CN108632644A - The methods of exhibiting and equipment of preview graph - Google Patents
The methods of exhibiting and equipment of preview graph Download PDFInfo
- Publication number
- CN108632644A CN108632644A CN201710170348.9A CN201710170348A CN108632644A CN 108632644 A CN108632644 A CN 108632644A CN 201710170348 A CN201710170348 A CN 201710170348A CN 108632644 A CN108632644 A CN 108632644A
- Authority
- CN
- China
- Prior art keywords
- preview graph
- preview
- client
- graph
- information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
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]
- H04N21/40—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
-
- 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]
- H04N21/60—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
- H04N21/643—Communication protocols
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
- H04N21/8355—Generation of protective data, e.g. certificates involving usage data, e.g. number of copies or viewings allowed
- H04N21/83555—Generation of protective data, e.g. certificates involving usage data, e.g. number of copies or viewings allowed using a structured language for describing usage rules of the content, e.g. REL
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8455—Structuring of content, e.g. decomposing content into time segments involving pointers to the content, e.g. pointers to the I-frames of the video stream
-
- 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]
- H04N21/80—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
Abstract
An embodiment of the present invention provides a kind of methods of exhibiting of preview graph, including client, and the index file of video frequency program is obtained from server, and the index file includes the description information of preview graph；The client obtains preview graph according to the preview graph description information；The client shows the preview graph according to user operation instruction.The description information of preview graph is included in the index file of video frequency program by this method so that client according to the index file when carrying out video playing, you can directly obtains preview graph according to the index file.The realization of preview graph is combined with agreement is played, ensure that the consistency of user experience, video traffic provider can also be mitigated and individually develop the complexity that preview graph realizes agreement, can realize the Quick thread of video traffic.
Description
Technical field
The present invention relates to video field more particularly to the methods of exhibiting and equipment of a kind of preview graph.
Background technology
With the development of internet, video resource is more and more abundant, in video playing, by drag playing progress bar come
It is a kind of relatively common user experience to drag video progress.During video progress drags, current many Video services
Manufacturer both provides preview graph effect, can the accurate real preview graph (video for seeing the video on corresponding playing progress bar position
Preview), user is helped quickly to navigate to the content for wanting to see.
But the preview graph that each Video service manufacturer provides at present realizes that agreement and video playing agreement are independent from each other,
In addition, the preview graph information disunity that each Video service manufacturer provides, each is realized that difference is big, is unfavorable for the consistent of user experience
Property.
Invention content
In view of this, it is really necessary to provide a kind of preview graph implementation method combined with broadcasting agreement, ensure user experience
Consistency.
In a first aspect, a kind of methods of exhibiting of preview graph is provided, including：
Client obtains the index file of video frequency program from server, and the index file includes that the description of preview graph is believed
Breath, the index file are that the display advertising in DASH agreements describes MPD file；
The client obtains preview graph according to the preview graph description information from the server；
The client shows the preview graph according to user operation instruction, such as when user's dragging playing progress bar, exhibition
Show the preview graph of corresponding position.The description information of preview graph is included in the index file of video frequency program by this method so that visitor
Family end according to the index file when carrying out video playing, you can directly obtains preview graph according to the index file.By preview graph
Realization with play agreement combine, ensure that the consistency of user experience, video traffic provider can also be mitigated in addition
The complexity that preview graph realizes agreement is individually developed again, can realize the Quick thread of video traffic.
Optionally, the preview graph description information includes：
The corresponding temporal information of address information and preview graph of preview graph, address information can be the positions of preview graph storage
Information, between correspondence time and preview graph that the corresponding temporal information of preview graph may include the first preview graph of the video when
Between be spaced.In this way, client is when showing preview graph, it can be according to the temporal information of preview graph and the location determination of playing progress bar
Specifically need which preview graph shown, be shown to obtain corresponding preview graph, ensures the preview graph shown and regard
The consistency of frequency.
Optionally, client can according to the address information of the preview graph in advance from server download preview graph storage to
It is local, when user drags playing progress bar, from the local preview graph for obtaining the corresponding time, so that the speed of preview graph displaying
Faster, real-time is stronger for degree.
