CN109525899A - The method and device that subtitle and audio video synchronization are presented - Google Patents
The method and device that subtitle and audio video synchronization are presented Download PDFInfo
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- CN109525899A CN109525899A CN201811376338.1A CN201811376338A CN109525899A CN 109525899 A CN109525899 A CN 109525899A CN 201811376338 A CN201811376338 A CN 201811376338A CN 109525899 A CN109525899 A CN 109525899A
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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
- H04N21/488—Data services, e.g. news ticker
- H04N21/4884—Data services, e.g. news ticker for displaying subtitles
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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
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
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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
- H04N21/43—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
- H04N21/4318—Generation of visual interfaces for content selection or interaction; Content or additional data rendering by altering the content in the rendering process, e.g. blanking, blurring or masking an image region
-
- 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
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/278—Subtitling
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Studio Circuits (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The application provides the method and device of a kind of subtitle and audio video synchronization presentation.This method comprises: when video starts to play, the display of a subtitle is carried out according to following Subtitle Demonstration process: the data of a subtitle are taken out from the queue of storage caption data, the data of one subtitle include at least the time started, end time and caption content, the data of one subtitle are rendered and drawn, after drafting, the transparency that current subtitle is arranged is 0, when determining that a subtitle needs to show, initial value is set by the transparency of current subtitle to show a subtitle, when judging to have the data of next subtitle in queue, the display of next subtitle is carried out according to the Subtitle Demonstration process.To reduce between video and subtitle synchronous error, it can be achieved that synchronization between video and subtitle, improves user experience.
Description
Technical field
This application involves the method and devices that field of communication technology more particularly to a kind of subtitle and audio video synchronization are presented.
Background technique
Currently, for the conventional process of subtitle and audio video synchronization are as follows: the data for downloading and parsing subtitle first will solve
The data for analysing the subtitle completed are stored in a queue, after video playing starts, obtain current video play time, will be current
At the beginning of video playback time and next subtitle or the end time of current subtitle compares, if current video plays
At the beginning of time is greater than or equal to next subtitle or the end time of current subtitle, then a subtitle is removed from queue
Data rendered and drawn, then show.
As can be seen that also needing to carry out the rendering and drafting of subtitle after video arrival play time in above-mentioned treatment process
Operation, causes the display of subtitle to have some delays, especially in the biggish subtitle of processing data volume, such as certain science popularization sections
Mesh may draw the subtitle of multiple regions simultaneously in a program to carry out science popularization, have when drawing the subtitle of multiple regions several
Hundred milliseconds of time delay, so that the display delay of subtitle is it is obvious that cause asynchronous between video and subtitle, large effect
User experience.
Summary of the invention
The method and device that the application provides a kind of subtitle and audio video synchronization is presented is, it can be achieved that same between video and subtitle
Step improves user experience.
In a first aspect, the application provides the method for a kind of subtitle and audio video synchronization presentation, comprising:
When video starts to play, the display of a subtitle is carried out according to following Subtitle Demonstration process:
The data of a subtitle are taken out from the queue of storage caption data, the data of a subtitle, which include at least, to be opened
Begin time, end time and caption content；
The data of one subtitle are rendered and drawn；
After drawing to the data of a subtitle, the transparency that drawn subtitle is arranged is 0；
When determining that a subtitle needs to show, initial value is set by the transparency of current subtitle to show described one
Subtitle；
When judging there are the data of next subtitle in the queue, next subtitle is carried out according to the Subtitle Demonstration process
Display.
Optionally, the determination one subtitle needs to show, comprising:
Current video play time is obtained, if at the beginning of current video play time is greater than or equal to a subtitle
Between, it is determined that a subtitle needs to show.
Optionally, the determination one subtitle needs to show, comprising:
Receive Subtitle Demonstration request, it is determined that a subtitle needs to show.
Optionally, the method also includes:
From the data procedures for taking out a subtitle in the queue or the data of a subtitle are rendered
When with having subtitle to need to show during drafting, described one is directly displayed after drawing to the data of a subtitle
Subtitle.
