CN104980817B - A kind of video flowing takes out frame method and device - Google Patents
A kind of video flowing takes out frame method and device Download PDFInfo
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- CN104980817B CN104980817B CN201510410412.7A CN201510410412A CN104980817B CN 104980817 B CN104980817 B CN 104980817B CN 201510410412 A CN201510410412 A CN 201510410412A CN 104980817 B CN104980817 B CN 104980817B
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000012634 fragment Substances 0.000 claims abstract description 104
- 238000000605 extraction Methods 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 12
- 238000004590 computer program Methods 0.000 description 7
- 239000000284 extract Substances 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/65—Network streaming protocols, e.g. real-time transport protocol [RTP] or real-time control protocol [RTCP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
- H04L65/762—Media network packet handling at the source
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
-
- 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
- H04N21/64322—IP
-
- 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
- H04N21/6437—Real-time Transport Protocol [RTP]
-
- 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
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a kind of video flowings to take out frame method and device, to realize that the video flowing to web terminal take out the purpose of frame.The described method includes: receive the frame to be extracted that web front-end is submitted fragment file serial number and play time in video streaming；According to the fragment file serial number and play time, frame to be extracted corresponding fragment in fragment file sequence is downloaded；The frame to be extracted is extracted from the fragment of downloading.
Description
Technical field
The present invention relates to multimedia technology field, in particular to a kind of video flowing takes out frame method and device.
Background technique
Take out frame be more commonly used video flowing effect process means, be generally used for video program production, video monitoring processing,
The fields such as video search.For the video file downloaded, client can chip sequence according to frame to be extracted and time point,
Local pumping frame tool is called, target frame is extracted, the target frame of extraction is then changed into picture and returns to client.However, for
The video flowing that the end web (network) plays can not directly be taken out in front end due to not saving the whole video file of broadcasting
Frame.
Summary of the invention
The present invention provides a kind of video flowing and takes out frame method and device, and the video flowing to realize to web terminal smoke frame
Purpose.
The present invention provides a kind of video flowing pumping frame method, comprising:
Receive the frame to be extracted that web front-end is submitted fragment file serial number and play time in video streaming；
According to the fragment file serial number and play time, it is right in fragment file sequence to download the frame to be extracted
The fragment answered；
The frame to be extracted is extracted from the fragment of downloading.
In an embodiment of the present invention, after extracting the frame to be extracted in the fragment of downloading, further includes:
The frame to be extracted of extraction is converted into picture to store.
In an embodiment of the present invention, the frame to be extracted of extraction is converted into after picture stored, further includes:
The picture of storage is returned to the web front-end to show.
The present invention also provides a kind of video flowings to take out frame method, comprising:
Web front-end determine frame to be extracted fragment file serial number and play time in video streaming；
The determining fragment file serial number and play time are committed to the interface of the webservice on backstage, by
The webservice extracts the frame to be extracted using the fragment file serial number and play time.
In an embodiment of the present invention, the method also includes:
The picture that the frame to be extracted that the webservice is returned is converted into is received, and is shown.
The present invention also provides a kind of video flowings to take out frame device, comprising:
Receiving module, for receive frame to be extracted institute's fragment file serial number in video streaming of web front-end submission with
Play time；
Download module, for downloading the frame to be extracted broken according to the fragment file serial number and play time
Corresponding fragment in piece file sequence；
Abstraction module, for extracting the frame to be extracted from the fragment of downloading.
In an embodiment of the present invention, described device further include:
Memory module, for after extracting the frame to be extracted in the fragment of downloading, being incited somebody to action in the abstraction module
The frame to be extracted extracted is converted into picture and is stored.
In an embodiment of the present invention, described device further include:
Output module carries out storing it for the frame to be extracted of extraction to be converted into picture in the memory module
Afterwards, the picture of storage the web front-end is returned to show.
The present invention also provides a kind of video flowings to take out frame device, comprising:
Determining module, for web front-end determine frame to be extracted fragment file serial number in video streaming and when playing
Between point；
Module is submitted, for the fragment file serial number and play time that determine to be committed to backstage
The interface of webservice, by the webservice using the fragment file serial number and play time extract it is described to
Extract frame.
In an embodiment of the present invention, described device further include:
Display module, the picture being converted into suitable for receiving the frame to be extracted that the webservice is returned, and show.
