data of caching
And the buffer address information of the key frame, determine concordance list.
Fig. 5 is a kind of schematic diagram of memory model shown according to an exemplary embodiment.In a kind of possible realization side
In formula, as shown in figure 5, the data pack buffer that terminal device can send CDN server is in memory queue, and according to caching
Video data picture group GOP key frame time and the key frame buffer address information, determine concordance list.
For example, FLV formatted data packet first character section may indicate that whether the Chunk Data is picture group GOP
Key frame (the I frame of GOP), terminal device is after the Chunk Data for receiving CDN server transmission, it can be determined that the Chunk
Data whether the key frame for being GOP.It, can be directly by the Chunk Data (AVPacket when for key frame (the I frame of GOP)
Data packet) it is cached to memory queue, because there is the timestamp of the frame data in Chunk Header, terminal device can be according to caching
Video data picture group GOP key frame time and the key frame buffer address information, determine concordance list.
It in this way, can time according to the key frame of the video data picture group GOP of caching and the key
The buffer address information of frame, determines concordance list, to realize positioning playing.
Fig. 6 is a kind of schematic diagram of concordance list shown according to an exemplary embodiment.In a kind of possible implementation
In, as shown in fig. 6, terminal device is after the Chunk Data for receiving CDN server transmission, it can be determined that the Chunk Data
Whether the Chunk Data (AVPacket data packet) is then cached to interior by the key frame for being GOP for example, the frame is key frame
Queue (buffer address information 1) is deposited, by there is the timestamp of the frame data (for example, crucial frame time in the Chunk Header
1,02:00) corresponding relationship in concordance list, is established.Next frame is non-key frame (for example, being B frame), at this point it is possible to will
The Chunk Data (AVPacket data packet) is cached to behind a Chunk Data (for example, after buffer address information 1
Face), until judging next key frame (for example, crucial frame time 2,02:10), according to the buffer address information of the key frame
2 and timestamp (02:10), establish next corresponding relationship in concordance list.
Fig. 7 is a kind of flow chart of video broadcasting method shown according to an exemplary embodiment.In a kind of possible reality
In existing mode, as shown in fig. 7, the method also includes:
In step s 106, it is requested in response to the positioning playing of video described in positioning playing, determines that the positioning playing is asked
Seek the temporal information of the corresponding video；
In step s 107, whether judge in the concordance list comprising the temporal information；
In step S108, when comprising the temporal information, according to the concordance list, determine that the temporal information is corresponding
Buffer address information；
In step S109, the corresponding video data of the buffer address information is played.
For example, user may carry out the positioning playing video in playing process.Divide for example, it is played to video 2
When at clock, user clicks or is fast-forward at video 6 minutes.Positioning playing of the terminal device in response to video described in positioning playing
Request, can determine that the positioning playing requests the temporal information of the corresponding video.For example, determining positioning playing request pair
The temporal information for the video answered is video 6 minutes.Terminal device may determine that in concordance list whether believe comprising the time
Breath.For example, terminal device before cache and determine concordance list in key frame time be 2 minutes to 15 minutes, then at this point, rope
When drawing in table comprising the temporal information, according to the concordance list, the corresponding buffer address information of the temporal information is determined.
For example, be exactly within 6 minutes the time of GOP key frame, then it can be corresponding by the time of the key frame in concordance list
Buffer address information is determined as the corresponding buffer address information of the temporal information.When being the non-key frame time within 6 minutes, example
Such as, there are 5 points of 58 seconds crucial frame times and the key frame time corresponding buffer address time and 6 points 08 in concordance list
Second crucial frame time and the key frame time corresponding buffer address time, at this point, terminal device can be by distance 6 minutes most
It is corresponding slow that buffer address information corresponding to close time point (5 points of 58 seconds crucial frame times) is determined as the temporal information
Deposit address information.Terminal device can play the buffer address letter after determining the corresponding buffer address information of temporal information
Cease corresponding video data.
In this way, caching positioning playing corresponding video data can be quickly move through, guarantee broadcasting for order video
The fluency put.It will be understood by those skilled in the art that can be using well known mode in the related technology in response to positioning playing institute
The positioning playing request for stating video, determines that the positioning playing requests the temporal information of the corresponding video, judges the rope
Draw whether comprising the temporal information in table, for example, search index table.When comprising the temporal information, according to the index
Table determines the corresponding buffer address information of the temporal information, and plays the corresponding video data of the buffer address information, example
Such as, directly go the corresponding video data of buffer address information be sent to computer program FFMPEG play etc., the disclosure to this not
It is restricted.
In one possible implementation, when not including the temporal information in concordance list, terminal device can root
According to corresponding broadcast address, the video data of the video is obtained.
