CN105704505B - A kind of method and Intelligent television terminal that full media play is supported in intelligent television operating system - Google Patents
A kind of method and Intelligent television terminal that full media play is supported in intelligent television operating system Download PDFInfo
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- CN105704505B CN105704505B CN201610077701.4A CN201610077701A CN105704505B CN 105704505 B CN105704505 B CN 105704505B CN 201610077701 A CN201610077701 A CN 201610077701A CN 105704505 B CN105704505 B CN 105704505B
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/226—Characteristics of the server or Internal components of the server
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2385—Channel allocation; Bandwidth allocation
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/2665—Gathering content from different sources, e.g. Internet and satellite
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4108—Peripherals receiving signals from specially adapted client devices characterised by an identification number or address, e.g. local network address
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
- H04N21/42607—Internal components of the client ; Characteristics thereof for processing the incoming bitstream
-
- 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
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
- H04N21/4385—Multiplex stream processing, e.g. multiplex stream decrypting
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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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4622—Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
A kind of method that full media play is supported in intelligent television operating system, in response to the media play request by different media play applications triggers, full media services interface-client corresponding with media play application sends play instruction to full media services interface service end, and the play instruction includes medium resource identification (URI)；Service interface service end records the corresponding relation between the service interface client and media play request, and the play instruction is sent into media play adaptation module；Medium type represented by medium resource identification URI of the media play adaptation module in the play instruction starts the media player of respective type；The media player generates media play pipeline corresponding with the medium type by the media elements manager includes corresponding with the medium type source of media, demultiplexing, decoding and output element；Wherein described media elements manager includes multiple source of media, demultiplexing, decoding and the output element for being adapted to various medium types.
Description
Technical field
The present invention relates to technical field of media play, in particular it relates to which one kind is in intelligent television operating system
The middle method and Intelligent television terminal for supporting full media play.
Background technology
Currently, the propulsion of Media Convergence process also promotes the intelligent terminals such as Intelligent set top box, TV integrated machine in business
The fusion of aspect, by intelligent terminal provide the user digital TV direct, program request, internet television, IPTV, across screen it is interactive,
The amalgamation media such as WMG, video communication business function turns into inevitable development trend.
Fusion of the intelligent terminal in terms of media business function it is also proposed higher requirement to media processing capacity, but existing
Intelligent terminal unified media handling mechanism is also failed in operating system aspect.In general, simply various functions
Directly pile up, the plug stiff equivalent to the function original various terminals is unfavorable for amalgamation media business into a terminal
Sustainable development.For example the media player that digital TV direct function is typically all provided using chip manufacturer directly invokes bottom
The decoding function of layer hardware；Internet television function typically all uses software mode, and there is a variety of media players；
And the implementation of WMG and video call function is even more multifarious.This is to amalgamation media service application in different terminals
On adaptation and meet adaptation of the DRM solution on various different terminals that the content suppliers such as Hollywood require very
It is difficult, it is often necessary to safeguard a variety of versions to adapt to the bottom architecture of a variety of media handlings and media play.
Therefore need to propose a kind of method for supporting full media play in intelligent television operating system.
The content of the invention
According to an aspect of the present invention, there is provided a kind of side that full media play is supported in intelligent television operating system
Method, the intelligent television operating system include full media services module, and the full media services module connects including full media services
Mouth client, full media services interface service end, media play adaptation module, media elements manager；Methods described is included such as
Lower step：
S1：Media play request in response to user by different media play applications triggers, should with the media play
Play instruction is sent to full media services interface service end, with corresponding full media services interface-client in the play instruction
Including medium resource identification (URI)；
S2：The full media services interface service end records the full media services interface-client and media play request
Between corresponding relation, and the play instruction is sent to media play adaptation module；
S3：Matchmaker represented by medium resource identification URI of the media play adaptation module in the play instruction
Body type starts the media player of respective type；
S4：The media player generates media play corresponding with the medium type by the media elements manager
Pipeline, the media play pipeline include corresponding with the medium type source of media, demultiplexing, decoding and output element；Wherein
The media elements manager includes being adapted to multiple source of media, demultiplexing, decoding and the output of various medium types
Element.
Preferably, wherein the media play is applied and Web class applications using java class is included.
Preferably, wherein the medium type includes：Live DTV, point broadcast digital television, internet television,
IPTV, across screen media, local media, amalgamation media.
Preferably, wherein the full media services interface-client include realizing live DTV, point broadcast digital television,
Internet television, IPTV, across screen media, local media, amalgamation media playback interface unit.
Preferably, wherein the full media services module also includes hardware resource management device, the hardware resource management device
For hardware resource used in managing each element in media elements manager, pass through request-distribution mechanism in step s 4
Allocate resources to respective element.
Preferably, wherein：The media source element, for according to media play instruction by with associated hardware resource and matchmaker
The interaction of body element manager determines that respective media plays the type of other elements in pipeline；
The demultiplex element, protocol analysis and/or tunneling parsing are fluidized for media；
The decoding element, the decoding for media audiovisual compression coding basic flow；
The output element, for decoded media audio/video frames to be output into audio frequency and video output hardware.
