CN101552905A - Information switching driving device, information switching device, remote control device and set-top box - Google Patents
Information switching driving device, information switching device, remote control device and set-top box Download PDFInfo
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- CN101552905A CN101552905A CNA200810103432XA CN200810103432A CN101552905A CN 101552905 A CN101552905 A CN 101552905A CN A200810103432X A CNA200810103432X A CN A200810103432XA CN 200810103432 A CN200810103432 A CN 200810103432A CN 101552905 A CN101552905 A CN 101552905A
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Abstract
The invention provides an information switching driving device, an information switching device, a remote control device and a set-top box. The information switching driving device comprises a driving module for receiving operation information of a user and generating switching driving information; and an indicating module for generating an indicating pulse of information switching according to the switching driving information and sending the indicating pulse. The information switching device comprises a parsing module for receiving the indicating pulse of information switching and parsing the switching driving information according to the indicating pulse; and a switching module for selecting information to be activated in stream information acted by the driving module which corresponds to the identified information according to user operation event information for switching. The remote control device comprises the information switching driving device, and the set-top box comprises the information switching device. The user in the invention switches dubbing voice or subtitles of a playing video file by directly pressing a switching function button of dubbing voice or subtitles, thereby improving the switching efficiency.
Description
Technical field
The present invention relates to the IPTV technical field, relate in particular to a kind of information switching driving device, information switching device, remote control equipment and set-top box.
Background technology
Along with the continuous development of audio frequency and video technology, a video files usually is furnished with multitone rail and multiword curtain, to satisfy dub the different demands with sychronization captions of different user to films and television programs better.The multitone rail is digital versatile disc (Digital Versatile Disc; Hereinafter to be referred as: valuable feature DVD), can provide nearly 8 multichannel track in the DVD film, provide multilingual with this characteristic and dub; This characteristic can also be used to providing the track of DTS, different-formats such as Dolby Digital, PCM in addition.The multitone rail can also derive some special application, for example comments on track and the track of dubbing in background music.DVD also can provide multiple captions simultaneously.The captions that are stored on the DVD are not text, but graphic file has greater flexibility like this, the problem on the compatibility can not occur yet.The DVD of most films can provide more than one captions selective.
IPTV (Internet Protocol Television; Hereinafter to be referred as: IPTV) video on demand content in the system is copied to the Edge Server that is positioned at network edge by content distributing network (CDN), decodes to set-top box by the flow transmission technology transfer then, realizes the function of playing while downloading.The flow transmission technology that current IP TV adopts is mainly (the Internet StreamingMedia Alliance of internet stream media alliance; Be called for short: ISMA) mode and MPEG-2 TS over IP mode.The ISMA mode is with separately transmission of video-voice frequency flow, and is more flexible for the support of multitone rail and multiword curtain, do not need to take the extra bandwidth resource.MPEG-2 TS over IP mode is multiplexed into single flow transmission with video-voice frequency flow, for the support of multitone rail and multiword curtain, needs the unified encapsulation of all stream informations, and MPEG-2 TS over IP mode and is used more ripe to encoding and decoding standard without limits.
To be used to by the way realize that the stream information of multitone rail and multiword curtain and the video information of transmission mail to user terminal together, after ustomer premises access equipment such as set-top box etc. receives this information, according to default playback of audio information or demonstration captions.The switching of existing track or captions is that the user enters the setting menu by the control button of pressing on the set-top box, enters choice menus by navigation key again, selects required track or captions.From the above, when the user need be switched track or captions, need compare the complicated operations flow process, process is loaded down with trivial details, is not easy to the user and directly and apace switches, and switching efficiency is low.
Summary of the invention
The invention provides a kind of information switching driving device, information switching device, remote control equipment and set-top box, the defective of complex operation when carrying out track or captions switching in order to playing media file in the solution prior art realizes that the user directly and apace carries out the purpose that track or captions switch.
The invention provides a kind of information switching driving device, comprising:
Driver module is used to receive user's operation information, and generates the switching activation bit, and described switching activation bit comprises the identification information of user operation case information and described driver module;
Indicating module is used for the marker pulse according to described switching activation bit generation information switching, and sends.
The present invention also provides a kind of information switching device, comprising:
Parsing module is used for the marker pulse that reception information is switched, and parses the switching activation bit according to described marker pulse, and described switching activation bit comprises the identification information of user operation case information and driver module;
Handover module is used for according to described user operation case information, selects information to be activated to switch in the stream information that driver module acted on of described identification information correspondence.
The present invention provides a kind of remote control equipment again, comprises information switching driving device, and described information switching driving device comprises:
Driver module is used to receive user's operation information, and generates the switching activation bit, and described switching activation bit comprises the identification information of user operation case information and described driver module;
Indicating module is used for the marker pulse according to described switching activation bit generation information switching, and sends.