For example, the time of key frame is 2 minutes to 15 minutes in the concordance list that terminal device is cached and determined before,
When determining that the positioning playing requests the temporal information of the corresponding video to be 20 minutes (for example, user clicks directly on view
At frequency playing progress bar 20 minutes), terminal device, which determines, does not include the temporal information in concordance list, terminal device can basis
Corresponding broadcast address obtains the video data of the video.For example, the video may include multiple fragments, terminal device can
To send video playing to CDN server according to the broadcast address and temporal information (20 minutes) of the fragment where 20 minutes
Request after CDN server authenticates successfully, can send corresponding video data to terminal device, terminal device receives and plays institute
Video data is stated, terminal device can be according to the video data of caching, and dynamic updates concordance list, and details are not described herein.
Fig. 8 is a kind of flow chart of video broadcasting method shown according to an exemplary embodiment.In a kind of possible reality
In existing mode, as shown in figure 8, the method also includes:
In step s 110, judge whether to meet cache cleaner condition；
In step S111, when meeting cache cleaner condition, clears up the video data of caching and update the concordance list.
For example, terminal device can decide whether to meet cache cleaner condition, and in sufficient cache cleaner condition, clearly
It manages the video data of caching and updates the concordance list.
In this way, terminal device can clear up the video data of caching in time and update concordance list, guarantee program request
The confidentiality of video and the normal play of order video.It will be understood by those skilled in the art that it is clear that different cachings can be set
Manage bar part can be cleared up the video data of caching and be updated the concordance list, the disclosure using well known mode in the related technology
With no restriction to this.
Fig. 9 is a kind of flow chart of video broadcasting method shown according to an exemplary embodiment.In a kind of possible reality
In existing mode, as shown in figure 9, step S110 may include:
In step S1101, it is greater than or waits in the frequency that the video data of caching finishes or positioning playing is requested
When frequency threshold, judgement meets cache cleaner condition.
For example, when the video data of caching finishes, judgement meets cache cleaner condition.For example, video bag
Multiple fragments are included, in video display process, when first fragment of video finishes, terminal device can will be buffered in memory
First fragment video data destroy.In this way, it is possible to reduce EMS memory occupation, and terminal device is locally without entire video
Caching, divide video data in memory buffer unit, and clear up in time, it is ensured that the confidentiality of video data avoids being stolen.
When the frequency of positioning playing request is greater than or equal to frequency threshold, terminal device also may determine that satisfaction caching is clear
Manage bar part.For example, it in the frequent positioning playing video of user, easily causes caching fragment, be segmented phenomena such as juxtaposition, eventually
End equipment can be when the frequency that positioning playing is requested be greater than or equal to frequency threshold, and judgement meets cache cleaner condition.In this way,
With guarantee user can normally, play video glibly.It will be understood by those skilled in the art that cache cleaner condition may include more
Kind of form, is not limited to above-mentioned example, and frequency threshold can also be configured, the disclosure to this with no restriction.
Figure 10 is a kind of flow chart of video broadcasting method shown according to an exemplary embodiment.This method can be applied to
In server, the disclosure to this with no restriction.As shown in Figure 10, include: according to the video broadcasting method of the embodiment of the present disclosure
In step s 201, it in the video playing request for receiving terminal device transmission, is asked according to the video playing
Ask including broadcast address and key authenticated；
In step S202, when authenticating successfully, the encryption transmitting messages in real time agreement based on adjustment flow control limitation
RTMPE, Xiang Suoshu terminal device send the video data of the broadcast address, wherein the flow control limitation is used in RTMPE
The upper limit of limiting terminal equipment buffered video data amount.
It, can be in the video playing request for receiving terminal device transmission, according to the view according to the embodiment of the present disclosure
The broadcast address and key that frequency playing request includes are authenticated, and when authenticating successfully, the encryption based on adjustment flow control limitation is real
When transmit messaging protocol RTMPE, Xiang Suoshu terminal device sends the video data of the broadcast address, passes through and utilizes RTMPE pairs
The encryption in video data transmission channel can protect the video data of transmission, preferably guarantee video data, and RTMPE is without recognizing
Card management, thus change smaller to front and back end broadcasting framework and mobile terminal and the full link of page end can be covered simultaneously, in addition,
The video data of the video of the RTMPE transmission based on adjustment flow control limitation, it is ensured that order video, which has, plays success rate
Compared with high, Caton rate is lower, Caton accounting is small, independent error rate is few and can realize that the second such as broadcasts at the preferable broadcast performance, realize with
Copyright protection of the lower cost to order video.
For example, CDN server is broadcast in the video playing request for receiving terminal device transmission according to the video
It puts and the broadcast address for including and key is requested to be authenticated.For example, CDN server can sign according to key, and with broadcast
Put server verification after determine parameter information it is consistent when, CDN server authenticates successfully the broadcast address.When authenticating successfully,
It is broadcast described in encryption transmitting messages in real time agreement RTMPE, Xiang Suoshu terminal device transmission of the CDN server based on adjustment flow control limitation
Put the video data of address, wherein the flow control limitation is in RTMPE for limiting terminal equipment buffered video data amount
Limit.
