CN104301788A - Method and device for providing video interaction - Google Patents
Method and device for providing video interaction Download PDFInfo
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- CN104301788A CN104301788A CN201410503242.2A CN201410503242A CN104301788A CN 104301788 A CN104301788 A CN 104301788A CN 201410503242 A CN201410503242 A CN 201410503242A CN 104301788 A CN104301788 A CN 104301788A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
- H04N21/4316—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for displaying supplemental content in a region of the screen, e.g. an advertisement in a separate window
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
- H04N21/4858—End-user interface for client configuration for modifying screen layout parameters, e.g. fonts, size of the windows
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Business, Economics & Management (AREA)
- Marketing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The embodiment of the invention provides a method and device for providing video interaction. The method includes the steps of establishing a control window which is in the same size as a currently-played video, adding the control required for interaction to the control window, conducting screenshot on the control window, making the screen shot and the currently-played video overlap, calling a video rendering engine to conduct image rendering on overlapped content, and obtaining the interactive video. By means of the method and device, system loads are reduced.
Description
Technical field
The present invention relates to networking technology area, particularly relate to a kind of method and apparatus that video interactive is provided.
Background technology
Video interactive is usually used in ad system, and on advertisement video, adding users click on area can perform the operation of user.Such as, Internet video is when broadcast advertisement, and the upper right corner can show skip advertisements, and Here it is user's can click on area, clicks this region can perform corresponding operation by mouse.It is mutual that simple video cannot realize with user, needs a kind of auxiliary system to realize this function.
In prior art, advertisement player can comprise video source, and video source superposes the control of some and user interactions.At present, advertisement player mainly uses adobe flash player to realize, but flash player is easy to collapse, less stable, and need user in terminal, install flash software and just can use flash player, the scope of application is comparatively narrow.
In the prior art, additionally provide a kind of method being realized mixing with the alpha of video playback window by popup transparent window, wherein, popup transparent window is Windows top-level windows, and alpha mixing can realize translucent effect, this process employs the function that Windows (window) paints certainly, need to set up control window and Video Rendering window, then, by the content played up and the video combination of playing, obtain and can be used in mutual video.In the method, need two windows (Video Rendering window control window), this just needs the code of maintenance two windows, and code maintenance amount is comparatively large, and system loading is larger.In addition, on Partial flats, well cannot realize the alpha mixing between window, which limits the application of this method, such as, under winxp platform, user can only abandon the scheme of transparent window, and adopts the opaque window of poor effect.
Therefore, the technical problem needing those skilled in the art urgently to solve at present is exactly: how to reduce system loading.
Summary of the invention
Embodiment of the present invention technical problem to be solved is to provide a kind of method providing video interactive, to reduce system loading.
Accordingly, the embodiment of the present invention additionally provides a kind of device providing video interactive, in order to ensure the implementation and application of said method.
In order to solve the problem, the invention discloses a kind of method that video interactive is provided, comprising: create the control window identical with the video size of current broadcasting; Mutual required control is added in described control window; By described control window sectional drawing, the video of sectional drawing with current broadcasting is superposed; Call Video Rendering engine and image rendering is carried out to the content after superposition, the video that acquisition can be mutual.
Preferably, image rendering is being carried out to the content after superposition, after the video that acquisition can be mutual, described method also comprises: receive the message of drawing described control window from system platform, wherein, to be described system platform to send in the image of described control window changes detecting described message; Obtain the sectional drawing of current described control window; The video of described sectional drawing with described current broadcasting is superposed; Call Video Rendering engine and image rendering is carried out to the content after superposition, the video that acquisition can be mutual.
Preferably, after the sectional drawing obtaining current described control window, described method also comprises: the format conversion of described sectional drawing is become the form that described Video Rendering engine can process.
Preferably, before the sectional drawing obtaining current described control window, be that described sectional drawing distributes preservation position in internal memory; After the sectional drawing obtaining current described control window, described sectional drawing is kept in the position of described distribution.