Preferably, wherein each element in the media play pipeline calls hardware resource management device to distribute by HAL layers
Hardware resource.
Preferably, wherein the media elements manager also includes the descrambling member for being adapted to live DTV medium type
Part；
When the medium type is live DTV, the media play pipeline also includes the descrambling element, institute
State the descrambling that descrambling element is used for scrambled number live telecast code stream.
Preferably, wherein the intelligent television operating system also includes credible performing environment, in the credible performing environment
Including hardware descrambler, the hardware demultiplexer needed for the demultiplex element and the decoding needed for the descrambling element
Hardware decoder needed for element；
The hardware descrambler of the descrambling element control under credible performing environment is to scrambled number live telecast code
Stream is descrambled, and the code stream after descrambling is stored in the secure storage areas managed by credible performing environment, the demultiplexing
The hardware demultiplexer of the element control under credible performing environment reads code stream and demultiplexed from the secure storage areas
Go out media audiovisual compression coding basic flow and be stored in the secure storage areas managed by credible performing environment, the solution symbol
The hardware decoder of the part control under credible performing environment reading media audiovisual compression from the secure storage areas is compiled
Code basic flow simultaneously decodes storage into the secure storage areas managed by credible performing environment.
Preferably, wherein the media elements manager also includes adaptation internet television or point broadcast digital television media class
The decryption element of type；
When the medium type is internet television or point broadcast digital television, the media play pipeline also includes described
Element is decrypted, the decryption element is used for an encryption TV/broadcast digital television media audiovisual compression coding basic flow
Decryption.
Preferably, wherein the intelligent television operating system also includes credible performing environment, in the credible performing environment
Including the hardware decrypter needed for the decryption element and the hardware decoder needed for the decoding element；
The hardware decrypter of the decryption element control under credible performing environment is to encryption TV/program request
DTV media audiovisual compression coding basic flow is decrypted, and is stored in what is managed by credible performing environment after decrypting
In secure storage areas, the hardware decoder of the decoding element control under the credible performing environment is deposited from the safety
Reading media audiovisual compression encodes basic flow and decodes storage to the secure storage areas managed by credible performing environment in storage area
In.
Preferably, wherein when the medium type is live DTV, the intelligent television operating system also includes number
Word television module, the digital television module are used to obtain, parse, store and failed to be sold at auction comprising video traffic identifier videoPid, audio
Know audioPid digital television programs information, the media player of the live DTV type is according to medium resource identification
(URI) inquired about to digital television module and obtain video traffic identifier videoPid, audio traffic identifier audioPid and set and arrive phase
In the demultiplex element for answering media play pipeline.
Preferably, when live DTV is scrambled number live telecast code stream, the digital television module is additionally operable to
Obtain, parse, storage includes digital television programs information, the media player root of the live DTV type needed for descrambling
According to digital television programs information needed for medium resource identification (URI) to digital television module inquiry descrambling and respective media is arrived in setting
In the demultiplex element for playing pipeline, the demultiplex element sets digital television programs information needed for the descrambling after demultiplexing
Into descrambling element.
Preferably, wherein when the medium type is broadcast digital television, the intelligent television operating system also includes number
Word television module, the digital television module are used to obtain, parse, store and failed to be sold at auction comprising video traffic identifier videoPid, audio
Know audioPid digital television programs information, the media player of described broadcast digital television type is according to medium resource identification
(URI) inquired about to digital television module and obtain video traffic identifier videoPid, audio traffic identifier audioPid and set and arrive phase
In the demultiplex element for answering media play pipeline.
Preferably, wherein when the medium type is internet television and use HLS protocol or MPEG-DASH agreements,
The media play pipeline includes media source element, the demultiplex element for the parsing of respective media streaming protocols, for corresponding
Demultiplex element, decoding element and the output element of tunneling parsing.
In addition, according to another aspect of the present invention, there is provided one kind supports full media to broadcast in intelligent television operating system
The Intelligent television terminal put, including full media services module, the full media services module include full media services interface client
End, full media services interface service end, media play adaptation module, media elements manager, the Intelligent television terminal are used for
Perform method as described before.
It was found by the inventors of the present invention that in the prior art, also propose a kind of branch without for intelligent television operating system
The method for holding full media play, live DTV is realized using a unified medium process module, puts broadcast digital television, mutual
Network television, IPTV, across screen media, local media, the media handling correlation function such as amalgamation media；In addition, medium process module
By realizing that the End-to-End Security of media is handled with interacting for bottom hardware；Pass through the safe matchmaker under the control of credible performing environment
Body path fashion avoids the buffering area copy problem during media handling, improves the security and efficiency of media handling.
Therefore, the technical assignment or technical problem to be solved that the present invention to be realized are that those skilled in the art never expect
Or it is not expected that, therefore the present invention is a kind of new technical scheme.
By referring to the drawings to the present invention exemplary embodiment detailed description, further feature of the invention and its
Advantage will be made apparent from.
