CN108600856A - The recognition methods of plug-in subtitle language and device in video file - Google Patents
The recognition methods of plug-in subtitle language and device in video file Download PDFInfo
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- CN108600856A CN108600856A CN201810228863.2A CN201810228863A CN108600856A CN 108600856 A CN108600856 A CN 108600856A CN 201810228863 A CN201810228863 A CN 201810228863A CN 108600856 A CN108600856 A CN 108600856A
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- CN
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- Prior art keywords
- subtitle
- plug
- language
- video file
- text
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/60—Type of objects
- G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
- G06V20/635—Overlay text, e.g. embedded captions in a TV program
-
- 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
- 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
- H04N21/485—End-user interface for client configuration
- H04N21/4856—End-user interface for client configuration for language selection, e.g. for the menu or subtitles
Abstract
The invention discloses a kind of recognition methods of plug-in subtitle language in video file and devices, belong to video technique field.This method includes：By the play instruction for receiving video file；Then the coded format of the text of the plug-in subtitle used in the video file is got；And then it according to the correspondence of coded format matched encoded radio and plug-in subtitle language, searches and identifies the corresponding subtitle language of the encoded radio of the text of the plug-in subtitle.In such manner, it is possible to correctly identify the language of the plug-in subtitle used in video file, and then load the font file of the language；And without disposably loading the corresponding language wordstock file of all plug-in subtitles, reduce Installed System Memory consumption.
Description
Technical field
The present invention relates to video technique field, more particularly in a kind of video file the recognition methods of plug-in subtitle language and
Device.
Background technology
Currently, media play function has become the function that intelligent terminal (mobile phone, TV etc.) upper depth is liked by user
Using.When user plays the video file of download on intelligent terminal, since certain video files can use plug-in subtitle, and
And the text of plug-in subtitle may be different language, so intelligent terminal needs correctly to parse the language of plug-in subtitle, from
And normally show the content of plug-in subtitle.
In the related technology, a kind of scheme is：The language that plug-in subtitle is identified by the filename of plug-in subtitle, is specifically adopted
With last 3 character representation language of filename.For example, the filename of some plug-in subtitle is the eng.srt that braves the wind and the waves, then word
Symbol eng indicates that the language of the plug-in subtitle is English, then intelligent terminal is when it is English to be resolved to the language of the plug-in subtitle,
It will search and load the font file for supporting English, to realize the normal display of the English subtitles.
In said program, if plug-in subtitle file is not according to unified format (last 3 character representation languages of filename
Speech) it names, alternatively, the plug-in subtitle file that filename includes eng may use Chinese subtitle, then intelligent terminal is just
The language of the plug-in subtitle of None- identified, and then matched font file can not be found, word when causing playing video file
Curtain shows mess code.
Another scheme is：The corresponding language wordstock file synthesis of all plug-in subtitles that video file is used in advance,
When intelligent terminal booting or video file start to play, the font file of the synthesis all load, in this way intelligence end
There is no need to parse the language of plug-in subtitle at end.
In said program, since the corresponding language wordstock file of all plug-in subtitles is all once loaded into intelligent terminal
It is interior, therefore cause intelligent terminal system memory consumption big.
Therefore, it needs to provide a kind of method that can identify multiple plug-in subtitle languages in video file, it is above-mentioned to solve
Subtitle Demonstration mess code or intelligent terminal system memory consumption larger problem when video file plays.
Invention content
In order to solve Subtitle Demonstration mess code or intelligent terminal system memory when video file present in the relevant technologies plays
Larger problem is consumed, an embodiment of the present invention provides a kind of recognition methods of plug-in subtitle language in video file and devices.
The technical solution is as follows：
In a first aspect, providing a kind of recognition methods of plug-in subtitle language in video file, this method includes：
Receive the play instruction of video file；
Obtain the coded format of the text of plug-in subtitle in the video file；
Based on the correspondence of coded format matched encoded radio and plug-in subtitle language, the text of the plug-in subtitle is identified
This corresponding subtitle language of encoded radio.
Second aspect, provides a kind of identification device of plug-in subtitle language in video file, which includes：
Receiving module, the play instruction for receiving video file；
Acquisition module, the coded format for obtaining the text of plug-in subtitle in the video file；
Identification module is used for the correspondence based on coded format matched encoded radio and plug-in subtitle language, identifies institute
State the corresponding subtitle language of encoded radio of the text of plug-in subtitle.