Preferably, sectional drawing is carried out superposing comprising with the video of current broadcasting: on the video described sectional drawing being superimposed upon described current broadcasting, wherein, the part in described sectional drawing except described mutual required control transparent.
In order to solve the problem, the invention discloses a kind of device that video interactive is provided, comprising: creating unit, for creating the control window identical with the video size of current broadcasting; Adding device, for adding in described control window by mutual required control; Superpositing unit, for by described control window sectional drawing, superposes the video of sectional drawing with current broadcasting; Rendering unit, carries out image rendering to the content after superposition, the video that acquisition can be mutual for calling Video Rendering engine.
Preferably, described device also comprises: receiving element, for receiving the message of drawing described control window from system platform, wherein, to be described system platform to send in the image of described control window changes detecting described message; Acquiring unit, for obtaining the sectional drawing of current described control window; Described superpositing unit is also for superposing the video of described sectional drawing with described current broadcasting; Described rendering unit also carries out image rendering to the content after superposition, the video that acquisition can be mutual for calling Video Rendering engine.
Preferably, described device also comprises: converting unit, for after the sectional drawing obtaining current described control window, the format conversion of described sectional drawing is become the form that described Video Rendering engine can process.
Preferably, described device also comprises: allocation units, for before the sectional drawing obtaining current described control window, is that described sectional drawing distributes preservation position in internal memory; Storage unit, for after the sectional drawing obtaining current described control window, is kept at described sectional drawing in the position of described distribution.
Preferably, described superpositing unit is used for: on the video described sectional drawing being superimposed upon described current broadcasting, wherein, the part in described sectional drawing except described mutual required control transparent.
Compared with prior art, the embodiment of the present invention comprises following advantage:
In the prior art, the function using Windows certainly to paint provides video that can be mutual, and needs to set up control window and Video Rendering window, also just need the code of maintenance two windows, and cause code maintenance amount comparatively large, system loading is larger.In this application, mutual required control is added in control window, by control window sectional drawing, and the video of sectional drawing with current broadcasting is superposed, then, call Video Rendering engine and image rendering is carried out to the content after superposition, acquisition can be mutual video, in the method, only need maintenance control window, reduce code maintenance amount, thus reduce system loading.
Accompanying drawing explanation
Fig. 1 is a kind of flow chart of steps providing the embodiment of the method for video interactive of the present invention;
Fig. 2 is a kind of structured flowchart providing the device embodiment of video interactive of the present invention;
Fig. 3 is a kind of preferred structured flowchart providing the device embodiment of video interactive of the present invention.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
One of core idea of the embodiment of the present invention is, creates the control window identical with the video size of current broadcasting; Mutual required control is added in control window; Control window is carried out sectional drawing, the video of sectional drawing with current broadcasting is superposed; Call Video Rendering engine and image rendering is carried out to the content after superposition, the video that acquisition can be mutual.In this application, only need maintenance control window, reduce code maintenance amount, thus reduce system loading.
With reference to Fig. 1, show a kind of flow chart of steps providing the embodiment of the method for video interactive of the present invention, the method can be applied in various terminal, specifically can comprise the steps:
Step 102, creates the control window identical with the video size of current broadcasting;
For advertisement player, when starting broadcast advertisement, needs provide video that can be mutual, now perform step 102.
Step 104, adds in control window by mutual required control;
Mutual required control correspondence operates one of at least below: skip advertisements, praise, step on, and for intercepting and capturing widget interaction event, such as message etc. clicked by button, to complete the response to control event (such as, mouse press, mouse-over etc.).
Step 106, carries out sectional drawing by control window, and is superposed by the video of sectional drawing with current broadcasting;
In a preferred embodiment of the embodiment of the present invention, on the video that sectional drawing can be superimposed upon current broadcasting, wherein, part in described sectional drawing except described mutual required control transparent, the transparency of the mutual required control in described sectional drawing does not limit, such as, mutual required control in described sectional drawing can be that the transparency of mutual required control in opaque or described sectional drawing is lower than threshold value, this threshold value can be an empirical value, can set can see this mutual control clearly for principle.By this embodiment, control and video can comparatively complete showing, and improve the experience of user.