Optionally, client also user drag playing progress bar when, according to the position of the playing progress bar and institute
The corresponding temporal information of preview graph is stated, determines the address information of corresponding preview graph, according to the address of the preview graph of the determination
Information downloads preview graph from server.The optional mode can mitigate the storage pressure of client, save memory space.
Second aspect provides a kind of methods of exhibiting of preview graph, applies in server end, including：
Server sends the index file of video frequency program to client, and the index file is the display advertising of DASH agreements
MPD file is described, the index file includes the description information of preview graph；
It receives client preview graph and downloads request；
The download request for responding the client, the client is sent to by the preview graph.
Optionally, the preview graph description information includes：
The corresponding temporal information of address information and preview graph of preview graph.
Optionally, the method further includes：
Server generates preview graph and preview graph description information according to preview graph create-rule.
Optionally, the preview graph create-rule includes：
Preview graph duration information and preview graph resolution information.
Optionally, server can be cut according to the duration information and resolution information of preview graph directly from video file
The mode of video frame is taken to generate preview graph.
The third aspect provides a kind of client terminal device, including：
Receiver, the index file for obtaining video frequency program from server, the index file are the MPD of DASH agreements
File, the index file include the description information of preview graph；
Processor, for obtaining preview graph from the server according to the preview graph description information, according to user's operation
Instruction shows the preview graph.
Optionally, the preview graph description information includes：
The corresponding temporal information of address information and preview graph of preview graph.
Optionally, the processor is specifically used for：
When user drags playing progress bar, corresponding preview graph is shown according to the position of playing progress bar.
Optionally, the processor is additionally operable to：Before user drags playing progress bar, according to the address of the preview graph
Information downloads preview graph from server.
Optionally, the processor is additionally operable to：When user drags playing progress bar, according to the position of the playing progress bar
It sets and the corresponding temporal information of the preview graph, the address information of corresponding preview graph is determined, according to the preview of the determination
The address information of figure downloads preview graph from server.
Fourth aspect provides a kind of server, including：
Transmitter, the index file for sending video frequency program to client, the index file are the MPD of DASH agreements
File, the index file include the description information of preview graph；
Receiver downloads request for receiving client preview graph；
The transmitter is additionally operable to respond the download request of the client, and the preview graph is sent to the client
End.
Optionally, which further includes：
Processor, for generating preview graph and preview graph description information according to preview graph create-rule.
Optionally, the preview graph create-rule includes：
Preview graph duration information and preview graph resolution information.
Optionally, processor can be cut according to the duration information and resolution information of preview graph directly from video file
The mode of video frame is taken to generate preview graph.
5th aspect, provides a kind of computer program product, including executable program code, wherein said program code packet
Instruction is included, when the processor executes described instruction, described instruction keeps the server or client executable as above-mentioned
Preview graph methods of exhibiting described in aspect.
6th aspect, the embodiment of the present application provides a kind of computer storage media, for being stored as above-mentioned server, visitor
Computer software instructions used in the end of family, it includes for executing the program designed by above-mentioned aspect.
Description of the drawings
Fig. 1 is the system architecture diagram of the adaptive H TTP steaming transfer for implementing the embodiment of the present application；
Fig. 2 is the network equipment infrastructure block diagram for implementing the embodiment of the present application；
Fig. 3 is the preview graph methods of exhibiting interaction diagrams of one embodiment of the application；
Fig. 4 is the preview graph methods of exhibiting interaction diagrams of another embodiment of the application.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention is described.
Fig. 1 shows the canonical system framework of the adaptive H TTP steaming transfer for implementing the embodiment of the present application.Such as Fig. 1 institutes
Show, which may include that n HTTP server 110, n can be arbitrary integer number, client 120 and network 130.HTTP
It is coupled to each other that server 110 and client 120 can cache other network components such as (not shown) by network 130 and HTTP.
HTTP server 110 can be any hardware computer server for sending and receiving data by HTTP.
HTTP server 110 may include server DASH modules (dash module, DM) 111, for passing through HTTP and being marked according to DASH
Standard sends and receives data.HTTP server can form content delivery network (CDN) 140, CDN140 and can refer to through multiple backbone networks
It is deployed in distributed server system of multiple data centers for distributing content.CDN140 may include any number of HTTP clothes
Business device 110, such n can be arbitrary integer numbers.In general, CDN may include thousands of a servers up to a hundred.