In this way, broadcast address and key can be authenticated by CDN server, it is ensured that authorized user
It plays, authorizing procedure is simple, relies on factors such as networks compared with small, checking time is few, and it is higher to verify success rate, to effectively prevent
Only distort, seize on both sides by the arms, stealing the generation of the case where chain.It will be understood by those skilled in the art that CDN server can be right in several ways
Broadcast address and key are authenticated, the disclosure to this with no restriction.
In one possible implementation, as it was noted above, after CDN server authenticates successfully, CDN server and
Terminal device can shake hands according to the transmission channel handshake procedure of RTMPE protocol definition, and start the transmission of video data.
In this way, the encryption that can use RTMPE agreement it is fast, without authentication management and it is high-efficient the features such as, realize the biography of video data
It is defeated.
Wherein, CDN server is the encryption transmitting messages in real time agreement RTMPE based on adjustment flow control limitation, to the end
End equipment sends the video data of the broadcast address, wherein the flow control limitation is slow for limiting terminal equipment in RTMPE
The upper limit of the video data volume is deposited, as it was noted above, details are not described herein.
In one possible implementation, the adjustment flow control limitation includes setting in removal RTMPE for limiting terminal
For in the upper limit of limiting terminal equipment buffered video data amount in the upper limit and increase RTMPE of standby buffered video data amount
It is at least one.
For example, can by removal RTMPE in for limiting terminal equipment buffered video data amount the upper limit and
Increase in RTMPE and adjusts RTMPE's at least one of the upper limit of limiting terminal equipment buffered video data amount mode
Flow control limitation, as it was noted above, details are not described herein.
In this way, the flow control limitation that RTMPE can be adjusted in several ways, to guarantee that video data is quick
Transmission of the ground between CDN server and terminal device improves the utilization rate of transmission bandwidth, and then guarantees high-quality, without card
Pause ground play-on-demand video.The disclosure exchanges the concrete mode of rectification control limitation with no restriction.
Using example
Below in conjunction with " user's order video " property application scenarios as an example, answering according to the embodiment of the present disclosure is provided
With example, in order to understand the process of video broadcasting method.It will be understood by those skilled in the art that being only below using example
In the purpose for being easy to understand the embodiment of the present disclosure, it is not construed as the limitation to the embodiment of the present disclosure.
Figure 11 is a kind of schematic diagram of the application scenarios of video broadcasting method shown according to an exemplary embodiment.Such as figure
Shown in 11, applied in example at this, user is by its terminal device program request video, and terminal device is in response to user to video
On-demand request, obtain the broadcast address of corresponding with on-demand request video.For example, terminal device is sent out to Play Server
The acquisition request of the broadcast address to the video is sent, the acquisition request includes parameter letter relevant to the on-demand request
Breath, for example, Userid (user account for representing order video), Ccode (represent the source of on-demand request, for example, deriving from net
Page or terminal device etc.), Utid (terminal device for representing order video), Vid (the video account of program request) and
Timestamp (program request temporal information) etc..
It is applied in example at this, Play Server generates key and simultaneously determine broadcast address, play according to above-mentioned parameter information
Key and broadcast address are returned to terminal device by server.Terminal device is with receiving the broadcasting that the Play Server returns
Location and key.
It is applied in example at this, terminal device obtains the video data of the video according to the broadcast address.For example,
As shown in figure 11, terminal device can send video playing request to content distributing network CDN server, and the video playing is asked
It asks including the broadcast address and the key.
It is applied in example at this, CDN server, can basis in the video playing request for receiving terminal device transmission
The broadcast address and key that the video playing request includes are authenticated, when authenticating successfully, based on adjustment flow control limitation
Encryption transmitting messages in real time agreement RTMPE, Xiang Suoshu terminal device sends the video data of the broadcast address, wherein described
Flow control limitation is that the upper limit of limiting terminal equipment buffered video data amount is used in RTMPE.For example, CDN server and terminal are set
It is standby to be shaken hands according to the transmission channel handshake procedure of RTMPE protocol definition, and start the transmission of video data, at this point,
The transmission of video data is third party can be prevented to listen to the number between CDN server and terminal device by path protection
According to transmission.
It is applied in example at this, the transmission of video data is the encryption transmitting messages in real time agreement based on adjustment flow control limitation
RTMPE, wherein adjustment flow control limitation include removal RTMPE in for limiting terminal equipment buffered video data amount the upper limit with
And increase at least one of the upper limit that limiting terminal equipment buffered video data amount is used in RTMPE.
It is applied in example at this, terminal device plays the video data.For example, CDN server is by adjusting flow control limit
The RTMPE agreement transmitting video data of system, for example, sending video data at full speed with maximum bandwidth to terminal device.Terminal device
Preloading and caching mechanism etc. can be made full use of, more video datas are obtained.This using in example, terminal device can be with
The video data not played is cached, according to the time of the key frame of the picture group GOP of the video data of caching and the key
The buffer address information of frame, determines concordance list.For example, subscriber terminal equipment played video by 2 minutes, the view of terminal device caching
Frequency evidence arrives 10 minutes of video, at this point, can inquire the picture of the video data between 2 minutes to 10 minutes in concordance list
The corresponding relationship of the buffer address information of the time and key frame of the key frame of group GOP.