The present invention provides a kind of set-top box again, comprises information switching device, and described information switching device comprises:
Parsing module is used for the marker pulse that reception information is switched, and parses the switching activation bit according to described marker pulse, and described switching activation bit comprises the identification information of user operation case information and driver module;
Handover module is used for according to described user operation case information, selects information to be activated to switch in the stream information that driver module acted on of described identification information correspondence.
Information switching driving device provided by the invention, information switching device, remote control equipment and set-top box, by directly pressing the handoff functionality button of track or captions, to the video file play dub or captions switch, changed when carrying out track or captions switching in the prior art, the user need carry out repeatedly the troublesome operation of button, realize the direct switching of track or captions, improved switching efficiency.
Description of drawings
Fig. 1 is an information switching driving device example structure schematic diagram of the present invention;
Fig. 2 is the example structure schematic diagram of information switching device of the present invention.
Embodiment
Further specify the technical scheme of the embodiment of the invention below in conjunction with the drawings and specific embodiments.
Fig. 1 is an information switching driving device example structure schematic diagram of the present invention, as shown in Figure 1, this information switching driving device comprises driver module 11 and indicating module 12, driver module 11 is used to receive user's operation information, and generating the switching activation bit, described switching activation bit comprises the identification information of user operation case information and driver module 11; Indicating module 12 is used for the marker pulse according to described switching activation bit generation information switching, and sends.
When the user will be to the relevant information of the audio-video frequency media file of the broadcast among the IPTV, for example track or captions switch, satisfy dub the real-time requirement with sychronization captions of user to the media file play, for example track is switched to English from Chinese, captions also switch to English etc. from Chinese, the user will press or touch operation the button of corresponding function, driver module 11 receives user's operation information, be pressing or the information of touch operation key of user, operation according to the user generates corresponding user operation case information, and the identification information of the module of the button correspondence that this information of same user is operated together sends to indicating module 12, behind the switching activation bit of indicating module 12 according to the identification information that comprises user operation case information and driver module 11 that receives, the marker pulse that generation information is switched, and this pulse information sent to the terminal that the user is responsible for playing media file.Particularly, driver module 11 comprises that message pick-up submodule 111 and information generate submodule 112, and wherein message pick-up submodule 111 is used for generating corresponding user operation case information according to user's operation; Information generates submodule 112 and is used to generate described switching activation bit.Driver module 11 is used to receive user's operation information, and the function of generation switching activation bit is finished by message pick-up submodule 111 and information generation submodule 112 respectively.
The switching that driver module 11 specifically can be finished track and/or caption information drives function, correspondingly, if then it switches driver module for track in the switching that driver module 11 is finished track information separately, be used to receive the user key-press operation information, and the switching activation bit of generation track; If then it switches driver module for captions in the switching that driver module 11 is finished captions separately, be used to receive the user key-press operation information, and the switching activation bit of generation captions; If the switching that driver module 11 is finished two kinds of information simultaneously then this driver module should comprise that track switches driver module and captions switch two driver modules of driver module.The driven element module that other function can also be provided in the driver module that provides in the present embodiment certainly.
The information switching driving device that present embodiment provides, the user just can directly carry out the switching of playback of media files information by disposable operation, for example switching of track or captions, and operating procedure is simple and convenient, reduce the time of handover operation, improve the information switching efficiency.
Fig. 2 is the example structure schematic diagram of information switching device of the present invention, as shown in Figure 2, this information switching device comprises parsing module 21 and handover module 22, wherein parsing module 21 is used for the marker pulse that reception information is switched, and parsing the switching activation bit according to described marker pulse, described switching activation bit comprises the identification information of user operation case information and driver module; Handover module 22 is used for according to described user operation case information, selects information to be activated to switch in the stream information that driver module acted on of described identification information correspondence.
After the marker pulse that the information switching driving device information of sending is switched, parsing module 21 receives this marker pulse in the information switching device, and parsing the switching activation bit according to this pulse signal, it comprises the identification information of user operation case information and driver module; Handover module 22 knows that user's operation event information is as learning that the user has pressed function key and carried out handoff request, and learn that from the identification information of driver module the user asks certain information is switched, promptly be to select track to switch or the switching of selection captions, in the media file stream information of playing, find corresponding information then, and in this information, select the current information to be activated such as the next one that are under the broadcast state; For example, handover module 22 knows that the user will switch track information, then in stream information, find the information flow of track correspondence, and in this information flow, select the next track information of currently used track information to switch, for example current dubbing is Chinese, its next one information of dubbing in the information encoding stream is English, and after then switching, dubbing of the media file of broadcast is English.
