CN106254928A - A kind of picture caption presentation method and device - Google Patents
A kind of picture caption presentation method and device Download PDFInfo
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- CN106254928A CN106254928A CN201610695737.9A CN201610695737A CN106254928A CN 106254928 A CN106254928 A CN 106254928A CN 201610695737 A CN201610695737 A CN 201610695737A CN 106254928 A CN106254928 A CN 106254928A
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- native layer
- player
- caption data
- layer
- picture caption
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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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
-
- 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
- H04N21/488—Data services, e.g. news ticker
- H04N21/4884—Data services, e.g. news ticker for displaying subtitles
-
- 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
- H04N21/8146—Monomedia components thereof involving graphical data, e.g. 3D object, 2D graphics
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Graphics (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The embodiment of the invention discloses a kind of picture caption presentation method and device, the method includes: before video playback, and the surface of native layer is sent to the player of described native layer by application；When described video playback, described picture caption data is sent to from the player of described native layer the surface of described native layer；Described picture caption data is shown at the surface of described native layer.The embodiment of the present invention, by application, the surface of native layer can be sent to the player of native layer, so that picture caption data directly can be sent to the surface of native layer by the player of native layer, to show picture caption data at the surface of native layer, improve the display efficiency of this picture caption data.
Description
Technical field
The present invention relates to video display arts field, particularly relate to a kind of picture caption presentation method and device.
Background technology
Captions are divided into text subtitle and two kinds of forms of picture captions.Text subtitle refers to that caption information is carried out in a text form
Storage, picture captions then refer to that caption information stores with the form of picture.(carried out by USB, SD card playing local video
Play) time, both forms all can be frequently encountered by.
In prior art, as it is shown in figure 1, be the detailed process of the display picture caption data of prior art: primary
Captions process in framework, and after picture caption data has resolved, it is online that MediaplayerService to be passed through passes to application institute
The player mediaplayer of the native of journey, then uploads to the player mediaplayer of Java layer, then uploads to answer
With, then passed to java layer surface by application, it is issued to native layer surface the most again and shows.
Therefore, use Fig. 1 prior art show picture captions time, this picture caption data need native layer,
Repeatedly transmit picture caption data between java layer and application layer, the surface of native layer just can be made can to obtain this picture
Caption data also shows；During additionally, this prior art often shows picture captions, it is required at according to above-mentioned flow process
Reason, so that whole process is relatively complicated so that picture Subtitle Demonstration efficiency comparison is low.
Summary of the invention
Embodiment of the present invention technical problem to be solved is to provide a kind of picture caption presentation method, can be at native layer
Surface directly display picture caption data, improve the display efficiency of picture caption data.
Accordingly, the embodiment of the present invention additionally provides a kind of picture subtitling display equipment, in order to ensure the reality of said method
Show and application.
In order to solve the problems referred to above, the invention discloses a kind of picture caption presentation method, including:
Before video playback, the surface of native layer is sent to by application the player of described native layer；
When described video playback, described picture caption data is sent to described from the player of described native layer
The surface of native layer；
Described picture caption data is shown at the surface of described native layer.
Preferably, described when described video playback, by described picture caption data from the player of described native layer
Before the step of the surface being sent to described native layer, described method also includes:
By the player of described native layer, video file decapsulation to be played is obtained described picture caption data；
By the player of described native layer, the described picture caption data obtained is joined in buffer queue.
Preferably, when described video playback, described picture caption data is sent from the player of described native layer
To the step of the surface of described native layer, including:
According to the current play time of described video, read in described buffer queue by the player of described native layer
Described picture caption data；
The described picture caption data broadcasting window at described video of reading is set by the player of described native layer
Displaing coordinate in Kou and scaling；
Described picture caption data after arranging is sent to described native layer from the player of described native layer
surface。
Preferably, the surface of described native layer is created by the surface of java layer, the surface of described java layer
Created by described application.
Preferably, described method is applied to Android system.