Brief description of the drawings
It is combined in the description and the accompanying drawing of a part for constitution instruction shows embodiments of the invention, and even
It is used for the principle for explaining the present invention together with its explanation.
Fig. 1 shows the block diagram of the hardware configuration for the Intelligent television terminal 1000 that can realize embodiments of the invention.
Fig. 2 shows that the side of full media play is supported in execution according to embodiments of the present invention in intelligent television operating system
The Intelligent television terminal block diagram of method；
Fig. 3 is shown supports live DTV matchmaker according to the execution of example 1 of the present invention in intelligent television operating system
The Intelligent television terminal block diagram for the method that body plays；
Fig. 4 is shown supports some broadcast digital television matchmakers according to the execution of example 2 of the present invention in intelligent television operating system
The Intelligent television terminal block diagram for the method that body plays；
Fig. 5 is shown supports internet television medium according to the execution of example 3 of the present invention in intelligent television operating system
The Intelligent television terminal block diagram of the method for broadcasting.
Embodiment
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should be noted that：Unless have in addition
Body illustrates that the unlimited system of part and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The scope of invention.
The description only actually at least one exemplary embodiment is illustrative to be never used as to the present invention below
And its application or any restrictions that use.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
<Hardware configuration>
Fig. 1 is the block diagram for showing to realize the hardware configuration of the intelligent television 1000 of embodiments of the invention.
As shown in figure 1, intelligent television 1000 typically comprises the primary processor 1108 connected via system bus 1111, used
In the tuner 1101, demodulator 1102, nonvolatile memory 1109, demultiplexer 1103, the descrambler that receive TV signal
1104th, volatile memory 1105, decoder 1106, audio-video interface 1107 and other peripheral interfaces 1110, in TV and machine
Also include display 1200 in the integrated intelligent television of top box.
Intelligent operating system, application program, other program modules and some journeys are populated with nonvolatile memory 1109
Ordinal number evidence.
Intelligent television terminal shown in Fig. 1 is merely illustrative and is in no way intended to the present invention, its application or makes
Any restrictions.
<Embodiment>
According to an embodiment of the invention, as shown in Fig. 2 by taking Intelligent television terminal as an example, according to the present embodiment in intelligence
The method that full media play is supported in TV operation system, the intelligent television operating system be implemented on Intelligent television terminal it
In, Intelligent television terminal can be set top box or intelligent television all-in-one in one embodiment.The intelligent television operation
System includes full media services module 2200, and the full media services module includes full media services interface-client 2201, complete
Media services interface service end 2202, media play adaptation module 2203, media elements manager 2204.Methods described includes：
S1：In response to user by different media play application 2300-1,2300-2 ..., 2300-n triggering media
Playing request, full media services interface-client 2201-1,2201-2 corresponding with media play application ..., 2201-n to
Full media services interface service end 2202 sends play instruction, and the play instruction includes medium resource identification (URI).
Media play application 2300-1,2300-2 ..., 2300-n can be the application for realizing different media types, such as
Can be realize live DTV, point broadcast digital television, internet television, IPTV, across screen media, local media, fusion matchmaker
The media play application of body.And the media play application can be different programming types, such as it can be java class application
Can also be Web class applications, media play application can be mounted among the operating system of the intelligent television, can also
It is then to select and download then to be arranged on operating system in application shop by user.
User starts corresponding media play application according to the viewing demand of itself, such as when user wishes to watch live number
Need to start the media play application of live DTV type during word TV.User's selection needs to see in media play application
Media content is seen, triggers media play request.Media play request shows as play instruction, and the play instruction includes media
Resource identifiers, URIs.In the present embodiment, the application of different media types can have different medium resource identification symbol URI, example
Such as：When medium type is internet television, it is http to accord with URI corresponding to medium resource identification；Medium type is live numeral electricity
Apparent time, it is dvb to accord with URI corresponding to medium resource identification；When medium type is broadcast digital television, corresponding to medium resource identification
Symbol URI is vod, is file etc. corresponding to medium resource identification symbol URI when medium type is local media.
Correspondingly, media play request by media play using after being triggered by user, will be by should with the media play
With corresponding full media services interface-client 2201-1,2201-2 ..., 2201-n is to full media services interface service end
2202 send the play instruction, the full media services interface-client include realizing live DTV, point broadcast digital television,
Internet television, IPTV, across screen media, local media, amalgamation media playback interface unit.
, should corresponding to different media plays when user's media play request multiple by multiple media play applications triggers
Different full media services interface-clients can send respective media play to full media services interface service end respectively should
Media play request, to support the full media play of different media types.
In step S2：The full media services interface service end 2202 records the full media services interface-client
2201-1,2201-2 ..., the corresponding relation between 2201-n and media play request, and the play instruction is sent to matchmaker
Body plays adaptation module 2203；
The full media services interface service end 2202 is by before media play request and full media services interface-client
Corresponding relation record after can be with as needed to different media services interface-client feedback informations and state, example
Such as：Feedack and state can be broadcast state information, such as broadcasting, pause, F.F., rewind, live DTV and point
Frequency-locked state, programme information during broadcast digital television medium type etc., for controlling the full media play of different media types
And support media play application that corresponding programme information and state is presented.
