CN108881962A - A kind of generation method of preview screen, view networked terminals and view networked server - Google Patents
A kind of generation method of preview screen, view networked terminals and view networked server Download PDFInfo
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- CN108881962A CN108881962A CN201711387088.7A CN201711387088A CN108881962A CN 108881962 A CN108881962 A CN 108881962A CN 201711387088 A CN201711387088 A CN 201711387088A CN 108881962 A CN108881962 A CN 108881962A
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- preview screen
- view networked
- video
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—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
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25808—Management of client data
- H04N21/25825—Management of client data involving client display capabilities, e.g. screen resolution of a mobile phone
-
- 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
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4621—Controlling the complexity of the content stream or additional data, e.g. lowering the resolution or bit-rate of the video stream for a mobile client with a small screen
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—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
- H04N21/47217—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 controlling playback functions for recorded or on-demand content, e.g. using progress bars, mode or play-point indicators or bookmarks
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- Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computer Graphics (AREA)
- Human Computer Interaction (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The embodiment of the invention provides a kind of generation method of preview screen, view networked terminals and view networked servers；The method includes：When the view networked terminals play video, whether detection user, which is directed to the video, performs specified operation；If so, generating preview screen acquisition request based on the specified operation；The preview screen acquisition request is sent to the view networked server；The view networked server extracts corresponding preview screen according to the preview screen acquisition request from the video, and the preview screen is sent to the view networked terminals；Receive the preview screen that the view networked server returns；The preview screen is shown.The embodiment of the present invention solves the problems, such as that mouse suspension can not show the video content of current location on a progress bar when playing video depending on networked terminals, and the user experience is improved.
Description
Technical field
The present invention relates to view networking technology fields, and the generation method and a kind of preview more particularly to a kind of preview screen are drawn
The generating means in face.
Background technique
It is a kind of dedicated network for being used for high-speed transfer HD video and specialized protocol based on ethernet hardware depending on networking,
It is the more advanced form of internet, is a real-time network.
It networks under overall situation in current view, depending on networked terminals when playing video, user can not learn some time point
Corresponding video content, to can not accurately be positioned.
Summary of the invention
In view of the above problems, it proposes the embodiment of the present invention and overcomes the above problem or at least partly in order to provide one kind
A kind of generation method of the preview screen to solve the above problems and a kind of corresponding generating means of preview screen.
To solve the above-mentioned problems, the embodiment of the invention discloses a kind of generation method of preview screen, the method is answered
For regarding networked terminals, the view networked terminals are communicated with depending on networked server, including：
When the view networked terminals play video, whether detection user, which is directed to the video, performs specified operation；
If so, generating preview screen acquisition request based on the specified operation；
The preview screen acquisition request is sent to the view networked server；The view networked server is according to described in
Preview screen acquisition request extracts corresponding preview screen from the video, and the preview screen is sent to the view
Networked terminals；
Receive the preview screen that the view networked server returns；
The preview screen is shown.
Preferably, described to be equipped with and the video playing client communicated depending on networked server depending on networked terminals
End；The specified operation is to be suspended in mouse in the playing progress bar of the video playing client.
Preferably, the preview screen acquisition request includes：The address in the view networked server of the video,
The corresponding play time of the specified operation, and, the given resolution of preview screen.
The embodiment of the invention also discloses a kind of generation method of preview screen, the method is applied to view the Internet services
Device, the view networked terminals are communicated with depending on networked terminals, including：
Receive the preview screen acquisition request that the view networked terminals are sent；The preview screen acquisition request includes：Institute
The address in the view networked server, the corresponding play time of the specified operation of video are stated, and, preview screen
Given resolution；
According to the preview screen acquisition request, corresponding preview screen is extracted from the video；
The preview screen is sent to the view networked terminals.
Preferably, described the step of extracting corresponding preview screen from the video, includes：
Preview screen corresponding with the preview screen acquisition request is extracted from the video；
Judge the resolution ratio for the preview screen extracted, it is whether identical as the given resolution of the preview screen；
If it is not, being then the given resolution of the preview screen by the resolution adjustment of the preview screen of extraction.
