CN101916249A - Method and device for retrieving streaming media data - Google Patents
Method and device for retrieving streaming media data Download PDFInfo
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- CN101916249A CN101916249A CN2009102428234A CN200910242823A CN101916249A CN 101916249 A CN101916249 A CN 101916249A CN 2009102428234 A CN2009102428234 A CN 2009102428234A CN 200910242823 A CN200910242823 A CN 200910242823A CN 101916249 A CN101916249 A CN 101916249A
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Abstract
The invention provides a method and a device for retrieving streaming media data. In the method a retrieval service is provided by acquiring the access information of users. The method comprises the following steps of: marking the accessed streaming media data; establishing a mapping relationship between a retrieval keyword and the marked streaming media data; and preferentially searching for the marked streaming media data according to the retrieval keyword. As the access information of the users can reflect the preference of the users, current hot spots, fashion trends and the like, the retrieval services established by using the access information can better reflect the retrieval requirements of the users and the search result is more accurate.
Description
Technical field
The present invention relates to the stream media technology field, particularly relate to a kind of retrieving streaming media data method and device.
Background technology
The fast development of Internet and popularize to the streaming media service development powerful market forces, the streaming media service increased popularity that just becoming is provided.Stream media technology is widely used in the every aspect of internet information services such as multimedia news briefing, online live, the web advertisement, ecommerce, video request program (VOD), long-distance education, tele-medicine, network radio station, real-time video meeting.The application of stream media technology will bring revolutionary variation for the network information exchanges, and people's work and life are produced far-reaching influence.
Streaming Media is meant the continuous time-base media that uses the stream transmission technology in network, as audio frequency, video or multimedia file.And the stream transmission technology is exactly that continuous sound and image information are put on the Website server after overcompression is handled, allow the user watch, and do not need to wait for that whole file downloads to the network transmission technology that just can watch behind the machine of oneself while downloading to listen to.
The broadcast of Streaming Media is to realize by network player.Network player is a webpage connector, and behind the page that operation is made, the Windows Media player that its meeting calling system carries is play the files in stream media that the user chooses in advance.
At present a lot of websites all provide the netcast function, the user opens the webpage at network player place, the device interface not only displays the play on the webpage, rich functions and contents such as audio frequency and video retrieval, audio frequency and video seniority among brothers and sisters also are provided, the user imports keyword at frame retrieval, promptly can find corresponding audio-video document, and in network player, play.This webpage that integrates broadcast, search and information exhibition is the principal mode of present netcast, is very easy to the online streaming medium content that oneself needs of watching of user.
But along with the development of stream media technology, the files in stream media that the website provided is more and more, and data volume is more and more huger, and the management of website is had higher requirement.In this case, the user just can not retrieve the Streaming Media that oneself needs soon sometimes, the demand that therefore present this Streaming Media retrieval and broadcast mode can not satisfy more users.
Summary of the invention
Technical matters to be solved by this invention provides a kind of retrieving streaming media data method and device, and the visit information that can collect the user provides retrieval service.
In order to address the above problem, the invention discloses a kind of retrieving streaming media data method, comprising:
Accessed stream medium data is carried out mark;
Set up the mapping relations of search key and marked stream data;
The stream medium data that the described search key first search of foundation is labeled.
Preferably, described method also comprises:
The mark number of times of statistics stream medium data is according to the search order of mark number of times arrangement stream medium data.
Preferably, describedly accessed stream medium data carried out mark comprise:
Accessed files in stream media is carried out mark.
Preferably, describedly accessed stream medium data carried out mark comprise:
Key frame in the accessed files in stream media is carried out mark.
Preferably, the described mapping relations of setting up search key and marked stream data comprise:
Set up the mapping relations of the key frame that is labeled in search key and the files in stream media.
The present invention also provides a kind of retrieving streaming media data device, comprising:
Indexing unit is used for accessed stream medium data is carried out mark;
The unit is set up in mapping, is used to set up the mapping relations of search key and marked stream data;
Search unit is used for the stream medium data that is labeled according to described search key first search.
