CN109842814A - Switching method, device, television set and the readable storage medium storing program for executing of program - Google Patents
Switching method, device, television set and the readable storage medium storing program for executing of program Download PDFInfo
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- CN109842814A CN109842814A CN201811609313.1A CN201811609313A CN109842814A CN 109842814 A CN109842814 A CN 109842814A CN 201811609313 A CN201811609313 A CN 201811609313A CN 109842814 A CN109842814 A CN 109842814A
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- program
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- mark
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- resource packet
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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
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/482—End-user interface for program selection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
Abstract
The invention discloses a kind of switching method of program, device, television set and readable storage medium storing program for executing, by when receiving program switching command, according to the target program identification in the program switching command, the corresponding program description table USD table of request target program, as target USD table, the target programme content mark of the target program is obtained in the target USD table；Judge to identify corresponding target resource packet mark with the presence or absence of the target programme content in default mapping table；If there are target resource packet marks in the default mapping table, is identified according to the target resource packet and obtain and play corresponding target program data, actual program is switched to the target program.The present invention reduces the time-consuming of program switching, improves the switch speed of program, the user experience is improved, solves the technical problem that existing program switching time is longer and switching efficiency is lower by presetting mapping table.
Description
Technical field
The present invention relates to digital TV technology more particularly to a kind of switching method of program, device, television sets and can
Read storage medium.
Background technique
Spreading tool of the TV as media information, plays important role in people's lives.With science and technology
Development, the appearance of set-top box enrich the digital television program life of people.People are by realizing number electricity to set top box operations
Depending on the switching of program.Digital television program is transmitted to set-top box by cable network, needs switching programme of digital type TV in user
When by set-top box carry out program switching, by current digital television program be switched to user selection target number TV
On program.When target number TV programme and current digital television program be not on a frequency point, set-top box need to frequency point into
Row switching, is switched to the switching that digital television program is realized on the frequency point of target number TV programme.But existing program
Switching time is longer, and switching efficiency is lower.Therefore, how to solve that existing program switching time is longer and switching efficiency is lower
The problem of problem is current urgent need to resolve.
Summary of the invention
The main purpose of the present invention is to provide a kind of switching method of program, television set and readable storage medium storing program for executing, it is intended to
Solve the technical problem that existing program switching time is longer and switching efficiency is lower.
To achieve the above object, the present invention provides a kind of switching method of program, the switching method of the program include with
Lower step:
When receiving program switching command, according to the target program identification in the program switching command, request
The corresponding program description table USD table of target program obtains the target in the target USD table as target USD table
The target programme content of program identifies；
Judge to identify corresponding target resource packet mark with the presence or absence of the target programme content in default mapping table；
If there are target resource packet marks in the default mapping table, is identified and obtained according to the target resource packet
And corresponding target program data is played, actual program is switched to the target program.
Optionally, described when receiving program switching command, according to the target program mark in the program switching command
Know, the corresponding program description table USD table of request target program, as target USD table, in the target USD table
Before the step of obtaining the target programme content mark of the target program, further includes:
The USD table of each program in request channel list, and according to the determination of the USD table of each program
The corresponding programme content mark of each program；
The corresponding data packet distribution table MPT table of each program described in request, and it is corresponding according to each program
MPT table and programme content mark determine the corresponding resource packet mark of each program；
The corresponding programme content mark of each program and the mapping relations of resource packet mark are stored to described default
Mapping table.
Optionally, described to judge to identify corresponding target resource with the presence or absence of the target programme signal in default mapping table
After the step of packet mark, further includes:
If there is no the target resource packets to identify in the default mapping table, target program described in request is corresponding
Data packet distribution table MPT table, as target MPT table, and obtain in the target MPT table target programme signal mark
Corresponding resource packet mark, identifies as target resource packet；
Obtain the mapping relations of target programme signal mark with target resource packet mark, and by the target section
The mapping relations of mesh signal identification and target resource packet mark are stored to the default mapping table.