Optionally, the method also includes:
Receive Subtitle Demonstration request；
When judging that Subtitle Demonstration process is currently at first state, initial value is set with aobvious by the transparency of current subtitle
Show a subtitle, the first state are as follows: after drawing to the data of a subtitle, drawn subtitle is set
Transparency is 0；
When judging that Subtitle Demonstration process is currently at the second state or the third state, into thread is waited, to described one
The data of subtitle directly display a subtitle, second state are as follows: taken out one from the queue after drawing
The data of subtitle；The third state are as follows: the data of a subtitle are rendered and drawn.
Second aspect, the application provide the device of a kind of subtitle and audio video synchronization presentation, comprising:
First display module, for carrying out a subtitle according to following Subtitle Demonstration process when video starts to play
Display:
The data of a subtitle are taken out from the queue of storage caption data, the data of a subtitle, which include at least, to be opened
Begin time, end time and caption content；
The data of one subtitle are rendered and drawn；
After drawing to the data of a subtitle, the transparency that drawn subtitle is arranged is 0；
When determining that a subtitle needs to show, initial value is set by the transparency of current subtitle to show described one
Subtitle；
Second display module, it is aobvious according to the subtitle when for there is the data of next subtitle in judging the queue
Show that process carries out the display of next subtitle.
Optionally, first display module is used for:
Current video play time is obtained, if at the beginning of current video play time is greater than or equal to a subtitle
Between, it is determined that a subtitle needs to show.
Optionally, first display module is used for:
Receive Subtitle Demonstration request, it is determined that a subtitle needs to show.
Optionally, first display module is also used to:
From the data procedures for taking out a subtitle in the queue or the data of a subtitle are rendered
When with having subtitle to need to show during drafting, described one is directly displayed after drawing to the data of a subtitle
Subtitle.
Optionally, described device further include:
Receiving module, for receiving Subtitle Demonstration request；
First display module is used for: when judging that Subtitle Demonstration process is currently at first state, by current subtitle
Transparency is set as initial value to show a subtitle, the first state are as follows: draws to the data of a subtitle
After, the transparency that drawn subtitle is arranged is 0；
When judging that Subtitle Demonstration process is currently at the second state or the third state, into thread is waited, to described one
The data of subtitle directly display a subtitle, second state are as follows: taken out one from the queue after drawing
The data of subtitle；The third state are as follows: the data of a subtitle are rendered and drawn.
The third aspect, the application provide a kind of electronic equipment, comprising:
Memory, for storing program instruction；
Processor, for calling and executing the program instruction in the memory, to realize the subtitle and view of first aspect
The synchronous method presented of frequency.
Fourth aspect, the application provide a kind of readable storage medium storing program for executing, are stored with computer program in readable storage medium storing program for executing, when
When at least one processor of electronic equipment executes the computer program, the subtitle and video of electronic equipment execution first aspect are same
Walk the method presented.
5th aspect, the application provide a kind of program product, which includes computer program, the computer program
It is stored in readable storage medium storing program for executing.At least one processor of electronic equipment can read the computer journey from readable storage medium storing program for executing
Sequence, at least one processor execute subtitle and the audio video synchronization presentation that the computer program makes electronic equipment implement first aspect
Method.
The method and device that subtitle provided by the present application and audio video synchronization are presented, by when video starts to play, from depositing
The data for taking out a subtitle in the queue of caption data are put, then the data of a subtitle are rendered and drawn, are drawn
After, the transparency that drawn subtitle is arranged is 0, when determining that a subtitle needs to show, by the transparency of current subtitle
Initial value is set as to show a subtitle, when judging to have the data of next subtitle in queue, repeat subtitle flow for displaying into
The display of next subtitle of row.By the way that time-consuming more rendering and drawing process are shifted to an earlier date, the interval for making full use of subtitle to play
Time carries out the relatively time-consuming operation such as rendering and drafting of subtitle, and subtitle has drawn the transparent of the drawn subtitle of setting
Degree is 0, when needing to show subtitle, it is only necessary to which the setting for carrying out transparency reduces same between video and subtitle
The error of step realizes the synchronization between video and subtitle, improves user experience.