Preferably, described device also comprises:
Statistic unit is used to add up the mark number of times of stream medium data;
Sequencing unit is used for the search order according to mark number of times arrangement stream medium data.
Preferably, described indexing unit comprises:
The first mark subelement is used for accessed files in stream media is carried out mark.
Preferably, described indexing unit also comprises:
The second mark subelement is used for the key frame of accessed files in stream media is carried out mark.
Preferably, the mapping relations that the key frame that is labeled in search key and the files in stream media is set up in the unit are set up in described mapping.
Compared with prior art, the present invention has the following advantages:
The present invention proposes a kind of retrieval service pattern of innovation, by the user stream medium datas such as audio frequency and video of being visited are carried out mark, can collect user's visit information, these visit informations of analysis and arrangement, the stream medium data that is labeled can be come the forward position of result for retrieval, preferentially the stream medium data that is labeled be searched for out.Because user's visit information can reflect user's hobby, present focus, fashion trend etc., therefore the retrieval service of utilizing visit information to set up also more can reflect user's Search Requirement, and Search Results is also more accurate.
Description of drawings
Fig. 1 is the process flow diagram of the embodiment of the invention one described a kind of retrieving streaming media data method;
Fig. 2 is the process flow diagram of the embodiment of the invention two described a kind of retrieving streaming media data methods;
Fig. 3 is the structural drawing of the embodiment of the invention three described a kind of retrieving streaming media data devices.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
The present invention proposes the retrieval service pattern that a kind of user participates in, the user can make marks to the stream medium data of visiting, and record can be carried out in the backstage, website, and these stream medium datas that are labeled preferentially are used for search.
The present invention is based on network online playing technology, at first introduce the flow process of streaming media playing below:
1, after the user selects a certain streaming media service, uses the HTTP/TCP exchange of control information between Web browser and the Web server, so that the real time data of needs transmission is retrieved from raw information;
2, Web browser starts the audio frequency and video CLIENT PROGRAM, use HTTP to retrieve correlation parameter to the initialization of audio frequency and video CLIENT PROGRAM from Web server, these parameters may comprise the type of coding of directory information, audio, video data or retrieve relevant server address with audio frequency and video;
3, audio frequency and video CLIENT PROGRAM and audio/video server operation real-time streaming protocol, with the required control information of switching tone video transmission, real-time streaming protocol provides the method for orders such as carrying out broadcast, F.F., fall soon, suspend and record;
4, audio/video server uses the RTP/UDP agreement that audio, video data is transferred to the audio frequency and video CLIENT PROGRAM, in case audio, video data arrives at client, the audio frequency and video CLIENT PROGRAM can be play output.
Based on said process, be elaborated below by embodiment.
Embodiment one:
With reference to Fig. 1, be the process flow diagram of the embodiment of the invention one described a kind of retrieving streaming media data method.With the video search is example, as follows:
After the video that the user selects began to play according to above-mentioned playing process, the user can any reason make marks to this video.For example, the user thinks that the contents value of this video must recommend or collect, and perhaps this video relatively has characteristics etc., can this video be made marks in the audio frequency and video client of oneself.
Audio/video server meeting real time record user's marking behavior is collected user's visit information with this.After certain video is by increasing user's mark, show that this video is very welcome, wish that in similar video the searched probability that arrives is also very high.Therefore,, popular search orientation can be reflected, information such as current focus video, fashion trend can be reflected simultaneously by these visit informations.
Described search key can be understood as the keyword that is used for video index in the audio/video server, also can be understood as the keyword that automated provisioning can supply the user to select in the Webpage search frame.No matter described search key is represented any implication, can be according to this keyword retrieval to corresponding video.
These its priority of video that is labeled are higher than the video that is not labeled, and when the user carries out video search, can preferentially carry out the keyword coupling, preferentially offer the user.
Preferably, audio/video server can also be added up the mark number of times of video, according to the mark number of times video is sorted, and simultaneously mark video often is presented at the forward position of Search Results.