The third aspect provides a kind of intelligent terminal, which includes：Processor, memory and internal bus；The place
Reason device is connect with the memory by the internal bus, and the memory is for storing computer executed instructions, when described
When intelligent terminal is run, the processor executes the computer executed instructions of the memory storage, so that the intelligence
Terminal executes the method as described in above-mentioned first aspect.
Fourth aspect provides a kind of computer storage media, is stored thereon with computer executed instructions, when computer is held
When row instruction is run on computers so that computer executes the method as described in above-mentioned first aspect.
The advantageous effect that technical solution provided in an embodiment of the present invention is brought is：
In embodiments of the present invention, pass through the play instruction of reception video file；Then getting in the video file makes
The coded format of the text of plug-in subtitle；And then it is corresponding with plug-in subtitle language according to the matched encoded radio of coded format
Relationship searches and identifies the corresponding subtitle language of the encoded radio of the text of the plug-in subtitle.In such manner, it is possible to which correctly identification video is literary
The language of the plug-in subtitle used in part, and then load the font file of the language；And without disposably loading all plug-in words
The corresponding language wordstock file of curtain reduces Installed System Memory consumption.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is a kind of flow chart of the recognition methods of plug-in subtitle language in video file；
Fig. 2 is a kind of flow chart of the recognition methods of plug-in subtitle language in illustrative video file；
Fig. 3 is a kind of hardware structure diagram of equipment where the identification device of plug-in subtitle language in a kind of video file；
Fig. 4 is a kind of block diagram of the identification device of plug-in subtitle language in video file.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
In order to realize the normal display of multilingual subtitle in video file, it is necessary to load the corresponding word of different language subtitle
Library file.It thus needs intelligent terminal to can recognize that the language of plug-in subtitle, then finds the language of the plug-in subtitle
Corresponding font file realizes the normal display of subtitle to normally render caption character when video file plays.
However.As described in background technology, on the one hand, if plug-in subtitle file do not named according to unified format or
The corresponding language of filename and the practical subtitle language of plug-in subtitle file are not inconsistent, then lead to not correctly identify plug-in subtitle language
Speech；On the other hand, according to disposably loading the corresponding language wordstock file of multiple plug-in subtitles, into outside without system analysis
Subtitle language is hung, then causes Installed System Memory consumption larger.
Therefore, inventor finds out：By the coded format for recognizing the text of the plug-in subtitle used in video file；Into
And according to the correspondence of coded format matched encoded radio and plug-in subtitle language, search and identify the text of the plug-in subtitle
The corresponding subtitle language of encoded radio.In such manner, it is possible to avoid not naming according to unified format due to plug-in subtitle file, or
Person, the corresponding language of filename and the practical subtitle language of plug-in subtitle file are not inconsistent, and the plug-in subtitle language of None- identified occur
The problem of speech, and can avoid since the corresponding language wordstock file of multiple plug-in subtitles is all once loaded into intelligent terminal
It is interior, and the problem that the intelligent terminal system memory consumption that occurs is big
Fig. 1 is a kind of flow chart of the recognition methods of plug-in subtitle language in video file, and referring to Fig. 1, this method is specific
It may include steps of：
Step 11：Receive the play instruction of video file；
Step 12：Obtain the coded format of the text of plug-in subtitle in the video file；
Step 13：Based on the correspondence of coded format matched encoded radio and plug-in subtitle language, the plug-in word is identified
The corresponding subtitle language of encoded radio of the text of curtain.
In embodiments of the present invention, pass through the play instruction of reception video file；Then getting in the video file makes
The coded format of the text of plug-in subtitle；And then it is corresponding with plug-in subtitle language according to the matched encoded radio of coded format
Relationship searches and identifies the corresponding subtitle language of the encoded radio of the text of the plug-in subtitle.It is regarded in this way, can not only correctly identify
The language of the plug-in subtitle used in frequency file, and then load the font file of the language；And it is all without disposable load
The corresponding language wordstock file of plug-in subtitle reduces Installed System Memory consumption.
Fig. 2 is a kind of flow chart of the recognition methods of plug-in subtitle language in illustrative video file, should referring to Fig. 2
Method is specific as follows：
Step 21：Receive the play instruction of video file.
Step 22：Judge to whether there is plug-in subtitle in the video file；If so, thening follow the steps 23.
Specifically, media player receive user transmission video file play instruction when, due to certain videos
File can use plug-in subtitle, and the text of plug-in subtitle may be different language, so first determining whether the video file
Whether include plug-in subtitle, if there is plug-in subtitle, then needs to identify plug-in subtitle language, and then load correct character library text
Part realizes the normal rendering of subtitle.
