CN101783908A - Method and device for switching prompt information in video equipment - Google Patents
Method and device for switching prompt information in video equipment Download PDFInfo
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Abstract
The invention provides a method and a device for switching prompt information in video equipment. The method of the invention comprises the following steps: judging the operating function of a received control signal; if the control signal is a signal for enabling first prompt information, setting a marker bit of a current prompt information state and switching to an enabling state of the first prompt information; and if the control signal is the signal for disabling the first prompt information, disabling the first prompt information, and returning to a corresponding state according to the marker bit set in advance. In the method and the device, the marker bit is set, so that automatic switchover is performed between captions; a user only needs to select the function of enabling the captions or disabling the captions, and the video equipment can automatically switch to the corresponding captions or the captions set in advance. The method and the device have the advantage of simple and convenient operations, simplify complex operations, facilitate the use of the user, and improve user experience. The method and the device can be used in network multimedia playing equipment such as a mobile phone connected with a network, a palm video player, a computer and the like, so the application range is wide.
Description
Technical field
The present invention relates to the information control field in the video equipment, more specifically, relate to a kind of method and apparatus of switching prompt information in video equipment.
Background technology
Development along with Digital Television, the user can watch Digital Television by cable TV network, connection diagram referring to the institute of the television set shown in Fig. 1 application network, mixed-media network modules mixed-media is installed in TV, the user can obtain web data by the server on the cable television network view Internet that television set connected.Be positioned at the Internet video provider of network opposite side,, transmit various media video streams to television set, comprise film, TV play, news interview etc. by cable television network as TV services merchant or server etc.
All can embed caption information in these media video streams, at present, can embed two kinds of caption informations, first kind is subhead (subtitle) caption function, and this caption information can be synchronous with the language pronouncing in the videos such as TV play, news interview; The standard of second kind of captions is captions standards of being formulated by hypermedia expert group (MHEG5, Multimedia Hyper Media Experts ' Group).Being divided into is 5 ranks, MHEG-1 (ISO/IEC 13522-1) standard the coding of multimedia/hypermedia information object, be used for information translation be miscellaneous service and use inner or a plurality of business and use between final form unit, conversion comprises all scopes, as local area network (LAN) or wide-area communication or radio network etc.MHEG-5 (ISO/IEC 13552-5) has defined the classification of MHEG target, and its classification is used for conversion, also is used for the application that interactive broadband services operates in basic function on the limited resources terminal.To open the encoding model that mode has defined the program target, the program target both can be compressed with standardized way, also can be with proprietary program encoding compression.The benchmark program that MHEG-5 allows to comprise the program target and can encode in any form.When using this captions standard, the service provider of TV network has and embeds more information, as answer being carried out in on-the-spot broadcasting, TV programme being made comments etc., the user can pass through peripheral hardware, participate in interactive as button on the television set or remote controller etc., feedback answer or make comments etc., and feed back to service provider by the interconnected network of television set.
Owing to will cause confusion when showing polytype captions on the television screen, so television set is during for the caption decoding in the video flowing, can only select a kind of captions to decode, when if the user changes captions, need the current captions of manual-lock, and manually opened other captions, the inconvenience that causes the user to use.For example, what the active user watched is the subtitle captions, when the user need use the MHEG5 captions, need close first MHEG5 caption function, opens the subtitle caption function again.In handoff procedure,, cause misoperation to bring the inconvenience of use to the user easily because repeatedly the manual operation button switches captions.
Summary of the invention
The present invention aims to provide a kind of method and apparatus of switching prompt information in video equipment, when switching captions to solve repeatedly the manual operation button, causes misoperation to bring the problem of the inconvenience of use to the user easily.
According to an aspect of the present invention, provide a kind of method of switching prompt information in video equipment, comprising:
Judge the operating function of the control signal that receives; If described control signal is to open the signal of first information, the flag bit of current information state then is set, switch to the opening of described first information; If described control signal is the signal of closing described first information, then close described first information, turn back to corresponding state according to the flag bit of setting before.