Some beneficial effects of the embodiment of the present invention may include:
In the embodiment of the present invention, receive the frame to be extracted that web front-end is submitted fragment file serial number in video streaming
And play time downloads frame to be extracted in fragment file sequence then according to fragment file serial number and play time
Corresponding fragment, and then frame to be extracted is extracted from the fragment of downloading.The embodiment of the present invention realizes the view to web terminal as a result,
Frequency stream take out the purpose of frame, and video can not be carried out to the video flowing of web terminal in the prior art by, which solving the problems, such as, takes out frame.And
And the embodiment of the present invention only needs to download the fragment file where frame to be extracted, without downloading entire video flowing fragment file, saves
About system resource improves the efficiency of video fragment file download, and then improves the efficiency that video flowing takes out frame.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by written explanation
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart that video flowing takes out frame method in one embodiment of the invention；
Fig. 2 is the flow chart that video flowing takes out frame method in another embodiment of the present invention；
Fig. 3 is the flow chart that video flowing takes out frame method in further embodiment of this invention；
Fig. 4 is the structural schematic diagram that video flowing takes out frame device in one embodiment of the invention；
Fig. 5 is the structural schematic diagram that video flowing takes out frame device in another embodiment of the present invention；
Fig. 6 is the structural schematic diagram that video flowing takes out frame device in another embodiment of the present invention；And
Fig. 7 is the structural schematic diagram that video flowing takes out frame device in further embodiment of this invention.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Fig. 1 show the flow chart that video flowing in one embodiment of the invention takes out frame method, and this approach includes the following steps
S11-S13:
Step S11, when receiving the frame to be extracted institute's fragment file serial number in video streaming and broadcasting that web front-end is submitted
Between point.
It is right in fragment file sequence to download frame to be extracted according to fragment file serial number and play time by step S12
The fragment answered.
Step S13 extracts frame to be extracted from the fragment of downloading.
In the embodiment of the present invention, receive the frame to be extracted that web front-end is submitted fragment file serial number in video streaming
And play time downloads frame to be extracted in fragment file sequence then according to fragment file serial number and play time
Corresponding fragment, and then frame to be extracted is extracted from the fragment of downloading.The embodiment of the present invention realizes the view to web terminal as a result,
Frequency stream take out the purpose of frame, and video can not be carried out to the video flowing of web terminal in the prior art by, which solving the problems, such as, takes out frame.And
And the embodiment of the present invention only needs to download the fragment file where frame to be extracted, without downloading entire video flowing fragment file, saves
About system resource improves the efficiency of video fragment file download, and then improves the efficiency that video flowing takes out frame.
In an embodiment of the present invention, above-mentioned steps S11 to step S13 can apply the webservice on the backstage web
In (network service).Webservice technology can make the different application operated on different machines need not be by additional, special
The third party software or hardware of door, so that it may be exchanged with each other data or integrated.According to webservice enforcement of regulations between,
No matter what their used language, platform or internal agreements are, can be exchanged with each other data.Webservice is to retouch certainly
It states, self-contained available network module, specific business function can be executed.
In another embodiment of the invention, due to stream media network transport protocol (HLS, HTTP Live
It Streaming) is the streaming media transmission protocol based on hypertext transfer protocol, the characteristics of HLS protocol is to carry out video file
Slice storage, and generate the index m3u8 file of media data and the fragment file of media data, wherein m3u8 file is used for
Video file is organized together to download for multimedia player in the form of playlist and is played.Thus, above-mentioned steps S12
In can use m3u8 file determine frame to be extracted fragment file serial number in video streaming and play time it is corresponding
Fragment.
In addition, if the quantity of frame to be extracted include it is multiple, can for each frame to be extracted download one by one it is corresponding broken
Piece simultaneously extracts corresponding video frame, and the pumping of video frame will can also be carried out again after the completion of the corresponding fragment downloading of all frames to be extracted
It takes.Here, the size of each fragment file can fix, such as fixed size is 10 seconds, 20 seconds etc., can also be not fixed, this
It invents without limitation.
In another embodiment of the present invention, after step s 13, the frame to be extracted of extraction can also be converted into picture
It is stored, and then the picture of storage is returned into web front-end and is shown, to realize the convenient displaying taken out after frame.
Based on the same inventive concept, Fig. 2 show the flow chart that video flowing in another embodiment of the present invention takes out frame method, should
Method is applied in web front-end, includes the following steps S21-S22:
Step S21, web front-end determine frame to be extracted fragment file serial number and play time in video streaming.
Determining fragment file serial number and play time are committed to connecing for the webservice on backstage by step S22
Mouthful, frame to be extracted is extracted using fragment file serial number and play time by webservice.
Video flowing where can determining frame to be extracted in the embodiment of the present invention, in above-mentioned steps S21 in several ways
In fragment file serial number and play time, for example, frame selection operation to be extracted from the user is received, according to the selection
Operation is determined；For another example, the characteristic information for obtaining frame to be extracted, by the characteristic information of frame to be extracted in video flowing fragment file
In matched, be determined according to matched position.For another example, the characteristic information for obtaining frame to be extracted, by the spy of frame to be extracted
Reference breath is matched in index m3u8 file, is determined according to matched position.
