CN105721921A - Self-adaptive selection method for multi-window video decoder - Google Patents
Self-adaptive selection method for multi-window video decoder Download PDFInfo
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- CN105721921A CN105721921A CN201610064017.2A CN201610064017A CN105721921A CN 105721921 A CN105721921 A CN 105721921A CN 201610064017 A CN201610064017 A CN 201610064017A CN 105721921 A CN105721921 A CN 105721921A
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- decoder
- multiwindow
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Classifications
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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
-
- 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
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
- H04N21/4438—Window management, e.g. event handling following interaction with the user interface
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
Abstract
The invention relates to the technical field of smart televisions, and discloses a self-adaptive selection method for a multi-window video decoder. The self-adaptive selection method for the multi-window video decoder disclosed by the invention solves the play resource conflict problem when a smart television terminal runs multiple video applications in multiple windows and plays a video simultaneously in the traditional technology. The method comprises the following steps that: a hard decoder resource state list is established for all hard video decoders of a television chip; the hard decoder resource state list is updated in real time; and, when a player receives a video playing request, the decoder provides a decoder resource, which the player should select, and an adjustment strategy of a resource currently used by the decoder by combining the hard decoder resource state list with a multi-window state fed back by a multi-window state inquiry interface module as the judgement basis in cooperation with a switching module. The self-adaptive selection method for the multi-window video decoder disclosed by the invention is suitable for multi-window playing of the smart television.
Description
Technical field
The present invention relates to intelligent television technical field, be specifically related to the adaptive selection method of a kind of multiwindow Video Decoder.
Background technology
Along with the development of intelligent television technology, the large-size screen monitors feature of TV is used gradually.Some television terminal products start with multi-windowing realize a screen and enjoy function more.One screen is enjoyed function more and is greatly improved the viewing experience of TV user, such as: user watches programme televised live when running into advertisement, live signal can narrow down to wicket play, and full screen window goes to play other content, switches to full frame viewing again after treating living broadcast advertisement；When multiple users think the different content watching on TV simultaneously, it is possible to TV being carried out split screen, is divided into multiple window, different contents play by each window；The content that photographic head shoots while watching TV programme, can be shown in screen edge and monitoring in real time by user in the way of wicket.
Multi-windowing can allow and show in television terminal screen simultaneously, runs multiple application program.When multiple windows run Video Applications broadcasting video simultaneously, inevitably running into playing resource collision problem, this will largely limit the application scenarios that a screen is enjoyed more.In order to evade this problem, conventional art only allows user play video content in a window or the video content of multiwindow broadcasting is limited when a screen is enjoyed more, and which can affect the viewing experience of user.Additionally, also by selecting to support that the chip of multichannel hard decoder realizes a screen and enjoys function more in conventional art, hardware cost so can be increased.
Summary of the invention
The technical problem to be solved is: propose the adaptive selection method of a kind of multiwindow Video Decoder, solves Intelligent television terminal in conventional art and runs multiple Video Applications under multiwindow, plays playing resource collision problem during video simultaneously.
The technical solution adopted for the present invention to solve the technical problems is: the adaptive selection method of a kind of multiwindow Video Decoder, it is applied to include decoder select and in the audio/video player system of handover module, hard decoders resource status list and multiwindow status poll interface module, described decoder selects and handover module, is used for as video player selection, switching encoding/decoding device resource；Described hard decoders resource status list, for indicating the duty of hardware video decoder in real time；Described multiwindow status poll interface module is used for feeding back multiwindow state；
The method includes:
Hard decoders resource status list, real-time update hard decoders resource status list is set up for TV chip all hardware Video Decoder；When player receives video playback request, decoder selects to combine as basis for estimation with handover module by the multiwindow state that hard decoders resource status list is fed back with multiwindow status poll interface module, provide the decoder resources that player should select, and provide the adjustable strategies that current decoder is used resource.
Further, in described hard decoders resource status list, it is numbered for TV chip all hardware Video Decoder, numbers from 1, the corresponding hardware video decoder of each numbering；Each numbering is followed by a mode bit, and mode bit is for identifying the service condition of the hard decoders of corresponding numbering, and 0 represents the free time；1 represents in use.
Further, the method of described real-time update hard decoders resource status list is: when any one hardware video decoder service condition changes, and updates numbering corresponding with the hard decoders that service condition changes in hard decoders resource status list mode bit below.