In step S3：Medium resource identification URI of the media play adaptation module 2203 in the play instruction
Represented medium type starts the media player 2205-i of respective type.
In the present embodiment, media play adaptation module 2203 can start corresponding media according to different medium types and broadcast
Put device 2205.Such as：When medium type is internet television, it is http to accord with URI corresponding to medium resource identification, will start http
Media player；When medium type is live DTV, it is dvb to accord with URI corresponding to medium resource identification, will start dvb matchmaker
Body player；When medium type is broadcast digital television, it be vod to accord with URI corresponding to medium resource identification, will startup vod media
Player, when medium type is local media, it is file to accord with URI corresponding to medium resource identification, will start file media plays
Device etc..Media players different in the present invention will be set up and the adaptable media play pipe of the media play type
Road, to support corresponding media play type.
In step S4：The media player 2205-i passes through the media elements manager 2204 generation and the media class
Type corresponding media play pipeline 3000-i, the media play pipeline 3000-i include source of media corresponding with the medium type
3001-i, demultiplex element 3002-i, decoding element 3003-i and output element 3004-i；Wherein
The media elements manager 2204 include being adapted to multiple source of media of various medium types, demultiplexing, decoding and
Output element, and for element is loaded, combine and the message communicating of interelement and element state monitoring.It is for example, described
Media elements manager 2204 can include being adapted to live DTV, point broadcast digital television, internet television, IPTV, across screen
Media, local media, the various media source elements of amalgamation media, demultiplex element, decoding element and output element, except above-mentioned member
Outside part, the media elements manager 2204 can also include being used for the other elements that various medium types play, such as be adapted to
The descrambling element of digital TV direct medium type is adapted to decryption element of internet television or DTV medium type etc.,
It is recognised that in addition to the above-mentioned element listed, the media elements manager can also include other elements, as long as they are more
Needed during the broadcasting of extensive medium type to be used.Although furthermore, it is to be understood that uniformly it is referred to as media in the present embodiment
Source element, demultiplex element, decoding element, output element etc., but different medium types can correspond to difference in functionality and difference
Define the source element interacted with different hardware and software module, demultiplex element, decoding element, output element, and these yuan
Part can realize, realized by hardware can also be realized by software combination hardware by software.Therefore when media play adaptation mould
When block starts the media player of a certain type, the media player of the type determined that it is required, in media elements management
Media source element, demultiplex element, decoding element, output element and other elements in device is (if desired) respective specific
Type and matched hardware, and obtain and generate media play pipe accordingly by the media elements manager
Road.
Wherein, the media source element, for according to media play instruction by with associated hardware resource and media elements
Manager interaction determines that respective media plays the type of other elements in pipeline.The demultiplex element, fluidize and assist for media
View parsing and tunneling parsing.The decoding element, including video decoding and audio decoder element, for media audio frequency and video pressure
Reduce the staff the decoding of yard basic flow.The output element, including video frequency output and audio output element, for by decoded media
Audio/video frames are output to audio frequency and video output hardware.
Especially, in one embodiment, the full media services module also includes hardware resource management device 2206, described
Hardware resource management device 2206 be used to managing element in media elements manager used in hardware resource, lead in step s 4
Cross request-distribution mechanism and allocate resources to respective element.For example, it can will be adapted to the hardware demultiplexer point of internet television
Demultiplex element in dispensing media play pipeline, audio frequency and video output hardware distributed into output element etc..Further, it is described
Each element in media play pipeline calls the hardware resource that hardware resource management device distributes by HAL layers so that element with it is hard
There is the unified interface of standardization between part circuit, increase the scalability of media services module.
Embodiments of the invention have been described in conjunction with the accompanying above, with the continuous popularization of the integration of three networks, internet electricity
Broadcasting demand depending on various medium types such as, live DTV, point broadcast digital television, home gateways is more and more diversified.And
According to the method for the present embodiment, there is provided the solution from application to hardware view so that the matchmaker of various medium types
Body is played and can planned according to unified mechanism, has effectively been coordinated the relation between software and hardware, has been obtained full matchmaker
The solution of the fusion of body processing.
Embodiments of the invention have been described in conjunction with the accompanying above, and description is according to several medium types of the invention below
Example, example below will not be described in great detail with previous embodiment identical part.
<Example 1>
This example, describe the example of media playing method when medium type is live DTV.In medium type
For live DTV when, as shown in figure 3, the intelligent television operating system also includes digital television module 5000, the number
Word television module 5000 is used to obtain, parse, stored comprising video traffic identifier videoPid, audio traffic identifier audioPid number
Word TV program information, the media player of the live DTV type are electric to numeral according to medium resource identification (URI)
Depending on module polls and obtain video traffic identifier videoPid, audio traffic identifier audioPid and set to respective media play pipeline
Demultiplex element 3002-i in.
