CN104735552A - Live video label inserting method and system - Google Patents
Live video label inserting method and system Download PDFInfo
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- CN104735552A CN104735552A CN201310716737.9A CN201310716737A CN104735552A CN 104735552 A CN104735552 A CN 104735552A CN 201310716737 A CN201310716737 A CN 201310716737A CN 104735552 A CN104735552 A CN 104735552A
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- live video
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/8126—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts
- H04N21/8133—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts specifically related to the content, e.g. biography of the actors in a movie, detailed information about an article seen in a video program
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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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/8543—Content authoring using a description language, e.g. Multimedia and Hypermedia information coding Expert Group [MHEG], eXtensible Markup Language [XML]
Abstract
The invention relates to the technical field of video playing, in particular to a live video label inserting method and system. The method comprises the steps that a label generating device receives live video in advance, and frame data information of a specific frame and corresponding label data are generated; a real-time label inserting device receives an EPG, the live video, the frame data information of the specific frame and the corresponding label data, according to the EPG and the frame data information, the specific frame in the live video is found, and the label data are inserted into the specific frame; and an operator server sends the live video with the inserted specific frame to a user terminal. According to the method and system, a label can be inserted into the live video, the current played image of the live video is located accurately, and accordingly more information can be provided for a user or an operator.
Description
Technical field
The present invention relates to video display arts field, is the method and system that a kind of live video label inserts concretely.
Background technology
Cultural industry development and the integration of three networks are just promoting the track that China Digital TV moves towards fast-developing.Can predict, under Industrial Convergence and technology humanized, Digital Television related service will increase substantially the coming years, and Digital Television enters Rapid development stage.
Effective mode is not had to determine the locating information of the video frequency program that user is playing in the live video of prior art, thus have impact on the development of some live video business, such as due to the audience information of user cannot be known easily, normally adopt and install auxiliary equipment additional in set top box side, the such as equipment such as camera, Infrared Detectors obtains the real-time audience information of user, this mode may cause the leakage of privacy of user and suffer that user refuses to use, and the collection that the cost of its auxiliary equipment causes this audience information is equally difficult to promote; In some live video programs, add focus or other content can chosen for user, region, thus value-added service about live video programme content can be provided to user.
Summary of the invention
In order to solve orientation problem content-based in live video in prior art, thus a difficult problem for multiple live video program application cannot be realized, provide the method and system that a kind of live video label inserts, label can be added in live video program, thus live video frequency program can be located.
Embodiments provide a kind of method that live video label inserts, comprise,
Label generating apparatus receives live video in advance, generates the frame of data information of particular frame and corresponding label data;
The frame of data information of real-time tag insertion apparatus reception EPG, live video, described particular frame and corresponding label data, find the particular frame in live video according to described EPG and described frame of data information, and described label data is inserted in described particular frame;
The live video inserting particular frame is sent to user terminal by carrier server.
The embodiment of the present invention additionally provides a kind of live video label insertion system, comprises,
Label generating apparatus, for receiving live video in advance, generates the frame of data information of particular frame and corresponding label data;
Real-time tag insertion apparatus, for receiving EPG, live video, the frame of data information of described particular frame and corresponding label data, find the particular frame in live video according to described EPG and described frame of data information, and described label data is inserted in described particular frame;
Carrier server, for being sent to user terminal by the live video inserting particular frame.
By the method and system of above-described embodiment, label can be added in live video, accurately live video current playing frames be positioned, thus more information can be provided to user or operator.
Accompanying drawing explanation
Read the detailed description to embodiment in conjunction with the following drawings, above-mentioned feature and advantage of the present invention, and extra feature and advantage, will be more readily apparent from.
Figure 1 shows that the method flow diagram that a kind of live video label of the embodiment of the present invention inserts;
Figure 2 shows that the system configuration schematic diagram that a kind of live video label of the embodiment of the present invention inserts;
Figure 3 shows that the detailed structure view of a kind of live video label of embodiment of the present invention insertion system;
Figure 4 shows that another detailed structure view of a kind of live video label of embodiment of the present invention insertion system.