The embodiment of the invention also discloses a kind of picture subtitling display equipment, including:
First sending module, for before video playback, is sent to described by the surface of native layer by application
The player of native layer；
Second sending module, for when described video playback, by described picture caption data from described native layer
Player is sent to the surface of described native layer；
Display module, for showing described picture caption data at the surface of described native layer.
Preferably, described picture subtitling display equipment also includes:
Acquisition module, for when described video playback, by described picture caption data from the broadcasting of described native layer
Before the step of the surface that device is sent to described native layer, by the player of described native layer, to be played is regarded
Frequency file decapsulation obtains described picture caption data；
Add buffer queue module, for the described picture caption data that will be obtained by the player of described native layer
Join in buffer queue.
Preferably, described second sending module includes:
Reading submodule, for the current play time according to described video, is read by the player of described native layer
Take the described picture caption data in described buffer queue；
Submodule is set, for arranging the described picture caption data of reading in institute by the player of described native layer
State the displaing coordinate in the broadcast window of video and scaling；
Sending submodule, the described picture caption data after arranging is sent to from the player of described native layer
The surface of described native layer.
Preferably, the surface of described native layer is created by the surface of java layer, the surface of described java layer
Created by described application.
Preferably, described device is applied to Android system.
Compared with background technology, the embodiment of the present invention includes advantages below:
The embodiment of the present invention, can be sent to the player of native layer by application by the surface of native layer, thus
Picture caption data directly can be sent to the surface of native layer by the player making native layer, in order at native
The surface of layer shows picture caption data, it is to avoid at native layer, repeatedly transmit picture word between java layer and application layer
Curtain data；Further, the player of surface to the native layer of a native layer need to only before video playback, be sent, so that it may
To show all of picture caption data, it is not necessary to often one picture caption data of display just sends a native layer
Surface, thus the display efficiency of this picture caption data can be improved.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below by institute in the description to the embodiment of the present invention
The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only some enforcements of the present invention
Example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the flow chart of the picture Subtitle Demonstration of prior art；
Fig. 2 is the flow chart of steps of a kind of picture caption presentation method embodiment 1 of the present invention；
Fig. 3 is the flow chart of steps of a kind of picture caption presentation method embodiment 2 of the present invention；
Fig. 4 is the structured flowchart of a kind of picture caption presentation method embodiment 3 of the present invention.
Detailed description of the invention
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, real with concrete below in conjunction with the accompanying drawings
The present invention is further detailed explanation to execute mode.
With reference to Fig. 2, it is shown that the flow chart of steps of a kind of picture caption presentation method embodiment 1 of the present invention.The method
It is applied to Android system.This Android system may be mounted at mobile phone, panel computer, MP3/MP4, intelligent watch, intelligence
In the intelligent terminal such as bracelet, computer.The method of this embodiment 1 specifically may include steps of:
Step 101: before video playback, is sent to the broadcasting of native layer by the surface of native layer by application
Device.
Wherein, application refers to the player of application layer, the video jukebox software i.e. installed.
Wherein, the surface of native layer is created by the surface of java layer, and the surface of java layer is by applying wound
Build.
Step 102: when video playback, is sent to native layer by picture caption data from the player of native layer
surface。
Owing to the player of native layer have received the surface of native layer, therefore, the player of native layer and
Picture caption data can be transmitted between the surface of native layer.
Step 103: show picture caption data at the surface of native layer.
During video playback, the picture caption data of simultaneous display coupling video in the surface of native layer, and,
The all of picture caption data of this video all can show in the surface of this native layer, it is not necessary to often plays a figure
Sheet caption data just sends the surface of a native layer.
Due to native layer surface by java layer surface create, the surface of java layer by applying establishment,
Therefore, the surface of native layer can be with the surface of java layer, application transmission picture caption data.And the broadcasting of native layer
Put device can only and the player of java layer, application between transmit picture caption data.Based on above-mentioned reason, nothing in prior art
Picture caption data is directly delivered to the surface of native layer by method by the player of native layer.But, owing to application can
And transmitting data between the player of native layer, therefore, the surface of native layer directly can be passed to native by application
The player of layer.Additionally, picture caption data is not required to application carries out the parameter settings such as color, therefore, picture caption data
It is not required to be sent to application process.