Detailed description of the invention
In order to clearly demonstrate the application or technical solution in the prior art, embodiment or the prior art will be retouched below
Attached drawing needed in stating is briefly described, it should be apparent that, the accompanying drawings in the following description is some of the application
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the flow chart of the embodiment of the method for a kind of subtitle provided by the present application and audio video synchronization presentation；
Fig. 2 is the flow diagram continuously played the video and subtitle；
Fig. 3 is a kind of subtitle provided by the present application and the flow diagram that audio video synchronization is presented；
Fig. 4 is the flow diagram of the embodiment of the method for a kind of subtitle provided by the present application and audio video synchronization presentation；
Fig. 5 is to switch schematic diagram for the state under different situations；
Fig. 6 is the structural schematic diagram of the Installation practice of a kind of subtitle provided by the present application and audio video synchronization presentation；
Fig. 7 is the structural schematic diagram of the Installation practice of a kind of subtitle provided by the present application and audio video synchronization presentation；
Fig. 8 is the structural schematic diagram of a kind of electronic equipment embodiment provided by the present application.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the attached drawing in the application, to this
Technical solution in application is clearly and completely described, it is clear that and described embodiment is some embodiments of the present application,
Instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making creative labor
Every other embodiment obtained under the premise of dynamic, shall fall in the protection scope of this application.
In the related technology, in processing caption and video synchronization process, video reaches the wash with watercolours of progress subtitle after play time
Dye and drafting operation, having drawn could show, the display of subtitle is caused to have some delays, cause different between video and subtitle
Step, large effect user experience, the method and device that the application provides a kind of subtitle and audio video synchronization is presented can be applied to
In the electronic equipment of the playable audio-video such as TV, computer, video starts just to take the data of subtitle to carry out from queue when playing
Rendering and drafting, the transparency that drawn subtitle is arranged after drafting is 0, and time-consuming more rendering and drawing process are mentioned
Before, when needing to show subtitle, it is only necessary to which the setting for carrying out transparency reduces mistake synchronous between video and subtitle
Difference improves user experience, it can be achieved that synchronization between video and subtitle.The technical side of the application is described in detail with reference to the accompanying drawing
Case.
Fig. 1 is the flow chart of the embodiment of the method for a kind of subtitle provided by the present application and audio video synchronization presentation, the present embodiment
Executing subject can for electronic equipment or it is any have the function of the subtitle of the present embodiment and audio video synchronization presentation software or
Hardware, as shown in Figure 1, the method for the present embodiment may include:
When S101, video start to play, the aobvious of a subtitle is carried out according to the Subtitle Demonstration process of following S1011-S1014
Show:
Specifically, before video starts broadcasting, the data of subtitle are downloaded and parsed first, the caption data that will be parsed
It is stored in a queue, queue is First Input First Output, when video starts to play, i.e., according to the word of following S1011-S1014
Curtain flow for displaying carries out the display of a subtitle.
S1011, the data that a subtitle is taken out from the queue of storage caption data, the data of a subtitle include at least
Time started, end time and caption content.
Specifically, take out a subtitle, show a subtitle, the data of a subtitle can also include the font of subtitle,
The information such as color, title back color, time started start to show that time, end time are that the end of subtitle is shown for subtitle
Time.
S1012, the data of a subtitle are rendered and is drawn.
S1013, after being drawn to the data of subtitle, the transparency that drawn subtitle is arranged is 0.
Specifically, the transparency that drawn subtitle is arranged is 0, i.e., is hidden to the subtitle currently drawn and does not show.
S1014, when determining that a subtitle needs to show, it is described to show to set initial value for the transparency of current subtitle
One subtitle.
Specifically, it is determined that a subtitle needs to show, there are two types of enforceable modes:
Mode one obtains current video play time, if current video play time is greater than or equal to opening for a subtitle
Begin the time, it is determined that this subtitle needs to show.
Mode two receives Subtitle Demonstration request, it is determined that this subtitle needs to show.
It should be noted that the initial value of transparency can be 100 or other.
S102, it when judging to have the data of next subtitle in queue, is carried out according to the Subtitle Demonstration process of S1011-S1014
The display of next subtitle.