Step 108, calls Video Rendering engine and carries out image rendering to the content after superposition, the video that acquisition can be mutual.
In a preferred embodiment of the embodiment of the present invention, image rendering is being carried out to the content after superposition, after the video that acquisition can be mutual, receive the message that control window is drawn from system platform, wherein, this message is that system platform sends when detecting that the image of control window changes; Under the triggering of this message, obtain the sectional drawing of current control window; The video of sectional drawing with current broadcasting is superposed; Call Video Rendering engine and image rendering is carried out to the content after superposition, the video that acquisition can be mutual.Such as, when user is on the interface of current displaying video during rolling mouse, can produce current control window and change, the system platform of terminal can perceive this operation, thus produce the message that control window is drawn, terminal sectional drawing produces new control window, and then produces new video that can be mutual.By the present embodiment, control window can be adjusted timely, improve the experience of user.
In a preferred embodiment of the embodiment of the present invention, after receiving the message that control window is drawn from system platform, can from device context (Device Context, DC) snapshot of current window is obtained in, this snapshot is carried out alpha with the video of current broadcasting mix, by mixed image rendering in window, thus provide and can be used in mutual video.Wherein, DC is also called device context, is one and defines block graphics object and an attribute thereof, graphics mode (data) structure that impact exports.Windows provides device context, and this table can be used for carrying out between application program and physical equipment alternately.
In a preferred embodiment of the embodiment of the present invention, after the sectional drawing obtaining current control window, the form that can Video Rendering engine be become to process the format conversion of sectional drawing.Because Video Rendering engine may not the form of compatible sectional drawing, therefore, whether the form that first can judge sectional drawing can by the process of Video Rendering engine, if not, the form then becoming Video Rendering engine to process the format conversion of sectional drawing, so that follow-up operation.Such as, after intercepting drafting window repaint message, use control image getter to obtain control image, then data are sent to control image transducer, the picture format needed by this module in charge generating video render engine; Then, use Video Rendering engine to be superposed with video by the sectional drawing got, and output in drafting window.
In a preferred embodiment of the embodiment of the present invention, can be that sectional drawing distributes and preserves position in advance in internal memory; After the sectional drawing obtaining current control window, sectional drawing is kept in the position of distribution.If obtain new sectional drawing later, new sectional drawing is also saved in pre-assigned position.About Memory control, mainly consider that the bitmap content format of generation and size are changeless substantially, therefore, first preassignment can publish picture as size, do not need additional allocation internal memory so in the process of implementation.By this embodiment, only need to allocate a core position in advance, do not need the sub-distribution again when each sectional drawing, thus decrease the time of flow operations, further, relative to repeated dispensing core position, allocate core position in advance and can avoid causing memory fragmentation.
When specific implementation, terminal can be intercepted and captured window and draw message, is rendered in internal memory by control window, again the figure in internal memory taken out and be converted to the acceptable form of video image, then, image is passed to Video Rendering engine, then complete the alpha mixing of image by video engine.Video Rendering engine completes and can accept multiple input, comprising video source input, and the image imported into.After Video Rendering engine gets input picture, according to the superposition of playing up order and carry out image, thus obtain mutual video is provided.For advertisement player, first, render video source itself, and then play up the control image of input, thus acquisition provides mutual video.
In a preferred embodiment of the embodiment of the present invention, the image of each control in control window can also be obtained, pass to render engine successively, and inform the particular location of each control of render engine, corresponding control is drawn successively by render engine, then the video with current is superimposed, and the mode of superposition can adopt the mode in the present embodiment.
For advertisement player, after advertisement finishes playing, need to stop above-mentioned flow process.