Correspondingly, the embodiment of the invention discloses a kind of view networked terminals, the view networked terminals and view networked server
Communication, including：
Positioned at the detection module of view networked terminals, for when the view networked terminals play video, whether detection user
Specified operation is performed for the video；
Positioned at the generation module of view networked terminals, for then generating preview screen acquisition request based on the specified operation；
Positioned at the sending module of view networked terminals, for the preview screen acquisition request to be sent to the view networking clothes
Business device；The view networked server extracts corresponding preview screen according to the preview screen acquisition request from the video,
And the preview screen is sent to the view networked terminals；
Positioned at the receiving module of view networked terminals, for receiving the preview screen of the view networked server return；
Positioned at the display module of view networked terminals, for the preview screen to be shown.
Preferably, described to be equipped with and the video playing client communicated depending on networked server depending on networked terminals
End；The specified operation is to be suspended in mouse in the playing progress bar of the video playing client.
Preferably, the preview screen acquisition request includes：The address in the view networked server of the video,
The corresponding play time of the specified operation, and, the given resolution of preview screen.
Correspondingly, the view networked terminals and view networking are eventually the embodiment of the invention also discloses a kind of view networked server
End communication, including：
Positioned at the receiving module of view networked server, asked for receiving the preview screen acquisition sent depending on networked terminals
It asks；The preview screen acquisition request includes：The address in the view networked server of the video, the specified operation
Corresponding play time, and, the given resolution of preview screen；
Positioned at the extraction module of view networked server, it is used for according to the preview screen acquisition request, from the video
Extract corresponding preview screen；
Positioned at the sending module of view networked server, for the preview screen to be sent to the view networked terminals.
Preferably, the extraction module includes：
Video frame extraction submodule, for extracting preview corresponding with the preview screen acquisition request from the video
Picture；
Judging submodule, the resolution ratio of the preview screen for judging to extract, the given resolution with the preview screen
It is whether identical；
Resolution adjustment submodule, for being then the finger of the preview screen by the resolution adjustment of the preview screen of extraction
Determine resolution ratio.
The embodiment of the present invention includes following advantages：
In embodiments of the present invention, when regarding networked terminals broadcasting video, whether detection user, which is directed to the video, is executed
Specified operation, if so, then being obtained the preview screen based on the specified operation generation preview screen acquisition request
Request is sent to the view networked server；The view networked server is according to the preview screen acquisition request, from the view
Corresponding preview screen is extracted in frequency, and the preview screen is sent to the view networked terminals；Then, the view connection is received
The preview screen that network server returns, and the preview screen is shown.It is played in this way, solving view networked terminals
The problem of mouse suspension can not show the video content of current location on a progress bar when video, the user experience is improved.
Detailed description of the invention
Fig. 1 is a kind of networking schematic diagram of view networking of the invention；
Fig. 2 is a kind of hardware structural diagram of node server of the invention；
Fig. 3 is a kind of hardware structural diagram of access switch of the invention；
Fig. 4 is the hardware structural diagram that a kind of Ethernet association of the invention turns gateway；
Fig. 5 is a kind of step flow chart one of the generation method embodiment of preview screen of the invention；
Fig. 6 is a kind of step flowchart 2 of the generation method embodiment of preview screen of the invention；
Fig. 7 is a kind of structural block diagram of view networked terminals embodiment of the invention；
Fig. 8 is a kind of structural block diagram of view networked server embodiment of the invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
It is the important milestone of network Development depending on networking, is a real-time network, can be realized HD video real-time Transmission,
Push numerous Internet applications to HD video, high definition is face-to-face.
Real-time high-definition video switching technology is used depending on networking, it can be such as high in a network platform by required service
Clear video conference, Intellectualized monitoring analysis, emergency command, digital broadcast television, delay TV, the Web-based instruction, shows video monitoring
Field live streaming, VOD program request, TV Mail, individual character records (PVR), Intranet (manages) channel by oneself, intelligent video Broadcast Control, information publication
All be incorporated into a system platform etc. services such as tens of kinds of videos, voice, picture, text, communication, data, by TV or
Computer realizes that high-definition quality video plays.
Embodiment in order to enable those skilled in the art to better understand the present invention is introduced to depending on networking below：
Depending on networking, applied portion of techniques is as described below：
Network technology (Network Technology)
Traditional ethernet (Ethernet) is improved depending on the network technology innovation networked, with potential huge on network
Video flow.(Circuit is exchanged different from simple network packet packet switch (Packet Switching) or lattice network
Switching), Streaming demand is met using Packet Switching depending on networking technology.Has grouping depending on networking technology
Flexible, the simple and low price of exchange, is provided simultaneously with the quality and safety assurance of circuit switching, it is virtually electric to realize the whole network switch type
The seamless connection of road and data format.
