CN107645671A - Program switching method and device - Google Patents
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- CN107645671A CN107645671A CN201610587097.XA CN201610587097A CN107645671A CN 107645671 A CN107645671 A CN 107645671A CN 201610587097 A CN201610587097 A CN 201610587097A CN 107645671 A CN107645671 A CN 107645671A
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Abstract
The invention provides a kind of program switching method and device, this method includes：It is determined that prediction program corresponding to the first button operation received；It is not detected by the given time before the second button operation, cache prediction program；Currently playing program is switched to prediction program.By the invention it is possible to solve the problems, such as that program switching time is long in correlation technique, reach and reduce program switching time effect.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of program switching method and device.
Background technology
With the continuous popularization of intelligent embedded device, also more and more higher, set top box are made for the requirement that user experiences to equipment
For the indispensable equipment of home entertaining, it is necessary to adapt to the high standard requirement of user.When watching program using set top box, cutting platform is
The operation that user is commonly used, cut the platform time length can to user one intuitively experience, the optimization of details can make product more
It is competitive.
Existing Application No. CN201410854762.8 patent mentions one kind and quickly cuts platform mode, and its theme is：
The live quick methods for cutting platform of OTT are realized by caching mechanism, methods described is the live telecast link different to two the
One it is live and second it is live cut platform, including two with first live and the second live corresponding cushion space, a cut platform it
Before, the first live program is being played, video buffer space A enters row buffering work；B, which starts, cuts platform, does not stop broadcasting first
Live program, video buffer space A stop the first live program new data input, and it is straight that video buffer space B carries out second
The program new data input broadcast；C starts the second live program data and downloads preparation, when data, which download to, to be played
Wait, stop the first live broadcasting, carry out the second live broadcasting.Main purpose is to shorten the first programme televised live in the patent
The time of convergence time between the second programme televised live, the time of switching is not reduced, i.e. the patent is to determine and to cut
After changing to the second programme televised live, start the new data that caching downloads the second programme televised live, therefore, " waiting pending data to download to energy
When enough broadcasting, stop the first live broadcasting, carry out the second live broadcasting " when, it will cause to work as and cut platform order
Send the first programme televised live also play the problem of, do not reach really reduce program switching time, improve Consumer's Experience
Purpose.
The content of the invention
The embodiments of the invention provide a kind of program switching method and device, is switched with least solving program in correlation technique
The problem of time is long.
According to one embodiment of present invention, there is provided a kind of program switching method, including：It is determined that receive first by
Prediction program corresponding to key operation；It is not detected by the given time before the second button operation, caches the prediction program；Will
Currently playing program is switched to the prediction program.
Optionally it is determined that the prediction program includes corresponding to first button operation received：Described first
In the case that button operation is upper lower key zapping operation, determine that two programs up and down of currently playing program save for the prediction
Mesh；In the case where first button operation is by digital key operation, it is determined that program corresponding to the numerical key detected is
The prediction program.
Alternatively, caching the prediction program includes：The video in the prediction program is cached in a manner of predetermined frame；Root
Stabbed according to the buffer time of the video, buffer audio corresponding with the video.
Alternatively, it is determined that corresponding to first button operation received it is described prediction program after, in addition to：Really
The frequency of the fixed prediction program；According to the frequency, and the corresponding relation of frequency and tuner, it is determined that described for receiving
Predict the tuner of program；The prediction program is received using the tuner of determination.
Alternatively, after the prediction program is received using the tuner determined, in addition to：For the prediction section
Each prediction program distribution audio frequency and video passage in mesh.
According to another embodiment of the invention, there is provided a kind of program switching device, including：First determining module, use
In it is determined that predicting program corresponding to the first button operation received；Cache module, for being not detected by the given time
Before two button operations, the prediction program is cached；Handover module, saved for currently playing program to be switched into the prediction
Mesh.
Alternatively, first determining module includes：First determining unit, for being up and down in first button operation
In the case that key zapping operates, two programs up and down for determining currently playing program are the prediction program；Second determines list
Member, in the case where first button operation is by digital key operation, being saved it is determined that the numerical key detected is corresponding
Mesh is the prediction program.