It is applied in example at this, user may want to positioning playing video, for example, being played at this time 2 minutes, directly position
6 minutes video contents of video are played, terminal device is requested in response to the positioning playing of video described in positioning playing, described in determination
Whether positioning playing requests the temporal information of the corresponding video, judge in the concordance list to include the temporal information,
When comprising the temporal information, according to the concordance list, the corresponding buffer address information of the temporal information is determined, and play institute
State the corresponding video data of buffer address information.For example, whether including 6 minutes this temporal informations in search index table, wrapping
Containing when, determine corresponding buffer address information, corresponding video data be sent to FFMPEG and are played out.
It is applied in example at this, terminal device judges whether to meet cache cleaner condition, when meeting cache cleaner condition,
It clears up the video data of caching and updates the concordance list.This using in example, finish in the video data of caching or
When the frequency of person's positioning playing request is greater than or equal to frequency threshold, judgement meets cache cleaner condition.For example, the video 0 divides
Clock was first fragment by 6 minutes, and after playing the video data of first fragment, terminal device can clear up the of caching
The video data of one fragment, and update concordance list.For example, deleting the key for the GOP that first fragment is included in concordance list
The time of frame and the corresponding relationship of caching address information.In the frequent positioning playing video of user, for example, positioning playing request
When frequency is greater than or equal to frequency threshold, terminal device can clear up memory and update concordance list.
According to the embodiment of the present disclosure, by obtaining video corresponding with on-demand request in response to the on-demand request to video
Broadcast address the video data of the video of the RTMPE transmission based on adjustment flow control limitation is obtained according to broadcast address, and
Play the video data.By the encryption using RTMPE to video data transmission channel, the video data of transmission can protect,
Preferably ensure that video data, RTMPE are not necessarily to authentication management, so that it is smaller and can be simultaneously to play framework change to front and back end
Mobile terminal and the full link of page end are covered, in addition, the video data of the video of the RTMPE transmission based on adjustment flow control limitation,
It can guarantee that order video has and play success rate compared with high, Caton rate is lower, Caton accounting is small, independent error rate is few and can be real
The existing second such as broadcasts at the preferable broadcast performance, realizes at lower cost to the copyright protection of order video.
Figure 12 is a kind of block diagram of video play device shown according to an exemplary embodiment.As shown in figure 12, described
Video play device includes:
Broadcast address obtains module 301, for obtaining corresponding with the on-demand request in response to the on-demand request to video
Video broadcast address；
Video data obtains module 302, for obtaining the video data of the video according to the broadcast address, wherein
The video data is the video data of the encryption transmitting messages in real time agreement RTMPE transmission based on adjustment flow control limitation, described
Flow control limitation is that the upper limit of limiting terminal equipment buffered video data amount is used in RTMPE；
First playing module 303, for playing the video data.
In one possible implementation, the adjustment flow control limitation includes setting in removal RTMPE for limiting terminal
For in the upper limit of limiting terminal equipment buffered video data amount in the upper limit and increase RTMPE of standby buffered video data amount
It is at least one.
Figure 13 is a kind of block diagram of video play device shown according to an exemplary embodiment.As shown in figure 13, one
In the possible implementation of kind, the broadcast address obtains module 301 and includes:
Acquisition request sending submodule 3011, for sending the acquisition to the broadcast address of the video to Play Server
Request, the acquisition request include parameter information relevant to the on-demand request, and the parameter information is used for so that described broadcast
Server is put according to the parameter information, key is generated and determines broadcast address；
Receiving submodule 3012, for receiving the broadcast address and key that the Play Server returns,
Wherein, the video data acquisition module 302 includes:
Request-to-send submodule 3021, for sending video playing request, the view to content distributing network CDN server
Frequency playing request includes the broadcast address and the key, and the broadcast address and the key are used for so that described
CDN server is authenticated according to the broadcast address and the key；
Video data receiving submodule 3022, the video data sent for receiving the CDN server.
As shown in figure 13, in one possible implementation, described device further include:
Cache module 304, for caching the video data not played；
Concordance list determining module 305, for according to time of the key frame of the picture group GOP of the video data of caching and
The buffer address information of the key frame, determines concordance list.
As shown in figure 13, in one possible implementation, described device further include:
Temporal information determining module 306 is requested for the positioning playing in response to video described in positioning playing, described in determination
Positioning playing requests the temporal information of the corresponding video；
First judgment module 307, for whether judging in the concordance list comprising the temporal information；
Information determination module 308, for according to the concordance list, determining the time when comprising the temporal information
The corresponding buffer address information of information；
Second playing module 309, for playing the corresponding video data of the buffer address information.