Step 23：Obtain the coded format of the text of plug-in subtitle in the video file.
Step 24：Judge whether the coded format of the text of the plug-in subtitle obtained is Unicode codings；If so, holding
Row step 26；If it is not, thening follow the steps 25.
Step 25：It is converted by character code, the coded format of the text of plug-in subtitle is converted into Unicode codings.
Step 26：According to the corresponding table of Unicode encoded radios range and plug-in subtitle language, the plug-in subtitle is found out
The corresponding language of text.
Wherein, in order to save the Installed System Memory of load font file consumption, not by the language wordstock of multiple plug-in subtitles
File synthesis together, while considering that the language for including in the filename of plug-in subtitle may not be correct, so this reality
It applies by identifying the plug-in real language of subtitle file in example, to realize the normal display of multilingual subtitle.
Specifically, in video file, there are the coding lattice for when plug-in subtitle, identifying that the text of the plug-in subtitle uses first
Formula is searched the corresponding table of the matched encoded radio of coded format and plug-in subtitle language, is obtained then according to the coded format identified
To the corresponding language of text of the plug-in subtitle.
Preferably, to avoid because storing the matched encoded radio of multiple coded formats and plug-in subtitle language in intelligent terminal
Corresponding table and occupy more Installed System Memories, stored in preferred intelligent terminal in the present embodiment Unicode encoded radios range with it is plug-in
The correspondence table of subtitle language, as shown in table 1 below.
Wherein, Unicode is a kind of character code.It is unified and unique for each character setting in each language
Binary coding, with meet across language, it is cross-platform carry out text conversion, processing requirement.
The corresponding plug-in subtitle language of different Unicode encoded radios ranges is had recorded in table 1, such as：Unicode encoded radios
Range 0-125, corresponding plug-in subtitle is English；Unicode encoded radio ranges 19968-40917, corresponding plug-in subtitle are
Chinese.
The correspondence table of table 1 Unicode encoded radios range and plug-in subtitle language
Therefore, after the coded format that the text for identifying the plug-in subtitle uses, it is necessary first to judge the coded format
Whether it is Unicode codings.It is encoded if it is Unicode, then directly searches Unicode encoded radios range and plug-in subtitle language
Correspondence table；Otherwise, it is necessary to be converted by character code, the coded format of the text of the plug-in subtitle is converted to
Unicode is encoded, and then further according to the corresponding table of Unicode encoded radios range and plug-in subtitle language, finds out the plug-in word
The corresponding language of text of curtain.
Step 27：According to the corresponding table of plug-in subtitle language and font file, the text with above-mentioned plug-in subtitle is found out
The corresponding matched font file of language, and load the font file.
Specifically, after identifying plug-in subtitle language, corresponding table of the plug-in subtitle language with font file is then searched,
To find out the plug-in matched font file of subtitle language, and then the font file is loaded, normally render caption character, realized
The normal display of video file plug-in subtitle when playing.
In this way, the language of the plug-in subtitle used in video file can not only be identified correctly, and then load the language
Font file；And without disposably loading the corresponding language wordstock file of all plug-in subtitles, Installed System Memory can be reduced and disappeared
Consumption.
Based on same technical concept, the present invention also provides the identification devices of plug-in subtitle language in a kind of video file
Embodiment.
The present invention, which is the embodiment of the identification device of plug-in subtitle language in video file, to be applied on intelligent terminal.
Device embodiment can also be realized by software realization by way of hardware or software and hardware combining.It is implemented in software
For, it is corresponding calculating in the processor run memory by equipment where it as the device on a logical meaning
What machine program instruction was formed.For hardware view, Fig. 3 is equipment where the identification device of plug-in subtitle language in video file
A kind of hardware structure diagram, other than processor shown in Fig. 3 and nonvolatile memory, in embodiment where device
Equipment can also include other hardware generally according to the actual functional capability of the equipment.
Fig. 4 is a kind of block diagram of the identification device of plug-in subtitle language in video file, referring to Fig. 4, wherein the device packet
Include receiving module 41, acquisition module 42, identification module 43.
Receiving module 41, the play instruction for receiving video file；
Acquisition module 42, the coded format for obtaining the text of plug-in subtitle in the video file；
Identification module 43 is used for the correspondence based on coded format matched encoded radio and plug-in subtitle language, identification
The corresponding subtitle language of encoded radio of the text of the plug-in subtitle.