Switching technology (Switching Technology)
Two advantages of asynchronous and packet switch that Ethernet is used depending on networking eliminate Ethernet under the premise of complete compatible and lack
It falls into, has the end-to-end seamless connection of the whole network, direct user terminal, directly carrying IP data packet.User data is in network-wide basis
It is not required to any format conversion.It is the more advanced form of Ethernet depending on networking, is a real-time exchange platform, can be realized at present mutually
The whole network large-scale high-definition realtime video transmission that networking cannot achieve pushes numerous network video applications to high Qinghua, unitizes.
Server technology (Server Technology)
It is different from traditional server, its Streaming Media depending on the server technology in networking and unified video platform
Transmission be built upon it is connection-oriented on the basis of, data-handling capacity is unrelated with flow, communication time, single network layer energy
Enough transmitted comprising signaling and data.For voice and video business, handled depending on networking and unified video platform Streaming Media
Complexity many simpler than data processing, efficiency substantially increase hundred times or more than traditional server.
Reservoir technology (Storage Technology)
The ultrahigh speed reservoir technology of unified video platform in order to adapt to the media content of vast capacity and super-flow and
Using state-of-the-art real time operating system, the programme information in server instruction is mapped to specific hard drive space, media
Content is no longer pass through server, and moment is directly delivered to user terminal, and user waits typical time less than 0.2 second.It optimizes
Sector distribution greatly reduces the mechanical movement of hard disc magnetic head tracking, and resource consumption only accounts for the 20% of the internet ad eundem IP, but
The concurrent flow greater than 3 times of traditional disk array is generated, overall efficiency promotes 10 times or more.
Network security technology (Network Security Technology)
Depending on the structural design networked by servicing independent licence system, equipment and the modes such as user data is completely isolated every time
The network security problem that puzzlement internet has thoroughly been eradicated from structure, does not need antivirus applet, firewall generally, has prevented black
The attack of visitor and virus, structural carefree secure network is provided for user.
It services innovative technology (Service Innovation Technology)
Business and transmission are fused together by unified video platform, whether single user, private user or a net
The sum total of network is all only primary automatic connection.User terminal, set-top box or PC are attached directly to unified video platform, obtain rich
The multimedia video service of rich colorful various forms.Unified video platform is traditional to substitute with table schema using " menu type "
Complicated applications programming, considerably less code, which can be used, can be realized complicated application, realize the new business innovation of " endless ".
Networking depending on networking is as described below：
It is a kind of central controlled network structure depending on networking, which can be Tree Network, Star network, ring network etc. class
Type, but centralized control node is needed to control whole network in network on this basis.
As shown in Figure 1, being divided into access net and Metropolitan Area Network (MAN) two parts depending on networking.
The equipment of access mesh portions can be mainly divided into 3 classes：Node server, access switch, terminal (including various machines
Top box, encoding board, memory etc.).Node server is connected with access switch, and access switch can be with multiple terminal phases
Even, and it can connect Ethernet.
Wherein, node server is the node that centralized control functions are played in access net, can control access switch and terminal.
Node server can directly be connected with access switch, can also directly be connected with terminal.
Similar, the equipment of metropolitan area mesh portions can also be divided into 3 classes：Metropolitan area server, node switch, node serve
Device.Metropolitan area server is connected with node switch, and node switch can be connected with multiple node servers.
Wherein, node server is the node server for accessing mesh portions, i.e. node server had both belonged to access wet end
Point, and belong to metropolitan area mesh portions.
Metropolitan area server is the node that centralized control functions are played in Metropolitan Area Network (MAN), can control node switch and node serve
Device.Metropolitan area server can be directly connected to node switch, can also be directly connected to node server.
It can be seen that be entirely a kind of central controlled network structure of layering depending on networking network, and node server and metropolitan area
The network controlled under server can be the various structures such as tree-shaped, star-like, cyclic annular.
Visually claim, access mesh portions can form unified video platform (part in virtual coil), and multiple unified videos are flat
Platform can form view networking；Each unified video platform can be interconnected by metropolitan area and wide area depending on networking.
Classify depending on networked devices
1.1 embodiment of the present invention can be mainly divided into 3 classes depending on the equipment in networking：Server, interchanger (including ether
Net gateway), terminal (including various set-top boxes, encoding board, memory etc.).Depending on networking can be divided on the whole Metropolitan Area Network (MAN) (or
National net, World Wide Web etc.) and access net.