Embodiment
Description below can make any those skilled in the art utilize the present invention.Specific embodiment and the descriptor provided in applying are only example.Various extension and the combination of embodiment as described herein are apparent for those skilled in the art, and when not departing from the spirit and scope of the invention, the rule of the present invention's definition can be applied in other embodiments and application.Therefore, the present invention is not only limited to shown embodiment, and the maximum magnitude consistent with principle shown in this paper and feature is contained in the present invention.
Be illustrated in figure 1 the method flow diagram that a kind of live video label of the embodiment of the present invention inserts.
Comprise step 101, label generating apparatus receives live video in advance, generates the frame of data information of particular frame and corresponding label data.
Step 102, the frame of data information of real-time tag insertion apparatus reception EPG, live video, described particular frame and corresponding label data, find the particular frame in live video according to described EPG and described frame of data information, and described label data is inserted in described particular frame.
Step 103, the live video inserting particular frame is sent to user terminal by carrier server.
As one embodiment of the present of invention, in described step 101, the frame of data information of described particular frame comprises, the relative time of two field picture in live video; Described label data comprises, the identifier of described two field picture.
As one embodiment of the present of invention, described frame of data information also comprises two field picture.
As one embodiment of the present of invention, described label data also comprises the related information of described two field picture.
As one embodiment of the present of invention, in described step 102, find the particular frame in live video to comprise according to described EPG and described frame of data information, add that the relative time of described two field picture in live video finds described particular frame according to the broadcast time of live video described in described EPG.
As one embodiment of the present of invention, the particular frame in live video is found to comprise according to described EPG and described frame of data information, add that the relative time of described two field picture in live video obtains the absolute time of described two field picture appearance according to the broadcast time of live video described in described EPG, within the scope of the predetermined window of described absolute time, frame identical with described two field picture in more described live video, using this frame as described particular frame.
As one embodiment of the present of invention, in described step 102, described label data is inserted into described particular frame and comprises further, described label data is placed in the private setting descriptor field in described particular frame packet header.
As one embodiment of the present of invention, also comprise after described step 103, after described user terminal receives described live video, resolve described live video, before described live video decoding is outputted to display, read the identifier in the particular frame of described live video, described identifier is fed back to far-end server.By above-mentioned technological means, far-end server can receive the concrete viewing-data of user terminal viewing live video, such as can get the viewing-data that user terminal watches some picture in certain live video, like this can be more careful in viewership statistics.
As one embodiment of the present of invention, also comprise after described step 103, after described user terminal receives described live video, resolve described live video, before described live video decoding is outputted to display, reading the related information in the particular frame of described live video, when user terminal is when playing described live video, in described particular frame, showing described related information.By above-mentioned technological means, the more information relevant to video content can be provided when playing live video to user, such as, when playing live video, the details of some article or scene in display frame.
By above-described embodiment, label can be added in live video, accurately live video current playing frames be positioned, thus more information can be provided to user or operator.
Be illustrated in figure 2 the system configuration schematic diagram that a kind of live video label of the embodiment of the present invention inserts.
Comprising label generating apparatus 201, for receiving live video in advance, generating the frame of data information of particular frame and corresponding label data.
Real-time tag insertion apparatus 202, for receiving EPG, live video, the frame of data information of described particular frame and corresponding label data, find the particular frame in live video according to described EPG and described frame of data information, and described label data is inserted in described particular frame.
Carrier server 203, for being sent to user terminal 204 by the live video inserting particular frame.
As one embodiment of the present of invention, the frame of data information of described particular frame comprises, the relative time of two field picture in live video; Described label data comprises, the identifier of described two field picture.
As one embodiment of the present of invention, described frame of data information also comprises two field picture.
As one embodiment of the present of invention, described label data also comprises the related information of described two field picture.
As one embodiment of the present of invention, also adder 2021 is comprised further in described real-time tag insertion apparatus 202, described adder 2021 adds the relative time of described two field picture in live video according to the broadcast time of live video described in described EPG, and described real-time tag insertion apparatus 202 finds described particular frame according to the result of calculation of adder 2021.