As shown in figure 13, in one possible implementation, described device further include:
Second judgment module 310 meets cache cleaner condition for judging whether；
Processing module 311, for when meeting cache cleaner condition, clearing up the video data of caching and updating the index
Table.
As shown in figure 13, in one possible implementation, second judgment module 310 includes:
Judging submodule 3101, finishes for the video data in caching or the frequency of positioning playing request is greater than
Or when being equal to frequency threshold, judgement meets cache cleaner condition.
Figure 14 is a kind of block diagram of video play device shown according to an exemplary embodiment.As shown in figure 14, described
Video play device includes:
Authentication module 401, when for being requested in the video playing for receiving terminal device transmission, according to the video playing
The broadcast address and key that request includes are authenticated；
Video data sends module 402, for when authenticating successfully, the encryption real-time Transmission based on adjustment flow control limitation to disappear
Agreement RTMPE is ceased, Xiang Suoshu terminal device sends the video data of the broadcast address, wherein the flow control limitation is RTMPE
In be used for limiting terminal equipment buffered video data amount the upper limit.
In one possible implementation, the adjustment flow control limitation includes setting in removal RTMPE for limiting terminal
For in the upper limit of limiting terminal equipment buffered video data amount in the upper limit and increase RTMPE of standby buffered video data amount
It is at least one.
Figure 15 is a kind of block diagram of video play device shown according to an exemplary embodiment.For example, device 800 can be with
It is mobile phone, computer, digital broadcasting terminal, messaging device, game console, tablet device, Medical Devices, body-building
Equipment, personal digital assistant etc..
Referring to Fig.1 5, device 800 may include following one or more components: processing component 802, memory 804, power supply
Component 806, multimedia component 808, audio component 810, the interface 812 of input/output (I/O), sensor module 814, and
Communication component 816.
The integrated operation of the usual control device 800 of processing component 802, such as with display, telephone call, data communication, phase
Machine operation and record operate associated operation.Processing component 802 may include that one or more processors 820 refer to execute
It enables, to perform all or part of the steps of the methods described above.In addition, processing component 802 may include one or more modules, just
Interaction between processing component 802 and other assemblies.For example, processing component 802 may include multi-media module, it is more to facilitate
Interaction between media component 808 and processing component 802.
Memory 804 is configured as storing various types of data to support the operation in device 800.These data are shown
Example includes the instruction of any application or method for operating on device 800, contact data, and telephone book data disappears
Breath, picture, video etc..Memory 804 can be by any kind of volatibility or non-volatile memory device or their group
It closes and realizes, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM) is erasable to compile
Journey read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash
Device, disk or CD.
Power supply module 806 provides electric power for the various assemblies of device 800.Power supply module 806 may include power management system
System, one or more power supplys and other with for device 800 generate, manage, and distribute the associated component of electric power.
Multimedia component 808 includes the screen of one output interface of offer between described device 800 and user.One
In a little embodiments, screen may include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen
Curtain may be implemented as touch screen, to receive input signal from the user.Touch panel includes one or more touch sensings
Device is to sense the gesture on touch, slide, and touch panel.The touch sensor can not only sense touch or sliding action
Boundary, but also detect duration and pressure associated with the touch or slide operation.In some embodiments, more matchmakers
Body component 808 includes a front camera and/or rear camera.When device 800 is in operation mode, such as screening-mode or
When video mode, front camera and/or rear camera can receive external multi-medium data.Each front camera and
Rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 810 is configured as output and/or input audio signal.For example, audio component 810 includes a Mike
Wind (MIC), when device 800 is in operation mode, when such as call mode, recording mode, and voice recognition mode, microphone is matched
It is set to reception external audio signal.The received audio signal can be further stored in memory 804 or via communication set
Part 816 is sent.In some embodiments, audio component 810 further includes a loudspeaker, is used for output audio signal.
I/O interface 812 provides interface between processing component 802 and peripheral interface module, and above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include, but are not limited to: home button, volume button, start button and lock
Determine button.
Sensor module 814 includes one or more sensors, and the state for providing various aspects for device 800 is commented
Estimate.For example, sensor module 814 can detecte the state that opens/closes of device 800, and the relative positioning of component, for example, it is described
Component is the display and keypad of device 800, and sensor module 814 can be with 800 1 components of detection device 800 or device
Position change, the existence or non-existence that user contacts with device 800,800 orientation of device or acceleration/deceleration and device 800
Temperature change.Sensor module 814 may include proximity sensor, be configured to detect without any physical contact
Presence of nearby objects.Sensor module 814 can also include optical sensor, such as CMOS or ccd image sensor, at
As being used in application.In some embodiments, which can also include acceleration transducer, gyro sensors
Device, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 816 is configured to facilitate the communication of wired or wireless way between device 800 and other equipment.Device
800 can access the wireless network based on communication standard, such as WiFi, 2G or 3G or their combination.In an exemplary implementation
In example, communication component 816 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel.
