CN103546813A - Android platform based video preview method and smart television - Google Patents

Android platform based video preview method and smart television Download PDF

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Publication number
CN103546813A
CN103546813A CN201310358078.6A CN201310358078A CN103546813A CN 103546813 A CN103546813 A CN 103546813A CN 201310358078 A CN201310358078 A CN 201310358078A CN 103546813 A CN103546813 A CN 103546813A
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video
progress bar
player
focus
observing
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刘广宾
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TCL Corp
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TCL Corp
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47End-user applications
    • H04N21/472End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47217End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for controlling playback functions for recorded or on-demand content, e.g. using progress bars, mode or play-point indicators or bookmarks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing 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
    • H04N21/443OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H04N21/4432Powering on the client, e.g. bootstrap loading using setup parameters being stored locally or received from the server

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  • Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

The invention discloses an Android platform based video preview method and a smart television. The video preview method includes the steps: A, when a video player is turned on, initializing a video preview function; B, receiving a first switching instruction outputted by the user for switching a player progress bar into a video preview mode, and detecting whether a focus point of the player progress bar moves or not; C, when the focus point of the player progress bar moves, converting the position when the focus point stops into a video viewing point, and searching in a cache to find out whether video preview content corresponding to the video viewing point exist or not, executing a step D if so, and executing a step E otherwise; D, acquiring video data corresponding to the video viewing point, decoding the video data to obtain corresponding video preview content, and executing the step E; E, returning the video preview content to the displayer progress bar for displaying. By the android platform based video preview method, a video preview function is realized, and intelligence degree of the smart television is increased.

Description

Video previewing method based on Android platform and intelligent television
Technical field
The present invention relates to intelligent television, particularly a kind of video previewing method and intelligent television based on Android platform.
Background technology
Along with the advantage of Android system is released, Android intelligent television has also welcome period of expansion rapidly, how to make good use of the display screen of this piece maximum in family, becomes the problem that each large TV business men must be thought deeply.Wherein with big screen intelligent TV, watch this locality or Internet video to become user's first-selection, along with video-see demand constantly rises, the giant of video content provider of domestic conventional internet industry also enters Android intelligent television field one after another, such as excellent cruel, potato video, Sina's video, CNTV(China Network TV Station), QQ video etc.
At present, at PC(personal computer, personal computer) video website or the CS (Client/Server of end, client/server) client of framework is when displaying video, user can move to cursor on progress bar, by rolling mouse, realize in advance preview video, the function such as is watched in location.For example, if user wants to go to certain point while playing, only need progress bar be moved to certain point by clicking the mouse and can go to this point and start to play.If think the video content of certain point of preview, certain point that only need cursor be placed on to progress bar by mouse is upper, just can show the video preview content of this point on progress bar.
Above-mentioned video preview and make video go to the implementation that certain point is play, all need to use picture servers, by the image data of pre-stored each time point of video file of this picture servers, when user moves on player progress bar, player is the position on progress bar according to mouse, to the picture servers request picture of far-end, reach the object of preview video.This is also the common practice of current internal video provider.
But above-mentioned implementation, need to before video playback prerequisite, carry out the image data of each time point, and aforesaid way can only realize the preview of the video file that video provider oneself provides, can not realize other video file preview, go to the functions such as certain some broadcasting.
At present, on Android intelligent television platform, due to television-directed Operating Complexity, and Android system itself does not provide assembly and the interface of video-previewing content, make on Android intelligent television platform, do not have video player application support by remote controller, focus to be moved to the functions such as certain position previewing video content of progress bar, and self-defined displaying video, greatly weakened and watched the user of video to experience, the degree of intelligence of Android intelligent television is restricted.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide a kind of video previewing method and intelligent television based on Android platform, to solve the problem of the obstructed preview video of intelligent television of existing Android platform.
In order to achieve the above object, the present invention has taked following technical scheme:
A video previewing method based on Android platform, it comprises:
A, when video player is opened, initialization video preview function;
B, receive user's output player progress bar is switched to the first switching command of video preview pattern, whether the focus that detects player progress bar moves;
C, when the Focal Point Shift of player progress bar, position when focus is stopped converts video observing watching focus to, and in buffer memory, searches whether there be the video preview content corresponding with described video observing watching focus; If nothing, performs step D; If have, execution step E;
D, obtain and the corresponding video data of video observing watching focus, the described video data of decoding obtains corresponding video preview content, and performs step E;
E, described video preview content is returned to player progress bar show.