As one embodiment of the present of invention, also adder 2021 is comprised further in described real-time tag insertion apparatus 202, comparing unit 2022, according to the broadcast time of live video described in described EPG, described adder 2021 adds that the relative time of described two field picture in live video obtains the absolute time of described two field picture appearance, described comparing unit 2022, within the scope of the predetermined window of described absolute time, frame identical with described two field picture in more described live video, described real-time tag insertion apparatus 202 using this frame as described particular frame.
As one embodiment of the present of invention, in described real-time tag insertion apparatus 202, also comprise plug-in unit 2023 further, described label data is placed in the private setting descriptor field in described particular frame packet header.
As one embodiment of the present of invention, described user terminal 204 also comprises feedback unit 2041, after described user terminal receives described live video, resolve described live video, before described live video decoding is outputted to display, described feedback unit 2041 reads the identifier in the particular frame of described live video, and described identifier is fed back to far-end server.
As one embodiment of the present of invention, described user terminal 204 also comprises reading unit 2042, display unit 2043, after described user terminal receives described live video, resolve described live video, before described live video decoding is outputted to display, described reading unit 2042 reads the related information in the particular frame of described live video, described display unit 2043, for when user terminal is when playing described live video, shows described related information in described particular frame.
Wherein said user terminal can be Set Top Box or the terminal with audio and video playing function.
By above-described embodiment, label can be added in live video, accurately live video current playing frames be positioned, thus more information can be provided to user or operator.
Be illustrated in figure 3 the detailed structure view of a kind of live video label of embodiment of the present invention insertion system.
Comprise source of media server 301, label generating apparatus 302, satellite 303, carrier server 304, real-time tag insertion apparatus 305, user terminal 306, far-end server 307.
Step 401, source of media server 301 sends EPG and live video to described label generating apparatus 302 in advance.
Step 402, described label generating apparatus 302 generates the frame of data information of particular frame and corresponding label data.
Step 403, described frame of data information and corresponding label data are sent to satellite 303 by described label generating apparatus 302.
Step 404, described carrier server 304 receives described frame of data information and corresponding label data.
Step 405, described source of media server 301 by live video and EPG real-time be sent to satellite 303.(wherein, EPG also just can send in advance before live)
Step 406, described carrier server 304 receives described real-time live video and EPG.
Step 407, described carrier server 304, by described real-time live video, EPG, also has frame of data information and corresponding label data to send to described real-time tag insertion apparatus 305.
Concrete, described frame of data information comprises the relative time of a certain two field picture in live video, such as, occur this two field picture for starting 5 minutes whole time apart from this live video; Recording this live video in EPG, to start broadcast time be 9 o'clock sharps; Described real-time tag insertion apparatus 305 by live video broadcast time 9 of recording in described EPG o'clock sharp+absolute time that occurs of the relative time that occurs of this two field picture described 5 minutes whole=these two field pictures.
Step 408, described real-time tag insertion apparatus 305 finds the particular frame in described real-time live video according to described EPG and described frame of data information, and to be inserted into by described label data in described particular frame and to send to carrier server 304.
Described real-time tag insertion apparatus 305, when broadcasting described live video to user terminal 306, inserts described label data in the two field picture of the live video of described absolute time, and label data can be only an identifier in this example.
The described label data that inserts in two field picture can be such as that the frame of video transmitted in live video all has packet header, and the private setting descriptor field that described label data is placed in this frame of video packet header is sent to terminal.
Form as shown in table 1 below such as can be adopted to insert label data:
Table 1 tag data format
| Private setting descriptor identifies | Type | Length | Identifier |
As another embodiment, also two field picture is comprised in described frame of data information, described real-time tag insertion apparatus 305 is when broadcasting described live video to user terminal 306, can also in of a described absolute time predetermined window, the frame of video that such as search is identical with described two field picture in 9: 5 whole front and back 5 seconds, such as can adopt Y-PSNR (Peak Signalto Noise Ratio, PSNR) image comparison method and such as SAD (Sum of absolutedifferences) image matching algorithm carry out image ratio comparatively, label data is inserted in this frame of video of live video.