Client 120 can be any hardware equipment for sending and receiving data by HTTP.For example, client
120 can be laptop, tablet computer, desktop computer, mobile phone or miscellaneous equipment.Client 120 may include client
DASH modules (dash module, DM) 121, using 122 and graphic user interface (GUI) 123.
Client DM121 can be used for sending and receiving data by HTTP and according to DASH standards.Client DM121 can be into
One step includes that DASH accesses engine (dash access engine, DAE) 1211 and media output (media export, ME)
1212.DAE1211 can be for receiving initial data from HTTP server 110 and these data being configured to viewing format
Critical piece.For example, DAE1211 can will be the data and timing data lattice together of Motion Picture Experts Group (MPEG) Container Format
Formatted data are then output to ME1212 by formula.ME1212 can be responsible for initialization, playback and other is associated with content
Function and content is output to using 122.
Can be web browser or other application with the interface for downloading and showing content using 122.Using
122 can be coupled to GUI123, can check the various functions using 122 with 120 associated user of client in this way.It can using 122
Including function of search, such user can search for content.For example, if being media player using 122, it can using 122
Including search column, such user can input character string search film.It can show that search hit list, user can obey the order using 122
Desired film is selected in middle list.After selection, the instruction for downloading film client DM121 can be sent to using 122.
DM121 can download film and processing film applies 122 to be output to.GUI123 can be provided instructions to for GUI123 using 122
Show that film is watched to user.Instruction can be further provided for GUI123 so that GUI123 shows progress bar, the progress using 122
Item shows the time schedule of film.
Network 130 can be for providing the arbitrary network communicated between HTTP server 110 and client 120.For example,
Network 130 is to be internet, mobile telephone network or other networks.Network 130 is permissible to be led to along wired or wireless channel
Letter.
Fig. 2 is the schematic diagram of the network equipment 200 for implementing the embodiment of the present invention.Equipment 200 may include it is multiple enter end
Mouth 210 and/or acceptor unit (Rx) 220, for receiving data；Logic unit or processor 230, for handling signal；It is more
A exit port 240 and/or transmitter unit (Tx) 250, for transmitting data to other components；And memory 260.Equipment
200 may be adapted to implement arbitrary disclosed feature, method and apparatus.For example, equipment 200 may be adapted to implement HTTP server 110,
With client 120.
Logic unit 230 (can be described as central processing unit (CPU)) can be with inbound port 210, acceptor unit 220, outlet
Mouth 240, transmitter unit 250 and memory 260 communicate.Logic unit 230 may be embodied as one or more cpu chips, core
(for example, multi-core processor), field programmable gate array (FPGA), application-specific integrated circuit (ASIC) and/or Digital Signal Processing
Device (DSP), and/or can be a part of one or more ASIC.
Memory 260 can be made of one or more disks, tape drive, CD drive or solid state drive；It can
For the non-volatile memories of data and as overflow data storage device；It can be used for storing journey when selection executes this class method
Sequence；And it can be used for storing the instruction and data read during program executes.Memory 260 can be volatibility and/or non-volatile
Property and can be read-only memory (ROM), random access memory (RAM), triple content addressable memory (TCAM), static
Random access memory (SRAM), other suitable type of memory or its arbitrary combination.Memory 260 may include DM270,
DM270 may be adapted to service implementation device DM111 or client DM121.Although memory 260 is shown as including DM270, logic list
The arbitrary combination of member 230 or logic unit 230 and memory 260 may include DM270.
Canonical system framework based on HTTP steaming transfer above-mentioned and the network equipment, Fig. 3 are according to the embodiment of the present application
The flow interaction figure of preview graph methods of exhibiting.
Client 110 can use HTTP GET requests or similar message, to be cached from HTTP server 120 or HTTP
(not shown) downloads of media displaying description (MPD).MPD can be extensible markup language (XML) document.MPD includes to matchmaker
Hold the letters such as metadata, such as bit rate, encoding and decoding, resolution of screen and language of format used in being encoded in vivo
Breath, in the present embodiment, MPD further includes the description information of preview graph.