1.2 equipment for wherein accessing mesh portions can be mainly divided into 3 classes：Node server, access switch (including ether
Net gateway), terminal (including various set-top boxes, encoding board, memory etc.).
The specific hardware structure of each access network equipment is：
Node server：
As shown in Fig. 2, mainly including Network Interface Module 201, switching engine module 202, CPU module 203, disk array
Module 204；
Wherein, Network Interface Module 201, the Bao Jun that CPU module 203, disk array module 204 are come in enter switching engine
Module 202；Switching engine module 202 look into the operation of address table 205 to the packet come in, to obtain the navigation information of packet；
And the packet is stored according to the navigation information of packet the queue of corresponding pack buffer 206；If the queue of pack buffer 206 is close
It is full, then it abandons；All pack buffer queues of 202 poll of switching engine mould, are forwarded if meeting the following conditions：1) port
It is less than to send caching；2) the queue package counting facility is greater than zero.Disk array module 204 mainly realizes the control to hard disk, including
The operation such as initialization, read-write to hard disk；CPU module 203 is mainly responsible between access switch, terminal (not shown)
Protocol processes, to address table 205 (including descending protocol packet address table, uplink protocol package address table, data packet addressed table)
Configuration, and, the configuration to disk array module 204.
Access switch：
As shown in figure 3, mainly including Network Interface Module (downstream network interface module 301, uplink network interface module
302), switching engine module 303 and CPU module 304；
Wherein, the packet (upstream data) that downstream network interface module 301 is come in enters packet detection module 305；Packet detection mould
Whether mesh way address (DA), source address (SA), type of data packet and the packet length of the detection packet of block 305 meet the requirements, if met,
It then distributes corresponding flow identifier (stream-id), and enters switching engine module 303, otherwise abandon；Uplink network interface mould
The packet (downlink data) that block 302 is come in enters switching engine module 303；The data packet that CPU module 204 is come in enters switching engine
Module 303；Switching engine module 303 look into the operation of address table 306 to the packet come in, to obtain the navigation information of packet；
If the packet into switching engine module 303 is that downstream network interface is gone toward uplink network interface, in conjunction with flow identifier
(stream-id) packet is stored in the queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full,
It abandons；If the packet into switching engine module 303 is not that downstream network interface is gone toward uplink network interface, according to packet
Navigation information is stored in the data packet queue of corresponding pack buffer 307；If the queue of the pack buffer 307 is close full,
Then abandon.
All pack buffer queues of 303 poll of switching engine module, are divided to two kinds of situations in embodiments of the present invention：
If the queue is that downstream network interface is gone toward uplink network interface, meets the following conditions and be forwarded：1)
It is less than that the port sends caching；2) the queue package counting facility is greater than zero；3) token that rate control module generates is obtained；
If the queue is not that downstream network interface is gone toward uplink network interface, meets the following conditions and be forwarded：
1) it is less than to send caching for the port；2) the queue package counting facility is greater than zero.
Rate control module 208 is configured by CPU module 204, to all downlink networks in programmable interval
Interface generates token toward the pack buffer queue that uplink network interface is gone, to control the code rate of forwarded upstream.
CPU module 304 is mainly responsible for the protocol processes between node server, the configuration to address table 306, and,
Configuration to rate control module 308.
Ethernet association turns gateway：
As shown in figure 4, mainly including Network Interface Module (downstream network interface module 401, uplink network interface module
402), switching engine module 403, CPU module 404, packet detection module 405, rate control module 408, address table 406, Bao Huan
Storage 407 and MAC adding module 409, MAC removing module 410.
Wherein, the data packet that downstream network interface module 401 is come in enters packet detection module 405；Packet detection module 405 is examined
Ethernet mac DA, ethernet mac SA, Ethernet length or frame type, the view networking mesh way address of measured data packet
DA, whether meet the requirements depending on networking source address SA, depending on networking data Packet type and packet length, corresponding stream is distributed if meeting
Identifier (stream-id)；Then, MAC DA, MAC SA, length or frame type are subtracted by MAC removing module 410
(2byte), and enter corresponding receive and cache, otherwise abandon；
Downstream network interface module 401 detects the transmission caching of the port, according to the view of packet networking mesh if there is Bao Ze
Address D A knows the ethernet mac DA of corresponding terminal, adds the ethernet mac DA of terminal, Ethernet assists the MAC for turning gateway
SA, Ethernet length or frame type, and send.
The function that Ethernet association turns other modules in gateway is similar with access switch.