Further, when live DTV is scrambled number live telecast code stream, the media elements manager
2204 also include the descrambling element 3005-i of the live DTV medium type of adaptation, for scrambled number live telecast code stream
Descrambling, the media play pipeline of the live DTV type include descrambling element 3005-i.The digital television module
5000 are additionally operable to obtain, parse, store comprising digital television programs information, the matchmaker of the live DTV type needed for descrambling
Body player according to medium resource identification (URI) to digital television module 5000 inquiry descrambling needed for digital television programs information simultaneously
Respective media is set to play in the demultiplex element 3002-i of pipeline, the demultiplex element is by needed for the descrambling after demultiplexing
Digital television programs information is set into descrambling element 3005-i.
Especially, when live DTV is scrambled number live telecast code stream, generally there is demand at media play
The related media handling data of the media content obtained in variety of processes are protected during reason.Therefore the related matchmaker of media content
Body processing data needs to be protected using secure media path when being played in the intelligent television.
Therefore, the intelligent television operating system also includes credible performing environment, the credible performing environment includes and institute
State hardware resource, interactive interface and the SOS of intelligent television operating system isolation.It is described credible specific to this example
The hardware descrambler needed for the descrambling element, the hardware demultiplexing needed for the demultiplex element can be included in performing environment
Hardware decoder needed for device and the decoding element.The descrambling element 3005-i controls the institute under credible performing environment
State hardware descrambler to descramble scrambled number live telecast code stream, and the code stream after descrambling is stored in by credible execution ring
In the secure storage areas 4000 of border management, the demultiplex element 3002-i controls the hardware solution under credible performing environment
Multiplexer reads code stream from the secure storage areas 4000 and demultiplexed media audiovisual compression encodes basic flow and stored
In the secure storage areas 4000 managed by credible performing environment, the decoding element 3003-i controls are under credible performing environment
The hardware decoder reading media audiovisual compression coding basic flow and decode storage from the secure storage areas 4000
Into the secure storage areas 4000 managed by credible performing environment, used so that output element 3001-i is exported.
<Example 2>
This example, describe the example of media playing method when medium type is point broadcast digital television.
When medium type is point broadcast digital television, as shown in figure 4, the intelligent television operating system also includes numeral electricity
Depending on module 5000, the digital television module is used to obtain, parse, stores and failed to be sold at auction comprising video traffic identifier videoPid, audio
Know audioPid digital television programs information, the media player of described broadcast digital television type is according to medium resource identification
(URI) inquired about to digital television module 5000 and obtain video traffic identifier videoPid, audio traffic identifier audioPid and set
In the demultiplex element 3002-i that pipeline is played to respective media.
Further, the media elements manager 2204 includes the decryption element of adaptation point broadcast digital television medium type
Part 3007-i, for the decryption of pass point broadcast digital television media audiovisual compression coding basic flow, described broadcast digital television
The media play pipeline of type includes decryption element 3007-i.
Especially, generally in broadcast digital television, media content data passes through key encryption.Therefore, having needs
Seek the media handling data for protecting the media content obtained in variety of processes related in media play processing procedure.Therefore matchmaker
Holding in vivo when related media handling data are played in the intelligent television needs to be protected using secure media path.
Therefore, the intelligent television operating system also includes credible performing environment, the credible performing environment includes and institute
State hardware resource, interactive interface and the SOS of intelligent television operating system isolation.In the present example, it is described credible to hold
The hardware decrypter needed for the decryption element and the hardware decoder needed for the decoding element can be included in row environment.
The hardware decrypter of the decryption element 3007-i controls under credible performing environment is to pass point broadcast digital television media
Audiovisual compression coding basic flow is decrypted, and is stored in the secure storage areas managed by credible performing environment after decrypting
In 4000, the hardware decoder of the decoding element 3003-i controls under the credible performing environment is deposited from the safety
Reading media audiovisual compression encodes basic flow and decodes storage and deposited to the safety managed by credible performing environment in storage area 4000
In storage area 4000, used so that output element 3001-i is exported.
<Example 3>
This example, describe the example of media playing method when medium type is internet television.
When medium type is internet, as shown in figure 5, the media elements manager 2204 includes adaptation internet electricity
Depending on the decryption element 3007-i of medium type, the decryption of basic flow is encoded for encryption TV media audiovisual compression,
The media play pipeline of the internet television type includes decryption element 3007-i.
Especially, generally in internet television, media content data passes through key encryption.Therefore, there is demand
The related media handling data of the media content obtained in variety of processes are protected in media play processing procedure.Therefore media
Content related media handling data need to be protected using secure media path when being played in the intelligent television.
Therefore, the intelligent television operating system also includes credible performing environment, the credible performing environment includes and institute
State hardware resource, interactive interface and the SOS of intelligent television operating system isolation.In the present example, it is described credible to hold
The hardware decrypter needed for the decryption element and the hardware decoder needed for the decoding element can be included in row environment.
The hardware decrypter of the decryption element 3007-i controls under credible performing environment is to encryption TV media sound
Video compression coding basic flow is decrypted, and is stored in the secure storage areas 4000 managed by credible performing environment after decrypting
In, the hardware decoder of the element 3003-i controls under the credible performing environment that decode is from the secure storage areas
Reading media audiovisual compression encodes basic flow and decodes storage to the secure storage areas managed by credible performing environment in 4000
In 4000, used so that output element 3001-i is exported.