In one exemplary embodiment, the communication component 816 further includes near-field communication (NFC) module, to promote short range communication.Example
Such as, NFC module can be based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology,
Bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 800 can be believed by one or more application specific integrated circuit (ASIC), number
Number processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for executing the above method.
In the exemplary embodiment, a kind of non-volatile computer readable storage medium storing program for executing is additionally provided, for example including calculating
The memory 804 of machine program instruction, above-mentioned computer program instructions can be executed above-mentioned to complete by the processor 820 of device 800
Method.
Figure 16 is a kind of block diagram of video play device shown according to an exemplary embodiment.For example, device 1900 can
To be provided as a server.Referring to Fig.1 6, it further comprises one or more places that device 1900, which includes processing component 1922,
Manage device and memory resource represented by a memory 1932, for store can by the instruction of the execution of processing component 1922,
Such as application program.The application program stored in memory 1932 may include it is one or more each correspond to one
The module of group instruction.In addition, processing component 1922 is configured as executing instruction, to execute the above method.
Device 1900 can also include that a power supply module 1926 be configured as the power management of executive device 1900, and one
Wired or wireless network interface 1950 is configured as device 1900 being connected to network and input and output (I/O) interface
1958.Device 1900 can be operated based on the operating system for being stored in memory 1932, such as Windows ServerTM, Mac
OS XTM, UnixTM, LinuxTM, FreeBSDTM or similar.
In the exemplary embodiment, a kind of non-volatile computer readable storage medium storing program for executing is additionally provided, for example including calculating
The memory 1932 of machine program instruction, above-mentioned computer program instructions can be executed by the processing component 1922 of device 1900 to complete
The above method.
The disclosure can be system, method and/or computer program product.Computer program product may include computer
Readable storage medium storing program for executing, containing for making processor realize the computer-readable program instructions of various aspects of the disclosure.
Computer readable storage medium, which can be, can keep and store the tangible of the instruction used by instruction execution equipment
Equipment.Computer readable storage medium for example can be-- but it is not limited to-- storage device electric, magnetic storage apparatus, optical storage
Equipment, electric magnetic storage apparatus, semiconductor memory apparatus or above-mentioned any appropriate combination.Computer readable storage medium
More specific example (non exhaustive list) includes: portable computer diskette, hard disk, random access memory (RAM), read-only deposits
It is reservoir (ROM), erasable programmable read only memory (EPROM or flash memory), static random access memory (SRAM), portable
Compact disk read-only memory (CD-ROM), digital versatile disc (DVD), memory stick, floppy disk, mechanical coding equipment, for example thereon
It is stored with punch card or groove internal projection structure and the above-mentioned any appropriate combination of instruction.Calculating used herein above
Machine readable storage medium storing program for executing is not interpreted that instantaneous signal itself, the electromagnetic wave of such as radio wave or other Free propagations lead to
It crosses the electromagnetic wave (for example, the light pulse for passing through fiber optic cables) of waveguide or the propagation of other transmission mediums or is transmitted by electric wire
Electric signal.
Computer-readable program instructions as described herein can be downloaded to from computer readable storage medium it is each calculate/
Processing equipment, or outer computer or outer is downloaded to by network, such as internet, local area network, wide area network and/or wireless network
Portion stores equipment.Network may include copper transmission cable, optical fiber transmission, wireless transmission, router, firewall, interchanger, gateway
Computer and/or Edge Server.Adapter or network interface in each calculating/processing equipment are received from network to be counted
Calculation machine readable program instructions, and the computer-readable program instructions are forwarded, for the meter being stored in each calculating/processing equipment
In calculation machine readable storage medium storing program for executing.
Computer program instructions for executing disclosure operation can be assembly instruction, instruction set architecture (ISA) instructs,
Machine instruction, machine-dependent instructions, microcode, firmware instructions, condition setup data or with one or more programming languages
The source code or object code that any combination is write, the programming language include the programming language-of object-oriented such as
Smalltalk, C++ etc., and conventional procedural programming languages-such as " C " language or similar programming language.Computer
Readable program instructions can be executed fully on the user computer, partly execute on the user computer, be only as one
Vertical software package executes, part executes on the remote computer or completely in remote computer on the user computer for part
Or it is executed on server.In situations involving remote computers, remote computer can pass through network-packet of any kind
It includes local area network (LAN) or wide area network (WAN)-is connected to subscriber computer, or, it may be connected to outer computer (such as benefit
It is connected with ISP by internet).In some embodiments, by utilizing computer-readable program instructions
Status information carry out personalized customization electronic circuit, such as programmable logic circuit, field programmable gate array (FPGA) or can
Programmed logic array (PLA) (PLA), the electronic circuit can execute computer-readable program instructions, to realize each side of the disclosure
Face.
Referring herein to according to the flow chart of the method, apparatus (system) of the embodiment of the present disclosure and computer program product and/
Or block diagram describes various aspects of the disclosure.It should be appreciated that flowchart and or block diagram each box and flow chart and/
Or in block diagram each box combination, can be realized by computer-readable program instructions.