In particular it is required that after current subtitle is successfully shown, carrying out queuing data amount when continuously playing the video and subtitle and sentencing
It is disconnected, that is, when judging there are the data of next subtitle in the queue, carried out according to the Subtitle Demonstration process of above-mentioned S1011-S1014
The display of next subtitle takes out the data of next subtitle from queue, is then rendered and drawn, drafting terminates
Afterwards, the transparency that drawn subtitle is arranged is 0, since the subtitle transparency newly drawn out is 0, so will not influence current subtitle
Display, Fig. 2 is the flow diagram continuously played the video and subtitle, as shown in Fig. 2, after video program starts broadcasting, first
The data of subtitle 1 are rendered and are drawn, after drafting, current word is arranged by the data that a subtitle 1 is taken out from queue
The transparency of curtain is 0, i.e., hides subtitle 1, when not determining that subtitle 1 needs to show, video program normal play, and no subtitle,
When determine subtitle 1 need show (such as current video play time be greater than or equal to subtitle 1 at the beginning of, it is determined that subtitle 1 need
It has been shown that, alternatively, receiving Subtitle Demonstration request, it is determined that subtitle 1 needs to show), set initial for the transparency of subtitle 1
After value is to show that subtitle 1, subtitle 1 are shown successfully, continue the data that a subtitle 2 is taken out from queue, to the data of subtitle 2 into
It row rendering and draws, after drafting, the transparency that current subtitle is arranged is 0, i.e., hides subtitle 2, when determining 2 needs of subtitle
Display is (at the beginning of such as current video play time is greater than or equal to subtitle 2, it is determined that subtitle 2 needs to show, alternatively, connecing
Receive Subtitle Demonstration request, it is determined that subtitle 2 needs to show), initial value is set by the transparency of subtitle 2 to show subtitle 2,
After subtitle 2 is shown successfully, continues the data for taking out a subtitle 3 from queue, the data of subtitle 3 is rendered and drawn,
After drafting, the transparency that current subtitle is arranged is 0, i.e., hides subtitle 3, as long as judging there be next subtitle in queue
Data carry out the display of subtitle according to above-mentioned Subtitle Demonstration process, since the subtitle transparency newly drawn out is 0, so will not
Influence the display of current subtitle, and rendering and the drafting etc. for carrying out subtitle by making full use of the interval time of subtitle broadcasting
Relatively time-consuming operation, when needing to show subtitle, it is only necessary to the setting of transparency is carried out, shared by subtitle
Area size pattern, the font and style of caption character etc. all do not need to repaint, and reduce synchronous between video and subtitle
Error, improve user experience, enhance the competitiveness of product.
In actual video display process, there may be special circumstances, the number of a subtitle is taken out such as from the queue
There is subtitle to need to show during according to being rendered and being drawn in the process or to the data of a subtitle, for example, from
The mistake in the data procedures of a subtitle or the data of a subtitle being rendered and being drawn is taken out in the queue
Subtitle Demonstration request is received in journey, directly displays a word after drawing at this time to the data of a subtitle
Curtain, the setting without transparency.Fig. 3 is the flow diagram of a kind of subtitle provided by the present application and audio video synchronization presentation, depending on
After frequency program starts broadcasting, the data of a subtitle are taken out from queue, the data of subtitle are rendered and drawn, are being rendered
It in drawing process, determines that the subtitle needs to show, such as receives Subtitle Demonstration request or current video play time is greater than
Or at the beginning of being equal to subtitle, then the subtitle is directly displayed after drafting, without the setting of transparency, the situation one
As appear in video program start play initial time.
In the embodiment of the present application, optionally, whether directly displayed for subtitle under different situations, the method for the present embodiment exists
After S102, can also include:
S103, Subtitle Demonstration request is received；
S104, when judging that Subtitle Demonstration process is currently at first state, set initial for the transparency of current subtitle
Value is to show a subtitle, the first state are as follows: after drawing to the data of a subtitle, setting is drawn
The transparency of subtitle is 0；
S105, when judging that Subtitle Demonstration process is currently at the second state or the third state, into thread is waited, to described
The data of one subtitle directly display a subtitle, second state are as follows: taken from the queue after drawing
The data of a subtitle out；The third state are as follows: the data of a subtitle are rendered and drawn.