Further, handover module 22 comprises chooser module 221 and switching submodule 222, and wherein chooser module 221 is used for selecting information to be activated at the stream information that driver module acted on of described identification information correspondence; Switching submodule 222 is used to use selected information to be activated and replaces corresponding current information.Particularly, chooser module 221 is responsible for selecting to meet the information of switching requirement in the information flow of correspondence according to handoff request, and switching submodule 222 is responsible for finishing the function of switching.
Remote control equipment embodiment of the present invention is integrated into above-mentioned information switching driving device on this remote control equipment, remote control equipment can be the remote controller that is used for the remote control set-top box particularly, information switching driving device is assembled in the remote controller, and the user can carry out the switching of playback of media files information by the direct control remote controller.Driver module in the information switching driving device can be arranged to the one or more buttons on the remote controller control panel, if driver module is used for separately information such as track or captions are switched, then button is single function button, if driver module can switch information such as track and captions, then button is arranged to a plurality of buttons according to the handoff functionality correspondence.The identification information of button is the button code value, and the button code value is the signless integer of a 16bit, and is corresponding one by one with button, is the unique identification of this button.Information switching device is exactly to know that according to this identification information which information the user will switch.
Comprise above-mentioned information switching device among the set-top box embodiment provided by the invention, parsing module function wherein is equivalent to the remote controller driver of set-top box, can judge the user to which function key operates, and the identification information of the user operation case that parsed and this button sent to handover module, handover module carries out correspondingly information and switches.The handover module function is equivalent to the middleware of set-top box, and the event handling function of its storage inside is handled key-press event, calls corresponding switching function track or caption information are switched.
The track switching function is " int STB_media_select_audio (int handle, UInt16 pid) ".This function is only effective to transport stream (TS stream).When comprising a plurality of audio stream in the TS stream, call the audio stream that this function switches current broadcast.Need pass through parameter " pid " when calling this function and specify packet identifier (the Packet Identifier of new audio stream; Be called for short: PID), PID is used for identifying certain audio stream or caption stream.If the value of " pid " is " 0 ", then expression switches to the next audio stream of current audio stream, if current audio stream is last, then switches to first audio stream.Input parameter " handle " is the handle of media player, and " pid " is " PID " of new audio stream, if this parameter is " 0 ", the expression circulation switches to next audio stream.This function no-output transmission; And if success, then function returns " STB_OK "; If failure, then function returns " STB_ERROR ".
Captions switching function prototype is " int STB_media_select_title (int handle, UInt 16 pid) ".This function only to TS stream effectively.When comprising a plurality of caption stream in the TS stream, call the caption stream that this function switches current broadcast.Need pass through parameter " pid " when calling this function and specify " PID " of new caption stream., really the value of " pid " is " 0 ", expression switches to the next caption stream of current caption stream, if current caption stream is last, then switches to first caption stream.Input parameter " handle " is the handle of media player; " pid " is new caption stream " PID ", if this parameter is " 0 ", then the expression circulation switches to next caption stream; Function no-output parameter; If success, then function returns " STB_OK ", if failure, then function returns " STB_ERROR ".
Remote control equipment that the foregoing description provides and set-top box cooperate finishes the information handoff functionality, and when the user pressed the track switching key, track switched to the next track of current track in order, if current track is last, then switched to first track; When the user pressed the captions switching key, captions switched to the next captions of current captions in order, if current captions are last, then switched to first captions.Each button of remote controller has two states: down state and relieving state, and when the user pressed track switching key or captions switching key, remote controller sent the marker pulse that button is pressed to set-top box; After the remote controller driver of set-top box receives the information of key-press status change, what judge the triggering key-press event is track switching key or captions switching key, then key-press event and button code value are sent to the set-top box middleware, middleware carries out information and switches.
Remote control equipment that the embodiment of the invention provides and set-top box when the user watches the film of multitone rail and multiword curtain on IPTV, are carried out the switching of the track or the captions of different language by the handoff functionality button of pressing on the remote control equipment, and be easy to operate, the switching efficiency height.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (12)
1, a kind of information switching driving device is characterized in that comprising:
Driver module is used to receive user's operation information, and generates the switching activation bit, and described switching activation bit comprises the identification information of user operation case information and described driver module;
Indicating module is used for the marker pulse according to described switching activation bit generation information switching, and sends.
2, information switching driving device according to claim 1 is characterized in that described driver module is specially:
Track switches driver module, is used to receive the user key-press operation information, and generates the switching activation bit of track;
And/or captions switching driver module, be used to receive the user key-press operation information, and generate the switching activation bit of captions.
3, information switching driving device according to claim 2 is characterized in that described track switches driver module and comprises:
The message pick-up submodule is used for generating corresponding user operation case information according to user's operation;
Information generates submodule, is used to generate the switching activation bit of described track.