Further, before the described flag bit that current information state is set, also comprise:
Judge whether the state of second information is opened; If open, then close described second information, if close, then continue to carry out the step of the follow-up flag bit that current information state is set.
Further, the described step that the flag bit of current information state is set comprises:
Whether the state of judging described second information is opening or closed condition and judges that whether the state of described first information and described second information is closed condition, is provided with corresponding marker bit according to the state of judging.
Further, after the described flag bit that current information state is set, before the described opening that switches to first information, also comprise:
After the user sends the described opening prompting that switches to first information of affirmation, receives user's affirmation prompting, carry out the described step that switches to the opening of first information.
Further, in the time of the described flag bit that current information state is set, also comprise:
Judge the affirmation prompting that whether receives described user in the scheduled time; If receive described user's affirmation prompting, carry out the described step that switches to the opening of first information, if do not receive described user's affirmation prompting, then carry out the described step that turns back to corresponding state according to predefined flag bit.
Further, the described step that turns back to corresponding state according to predefined flag bit comprises:
Turn back to the opening of second information or closed condition or described first information and described second information according to described flag bit and be closing state.
Further, described first information is subhead captions subtitle, and described second information is the captions MHFG5 of hypermedia expert group, or described first information is MHFG5, and described second information is subtitle.
Further, described video equipment is for connecting television set, the mobile phone with multi-media player function, computer or the handheld video player of network.
According to another aspect of the present invention, also provide a kind of device of switching prompt information in video equipment, comprising:
Judging unit, the operating function that is used to judge the control signal that receives are the signals of opening or closing first information; The flag bit unit, being used for when described judgment unit judges goes out described control signal is to open the signal of first information, and the flag bit of current information state is set; Switch unit is used for after described flag bit unit is provided with the flag bit of current information state described first information being switched to opening; Closing unit, being used for when described judgment unit judges goes out described control signal is the signal of closing described first information, closes described first information; Return the unit, be used for after described closing unit is closed described first cue, turning back to corresponding state according to predefined described flag bit.
Further, also comprise:
Whether detecting unit is used for detecting second information and opening after described judgment unit judges goes out the signal that described control signal is unlatching first information, if open, then carries out the operation of closing described second information; Regularly recovery unit is used for after described tag unit is provided with sign, sends to the user and confirms prompting, does not receive user's affirmation prompting in the given time, then turns back to corresponding state according to predefined described flag bit.
Method and apparatus of the present invention can automatically switch between captions, and the user only need be by the selected caption function of pressing switch to open of remote controller or television set, and then video equipment can automatically switch to selected caption function; If close current caption function, then television set can switch to last caption function or the caption function that the user set in advance.Have advantages of simple operation, with loaded down with trivial details operation simplification, user-friendly, improved user experience.In addition, by the setting of timer, avoided causing the possibility of misoperation or operate miss because of the frequent operation caption function.Be not limited in the television set that connects cable TV network and use, can also be the network multimedia playback equipments such as the mobile phone with multi-media player function, handheld video player (as MP4, MP5 etc.) or computer that connect network, have the characteristics of applied range.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 shows the connection diagram of television set institute application network;
Fig. 2 shows the schematic diagram that the chip in the television set is decoded to data flow;
Fig. 3 shows the flow chart of method embodiment;
Fig. 4 shows and turns back to the flow chart of enabling the preceding state of MHEG5 captions among the embodiment;
Fig. 5 shows the structural representation of device embodiment.
Embodiment
For clearly demonstrating technical scheme of the present invention, provide preferably embodiment below and be described with reference to the accompanying drawings.Referring to Fig. 2, Fig. 2 shows the schematic diagram that the chip in the television set is decoded to data flow, mixed-media network modules mixed-media in the television set receives the data flow from the Internet, comprise video data, voice data and control data etc., caption information also can be embedded in the data flow, data flow is decoded by decoding chip, parses caption information and shows by television screen.Method of the present invention can be embedded in the decoding chip by program, and the control decoding chip parses the caption information that the user selects, and integrated control chip on the circuit board of television set is realized this function separately.
