CN102075800A - File play control method and system based on interactive personnel television set top box - Google Patents
File play control method and system based on interactive personnel television set top box Download PDFInfo
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Abstract
The invention discloses a file play control method and system based on an interactive personnel television (IPTV) set top box, which are used for realizing the play control of files such as graphics in an IPTV system. The method comprises the following steps that an extended file play control interface of a browser is called through WEB pages, initial control parameters are configured and the initial control parameters are transmitted to the browser; and the browser analyzes the received initial control parameters and conducts file play control according to analyzed data. By extending a JavaScript (JS) interface of the browser which can dynamically change pages and by calling the extended JS interface of the browser through the WEB pages, a graphic effect and an audio-video play function which can be flexibly controlled by a user are realized.
Description
Technical field
The present invention relates to network communications technology field, specifically, relate to a kind of based on interaction personal TV set-top box file control method for playing back and system.
Background technology
IPTV(Interactive Personal Television, interaction personal TV) be a kind of be main terminal equipment with TV, set-top box, utilize broadband cabled mechanics of communication, the data value-added service of interactive television and multimedia service is provided to the domestic consumer.Along with developing rapidly of IPTV service application, and the increasing sharply of domestic consumer amount, the user requires more and more higher to the aesthetic property and the flexibility of picture playing.
At present, family's photograph album preview in the IPTV business, the preview of picture placard, the Display Realization of floating menu is to utilize W3C(World Wide Web Consortium during video playback, World Wide Web Consortium) HTML(Hyper Text Mark-up Language in the standard, HTML) IMG(pictorial symbolization, in order to insert figure and to set graphic attribute) label, by the SRC attribute of IMG label is set, download demonstration by browser resolves, if exist plurality of pictures to show by turns, then increase a timer, at interval certain time length is revised the SRC(Source of IMG label, source) attribute reaches picture and rotates effect.This implementation method depends on the WEB(network) timer setting in the page, it can't realize that special effect of picture shows, and when running into big resolution picture, needing to continue certain stand-by period download shows, may cause picture on the interface can only show the effect of a part like this, lack aesthetic property and flexibility.
Special effect of picture shows it is the Flash software that utilizes Adobe company in traditional PC system, and plurality of pictures is organized into the picture of a frame one frame, and dynamic play shows.This kind implementation method is to adopt the upper layer software (applications) mode to realize, processor performance is had relatively high expectations, and realizes that cost is bigger.There is great difficulty in this to the set-top box exploitation that is called as " low terminal ", in case through the Flash software processes, picture can only be play demonstration in a kind of fixing mode, and the Flash software engineering has certain technical threshold simultaneously, to public users, do not have exercisable flexibility.
In addition, also have following problem in the prior art: present set-top box is more single for the playing function of graphic file, can't control the broadcast of file according to user's needs.
Summary of the invention
The technical problem that the present invention solves provides a kind of based on interaction personal TV set-top box file control method for playing back and system, realizes the Play Control of files such as figure in the IPTV system.
For solving the problems of the technologies described above, the invention provides a kind ofly based on interaction personal TV set-top box file control method for playing back, described method comprises:
File Play Control interface by network (WEB) page invocation browser extension disposes initial Control Parameter, and described initial Control Parameter is sent to browser;
Described browser is resolved the described initial Control Parameter that receives, and carries out the Play Control of file according to the data after resolving.
Further, described file comprises: figure, audio or video file.
Further, when described file was graphic file, described initial Control Parameter comprised a kind of or its combination in any in the following parameter:
Figure special effect play mode;
The graphical display step-length;
The figure delay time;
The graphical display parameter.
Further, described graphical display parameter further comprises:
The X-axis coordinate of the original position of graphical display, the Y-axis coordinate of graphical display original position, the width of graphic display position and the height of graphic display position.
Further, described method also comprises:
In the playing process of described figure, set-top box receives the request command that user input device sends, with the described request command conversion is that Control Parameter sends to the WEB page, and the WEB page is sent to described browser by calling described file Play Control interface with described Control Parameter;
Described browser is resolved the described Control Parameter that receives, and carries out the Play Control of file according to the data after resolving.