In one more specifically example, when medium type be internet television and using HTTP transmission MPEG-2TS,
During the files such as MP4, FLV, only with for the envelope in the media play pipeline of the media player of the internet television type
Fill the demultiplex element of protocol analysis.When the medium type is internet television and uses HLS protocol or MPEG-DASH agreements
When, the media play pipeline includes being used for the demultiplex element of respective media streaming protocols parsing and for corresponding tunneling
The demultiplex element of parsing, the demultiplex element for media fluidisation protocol analysis is using processing HLS or MPEG-DASH associations
The demultiplex element of parsing is discussed, the demultiplex element for tunneling parsing uses processing MPEG-2TS or MP4 solution
Multiplex element.
The media playing method is illustrated only for the example of several typical medium types above, this area
Those of ordinary skill the media playing methods of various medium types can be obtained according to above-mentioned example and previous embodiment.
In addition, a kind of Intelligent television terminal that full media play is supported in intelligent television operating system is also provided, including
Full media services module, the full media services module include full media services interface-client, full media services interface service
End, media play adaptation module, media elements manager, the intelligent television are used to perform such as method as described before.
The present invention can be system, method and/or computer program product.Computer program product can include computer
Readable storage medium storing program for executing, containing for making processor realize the computer-readable program instructions of various aspects of the invention.
Computer-readable recording medium can keep and store to perform the tangible of the instruction that uses of equipment by instruction
Equipment.Computer-readable recording medium for example can be-- but be not limited to-- storage device electric, magnetic storage apparatus, optical storage
Equipment, electromagnetism storage device, semiconductor memory apparatus or above-mentioned any appropriate combination.Computer-readable recording medium
More specifically example (non exhaustive list) includes：Portable computer diskette, hard disk, random access memory (RAM), read-only deposit
It is reservoir (ROM), erasable programmable read only memory (EPROM or flash memory), static RAM (SRAM), portable
Compact disk read-only storage (CD-ROM), digital versatile disc (DVD), memory stick, floppy disk, mechanical coding equipment, for example thereon
It is stored with punch card or groove internal projection structure and the above-mentioned any appropriate combination of instruction.Calculating used herein above
Machine readable storage medium storing program for executing is not construed as instantaneous signal in itself, the electromagnetic wave of such as radio wave or other Free propagations, leads to
Cross the electromagnetic wave (for example, the light pulse for passing through fiber optic cables) of waveguide or the propagation of other transmission mediums or transmitted by electric wire
Electric signal.
Computer-readable program instructions as described herein can be downloaded to from computer-readable recording medium it is each calculate/
Processing equipment, or outer computer or outer is downloaded to by network, such as internet, LAN, wide area network and/or wireless network
Portion's storage device.Network can include copper transmission cable, optical fiber is transmitted, is wirelessly transferred, router, fire wall, interchanger, gateway
Computer and/or Edge Server.Adapter or network interface in each calculating/processing equipment receive from network to be counted
Calculation machine readable program instructions, and the computer-readable program instructions are forwarded, for the meter being stored in each calculating/processing equipment
In calculation machine readable storage medium storing program for executing.
For perform the computer program instructions that operate of the present invention can be assembly instruction, instruction set architecture (ISA) instruction,
Machine instruction, machine-dependent instructions, microcode, firmware instructions, condition setup data or with one or more programming languages
The source code or object code that any combination is write, programming language of the programming language including object-oriented-such as
Smalltalk, C++ etc., and conventional procedural programming languages-such as " C " language or similar programming language.Computer
Readable program instructions fully can on the user computer perform, partly perform on the user computer, be only as one
Vertical software kit performs, part performs or completely in remote computer on the remote computer on the user computer for part
Or performed on server.In the situation of remote computer is related to, remote computer can pass through network-bag of any kind
LAN (LAN) or wide area network (WAN)-be connected to subscriber computer are included, or, it may be connected to outer computer (such as profit
Pass through Internet connection with ISP).In certain embodiments, by using computer-readable program instructions
Status information carry out personalized customization electronic circuit, such as PLD, field programmable gate array (FPGA) or can
Programmed logic array (PLA) (PLA), the electronic circuit can perform computer-readable program instructions, so as to realize each side of the present invention
Face.
Referring herein to method, apparatus (system) and computer program product according to embodiments of the present invention flow chart and/
Or block diagram describes various aspects of the invention.It should be appreciated that each square frame and flow chart of flow chart and/or block diagram and/
Or in block diagram each square frame combination, can be realized by computer-readable program instructions.
These computer-readable program instructions can be supplied at all-purpose computer, special-purpose computer or other programmable datas
The processor of device is managed, so as to produce a kind of machine so that these instructions are at by computer or other programmable datas
Manage device computing device when, generate function specified in one or more of implementation process figure and/or block diagram square frame/
The device of action.These computer-readable program instructions can also be stored in a computer-readable storage medium, these instructions
So that computer, programmable data processing unit and/or other equipment work in a specific way, so as to be stored with the meter of instruction
Calculation machine computer-readable recording medium then includes a manufacture, and it includes advising in one or more of implementation process figure and/or block diagram square frame
The instruction of the various aspects of fixed function/action.