Terminal：
It mainly include Network Interface Module, Service Processing Module and CPU module；For example, set-top box mainly connects including network
Mouth mold block, video/audio encoding and decoding engine modules, CPU module；Encoding board mainly includes Network Interface Module, video encoding engine
Module, CPU module；Memory mainly includes Network Interface Module, CPU module and disk array module.
The equipment of 1.3 metropolitan area mesh portions can be mainly divided into 2 classes：Node server, node switch, metropolitan area server.
Wherein, node switch mainly includes Network Interface Module, switching engine module and CPU module；Metropolitan area server mainly includes
Network Interface Module, switching engine module and CPU module are constituted.
2, networking data package definition is regarded
2.1 access network data package definitions
The data packet of access net mainly includes following sections：Destination address (DA), source address (SA), reserve bytes,
payload(PDU)、CRC。
As shown in the table, the data packet for accessing net mainly includes following sections：
| DA | SA | Reserved | Payload | CRC |
Wherein：
Destination address (DA) is made of 8 bytes (byte), and first character section indicates type (such as the various associations of data packet
Discuss packet, multicast packet, unicast packet etc.), be up to 256 kinds of possibility, the second byte to the 6th byte is metropolitan area net address,
Seven, the 8th bytes are access net address；
Source address (SA) is also to be made of 8 bytes (byte), is defined identical as destination address (DA)；
Reserve bytes are made of 2 bytes；
The part payload has different length according to the type of different datagrams, is if it is various protocol packages
64 bytes are 32+1024=1056 bytes if it is single group unicast packets words, are not restricted to above 2 kinds certainly；
CRC is made of 4 bytes, and calculation method follows the Ethernet CRC algorithm of standard.
2.2 Metropolitan Area Network (MAN) packet definitions
The topology of Metropolitan Area Network (MAN) is pattern, may there is 2 kinds, connection even of more than two kinds, i.e. node switching between two equipment
It can all can exceed that 2 kinds between machine and node server, node switch and node switch, node switch and node server
Connection.But the metropolitan area net address of metropolitan area network equipment is uniquely, to close to accurately describe the connection between metropolitan area network equipment
System, introduces parameter in embodiments of the present invention：Label uniquely to describe a metropolitan area network equipment.
(Multi-Protocol Label Switch, multiprotocol label are handed over by the definition of label and MPLS in this specification
Change) label definition it is similar, it is assumed that between equipment A and equipment B there are two connection, then data packet from equipment A to equipment B just
There are 2 labels, data packet also there are 2 labels from equipment B to equipment A.Label is divided into label, outgoing label, it is assumed that data packet enters
The label (entering label) of equipment A is 0x0000, and the label (outgoing label) when this data packet leaves equipment A may reform into
0x0001.The networking process of Metropolitan Area Network (MAN) is to enter network process under centralized control, also means that address distribution, the label of Metropolitan Area Network (MAN)
Distribution be all to be dominated by metropolitan area server, node switch, node server be all passively execute, this point with
The label distribution of MPLS is different, and the distribution of the label of MPLS is the result that interchanger, server are negotiated mutually.
As shown in the table, the data packet of Metropolitan Area Network (MAN) mainly includes following sections：
| DA | SA | Reserved | Label | Payload | CRC |
That is destination address (DA), source address (SA), reserve bytes (Reserved), label, payload (PDU), CRC.Its
In, the format of label, which can refer to, such as gives a definition：Label is 32bit, wherein high 16bit retains, only with low 16bit, its position
Set is between the reserve bytes and payload of data packet.
Based on the above-mentioned characteristic of view networking, one of the core concepts of the embodiments of the present invention is proposed, it then follows regard the association of networking
View, when regarding networked terminals broadcasting video, when mouse suspends on a progress bar and stays for some time, display current location view
The preview graph of frequency.
Referring to Fig. 5, a kind of step flow chart one of the generation method embodiment of preview screen of the invention, the party are shown
Method can be applied to view networked terminals, and the view networked terminals are communicated with depending on networked server, can specifically include following steps：
Step 501, when the view networked terminals play video when, detection user whether be directed to the video perform it is specified
Operation；
Specifically, being stored in view networked server depending on the video that networked terminals play, that is to say, that view networked terminals
It is online broadcasting video, is not to play local video.When regard networked terminals play video when, can real-time detection user whether needle
Specified operation is performed to the video.
In a kind of preferred embodiment of the present invention, described be equipped with depending on networked terminals is led to described depending on networked server
The video playing client of letter；The specified operation is that mouse is suspended in the playing progress bar of the video playing client
On.