The method that subtitle provided in this embodiment and audio video synchronization are presented, by when video starts to play, from storage word
The data of one subtitle are then rendered and are drawn, drafting terminates by the data that a subtitle is taken out in the queue of curtain data
Afterwards, the transparency that drawn subtitle is arranged is 0, and when determining that a subtitle needs to show, the transparency of current subtitle is arranged
It is initial value to show a subtitle, when judging there are the data of next subtitle in queue, repeats subtitle flow for displaying and carry out down
The display of one subtitle.By the way that time-consuming more rendering and drawing process are shifted to an earlier date, the interval time for making full use of subtitle to play
Come the relatively time-consuming operation such as rendering and drafting for carrying out subtitle, subtitle, which has been drawn, to be arranged the transparency of drawn subtitle and is
0, when needing to show subtitle, it is only necessary to which the setting for carrying out transparency reduces synchronization between video and subtitle
Error realizes the synchronization between video and subtitle, improves user experience.
A specific embodiment is used below, and method shown in FIG. 1 is described in detail.
Fig. 4 is the flow diagram of the embodiment of the method for a kind of subtitle provided by the present application and audio video synchronization presentation, such as Fig. 4
Shown, the method for the present embodiment may include:
S201, downloading and the data for parsing subtitle.
S202, the caption data being parsed is stored in a queue.
When S203, video start to play, the data that a subtitle is taken out from queue are rendered.
Subtitle drafting is carried out after S204, rendering, the transparency that drawn subtitle is arranged after drafting is 0.
S205, poll obtain current video play time.
At the beginning of if S206, current video play time are greater than or equal to drawn subtitle, by the saturating of current subtitle
Lightness is set as initial value, successfully shows this subtitle.
S207, when judging there are the data of next subtitle in queue, the process of next round S203-S206 is executed, is carried out down
The display of one subtitle.
In the embodiment of the present application, optionally, whether is directly displayed for subtitle under different situations, one is provided in the present embodiment
Kind enforceable mode, adoption status machine mode judge that status is not to Subtitle Demonstration process state in which
Together, determine whether subtitle directly displays.It is described in detail below with reference to Fig. 5.
The following state in subtitle flow for displaying is defined first:
First state: after drawing to the data of a subtitle, the transparency that drawn subtitle is arranged is 0.
Second state: the data of a subtitle have been taken out from queue.
The third state: the data of a subtitle are rendered and is drawn.
4th state: subtitle is successfully shown.
Fig. 5 be under different situations state switch schematic diagram, as shown in figure 5, the method for the present embodiment S207 it
After can also include:
S208, Subtitle Demonstration request is received.
When needing to show subtitle, Subtitle Demonstration request is sent by system to request display subtitle.
S209, judge the state that Subtitle Demonstration process is presently in, if Subtitle Demonstration process is currently at first state,
Initial value is set by the transparency of current subtitle to show a subtitle.
If S210, Subtitle Demonstration process are currently at the second state or the third state, into thread is waited, to a word
The data of curtain directly display a subtitle after drawing.
Specifically, it if Subtitle Demonstration process is currently at the second state or the third state, can be into waiting thread,
It waits thread to be waken up immediately after subtitle is drawn, carries out Subtitle Demonstration.
The method that subtitle provided in this embodiment and audio video synchronization are presented, adoption status machine mode are come to Subtitle Demonstration process
State in which is judged that the difference of status determines whether subtitle directly displays, after receiving Subtitle Demonstration request,
If Subtitle Demonstration process is currently at first state, initial value is set by the transparency of current subtitle to show a word
Curtain, into thread is waited, is drawn the data of a subtitle if Subtitle Demonstration process is currently at the second state or the third state
A subtitle is directly displayed after system, and time-consuming more rendering and drawing process are shifted to an earlier date, and carries out for different situations
Different Subtitle Demonstrations reduces error synchronous between video and subtitle, realizes the synchronization between video and subtitle, improves
User experience.
Fig. 6 is the structural schematic diagram of the Installation practice of a kind of subtitle provided by the present application and audio video synchronization presentation, such as Fig. 6
Shown, the device of the present embodiment may include: the first display module 11 and the second display module 12, wherein
First display module 11 is used to carry out a subtitle according to following Subtitle Demonstration process when video starts to play
Display:
The data of a subtitle are taken out from the queue of storage caption data, the data of a subtitle, which include at least, to be opened
Begin time, end time and caption content；
The data of one subtitle are rendered and drawn；
After drawing to the data of a subtitle, the transparency that drawn subtitle is arranged is 0；
When determining that a subtitle needs to show, initial value is set by the transparency of current subtitle to show described one
Subtitle；
It is aobvious according to the subtitle when second display module 12 is used to have the data of next subtitle in judging the queue
Show that process carries out the display of next subtitle.