Optionally, it if there are target resource packet marks in the default mapping table, is provided according to the target
Source packet mark obtain and the step of play corresponding target program data, actual program be switched to the target program it
Afterwards, further includes:
When detecting that the target MPT table changes, the more new data in updated target MPT table is obtained, and
The resource packet mark data in the default mapping table is updated according to the more new data.
Optionally, described when detecting that the target MPT table changes, it obtains in updated target MPT table
More new data, and the step of updating according to the more new data resource packet mark data in the default mapping table is specifically wrapped
It includes:
The current version number for obtaining the target MPT compares the current version number with the version number saved,
And judge whether the current version number and the version number saved are consistent；
If the current version number and the version number saved are inconsistent, obtain in updated target MPT table more
New data, and update according to the more new data resource packet mark data in the default mapping table.
Optionally, the step of target programme content mark that the target program is obtained in the target USD table
It specifically includes:
Target program audio mark, the target program video mark of the target program are obtained in the target USD table
With target program credits mark one or more of.
Optionally, described when receiving program switching command, according to the target program mark in the program switching command
Know, the corresponding program description table USD table of request target program is specifically included as the step of target USD table:
When receiving program switching command, the target section is determined in channel list according to the program switching command
Purpose target program number；
According to the target program number, the corresponding program description table USD table of request target program, as target
USD table.
In addition, to achieve the above object, the present invention also provides a kind of switching device of program, the switching device of the program
Include:
Content obtains module, for when receiving program switching command, according to the target in the program switching command
Program identification, the corresponding program description table USD table of request target program, as target USD table, in the target
The target programme content mark of the target program is obtained in USD table；
Resource judgment module identifies corresponding mesh with the presence or absence of the target programme content in default mapping table for judging
Mark resource packet mark；
Program switching module, if for there are target resource packet marks in the default mapping table, according to
Target resource packet mark obtains and plays corresponding target program data, and actual program is switched to the target program.
In addition, to achieve the above object, the present invention also provides a kind of television set, the television set includes processor, storage
Device and the changeover program for being stored in the program that can be executed on the memory and by the processor, wherein the program
When changeover program is executed by the processor, the step of realizing the switching method of program as described above.
In addition, to achieve the above object, it is described computer-readable the present invention also provides a kind of computer readable storage medium
It is stored with the changeover program of program on storage medium, when wherein the changeover program of program is executed by processor, realizes as above-mentioned
The step of switching method of program.
The present invention provides a kind of switching method of program, by when receiving program switching command, according to the program
Target program identification in switching command, the corresponding program description table USD table of request target program, as target
USD table obtains the target programme content mark of the target program in the target USD table；Judging to preset in mapping table is
It is no that there are the target programme contents to identify corresponding target resource packet mark；If in the default mapping table, there are the targets
Resource packet mark then identifies according to the target resource packet and obtains and play corresponding target program data, by actual program
It is switched to the target program.In the above manner, the present invention stores the programme content mark and money by default mapping table
The mapping relations of source packet mark avoid each program switching from requiring Real time request and obtain multiple list informations, reduce program
The time-consuming of switching improves the switch speed of program, and the user experience is improved, solve existing program switching time it is longer and
The lower technical problem of switching efficiency.
Detailed description of the invention
Fig. 1 is the television set hardware structural diagram that the embodiment of the present invention is related to；
Fig. 2 is the flow diagram of the switching method first embodiment of program of the present invention；
Fig. 3 is the flow diagram of the switching method second embodiment of program of the present invention；
Fig. 4 is the flow diagram of the switching method 3rd embodiment of program of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The main thought of the embodiment of the present invention is: when receiving program switching command, being switched according to the program
Target program identification in instruction, the corresponding program description table USD table of request target program, as target USD
Table obtains the target programme content mark of the target program in the target USD table；Judge whether deposit in default mapping table
Corresponding target resource packet mark is identified in the target programme content；If in the default mapping table, there are the target resources
Packet mark then identifies according to the target resource packet and obtains and play corresponding target program data, actual program is switched
For the target program, solves the technical problem that existing program switching time is longer and switching efficiency is lower.
The present embodiments relate to the switching method of program be mainly used in television set, which can be by a variety of
Mode is realized.For example, the fixed terminals such as intelligent TV set, liquid crystal TV set or curved surface television set.
