CN104581381A - Auxiliary terminal video browsing positioning method and device - Google Patents
Auxiliary terminal video browsing positioning method and device Download PDFInfo
- Publication number
- CN104581381A CN104581381A CN201510002615.2A CN201510002615A CN104581381A CN 104581381 A CN104581381 A CN 104581381A CN 201510002615 A CN201510002615 A CN 201510002615A CN 104581381 A CN104581381 A CN 104581381A
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- terminal video
- key frame
- frame
- browses
- positional information
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 239000000872 buffer Substances 0.000 claims description 31
- 239000000284 extract Substances 0.000 claims description 12
- 238000004364 calculation method Methods 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 13
- 230000004308 accommodation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008521 reorganization Effects 0.000 description 1
- 230000000007 visual effect Effects 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
- 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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
-
- 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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4335—Housekeeping operations, e.g. prioritizing content for deletion because of storage space restrictions
-
- 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
- H04N21/44004—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 involving video buffer management, e.g. video decoder buffer or video display buffer
-
- 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)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention provides an auxiliary terminal video browsing positioning method. The method includes the steps that position information of a cursor on a terminal video display interface is obtained, and an image frame corresponding to the current position information of the cursor is calculated according to the position information; the image frame, a previous preset numerical frame image of the image frame and a next preset numerical frame image of the image frame are extracted to serve as key frames and played automatically. The invention further provides an auxiliary terminal video browsing positioning device which comprises a detection module and an extracting and playing module. According to the method and device, the key frame images are automatically played, a user can position the image frame in video data conveniently, and the method and device are more accurate in positioning and higher in efficiency.
Description
Technical field
The present invention relates to P2P video network technical field, particularly a kind of terminal video browses assisted location method and device.
Background technology
By terminal browsing video, be the daily life needs of most people, each large video sharing website, under being supported, allows the online smoothness of Internet user issue, to browse and sharing video frequency works by comparatively perfect technology platform.
In actual applications, the content of video file often has larger redundancy, therefore all needs the prevailing scenario in video file to extract in a lot of occasion, selects oneself interested partial video content to carry out emphasis viewing to facilitate user; Or, if what user clearly will see is certain video frame image, think that quick position arrives the position of this frame, and from then on position starts to watch video, both of these case all needs to position, and prior art can only manually drag video progress to find usually, this method, the accuracy dragged is difficult to hold, and slight shake just probably can miss the scene of much wanting to watch, is difficult to realize accurate location.
Summary of the invention
The invention provides a kind of terminal video and browse assisted location method and device, to solve the problem.
Embodiments provide a kind of terminal video and browse assisted location method, comprise step:
Steps A, obtains the positional information of cursor on terminal video display interface, the picture frame that the positional information that cursor is current according to described positional information calculation is corresponding;
Step B, extracts described picture frame and front and back default value two field picture thereof as key frame, automatically plays.
Wherein, also step is comprised before described steps A:
CPU application to terminal is arranged in the dynamic area of this tag memory, as buffer sequence.
Wherein, after described steps A, before step B, also step is comprised:
Only by key frame stored in described buffer sequence.
Wherein, also step is comprised after described step B: empty described buffer sequence.
Wherein, described step B comprises step:
Extract described picture frame and front and back 10-90 two field picture thereof as key frame.
The present invention also provides a kind of terminal video to browse auxiliary locator, comprises detection module and extracts playing module;
Described detection module, for obtaining the positional information of cursor on terminal video display interface, the picture frame that the positional information that cursor is current according to described positional information calculation is corresponding;
Described extraction playing module, for extracting described picture frame and front and back default value two field picture thereof as key frame, plays automatically.
Wherein, buffer setting module is also comprised;
Described buffer setting module, for being arranged in the dynamic area of this tag memory to the CPU application of terminal, as buffer sequence, after determining key frame only by key frame images stored in described buffer sequence, and after having extracted key frame images, empty described buffer sequence.