In the described video previewing method based on Android platform, described step C specifically comprises:
C1, when the Focal Point Shift of player progress bar, judge whether player progress bar is video preview pattern;
C2, if so, convert the position of focus to video observing watching focus, and in buffer memory, search whether there be the video preview content corresponding with described video observing watching focus; If nothing, performs step D; If have, execution step E.
In the described video previewing method based on Android platform, described step C2 also comprises:
If not, convert the position of focus to video observing watching focus, from this video observing watching focus, start displaying video.
In the described video previewing method based on Android platform, described step D specifically comprises:
D1, convert described video observing watching focus to video physical address, and obtain corresponding video data based on described video physical address;
D2, read the file header information of described video data, search in described file header information whether have document flow information; While having document flow information in described file header information, according to the corresponding decoder of described document flow information searching;
D3, by the described decoder described video data of decoding, obtain the video preview content corresponding with described video observing watching focus.
In the described video previewing method based on Android platform, described step D3 specifically comprises:
D31, decoder obtain described video data, and the frame of video of the described video data of decoding obtains corresponding video preview content;
D32, the rendered formats of described video preview content is set, and fills described video preview content.
In the described video previewing method based on Android platform, after described step e, also comprise;
F, judge that whether user is from this video-see point displaying video; If so, from this video-see point displaying video, if not, restart video preview content, return to described step C.
In the described video previewing method based on Android platform, in described step F, describedly from this video-see point displaying video, specifically comprise:
F1, after confirming the position of described focus, a corresponding displaying video of watching from the position of focus;
F2, reception user output switch to player progress bar to show the second switching command that inserts progress pattern.
An intelligent television based on Android platform, it comprises:
Video player, for the video that displays the play; On described video player, be provided with player progress bar, for the focal position correspondence of the progress of displaying the play and player progress bar, watch video preview content a little; This video player comprises video preview interface, for calling video preview content, returns to player progress bar and shows;
Android player module, for displaying video, and receive user's output player progress bar is switched to the first switching command of video preview pattern;
Detection module, for detection of the shift position of the focus of player progress bar;
Video preview module, the position when focus is stopped converts video observing watching focus to, and in cache module, searches whether there be the video preview content corresponding with described video observing watching focus;
Decoder, for obtaining the video data corresponding with video observing watching focus, and the described video data of decoding obtains the video preview content corresponding with described video observing watching focus.
The described intelligent television based on Android platform, also comprises:
Actuation means, for to described intelligent television sending controling instruction, controls the play mode of player progress bar, and controls the Focal Point Shift of player progress bar.
In the described intelligent television based on Android platform, described video preview module comprises:
Address conversioning unit, for converting described video observing watching focus to video physical address;
Acquiring unit, for obtaining and the corresponding video data of described video observing watching focus;
Search unit, for reading the file header information of described video data, search in described file header information whether have document flow information; And while having document flow information in described file header information, according to the corresponding decoder of described document flow information searching.
Compared to prior art, video previewing method and intelligent television based on Android platform provided by the invention, when the Focal Point Shift of player progress bar, convert the position of focus to video observing watching focus, and in buffer memory, search whether there be the video preview content corresponding with described video observing watching focus, when there is no corresponding video preview content, obtain again and the corresponding video data of video observing watching focus, and decode video preview content, returning to player progress bar shows, thereby on the intelligent television of Android platform, realized video preview function, improved the intelligent degree of intelligent television.
Accompanying drawing explanation
Fig. 1 is the flow chart that the present invention is based on the video previewing method of Android platform.
Fig. 2 is the structured flowchart that the present invention is based on the intelligent television of Android platform.
Embodiment
The invention provides a kind of video previewing method and intelligent television based on Android platform, without carrying out prior buffer memory image data by picture servers, by the multimedia framework of expansion Android system, in multimedia framework, increase the function of video-previewing content, specifically at the Framewrok of Android system layer (ccf layer), increase the interface that video player can preview, the event of the preview video of response player progress bar, when user is during at player progress bar moving focal point, by the functional unit that preview video is provided, according to mobile position extraction video preview content, returning to front end player interface shows.The present invention has used JNI(Java Native Interface, and JAVA calls this locality) technology connector arrangement function bottom of the reservior layer video preview function module, video playback application only need be called the interface of corresponding preview video just can realize this function.