The switching terminal using P television set as program is illustrated in subsequent descriptions, it will be appreciated by those skilled in the art that
, other than being used in particular for the element of mobile purpose, the construction of embodiment according to the present invention can also apply to it
The terminal of its type.
Referring to Fig.1, Fig. 1 is television set hardware structural diagram involved in the embodiment of the present invention.The present invention is implemented
In example, television set may include processor 1001 (such as CPU), communication bus 1002, user interface 1003, network interface
1004, memory 1005.Wherein, communication bus 1002 is for realizing the connection communication between these components；User interface 1003
It may include display screen (Display), input unit such as keyboard (Keyboard)；Network interface 1004 optionally may include
Standard wireline interface and wireless interface (such as WI-FI interface)；Memory 1005 can be high speed RAM memory, be also possible to steady
Fixed memory (non-volatile memory), such as magnetic disk storage, memory 1005 optionally can also be independent
In the storage device of aforementioned processor 1001.
It will be understood by those skilled in the art that television set hardware configuration shown in Fig. 1 does not constitute the limit to television set
It is fixed, it may include perhaps combining certain components or different component layouts than illustrating more or fewer components.
With continued reference to Fig. 1, the memory 1005 in Fig. 1 as a kind of computer readable storage medium may include operation system
The changeover program of system, network communication module and program.
In Fig. 1, network communication module is mainly used for connecting server, carries out data communication with server；And processor
1001 can call the changeover program of the program stored in memory 1005, and execute following operation:
When receiving program switching command, according to the target program identification in the program switching command, request
The corresponding program description table USD table of target program obtains the target in the target USD table as target USD table
The target programme content of program identifies；
Judge to identify corresponding target resource packet mark with the presence or absence of the target programme content in default mapping table；
If there are target resource packet marks in the default mapping table, is identified and obtained according to the target resource packet
And corresponding target program data is played, actual program is switched to the target program.
Further, processor 1001 may call upon the changeover program of the program stored in memory 1005, and execute
It operates below:
The USD table of each program in request channel list, and according to the determination of the USD table of each program
The corresponding programme content mark of each program；
The corresponding data packet distribution table MPT table of each program described in request, and it is corresponding according to each program
MPT table and programme content mark determine the corresponding resource packet mark of each program；
The corresponding programme content mark of each program and the mapping relations of resource packet mark are stored to described default
Mapping table.
Further, processor 1001 may call upon the changeover program of the program stored in memory 1005, and execute
It operates below:
If there is no the target resource packets to identify in the default mapping table, target program described in request is corresponding
Data packet distribution table MPT table, as target MPT table, and obtain in the target MPT table target programme signal mark
Corresponding resource packet mark, identifies as target resource packet；
Obtain the mapping relations of target programme signal mark with target resource packet mark, and by the target section
The mapping relations of mesh signal identification and target resource packet mark are stored to the default mapping table.
Further, processor 1001 may call upon the changeover program of the program stored in memory 1005, and execute
It operates below:
When detecting that the target MPT table changes, the more new data in updated target MPT table is obtained, and
The resource packet mark data in the default mapping table is updated according to the more new data.
Further, processor 1001 may call upon the changeover program of the program stored in memory 1005, and execute
It operates below:
The current version number for obtaining the target MPT compares the current version number with the version number saved,
And judge whether the current version number and the version number saved are consistent；
If the current version number and the version number saved are inconsistent, obtain in updated target MPT table more
New data, and update according to the more new data resource packet mark data in the default mapping table.
Further, processor 1001 may call upon the changeover program of the program stored in memory 1005, and execute
It operates below:
Target program audio mark, the target program video mark of the target program are obtained in the target USD table
With target program credits mark one or more of.
Further, processor 1001 may call upon the changeover program of the program stored in memory 1005, and execute
It operates below:
When receiving program switching command, the target section is determined in channel list according to the program switching command
Purpose target program number；
According to the target program number, the corresponding program description table USD table of request target program, as target
USD table.