Alternatively, the cache module includes：First buffer unit, for caching the prediction section in a manner of predetermined frame
Video in mesh；Second buffer unit, for being stabbed according to the buffer time of the video, buffer sound corresponding with the video
Frequently.
Alternatively, described device also includes：Second determining module, for determining the frequency of the prediction program；3rd is true
Cover half block, for according to the frequency, and the corresponding relation of frequency and tuner, it is determined that for receiving the prediction program
Tuner；Receiving module, for receiving the prediction program using the tuner determined.
Alternatively, described device also includes：Distribute module, for for it is described prediction program in each prediction program distribution
Audio frequency and video passage.
According to still another embodiment of the invention, a kind of storage medium is additionally provided.The storage medium is arranged to storage and used
In the program code for performing following steps：It is determined that prediction program corresponding to the first button operation received；In the given time
It is not detected by before the second button operation, caches the prediction program；Currently playing program is switched to the prediction program.
Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：It is determined that the institute received
Stating the prediction program corresponding to the first button operation includes：The situation that lower key zapping operates on first button operation is
Under, two programs up and down for determining currently playing program are the prediction program；It is to pass through number in first button operation
In the case that keyboard operates, it is determined that program corresponding to the numerical key detected is the prediction program.
Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：Cache the prediction section
Mesh includes：The video in the prediction program is cached in a manner of predetermined frame；According to the buffer time of the video stab, buffering with
Audio corresponding to the video.
Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：It is determined that receiving
After the prediction program corresponding to first button operation, in addition to：Determine the frequency of the prediction program；According to described
Frequency, and the corresponding relation of frequency and tuner, it is determined that the tuner for receiving the prediction program；Using the institute of determination
State tuner and receive the prediction program.
Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：Using the institute determined
After stating the tuner reception prediction program, in addition to：For each prediction program distribution audio frequency and video in the prediction program
Passage.
By the present invention, it is determined that prediction program corresponding to the first button operation received；Do not detect in the given time
To before the second button operation, cache prediction program；Currently playing program is switched to prediction program.Due to receiving
After one button operation, the prediction program that may switch is predicted, and caches the prediction program in advance, rather than after the scheduled time,
After the target program that switching is determined, then the target program of determination is cached, therefore, can solve program in correlation technique and switch
The problem of time is long, reaches and reduce program switching time effect.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is a kind of hardware block diagram of the terminal of program switching method of the embodiment of the present invention；
Fig. 2 is the flow chart of program switching method according to embodiments of the present invention；
Fig. 3 is the structured flowchart of program switching device according to embodiments of the present invention；
Fig. 4 is the structured flowchart of the first determining module 32 in program switching device according to embodiments of the present invention；
Fig. 5 is the structured flowchart of cache module 34 in program switching device according to embodiments of the present invention；
Fig. 6 is the preferred structure block diagram one of program switching device according to embodiments of the present invention；
Fig. 7 is the preferred structure block diagram two of program switching device according to embodiments of the present invention；
Fig. 8 is the multifrequency point information schematic diagram of tuner management module locking transmission according to embodiments of the present invention；
Fig. 9 is tuner management according to embodiments of the present invention, channel management, descrambling management, cache management and decoding pipe
Reason realizes the quick schematic flow sheet for cutting platform；
Figure 10 is according to embodiments of the present invention to predict that user presses the programme information that numerical key cuts platform by prediction module
Schematic diagram；
Figure 11 is the programme information according to embodiments of the present invention for cutting platform by upper lower key by prediction module prediction user
Schematic diagram；
Figure 12 is the schematic diagram according to embodiments of the present invention that audio, video data is cached by caching management module；
Figure 13 is that each module cooperative work according to embodiments of the present invention realizes that dual-mode set-top box prediction multifrequency point is quickly cut
Platform schematic diagram.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.