The process of switch prompting information of the present invention can be referring to Fig. 3, Fig. 3 is the flow chart of embodiment, below in conjunction with Fig. 2, Fig. 3 illustrates the process of television set switch prompting information, after decoding chip is received the control signal that the user sends, at first judge this signal, different control signals has different effects to switch prompting information, television set is after unlatching, generally can give tacit consent to unlatching certain caption function wherein, or by user's unlatching certain captions wherein, needing the identification user to send control signal is to open or close certain caption function, to realize follow-up operating procedure, the control signal of sending the MHEG5 captions with the user is an example below, describes, and decoding chip is handled this control signal and be may further comprise the steps:
S301: the control signal that decoding chip identification receives is unlatching or closes the MHEG5 caption signal.
Decoding chip is discerned by the control signal that the button on remote controller or the television set sends the user, is the signal of opening the MHEG5 captions if identify, and then carries out S302a, is the signal of closing the MHEG5 captions if identify, and then carries out S302b.
S302a: decoding chip judges whether the subtitle captions are opened, if, then carry out S303, if not, then carry out S304.
Owing to can only show a kind of captions on the display screen, when existing multiple captions can be resolved to come out in the video data stream, need judge whether current subtitle captions are unlocked, to avoid occurring a plurality of captions confusion taking place, if open, then carries out S303, if close, then carry out S304.
S303: decoding chip is closed the subtitle caption function.
S304: decoding chip is provided with flag bit, and starts its inner timer.
There are not captions on the current screen, has multiple reason, closed caption function as the user, or the subtitle captions have been opened, just because the user has opened the MHEG5 caption function again, and cause the subtitle caption function to be forced to close, or the subtitle captions have been opened, be not have a variety of causes such as captions in the current data flow, for different situations, decoding chip is provided with corresponding marker bit respectively, and the state before the MHEG5 captions opened in record, be convenient to follow-up state and return, start its inner timer simultaneously.
S305: decoding chip judges whether to send the prompting of confirming MHEG5, if, then carry out S306, if not, then carry out S307.
Decoding chip can send the prompting that the MHEG5 captions are opened in affirmation from the trend user after flag bit is set, starts timer.If sent the prompting of confirming MHEG5, then carry out S306, if do not send this prompting, then carry out S307.
S306: decoding chip replacement timer also picks up counting.
S307: decoding chip judges whether the user sends the control signal that starts MHEG5 once more, if, then carry out S304, if not, then carry out S310.
Owing to do not send the prompting of confirming MHEG5 to the user, decoding chip continues to wait for that the user sends the control signal that starts MHEG5 once more, if in the time of timer, receive the control signal of the startup MHEG5 that the user sends once more, then carry out S304, flag bit is set once more, start timer, if do not receive the control signal that starts MHEG5, then carry out S310.
S308: decoding chip judges whether the user has sent the control signal of confirming to open MHEG5.
If, then carry out S309, if not, then carry out S310.
S309: the caption function of opening MHEG5.
S310: decoding chip constantly judges regularly whether finish, if, then carry out S311, if not, then carry out S307.
If the time of the timer that is provided with at S304 finishes, illustrate that then the user does not send the control signal of opening the MHEG5 captions, if the timer that is provided with at S306, then explanation does not receive the affirmation signal of the unlatching MHEG5 captions that the user sends, and all can carry out S311 this moment.If timer does not finish, then carry out S307, continue wait and judge whether the user sends the control signal that starts MHEG5 once more.
S311: regularly finish the back decoding chip and turn back to the preceding state of MHEG5 captions of enabling.