Further, described decoder selects to be responsible for, with handover module, the decoder that the video selection of request broadcasting is suitable for, and current decoder resource is adjusted.
Further, described applicable decoder, refer to and select between hardware video decoder and software video decoder；And in hardware video decoder, preferentially select idling-resource, if enable software video decoder again without idling-resource, to ensure playing efficiency, make full use of hardware video decoder and alleviate CPU workload.
Further, the video playback request that described player receives derives from three kinds of Video Applications: application is play in signal source application, local video, Internet video plays application.
Further, described signal source is applied, and refers to the application for playing the information source channel videos such as TV, HDMI, YPbPr, AV, VGA.
Further, whether the video content that described multiwindow state is play for identifying current request plays out in multiwindow；Multiwindow state is 0 expression list Window state；Multiwindow state is 1 expression multiwindow state；Multiwindow is asked to be play when multiwindow state is 2 expression list Window state.
Further, described decoder resources includes TV chip all hard decoders resource and soft decoder resources.
Further, described decoder selects to combine as basis for estimation with handover module by the multiwindow state that hard decoders resource status list is fed back with multiwindow status poll interface module, provide the decoder resources that player should select, and provide the adjustable strategies that current decoder is used resource, concrete grammar includes:
If multiwindow state is 0, hard decoders 1 related resource is used to be decoded playing；
If multiwindow state is 1, inquire about hard decoders resource status list, available free resource, then use idle hard decoders related resource to be decoded playing；
If multiwindow state is 1, inquiring about hard decoders resource status list, without idling-resource, request video is signal source, then release and hard decoders 1 related resource are for play signal source；The video taking hard decoders 1 is used instead the decoding of soft decoder play；
If multiwindow state is 1, inquiring about hard decoders resource status list, without idling-resource, request video is local media or Internet video, then use soft decoder to be decoded playing.
The invention has the beneficial effects as follows:
Can according to the actually used situation of TV chip Video Decoder, dynamically select, switch decoder resources required during multiwindow video playback, it is prevented effectively from resource and uses conflict, make a screen enjoy function more and can play the Video Applications of combination in any between multiwindow and unrestricted, bring multi-window operation more freely for user.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of multiwindow Video Decoder adaptive selection method in the embodiment of the present invention；
Fig. 2 is the logic chart of multiwindow Video Decoder adaptive selection method in the embodiment of the present invention.
Detailed description of the invention
It is contemplated that propose the adaptive selection method of a kind of multiwindow Video Decoder, solve Intelligent television terminal in conventional art under multiwindow, run multiple Video Applications, play playing resource collision problem during video simultaneously.
Below in conjunction with drawings and Examples, the solution of the present invention is described in further detail:
Fig. 1 illustrates the principle of the Video Decoder adaptive selection method of this example, and this example comprises three comprising modules: decoder selects and handover module, multiwindow status poll interface module and hard decoders resource list module.
Decoder selects and handover module, it is positioned at inside player, after player receives playing request, before application decoder resources, need to call decoder to select and handover module, providing now suitable decoder resources and broadcast strategy, player selects to play out resource bid and broadcasting with the result of handover module feedback according to decoder.Decoder selects according to multiwindow status poll interface module and hard decoders resource status list block particular state at that time, the logic shown in Fig. 2 with handover module, provides decoder resources and broadcast strategy that currently playing application is suitable for using.
Multiwindow status poll interface module, maintains the system property of a reaction multiwindow state.When multiwindow state changes, this module changes this system property in time.When decoder selects with handover module inquiry multiwindow state, current system property value is fed back to decoder and selects and handover module by multiwindow status poll interface module.This system property has state value in 3: 0 represents single Window state；1 represents multiwindow state；2 represent request multiwindow broadcasting during single Window state.
Hard decoders resource status list block, maintain a hard decoders resource status list, this list is set up when system initialization, and the quantity of scanning TV SoC chip internal hardware Video Decoder builds up a List being key-value pair with<hard decoders numbering, state>.When any one hardware video decoder uses state to change, the state value of decoder number corresponding in time update List, select to inquire about at any time with handover module for decoder.