In an embodiment of the present invention, what the frame to be extracted that web front-end can also receive webservice return was converted into
Picture, and show, to realize the convenient displaying taken out after frame.
The realization process that video flowing of the invention takes out frame method is discussed in detail below by a specific embodiment.
Fig. 3 show the flow chart that video flowing in further embodiment of this invention takes out frame method, and this approach includes the following steps
S31-S37:
Step S31, web front-end determine frame to be extracted fragment file serial number and play time in video streaming.
In the step, web front-end determine frame to be extracted fragment file serial number and play time in video streaming
Embodiment can be found in above, details are not described herein again.
Determining fragment file serial number and play time are committed to backstage by step S32, web front-end
The interface of webservice.
Step S33, webservice receive the frame to be extracted that web front-end is submitted fragment file sequence in video streaming
Number and play time.
Step S34, webservice download frame to be extracted in fragment text according to fragment file serial number and play time
Corresponding fragment in part sequence.
Step S35, webservice, which is called, takes out frame tool, and frame to be extracted is extracted from the fragment of downloading.
In this step, if the quantity of frame to be extracted include it is multiple, can be downloaded one by one pair for each frame to be extracted
The fragment answered simultaneously extracts corresponding video frame, will can also carry out again video after the completion of the corresponding fragment downloading of all frames to be extracted
The extraction of frame.Here, the size of each fragment file can fix, such as fixed size is 10 seconds, 20 seconds etc., can not also be consolidated
Fixed, the present invention is without limitation.
The frame to be extracted of extraction is converted into picture and stored by step S36, webservice, and the picture of storage is returned
Back to web front-end.
Step S37, web front-end receives the picture that the frame to be extracted that webservice is returned is converted into, and shows.
The embodiment of the present invention realizes the purpose for take out to the video flowing of web terminal frame.Also, the embodiment of the present invention only needs
The fragment file where frame to be extracted is downloaded, without downloading entire video flowing fragment file, system resource has been saved, has improved view
The efficiency of frequency fragment file download, and then improve the efficiency that video flowing takes out frame.
Frame method is taken out corresponding to the video flowing in above-described embodiment, the present invention also provides a kind of video flowings to take out frame device.Such as
Fig. 4 show the structural schematic diagram that video flowing in one embodiment of the invention takes out frame device, comprising:
Receiving module 41, for receive web front-end submission frame to be extracted fragment file serial number in video streaming
And play time；
Download module 42, for downloading the frame to be extracted and existing according to the fragment file serial number and play time
Corresponding fragment in fragment file sequence；
Abstraction module 43, for extracting the frame to be extracted from the fragment of downloading.
In an embodiment of the present invention, as shown in figure 5, the device that figure 4 above is shown can also include:
Memory module 51, for above-mentioned abstraction module 43 extracted from the fragment of downloading the frame to be extracted it
Afterwards, the frame to be extracted of extraction picture is converted into store.
In an embodiment of the present invention, as shown in figure 5, the device that figure 4 above is shown can also include:
Output module 52 carries out storing it for the frame to be extracted of extraction to be converted into picture in memory module 51
Afterwards, the picture of storage the web front-end is returned to show.
Correspondingly, it is illustrated in figure 6 the structural schematic diagram that video flowing in another embodiment of the present invention takes out frame device, the device
It applies in web front-end, may include:
Determining module 61, for web front-end determine frame to be extracted fragment file serial number and broadcasting in video streaming
Time point；
Module 62 is submitted, for the fragment file serial number and play time that determine to be committed to backstage
The interface of webservice, by the webservice using the fragment file serial number and play time extract it is described to
Extract frame.
In an embodiment of the present invention, as shown in fig. 7, the device that above-mentioned Fig. 6 is shown can also include:
Display module 71, the picture being converted into suitable for receiving the frame to be extracted that the webservice is returned, and show
Show.
The above-mentioned apparatus of the embodiment of the present invention: it is literary to receive the frame to be extracted institute fragment in video streaming that web front-end is submitted
Part sequence number and play time download frame to be extracted in fragment text then according to fragment file serial number and play time
Corresponding fragment in part sequence, and then frame to be extracted is extracted from the fragment of downloading.The embodiment of the present invention realizes pair as a result,
The video flowing of web terminal take out the purpose of frame, and video can not be carried out to the video flowing of web terminal in the prior art by, which solving, smoke frame
Problem.Also, the embodiment of the present invention only needs to download the fragment file where frame to be extracted, without downloading entire video flowing fragment
File has saved system resource, improves the efficiency of video fragment file download, and then improves the efficiency that video flowing takes out frame.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The shape for the computer program product implemented in usable storage medium (including but not limited to magnetic disk storage and optical memory etc.)