Because video playing client is online broadcasting video, video playing client needs and view the Internet services
Device is communicated, including send instruction, receive video data etc., video playing client can be such as webpage, player etc.
Application program.
Either webpage or player or other application program can all have a progress bar when playing video,
In embodiments of the present invention, it specifies operation then to refer to mouse suspends on a progress bar.User does not need to carry out any click behaviour
Make, video playing client can carry out event detection to the whole region of video playing client when playing video, wherein
Just include whether detection mouse suspends on a progress bar.
Step 502, if so, generating preview screen acquisition request based on the specified operation；
When video playing client detects that mouse suspends on a progress bar, preview screen acquisition request can be generated.In advance
Picture of looking at refers to broadcasting content of the video on the time point that mouse suspends.
In a kind of preferred embodiment of the present invention, the preview screen acquisition request includes：The video in the view
Address in networked server, the corresponding play time of the specified operation, and, the given resolution of preview screen.
Specifically, will pop up a prompting frame, the content of prompting frame is then preview when mouse suspends on a progress bar
Picture.In order to not influence the viewing experience of user, the resolution ratio of preview screen can be set to 100*50 etc., in this way, user was both
It can see the content of preview screen, and will not influence the normal video content of viewing.Certainly, the specified resolution of preview screen
Rate can be configured according to actual needs, the embodiment of the present invention to this with no restriction.
Since being to play online, then video playing client needs to obtain the address of video when playing video naturally.
Therefore, it is necessary to the addresses based on video, the corresponding play time of mouse suspension, and, the given resolution next life of preview screen
At preview screen acquisition request.
Step 503, the preview screen acquisition request is sent to the view networked server；The view networked server
According to the preview screen acquisition request, corresponding preview screen is extracted from the video, and the preview screen is sent
To the view networked terminals；
Video playing client is after generating preview screen acquisition request, by being sent to view the Internet services depending on networked terminals
Device after receiving preview screen acquisition request depending on networked server, parses preview screen acquisition request, extracts video
Address and mouse suspend corresponding play time, seek operation then is carried out to video, obtains broadcasts corresponding with mouse suspension
Time corresponding video frame picture is put, the video frame picture that then will acquire returns to view networked terminals.
Certainly, a video frame can be extracted depending on networked server, multiple video frames can also be extracted, it specifically can basis
Actual demand is configured, the embodiment of the present invention to this with no restriction.
Moreover, depending on networked terminals with, when being communicated, be all using being communicated depending on networking protocol depending on networked server.
Step 504, the preview screen that the view networked server returns is received；
Depending on networked terminals after receiving the video frame picture that view networked server returns, drawn if it is a video frame
Face, then using the video frame picture as preview screen；If it is multiple video frame pictures, then from wherein select one as preview
Picture.
Step 505, the preview screen is shown.
In embodiments of the present invention, when regarding networked terminals broadcasting video, whether detection user, which is directed to the video, is executed
Specified operation, if so, then being obtained the preview screen based on the specified operation generation preview screen acquisition request
Request is sent to the view networked server；The view networked server is according to the preview screen acquisition request, from the view
Corresponding preview screen is extracted in frequency, and the preview screen is sent to the view networked terminals；Then, the view connection is received
The preview screen that network server returns, and the preview screen is shown.It is played in this way, solving view networked terminals
The problem of mouse suspension can not show the video content of current location on a progress bar when video, the user experience is improved.
Referring to Fig. 6, a kind of step flowchart 2 of the generation method embodiment of preview screen of the invention, the party are shown
Method is applied to view networked server, and the view networked terminals are communicated with depending on networked terminals, can specifically include following steps：
Step 601, the preview screen acquisition request that the view networked terminals are sent is received；The preview screen acquisition request
Including：The address in the view networked server of the video, the corresponding play time of the specified operation, and, in advance
Look at the given resolution of picture；
It should be noted that depending on networked terminals with, when being communicated, be all depending on networked server using view networking protocol
It is communicated.
Step 602, according to the preview screen acquisition request, corresponding preview screen is extracted from the video；
In a kind of preferred embodiment of the present invention, the step of extracting corresponding preview screen from video packet
It includes：
Preview screen corresponding with the preview screen acquisition request is extracted from the video；
Judge the resolution ratio for the preview screen extracted, it is whether identical as the given resolution of the preview screen；
If it is not, being then the given resolution of the preview screen by the resolution adjustment of the preview screen of extraction.