4, information switching driving device according to claim 2 is characterized in that described captions switch driver module and comprise:
The message pick-up submodule is used for generating corresponding user operation case information according to user's operation;
Information generates submodule, is used to generate the switching activation bit of described captions.
5, a kind of information switching device is characterized in that comprising:
Parsing module is used for the marker pulse that reception information is switched, and parses the switching activation bit according to described marker pulse, and described switching activation bit comprises the identification information of user operation case information and driver module;
Handover module is used for according to described user operation case information, selects information to be activated to switch in the stream information that driver module acted on of described identification information correspondence.
6, information switching device according to claim 5 is characterized in that described handover module comprises:
The chooser module is used for selecting information to be activated at the stream information that driver module acted on of described identification information correspondence;
Switching submodule is used to use selected information to be activated and replaces current information.
7, a kind of remote control equipment is characterized in that comprising information switching driving device, and described information switching driving device comprises:
Driver module is used to receive user's operation information, and generates the switching activation bit, and described switching activation bit comprises the identification information of user operation case information and described driver module;
Indicating module is used for the marker pulse according to described switching activation bit generation information switching, and sends.
8, remote control equipment according to claim 7 is characterized in that described driver module is specially:
Track switches driver module, is used to receive the user key-press operation information, and generates the switching activation bit of track;
And/or captions switching driver module, be used to receive the user key-press operation information, and generate the switching activation bit of captions.
9, remote control equipment according to claim 8 is characterized in that described track switches driver module and comprises:
The message pick-up submodule is used for generating corresponding user operation case information according to user's operation;
Information generates submodule, is used to generate the switching activation bit of described track.
10, remote control equipment according to claim 8 is characterized in that described captions switch driver module and comprise:
The message pick-up submodule is used for generating corresponding user operation case information according to user's operation;
Information generates submodule, is used to generate the switching activation bit of described captions.
11, a kind of set-top box is characterized in that comprising information switching device, and described information switching device comprises:
Parsing module is used for the marker pulse that reception information is switched, and parses the switching activation bit according to described marker pulse, and described switching activation bit comprises the identification information of user operation case information and driver module;
Handover module is used for according to described user operation case information, selects information to be activated to switch in the stream information that driver module acted on of described identification information correspondence.
12, set-top box according to claim 11 is characterized in that described handover module comprises:
The chooser module is used for selecting information to be activated at the stream information that driver module acted on of described identification information correspondence;
Switching submodule is used to use selected information to be activated and replaces current information.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810103432XA CN101552905A (en) | 2008-04-03 | 2008-04-03 | Information switching driving device, information switching device, remote control device and set-top box |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA200810103432XA CN101552905A (en) | 2008-04-03 | 2008-04-03 | Information switching driving device, information switching device, remote control device and set-top box |
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| CN101552905A true CN101552905A (en) | 2009-10-07 |
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| CNA200810103432XA Pending CN101552905A (en) | 2008-04-03 | 2008-04-03 | Information switching driving device, information switching device, remote control device and set-top box |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102014256A (en) * | 2010-12-24 | 2011-04-13 | 深圳Tcl新技术有限公司 | Method for realizing intelligent audio or subtitle switch in case of broadcasting audio/video file |
| CN102347042A (en) * | 2010-07-28 | 2012-02-08 | Tcl集团股份有限公司 | Audio track switching method, system thereof and audio and video file playing device |
| CN103093776A (en) * | 2011-11-04 | 2013-05-08 | 腾讯科技（深圳）有限公司 | Method and system of multi-audio-track content play in network seeing and hearing |
| CN106471574A (en) * | 2014-06-30 | 2017-03-01 | 索尼公司 | Information processor and information processing method |
-
2008
- 2008-04-03 CN CNA200810103432XA patent/CN101552905A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102347042A (en) * | 2010-07-28 | 2012-02-08 | Tcl集团股份有限公司 | Audio track switching method, system thereof and audio and video file playing device |
| CN102347042B (en) * | 2010-07-28 | 2014-05-07 | Tcl集团股份有限公司 | Audio track switching method, system thereof and audio and video file playing device |
| CN102014256A (en) * | 2010-12-24 | 2011-04-13 | 深圳Tcl新技术有限公司 | Method for realizing intelligent audio or subtitle switch in case of broadcasting audio/video file |
| CN103093776A (en) * | 2011-11-04 | 2013-05-08 | 腾讯科技（深圳）有限公司 | Method and system of multi-audio-track content play in network seeing and hearing |
| CN103093776B (en) * | 2011-11-04 | 2016-01-20 | 腾讯科技（深圳）有限公司 | Multi-audio-track content player method and system in network audiovisual |
| CN106471574A (en) * | 2014-06-30 | 2017-03-01 | 索尼公司 | Information processor and information processing method |
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Open date: 20091007 |