In the present embodiment, when video content injects, the preview graph create-rule of corresponding video can be read in server, such as：
The interval time of preview graph, resolution ratio of preview graph etc. generate the description information of preview graph and preview graph, preview graph description letter
Breath can be there are many realization method：
In the first realization method, all preview graphs can be compressed into a file, be carried in the form of compressed package, in advance
Look at figure property parameters defined in MPD Representation, be described as follows：
Representation label interior element introductions：
id：Preview graph group identifies
width：The width of preview graph, unit：Pixel
height：The height of preview graph, unit：Pixel
startTime：First preview graph corresponds to the time point in video
interval：Adjacent preview graph interval duration, unit：Second
number：The preview graph total number that this video generates
BaseURL：This group of preview graph is packaged into the URL after zip file, for downloading
In second in embodiment, preview graph is described by list, the property parameters of preview graph are in MPD
Defined in Representation, it is described as follows：
Representation label interior element introductions：
id：The mark of preview graph (group)
width：The width of preview graph, unit：Pixel
height：The height of preview graph, unit：Pixel
startTime：First preview graph corresponds to the time point in video
interval：Adjacent preview picture interval duration, unit：Second
number：The preview graph total number that this video generates
SegmentURL：Label supports multivalue
Media：Specific preview map file URL, for terminal downloads
In the third embodiment, preview graph is described by template, the property parameters of preview graph are in MPD
Defined in Representation, it is described as follows：
Representation label interior element introductions：
PreviewTemplate：The rule of preview graph download address (URL).
PreviewTimeline：Description preview graph corresponds to the rule of video content.
startTime：First preview graph corresponds to the time point in video.
interval：Adjacent preview picture interval duration, unit：Second.
number：The preview graph total number that this video generates.
id：Preview graph (group) identifies.
width：The width of preview graph, unit：Pixel.
height：The height of preview graph, unit：Pixel.
As shown in figure 3, the preview graph methods of exhibiting of the present embodiment includes the following steps：
Step 310, client 120 can send the request to MPD to HTTP server 110.
Step 320, MPD can be sent to client 120 by HTTP server 110.Client 120 can be accessed by DASH draws
It holds up DAE1211 and receives MPD, wherein MPD includes the description information of preview graph, specifically, the description information of preview graph may include
Address information, the temporal information of preview graph can also include the resolution information of preview graph.
Step 330, client 120 parses the description information of preview graph from MPD file, obtains the address letter of preview graph
Breath, temporal information and resolution information, the temporal information of wherein preview graph include at least：The first frame preview graph corresponding time,
The totalframes of interval time and preview graph between adjacent preview graph.
Step 340, client 120 asks preview graph according to the description information of preview graph to HTTP server.
Specifically, client 120 can select suitable preview graph resolution ratio according to terminal parameters such as screen sizes, it is corresponding
Preview graph xml document downloads corresponding preview graph according to the address of the preview graph in document from server request.
Step 350, preview graph is sent to client 120 by HTTP server, and preview graph is cached to local by client 120
In memory.
Step 360, client 120 shows the preview graph of corresponding progress when user drags playing progress bar.
Specifically, user drag playing progress bar when, determine playing progress bar stop position and the time, according to when
Between obtain the preview graph of corresponding time and be shown.It should be noted that dragging playing progress bar can be that user directly uses
Mouse drag or user are directly inputted time parameter and are realized with the position of positioning playing progress bar.
Optionally, client 120 can in advance will according to the address information of preview graph from server when video playing starts
The locally downloading storage of all preview graphs, when user drags playing progress bar, from the local preview graph for obtaining the corresponding time
It is shown, this mode can show that preview graph, experience are more preferable in real time when user drags playing progress bar.
In addition, client 120 can also user drag progress bar when, judge progress bar stop position and it is corresponding when
Between, the preview graph of time is corresponded to according to the selection of time, is downloaded in real time from server according to the location information of preview graph corresponding
Preview graph is shown, and which can mitigate the storage pressure of client, can save the memory space of client.
As shown in figure 4, for the preview graph methods of exhibiting interaction diagrams of another embodiment of the application.