Prior art, needs to use extra window to realize this function, can increase overhead, be unfavorable for the maintenance of software simultaneously.In actual development, also can run into the problem of much not easily debugging.In this application, mutual required control is added in control window, the video of the sectional drawing of control window with current broadcasting is superposed, then, call Video Rendering engine and image rendering is carried out to the content after superposition, acquisition can be mutual video, in the method, only need maintenance control window, reduce code maintenance amount, thus reduce system loading and overhead, be conducive to the maintenance of software, reduce the difficulty of debugging.
In addition, in the prior art, some platform cannot realize the alpha mixing between window, now, window can only be allowed opaque, cause interface attractive in appearance not like this, and the state presented under different platforms is inconsistent.By the application, only need the sectional drawing of control window to be carried out superposing with the video of current broadcasting in system platform, do not need platform to support alpha mixing, also just do not need to make window opaque, improve the aesthetics at interface.Further, because the application does not limit platform, therefore, can be applied in various platform.
It should be noted that, for embodiment of the method, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the embodiment of the present invention is not by the restriction of described sequence of movement, because according to the embodiment of the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and involved action might not be that the embodiment of the present invention is necessary.
With reference to Fig. 2, show a kind of structured flowchart that the device embodiment of video interactive is provided of the present invention, specifically can comprise as lower module:
Creating unit 202, for creating the control window identical with the video size of current broadcasting;
Adding device 204, for adding in control window by mutual required control;
Superpositing unit 206, for control window is carried out sectional drawing, and superposes the video of sectional drawing with current broadcasting;
Rendering unit 208, carries out image rendering to the content after superposition, the video that acquisition can be mutual for calling Video Rendering engine.Wherein, bitmap for the synthesis of final bitmap, and is plotted on drafting window by Video Rendering engine.
Fig. 3 shows a kind of preferred structured flowchart providing the device embodiment of video interactive of the present invention, and as shown in Figure 3, this device also comprises:
Receiving element 302, for receiving the message of drawing control window from system platform, wherein, to be system platform send in the image of control window changes detecting message;
Acquiring unit 304, for obtaining the sectional drawing of current control window; Wherein, this acquiring unit 304 can use as control image getter, thus obtains control sectional drawing.
Superpositing unit 206 is also for superposing the video of sectional drawing with current broadcasting;
Rendering unit 208 also carries out image rendering to the content after superposition, the video that acquisition can be mutual for calling Video Rendering engine.
As shown in Figure 3, this device also comprises:
Converting unit 306, for after the sectional drawing obtaining current control window, the form becoming Video Rendering engine to process the format conversion of sectional drawing.Wherein, this converting unit 306 can use as control image transducer, for the control sectional drawing of acquisition being converted into the form that video renderer (such as, Video Rendering engine) needs.
As shown in Figure 3, this device also comprises:
Allocation units 308, for before the sectional drawing obtaining current control window, preserve position for sectional drawing distributes in internal memory;
Storage unit 310, for after the sectional drawing obtaining current control window, is kept at sectional drawing in the position of distribution.
In a preferred embodiment of the embodiment of the present invention, superpositing unit 206 for:
On the video sectional drawing of control window being superimposed upon current broadcasting, wherein, the part in described sectional drawing except described mutual required control transparent.
For device embodiment, due to itself and embodiment of the method basic simlarity, so description is fairly simple, relevant part illustrates see the part of embodiment of the method.
Each embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.
Those skilled in the art should understand, the embodiment of the embodiment of the present invention can be provided as method, device or computer program.Therefore, the embodiment of the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the embodiment of the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) of computer usable program code.
The embodiment of the present invention describes with reference to according to the flow chart of the method for the embodiment of the present invention, terminal equipment (system) and computer program and/or block diagram.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can being provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing terminal equipment to produce a machine, making the instruction performed by the processor of computer or other programmable data processing terminal equipment produce device for realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing terminal equipment, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
These computer program instructions also can be loaded on computer or other programmable data processing terminal equipment, make to perform sequence of operations step to produce computer implemented process on computer or other programmable terminal equipment, thus the instruction performed on computer or other programmable terminal equipment is provided for the step realizing the function of specifying in flow chart flow process or multiple flow process and/or block diagram square frame or multiple square frame.