Therefore, the picture caption presentation method of the embodiment of the present invention 1 is based on above-mentioned principle, by native layer
Surface is sent to the player of native layer, so that picture caption data can directly be sent out by the player of native layer
Deliver to the surface of native layer, in order to show picture caption data at the surface of native layer, improve picture captions
The display efficiency of data.
With reference to Fig. 3, it is shown that the flow chart of steps of a kind of picture caption presentation method embodiment 2 of the present invention.The method
It is applied to Android system.This Android system may be mounted at mobile phone, panel computer, MP3/MP4, intelligent watch, intelligence
In the intelligent terminal such as bracelet, computer.The method of this embodiment 2 specifically may include steps of:
Step 201: before video playback, is sent to the broadcasting of native layer by the surface of native layer by application
Device.
Wherein, application refers to the player of application layer, the video jukebox software i.e. installed.
Wherein, the surface of native layer is created by the surface of java layer, and the surface of java layer is by applying wound
Build.
Step 202: video file decapsulation to be played is obtained picture caption data by the player of native layer.
Common video file encapsulation format has AVI, RMVB, MKV, ASF, WMV, MP4,3GP, FLV etc..By video literary composition
Video, audio frequency, captions etc. can be extracted after part decapsulation.To obtain picture captions after video file is decapsulated by this step
Data.
Step 203: the picture caption data of acquisition is joined in buffer queue by the player of native layer.
The picture caption data obtained may have a lot of, therefore, is first put in buffer queue by picture caption data,
So that picture caption data is processed successively, and show picture caption data, it is to avoid this picture caption data shows simultaneously on time
Cause the problem that cannot correctly show picture caption data.
Step 204: when video playback, is sent to native layer by picture caption data from the player of native layer
surface。
Owing to the player of native layer have received the surface of native layer, therefore, the player of native layer and
Picture caption data can be transmitted between the surface of native layer.
In the present invention one preferred embodiment, step 204 includes following sub-step:
Step S41: according to the current play time of video, read the figure in buffer queue by the player of native layer
Sheet caption data.
This step is to show to realize picture captions and audio video synchronization.Such as, it is multicast to the 3rd second when video, then read
3rd second picture caption data to be shown.
Step S42: the picture caption data of reading is set in the broadcast window of video by the player of native layer
Displaing coordinate and scaling.
The size of each picture caption data may be different, the displaing coordinate of picture caption data to be arranged and contracting
The ratio put, to ensure that picture caption data can be in the suitable position display of the intelligent terminal playing this video.
Step S43: the picture caption data after arranging is sent to native layer from the player of native layer
surface。
The picture caption data processed through above-mentioned steps is sent to the surface of native layer, it is ensured that this picture
Caption data can show with audio video synchronization, and can show in place.
Step 205: show picture caption data at the surface of native layer.
To sum up, the picture caption presentation method of the embodiment of the present invention 2, the surface of native layer is sent to native
The player of layer, so that picture caption data directly can be sent to native layer by the player of native layer
Surface, in order to show picture caption data at the surface of native layer, improve the display efficiency of picture caption data；
Additionally, by the picture caption data of acquisition is first put in buffer queue, it is to avoid the substantial amounts of picture caption data of acquisition is same
Time show in the video play, cause the picture captions of display and the unmatched problem of video, these picture captions can be controlled and show
The process shown.
The structured flowchart of a kind of picture subtitling display equipment embodiment 3 of the present invention is shown with reference to Fig. 4.This embodiment 3
Device be applied to Android system.This Android system may be mounted at mobile phone, panel computer, MP3/MP4, intelligence hands
In the intelligent terminal such as table, Intelligent bracelet, computer.The device of this embodiment 3 specifically includes following structure:
First sending module 401, for before video playback, is sent to the surface of native layer by application
The player of native layer.
Wherein, the surface of native layer is created by the surface of java layer, and the surface of java layer is by applying wound
Build.