In the present embodiment, preview graph description information can be independent XML file, can only include to the XML file in MPD
Description, such as preview graph XML file URL.After client can parse MPD, according to the URL of preview graph XML file from service
Device obtains preview graph XML file.Wherein, MPD descriptions as described in preview graph XML file can be as follows：
Parameter declaration：
mimeType：Application/xml, non-video audio are identified, preview graph belongs to using class, held with XML
It carries
value：Clearly it is that time shaft preview is used, timelinepreview.
Representation id：When the preview graph for having multigroup resolution ratio provides preview, distinguished by id multiple
Representation。
Width, preview graph width, unit are pixel
Height, preview graph height, unit are pixel
BaseURL：The URL of preview graph XML file, client can obtain the detailed description information of preview graph according to the URL.
Specifically, the description of preview graph XML file is there are many mode, and in the present embodiment, preview graph in the first realization method
XML file is free hand drawing tablet mode, and every preview graph is all an individual picture, is described as follows：
<！–Preview preview_240.XML-->
<Xml version=" 1.0 " encoding=" UTF-8 ">
<timemline>
<Image time=" 000006 " id=" preview_240_ $ time $ .jpg "/>
<Image time=" 000012 " id=" preview_240_ $ time $ .GIF "/>
<Image time=" 005900 " id=" preview_240_ $ time $ .GIF "/>
</timemline>
Parameter declaration：
timemline：Content under the XML node is the scene for time shaft
image：Expression is that preview graph Object node is described
time：Format Hour Minute Second HHMMSS
Id=" preview_240_ $ time $ .jpg "：The URL of preview map file
In second of realization method, preview picture XML file is to merge picture mode, i.e., multiple preview graph synthesis are at one
In picture：
<！–Preview preview_240.XML-->
<Xml version=" 1.0 " encoding=" UTF-8 ">
<timemline>
<Image startTime=" 000000 " endTime=" 001000 " interval=" 6 "
Id=" preview_ $ startTime $ _ $ endTime $ .jpg "/>
<Image startTime=" 001000 " endTime=" 002000 " interval=" 6 "
Id=" preview_ $ startTime $ _ $ endTime $ .jpg "/>
…
<Image startTime=" 012000 " endTime=" 013000 " interval=" 6 "
Id=" preview_ $ startTime $ _ $ endTime $ .jpg "/>
</timemline>
Parameter declaration：
timemline：Content under the XML node is the scene for time shaft
image：Expression is that preview graph Object node is described
startTime：At the beginning of video, format：HHMMSS
endTime：The end time of video, format：HHMMSS
interval：Preview graph generates interval time, unit in this section of video：Second
Id=" preview_ $ startTime $ _ $ endTime $ .jpg "：The URL of preview map file
Merge picture mode, picture number can be reduced, client, which is read, merges picture, can reduce the number of File Open closing
Amount, improves the speed of display.
In the present embodiment, preview graph methods of exhibiting includes the following steps:
Step 410, client 120 can send the request to MPD to HTTP server 110.
Step 420, MPD can be sent to client 120 by HTTP server 110.Client 120 can be connect by DAE1211
MPD is received, wherein MPD includes preview graph description information, specifically, preview graph description information includes:Preview graph describes file
URL。
Specifically, preview graph description information can be described below：
According to value=, " timelinepreview determines that the video supports preview graph characteristic, wherein more to client 120
A Representation indicates that the preview graph of multiple resolution ratio can obtain, and terminal can be selected according to oneself screen size
Suitable resolution preview figure xml, in this example by taking the preview graph of 240 resolution ratio of acquisition as an example.
Step 430, client 120 parses the URL that preview graph describes file from MPD file.
Step 440, client 120 describes the URL of file according to the preview graph and asks preview graph description text to server
Part.
Specifically, client 120 can according to the resolution ratio selected for 240 preview graph BaseURL from server ask
The description file of the preview graph.
Step 450, the description file of preview graph is returned to client 120 by HTTP server 110.
Specifically, preview graph, which describes file, to be XML document, particular content can be as follows：
<！–Preview XML-->
<Xml version=" 1.0 " encoding=" UTF-8 ">
<timemline>
<Image time=" 000006 " id=" preview_240_000006.jpg "/>
<Image time=" 000012 " id=" preview_240_000012.GIF "/>
….