Switching device hardware configuration based on above-mentioned program proposes each embodiment of switching method of program of the present invention.
The present invention provides a kind of switching method of program.
It is the flow diagram of the switching method first embodiment of program of the present invention referring to Fig. 2, Fig. 2.
In the present embodiment, the switching method of the program the following steps are included:
Step S10, when receiving program switching command, according to the target program identification in the program switching command,
The corresponding program description table USD table of request target program obtains in the target USD table as target USD table
The target programme content of the target program is taken to identify；
In the present embodiment, signaling message defined in MMTP agreement is referred in digital television standard ATSC3.0 standard
(Signalling messages), ATSC3.0 standard have mainly used MPT table (the MMT package in MMTP agreement
Data packet distributed intelligence in table, MMT agreement).ATSC3.0 standard has expanded the spare fields of MMTP agreement, i.e., newly-increased
MA3 message (mmt atsc3 message), wherein the MA3 message is with being used to describe the current IP of television equipment
Location or the corresponding programme information of frequency point.USD table is contained inside the MA3 message
(userServiceDescription, program description).
In order to solve the technical problem that existing program switching time is longer and switching efficiency is lower, a kind of program is provided
Switching method specifically when receiving the program switching command of user's transmission, obtains to be played in the program switching command
Target program target program identification.Then the corresponding USD table of the target program is obtained according to the target program identification
(userServiceDescription, program description table).Wherein, the USD table includes the programme content of corresponding program
Information Component and description information, program content type include audio, video or subtitle etc., and description information is for audio
No is to listen barrier mode or whether video is 4K or HD etc..Wherein, the different programme content Component of each program are corresponding
There is different Component ID, for distinguishing different Component.After determining the target program identification, according to described
Target program identification obtains the corresponding USD table of target program, i.e. target USD table.The target is obtained in the target USD table
The corresponding target programme content mark of program.
Further, the target programme content mark that the target program is obtained in the target USD table is specific
Include:
Target program audio mark, the target program video mark of the target program are obtained in the target USD table
With target program credits mark one or more of.
In the present embodiment, the programme content includes audio, video or subtitle etc., is determining that the target program is corresponding
When USD table, determine that the corresponding audio identification of the target program, video identifier and subtitle identify according to the USD table.Institute
It states after determining the audio identification, video identifier and subtitle mark in USD table, it can be according to the audio identification, video identifier
And subtitle mark obtains corresponding audio resource packet mark, video resource packet mark and subtitle asset packet mark, then root
According to audio resource packet mark, video resource packet mark and subtitle asset packet mark obtain and play corresponding audio, video with
And subtitle etc..
Further, described when receiving program switching command, according to the target program mark in the program switching command
Know, the corresponding program description table USD of request target program is specifically included as the step of target USD table:
When receiving program switching command, the target section is determined in channel list according to the program switching command
Purpose target program number；
According to the target program number, the corresponding program description table USD table of request target program, as target
USD table.
In the present embodiment, when receiving the program switching command of user's transmission, such as it is switched to 3 channels or is switched to down
One channel etc. parses the program switching command.When the program switching command is channel identication, according to the channel identication
Corresponding mapping program number is obtained in channel list, as target program number.It is to switch in the program switching command
When one channel, succeeding channel or the upper channel of return, according to the program switching command and actual program number, in channel column
Target program number is determined in table, then according to the corresponding target USD table of the target program number request target program.
Step S20 judges to identify corresponding target resource packet with the presence or absence of the target programme content in default mapping table
Mark；
Specifically, the target programme content is identified and is compared with default mapping table, judge the default mapping table
In identify corresponding target resource packet with the presence or absence of the target programme content and identify packet ID, such as target program audio frequency marking
Know corresponding target program audio resource packet mark, is then identified, played corresponding according to the target program audio resource packet
Target program audio.Wherein, the default mapping table can be Array for structural body a MAP, the MAP for storing
Mapping relations between component ID and packet ID.
Step S30, if there are target resource packet marks in the default mapping table, according to the target resource packet
Mark obtains and plays corresponding target program data, and actual program is switched to the target program.