Optionally, first display module 11 is used for:
Current video play time is obtained, if at the beginning of current video play time is greater than or equal to a subtitle
Between, it is determined that a subtitle needs to show.
Optionally, first display module 11 is used for:
Receive Subtitle Demonstration request, it is determined that a subtitle needs to show.
Optionally, first display module 11 is also used to:
From the data procedures for taking out a subtitle in the queue or the data of a subtitle are rendered
When with having subtitle to need to show during drafting, described one is directly displayed after drawing to the data of a subtitle
Subtitle.
The device of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 1, realization principle and skill
Art effect is similar, and details are not described herein again.
The device that subtitle provided in this embodiment and audio video synchronization are presented passes through rendering and drawing process that time-consuming is more
In advance, the relatively time-consuming operation such as rendering and drafting that the interval time for making full use of subtitle to play carries out subtitle, word
Curtain has drawn be arranged drawn subtitle transparency be 0, when needing to show subtitle, it is only necessary to carry out the setting of transparency
, error synchronous between video and subtitle is reduced, the synchronization between video and subtitle is realized, improves user's body
It tests.
Fig. 7 is the structural schematic diagram of the Installation practice of a kind of subtitle provided by the present application and audio video synchronization presentation, such as Fig. 7
It is shown, it can also include: receiving module 13, this connects further on the basis of the device of the present embodiment device shown in Fig. 6
Module 13 is received for receiving Subtitle Demonstration request.
First display module 11 is used for: when judging that Subtitle Demonstration process is currently at first state, by the saturating of current subtitle
Lightness is set as initial value to show a subtitle, the first state are as follows: draws knot to the data of a subtitle
Shu Hou, the transparency that drawn subtitle is arranged is 0；
When judging that Subtitle Demonstration process is currently at the second state or the third state, into thread is waited, to described one
The data of subtitle directly display a subtitle, second state are as follows: taken out one from the queue after drawing
The data of subtitle；The third state are as follows: the data of a subtitle are rendered and drawn.
The device of the present embodiment can be used for executing the technical solution of embodiment of the method shown in Fig. 1, realization principle and skill
Art effect is similar, and details are not described herein again.
Fig. 8 is the structural schematic diagram of a kind of electronic equipment embodiment provided by the present application, as shown in figure 8, the present embodiment
Device may include: memory 201 and processor 202,
Memory 201, for storing program instruction, which can be flash (flash memory).
Processor 202, for calling and executing the program instruction in memory, with realize Fig. 1 or subtitle shown in Fig. 4 and
Each step in method that audio video synchronization is presented.It specifically may refer to the associated description in previous methods embodiment.
It can also include input/output interface 203.Input/output interface 203 may include independent output interface and defeated
Incoming interface, or the integrated integrated interface output and input.Wherein, output interface is used for output data, and input interface is used
In the data for obtaining input, the data of above-mentioned output are the general designation exported in above method embodiment, and the data of input are above-mentioned
The general designation inputted in embodiment of the method.
The application also provides a kind of readable storage medium storing program for executing, is stored with computer program in readable storage medium storing program for executing, when electronics is set
When at least one standby processor executes the computer program, electronic equipment executes the subtitle of first aspect and audio video synchronization is presented
Method.
The application also provides a kind of program product, which includes computer program, which is stored in
In readable storage medium storing program for executing.At least one processor of electronic equipment can read the computer program from readable storage medium storing program for executing, until
A few processor executes the computer program and makes the side that electronic equipment implements the subtitle of first aspect and audio video synchronization is presented
Method.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned include: ROM, RAM, magnetic disk or
The various media that can store program code such as person's CD.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the application, rather than its limitations；To the greatest extent
Pipe is described in detail the application referring to foregoing embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, each embodiment technology of the application that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (12)
1. a kind of method that subtitle and audio video synchronization are presented characterized by comprising
When video starts to play, the display of a subtitle is carried out according to following Subtitle Demonstration process:
The data that a subtitle is taken out from the queue of storage caption data, when the data of a subtitle include at least beginning
Between, end time and caption content；
The data of one subtitle are rendered and drawn；
After drawing to the data of a subtitle, the transparency that drawn subtitle is arranged is 0；
When determining that a subtitle needs to show, initial value is set by the transparency of current subtitle to show a word
Curtain；
When judging there are the data of next subtitle in the queue, the aobvious of next subtitle is carried out according to the Subtitle Demonstration process
Show.