Embodiment 1
The embodiment of the method that the embodiment of the present application one is provided can fill in terminal, terminal or similar computing
Put middle execution.Exemplified by operating in terminal, Fig. 1 is a kind of hardware knot of the terminal of program switching method of the embodiment of the present invention
Structure block diagram.As shown in figure 1, terminal 10 can include one or more (one is only shown in figure) (processors 102 of processor 102
Micro-processor MCV or PLD FPGA etc. processing unit can be included but is not limited to), depositing for data storage
Reservoir 104 and the transmitting device 106 for communication function.It will appreciated by the skilled person that the knot shown in Fig. 1
Structure is only to illustrate, and it does not cause to limit to the structure of above-mentioned electronic installation.For example, terminal 10 may also include than shown in Fig. 1
More either less components have the configuration different from shown in Fig. 1.
Memory 104 can be used for the software program and module of storage application software, such as the program in the embodiment of the present invention
Programmed instruction/module corresponding to switching method, processor 102 by operation be stored in software program in memory 104 and
Module, so as to perform various function application and data processing, that is, realize above-mentioned method.Memory 104 may include at a high speed with
Machine memory, may also include nonvolatile memory, as one or more magnetic storage device, flash memory or other it is non-easily
The property lost solid-state memory.In some instances, memory 104 can further comprise depositing relative to processor 102 is remotely located
Reservoir, these remote memories can pass through network connection to terminal 10.The example of above-mentioned network include but is not limited to internet,
Intranet, LAN, mobile radio communication and combinations thereof.
Transmitting device 106 is used to data are received or sent via a network.Above-mentioned network instantiation may include
The wireless network that the communication providerses of terminal 10 provide.In an example, transmitting device 106 includes a network adapter
(Network Interface Controller, NIC), its can be connected by base station with other network equipments so as to interconnection
Net is communicated.In an example, transmitting device 106 can be radio frequency (Radio Frequency, RF) module, and it is used for
Wirelessly communicated with internet.
A kind of program switching method for running on terminal is provided in the present embodiment, and Fig. 2 is according to embodiments of the present invention
Program switching method flow chart, as shown in Fig. 2 the flow comprises the following steps：
Step S202, it is determined that prediction program corresponding to the first button operation received；
Step S204, it is not detected by the given time before the second button operation, cache prediction program；
Step S206, currently playing program is switched to prediction program.
By above-mentioned steps, due to after the first button operation is received, predicting the prediction program that may switch, and in advance
The prediction program is cached, rather than after the scheduled time, that is, after the target program that switching is determined, then caches the target section of determination
Mesh, therefore, can solve the problems, such as that program switching time is long in correlation technique, reach and reduce program switching time effect.
Optionally it is determined that prediction program includes corresponding to the first button operation received：On the first button operation is
In the case that lower key zapping operates, two programs up and down for determining currently playing program are prediction program；Grasped in the first button
Work be by digital key operation in the case of, it is determined that program corresponding to the numerical key detected for prediction program.For example, work as program
During in broadcast state, two programs up and down of current playing program are cached；Or when program is in broadcast state, when with
Family operation numerical key carries out cutting platform, and the first digit prediction pressed according to user may need the program watched, and buffer the section
Mesh.By above-mentioned steps, can quickly determine to predict program.
Alternatively, cache prediction program includes：Video in a manner of predetermined frame in cache prediction program；According to video
Buffer time stabs, and buffers audio corresponding with video.By above-mentioned steps, stabbed according to the buffer time of video, carry out buffered video
Corresponding audio, the nonsynchronous problem of audio frequency and video during data buffer storage can be overcome so that cache management reaches accurate sound and regarded
The effect that frequency decoding plays.
Alternatively, after it is determined that predicting program corresponding to the first button operation received, in addition to：It is determined that prediction section
Purpose frequency；According to frequency, and the corresponding relation of frequency and tuner, it is determined that the tuner for receiving prediction program；Adopt
Prediction program is received with the tuner of determination.For example, the corresponding frequency of locking, the i.e. corresponding relation of determination frequency and tuner, then
According to the frequency point information and corresponding relation of prediction program.Alternatively, identical frequency can use same tuner, so as to reach
To the purpose for saving tuner resource.