<Image time=" 013000 " id=" preview_240_013000.GIF "/>
</timemline>
Step 460, client 120 asks preview graph according to the description file of preview graph to HTTP server.
Step 470, preview graph is sent to client 120 by HTTP server, and preview graph is cached to local by client 120
In memory.
Step 480, client 120 shows the preview graph of corresponding progress when user drags playing progress bar.
Specifically, user drag playing progress bar when, determine playing progress bar stop position and the time, according to when
Between obtain the preview graph of corresponding time and be shown.
Optionally, client 120 can in advance will according to the address information of preview graph from server when video playing starts
The locally downloading storage of all preview graphs, when user drags playing progress bar, from the local preview graph for obtaining the corresponding time
It is shown, this mode can show that preview graph, experience are more preferable in real time when user drags playing progress bar.
In addition, client 120 can also user drag progress bar when, judge progress bar stop position and it is corresponding when
Between, the preview graph of time is corresponded to according to the selection of time, is downloaded in real time from server according to the location information of preview graph corresponding
Preview graph is shown, and which can mitigate the storage pressure of client, can save the memory space of client.
It should be noted that the embodiment of the present application scheme is readily applicable to other http protocols such as HLS, it is such as applicable in HLS
The description information of preview graph can be included in M3U8 files by agreement, and specific implementation mode can refer to embodiment as above.
Those of ordinary skill in the art may realize that lists described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware
With the interchangeability of software, each exemplary composition and step are generally described according to function in the above description.This
A little functions are implemented in hardware or software actually, depend on the specific application and design constraint of technical solution.Specially
Industry technical staff can use different methods to achieve the described function each specific application, but this realization is not
It is considered as beyond the scope of this invention.
It is apparent to those skilled in the art that for convenience of description and succinctly, foregoing description is
The specific work process of system, device and unit, can refer to corresponding processes in the foregoing method embodiment, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component
It can be combined or can be integrated into another system, or some features can be ignored or not executed.In addition, shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be the INDIRECT COUPLING by some interfaces, device or unit
Or communication connection, can also be electricity, mechanical or other form connections.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the embodiment of the present invention
Purpose.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, can also be during two or more units are integrated in one unit.It is above-mentioned integrated
The form that hardware had both may be used in unit is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and sells or use as independent product
When, it can be stored in a computer read/write memory medium.Based on this understanding, technical scheme of the present invention is substantially
The all or part of the part that contributes to existing technology or the technical solution can be in the form of software products in other words
It embodies, which is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes the complete of each embodiment the method for the present invention
Portion or part steps.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or replace
It changes, these modifications or substitutions should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection domain subject to.
Claims (17)
1. a kind of methods of exhibiting of preview graph, which is characterized in that including：
Client obtains the index file of video frequency program from server, and the index file is that the display advertising of DASH agreements describes
(Media presentation description, MPD) file, the index file include the description information of preview graph；
The client obtains preview graph according to the preview graph description information；
The client shows the preview graph according to user operation instruction.
2. the method as described in claim 1, which is characterized in that the preview graph description information includes：
The corresponding temporal information of address information and preview graph of preview graph.
3. method as claimed in claim 1 or 2, which is characterized in that described in the client is shown according to user operation instruction
Preview graph, including：
When user drags playing progress bar, corresponding preview graph is shown according to the position of playing progress bar.
4. method as described in any one of claims 1-3, which is characterized in that the client describes to believe according to the preview graph
Breath obtains preview graph, including：
User drag playing progress bar before, according to the address information of the preview graph from server download preview graph storage to
It is local.
5. method as described in any one of claims 1-3, which is characterized in that the client describes to believe according to the preview graph
Breath obtains preview graph, including：
When user drags playing progress bar, believed according to the position of the playing progress bar and the preview graph corresponding time
Breath, determines the address information of corresponding preview graph, and preview is downloaded from server according to the address information of the preview graph of the determination
Figure.
6. a kind of methods of exhibiting of preview graph, which is characterized in that including：
Server sends the index file of video frequency program to client, and the index file is the MPD file of DASH agreements, described
Index file includes the description information of preview graph；
It receives client preview graph and downloads request；
The download request for responding the client, the client is sent to by the preview graph.
7. method as claimed in claim 6, which is characterized in that the preview graph description information includes：
The corresponding temporal information of address information and preview graph of preview graph.