These computer-readable program instructions can be supplied to general purpose computer, special purpose computer or other programmable datas
The processor of processing unit, so that a kind of machine is produced, so that these instructions are passing through computer or other programmable datas
When the processor of processing unit executes, function specified in one or more boxes in implementation flow chart and/or block diagram is produced
The device of energy/movement.These computer-readable program instructions can also be stored in a computer-readable storage medium, these refer to
It enables so that computer, programmable data processing unit and/or other equipment work in a specific way, thus, it is stored with instruction
Computer-readable medium then includes a manufacture comprising in one or more boxes in implementation flow chart and/or block diagram
The instruction of the various aspects of defined function action.
Computer-readable program instructions can also be loaded into computer, other programmable data processing units or other
In equipment, so that series of operation steps are executed in computer, other programmable data processing units or other equipment, to produce
Raw computer implemented process, so that executed in computer, other programmable data processing units or other equipment
Instruct function action specified in one or more boxes in implementation flow chart and/or block diagram.
The flow chart and block diagram in the drawings show system, method and the computer journeys according to multiple embodiments of the disclosure
The architecture, function and operation in the cards of sequence product.In this regard, each box in flowchart or block diagram can generation
One module of table, program segment or a part of instruction, the module, program segment or a part of instruction include one or more use
The executable instruction of the logic function as defined in realizing.In some implementations as replacements, function marked in the box
It can occur in a different order than that indicated in the drawings.For example, two continuous boxes can actually be held substantially in parallel
Row, they can also be executed in the opposite order sometimes, and this depends on the function involved.It is also noted that block diagram and/or
The combination of each box in flow chart and the box in block diagram and or flow chart, can the function as defined in executing or dynamic
The dedicated hardware based system made is realized, or can be realized using a combination of dedicated hardware and computer instructions.
The presently disclosed embodiments is described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes are obvious for the those of ordinary skill in art field.The selection of term used herein, purport
In the principle, practical application or technological improvement to the technology in market for best explaining each embodiment, or lead this technology
Other those of ordinary skill in domain can understand each embodiment disclosed herein.
Claims (22)
1. a kind of video broadcasting method is applied in terminal device, which is characterized in that the described method includes:
In response to the on-demand request to video, the broadcast address of video corresponding with the on-demand request is obtained；
According to the broadcast address, the video data of the video is obtained, wherein the video data is based on adjustment flow control limit
The video data of the encryption transmitting messages in real time agreement RTMPE transmission of system, the flow control limitation are in RTMPE for limiting terminal
The upper limit of equipment buffered video data amount；
Play the video data.
2. the method according to claim 1, wherein adjustment flow control limitation includes being used in removal RTMPE
Limiting terminal equipment buffered video data amount is used in the upper limit and increase RTMPE of limiting terminal equipment buffered video data amount
At least one of the upper limit.
3. the method according to claim 1, wherein with obtaining the broadcasting of video corresponding with the on-demand request
Location, comprising:
The acquisition request to the broadcast address of the video is sent to Play Server, the acquisition request includes and the program request
Relevant parameter information is requested, the parameter information is used for so that the Play Server generates close according to the parameter information
Key simultaneously determines broadcast address；
The broadcast address and key that the Play Server returns are received,
Wherein, video data corresponding with the broadcast address is obtained, comprising:
Video playing request is sent to content distributing network CDN server, the video playing request includes the broadcast address
And the key, the broadcast address and the key be used for so that the CDN server according to the broadcast address with
And the key is authenticated；
Receive the video data that the CDN server is sent.
4. the method according to claim 1, wherein the method also includes:
Cache the video data not played；
According to the time of the key frame of the picture group GOP of the video data of caching and the buffer address information of the key frame,
Determine concordance list.
5. according to the method described in claim 4, it is characterized in that, the method also includes:
In response to the positioning playing request of video described in positioning playing, determine that the positioning playing requests the corresponding video
Temporal information；
Whether judge in the concordance list comprising the temporal information；
When comprising the temporal information, according to the concordance list, the corresponding buffer address information of the temporal information is determined；
Play the corresponding video data of the buffer address information.
6. according to the method described in claim 4, it is characterized in that, the method also includes:
Judge whether to meet cache cleaner condition；
When meeting cache cleaner condition, clears up the video data of caching and update the concordance list.
7. according to the method described in claim 6, it is characterized in that, judging whether to meet cache cleaner condition, comprising:
When the video data of caching finishes or the frequency of positioning playing request is greater than or equal to frequency threshold, judgement is full
Sufficient cache cleaner condition.
8. a kind of video broadcasting method is applied in CDN server, which is characterized in that the described method includes:
Receive terminal device transmission video playing request when, according to the video playing request include broadcast address and
Key is authenticated；
When authenticating successfully, encryption transmitting messages in real time agreement RTMPE, the Xiang Suoshu terminal device hair based on adjustment flow control limitation
Send the video data of the broadcast address, wherein the flow control limitation is in RTMPE for limiting terminal equipment buffered video number
According to the upper limit of amount.