Further, described browser carries out the Play Control of file according to the data after resolving, and specifically comprises:
Data after resolving are sent to bottom hardware, by described bottom hardware the data that receive are carried out the special efficacy algorithm process after, the data after handling are presented on the terminal presentation facility.
Further, described method also comprises:
Described file Play Control interface is the JS interface.
It is a kind of based on interaction personal TV set-top box file broadcasting control system that the present invention also provides, and described system comprises:
The WEB page is used to call the file Play Control interface of browser extension, disposes initial Control Parameter;
File Play Control interface in the browser after being used to be called, is sent to the file broadcast control device with described initial Control Parameter;
The file broadcast control device is used for the described initial Control Parameter that receives is resolved, and carries out the Play Control of file according to the data after resolving.
Further, described system also comprises the command conversion module in the set-top box, is used for the playing process at figure, receives the request command that user input device sends, and is that Control Parameter sends to the WEB page with the described request command conversion;
The described WEB page also is used for, receive described Control Parameter after, by calling described file Play Control interface, described Control Parameter is sent to described file broadcast control device;
Described file playing device also is used for, and the described Control Parameter that receives is resolved, and carry out the Play Control of file according to the data after resolving.
Further, described file is a graphic file, and described file Play Control interface is the JS interface;
Described file broadcast control device further comprises:
The JavaScript parsing module after being used for the initial Control Parameter that receives or Control Parameter resolved, sends to figure special efficacy control module;
Figure special efficacy control module after being used for the described initial Control Parameter that will receive or Control Parameter and being converted to binary data, sends to the bottom hardware accelerating module;
The bottom hardware accelerating module be used for the binary data that receives is carried out the special efficacy algorithm process, and the data after will handling sends to the image special effect display module;
Figure special efficacy display module, the data that are used for receiving are presented at terminal presentation facility.
Compared with prior art, the present invention is by expanding a kind of JS interface that can dynamically change the page of browser, utilize graphics engine, bottom hardware technology, reach figure special efficacy and the audio frequency and video that the user can control flexibly by the JS interface of WEB page invocation browser extension and play.With the figure Play Control, compare with the special effect of picture player method of conventional P C machine system with existing set-top box: the present invention adopts bottom software to realize, combined with hardware quickens to realize the special effect of picture processing, has reduced the realization cost; The special effect of picture Play Control has flexible control characteristic, change the special effect of picture broadcast mode if desired, do not need updating terminal device, do not need the maintenance of the WEB server end WEB page to revise yet, directly can reach special effect of picture Play Control purpose by user's operation input apparatus.
Description of drawings
Accompanying drawing described herein 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 is the composition schematic diagram of file broadcasting control system in the IPTV system of the embodiment of the invention;
Fig. 2 is the process of analysis figure of the request command that sends of the user input device of the embodiment of the invention;
Fig. 3 is the control flow chart of playing from the user input device to the special effect of picture of the embodiment of the invention.
Embodiment
Basic thought of the present invention is, by expansion browser JS(JavaScript, java script) interface, by the JS interface of WEB page invocation browser extension, utilize the bottom hardware technology to realize the multiple Play Control of file simultaneously.
Wherein, be example with graphic file (following or be called picture), interface parameters has determined special effect of picture broadcast mode, play position, broadcast step-length, has stopped duration etc.; The WEB page is by calling the JS interface of browser extension, parameter is handed down to browser, after will resolving, browser JS parsing module carries out analyzing and processing according to each parameter, and give figure special efficacy control module, the data that figure special efficacy control module will need to handle are passed to bottom hardware, finish the special efficacy data processing by bottom hardware, finish special effect of picture by image display module at last and show, be presented in terminal presentation facility.
In addition, when picture was in the special effect play state, the user can also send request command to set-top box by operation input apparatus, came the special effect play mode according to the needs control picture of oneself.
For the ease of setting forth the present invention, describe in further detail below with reference to the enforcement of drawings and the specific embodiments to technical solution of the present invention.Need to prove that under the situation of not conflicting, embodiment among the application and the feature among the embodiment be combination in any mutually.