Although described the preferred embodiment of the embodiment of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of embodiment of the present invention scope.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or terminal equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or terminal equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the terminal equipment comprising described key element and also there is other identical element.
Above to a kind of method and apparatus providing video interactive provided by the present invention, be described in detail, apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a method for video interactive is provided, it is characterized in that, comprising:
Create the control window identical with the video size of current broadcasting;
Mutual required control is added in described control window;
By described control window sectional drawing, the video of sectional drawing with current broadcasting is superposed;
Call Video Rendering engine and image rendering is carried out to the content after superposition, the video that acquisition can be mutual.
2. method according to claim 1, is characterized in that, carrying out image rendering to the content after superposition, after the video that acquisition can be mutual, described method also comprises:
Receive the message of drawing described control window from system platform, wherein, to be described system platform to send in the image of described control window changes detecting described message;
Obtain the sectional drawing of current described control window;
The video of described sectional drawing with described current broadcasting is superposed;
Call Video Rendering engine and image rendering is carried out to the content after superposition, the video that acquisition can be mutual.
3. method according to claim 2, is characterized in that, after the sectional drawing obtaining current described control window, described method also comprises:
The format conversion of described sectional drawing is become the form that described Video Rendering engine can process.
4. method according to claim 2, is characterized in that,
Before the sectional drawing obtaining current described control window, be that described sectional drawing distributes preservation position in internal memory;
After the sectional drawing obtaining current described control window, described sectional drawing is kept in the position of described distribution.
5. method according to any one of claim 1 to 4, is characterized in that, is carried out superposing comprising by sectional drawing with the video of current broadcasting:
On the video described sectional drawing being superimposed upon described current broadcasting, wherein, the part in described sectional drawing except described mutual required control transparent.
6. a device for video interactive is provided, it is characterized in that, comprising:
Creating unit, for creating the control window identical with the video size of current broadcasting;
Adding device, for adding in described control window by mutual required control;
Superpositing unit, for by described control window sectional drawing, superposes the video of sectional drawing with current broadcasting;
Rendering unit, carries out image rendering to the content after superposition, the video that acquisition can be mutual for calling Video Rendering engine.
7. device according to claim 6, is characterized in that, described device also comprises:
Receiving element, for receiving the message of drawing described control window from system platform, wherein, to be described system platform to send in the image of described control window changes detecting described message;
Acquiring unit, for obtaining the sectional drawing of current described control window;
Described superpositing unit is also for superposing the video of described sectional drawing with described current broadcasting;
Described rendering unit also carries out image rendering to the content after superposition, the video that acquisition can be mutual for calling Video Rendering engine.
8. device according to claim 7, is characterized in that, described device also comprises:
Converting unit, for after the sectional drawing obtaining current described control window, becomes the form that described Video Rendering engine can process by the format conversion of described sectional drawing.
9. device according to claim 7, is characterized in that, described device also comprises:
Allocation units, for before the sectional drawing obtaining current described control window, are that described sectional drawing distributes preservation position in internal memory;
Storage unit, for after the sectional drawing obtaining current described control window, is kept at described sectional drawing in the position of described distribution.
10. the device according to any one of claim 6 to 9, is characterized in that, described superpositing unit is used for:
On the video described sectional drawing being superimposed upon described current broadcasting, wherein, the part in described sectional drawing except described mutual required control transparent.
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| CN201410503242.2A CN104301788A (en) | 2014-09-26 | 2014-09-26 | Method and device for providing video interaction |
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| CN109660855A (en) * | 2018-12-19 | 2019-04-19 | 北京达佳互联信息技术有限公司 | Paster display methods, device, terminal and storage medium |
| CN110087117B (en) * | 2019-04-26 | 2021-10-29 | 维沃移动通信有限公司 | Video playing method and terminal |
| CN110087117A (en) * | 2019-04-26 | 2019-08-02 | 维沃移动通信有限公司 | A kind of video broadcasting method and terminal |
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