Above-mentioned search method fully makes the user participate in the raising of search quality, and this mode of collecting user access information by the recording user mark, is different from the mode of collecting by statistics user click volume in the prior art:
In the prior art, though user's click volume can reflect to a certain extent which video is welcome, which video is information such as focus video,, there is certain error in this click quantitative statistics, and for example user's random click also can be added up;
Among the present invention, the user can just make marks after watching usually, so that next time, retrieval was used; can't arbitrarily click video with regard to mark; therefore, the mode that this user makes marks has further improved the accuracy of information gathering, and bigger the enthusiasm of having transferred the user.
Therefore, search service provided by the invention can be users the stream medium data of mark and preferentially recommend the user who retrieves, and had improved the accuracy and the search quality of search, had also made things convenient for user search simultaneously.
Embodiment two:
In the present embodiment, it is to be finished by calling party that stream medium data is made marks, and the user not only can carry out mark to certain files in stream media, can also carry out mark to certain fragment in the files in stream media or certain picture, so that next time, retrieval was used.
With reference to Fig. 2, be the process flow diagram of the embodiment of the invention two described a kind of retrieving streaming media data methods.
Network player provides mark button, and the user selects this button can finish the mark action, user's mark action under the server end meeting real time record.
Wherein, the user can be that certain picture is carried out mark to the mark of wonderful, also can carry out mark to certain section video.
In fact, the mark of this file fragment is that the key frame in the video file has been carried out mark.Frame is the least unit of stream medium data, key frame is special frame, be used for defining the variation in the video image, it is residing that frame of key operations in image motion or the variation, comprise motion of objects and characteristics (as size and color), the interpolation that interpolation or deletion object and frame move in scene etc.Whenever, when wishing image, the user changes, perhaps wish to take place certain action, must use key frame.
Server can be mapped the key frame of gauge point and video file, and when setting up mapping relations, and the key frame of search key and files in stream media is mapped.And, in the same file, the key frame difference of mark, corresponding search key also can be different.
For example, the video file of the corresponding movie sound of the wind of keyword " sound of the wind ", the fragment that this film is danced at the beginning will be play in keyword " sound of the wind+dancing ", and the fragment of this film ending will be play in keyword " sound of the wind+final result ".
After if the user finishes watching whole video, think that this video can recommend others or oneself watch again more later on, then can also make marks to whole file.
After the keyword that server is imported according to other users mates, can find a plurality of to results for video that should keyword, at this moment server can preferentially come the video of doing mark the front of Search Results, but also can sort from high to low according to the mark number of times.
If what other users wished to retrieve is video file, then result for retrieval is a video file; If other users wish to retrieve video segment, then result for retrieval is the video segment that begins to play from corresponding key frame.
Said method provides a kind of accurate more search service for the user, and the user has also made things convenient for user's oneself quick, accurately retrieval when participating in mark.
Embodiment three:
With reference to Fig. 3, be the structural drawing of the embodiment of the invention three described a kind of retrieving streaming media data devices.
Described device mainly comprises:
Indexing unit 31 is used for accessed stream medium data is carried out mark;
Unit 32 is set up in mapping, is used to set up the mapping relations of search key and marked stream data;
Search unit 33 is used for the stream medium data that is labeled according to described search key first search.
Wherein, described stream medium data comprises the key frame in files in stream media and the files in stream media.Therefore, described indexing unit 31 may further include:
The first mark subelement is used for accessed files in stream media is carried out mark;
The second mark subelement is used for the key frame of accessed files in stream media is carried out mark.
And described mapping is set up unit 32 and not only search key and marked stream file is set up mapping relations, can also set up mapping relations to the key frame that is labeled in search key and the files in stream media.
Preferably, described device can also comprise:
Statistic unit 34 is used to add up the mark number of times of stream medium data;
Sequencing unit 35 is used for the search order according to mark number of times arrangement stream medium data.
In sum, described indexing unit can utilize user's visit information to provide retrieval to serve more accurately, has improved retrieval quality, has also made things convenient for user search simultaneously.