Specifically, being carried out after receiving preview screen acquisition request depending on networked server to preview screen acquisition request
Parsing extracts address and the corresponding play time of mouse suspension of video, then carries out seek operation, acquisition and mouse to video
The corresponding video frame picture of the corresponding play time of mark suspension, then judges the resolution ratio of the video frame picture obtained, with preview
Whether the given resolution of picture is identical, if it is, the video frame picture that directly will acquire is sent to view networked terminals；If
It is not that, then by the modes such as compressing or stretching, the resolution adjustment for the video frame picture that will acquire is specified point of preview screen
Then resolution is then forwarded to view networked terminals.
Step 603, the preview screen is sent to the view networked terminals.
Depending on networked server while preview screen is sent to view networked terminals, preview screen can be deposited
Storage, in this way, when there is other view networked terminals to carry out preview screen acquisition request with regard to same video, same time point again, depending on
Preview screen directly can be sent to view networked terminals by networked server, reduced the consumption of view networked server, mentioned
High efficiency.
In embodiments of the present invention, the preview screen acquisition sent depending on networked terminals is first received depending on networked server to ask
It asks；The preview screen acquisition request includes：The address in the view networked server of the video, the specified operation
Corresponding play time, and, the given resolution of preview screen；Then according to the preview screen acquisition request, from described
Corresponding preview screen is extracted in video, and the preview screen is finally sent to the view networked terminals.In this way, solving view
The problem of mouse suspension can not show the video content of current location on a progress bar when networked terminals play video, improves use
Family experience.
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method
It closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according to
According to the embodiment of the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also should
Know, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implemented
Necessary to example.
Referring to Fig. 7, show a kind of structural block diagram of view networked terminals embodiment of the invention, the view networked terminals and
It is communicated depending on networked server, can specifically include following module：
Positioned at the detection module 701 of view networked terminals, for when the view networked terminals play video, detecting user to be
It is no to perform specified operation for the video；
Positioned at the generation module 702 of view networked terminals, asked for then generating preview screen acquisition based on the specified operation
It asks；
Positioned at the sending module 703 of view networked terminals, join for the preview screen acquisition request to be sent to the view
Network server；The view networked server extracts corresponding preview according to the preview screen acquisition request from the video
Picture, and the preview screen is sent to the view networked terminals；
Positioned at the receiving module 704 of view networked terminals, drawn for receiving the preview that the view networked server returns
Face；
Positioned at the display module 705 of view networked terminals, for the preview screen to be shown.
In a kind of preferred embodiment of the present invention, described be equipped with depending on networked terminals is led to described depending on networked server
The video playing client of letter；The specified operation is that mouse is suspended in the playing progress bar of the video playing client
On.
In a kind of preferred embodiment of the present invention, the preview screen acquisition request includes：The video in the view
Address in networked server, the corresponding play time of the specified operation, and, the given resolution of preview screen.
Referring to Fig. 8, a kind of structural block diagram of view networked server embodiment of the invention, the view networked terminals are shown
It is communicated with depending on networked terminals, can specifically include following module：
Positioned at the receiving module 801 of view networked server, obtained for receiving the preview screen sent depending on networked terminals
Take request；The preview screen acquisition request includes：It is the address in the view networked server of the video, described specified
Corresponding play time is operated, and, the given resolution of preview screen；
Positioned at the extraction module 802 of view networked server, it is used for according to the preview screen acquisition request, from the video
It is middle to extract corresponding preview screen；
Positioned at the sending module 803 of view networked server, for the preview screen to be sent to the view networked terminals.
In a kind of preferred embodiment of the present invention, the extraction module includes：
Video frame extraction submodule, for extracting preview corresponding with the preview screen acquisition request from the video
Picture；
Judging submodule, the resolution ratio of the preview screen for judging to extract, the given resolution with the preview screen
It is whether identical；
Resolution adjustment submodule, for being then the finger of the preview screen by the resolution adjustment of the preview screen of extraction
Determine resolution ratio.
For view networked terminals and view networked server embodiment, since it is basically similar to the method embodiment, institute
To be described relatively simple, the relevent part can refer to the partial explaination of embodiments of method.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate
Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program
The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions
In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these
Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices
Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram
The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices
In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet
The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram
The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that
Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus
The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart
And/or in one or more blocks of the block diagram specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
It networks above to a kind of generation method of preview screen provided by the present invention, a kind of view networked terminals and a kind of view
Server is described in detail, and used herein a specific example illustrates the principle and implementation of the invention,
The above description of the embodiment is only used to help understand the method for the present invention and its core ideas；Meanwhile for the one of this field
As technical staff, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, to sum up institute
It states, the contents of this specification are not to be construed as limiting the invention.