Alternatively, after prediction program is received using the tuner determined, in addition to：It is each pre- in program to predict
Survey program distribution audio frequency and video passage.Pass through above-mentioned steps, it is ensured that do not interfere with each other during each prediction program transmission.
Alternatively, after prediction program is received using the tuner determined, can also include：For each prediction program point
With demodulator and table filtration channel, and the cushion space for each passage of each channel allocation docking.Alternatively it is also possible to it is every
Individual channel allocation descrambles passage, due to predicting that it is multiple that program may have, therefore, condition reception (Condition Access, referred to as
For CA) system need support Polymera descrambling.Alternatively, can also according to the frequency of each passage program dock corresponding to high frequency
Head.
Alternatively, step S206, currently playing program is switched into prediction program includes：Arrived in predetermined time detecting
Second button operation, target program is determined according to the second button operation, and passage ID corresponding to obtaining the target program, it will decode
Device docks with the target program channel, starts decoding and plays, wherein, the target program predicts one of program.Because prediction can
Lean on, and predict that program caches in advance, therefore, when user carries out zapping operation, next program (i.e. target program) can
Quickly to play back, user can obtain splendid experience.
The embodiment of the present invention reduces resource occupation by predicting, and cache management reaches accurate audio/video decoding and plays effect
Fruit, really reduce and cut the platform time, improve the competitiveness of set top box, the cut stage body splendid to user is tested.
Through the above description of the embodiments, those skilled in the art can be understood that according to above-mentioned implementation
The method of example can add the mode of required general hardware platform to realize by software, naturally it is also possible to by hardware, but a lot
In the case of the former be more preferably embodiment.Based on such understanding, technical scheme is substantially in other words to existing
The part that technology contributes can be embodied in the form of software product, and the computer software product is stored in a storage
In medium (such as ROM/RAM, magnetic disc, CD), including some instructions to cause a station terminal equipment (can be mobile phone, calculate
Machine, server, or network equipment etc.) perform method described in each embodiment of the present invention.
Embodiment 2
A kind of program switching device is additionally provided in the present embodiment, and the device is used to realize above-described embodiment and preferred reality
Mode is applied, had carried out repeating no more for explanation.As used below, term " module " can realize the soft of predetermined function
The combination of part and/or hardware.Although device described by following examples is preferably realized with software, hardware, or
The realization of the combination of software and hardware is also what may and be contemplated.
Fig. 3 is the structured flowchart of program switching device according to embodiments of the present invention, as shown in figure 3, the device includes：
First determining module 32, for determining to predict program corresponding to the first button operation for receiving；
Cache module 34, above-mentioned first determining module 32 is connected to, for being not detected by the second button in the given time
Before operation, cache prediction program；
Handover module 36, above-mentioned cache module 34 is connected to, for currently playing program to be switched into prediction program.
Fig. 4 is the structured flowchart of the first determining module 32 in program switching device according to embodiments of the present invention, such as Fig. 4 institutes
Show, the first determining module 32 includes：First determining unit 42 and the second determining unit 44, illustrate separately below.
First determining unit 42, on being in the first button operation in the case of the operation of lower key zapping, it is determined that currently broadcasting
Two programs up and down for the program put are prediction program；
Second determining unit 44, in the case where the first button operation is by digital key operation, it is determined that detecting
Numerical key corresponding to program for prediction program.
Fig. 5 is the structured flowchart of cache module 34 in program switching device according to embodiments of the present invention, as shown in figure 5,
Cache module 34 includes：
First buffer unit 52, for the video in the cache prediction program in a manner of predetermined frame；
Second buffer unit 54, above-mentioned first buffer unit 52 is connected to, for being stabbed according to the buffer time of video, buffering
Audio corresponding with video.
Fig. 6 is the preferred structure block diagram one of program switching device according to embodiments of the present invention, as shown in fig. 6, the device
In addition to including all modules shown in Fig. 3, in addition to：
Second determining module 62, for determining the frequency of prediction program；
3rd determining module 64, the second determining module 62, it is connected to above-mentioned be used for according to frequency, and frequency and tuner
Corresponding relation, it is determined that for receive prediction program tuner；
Receiving module 66, above-mentioned 3rd determining module 64 is connected to, for receiving prediction program using the tuner determined.