Each embodiment in this instructions all adopts the mode of going forward one by one to describe, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.For device embodiment, because it is similar substantially to method embodiment, so description is fairly simple, relevant part gets final product referring to the part explanation of method embodiment.
More than to a kind of retrieving streaming media data method provided by the present invention and device, be described in detail, used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a retrieving streaming media data method is characterized in that, comprising:
Accessed stream medium data is carried out mark;
Set up the mapping relations of search key and marked stream data;
The stream medium data that the described search key first search of foundation is labeled.
2. method according to claim 1 is characterized in that, also comprises:
The mark number of times of statistics stream medium data is according to the search order of mark number of times arrangement stream medium data.
3. method according to claim 1 is characterized in that, describedly accessed stream medium data is carried out mark comprises:
Accessed files in stream media is carried out mark.
4. method according to claim 1 is characterized in that, describedly accessed stream medium data is carried out mark comprises:
Key frame in the accessed files in stream media is carried out mark.
5. method according to claim 4 is characterized in that, the described mapping relations of setting up search key and marked stream data comprise:
Set up the mapping relations of the key frame that is labeled in search key and the files in stream media.
6. a retrieving streaming media data device is characterized in that, comprising:
Indexing unit is used for accessed stream medium data is carried out mark;
The unit is set up in mapping, is used to set up the mapping relations of search key and marked stream data;
Search unit is used for the stream medium data that is labeled according to described search key first search.
7. device according to claim 6 is characterized in that, also comprises:
Statistic unit is used to add up the mark number of times of stream medium data;
Sequencing unit is used for the search order according to mark number of times arrangement stream medium data.
8. device according to claim 6 is characterized in that, described indexing unit comprises:
The first mark subelement is used for accessed files in stream media is carried out mark.
9. device according to claim 8 is characterized in that, described indexing unit also comprises:
The second mark subelement is used for the key frame of accessed files in stream media is carried out mark.
10. device according to claim 9 is characterized in that:
The mapping relations that the key frame that is labeled in search key and the files in stream media is set up in the unit are set up in described mapping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102428234A CN101916249A (en) | 2009-12-17 | 2009-12-17 | Method and device for retrieving streaming media data |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102428234A CN101916249A (en) | 2009-12-17 | 2009-12-17 | Method and device for retrieving streaming media data |
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| CN101916249A true CN101916249A (en) | 2010-12-15 |
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| CN2009102428234A Pending CN101916249A (en) | 2009-12-17 | 2009-12-17 | Method and device for retrieving streaming media data |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104798068A (en) * | 2012-11-30 | 2015-07-22 | 汤姆逊许可公司 | Method and apparatus for video retrieval |
| CN106131632A (en) * | 2016-06-29 | 2016-11-16 | 乐视控股（北京）有限公司 | Opening video playing method, device and terminal |
| CN108040001A (en) * | 2017-11-30 | 2018-05-15 | 维沃移动通信有限公司 | A kind of information flag method, terminal |
| CN109074391A (en) * | 2016-02-29 | 2018-12-21 | 乐威指南公司 | Recommend the method and system of media asset to user based on the content of other media assets |
-
2009
- 2009-12-17 CN CN2009102428234A patent/CN101916249A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104798068A (en) * | 2012-11-30 | 2015-07-22 | 汤姆逊许可公司 | Method and apparatus for video retrieval |
| CN109074391A (en) * | 2016-02-29 | 2018-12-21 | 乐威指南公司 | Recommend the method and system of media asset to user based on the content of other media assets |
| CN106131632A (en) * | 2016-06-29 | 2016-11-16 | 乐视控股（北京）有限公司 | Opening video playing method, device and terminal |
| CN108040001A (en) * | 2017-11-30 | 2018-05-15 | 维沃移动通信有限公司 | A kind of information flag method, terminal |
| CN108040001B (en) * | 2017-11-30 | 2019-11-15 | 维沃移动通信有限公司 | A kind of information flag method, terminal |
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Application publication date: 20101215 |