Second sending module 402, for when video playback, sends picture caption data from the player of native layer
Surface to native layer.
Display module 403, for showing picture caption data in the surface of native layer.
Preferably, the device of this embodiment 3 also includes:
Acquisition module, for when video playback, is sent to picture caption data from the player of native layer
Before the step of the surface of native layer, by the player of native layer, video file decapsulation to be played is obtained
Picture caption data.
Add buffer queue module, for joining slow by the player of native layer by the picture caption data of acquisition
Rush in queue.
Preferably, this second sending module 402 includes:
Reading submodule, for the current play time according to video, reads buffering team by the player of native layer
Picture caption data in row.
Submodule is set, for being arranged the picture caption data broadcasting at video of reading by the player of native layer
Displaing coordinate in window and scaling.
Sending submodule, the picture caption data after arranging is sent to native layer from the player of native layer
Surface.
To sum up, the picture subtitling display equipment of the embodiment of the present invention 3, the surface of native layer is sent to native
The player of layer, so that picture caption data directly can be sent to native layer by the player of native layer
Surface, in order to show picture caption data at the surface of native layer, improve the display efficiency of picture caption data；
Additionally, by the picture caption data of acquisition is first put in buffer queue, it is to avoid the substantial amounts of picture caption data of acquisition is same
Time show in the video play, cause the picture captions of display and the unmatched problem of video, these picture captions can be controlled and show
The process shown..
It should be noted that for embodiment of the method, in order to be briefly described, therefore it is all expressed as a series of action group
Closing, but those skilled in the art should know, the embodiment of the present invention is not limited by described sequence of movement, because depending on
According to the embodiment of the present invention, some step can use other orders or carry out simultaneously.Secondly, those skilled in the art also should
Knowing, embodiment described in this description belongs to preferred embodiment, and the involved action not necessarily present invention implements
Necessary to example.
For device embodiment, due to itself and embodiment of the method basic simlarity, so describe is fairly simple, relevant
Part sees the part of embodiment of the method and illustrates.
Each embodiment in this specification all uses the mode gone forward one by one to describe, what each embodiment stressed is with
The difference of other embodiments, between each embodiment, identical similar part sees mutually.
Those skilled in the art are it should be appreciated that the embodiment of the embodiment of the present invention can be provided as method, device or calculate
Machine program product.Therefore, the embodiment of the present invention can use complete hardware embodiment, complete software implementation or combine software and
The form of the embodiment of hardware aspect.And, the embodiment of the present invention can use one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.) of program code
The form of the computer program implemented.
The embodiment of the present invention is with reference to method, terminal unit (system) and computer program according to embodiments of the present invention
The flow chart of product and/or block diagram describe.It should be understood that can be by computer program instructions flowchart and/or block diagram
In each flow process and/or the flow process in square frame and flow chart and/or block diagram and/or the combination of square frame.These can be provided
Computer program instructions sets to general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to produce a machine so that held by the processor of computer or other programmable data processing terminal equipment
The instruction of row produces for realizing in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame
The device of the function specified.
These computer program instructions may be alternatively stored in and can guide computer or other programmable data processing terminal equipment
In the computer-readable memory worked in a specific way so that the instruction being stored in this computer-readable memory produces bag
Including the manufacture of command device, this command device realizes in one flow process of flow chart or multiple flow process and/or one side of block diagram
The function specified in frame or multiple square frame.
These computer program instructions also can be loaded on computer or other programmable data processing terminal equipment so that
On computer or other programmable terminal equipment, execution sequence of operations step is to produce computer implemented process, thus
The instruction performed on computer or other programmable terminal equipment provides for realizing in one flow process of flow chart or multiple flow process
And/or the step of the function specified in one square frame of block diagram or multiple square frame.
Although having been described for the preferred embodiment of the embodiment of the present invention, but those skilled in the art once knowing base
This creativeness concept, then can make other change and amendment to these embodiments.So, claims are intended to be construed to
The all changes including preferred embodiment and falling into range of embodiment of the invention and amendment.