Computer-readable program instructions can also be loaded into computer, other programmable data processing units or other
In equipment so that series of operation steps is performed on computer, other programmable data processing units or miscellaneous equipment, with production
Raw computer implemented process, so that performed on computer, other programmable data processing units or miscellaneous equipment
Instruct function/action specified in one or more of implementation process figure and/or block diagram square frame.
Flow chart and block diagram in accompanying drawing show system, method and the computer journey of multiple embodiments according to the present invention
Architectural framework in the cards, function and the operation of sequence product.At this point, each square frame in flow chart or block diagram can generation
One module of table, program segment or a part for instruction, the module, program segment or a part for instruction include one or more use
In the executable instruction of logic function as defined in realization.At some as the function of in the realization replaced, being marked in square frame
Can be with different from the order marked in accompanying drawing generation.For example, two continuous square frames can essentially be held substantially in parallel
OK, they can also be performed in the opposite order sometimes, and this is depending on involved function.It is also noted that block diagram and/or
The combination of each square frame and block diagram in flow chart and/or the square frame in flow chart, function or dynamic as defined in performing can be used
The special hardware based system made is realized, or can be realized with the combination of specialized hardware and computer instruction.It is right
It is well known that, realized for those skilled in the art by hardware mode, realized by software mode and by software and
It is all of equal value that the mode of combination of hardware, which is realized,.
It is described above various embodiments of the present invention, described above is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.In the case of without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes will be apparent from for the those of ordinary skill in art field.The selection of term used herein, purport
Best explaining the principle of each embodiment, practical application or to the technological improvement in market, or make the art its
Its those of ordinary skill is understood that each embodiment disclosed herein.The scope of the present invention is defined by the appended claims.
Claims (15)
1. a kind of method that full media play is supported in intelligent television operating system, the intelligent television operating system includes complete
Media services module, the full media services module include full media services interface-client, full media services interface service end,
Media play adaptation module, media elements manager；Methods described comprises the following steps：
S1：Media play request in response to user by different media play applications triggers, with the media play application phase
The full media services interface-client answered sends play instruction to full media services interface service end, and the play instruction includes
Medium resource identification (URI)；
S2：The full media services interface service end records described complete between media services interface-client and media play request
Corresponding relation, and the play instruction is sent to media play adaptation module；
S3：Media class represented by medium resource identification URI of the media play adaptation module in the play instruction
Type starts the media player of respective type；
S4：The media player generates media play pipe corresponding with the medium type by the media elements manager
Road, the media play pipeline include corresponding with the medium type source of media, demultiplexing, decoding and output element；Wherein
The media elements manager includes multiple source of media, demultiplexing, decoding and the output element for being adapted to various medium types；
The media source element, for being instructed according to media play by being interacted with associated hardware resource and media elements manager
Determine that respective media plays the type of other elements in pipeline；
The full media services module also includes hardware resource management device, and the hardware resource management device is used to manage media elements
Hardware resource used in each element in manager, is allocated resources to accordingly by request-distribution mechanism in step s 4
Element.
2. according to the method for claim 1, wherein the media play is applied and Web class applications using java class is included.
3. according to the method for claim 1, wherein the medium type includes：Live DTV, point broadcast digital television,
Internet television, IPTV, across screen media, local media, amalgamation media.
4. according to the method for claim 1, wherein the full media services interface-client includes realizing live numeral electricity
Depending on, point broadcast digital television, internet television, IPTV, across screen media, local media, amalgamation media playback interface unit.
5. the method according to claim 11, wherein：
The demultiplex element, protocol analysis and/or tunneling parsing are fluidized for media；
The decoding element, the decoding for media audiovisual compression coding basic flow；
The output element, for decoded media audio/video frames to be output into audio frequency and video output hardware.
6. according to the method for claim 1, wherein each element in the media play pipeline calls hardware by HAL layers
The hardware resource of explorer distribution.
7. according to the method for claim 1, wherein the media elements manager also includes being adapted to live DTV matchmaker
The descrambling element of body type；
When the medium type is live DTV, the media play pipeline also includes the descrambling element, the solution
Disturb the descrambling that element is used for scrambled number live telecast code stream.
It is 8. described according to the method for claim 7, wherein the intelligent television operating system also includes credible performing environment
Credible performing environment includes the hardware descrambler needed for the descrambling element, the hardware demultiplexing needed for the demultiplex element
Hardware decoder needed for device and the decoding element；
The hardware descrambler of the descrambling element control under credible performing environment is entered to scrambled number live telecast code stream
Row descrambling, and the code stream after descrambling is stored in the secure storage areas managed by credible performing environment, the demultiplex element
The hardware demultiplexer under credible performing environment is controlled to read code stream and demultiplexed matchmaker from the secure storage areas
Body audiovisual compression encodes basic flow and is stored in the secure storage areas managed by credible performing environment, the decoding element control
Make the reading media audiovisual compression from the secure storage areas of the hardware decoder under credible performing environment and encode base
This stream simultaneously decodes storage into the secure storage areas managed by credible performing environment.