Fig. 2 illustrates the Video Decoder adaptive selection method logic chart of this example.After decoder selects and handover module gets current multiwindow state and hard decoders resource status, for currently playing application, provide now suitable decoder resources and broadcast strategy according to following logic:
After player receives video playback request,
Logic 1: multiwindow state is 0, uses hard decoders 1 related resource to be decoded playing；
Logic 2: multiwindow state is 1, inquires about hard decoders resource status list, available free resource, then use idle hard decoders related resource to be decoded playing；
Logic 3: multiwindow state is 1, inquires about hard decoders resource status list, and without idling-resource, request video is signal source, then release and hard decoders 1 related resource are for play signal source；The video taking hard decoders 1 is used instead the decoding of soft decoder play；
Logic 4: multiwindow state is 1, inquires about hard decoders resource status list, and without idling-resource, request video is local media or Internet video, then use soft decoder to be decoded playing.
Claims (10)
1. the adaptive selection method of a multiwindow Video Decoder, it is characterized in that, it is applied to include decoder select and in the audio/video player system of handover module, hard decoders resource status list and multiwindow status poll interface module, described decoder selects and handover module, is used for as video player selection, switching encoding/decoding device resource；Described hard decoders resource status list, for indicating the duty of hardware video decoder in real time；Described multiwindow status poll interface module is used for feeding back multiwindow state；
The method includes:
Hard decoders resource status list, real-time update hard decoders resource status list is set up for TV chip all hardware Video Decoder；When player receives video playback request, decoder selects to combine as basis for estimation with handover module by the multiwindow state that hard decoders resource status list is fed back with multiwindow status poll interface module, provide the decoder resources that player should select, and provide the adjustable strategies that current decoder is used resource.
2. the adaptive selection method of a kind of multiwindow Video Decoder as claimed in claim 1, it is characterized in that, in described hard decoders resource status list, be numbered for TV chip all hardware Video Decoder, number from 1, the corresponding hardware video decoder of each numbering；Each numbering is followed by a mode bit, and mode bit is for identifying the service condition of the hard decoders of corresponding numbering, and 0 represents the free time；1 represents in use.
3. the adaptive selection method of a kind of multiwindow Video Decoder as claimed in claim 1, it is characterized in that, the method of described real-time update hard decoders resource status list is: when any one hardware video decoder service condition changes, and updates numbering corresponding with the hard decoders that service condition changes in hard decoders resource status list mode bit below.
4. the adaptive selection method of a kind of multiwindow Video Decoder as claimed in claim 1, it is characterised in that described decoder selects to be responsible for, with handover module, the decoder that the video selection of request broadcasting is suitable for, and current decoder resource is adjusted.
5. the adaptive selection method of a kind of multiwindow Video Decoder as claimed in claim 4, it is characterised in that described applicable decoder, refers to and selects between hardware video decoder and software video decoder；And in hardware video decoder, preferentially select idling-resource, if enable software video decoder again without idling-resource.
6. the adaptive selection method of a kind of multiwindow Video Decoder as claimed in claim 1, it is characterized in that, the video playback request that described player receives derives from three kinds of Video Applications: application is play in signal source application, local video, Internet video plays application.
7. the adaptive selection method of a kind of multiwindow Video Decoder as claimed in claim 6, it is characterised in that described signal source is applied, and refers to the application for playing the information source channel videos such as TV, HDMI, YPbPr, AV, VGA.
8. the adaptive selection method of a kind of multiwindow Video Decoder as claimed in claim 1, it is characterised in that whether the video content that described multiwindow state is play for identifying current request plays out in multiwindow；Multiwindow state is 0 expression list Window state；Multiwindow state is 1 expression multiwindow state；Multiwindow is asked to be play when multiwindow state is 2 expression list Window state.
9. the adaptive selection method of a kind of multiwindow Video Decoder as claimed in claim 1, it is characterised in that, described decoder resources includes TV chip all hard decoders resource and soft decoder resources.
10. the adaptive selection method of a kind of multiwindow Video Decoder as claimed in claim 1, it is characterized in that, described decoder selects to combine as basis for estimation with handover module by the multiwindow state that hard decoders resource status list is fed back with multiwindow status poll interface module, provide the decoder resources that player should select, and provide the adjustable strategies that current decoder is used resource, concrete grammar includes:
If multiwindow state is 0, hard decoders 1 related resource is used to be decoded playing；
If multiwindow state is 1, inquire about hard decoders resource status list, available free resource, then use idle hard decoders related resource to be decoded playing；
If multiwindow state is 1, inquiring about hard decoders resource status list, without idling-resource, request video is signal source, then release and hard decoders 1 related resource are for play signal source；The video taking hard decoders 1 is used instead the decoding of soft decoder play；
If multiwindow state is 1, inquiring about hard decoders resource status list, without idling-resource, request video is local media or Internet video, then use soft decoder to be decoded playing.