Finally, in addition it is also necessary to explanation, in this article, the relational terms of such as first and second or the like be used merely to by
One entity or operation separate with another entity or operating space, and not necessarily require or imply these entities or operation
Between exist any this reality relation or order.And, term " includes ", " comprising " or its any other variant meaning
Containing comprising of nonexcludability, so that include that the process of a series of key element, method, article or terminal unit not only wrap
Include those key elements, but also include other key elements being not expressly set out, or also include for this process, method, article
Or the key element that terminal unit is intrinsic.In the case of there is no more restriction, by wanting that statement " including ... " limits
Element, it is not excluded that there is also other identical element in including the process of described key element, method, article or terminal unit.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art, in the technical scope that the invention discloses, can readily occur in change or replace, should contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with scope of the claims.
Claims (10)
1. a picture caption presentation method, it is characterised in that including:
Before video playback, the surface of native layer is sent to by application the player of described native layer；
When described video playback, described picture caption data is sent to described native from the player of described native layer
The surface of layer；
Described picture caption data is shown at the surface of described native layer.
Method the most according to claim 1, it is characterised in that described when described video playback, by described picture captions
Before the step of the surface that data are sent to described native layer from the player of described native layer, described method is also wrapped
Include:
By the player of described native layer, video file decapsulation to be played is obtained described picture caption data；
By the player of described native layer, the described picture caption data obtained is joined in buffer queue.
Method the most according to claim 2, it is characterised in that when described video playback, by described picture caption data
The step of the surface of described native layer it is sent to from the player of described native layer, including:
According to the current play time of described video, read the institute in described buffer queue by the player of described native layer
State picture caption data；
By the player of described native layer, the described picture caption data of reading is set in the broadcast window of described video
Displaing coordinate and scaling；
Described picture caption data after arranging is sent to described native layer from the player of described native layer
surface。
Method the most according to claim 1, it is characterised in that: the surface of described native layer is by java layer
Surface creates, and the surface of described java layer is created by described application.
5. according to the method described in any one of Claims 1 to 4, it is characterised in that described method is applied to Android system.
6. a picture subtitling display equipment, it is characterised in that including:
First sending module, for before video playback, is sent to described native by the surface of native layer by application
The player of layer；
Second sending module, for when described video playback, by described picture caption data from the broadcasting of described native layer
Device is sent to the surface of described native layer；
Display module, for showing described picture caption data at the surface of described native layer.
Device the most according to claim 6, it is characterised in that also include:
Acquisition module, for when described video playback, sends out described picture caption data from the player of described native layer
Before the step of the surface delivering to described native layer, by the player of described native layer to video literary composition to be played
Part decapsulation obtains described picture caption data；
Add buffer queue module, for being added by the described picture caption data obtained by the player of described native layer
In buffer queue.
Device the most according to claim 7, it is characterised in that described second sending module includes:
Reading submodule, for the current play time according to described video, reads institute by the player of described native layer
State the described picture caption data in buffer queue；
Submodule is set, regards described for being arranged the described picture caption data of reading by the player of described native layer
Displaing coordinate in the broadcast window of frequency and scaling；
Sending submodule, the described picture caption data after arranging is sent to described from the player of described native layer
The surface of native layer.
Device the most according to claim 6, it is characterised in that the surface of described native layer is by java layer
Surface creates, and the surface of described java layer is created by described application.
10. according to the device described in any one of claim 6～9, it is characterised in that described device is applied to Android system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610695737.9A CN106254928B (en) | 2016-08-19 | 2016-08-19 | A kind of picture caption presentation method and device |
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|---|---|---|---|
| CN201610695737.9A CN106254928B (en) | 2016-08-19 | 2016-08-19 | A kind of picture caption presentation method and device |
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| CN106254928B (en) | 2019-07-30 |
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Address after: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee after: Hisense Video Technology Co., Ltd Address before: 266555 Qingdao economic and Technological Development Zone, Shandong, Hong Kong Road, No. 218 Patentee before: HISENSE ELECTRIC Co.,Ltd. |