9. according to the method for claim 1, wherein the media elements manager also includes adaptation internet television or point
The decryption element of broadcast digital television medium type；
When the medium type is internet television or point broadcast digital television, the media play pipeline also includes the decryption
Element, the decryption element are used for the solution of an encryption TV/broadcast digital television media audiovisual compression coding basic flow
It is close.
10. according to the method for claim 9, wherein the intelligent television operating system also includes credible performing environment, institute
Stating credible performing environment includes the hardware decrypter needed for the decryption element and the hardware solution needed for the decoding element
Code device；
The hardware decrypter of the decryption element control under credible performing environment is to encryption TV/program request numeral
TV media audiovisual compression coding basic flow is decrypted, and is stored in the safety managed by credible performing environment after decrypting
In memory block, the hardware decoder of the element control under the credible performing environment that decode is from the secure storage areas
Middle reading media audiovisual compression encodes basic flow and decodes storage into the secure storage areas managed by credible performing environment.
11. according to the method for claim 7, wherein when the medium type is live DTV, the intelligent television
Operating system also includes digital television module, and the digital television module includes video traffic identifier for obtaining, parsing, storing
VideoPid, audio traffic identifier audioPid digital television programs information, the media play of the live DTV type
Device is inquired about to digital television module according to medium resource identification (URI) and obtains video traffic identifier videoPid, audio traffic identifier
AudioPid is simultaneously set to respective media in the demultiplex element for playing pipeline.
12. according to the method for claim 11, when live DTV is scrambled number live telecast code stream, the number
Word television module is additionally operable to obtain, parses, stores comprising digital television programs information, the live DTV class needed for descrambling
The media player of type digital television programs information according to needed for medium resource identification (URI) to digital television module inquiry descrambling
And set to respective media in the demultiplex element for playing pipeline, the demultiplex element will be digital needed for the descrambling after demultiplexing
TV program information is set into descrambling element.
13. according to the method for claim 1, wherein when the medium type is broadcast digital television, the intelligent television
Operating system also includes digital television module, and the digital television module includes video traffic identifier for obtaining, parsing, storing
VideoPid, audio traffic identifier audioPid digital television programs information, the media play of described broadcast digital television type
Device is inquired about to digital television module according to medium resource identification (URI) and obtains video traffic identifier videoPid, audio traffic identifier
AudioPid is simultaneously set to respective media in the demultiplex element for playing pipeline.
14. according to the method for claim 1, wherein when the medium type be internet television and using HLS protocol or
During MPEG-DASH agreements, the media play pipeline includes media source element, demultiplexing for the parsing of respective media streaming protocols
With element, the demultiplex element parsed for corresponding tunneling, decoding element and output element.
15. a kind of Intelligent television terminal that full media play is supported in intelligent television operating system, including full media services mould
Block, the full media services module are fitted including full media services interface-client, full media services interface service end, media play
With module, media elements manager, the Intelligent television terminal is used to perform as described in any one in claim 1-14
Method.
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| CN106412466B (en) * | 2016-07-18 | 2018-05-22 | 国家新闻出版广电总局广播科学研究院 | A kind of intelligent television system |
| CN106254947B (en) * | 2016-08-05 | 2019-09-17 | 青岛海信电器股份有限公司 | The extended method and device of process resource |
| CN106550234A (en) * | 2016-12-26 | 2017-03-29 | 中国电信股份有限公司四川分公司 | A kind of dress ties up easily Set Top Box and IPTV service quality detecting method |
| CN106899888B (en) * | 2017-02-14 | 2019-03-05 | 武汉斗鱼网络科技有限公司 | The end TV based on cloud adaptation player plays the method and system of live video |
| CN109151586B (en) * | 2018-09-10 | 2021-06-04 | 苏宁智能终端有限公司 | Universal multimedia playing method and player |
| CN111355687B (en) * | 2018-12-21 | 2022-04-22 | 国家新闻出版广电总局广播科学研究院 | Broadcasting and television convergence service system |
| CN111797270A (en) * | 2019-08-07 | 2020-10-20 | 厦门雅基软件有限公司 | Audio playing method and device, electronic equipment and computer readable storage medium |
| CN113497976A (en) * | 2020-03-19 | 2021-10-12 | 华为技术有限公司 | Multimedia data downloading method and electronic equipment |
| CN111416993B (en) * | 2020-03-26 | 2021-10-29 | 四川长虹电器股份有限公司 | Playing control method and player system capable of playing IPTV and OTT video sources |
| CN114143585A (en) * | 2021-11-02 | 2022-03-04 | 深圳Tcl新技术有限公司 | Data processing method and device, storage medium and terminal equipment |
| CN117560544B (en) * | 2023-11-13 | 2024-08-20 | 书行科技(北京)有限公司 | Playing processing method, system, device, electronic equipment and storage medium |
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