8. method as claimed in claims 6 or 7, which is characterized in that the method further includes：
Preview graph and preview graph description information are generated according to preview graph create-rule.
9. method as claimed in claim 8, which is characterized in that the preview graph create-rule includes：
Preview graph duration information and preview graph resolution information.
10. a kind of client terminal device, including：
Receiver, the index file for obtaining video frequency program from server, the index file are the MPD texts of DASH agreements
Part, the index file include the description information of preview graph；
Processor, for obtaining preview graph according to the preview graph description information；The preview is shown according to user operation instruction
Figure.
11. client terminal device according to claim 10, which is characterized in that the preview graph description information includes：
The corresponding temporal information of address information and preview graph of preview graph.
12. the client terminal device as described in claim 10 or 11, which is characterized in that the processor is specifically used for：
When user drags playing progress bar, corresponding preview graph is shown according to the position of playing progress bar.
13. such as claim 10-12 any one of them client terminal devices, which is characterized in that the processor is additionally operable to：With
Before family drags playing progress bar, preview graph is downloaded from server according to the address information of the preview graph.
14. such as claim 10-12 any one of them methods, which is characterized in that the processor is additionally operable to：It is dragged in user
When playing progress bar, according to the position of the playing progress bar and the corresponding temporal information of the preview graph, determine corresponding
The address information of preview graph downloads preview graph according to the address information of the preview graph of the determination from server.
15. a kind of server, including：
Transmitter, the index file for sending video frequency program to client, the index file are the MPD texts of DASH agreements
Part, the index file include the description information of preview graph；
Receiver downloads request for receiving client preview graph；
The transmitter is additionally operable to respond the download request of the client, and the preview graph is sent to the client.
16. server as claimed in claim 15, which is characterized in that further include：
Processor, for generating preview graph and preview graph description information according to preview graph create-rule.
17. server as claimed in claim 16, which is characterized in that the preview graph create-rule includes：
Preview graph duration information and preview graph resolution information.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710170348.9A CN108632644B (en) | 2017-03-21 | 2017-03-21 | Preview display method and device |
| PCT/CN2018/078446 WO2018171437A1 (en) | 2017-03-21 | 2018-03-08 | Display method and device for preview image |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710170348.9A CN108632644B (en) | 2017-03-21 | 2017-03-21 | Preview display method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108632644A true CN108632644A (en) | 2018-10-09 |
| CN108632644B CN108632644B (en) | 2020-09-11 |
Family
ID=63586278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710170348.9A Active CN108632644B (en) | 2017-03-21 | 2017-03-21 | Preview display method and device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108632644B (en) |
| WO (1) | WO2018171437A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109561337A (en) * | 2018-11-19 | 2019-04-02 | 青岛海信传媒网络技术有限公司 | The playing method and device of preview video |
| CN110198452A (en) * | 2019-04-02 | 2019-09-03 | 腾讯科技（深圳）有限公司 | A kind of method for previewing of live video, apparatus and system |
| CN115499702A (en) * | 2021-06-18 | 2022-12-20 | 阿里巴巴新加坡控股有限公司 | Preview image display method and device, electronic equipment and storage medium |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102316370A (en) * | 2010-06-29 | 2012-01-11 | 腾讯科技（深圳）有限公司 | Method and device for displaying playback information |
| US20120023254A1 (en) * | 2010-07-20 | 2012-01-26 | University-Industry Cooperation Group Of Kyung Hee University | Method and apparatus for providing multimedia streaming service |
| CN102932679A (en) * | 2012-11-21 | 2013-02-13 | 合一网络技术(北京)有限公司 | Network video previewing system and method |
| CN103957471A (en) * | 2014-05-05 | 2014-07-30 | 华为技术有限公司 | Network video playing method and device |