Simultaneously, the present invention has also increased the cache module of store video preview content, when user moves around video player progress bar, can a little from cache module, extract video preview content according to watching, can show fast to interface, when further enhancing user watches video tastes, reduce system CPU performance consumption amount.
For making object of the present invention, technical scheme and effect clearer, clear and definite, referring to accompanying drawing, developing simultaneously, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
At present, in the primary system of Android, there is no video preview function, the present invention, according to the framework of Android system, expands existing multimedia framework, increases video-previewing content function.Refer to Fig. 1, it is the flow chart that the present invention is based on the video previewing method of Android platform.
As shown in Figure 1, the video previewing method based on Android platform provided by the invention comprises: S100, when video player is opened, initialization video preview function.
In the present embodiment, video player is a video playback application, and this video playback application has multimedia player interface, and the present invention has expanded video preview interface in this video playback application.This video preview interface is provided by the Framework layer of Android, facilitates video playback application call.Video playback application is inserted function by multimedia player Interface realization video, and it is prior art, does not do in detail herein.Described video preview interface provides application call by the mode of Java jar, realizes video preview function of the present invention, hereinafter will be described in detail this function.
S200, receive user's output player progress bar is switched to the first switching command of video preview pattern, whether the focus that detects player progress bar moves.
Take intelligent television as example, when video playback, if user need to watch video preview content, can to intelligent television, export the first switching command by controlling remote controller, make player progress bar switch to video preview pattern from display video progress pattern.When intelligent television is received after this first switching command, switching player progress bar is video preview pattern, and player progress bar is monitoring users behavior subsequently, judges that whether user controls the Focal Point Shift of player progress bar by remote controller.
Further, described step S200 also comprises the each mobile granularity of focus of revising player progress bar, revises the granularity of giving tacit consent in the primary system of Android, facilitates user to be positioned to more accurately certain and watches a displaying video.
For example, film of 40 minutes of F.F., the film amplitude of mobile 2 minutes that the granularity of giving tacit consent in the primary system of Android is the every movement of player progress bar once, mobile 20 times can F.F. complete; Film of 80 minutes of F.F., the film amplitude of mobile 4 minutes that the granularity of giving tacit consent in the primary system of Android is the every movement of player progress bar once, mobile equally 20 times can F.F. complete.In visible prior art, the each mobile film amplitude of player progress bar is different, is not easy to accurate location.In the present embodiment, can control the each mobile identical film amplitude of player progress bar, as each movement film amplitude of 30 seconds, thereby realize location more accurately.
S300, when the Focal Point Shift of player progress bar, convert the position of focus to video observing watching focus, and in buffer memory, search whether there be the video preview content corresponding with described video observing watching focus; If nothing, performs step S400; If have, execution step S600.
In specific implementation process, described step S300 specifically comprises: a, when the Focal Point Shift of player progress bar, judges whether player progress bar is video preview pattern; B, position when if so, focus is stopped convert video observing watching focus to, and in buffer memory, search whether there be the video preview content corresponding with described video observing watching focus; If nothing, performs step S400; If have, execution step S500.
In step S300, if the Focal Point Shift of player progress bar detected, which needs user to operate TV remote controller moving focal point, owing to being that remote controller is controlled, now also needs video player to judge whether player progress bar is video preview pattern.If player progress bar is not video preview pattern (now player progress bar is display video progress pattern), think that intelligent television successfully do not receive that above-mentioned the first switching command or remote controller do not export the first switching command, now directly convert the position of focus to video observing watching focus, from this video observing watching focus, start displaying video, realize focus and be dragged to certain point, from certain point, start the function of displaying video.If player progress bar is video preview pattern, represent now player progress bar successful switch to video preview pattern, now convert the position of focus to video observing watching focus, and in buffer memory, search whether there be the video preview content corresponding with described video observing watching focus.If there is corresponding video preview content in buffer memory, pass through subsequent step S500 by player progress bar display video preview content.If there is not corresponding video preview content in buffer memory, enter the step S400 processing of decoding.
S400, obtain and the corresponding video data of video observing watching focus, and the described video data of decoding obtains corresponding video preview content and performs step S500.