Optionally, which further includes：
First judgment module 44, for judging whether the coded format of the text of the plug-in subtitle is Unicode codings；If
It is no, then the coded format of the text of the plug-in subtitle is converted into Unicode codings by character code.
Optionally, which further includes：
Load-on module 45 is used for the correspondence based on plug-in subtitle language and font file, finds out the plug-in subtitle
The corresponding font file of language, and load the font file.
Optionally, which further includes：
Second judgment module 46 whether there is plug-in subtitle for judging in the video file.
It should be noted that：The identification device of plug-in subtitle language is carrying out language in the video file that above-described embodiment provides
Say identifying processing when, only the example of the division of the above functional modules, in practical application, can as needed and incite somebody to action
Above-mentioned function distribution is completed by different function modules, i.e., the internal structure of device is divided into different function modules, with complete
At all or part of function described above.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. the recognition methods of plug-in subtitle language in a kind of video file, which is characterized in that the method includes：
Receive the play instruction of video file；
Obtain the coded format of the text of plug-in subtitle in the video file；
Based on the correspondence of coded format matched encoded radio and plug-in subtitle language, the text of the plug-in subtitle is identified
The corresponding subtitle language of encoded radio.
2. the method as described in claim 1, which is characterized in that described to obtain the text of plug-in subtitle in the video file
After coded format, the method further includes：
Judge whether the coded format of the text of the plug-in subtitle is Unicode codings；
If it is not, the coded format of the text of the plug-in subtitle is then converted to Unicode codings by character code.
3. method as claimed in claim 1 or 2, which is characterized in that the encoded radio of the text of the identification plug-in subtitle
After corresponding subtitle language, the method further includes：
Correspondence based on plug-in subtitle language and font file finds out the corresponding font file of the subtitle language, and
Load the font file.
4. method as described in any one of claims 1-3, which is characterized in that described to obtain plug-in subtitle in the video file
Before the coded format of text, the method further includes：
Judge to whether there is the plug-in subtitle in the video file.
5. the identification device of plug-in subtitle language in a kind of video file, which is characterized in that described device includes：
Receiving module, the play instruction for receiving video file；
Acquisition module, the coded format for obtaining the text of plug-in subtitle in the video file；
Identification module is used for the correspondence based on coded format matched encoded radio and plug-in subtitle language, identifies described outer
Hang the corresponding subtitle language of encoded radio of the text of subtitle.
6. device as claimed in claim 5, which is characterized in that described device further includes：
First judgment module, for judging whether the coded format of the text of the plug-in subtitle is Unicode codings；
If it is not, the coded format of the text of the plug-in subtitle is then converted to Unicode codings by character code.
7. device as claimed in claim 5, which is characterized in that described device further includes：
Load-on module is used for the correspondence based on plug-in subtitle language and font file, finds out the subtitle language and corresponds to
Font file, and load the font file.
8. device as claimed in claim 5, which is characterized in that described device further includes：
Second judgment module whether there is the plug-in subtitle for judging in the video file.
9. a kind of intelligent terminal, which is characterized in that including：Processor, memory and internal bus；
The processor is connect with the memory by the internal bus, and the memory refers to for storing computer execution
It enables, when the intelligent terminal is run, the processor executes the computer executed instructions of the memory storage, so that
The intelligent terminal executes the method as described in any one of claim 1-4.
10. a kind of computer storage media, which is characterized in that be stored with computer execution on the computer storage media and refer to
It enables, when computer executed instructions are run on computers so that computer is executed as described in any one of claim 1-4
Method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810228863.2A CN108600856A (en) | 2018-03-20 | 2018-03-20 | The recognition methods of plug-in subtitle language and device in video file |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810228863.2A CN108600856A (en) | 2018-03-20 | 2018-03-20 | The recognition methods of plug-in subtitle language and device in video file |
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| Publication Number | Publication Date |
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| CN108600856A true CN108600856A (en) | 2018-09-28 |
Family
ID=63626793
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| CN201810228863.2A Withdrawn CN108600856A (en) | 2018-03-20 | 2018-03-20 | The recognition methods of plug-in subtitle language and device in video file |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112437354A (en) * | 2019-08-26 | 2021-03-02 | 海信视像科技股份有限公司 | Subtitle display control method and display equipment |
| CN112580302A (en) * | 2020-12-11 | 2021-03-30 | 海信视像科技股份有限公司 | Subtitle correction method and display device |
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| CN103067774A (en) * | 2012-12-28 | 2013-04-24 | 四川九洲电器集团有限责任公司 | Method and system capable of enabling set top box to display add-on subtitles |
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Application publication date: 20180928 |