Formula.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (4)
1. a kind of video flowing takes out frame method characterized by comprising
Receive the frame to be extracted that web front-end is submitted fragment file serial number and play time in video streaming；
According to the fragment file serial number and play time, it is corresponding in fragment file sequence to download the frame to be extracted
Fragment；
The frame to be extracted is extracted from the fragment of downloading；
After extracting the frame to be extracted in the fragment of downloading, further includes:
The frame to be extracted of extraction is converted into picture to store；
Submit frame to be extracted before fragment file serial number and play time in video streaming, comprising:
The characteristic information for obtaining frame to be extracted matches the characteristic information of frame to be extracted, root in video flowing fragment file
According to matched position be determined the frame to be extracted fragment file serial number and play time in video streaming；Or
The characteristic information for obtaining frame to be extracted matches the characteristic information of frame to be extracted in index m3u8 file, according to
Matched position be determined the frame to be extracted fragment file serial number and play time in video streaming.
2. being deposited the method according to claim 1, wherein the frame to be extracted of extraction is converted into picture
After storage, further includes:
The picture of storage is returned to the web front-end to show.
3. a kind of video flowing takes out frame device characterized by comprising
Receiving module, for receive web front-end submission frame to be extracted fragment file serial number and broadcasting in video streaming
Time point；
Download module, for downloading the frame to be extracted in fragment text according to the fragment file serial number and play time
Corresponding fragment in part sequence；
Abstraction module, for extracting the frame to be extracted from the fragment of downloading；
Further include:
Memory module, for after extracting the frame to be extracted in the fragment of downloading, will be extracted in the abstraction module
The frame to be extracted be converted into picture and stored；
The abstraction module, be also used to submit frame to be extracted fragment file serial number and play time in video streaming
Before, the characteristic information for obtaining frame to be extracted matches the characteristic information of frame to be extracted, root in video flowing fragment file
According to matched position be determined the frame to be extracted fragment file serial number and play time in video streaming；Or
The characteristic information for obtaining frame to be extracted matches the characteristic information of frame to be extracted in index m3u8 file, according to
Matched position be determined the frame to be extracted fragment file serial number and play time in video streaming.
4. device according to claim 3, which is characterized in that further include:
Output module will for being converted into the frame to be extracted of extraction after picture stored in the memory module
The picture of storage returns to the web front-end and is shown.
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| CN201510410412.7A CN104980817B (en) | 2015-07-13 | 2015-07-13 | A kind of video flowing takes out frame method and device |
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| CN108377429A (en) * | 2018-04-24 | 2018-08-07 | 中国广播电视网络有限公司 | A kind of demolition of video flowing and take out frame method |
| CN111930998A (en) * | 2020-09-09 | 2020-11-13 | 蘑菇车联信息科技有限公司 | Video frame extraction method and device |
| CN112541390B (en) * | 2020-10-30 | 2023-04-25 | 四川天翼网络股份有限公司 | Frame extraction dynamic scheduling method and system for examination video violation analysis |
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| CN100382582C (en) * | 2005-05-13 | 2008-04-16 | 中兴通讯股份有限公司 | Method and apparatus for implementing static image trap of digital television receiver |
| CN102082945A (en) * | 2011-01-26 | 2011-06-01 | 青岛海信电器股份有限公司 | Method for realizing multi-party video calls, video terminal and system |
| US8751807B2 (en) * | 2011-06-23 | 2014-06-10 | Azuki Systems Inc. | Method and system for secure over-the-top live video delivery |
| CN104683858B (en) * | 2015-02-13 | 2017-12-01 | 北京数码视讯科技股份有限公司 | A kind of method for previewing and device of the content of Streaming Media |
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| CN102970508A (en) * | 2012-11-20 | 2013-03-13 | 无锡乾煜信息技术有限公司 | Frame extraction storing method for digital video surveillance |
| CN103491427A (en) * | 2013-09-11 | 2014-01-01 | 天脉聚源(北京)传媒科技有限公司 | Method and device for processing video |
| CN104639951A (en) * | 2013-11-06 | 2015-05-20 | 杭州海康威视数字技术股份有限公司 | Video bitstream frame extraction process and device |
| CN104639900A (en) * | 2015-02-03 | 2015-05-20 | 广西智询信息科技有限公司 | RTMP-to-M3U8 video slicing system and method |
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Denomination of invention: A video stream frame extraction method and device Effective date of registration: 20210104 Granted publication date: 20181221 Pledgee: Inner Mongolia Huipu Energy Co.,Ltd. Pledgor: WUXI TVMINING MEDIA SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2020990001517 |
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