Described video preview content is one or number Zhang Weitu.In specific implementation process, described step S400 specifically comprises: 401, convert described video observing watching focus to video physical address, and obtain corresponding video data based on described video physical address; 402, read the file header information of described video data, search in described file header information whether have document flow information; While having document flow information in described file header information, according to the corresponding decoder of described document flow information searching; 403, by the described decoder described video data of decoding, obtain the video preview content corresponding with described video observing watching focus.
Wherein, described video data can obtain from local video file or video server, when from local video file acquisition, in the situation that there is no network, also can realize preview function.Before obtaining video data, video observing watching focus need to be converted to video physical address, then based on described video physical address, the file header information of reading video data in this locality or video server, according to this document header locating file stream information, if can find document flow information, according to this document stream information, search decoder, if do not find document flow information, directly shut-down operation, returns to preview failure and shows to player progress bar.After finding suitable decoder, decoder is according to the time point position on player progress bar, the video file obtaining from local video file or the video server processing of decoding, after successfully decoded, output video preview content shows to player progress bar.
In the present embodiment, described step 403 specifically comprises: decoder obtains described video data, and the frame of video of the described video data of decoding obtains corresponding video preview content; The rendered formats of described video preview content is set, and fills described video preview content.In the rendered formats that video preview content is set, comprise the form that preview picture is set, the parameters such as picture size, and fill by requirement is set.
S500, described video preview content is returned to player progress bar show.
In the embodiment of the present invention, after player progress bar display video preview content, if user continues to control the Focal Point Shift of player progress bar, represent that user does not want to watch video from this point, now, need restart video preview content, return to step S300, continue to monitor the mobile status of player progress bar, while again stopping, again in buffer memory, searching the video preview content that whether exists this position corresponding after Focal Point Shift.If user wants to watch video from this point, need user to export a control command (as pressed " OK " key of intelligent television), confirm to start to watch from this point.After confirming the position of described focus, player is just can be from this focal position corresponding watches a displaying video; Afterwards, exportable the second switching command control player progress bar of user switches to and shows the progress pattern that inserts, in reception user output, player progress bar is switched to demonstration and insert after the second switching command of progress pattern, player progress bar will switch to and show the progress pattern that inserts.
The intelligent television of Android platform of take is example, in the video previewing method based on Android platform of the present invention, player progress bar except the progress of displaying the play, drag video playback capability, also increased the function of video preview content, when player progress bar switches to preview mode, user uses a teleswitch and drags the focus of player progress bar, and now video playback progress is not subject to the impact of Focal Point Shift.When focal position is fixedly time, on player progress bar, show the video preview content that this position is corresponding, if user want from this displaying video, only need to click " OK " key, video can be from this video-see point broadcasting.And user also can revise remote controller each mobile granularity on player progress bar, revises the granularity of giving tacit consent in the primary system of Android, facilitates user to be positioned to more accurately certain and watches a displaying video.
Further, in embodiment, after described step S400, before step S500, the video previewing method based on Android platform of the present invention also comprises: described video preview content is stored in buffer memory.
The present invention's output video preview content after decoding completes is stored to cache module, so that user moves around, during player progress bar, calls this video preview content, thereby improves preview efficiency, reduces system CPU performance consumption amount.
The embodiment of the present invention is also corresponding provides a kind of intelligent television based on Android platform, and as shown in Figure 2, it comprises video player 10, detection module 20, video preview module 40, decoder 50 and video player Android player module 60.Video player 10 is for the video that displays the play.On this video player 10, be provided with player progress bar, for the focal position correspondence of display video playing progress rate and player progress bar, watch video preview content a little.This video player 10 is a player application, it comprises video preview interface 101 and multimedia player interface 102, by video preview interface 101, call video preview content, return to player progress bar and show, described multimedia player interface 102 is for calling video file displaying video.Whether described detection module 20, for detection of the mobile status position of the focus of player progress bar, detects focus and moves, and the position of focus on player progress bar.
In the present embodiment, in the intelligent television of Android platform of the present invention, video preview module 40 is completely independent with the function of Android player module 60, the position of described video preview module 40 when focus is stopped converts video observing watching focus to, and in cache module, searches whether there be the video preview content corresponding with described video observing watching focus.Android player module 60 directly calls multimedia file displaying video, and receive user's output player progress bar is switched to the first switching command of video preview pattern, it be prior art, herein detailed description no longer.