Fig. 7 is the preferred structure block diagram two of program switching device according to embodiments of the present invention, as shown in fig. 7, the device
In addition to including all modules shown in Fig. 3 and Fig. 6, in addition to：
Distribute module 72, for for it is described prediction program in each prediction program distribution audio frequency and video passage.
To facilitate understanding of the present embodiment of the invention, below using dual-mode set-top box prediction multifrequency point quickly cut platform implementation as
Example is specifically described to above-mentioned, the dual-mode set-top box, can include：(function is the same as above-mentioned first determining module for prediction module
32), tuner management module (function is with above-mentioned 3rd determining module 64), path management module, program descrambling management module, section
Mesh caching management module and decoder management module.Illustrate separately below.
Prediction module：For when user carries out zapping action using upper lower key or numerical key, look-ahead will to be cut
The program changed, pertinent program information is transferred to respective modules and carries out frequency locking and program data buffering.
Tuner management module：For at the program that is transmitted in prediction module when on multiple frequencies, it is necessary to manage multiple
The frequency locking operation of frequency, and need set top box to support multichannel frequency locking.
Path management module (function is with above-mentioned distribute module 72)：For for each program configuration corresponding to a passage,
Each passage is responsible for the filtering of audio frequency and video and correlation table all the way.
Program descrambles management module：Descrambling for each passage audio frequency and video.
Program caching management module：For storing the corresponding audio, video data of multichannel filtering, to avoid in data buffer storage
Audio frequency and video are asynchronous, can add the algorithm process of audio-visual synchronization, as shown in figure 12.
Decoder management module：For decoder resources management is docked with what program buffered.
Fig. 8 is that tuner management module according to embodiments of the present invention locks the multifrequency point information schematic diagram transmitted, such as Fig. 8
Shown, specific steps thought is as follows：1. the frequency point information table transmitted according to prediction module pins frequency, identical frequency shares one
Tuner resource；2. the frequency point information in the programme information of each buffer channel of inquiry, corresponding tuner is docked, identical frequency can
To be multiplexed a tuner；3. during user Qie Tai, the tuner used is inquired about using new program information table, if
The tuner frequency used then stops tuner frequency locking, uses new locking frequency point not in new program information table；If phase
It is same then continue to keep the frequency normal work.The process includes：
Step S802, transmit frequency point information；
Step S804, judge whether the frequency is locked；Unlocked execution step S806, locking perform step S810；
Step S806, lock the frequency；
Step S808, record management tuner ID and corresponding frequency point information；
Step S810, reports frequency-locked state；Report frequency-locked state (realize that multifrequency point quickly cuts platform and needs the support of hardware,
Three tunnels of the worst needs are supported, it requires that tuner management can make full use of resource, enable to cut platform and same frequency across frequency
It is rapid as point).
Fig. 9 is tuner management according to embodiments of the present invention, channel management, descrambling management, cache management and decoding pipe
Reason realizes the quick schematic flow sheet for cutting platform, as shown in figure 9, the locking multifrequency point of tuner management module 201, passage 202 (203,
204) corresponding tuner is docked according to the programme information of setting, descrambling management module 205 (206,207) is channel allocation descrambling money
Source, cache management module 208 (209,210) are channel allocation buffer resource, and the docking of decoder management module 211 needs what is played
Passage is decoded.Wherein, each the corresponding passage of buffering program, the program of identical frequency share a tuner；When with
When platform is cut at family, each passage is inquired about according to new program information table, when the programme information of certain passage is not in new program information table
When, then stop the passage, passage is opened using new programme information, when the passage programme information of inquiry is present in new program letter
When ceasing in table, then the passage is kept to work on, this method can save the time frequently closed and open passage.
Figure 10 is according to embodiments of the present invention to predict that user presses the programme information that numerical key cuts platform by prediction module
Schematic diagram, as shown in Figure 10, the process include：
Step S1002, user press first digit key and prepare to cut platform；
Step S1004, prediction module receive the first digit key of user's input；
Step S1006, the programme information that the first digit prediction inputted according to user is likely to occur；
Step S1008, using the time for cutting platform wait, the programme information is transferred to respective modules and buffers the program (i.e.