Fig. 1 shows each composition module based on interaction personal TV set-top box picture playing control system of the embodiment of the invention.As shown in Figure 1, in the present embodiment, this system mainly comprises: the JS interface of the WEB page, browser extension, browser JavaScript parsing module, figure special efficacy control module, bottom hardware accelerating module, figure special efficacy display module, and terminal presentation facility.Wherein:
The WEB page is used to call the file Play Control interface of browser extension, disposes initial Control Parameter;
File Play Control interface in the browser after being used to be called, is sent to the file broadcast control device with described initial Control Parameter;
The file broadcast control device is used for the described initial Control Parameter that receives is resolved, and carries out the Play Control of file according to the data after resolving.
Further, described system also comprises the command conversion module in the set-top box, is used for the playing process at figure, receives the request command that user input device sends, and is that Control Parameter sends to the WEB page with the described request command conversion;
The described WEB page also is used for, receive described Control Parameter after, by calling described file Play Control interface, described Control Parameter is sent to described file broadcast control device;
Described file playing device also is used for, and the described Control Parameter that receives is resolved, and carry out the Play Control of file according to the data after resolving.
Further, described file is a graphic file, and described file Play Control interface is the JS interface;
Described file broadcast control device further comprises:
The JavaScript parsing module after being used for the initial Control Parameter that receives or Control Parameter resolved, sends to figure special efficacy control module;
Figure special efficacy control module after being used for the described initial Control Parameter that will receive or Control Parameter and being converted to binary data, sends to the bottom hardware accelerating module;
The bottom hardware accelerating module be used for the binary data that receives is carried out the special efficacy algorithm process, and the data after will handling sends to the image special effect display module;
Figure special efficacy display module, the data that are used for receiving are presented at terminal presentation facility.
In conjunction with the Play Control example of graphic file, the specific implementation process of control method of the present invention is as follows:
A JS interface of browser extension setPhotoShowControl in the present embodiment, by the JS interface of WEB page invocation browser extension, for example, the concrete form of calling can be:
browser.setPhotoShowControl（Transition=0，Duration=100，Delay=500，X=0，Y=0，Width=536，Height=640）
Particularly, the definition of each Control Parameter is described below:
Transition: expression picture special effect play mode.For example, 0: sliding shows; 1: be fade-in fade-out; 2: convergent-divergent; 3: rise; 4: wipe; 5: descend; 6: launch; 7: assorted point disturbs and shows; 8: rotation shows; 9: at random, etc.
Duration: the expression picture shows step-length, promptly switches to the needed duration of next pictures by a pictures with the special efficacy form, and unit is a millisecond.
Delay: expression picture delay time, promptly special effect of picture shows the back and stops duration, and unit is a millisecond.
Wherein, above-mentioned step-length is a process, the time that the expression picture is complete shows; And delay time to be picture is complete show time that the back stops.
The graphical display parameter further can comprise:
X: the expression picture shows the X-axis coordinate of original position;
Y: the expression picture shows the Y-axis coordinate of original position;
Width: the width of expression picture display position;
Height: the height of expression picture display position.
Wherein, above-mentioned X, Y, Width, the unit of Height all is the px(pixel).
The JS interface of WEB page invocation browser extension after the initialization Control Parameter, issues the initial Control Parameter that special effect of picture shows by interface interchange to browser.Browser is resolved after receiving initial Control Parameter, and the data after resolving through conversion process (parameter that needs to resolve is converted to binary data), are sent to figure special efficacy control module; Figure special efficacy control module is according to the data that receive, the graph data that needs are handled is passed to bottom hardware, finish the special efficacy algorithm process by bottom hardware, and give figure special efficacy display module, be presented on the terminal presentation facility by figure special efficacy display module with the data of handling.
After initialization is finished, can also send request command, realize personalized Play Control by user input device.The process of analysis performing step of request command is as follows:
Set-top box receives the request command that user input device sends, request command is converted to Control Parameter sends to the WEB page, the WEB page is by calling the JS interface of browser extension, the latest configuration parameter is passed to browser, by browser JS parsing module parameter is resolved, data after resolving through conversion processing, are sent to figure special efficacy control module; Figure special efficacy control module is passed to bottom hardware according to the data that receive with the data that needs are handled, and finishes the special efficacy algorithm process by bottom hardware, and gives image display with the data of handling, and is presented on the terminal presentation facility by image display.