Described decoder 50 is the decoder of intelligent television this locality, and for obtaining the video data corresponding with video observing watching focus, and the described video data of decoding obtains the video preview content corresponding with described video observing watching focus.
Further, the intelligent television of Android platform of the present invention also comprises cache module 30, and for storing described video preview content, so that user watches this video to need moving focal point next time, or user is while moving around focus, carries out rapid preview.Described cache module 30 can be SD card, USB flash disk etc., and when user drags focus back and forth, the video preview content of buffer memory before can reusing, improves preview efficiency, has more enriched and has watched the user of video to experience.
Further, the intelligent television of Android platform of the present invention also comprises memory module, for storing described video data.Described memory module is memory or the outside video server of intelligent television this locality.
During concrete enforcement, described video preview module 40 comprises: address conversioning unit, acquiring unit and search unit.Address conversioning unit is for converting described video observing watching focus to video physical address.Acquiring unit is used for obtaining and the corresponding video data of described video observing watching focus.Search unit, for reading the file header information of described video data, search in described file header information whether have document flow information; And while having document flow information in described file header information, according to the corresponding decoder 50 of described document flow information searching.
Preferably, the intelligent television of Android platform of the present invention also comprises actuation means, this actuation means is preferably remote controller, be used for to intelligent television sending controling instruction, except controlling intelligent television zapping, the Focal Point Shift of the also play mode of controlled player progress bar processed (as video preview pattern, display video progress pattern etc.), and control player progress bar.
User is switched the functional mode of progress bar by remote controller, when user switches to video preview pattern, user can pull the focus of remote controller on progress bar, the any video content of watching a little of moving focal point preview, thereby facilitate user on purpose to locate and watch video, while avoiding without destination Switch Video play content, need to repeatedly wait for buffer memory video and cause the sensation of watching video tastes not good.
Further, the intelligent television of Android platform of the present invention also comprises module is set, and for the rendered formats of described video preview content is set, and fills described video preview content.
Following intelligent television is example, and video previewing method and the intelligent television based on Android platform of the present invention is elaborated:
When video player is opened, initialization video preview function, when video player displaying video, by the behavior of player progress bar monitoring users.If user wants to see preview video, can export the first switching command by remote controller player progress bar is switched to video preview pattern, then by the focus of remote controller Mobile player progress bar, when Focal Point Shift, intelligent television need to judge whether player progress bar is video preview pattern.If not, representing that intelligent television do not receive the first switching command, player progress bar is display video progress pattern, now, when Focal Point Shift is during to certain position, from this video observing watching focus, starts displaying video; If the pattern of player progress bar is video preview pattern,, when Focal Point Shift arrives certain position, position when focus is stopped converts video observing watching focus to, and in buffer memory, searches whether there be the video preview content corresponding with described video observing watching focus.If there is corresponding video preview content in buffer memory, described video preview content is returned to player progress bar and show.If there is not corresponding video preview content in buffer memory, convert described video observing watching focus to video physical address, and obtain corresponding video data; Read afterwards the file header information of described video data, search in described file header information whether have document flow information; While having document flow information in described file header information, according to the corresponding decoder of described document flow information searching; By decoder, obtain described video data again, and the frame of video of the described video data of decoding, then the rendered formats of described video preview content is set, and fill described video preview content, export to cache module storage, so that user while dragging focus back and forth, carries out rapid preview.After obtaining video preview content, player progress bar still continues monitoring users behavior, when monitoring users is pressed " OK " key of remote controller, directly enter this displaying video, now user can export the second switching command by remote controller and controls player progress bar and switch to and show the progress pattern that inserts.If user continues to drag the focus of player progress bar, continue to monitor the shift position of focus, convert the position of focus to video observing watching focus, and in buffer memory, search whether there be the video preview content corresponding with described video observing watching focus.When player progress bar is video preview pattern, before the instruction of " OK " key output of not receiving remote controller, video-frequency playing content can not be subject to the impact of the position of Focal Point Shift, until receive after the instruction of " OK " key output of remote controller, from certain point, starts to watch video.
In sum, video previewing method and the intelligent television based on Android platform of the present invention, solves the application of video playback on existing Android TV platform effectively, can not preview Internet video and the problem of local video content.The present invention can be in displaying video, the functional mode of manual switchover player progress bar, when being video preview pattern, user controls the Focal Point Shift on player progress bar, in moving focal point, preview video module by focus position corresponding watch the physical address that a little converts video reality to, extract the video thumbnails of correspondence position, and be decoded into bitmap and return to player interface and show (returning to player progress bar shows), thereby the function of having enriched Android platform video player, has promoted user's experience.