Embodiments provide a kind of terminal video and browse assisted location method and device, by detecting the positional information of cursor, extract corresponding key frame, and the image near this key frame is play automatically, like this, user can in automatic playing process, know whether the image of current broadcasting has the content of wanting to watch exactly, compare the mode constantly loading video trial by dragging mouse, the accuracy of location is higher, and meanwhile, traditional mode needs repeated loading video, more consuming time, efficiency is lower;
In addition, buffer sequence is set, only by the video image near key frame stored in buffer sequence, instead of all picture frames, can greatly reduce the data processing amount of video playback thread like this, reduce the consumption of internal memory; After each video playback thread has extracted key frame from buffer sequence, all can clearing buffers sequence, therefore, the utilization rate of internal memory can be reduced, improve the processing speed of system.
Accompanying drawing explanation
Fig. 1 browses the schematic flow sheet of assisted location method for terminal video that the embodiment of the present invention provides;
Fig. 2 browses the structural representation of auxiliary locator for terminal video that the embodiment of the present invention provides.
Embodiment
Embodiments provide a kind of terminal video and browse assisted location method and device.Shown in Figure 1, as a kind of embodiment, the method comprising the steps of:
Step S110, obtains the positional information of cursor on terminal video display interface, the picture frame that the positional information that cursor is current according to this positional information calculation is corresponding.
Step S111, extraction picture frame and front and back default value two field picture thereof, as key frame, are play automatically.
Extraction picture frame and front and back default value two field picture thereof are as key frame, and namely the multiple image extracted near picture frame is key frame.Concrete numerical value can preset, and usually, this default value can be 10-90, such as, can extract front and back 30 two field picture and automatically play.
Extract key frame, can extract number frame before and after continuous print, formula of also can making a summary is extracted, and with the current image frame of cursor location for benchmark, 2 frames, 6 frames after front 1 frame, 4 frames, 7 frames, specific implementation can by those skilled in the art's accommodation.
The positional information of cursor on video display interface, mainly comprise the relative position relation of cursor and video playback progress bar (time shaft), first should judge that whether cursor is positioned at preset range near video playback progress bar in video display interface, be, then obtain its positional information, and by cursor position on a timeline, extract corresponding picture frame and neighbouring picture frame thereof, automatically play, like this, user need not click viewing video, can know near this position it is which content.
Preferably, the CPU application to terminal is arranged in the dynamic area of tag memory, using described dynamic area as buffer sequence.
Preferably, time tag corresponding to each key frame images is obtained in advance; When automatically playing key frame, showing corresponding time tag simultaneously, after obtaining the selection instruction for wherein a certain key frame images, jumping to time tag corresponding to this key frame images and carrying out video playback.
The present invention only by the key frame shown near video image stored in buffer sequence, instead of all picture frames, can greatly reduce the data processing amount of video playback thread like this, reduce the consumption of internal memory; After each video playback thread has extracted key frame from buffer sequence, all can empty the buffer sequence of variable-length, therefore, the utilization rate of internal memory can have been reduced, improve the processing speed of system.
The embodiment of the present invention also provides a kind of terminal video to browse auxiliary locator, shown in Figure 2, comprises detection module and extracts playing module.
Detection module, for obtaining the positional information of cursor on terminal video display interface, the picture frame corresponding according to the positional information that positional information calculation cursor is current.
Extracting playing module, for extracting picture frame and front and back default value two field picture thereof as key frame, automatically playing.
Preferably, this device also comprises buffer setting module.
Buffer setting module, for being arranged in the dynamic area of this tag memory to the CPU application of terminal, as buffer sequence, after determining key frame only by key frame images stored in described buffer sequence, and after having extracted key frame images, empty described buffer sequence.
It should be noted that, as a kind of embodiment, the technical scheme of the embodiment of the present invention, can based on HTML (HyperText Markup language, HTML) technology, adopt general js (JavaScript) class libraries, use XML model, be stored in relational database, AM/BAM uses ajax (Asynchronous Javascript And XML alternately, asynchronous JavaScript and XML) means such as technology realize, and ensure compatible major browsers, support production domesticization operating system.