Described label data comprises the information relevant to this frame of video Scene (such as scene starts, the information that terminates in this example, the descriptor of scene), or comprise the information (such as comprising the information of certain position article in picture) be associated with picture in this frame of video.
Step 409, the live video adding label is sent to user terminal 306 by network by described carrier server 304.
Step 410, described user terminal 306 is after parsing live video, and when playing this live video, when a certain two field picture comprises label data (identifier), then distally server 307 sends this identifier or response, thus notice far-end server 307.
Step 411, described far-end server 307 carries out viewership statistics.
Be illustrated in figure 4 another detailed structure view of a kind of live video label of embodiment of the present invention insertion system.
Comprise source of media server 501, label generating apparatus 502, satellite 503, carrier server 504, real-time tag insertion apparatus 505, user terminal 506, third party EPG server 507.
Step 601, source of media server 501 sends EPG and live video to described label generating apparatus 502 in advance.
Step 602, described label generating apparatus 502 generates the frame of data information of particular frame and corresponding label data.
Step 603, carrier server 504 obtains EPG information from third party EPG server 507.
Step 604, carrier server 504 sends request to described label generating apparatus 502, and request label generating apparatus 502 returns frame of data information and corresponding label data.Wherein, the programm name of live video is comprised in this request.
Step 605, corresponding frame of data information and corresponding label data are sent to carrier server 504 according to described request by label generating apparatus 502.
Above-mentioned steps 604 and step 605 all can be communicated by the Internet.
Step 606, described source of media server 501 live video real-time be sent to satellite 503.
Step 607, described carrier server 504 receives described real-time live video.
Step 608-step 610 is similar with step 407-step 409 in above-described embodiment, does not repeat them here.
Step 611, described user terminal 306 is after parsing live video, when playing this live video, when described label data comprises scenario-related information, user can by remote controller or other control modes input relevant options, the information that display is relevant to the current frame of video scene play in a display device, such as while broadcasting current video, video playback progress bar shows about scenario-related information, namely, progress bar there is certain position mark, the suspension word of this position mark place display is the information relevant to program itself, the beginning of such as program, the end of program, the switching of picture, the climax of program, the bright spot of program, VIP appears on the scene etc.
In another embodiment, when label data comprises the information associated with picture, in the display unit of this video frame images of display, then demonstrate the identifier information of some object in picture, such as, in the picture brand, distributors's information, purchase link etc. of sofa.
By the method and system of above-described embodiment, label can be added in live video, accurately live video current playing frames be positioned, thus more information can be provided to user or operator.
The present invention can realize in any suitable form, comprises hardware, software, firmware or their combination in any.The present invention can according to circumstances selectively partly realize, and such as software performing is in one or more data processor and digital signal processor.Element and the assembly of each embodiment herein can realize physically, functionally, in logic in any suitable manner.In fact, a function can the part in separate unit, in one group of unit or as other functional units realize.Therefore, this system and method both can realize in separate unit, also can be distributed between different unit and processor physically and functionally.
Technical staff in the related art will recognize that, embodiments of the invention have many possible amendments and combination, although form is slightly different, still adopts identical fundamental mechanism and method.In order to the object explained, aforementioned description with reference to several specific embodiment.But above-mentioned illustrative discussion is not intended to exhaustive or limits the precise forms of inventing herein.Above, many modifications and variations are possible.Selected and described embodiment, in order to explain principle of the present invention and practical application thereof, in order to the amendment for application-specific, the distortion that enable those skilled in the art utilize the present invention and each embodiment best.
Claims (18)
1. a method for live video label insertion, is characterized in that comprising,
Label generating apparatus receives live video in advance, generates the frame of data information of particular frame and corresponding label data;
The frame of data information of real-time tag insertion apparatus reception EPG, live video, described particular frame and corresponding label data, find the particular frame in live video according to described EPG and described frame of data information, and described label data is inserted in described particular frame;
The live video inserting particular frame is sent to user terminal by carrier server.
2. the method for a kind of live video label insertion according to claim 1, it is characterized in that, live video is received in advance at label generating apparatus, generate in the frame of data information of particular frame and corresponding label data, the frame of data information of described particular frame comprises, the relative time of two field picture in live video; Described label data comprises, the identifier of described two field picture.