| CN103974147A (en) * | 2014-03-07 | 2014-08-06 | 北京邮电大学 | MPEG (moving picture experts group)-DASH protocol based online video playing control system with code rate switch control and static abstract technology |
| CN104937583A (en) * | 2013-01-18 | 2015-09-23 | 华为技术有限公司 | Method and apparatus for performing adaptive streaming on media contents |
-
2017
- 2017-03-21 CN CN201710170348.9A patent/CN108632644B/en active Active
-
2018
- 2018-03-08 WO PCT/CN2018/078446 patent/WO2018171437A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102316370A (en) * | 2010-06-29 | 2012-01-11 | 腾讯科技（深圳）有限公司 | Method and device for displaying playback information |
| US20120023254A1 (en) * | 2010-07-20 | 2012-01-26 | University-Industry Cooperation Group Of Kyung Hee University | Method and apparatus for providing multimedia streaming service |
| CN102932679A (en) * | 2012-11-21 | 2013-02-13 | 合一网络技术(北京)有限公司 | Network video previewing system and method |
| CN104937583A (en) * | 2013-01-18 | 2015-09-23 | 华为技术有限公司 | Method and apparatus for performing adaptive streaming on media contents |
| CN103974147A (en) * | 2014-03-07 | 2014-08-06 | 北京邮电大学 | MPEG (moving picture experts group)-DASH protocol based online video playing control system with code rate switch control and static abstract technology |
| CN103957471A (en) * | 2014-05-05 | 2014-07-30 | 华为技术有限公司 | Network video playing method and device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109561337A (en) * | 2018-11-19 | 2019-04-02 | 青岛海信传媒网络技术有限公司 | The playing method and device of preview video |
| CN110198452A (en) * | 2019-04-02 | 2019-09-03 | 腾讯科技（深圳）有限公司 | A kind of method for previewing of live video, apparatus and system |
| CN110198452B (en) * | 2019-04-02 | 2021-09-14 | 腾讯科技（深圳）有限公司 | Live video previewing method, device and system |
| CN115499702A (en) * | 2021-06-18 | 2022-12-20 | 阿里巴巴新加坡控股有限公司 | Preview image display method and device, electronic equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018171437A1 (en) | 2018-09-27 |
| CN108632644B (en) | 2020-09-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20200275133A1 (en) | Computerized system and method for automatic highlight detection from live streaming media and rendering within a specialized media player | |
| CN103826159B (en) | The local offline player method and terminal of a kind of M3U8 format videos | |
| US10200723B2 (en) | Converting live streaming content to video-on-demand streaming content | |
| JP6064249B2 (en) | Dynamic adaptive streaming over hypertext transfer protocol client behavior framework and session management implementation | |
| CN106233734B (en) | Using live TV stream as ad serving | |
| CN106464945B (en) | Method, system and the computer-readable medium of enhanced stream media playback | |
| US8555163B2 (en) | Smooth streaming client component | |
| JP6172688B2 (en) | Content-specific identification and timing behavior in dynamic adaptive streaming over hypertext transfer protocols | |
| CN103650526B (en) | Playlists for real-time or near real-time streaming | |
| CN104396263B (en) | For the method and system of the real-time multiplexing transformation of streaming content | |
| US20170195744A1 (en) | Live-stream video advertisement system | |
| CN109565620A (en) | Low latency HTTP real-time streaming transport | |
| US9830948B1 (en) | Automated intelligent visualization of data through text and graphics | |
| CN108076364A (en) | Adaptive media spreads transfer device and media serving device | |
| CN103974147A (en) | MPEG (moving picture experts group)-DASH protocol based online video playing control system with code rate switch control and static abstract technology | |
| CN113767608B (en) | Method, apparatus and non-volatile computer readable medium for receiving media data of a session | |
| CN107872729A (en) | Obtain, generate the method and apparatus of frame of video thumbnail and obtain system | |
| CN108632644A (en) | The methods of exhibiting and equipment of preview graph | |
| CN109218755A (en) | A kind for the treatment of method and apparatus of media data | |
| US10419798B2 (en) | Method and apparatus for just-in-time transcoding | |
| JP6026414B2 (en) | Method and system for media program metadata callback supplement | |
| US9292081B2 (en) | Systems and methods for programmatically interacting with a media player | |
| US9049472B2 (en) | Systems and methods for dynamic media players utilizing media traits | |
| US20230336842A1 (en) | Information processing apparatus, information processing method, and program for presenting reproduced video including service object and adding additional image indicating the service object | |
| JP2022049708A (en) | Generation device, three-dimensional data transmission device, and three-dimensional data reproduction device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |