CN104980808A - Method and device for accurately dotting video resources - Google Patents
Method and device for accurately dotting video resources Download PDFInfo
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- CN104980808A CN104980808A CN201510392212.3A CN201510392212A CN104980808A CN 104980808 A CN104980808 A CN 104980808A CN 201510392212 A CN201510392212 A CN 201510392212A CN 104980808 A CN104980808 A CN 104980808A
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- frame
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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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47217—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for controlling playback functions for recorded or on-demand content, e.g. using progress bars, mode or play-point indicators or bookmarks
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- Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a method and a device for accurately dotting video resources and relate to the technical field of multimedia communication. The method mainly comprises the steps of receiving a command input by a user and used for conducting the operation of specifying a location to be accurately dotted; judging whether a video frame at the location corresponding to the operation is an i-frame or not; if not, determining a location to be accurately dotted according to video frames till a previous i-frame.
Description
Technical field
The present invention relates to multimedia communication technology field, especially, relate to method and device that a kind of video resource accurately gets ready.
Background technology
The video that user sees much all is formed after video source being carried out to the process such as editing or processing.This process at least needs first in video source, to select required video-frequency band, as original position and end position.Such as our Presence of the Moment of the beginning and end part of some film of seeing and sheet caudal flexure be all removed, Here it is on the former video of movie resource, carry out editing after formed.
Be at present by this video source by player plays out to carry out the video-frequency band required for video source selection be the method adopted, in the process play, run into the place needing to process, just making a call to a point does a mark.Such as after the head of film terminate, the current picture of player plays is clicked, be just equivalent to beat a point, done a mark.
But, above-mentionedly get process ready at least stored in following technical problem: in order to ensure the quality of got ready position picture, must frame of video be accurate to, and must be I frame.But, if the time point corresponding to position that when getting ready, user selects is not I frame, then player navigates to current location first I frame below, causes the position of final location or time to be not user-selected get position ready thus, gets position ready inaccurate.
Summary of the invention
The invention provides method and device that a kind of video resource accurately gets ready, dotting time or position coarse technical problem when getting ready in prior art in order to solve.
On the one hand, a kind of method that the embodiment of the present invention provides video resource accurately to get ready, the method comprises:
What receive user's input is used to specify the operation accurately getting position ready;
Judge whether the frame of video on described operation correspondence position is I frame;
If judge no, then determine the position for accurately getting ready according to the frame of video to a upper I frame.
Some beneficial effects of the embodiment of the present invention can comprise: when the position accurately got ready that user specifies is not I frame, employing determines the technological means for the position accurately got ready according to the frame of video to a upper I frame, can obtain when ensure user select get the accuracy of position ready, simultaneously ensure image quality require technique effect.
Further, the frame of video of described basis to a upper I frame determines that the position for accurately getting ready comprises:
Video data source is gone out according to all B frames to a upper I frame, P frame and a described upper I frame decoding;
The I frame on described position is generated, using the I frame after generation as the described position being used for accurately getting ready according to described video data source.
Some beneficial effects of the embodiment of the present invention can comprise: by adopting the video source data decoded according to the frame of video to an I frame, the technological means of I frame is generated again according to this video source data, solve frame of video on the position got ready that user in prior art selects owing to not being the technical problem getting position skew ready that frame of video causes, and then can obtain ensure that user selects to get position ready accurate, and exact position has I frame, the guaranteed technique effect of image quality.
Further, in another embodiment of the present invention, the method can also also comprise:
If judge be, then this I frame position for described in be used for the position accurately got ready.
Some beneficial effects of the embodiment of the present invention can comprise: if the position that user specifies is just in time I frame, then directly adopt this I frame position.
Further, whether the described frame of video judged on described operation correspondence position is that I frame comprises:
According to the time point that described operation registration is got ready;
Judge whether the frame of video on described time point is I frame.
Further, in another enforcement of the present invention, the method also comprises:
Get ready in the described position accurately got ready.
Some beneficial effects of the embodiment of the present invention can comprise: frame of video is alignd according to time shaft, therefore operation user provided is adopted to be converted into the technological means of time point corresponding on this video resource, can realize navigating to the frame of video that user specifies, and after determining that this frame of video position is used to accurately to get position ready, carry out the technique effect got ready.
On the other hand, the display unit of head portrait when the embodiment of the present invention provides a kind of login, this device comprises:
Receiver module, for receive user input be used to specify the operation accurately getting position ready;
Judge module, for judging whether the frame of video on described operation correspondence position is I frame;
Determination module, if judge no for judge module, then determines the position for accurately getting ready according to the frame of video to a upper I frame.
Some beneficial effects of the embodiment of the present invention can comprise: have when the position accurately got ready that user specifies is not I frame, the function for the position accurately got ready is determined according to the frame of video to a upper I frame, can obtain when ensure user select get the accuracy of position ready, simultaneously ensure image quality require technique effect.
Wherein, described determination module comprises:
Decoding unit, for going out video data source according to all B frames, P frame and the described upper I frame decoding to a upper I frame;
Generation unit, for generating the I frame on described position according to described video data source, using the I frame after generation as the described position being used for accurately getting ready.
Some beneficial effects of the embodiment of the present invention can comprise: have the video source data decoded according to the frame of video to an I frame, the function of I frame is generated again according to this video source data, solve frame of video on the position got ready that user in prior art selects owing to not being the technical problem getting position skew ready that frame of video causes, and then can obtain ensure that user selects to get position ready accurate, and exact position has I frame, the guaranteed technique effect of image quality.
Further, this determination module, if also judge for judge module is, then this I frame position for described in be used for the position accurately got ready.
Further, described judge module, specifically for the time point got ready according to described operation registration, and judges whether the frame of video on described time point is I frame.
Further, this device also comprises:
Get module ready, for getting ready in the described position accurately got ready.
Some beneficial effects of the embodiment of the present invention can comprise: frame of video is alignd according to time shaft, therefore the device that this enforcement provides has the function that operation user provided is converted into time point corresponding on this video resource, can realize navigating to the frame of video that user specifies, and after determining that this frame of video position is used to accurately to get position ready, carry out the technique effect got ready.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write specification, claims and accompanying drawing and obtain.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
The exemplary process diagram of the method that Fig. 1 accurately gets ready for a kind of video resource provided in the embodiment of the present invention;
Another exemplary process diagram of the method that Fig. 2 accurately gets ready for a kind of video resource provided in the embodiment of the present invention;
One example arrangement schematic diagram of the device that Fig. 3 accurately gets ready for a kind of video resource provided in the embodiment of the present invention;
Another example arrangement schematic diagram of the device that Fig. 4 accurately gets ready for a kind of video resource provided in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
A kind of method that the embodiment of the present invention provides video resource accurately to get ready, the method is applicable to being deployed on player that support accurately gets function ready or is provided with support accurately to be got ready on the computer of the player of function.This accurately get ready function refer to user can when player plays video source, the function of the position that accurate consumer positioning is got ready.As shown in Figure 1, the method comprises:
101, what receive user's input is used to specify the operation accurately getting position ready;
Such as: on the video source picture that user plays at current player, user's mouse is clicked as specifying the operation accurately getting position ready.
102, judge whether the frame of video on described operation correspondence position is I frame;
I frame has the compress mode of standard, can adopt and identify whether as I frame according to compress mode, or the mark produced in compression process according to I frame, as beginning flag 0x000001 etc. identifies on correspondence position whether be I frame.Or other existing modes identify.
103, if judge no, then determine the position for accurately getting ready according to the frame of video to a upper I frame.
In the method that the present embodiment provides, after frame of video on the position that judgement user operation is corresponding is not I frame, adopt the technological means determining the I frame needed according to the frame of video to a upper I frame, can be implemented in while ensureing image quality, the technique effect of the position that registration is got ready.
Further, in another execution mode of the embodiment of the present invention, the method also comprises:
If judge be, then this I frame position for described in be used for the position accurately got ready.
Determine that realization with the following method specifically can be adopted in the position for accurately getting ready according to the frame of video to a upper I frame in the method above-mentioned 103:
Video data source is gone out according to all B frames to a upper I frame, P frame and a described upper I frame decoding; The I frame on described position is generated, using the I frame after generation as the described position being used for accurately getting ready according to described video data source.
Namely the I frame that distance active user assigned address is nearest is found, the all frame of video (comprising this I frame) to this I frame are decoded, decode video data source, I frame is regenerated again according to the video data source decoded, this I frame is and meets image quality requirement when getting ready, simultaneously user's I frame of exact position of specifying.
Further, in another execution mode of the embodiment of the present invention, in above-mentioned 102, judge that whether frame of video on described operation correspondence position is that I frame specifically realizes by such as under type:
According to the time point that described operation registration is got ready; Judge whether the frame of video on described time point is I frame.
Because frame of video is to time shaft alignment, therefore need time point corresponding to the position that user operation is located to convert to.
Further, the method also comprises:
Get ready in the described position accurately got ready.
The present embodiment continues shown in composition graphs 2, and specifically provide a kind of method that video resource is accurately got ready, the method comprises:
201, user performs clicking operation for a certain picture in the video source that player is play, and this clicking operation is the equal of be used to specify the operation accurately getting position ready;
202, player receive user's input be used to specify the operation accurately getting position ready after, according to the time point that is played to of picture positioning video source that described operation is clicked, this time point is the time point accurately got ready, and is accurate to millisecond;
Such as: video resource play TV play Presence of the Moment terminate after, last picture at the end of user clicks Presence of the Moment, now, reproduction time be 1 point 1.231 seconds, then the time point accurately got ready be 1 point 1.231 seconds.In fact, user be used for knowing the operation of accurately getting position ready with regard to be equivalent to have input the time accurately got ready be 1 point 1.231 seconds.
203, judge whether the frame of video on described time point is I frame.If judge no, then perform 204; If judge it is then perform 206;
The frame of video such as determining current location be B frame or P frame time, then perform 204.
204, go out video data source according to all B frames to a upper I frame, P frame and a described upper I frame decoding;
205, the I frame on described position is generated according to described video data source, using the I frame after generation as the described position being used for accurately getting ready, follow-up execution 207.
206, this I frame position for described in be used for the position accurately got ready.
207, get ready in the described position accurately got ready.
This is got ready and is just equivalent to do a mark, marks the position needing editing or processing etc. to process, specifically gets method ready and also can adopt scheme in prior art.
In the method that the present embodiment provides, after determining that the frame of video got ready on position that user specifies is not I frame, adopt and the video to nearest I frame position is decoded, and the technological means of I frame is again generated according to decoded video data source, solve in prior art due to specify get ready position be not I frame cause to get position ready cheap, coarse technical problem, and then realize guarantee and get the accurate technique effect in position ready.
Can realize for the ease of the method corresponding to above-mentioned Fig. 1 and Fig. 2, the present embodiment continues the device providing a kind of video resource accurately to get ready, needs and supports that accurately can locate the player getting position ready is combined or this device can be exactly a kind of player.As shown in Figure 3, this device comprises: receiver module 31, judge module 32, determination module 33.
Receiver module 31, for receive user input be used to specify the operation accurately getting position ready;
Judge module 32, for judging whether the frame of video on described operation correspondence position is I frame;
Determination module 33, if judge no for judge module, then determines the position for accurately getting ready according to the frame of video to a upper I frame.
Further, as shown in Figure 4, determination module 33 comprises:
Decoding unit 331, for going out video data source according to all B frames, P frame and the described upper I frame decoding to a upper I frame;
Generation unit 332, for generating the I frame on described position according to described video data source, using the I frame after generation as the described position being used for accurately getting ready.
Further, this determination module 33, if also judge for judge module 32 is, then this I frame position for described in be used for the position accurately got ready.
Correspondingly, described judge module 32, specifically for the time point got ready according to described operation registration, and judges whether the frame of video on described time point is I frame.
As shown in Figure 4, this device also can comprise: get module 34 ready, for getting ready in the described position accurately got ready.
Device provided by the invention has when the position accurately got ready that user specifies is not I frame, the function for the position accurately got ready is determined according to the video to a upper I frame, can obtain when ensure user select get the accuracy of position ready, simultaneously ensure image quality require technique effect.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computer or other programmable data processing device produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. the method accurately got ready of video resource, is characterized in that, comprising:
What receive user's input is used to specify the operation accurately getting position ready;
Judge whether the frame of video on described operation correspondence position is I frame;
If judge no, then determine the position for accurately getting ready according to the frame of video to a upper I frame.
2. method according to claim 1, is characterized in that, the frame of video of described basis to a upper I frame determines that the position for accurately getting ready comprises:
Video data source is gone out according to all B frames to a upper I frame, P frame and a described upper I frame decoding;
The I frame on described position is generated, using the I frame after generation as the described position being used for accurately getting ready according to described video data source.
3. method according to claim 1 and 2, is characterized in that, the method also comprises:
If judge be, then this I frame position for described in be used for the position accurately got ready.
4. method according to claim 1 and 2, is characterized in that, whether the described frame of video judged on described operation correspondence position is that I frame comprises:
According to the time point that described operation registration is got ready;
Judge whether the frame of video on described time point is I frame.
5. method according to claim 1 and 2, is characterized in that, the method also comprises:
Get ready in the described position accurately got ready.
6. the device accurately got ready of video resource, is characterized in that, comprising:
Receiver module, for receive user input be used to specify the operation accurately getting position ready;
Judge module, for judging whether the frame of video on described operation correspondence position is I frame;
Determination module, if judge no for judge module, then determines the position for accurately getting ready according to the frame of video to a upper I frame.
7. device according to claim 6, is characterized in that, described determination module comprises:
Decoding unit, for going out video data source according to all B frames, P frame and the described upper I frame decoding to a upper I frame;
Generation unit, for generating the I frame on described position according to described video data source, using the I frame after generation as the described position being used for accurately getting ready.
8. the device according to claim 6 or 7, is characterized in that, this determination module, if also judge for judge module is, then this I frame position for described in be used for the position accurately got ready.
9. the device according to claim 6 or 7, is characterized in that, described judge module, specifically for the time point got ready according to described operation registration, and judges whether the frame of video on described time point is I frame.
10. the device according to claim 6 or 7, is characterized in that, this device also comprises:
Get module ready, for getting ready in the described position accurately got ready.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510392212.3A CN104980808A (en) | 2015-07-06 | 2015-07-06 | Method and device for accurately dotting video resources |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510392212.3A CN104980808A (en) | 2015-07-06 | 2015-07-06 | Method and device for accurately dotting video resources |
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| CN104980808A true CN104980808A (en) | 2015-10-14 |
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| CN201510392212.3A Pending CN104980808A (en) | 2015-07-06 | 2015-07-06 | Method and device for accurately dotting video resources |
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| CN105578290A (en) * | 2015-12-15 | 2016-05-11 | 无锡天脉聚源传媒科技有限公司 | EPG-based plan video dotting method and device |
| CN105578289A (en) * | 2015-12-15 | 2016-05-11 | 无锡天脉聚源传媒科技有限公司 | Plan video dotting method and device |
| CN105915936A (en) * | 2016-06-22 | 2016-08-31 | 武汉斗鱼网络科技有限公司 | Video dotting method and system for video website |
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Application publication date: 20151014 |