Be understandable that, for those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection range of the appended claim of the present invention.

Claims (10)

1. the video previewing method based on Android platform, is characterized in that, comprising:
A, when video player is opened, initialization video preview function;
B, receive user's output player progress bar is switched to the first switching command of video preview pattern, whether the focus that detects player progress bar moves;
C, when the Focal Point Shift of player progress bar, position when focus is stopped converts video observing watching focus to, and in buffer memory, searches whether there be the video preview content corresponding with described video observing watching focus; If nothing, performs step D; If have, execution step E;
D, obtain and the corresponding video data of video observing watching focus, the described video data of decoding obtains corresponding video preview content, and performs step E;
E, described video preview content is returned to player progress bar show.
2. the video previewing method based on Android platform according to claim 1, is characterized in that, described step C specifically comprises:
C1, when the Focal Point Shift of player progress bar, judge whether player progress bar is video preview pattern;
C2, if so, convert the position of focus to video observing watching focus, and in buffer memory, search whether there be the video preview content corresponding with described video observing watching focus; If nothing, performs step D; If have, execution step E.
3. the video previewing method based on Android platform according to claim 2, is characterized in that, described step C2 also comprises:
If not, convert the position of focus to video observing watching focus, from this video observing watching focus, start displaying video.
4. the video previewing method based on Android platform according to claim 1, is characterized in that, described step D specifically comprises:
D1, convert described video observing watching focus to video physical address, and obtain corresponding video data based on described video physical address;
D2, read the file header information of described video data, search in described file header information whether have document flow information; While having document flow information in described file header information, according to the corresponding decoder of described document flow information searching;
D3, by the described decoder described video data of decoding, obtain the video preview content corresponding with described video observing watching focus.
5. the video previewing method based on Android platform according to claim 4, is characterized in that, described step D3 specifically comprises:
D31, decoder obtain described video data, and the frame of video of the described video data of decoding obtains corresponding video preview content;
D32, the rendered formats of described video preview content is set, and fills described video preview content.
6. the video previewing method based on Android platform according to claim 1, is characterized in that, after described step e, also comprises;
F, judge that whether user is from this video-see point displaying video; If so, from this video-see point displaying video, if not, restart video preview content, return to described step C.
7. the video previewing method based on Android platform according to claim 6, is characterized in that, in described step F, describedly from this video-see point displaying video, specifically comprises:
F1, after confirming the position of described focus, a corresponding displaying video of watching from the position of focus;
F2, reception user output switch to player progress bar to show the second switching command that inserts progress pattern.
8. the intelligent television based on Android platform, is characterized in that, comprising:
Video player, for the video that displays the play; On described video player, be provided with player progress bar, for the focal position correspondence of the progress of displaying the play and player progress bar, watch video preview content a little; This video player comprises video preview interface, for calling video preview content, returns to player progress bar and shows;
Android player module, for displaying video, and receive user's output player progress bar is switched to the first switching command of video preview pattern;
Detection module, for detection of the shift position of the focus of player progress bar;
Video preview module, the position when focus is stopped converts video observing watching focus to, and in cache module, searches whether there be the video preview content corresponding with described video observing watching focus;
Decoder, for obtaining the video data corresponding with video observing watching focus, and the described video data of decoding obtains the video preview content corresponding with described video observing watching focus.
9. the intelligent television based on Android platform according to claim 8, is characterized in that, also comprises:
Actuation means, for to described intelligent television sending controling instruction, controls the play mode of player progress bar, and controls the Focal Point Shift of player progress bar.
10. the intelligent television based on Android platform according to claim 8, is characterized in that, described video preview module comprises:
Address conversioning unit, for converting described video observing watching focus to video physical address;
Acquiring unit, for obtaining and the corresponding video data of described video observing watching focus;
Search unit, for reading the file header information of described video data, search in described file header information whether have document flow information; And while having document flow information in described file header information, according to the corresponding decoder of described document flow information searching.
CN201310358078.6A 2013-08-16 2013-08-16 Android platform based video preview method and smart television Pending CN103546813A (en)

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