Programme information corresponding to the numeral of user key combination is immediately transmitted to cache management module and enters row buffering, it is ensured that is cutting platform etc.
After the time treated, program can play back immediately).
Figure 11 is the programme information according to embodiments of the present invention for cutting platform by upper lower key by prediction module prediction user
Schematic diagram, as shown in figure 11, the process include：
Step S1102, set top box enters lower key in broadcast interface or user's operation for the first time to carry out cutting platform；
Step S1104, prediction module detect that set top box enters broadcast interface or receives lower key progress for the first time
Cut the information of platform；
Step S1106, prediction module is according to two programme informations above and below currently playing program acquisition；
Step S1108, the programme information of prediction is transferred to the program of respective modules buffering prediction using reproduction time.
Figure 12 be it is according to embodiments of the present invention by caching management module cache audio, video data schematic diagram, such as Figure 12
Shown, the process includes：
Step S1202, filter the audio/video information of descrambling；
Step S1204, it is transferred to cache management module；
Step S1206, when caching cuts platform, the nearest video requency frame data of video is can decode that, and cache according to synchronizing information
Corresponding voice data.For example, starting using I frames as buffering, next I frames covering earlier data is run into by that analogy until needing
Decode the buffered data, corresponding Audio Buffer is needed according to video buffer update of time stamp buffered data, can during to decode
With quick decoding video 504, and reach the purpose of audio-visual synchronization；
Step S1208, decoder obtain audio and video buffer data and decoded.
Figure 13 is that each module cooperative work according to embodiments of the present invention realizes that dual-mode set-top box prediction multifrequency point is quickly cut
Platform schematic diagram, as shown in figure 13, the process include：
Prediction module 1302 predicts programme information, is initially transmitted to the frequency locking of tuner management module 201, is then communicated to section
Mesh path management module 1306 sets audio frequency and video and table filtering, and program descrambling management module 1308 is channel allocation descrambling resources,
The distributing buffer passage of program cache management module 1310, the docking of decoder management module 211 need the passage played.
It should be noted that above-mentioned modules can be realized by software or hardware, for the latter, Ke Yitong
Cross in the following manner realization, but not limited to this：Above-mentioned module is respectively positioned in same processor；Or above-mentioned modules are with any
The form of combination is located in different processors respectively.
Embodiment 3
Embodiments of the invention additionally provide a kind of storage medium.Alternatively, in the present embodiment, above-mentioned storage medium can
The program code for performing following steps to be arranged to storage to be used for：
S1, it is determined that prediction program corresponding to the first button operation received；
S2, it is not detected by the given time before the second button operation, cache prediction program；
S3, currently playing program is switched to prediction program.
Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：It is determined that receive
Prediction program includes corresponding to first button operation：
S1, on the first button operation is in the case of the operation of lower key zapping, determine up and down the two of currently playing program
Individual program is prediction program；
S2, in the case where the first button operation is by digital key operation, it is determined that being saved corresponding to the numerical key detected
Mesh is prediction program.
Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：Cache prediction program
Including：
S1, the video in a manner of predetermined frame in cache prediction program；
S2, stabbed according to the buffer time of video, buffer audio corresponding with video.
Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：It is determined that receiving
The first button operation corresponding to prediction program after, in addition to：
S1, it is determined that the frequency of prediction program；
S2, according to frequency, and the corresponding relation of frequency and tuner, it is determined that the tuner for receiving prediction program；
S3, prediction program is received using the tuner of determination.
Alternatively, storage medium is also configured to the program code that storage is used to perform following steps：Using determination
After tuner receives prediction program, in addition to：For each prediction program distribution audio frequency and video passage in prediction program.
Alternatively, in the present embodiment, above-mentioned storage medium can include but is not limited to：USB flash disk, read-only storage (ROM,
Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disc or
CD etc. is various can be with the medium of store program codes.