2. the method according to claim 1, wherein the determination one subtitle needs to show, comprising:
Current video play time is obtained, if at the beginning of current video play time is greater than or equal to a subtitle,
Then determine that a subtitle needs to show.
3. the method according to claim 1, wherein the determination one subtitle needs to show, comprising:
Receive Subtitle Demonstration request, it is determined that a subtitle needs to show.
4. the method according to claim 1, wherein the method also includes:
From the data procedures for taking out a subtitle in the queue or the data of a subtitle are rendered and drawn
When having subtitle to need to show during system, a word is directly displayed after drawing to the data of a subtitle
Curtain.
5. the method according to claim 1, wherein the method also includes:
Receive Subtitle Demonstration request；
When judging that Subtitle Demonstration process is currently at first state, initial value is set to show by the transparency of current subtitle
State a subtitle, the first state are as follows: after drawing to the data of a subtitle, the transparent of drawn subtitle is set
Degree is 0；
When judging that Subtitle Demonstration process is currently at the second state or the third state, into thread is waited, to a subtitle
Data draw after directly display a subtitle, second state are as follows: a word has been taken out from the queue
The data of curtain；The third state are as follows: the data of a subtitle are rendered and drawn.
6. the device that a kind of subtitle and audio video synchronization are presented characterized by comprising
First display module, for carrying out the display of a subtitle according to following Subtitle Demonstration process when video starts to play:
The data that a subtitle is taken out from the queue of storage caption data, when the data of a subtitle include at least beginning
Between, end time and caption content；
The data of one subtitle are rendered and drawn；
After drawing to the data of a subtitle, the transparency that drawn subtitle is arranged is 0；
When determining that a subtitle needs to show, initial value is set by the transparency of current subtitle to show a word
Curtain；
Second display module, when for there is the data of next subtitle in judging the queue, according to the Subtitle Demonstration stream
The display of next subtitle of Cheng Jinhang.
7. device according to claim 6, which is characterized in that first display module is used for:
Current video play time is obtained, if at the beginning of current video play time is greater than or equal to a subtitle,
Then determine that a subtitle needs to show.
8. device according to claim 6, which is characterized in that first display module is used for:
Receive Subtitle Demonstration request, it is determined that a subtitle needs to show.
9. device according to claim 6, which is characterized in that first display module is also used to:
From the data procedures for taking out a subtitle in the queue or the data of a subtitle are rendered and drawn
When having subtitle to need to show during system, a word is directly displayed after drawing to the data of a subtitle
Curtain.
10. device according to claim 6, which is characterized in that described device further include:
Receiving module, for receiving Subtitle Demonstration request；
First display module is used for: when judging that Subtitle Demonstration process is currently at first state, by the transparent of current subtitle
Degree is set as initial value to show a subtitle, the first state are as follows: terminates to the data drafting of a subtitle
Afterwards, the transparency that drawn subtitle is arranged is 0；
When judging that Subtitle Demonstration process is currently at the second state or the third state, into thread is waited, to a subtitle
Data draw after directly display a subtitle, second state are as follows: a word has been taken out from the queue
The data of curtain；The third state are as follows: the data of a subtitle are rendered and drawn.
11. a kind of electronic equipment characterized by comprising
Memory, for storing program instruction；
Processor, for calling and executing the program instruction in the memory, to realize that claim 1-5 is described in any item
The method that subtitle and audio video synchronization are presented.
12. a kind of readable storage medium storing program for executing, which is characterized in that be stored with computer program in the readable storage medium storing program for executing, work as electronics
When at least one processor of equipment executes the computer program, the electronic equipment perform claim is required described in any one of 1-5
Subtitle and audio video synchronization present method.
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| CN201811376338.1A CN109525899A (en) | 2018-11-19 | 2018-11-19 | The method and device that subtitle and audio video synchronization are presented |
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