Need to prove, be that the Play Control with graphic file is that example describes in the foregoing description, and file Play Control scheme of the present invention is not limited only to the Play Control of graphic file, also can be applied to the Play Control of audio frequency, video or Flash file etc.For example, can change above-mentioned setPhotoShowControl interface into setMusicControl or setMovieControl etc., and Control Parameter such as positioning playing, F.F., rewind down are set, realize Play Control files in stream media.For example during playing audio-video document, the JS interface initialization play parameter of web page invocation browser extension at first, initiation parameter is given media play system after being changed by the browser resolves module.Media play system mainly is to accept the play instruction that browser sends, and according to play instruction media data is play.In the media play process, the user can be undertaken that F.F., rewind down, volume add by operation input apparatus, volume down, time-out, location are carried out Play Control to media file.
Fig. 2 show the embodiment of the invention for the flow chart of user input device command analysis.As shown in Figure 2, specific descriptions are as follows:
Step a, when being in the special effect of picture broadcast state, the user sends request command by input equipment (as remote controller);
Step b, WEB page JS script resolve whether user's request command is effective order, and the effective request command if not agreement then withdraws from the JS handling procedure; If effective request command of agreement, then execution in step c;
For example, the user carries out the transmission of request command by the remote controller button, and button can be self-defined.With remote controller fast forward button control picture playing step-length is example: user's remote controller fast forward button, set-top box utilizes infrared technique that request signal is converted to the key assignments (these data can be self-defined) of hexadecimal data and this key assignments is reported JS, JS arranges the parameter conversion according to the key assignments number of this agreement, promptly shows step value-agreement step value (the agreement step value can be self-defined) with initial picture.
Step c, WEB page JS script is to the request command parameter conversion by appointment of user input device, and the Control Parameter after will changing is simultaneously called by the browser extension interface, is handed down to browser.
Upward utility key, fast forwarding and fast rewinding key, "+" "-" key, sound channel key instantiation are elaborated below in conjunction with user input device (operating and remote controlling).
The JS script is judged user's operational applications key: carry out the selection of file broadcast mode, other parameters are not made an amendment in the interface, call the JS interface browser. setPhotoShwoControl(Transition=" " of browser extension then, Duration=100, Delay=500, X=0, Y=0, Width=536, Height=640).
The JS script judges that the user operates the fast forwarding and fast rewinding key: the JS script is worth by appointment revises picture demonstration step-length.If the user operates fast forward button, show step value-agreement step value with initial picture; If the user operates the rewind down key, show step value+agreement step value with initial picture.Being 20 milliseconds with the agreement step value is example, the then up-to-date step value of configuration that needs is Duration=80, other parameters are not made an amendment, call the expansion interface browser.setPhotoShowControl(Transition=0 of browser then, Duration=80, Delay=500, X=0, Y=0, Width=536, Height=640).
The JS script is judged user's operation "+" "-" key: the JS script is worth by appointment revises the picture delay duration.If the user operates "+" key, then with initial picture delay duration+agreement length-delay value, if user's operation "-" key, then with initial picture length-delay value-agreement duration value.Being 50 milliseconds with the agreement duration value is example, the then up-to-date length-delay value of configuration that needs is Delay=450, call browser browser. setPhotoShowControl(Transition=0 then, Duration=100, Delay=450, X=0, Y=0, Width=536, Height=640)
The JS script judges that the user operates the sound channel key: the JS script according to the initial picture display parameters value of setting by appointment rule remodify the picture display parameters.With the photo current display mode is 0 to be example, user's remote controller sound channel key, and Transition can be set to 1, increases progressively successively, if the photo current display mode is 2, then Transition can be reset to 0.
Fig. 3 shows the flow chart of playing in the inventive embodiments from the user input device to the special effect of picture.In conjunction with Fig. 3, specifically describe as follows:
Step 1, user's operation input apparatus (as the specific keys on the remote controller) sends request command;
Step 2 is resolved user's request command, undertaken after parameter changes by about definite value, and with the parameter after up-to-date will the conversion by calling the browser extension interface, give browser resolves;
Step 3, the browser resolves module is resolved most recent parameters, and the data that will resolve after transforming are given the processing of image special effect control module;
Step 4, figure special efficacy control module is according to the data after upgrading, and the special efficacy algorithm carries out data transaction by appointment, and the data after will changing are given the bottom hardware accelerating module and carried out data processing;
Step 5, the bottom hardware accelerating module is finished the special efficacy algorithm process, and gives image display with the data of handling;
Wherein, figure special efficacy control module only is responsible for the prepare image data, and concrete special efficacy is finished by the bottom hardware chip, and promptly the special efficacy algorithm is to be solidificated in the chip.Realization about the special efficacy algorithm can be with reference to existing realization technology.