The technical scheme that the embodiment of the present invention provides generally is implemented based on P2P (peer to peer) technology.Current domestic much large-scale video website all starts to adopt P2P pattern.P2P technology be a kind of on network for directly carrying out the technology of data exchange service between different computers without trunking.It adopts multi-multipoint principle, and the more speeds of download of people that the same time downloads a file are faster, be therefore often used to upload download movies, the file of the large discharge such as music.The cost that video website is maximum is all the time exactly bandwidth.Video website will reduce bandwidth cost, utilizes P2P technology to be the inevitable course.
Stream media technology have employed a kind of based on the brand-new Technology of Multimedia Stream Playing on P2P platform based on the Web TV of P2P, it makes full use of the advantage of P2P network, adopt peculiar technology, the computer node of other multiple users can be directly connected to, utilize self-action file block reorganization scheme, can accomplish to download to play.After application technical solution of the present invention, the operating pressure of related linear program can be reduced, promote the speed of the process video of terminal further.
To sum up, a kind of terminal video that the embodiment of the present invention provides browses auxiliary locator and method, detected by cursor position, play key frame, the technology such as buffer queue and low bit-rate transmission is set, be intended to propose a kind of method supporting to play particular video frequency key content, to solve in existing video playback website video-frequency playing content not to name, video content location is difficult, reduce the problem of Consumer's Experience, more illustrate video content visual pattern, simultaneously, located by video, buffer queue and key frame play-back technology, obviously increase the load pressure of memory space and increase user terminal.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element " being comprised " limited by statement, and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical factor.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (7)
1. terminal video browses an assisted location method, it is characterized in that, comprises step:
Steps A, obtains the positional information of cursor on terminal video display interface, the picture frame that the positional information that cursor is current according to described positional information calculation is corresponding;
Step B, extracts described picture frame and front and back default value two field picture thereof as key frame, automatically plays described key frame.
2. terminal video according to claim 1 browses assisted location method, it is characterized in that, also comprises step before described steps A:
CPU application to terminal is arranged in the dynamic area of this tag memory, as buffer sequence.
3. terminal video according to claim 2 browses assisted location method, it is characterized in that, after described steps A, also comprises step before step B:
Only by key frame stored in described buffer sequence.
4. terminal video according to claim 3 browses assisted location method, it is characterized in that, also comprises step after described step B: empty described buffer sequence.
5. terminal video according to claim 1 browses assisted location method, it is characterized in that, described step B comprises step:
Extract described picture frame and front and back 10-90 two field picture thereof as key frame.
6. terminal video browses an auxiliary locator, it is characterized in that, comprises detection module and extracts playing module;
Described detection module, for obtaining the positional information of cursor on terminal video display interface, the picture frame that the positional information that cursor is current according to described positional information calculation is corresponding;
Described extraction playing module, for extracting described picture frame and front and back default value two field picture thereof as key frame, plays automatically.
7. terminal video according to claim 6 browses auxiliary locator, it is characterized in that, also comprises buffer setting module;
Described buffer setting module, for being arranged in the dynamic area of this tag memory to the CPU application of terminal, as buffer sequence, after determining key frame only by key frame images stored in described buffer sequence, and after having extracted key frame images, empty described buffer sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510002615.2A CN104581381A (en) | 2015-01-04 | 2015-01-04 | Auxiliary terminal video browsing positioning method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510002615.2A CN104581381A (en) | 2015-01-04 | 2015-01-04 | Auxiliary terminal video browsing positioning method and device |
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| CN104581381A true CN104581381A (en) | 2015-04-29 |
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| CN201510002615.2A Pending CN104581381A (en) | 2015-01-04 | 2015-01-04 | Auxiliary terminal video browsing positioning method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105872606A (en) * | 2016-06-17 | 2016-08-17 | 努比亚技术有限公司 | Video positioning method and device |
| CN107801089A (en) * | 2017-11-22 | 2018-03-13 | 重庆人人生活家科技发展有限公司 | Intelligent TV set broadcasting control system |
| CN111954058A (en) * | 2020-08-13 | 2020-11-17 | 北京达佳互联信息技术有限公司 | Image processing method, image processing apparatus, electronic device, and storage medium |
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| CN111954058B (en) * | 2020-08-13 | 2023-11-21 | 北京达佳互联信息技术有限公司 | Image processing method, device, electronic equipment and storage medium |
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Application publication date: 20150429 |