3. the method for a kind of live video label insertion according to claim 2, it is characterized in that, described frame of data information also comprises two field picture.
4. the method for a kind of live video label insertion according to claim 2, it is characterized in that, described label data also comprises the related information of described two field picture.
5. the method for a kind of live video label insertion according to claim 2, it is characterized in that, find the particular frame in live video to comprise according to described EPG and described frame of data information, add that the relative time of described two field picture in live video finds described particular frame according to the broadcast time of live video described in described EPG.
6. the method for a kind of live video label insertion according to claim 3, it is characterized in that, the particular frame in live video is found to comprise according to described EPG and described frame of data information, add that the relative time of described two field picture in live video obtains the absolute time of described two field picture appearance according to the broadcast time of live video described in described EPG, within the scope of the predetermined window of described absolute time, frame identical with described two field picture in more described live video, using this frame as described particular frame.
7. the method for a kind of live video label insertion according to claim 1, is characterized in that, described label data is inserted into described particular frame and comprises further, described label data is placed in the private setting descriptor field in described particular frame packet header.
8. the method for a kind of live video label insertion according to claim 2, it is characterized in that, after described user terminal receives described live video, resolve described live video, before described live video decoding is outputted to display, read the identifier in the particular frame of described live video, described identifier is fed back to far-end server.
9. the method for a kind of live video label insertion according to claim 4, it is characterized in that, after described user terminal receives described live video, resolve described live video, before described live video decoding is outputted to display, reading the related information in the particular frame of described live video, when user terminal is when playing described live video, in described particular frame, showing described related information.
10. a live video label insertion system, is characterized in that comprising,
Label generating apparatus, for receiving live video in advance, generates the frame of data information of particular frame and corresponding label data;
Real-time tag insertion apparatus, for receiving EPG, live video, the frame of data information of described particular frame and corresponding label data, find the particular frame in live video according to described EPG and described frame of data information, and described label data is inserted in described particular frame;
Carrier server, for being sent to user terminal by the live video inserting particular frame.
11. a kind of live video label insertion systems according to claim 10, it is characterized in that, the frame of data information of described particular frame comprises, the relative time of two field picture in live video; Described label data comprises, the identifier of described two field picture.
12. a kind of live video label insertion systems according to claim 11, it is characterized in that, described frame of data information also comprises two field picture.
13. a kind of live video label insertion systems according to claim 12, it is characterized in that, described label data also comprises the related information of described two field picture.
14. a kind of live video label insertion systems according to claim 11, it is characterized in that, also adder is comprised further in described real-time tag insertion apparatus, described adder adds the relative time of described two field picture in live video according to the broadcast time of live video described in described EPG, and described real-time tag insertion apparatus finds described particular frame according to the result of calculation of adder.
15. a kind of live video label insertion systems according to claim 12, it is characterized in that, also adder is comprised further in described real-time tag insertion apparatus, comparing unit, according to the broadcast time of live video described in described EPG, described adder adds that the relative time of described two field picture in live video obtains the absolute time of described two field picture appearance, described comparing unit, within the scope of the predetermined window of described absolute time, frame identical with described two field picture in more described live video, described real-time tag insertion apparatus using this frame as described particular frame.
16. a kind of live video label insertion systems according to claim 11, is characterized in that, also comprise plug-in unit further in described real-time tag insertion apparatus, described label data is placed in the private setting descriptor field in described particular frame packet header.
17. a kind of live video label insertion systems according to claim 11, it is characterized in that, described user terminal also comprises feedback unit, after described user terminal receives described live video, resolve described live video, before described live video decoding is outputted to display, described feedback unit reads the identifier in the particular frame of described live video, and described identifier is fed back to far-end server.
18. a kind of live video label insertion systems according to claim 13, it is characterized in that, described user terminal also comprises reading unit, display unit, after described user terminal receives described live video, resolve described live video, before described live video decoding is outputted to display, described reading unit reads the related information in the particular frame of described live video, described display unit is used for, when user terminal is when playing described live video, in described particular frame, showing described related information.
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