9. according to the method described in claim 8, it is characterized in that, adjustment flow control limitation includes being used in removal RTMPE
Limiting terminal equipment buffered video data amount is used in the upper limit and increase RTMPE of limiting terminal equipment buffered video data amount
At least one of the upper limit.
10. a kind of video play device, it is applied in terminal device, which is characterized in that described device includes:
Broadcast address obtains module, for obtaining video corresponding with the on-demand request in response to the on-demand request to video
Broadcast address；
Video data obtains module, for obtaining the video data of the video, wherein the view according to the broadcast address
Frequency is according to the video data for being the encryption transmitting messages in real time agreement RTMPE transmission based on adjustment flow control limitation, the flow control limit
System is that the upper limit of limiting terminal equipment buffered video data amount is used in RTMPE；
First playing module, for playing the video data.
11. device according to claim 10, which is characterized in that the adjustment flow control limitation includes using in removal RTMPE
Limiting terminal equipment buffered video data is used in the upper limit of limiting terminal equipment buffered video data amount and increase RTMPE
At least one of upper limit of amount.
12. device according to claim 10, which is characterized in that the broadcast address obtains module and includes:
Acquisition request sending submodule, for sending the acquisition request to the broadcast address of the video, institute to Play Server
Stating acquisition request includes parameter information relevant to the on-demand request, and the parameter information is used for so that the Play Server
According to the parameter information, generates key and determine broadcast address；
Receiving submodule, for receiving the broadcast address and key that the Play Server returns,
Wherein, the video data acquisition module includes:
Request-to-send submodule, for sending video playing request to content distributing network CDN server, the video playing is asked
It asks including the broadcast address and the key, the broadcast address and the key are used for so that the CDN server
It is authenticated according to the broadcast address and the key；
Video data receiving submodule, the video data sent for receiving the CDN server.
13. device according to claim 10, which is characterized in that described device further include:
Cache module, for caching the video data not played；
Concordance list determining module, for according to the key frame of the picture group GOP of the video data of caching time and the pass
The buffer address information of key frame, determines concordance list.
14. device according to claim 13, which is characterized in that described device further include:
Temporal information determining module determines that the positioning is broadcast for the positioning playing request in response to video described in positioning playing
Put the temporal information for requesting the corresponding video；
First judgment module, for whether judging in the concordance list comprising the temporal information；
Information determination module, for according to the concordance list, determining that the temporal information is corresponding when comprising the temporal information
Buffer address information；
Second playing module, for playing the corresponding video data of the buffer address information.
15. device according to claim 13, which is characterized in that described device further include:
Second judgment module meets cache cleaner condition for judging whether；
Processing module, for when meeting cache cleaner condition, clearing up the video data of caching and updating the concordance list.
16. device according to claim 15, which is characterized in that second judgment module includes:
Judging submodule, finishes for the video data in caching or the frequency of positioning playing request is greater than or equal to frequency
When rate threshold value, judgement meets cache cleaner condition.
17. a kind of video play device, it is applied in CDN server, which is characterized in that described device includes:
Authentication module, when for being requested in the video playing for receiving terminal device transmission, according to the video playing request packet
The broadcast address and key included is authenticated；
Video data sends module, the encryption transmitting messages in real time agreement for being limited based on adjustment flow control when authenticating successfully
RTMPE, Xiang Suoshu terminal device send the video data of the broadcast address, wherein the flow control limitation is used in RTMPE
The upper limit of limiting terminal equipment buffered video data amount.
18. device according to claim 17, which is characterized in that the adjustment flow control limitation includes using in removal RTMPE
Limiting terminal equipment buffered video data is used in the upper limit of limiting terminal equipment buffered video data amount and increase RTMPE
At least one of upper limit of amount.
19. a kind of video play device characterized by comprising
First processor；
For storing the first memory of first processor executable instruction；
Wherein, the first processor is configured as: method described in any one of perform claim requirement 1 to 7.
20. a kind of non-volatile computer readable storage medium storing program for executing, is stored thereon with computer program instructions, which is characterized in that institute
It states and realizes method described in any one of claim 1 to 7 when computer program instructions are executed by first processor.
21. a kind of video play device characterized by comprising
Second processor；
For storing the second memory of second processor executable instruction；
Wherein, the second processor is configured as: method described in perform claim requirement 8 or 9.
22. a kind of non-volatile computer readable storage medium storing program for executing, is stored thereon with computer program instructions, which is characterized in that institute
It states and realizes method described in claim 8 or 9 when computer program instructions are executed by second processor.
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| CN201810183342.XA CN110234020B (en) | 2018-03-06 | 2018-03-06 | Video playing method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810183342.XA CN110234020B (en) | 2018-03-06 | 2018-03-06 | Video playing method and device |
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| CN110234020B CN110234020B (en) | 2021-11-19 |
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