Step 6, the special efficacy effect that will revise configuration by image display is presented on the terminal presentation facility.So far finish user's dynamic operation special effect of picture flow for displaying.
It below only is preferred case study on implementation of the present invention; be not limited to the present invention; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
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, thereby, they can be stored in the storage device and carry out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, 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.
Claims (10)
1. one kind based on interaction personal TV set-top box file control method for playing back, it is characterized in that described method comprises:
File Play Control interface by network (WEB) page invocation browser extension disposes initial Control Parameter, and described initial Control Parameter is sent to browser;
Described browser is resolved the described initial Control Parameter that receives, and carries out the Play Control of file according to the data after resolving.
2. the method for claim 1 is characterized in that,
Described file comprises: figure, audio or video file.
3. method as claimed in claim 2 is characterized in that,
When described file was graphic file, described initial Control Parameter comprised a kind of or its combination in any in the following parameter:
Figure special effect play mode;
The graphical display step-length;
The figure delay time;
The graphical display parameter.
4. method as claimed in claim 3 is characterized in that,
Described graphical display parameter further comprises:
The X-axis coordinate of the original position of graphical display, the Y-axis coordinate of graphical display original position, the width of graphic display position and the height of graphic display position.
5. as claim 3 or 4 described methods, it is characterized in that described method also comprises:
In the playing process of described figure, set-top box receives the request command that user input device sends, with the described request command conversion is that Control Parameter sends to the WEB page, and the WEB page is sent to described browser by calling described file Play Control interface with described Control Parameter;
Described browser is resolved the described Control Parameter that receives, and carries out the Play Control of file according to the data after resolving.
6. method as claimed in claim 5 is characterized in that,
Described browser carries out the Play Control of file according to the data after resolving, and specifically comprises:
Data after resolving are sent to bottom hardware, by described bottom hardware the data that receive are carried out the special efficacy algorithm process after, the data after handling are presented on the terminal presentation facility.
7. method as claimed in claim 5 is characterized in that, described method also comprises:
Described file Play Control interface is the JS interface.
8. one kind based on interaction personal TV set-top box file broadcasting control system, it is characterized in that described system comprises:
The WEB page is used to call the file Play Control interface of browser extension, disposes initial Control Parameter;
File Play Control interface in the browser after being used to be called, is sent to the file broadcast control device with described initial Control Parameter;
The file broadcast control device is used for the described initial Control Parameter that receives is resolved, and carries out the Play Control of file according to the data after resolving.
9. system as claimed in claim 8 is characterized in that,
Described system also comprises the command conversion module in the set-top box, is used for the playing process at figure, receives the request command that user input device sends, and is that Control Parameter sends to the WEB page with the described request command conversion;
The described WEB page also is used for, receive described Control Parameter after, by calling described file Play Control interface, described Control Parameter is sent to described file broadcast control device;
Described file playing device also is used for, and the described Control Parameter that receives is resolved, and carry out the Play Control of file according to the data after resolving.
10. system as claimed in claim 9 is characterized in that,
Described file is a graphic file, and described file Play Control interface is the JS interface;
Described file broadcast control device further comprises:
The JavaScript parsing module after being used for the initial Control Parameter that receives or Control Parameter resolved, sends to figure special efficacy control module;
Figure special efficacy control module after being used for the described initial Control Parameter that will receive or Control Parameter and being converted to binary data, sends to the bottom hardware accelerating module;
The bottom hardware accelerating module be used for the binary data that receives is carried out the special efficacy algorithm process, and the data after will handling sends to the image special effect display module;
Figure special efficacy display module, the data that are used for receiving are presented at terminal presentation facility.
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| CN2011100046853A CN102075800A (en) | 2011-01-11 | 2011-01-11 | File play control method and system based on interactive personnel television set top box |
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Application publication date: 20110525 |