After regularly finishing, decoding chip returns the process of enabling before the MHEG5 captions and can may further comprise the steps referring to Fig. 4:
S41: decoding chip receives the timer end signal.
S42: decoding chip judges whether MHEG5 caption function captions close; If, then carry out S43, if not, then there is not operation.Defining the processing of not having operation is after avoiding the user to open the MHEG5 caption function, and before the MHEG5 caption function did not occur, the user missed again by closing the MHEG5 caption function, at this moment, because in the time of timer, so do not carry out any operation.In this way, can be the user and bring more hommization impression.
S43: decoding chip judgement symbol position whether be provided with close the flag bit of subtitle captions because of triggering the MHEG5 captions; If then carry out S44, if not, then there is not operation.
For the flag bit that is provided with at step S304, need to judge whether the flag bit that was provided with at that time is to close the flag bit of subtitle captions because of triggering the MHEG5 captions this moment.For other flag bit, be provided with the function of closing captions as before the user, then do not carry out any processing, the result that this moment, the user saw does not promptly have captions with identical in the past.
Certainly, can also discern other flag bit, before unlatching MHEG5 captions, the user has opened the subtitle captions, does not just have captions at that time, at this moment, also can continue to carry out S44.
S44: decoding chip is opened the subtitles caption function.
Because the user opens before the MHEG5 caption function, has opened the subtitle caption function, therefore, after the user has closed the MHEG5 caption function, need open the subtitle caption function again for the user.
Above-mentioned process is after the user sends unlatching MHEG5 caption signal, the step that decoding chip is performed; When the user send close the MHEG5 caption signal after, the step S302b that decoding chip can be carried out, S310;
S302b: start timer, pick up counting;
S310: decoding chip constantly judges regularly whether finish, if, then carry out S311, turn back to the preceding state of startup MHEG5 captions, if not, then carry out S307, judge whether the user sends the control signal that starts MHEG5 once more.
In above-mentioned step, the MHFG5 captions are also referred to as first information, and the subtitle captions are also referred to as second information.In the process of implementation, also two caption informations can be exchanged, as with the subtitle captions as first information, the MHFG5 captions as second information, can not influenced execution in step of the present invention, still can be so that user's selection captions and switching.Certainly the user also can set in advance and not show caption function, or wherein a kind of caption function of acquiescence demonstration, and then in handoff procedure, the user can be switched back the state that does not have captions, or switches to the opening of the sort of captions that set in advance.
Method of the present invention can automatically switch between captions by carrying out above-mentioned step, and the user only need be by the selected caption function of pressing switch to open of remote controller or television set, and then television set can automatically switch to selected caption function; If close current caption function, then television set can switch to last caption function or the caption function that the user set in advance.Have advantages of simple operation, with loaded down with trivial details operation simplification, user-friendly, improved user experience.In addition, by the setting of timer, avoided causing the possibility of misoperation or operate miss because of the frequent operation caption function.In addition, method of the present invention also is not limited only to use in the television set that connects cable TV network, can also be the network multimedia playback equipments such as the mobile phone with multi-media player function, handheld video player (as MP4, MP5 etc.) or computer that connect network.
Describe method flow of the present invention above in detail, for method of the present invention, can adopt the device form of various structures to be integrated in the video equipment, provide below and preferably install embodiment, the apparatus structure schematic diagram referring to shown in Figure 5 comprises:
Judging unit 501, the operating function that is used to judge the control signal that receives are the signals of opening or closing first information;
Flag bit unit 502, being used for judging described control signal when described judging unit 501 is to open the signal of first information, and the flag bit of current information state is set;
Switch unit 503 is used for after described flag bit unit 502 is provided with the flag bit of current information state described first information being switched to opening;
Closing unit 504, being used for judging described control signal when described judging unit 501 is the signal of closing described first information, closes described first information;
Return unit 505, be used for after described closing unit 504 is closed described first cue, turning back to corresponding state according to predefined described flag bit.