Specifically, if there are the corresponding target resource packet marks of target program in the default mapping table, by the mesh
Mark resource packet identifies the playing module being sent in television equipment, corresponding resource packet is played by the playing module, with mistake
Filter plays corresponding program.
Further, after the step S20, further includes:
If there is no the target resource packets to identify in the default mapping table, target program described in request is corresponding
Data packet distribution table MPT table, as target MPT table, and obtain in the target MPT table target programme signal mark
Corresponding resource packet mark, identifies as target resource packet；
Obtain the mapping relations of target programme signal mark with target resource packet mark, and by the target section
The mapping relations of mesh signal identification and target resource packet mark are stored to the default mapping table.
In the present embodiment, the function by establishing Array for structural body a MAP, the MAP is used similar to the Map class in java
Mapping between preservation component ID and packet ID.When receiving program switching command, pass through tuning module request
The corresponding USD table of target program, to obtain the program description and component ID of target program.Then it looks into the map
It looks for the presence or absence of the corresponding packet ID of component ID, and if it exists, the packet ID of mapping can be used directly, and
The packet ID is sent to the broadcasting that playing module carries out corresponding target program, if it does not exist, then requesting the mesh
The corresponding MPT table of program is marked, corresponding packet ID is then obtained in the MPT table according to the component ID, and
The component ID and packet ID are established into mapping relations, and by the mapping relations to MAP, switched to so as to subsequent
When the target program, the acquisition of packet ID can be carried out according to the default mapping table.
The present embodiment provides a kind of switching method of program, device, television set and readable storage medium storing program for executing, by receiving
When program switching command, according to the target program identification in the program switching command, the corresponding section of request target program
Mesh description information table USD table, as target USD table, in the target program that the target program is obtained in the target USD table
Hold mark；Judge to identify corresponding target resource packet mark with the presence or absence of the target programme content in default mapping table；If institute
It states in default mapping table that there are target resource packet marks, is then identified according to the target resource packet and obtain and play corresponding
Actual program is switched to the target program by target program data.In the above manner, the present invention is by presetting mapping table
The mapping relations for storing the programme content mark and resource packet mark avoid each program switching from requiring Real time request acquisition
Multiple list informations reduce the time-consuming of program switching, improve the switch speed of program, the user experience is improved, solves
The technical problem that existing program switching time is longer and switching efficiency is lower.
It is the flow diagram of the switching method second embodiment of program of the present invention referring to Fig. 3, Fig. 3.
Based on above-mentioned embodiment illustrated in fig. 2, before step S10, further includes:
Step S01, the USD table of each program in request channel list, and it is true according to the USD table of each program
Determine the corresponding programme content mark of each program；
In the present embodiment, the corresponding component ID and packet of each program in channel list can be obtained in advance
ID, and component ID mapping relations corresponding with packet ID are saved into default mapping table.To cut platform
When, without obtaining the packet ID in PRT table according to the component ID in USD table, it is corresponding that target program only need to be obtained
Component ID in USD table.Specifically, the corresponding USD table of program in channel list is obtained, then according to
USD table determines the corresponding programme content mark of program, including the mark such as audio, video and letter.
Step S02, the corresponding data packet distribution table MPT table of each program described in request, and according to each section
The corresponding MPT table of mesh and programme content mark determine the corresponding resource packet mark of each program；
Specifically, it is identified according to the audio, video and letter etc., obtains corresponding MPT table, and basis respectively side by side
Corresponding MPT table determines that the audio, video and letter etc. identify corresponding resource packet mark respectively.
Step S03, by the mapping relations of the corresponding programme content mark of each program and resource packet mark store to
The default mapping table.
Specifically, by resources packet marks such as the mark such as audio, video and letter and corresponding audio, video and letters
Mapping relations are established in knowledge, and corresponding mapping relations are stored to default mapping table.In specific embodiment, it can pre-establish and be used for
The default mapping table of component ID and packet ID mapping relations are stored, can also be carried out pair in switching correspondence program
The real-time storage of the component ID and packet ID mapping relations that answer.