Claims (10)
1. a kind of generation method of preview screen, which is characterized in that the method is applied to view networked terminals, and the view networking is eventually
End is communicated with depending on networked server, including：
When the view networked terminals play video, whether detection user, which is directed to the video, performs specified operation；
If so, generating preview screen acquisition request based on the specified operation；
The preview screen acquisition request is sent to the view networked server；The view networked server is according to the preview
Picture acquisition request extracts corresponding preview screen from the video, and the preview screen is sent to the view and is networked
Terminal；
Receive the preview screen that the view networked server returns；
The preview screen is shown.
2. the method according to claim 1, wherein described be equipped with and the view the Internet services depending on networked terminals
The video playing client that device is communicated；The specified operation is that mouse is suspended in the broadcasting of the video playing client
On progress bar.
3. method according to claim 1 or 2, which is characterized in that the preview screen acquisition request includes：The video
The address in the view networked server, the corresponding play time of the specified operation, and, specified point of preview screen
Resolution.
4. a kind of generation method of preview screen, which is characterized in that the method is applied to view networked server, the view networking
Terminal is communicated with depending on networked terminals, including：
Receive the preview screen acquisition request that the view networked terminals are sent；The preview screen acquisition request includes：The view
The address in the view networked server of frequency, the corresponding play time of the specified operation, and, preview screen it is specified
Resolution ratio；
According to the preview screen acquisition request, corresponding preview screen is extracted from the video；
The preview screen is sent to the view networked terminals.
5. according to the method described in claim 4, it is characterized in that, described extract corresponding preview screen from the video
Step includes：
Preview screen corresponding with the preview screen acquisition request is extracted from the video；
Judge the resolution ratio for the preview screen extracted, it is whether identical as the given resolution of the preview screen；
If it is not, being then the given resolution of the preview screen by the resolution adjustment of the preview screen of extraction.
6. a kind of view networked terminals, which is characterized in that the view networked terminals are communicated with depending on networked server, including：
Positioned at the detection module of view networked terminals, for when the view networked terminals play video, whether detection user to be directed to
The video performs specified operation；
Positioned at the generation module of view networked terminals, for then generating preview screen acquisition request based on the specified operation；
Positioned at the sending module of view networked terminals, for the preview screen acquisition request to be sent to the view the Internet services
Device；The view networked server extracts corresponding preview screen according to the preview screen acquisition request from the video, and
The preview screen is sent to the view networked terminals；
Positioned at the receiving module of view networked terminals, for receiving the preview screen of the view networked server return；
Positioned at the display module of view networked terminals, for the preview screen to be shown.
7. view networked terminals according to claim 1, which is characterized in that described be equipped with depending on networked terminals joins with the view
The video playing client that network server is communicated；The specified operation is that mouse is suspended in the video playing client
Playing progress bar on.
8. view networked terminals according to claim 1 or 2, which is characterized in that the preview screen acquisition request includes：Institute
The address in the view networked server, the corresponding play time of the specified operation of video are stated, and, preview screen
Given resolution.
9. a kind of view networked server, which is characterized in that the view networked terminals are communicated with depending on networked terminals, including：
Positioned at the receiving module of view networked server, for receiving the preview screen acquisition request of the view networked terminals transmission；
The preview screen acquisition request includes：The address in the view networked server of the video, the specified operation pair
The play time answered, and, the given resolution of preview screen；
Positioned at the extraction module of view networked server, for being extracted from the video according to the preview screen acquisition request
Corresponding preview screen；
Positioned at the sending module of view networked server, for the preview screen to be sent to the view networked terminals.
10. view networked server according to claim 4, which is characterized in that the extraction module includes：
Video frame extraction submodule is drawn for extracting preview corresponding with the preview screen acquisition request from the video
Face；
Judging submodule, the resolution ratio of the preview screen for judging to extract, with the given resolution of the preview screen whether
It is identical；
Resolution adjustment submodule, for then dividing the resolution adjustment of the preview screen of extraction for the specified of the preview screen
Resolution.
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| CN115174964A (en) * | 2022-06-30 | 2022-10-11 | 郑州小鸟信息科技有限公司 | Previewing and controlling method of multimedia rendering system |
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Application publication date: 20181123 |