Preferably, also comprise:
Whether detecting unit 506 is used for detecting second information and opening after described judging unit 501 is judged the signal that described control signal is unlatching first information, if open, then carries out the operation of closing described second information;
Regularly recovery unit 507 is used for after described tag unit 502 is provided with sign, sends to the user and confirms prompting, does not receive user's affirmation prompting in the given time, then turns back to corresponding state according to predefined described flag bit.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, carry out by calculation element thereby they can be stored in the storage device, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the method for a switching prompt information in video equipment is characterized in that, comprising:
Judge the operating function of the control signal that receives;
If described control signal is to open the signal of first information, the flag bit of current information state then is set, switch to the opening of described first information;
If described control signal is the signal of closing described first information, then close described first information, turn back to corresponding state according to the flag bit of setting before.
2. method according to claim 1 is characterized in that, before the described flag bit that current information state is set, also comprises:
Judge whether the state of second information is opened; If open, then close described second information, if close, then continue to carry out the step of the follow-up flag bit that current information state is set.
3. method according to claim 2 is characterized in that, the described step that the flag bit of current information state is set comprises:
Whether the state of judging described second information is opening or closed condition and judges that whether the state of described first information and described second information is closed condition, is provided with corresponding marker bit according to the state of judging.
4. method according to claim 2 is characterized in that, after the described flag bit that current information state is set, before the described opening that switches to first information, also comprises:
After the user sends the described opening prompting that switches to first information of affirmation, receives user's affirmation prompting, carry out the described step that switches to the opening of first information.
5. method according to claim 4 is characterized in that, in the time of the described flag bit that current information state is set, also comprises:
Judge the affirmation prompting that whether receives described user in the scheduled time;
If receive described user's affirmation prompting, carry out the described step that switches to the opening of first information, if do not receive described user's affirmation prompting, then carry out the described step that turns back to corresponding state according to predefined flag bit.
6. method according to claim 4 is characterized in that, the described step that turns back to corresponding state according to predefined flag bit comprises:
Turn back to the opening of second information or closed condition or described first information and described second information according to described flag bit and be closing state.
7. method according to claim 2, it is characterized in that described first information is subhead captions subtitle, described second information is the captions MHFG5 of hypermedia expert group, or described first information is MHFG5, and described second information is subtitle.
8. according to each described method of claim 1 to 7, it is characterized in that described video equipment is for connecting television set, the mobile phone with multi-media player function, computer or the handheld video player of network.
9. the device of a switching prompt information in video equipment is characterized in that, comprising:
Judging unit, the operating function that is used to judge the control signal that receives are the signals of opening or closing first information;
The flag bit unit, being used for when described judgment unit judges goes out described control signal is to open the signal of first information, and the flag bit of current information state is set;
Switch unit is used for after described flag bit unit is provided with the flag bit of current information state described first information being switched to opening;
Closing unit, being used for when described judgment unit judges goes out described control signal is the signal of closing described first information, closes described first information;
Return the unit, be used for after described closing unit is closed described first cue, turning back to corresponding state according to predefined described flag bit.
10. device according to claim 9 is characterized in that, also comprises:
Whether detecting unit is used for detecting second information and opening after described judgment unit judges goes out the signal that described control signal is unlatching first information, if open, then carries out the operation of closing described second information;
Regularly recovery unit is used for after described tag unit is provided with sign, sends to the user and confirms prompting, does not receive user's affirmation prompting in the given time, then turns back to corresponding state according to predefined described flag bit.
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| CN2010101402263A CN101783908B (en) | 2010-03-24 | 2010-03-24 | Method and device for switching prompt information in video equipment |
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| CN2010101402263A CN101783908B (en) | 2010-03-24 | 2010-03-24 | Method and device for switching prompt information in video equipment |
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| CN101783908A true CN101783908A (en) | 2010-07-21 |
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| CN101783908B (en) | 2012-07-04 |
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