It is the flow diagram of the switching method 3rd embodiment of program of the present invention referring to Fig. 4, Fig. 4.
Based on above-mentioned embodiment illustrated in fig. 2, after step S10, further includes:
Step S40 is obtained in updated target MPT table more when detecting that the target MPT table changes
New data, and update according to the more new data resource packet mark data in the default mapping table.
In the present embodiment, when caching the mapping relations of component ID and packet ID using MAP, if code stream updates,
Then the packet ID in MPT table can change.Therefore, it is necessary to the corresponding packet ID updated in default mapping table.Specifically
Whether ground, real-time detection target MPT table change, specific steps are as follows: tuning module request USD table in television equipment or
MPT table is to monitor MPT table in real time by way of registered callbacks function callback.If by various for parsing and caching
When the module TVCraft of table is resolved to the update of MPT table, updated table data can be sent to registration side.Therefore, tuning mould
When block can go corresponding update MAP to can guarantee code stream variation in the callback of the MPT table of registration, MAP table can also in time more
Newly.
The current version number for obtaining the target MPT compares the current version number with the version number saved,
And judge whether the current version number and the version number saved are consistent；
If the current version number and the version number saved are inconsistent, obtain in updated target MPT table more
New data, and update according to the more new data resource packet mark data in the default mapping table.
Specifically, when being changed due to the data in MPT, the version number version of MPT table can change, because
Whether this, can consistent by judging the front and back version number of target MPT table, that is, can determine that whether the target MPT changes.And
It is inconsistent in version number, the MAP is updated according to component ID constant in MPT table is corresponding with the packet ID of variation
Component ID and packet ID in table.
In addition, the embodiment of the present invention also proposes that a kind of switching device of program, the switching device of the program include:
Content obtains module, for when receiving program switching command, according to the target in the program switching command
Program identification, the corresponding program description table USD table of request target program, as target USD table, in the target
The target programme content mark of the target program is obtained in USD table；
Resource judgment module identifies corresponding mesh with the presence or absence of the target programme content in default mapping table for judging
Mark resource packet mark；
Program switching module, if for there are target resource packet marks in the default mapping table, according to
Target resource packet mark obtains and plays corresponding target program data, and actual program is switched to the target program.
Further, the present invention also provides a kind of television sets.
Television set of the present invention includes processor, memory and is stored on the memory and can be by the processor
The changeover program of the program of execution when the changeover program of the program is executed by the processor, is realized such as above-mentioned program
The step of switching method.
Wherein, the changeover program of program be performed realized method can refer to program of the present invention switching method it is each
A embodiment, details are not described herein again.
Further, the present invention also provides a kind of computer readable storage mediums.
The changeover program of program is stored on computer readable storage medium of the present invention, wherein the changeover program of the program
When being executed by processor, realize as above-mentioned program switching method the step of.
Wherein, the changeover program of program be performed realized method can refer to program of the present invention switching method it is each
A embodiment, details are not described herein again.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the system that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or system institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or system.
The serial number of the above embodiments of the invention is only for description, does not represent the advantages or disadvantages of the embodiments.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in one as described above
In storage medium (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that terminal device (it can be mobile phone,
Computer, server, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The above is only a preferred embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (10)
1. a kind of switching method of program, which is characterized in that the switching method of the program the following steps are included:
When receiving program switching command, according to the target program identification in the program switching command, request target
The corresponding program description table USD table of program obtains the target program as target USD table in the target USD table
Target programme content mark；
Judge to identify corresponding target resource packet mark with the presence or absence of the target programme content in default mapping table；
If there are target resource packet marks in the default mapping table, is identified according to the target resource packet and obtain and broadcast
Corresponding target program data is put, actual program is switched to the target program.
2. the switching method of program as described in claim 1, which is characterized in that it is described when receiving program switching command,
According to the target program identification in the program switching command, the corresponding program description table USD of request target program
Table, as target USD table, the step of target programme content mark of the target program is obtained in the target USD table it
Before, further includes:
The USD table of each program in request channel list, and each section is determined according to the USD table of each program
The corresponding programme content mark of mesh；
The corresponding data packet distribution table MPT table of each program described in request, and according to the corresponding MPT table of each program
It is identified with programme content, determines the corresponding resource packet mark of each program；
The corresponding programme content mark of each program and the mapping relations of resource packet mark are stored to the default mapping
Table.