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| CN106303632A (en) * | 2016-08-23 | 2017-01-04 | 暴风集团股份有限公司 | Data are carried out piecemeal and flies the method and system that screen is play |
| CN106534935A (en) * | 2016-11-15 | 2017-03-22 | 青岛海信电器股份有限公司 | Method and device for controlling hardware resource conflict |
| CN106792192A (en) * | 2016-12-21 | 2017-05-31 | 深圳Tcl数字技术有限公司 | DTV multiwindow player method and device |
| CN107404654A (en) * | 2017-08-23 | 2017-11-28 | 郑州云海信息技术有限公司 | A kind of jpeg image decompression method, device and platform |
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| CN108848386A (en) * | 2018-06-26 | 2018-11-20 | 深圳智锐通科技有限公司 | Hybrid decoding method across multi -CPU and more GPU chips |
| CN109120988A (en) * | 2018-08-23 | 2019-01-01 | Oppo广东移动通信有限公司 | Coding/decoding method, device, electronic equipment and storage medium |
| CN109218763A (en) * | 2018-11-12 | 2019-01-15 | 青岛海信传媒网络技术有限公司 | A kind of method and smart television of streaming media video switching |
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| CN109640192A (en) * | 2018-12-26 | 2019-04-16 | 深圳创维－Rgb电子有限公司 | Video player optimization method, device, playback terminal and storage medium |
| CN110149544A (en) * | 2018-02-13 | 2019-08-20 | 阿里巴巴集团控股有限公司 | The method, apparatus and storage medium of video playing |
| CN110572622A (en) * | 2019-09-30 | 2019-12-13 | 威创集团股份有限公司 | Video decoding method and device |
| CN112309383A (en) * | 2019-08-01 | 2021-02-02 | 北京声智科技有限公司 | Voice interaction method and device and set top box |
| CN113301346A (en) * | 2021-05-11 | 2021-08-24 | 随锐科技集团股份有限公司 | Method and device for playing multi-channel video in hybrid mode based on android terminal soft and hard decoding |
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| CN115002521A (en) * | 2022-05-25 | 2022-09-02 | 三星电子（中国）研发中心 | Multi-view resource allocation method and device |
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| CN106303632B (en) * | 2016-08-23 | 2019-03-29 | 暴风集团股份有限公司 | Piecemeal is carried out to data and flies the method and system that screen plays |
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| CN109218763A (en) * | 2018-11-12 | 2019-01-15 | 青岛海信传媒网络技术有限公司 | A kind of method and smart television of streaming media video switching |
| CN109640179B (en) * | 2018-11-27 | 2020-09-22 | Oppo广东移动通信有限公司 | Video decoding control method and device and electronic equipment |
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| CN109640179A (en) * | 2018-11-27 | 2019-04-16 | Oppo广东移动通信有限公司 | Video frequency decoding control method, device and electronic equipment |
| US11456013B2 (en) | 2018-11-27 | 2022-09-27 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Video decoding control method, electronic device, and storage medium |
| CN109640192A (en) * | 2018-12-26 | 2019-04-16 | 深圳创维－Rgb电子有限公司 | Video player optimization method, device, playback terminal and storage medium |
| CN109640192B (en) * | 2018-12-26 | 2021-07-20 | 深圳创维－Rgb电子有限公司 | Video player optimization method and device, playing terminal and storage medium |
| CN112309383A (en) * | 2019-08-01 | 2021-02-02 | 北京声智科技有限公司 | Voice interaction method and device and set top box |
| CN110572622A (en) * | 2019-09-30 | 2019-12-13 | 威创集团股份有限公司 | Video decoding method and device |
| CN113301346A (en) * | 2021-05-11 | 2021-08-24 | 随锐科技集团股份有限公司 | Method and device for playing multi-channel video in hybrid mode based on android terminal soft and hard decoding |
| CN114025170A (en) * | 2021-11-30 | 2022-02-08 | 深圳Tcl新技术有限公司 | Video playing method and device, computer equipment and computer readable storage medium |
| CN115002521A (en) * | 2022-05-25 | 2022-09-02 | 三星电子（中国）研发中心 | Multi-view resource allocation method and device |
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