3. the switching method of program as described in claim 1, which is characterized in that described to judge to whether there is in default mapping table
The target programme signal identified after the step of corresponding target resource packet mark, further includes:
If there is no the target resource packets to identify in the default mapping table, the corresponding number of target program described in request
According to packet distribution table MPT table, as target MPT table, and the target programme signal mark is obtained in the target MPT table and is corresponded to
Resource packet mark, as target resource packet identify；
The mapping relations of the target programme signal mark and target resource packet mark are obtained, and the target program is believed
Number mark with the target resource packet mark mapping relations store to the default mapping table.
4. the switching method of program as claimed in claim 3, which is characterized in that if there are institutes in the default mapping table
Target resource packet mark is stated, then is identified according to the target resource packet and obtains and play corresponding target program data, will worked as
Preceding program was switched to after the step of target program, further includes:
When detecting that the target MPT table changes, the more new data in updated target MPT table is obtained, and according to
The more new data updates the resource packet mark data in the default mapping table.
5. the switching method of program as claimed in claim 4, which is characterized in that described to detect the target MPT table hair
When changing, the more new data in updated target MPT table is obtained, and the default mapping is updated according to the more new data
The step of resource packet mark data in table, specifically includes:
The current version number is compared with the version number saved, and sentenced by the current version number for obtaining the target MPT
Whether the current version number that breaks is consistent with the version number that has saved；
If the current version number and the version number saved are inconsistent, the update number in updated target MPT table is obtained
According to, and update according to the more new data resource packet mark data in the default mapping table.
6. the switching method of program as described in claim 1, which is characterized in that described to obtain institute in the target USD table
The step of stating the target programme content mark of target program specifically includes:
The target program audio mark, target program video mark and mesh of the target program are obtained in the target USD table
Mark one or more of program credits mark.
7. the switching method of the program as described in any one of claim 1-6, which is characterized in that described to receive program
When switching command, according to the target program identification in the program switching command, the corresponding program of request target program is retouched
Information table USD table is stated, is specifically included as the step of target USD table:
When receiving program switching command, the target program is determined in channel list according to the program switching command
Target program number；
According to the target program number, the corresponding program description table USD table of request target program, as target USD
Table.
8. a kind of switching device of program, which is characterized in that the switching device of the program includes:
Content obtains module, for when receiving program switching command, according to the target program in the program switching command
Mark, the corresponding program description table USD table of request target program, as target USD table, in the target USD table
The middle target programme content mark for obtaining the target program；
Resource judgment module identifies corresponding target money with the presence or absence of the target programme content in default mapping table for judging
Source packet mark；
Program switching module, if for there are target resource packet marks in the default mapping table, according to the target
Resource packet mark obtains and plays corresponding target program data, and actual program is switched to the target program.
9. a kind of television set, which is characterized in that the television set includes processor, memory and is stored in the memory
The changeover program of program that is upper and being executed by the processor, wherein the changeover program of the program is executed by the processor
When, the step of realizing the switching method of program as described in any one of claims 1 to 7.
10. a kind of computer readable storage medium, which is characterized in that be stored with program on the computer readable storage medium
Changeover program, wherein being realized as described in any one of claims 1 to 7 when the changeover program of the program is executed by processor
Program switching method the step of.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811609313.1A CN109842814B (en) | 2018-12-26 | 2018-12-26 | Program switching method and device, television and readable storage medium |
| PCT/CN2019/125721 WO2020135130A1 (en) | 2018-12-26 | 2019-12-16 | Program switching method, device, television set, and readable storage medium |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811609313.1A CN109842814B (en) | 2018-12-26 | 2018-12-26 | Program switching method and device, television and readable storage medium |
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| WO (1) | WO2020135130A1 (en) |
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| WO2020135130A1 (en) | 2020-07-02 |
| CN109842814B (en) | 2021-01-12 |
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