Alternatively, in the present embodiment, processor performs according to the program code stored in storage medium：It is determined that receive
Prediction program corresponding to the first button operation arrived；It is not detected by the given time before the second button operation, cache prediction
Program；Currently playing program is switched to prediction program.
Alternatively, in the present embodiment, processor performs according to the program code stored in storage medium：It is determined that receive
To the first button operation corresponding to prediction program include：On the first button operation is in the case of the operation of lower key zapping, really
Two programs up and down of fixed currently playing program are prediction program；It is the situation by digital key operation in the first button operation
Under, it is determined that program corresponding to the numerical key detected is prediction program.
Alternatively, in the present embodiment, processor performs according to the program code stored in storage medium：Cache prediction
Program includes：Video in a manner of predetermined frame in cache prediction program；Stabbed according to the buffer time of video, buffering and video pair
The audio answered.
Alternatively, in the present embodiment, processor performs according to the program code stored in storage medium：It is determined that connecing
After prediction program corresponding to the first button operation received, in addition to：It is determined that the frequency of prediction program；According to frequency, and
The corresponding relation of frequency and tuner, it is determined that the tuner for receiving prediction program；Prediction is received using the tuner of determination
Program.
Alternatively, in the present embodiment, processor performs according to the program code stored in storage medium：Using true
After fixed tuner receives prediction program, in addition to：For each prediction program distribution audio frequency and video passage in prediction program.
Alternatively, the specific example in the present embodiment may be referred to described in above-described embodiment and optional embodiment
Example, the present embodiment will not be repeated here.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed
Network on, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to they are stored
Performed in the storage device by computing device, and in some cases, can be with different from shown in order execution herein
The step of going out or describing, they are either fabricated to each integrated circuit modules respectively or by multiple modules in them or
Step is fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware and software combination.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. program switching method, it is characterised in that including：It is determined that prediction program corresponding to the first button operation received；It is not detected by the given time before the second button operation, caches the prediction program；Currently playing program is switched to the prediction program.
- 2. according to the method for claim 1, it is characterised in that it is determined that institute corresponding to first button operation received Stating prediction program includes：On first button operation is in the case of the operation of lower key zapping, two sections up and down of currently playing program are determined Mesh is the prediction program；In the case where first button operation is by digital key operation, it is determined that program corresponding to the numerical key detected is The prediction program.
- 3. according to the method for claim 1, it is characterised in that the caching prediction program includes：The video in the prediction program is cached in a manner of predetermined frame；Stabbed according to the buffer time of the video, buffer audio corresponding with the video.
- 4. according to the method for claim 1, it is characterised in that it is determined that corresponding to first button operation received After the prediction program, in addition to：Determine the frequency of the prediction program；According to the frequency, and the corresponding relation of frequency and tuner, it is determined that the tuner for receiving the prediction program；The prediction program is received using the tuner of determination.
- 5. according to the method for claim 4, it is characterised in that the prediction section is being received using the tuner determined After mesh, in addition to：For each prediction program distribution audio frequency and video passage in the prediction program.
- A kind of 6. program switching device, it is characterised in that including：First determining module, for determining to predict program corresponding to the first button operation for receiving；Cache module, for before being not detected by the second button operation in the given time, caching the prediction program；Handover module, for currently playing program to be switched into the prediction program.
- 7. device according to claim 6, it is characterised in that first determining module includes：First determining unit, on being in first button operation in the case of the operation of lower key zapping, determine currently playing Two programs up and down of program be the prediction program；Second determining unit, in the case where first button operation is by digital key operation, it is determined that detect Program corresponding to numerical key is the prediction program.
- 8. device according to claim 6, it is characterised in that the cache module includes：First buffer unit, for caching the video in the prediction program in a manner of predetermined frame；Second buffer unit, for being stabbed according to the buffer time of the video, buffer audio corresponding with the video.
- 9. device according to claim 6, it is characterised in that also include：Second determining module, for determining the frequency of the prediction program；3rd determining module, for according to the frequency, and the corresponding relation of frequency and tuner, it is determined that described for receiving Predict the tuner of program；Receiving module, for receiving the prediction program using the tuner determined.
- 10. device according to claim 9, it is characterised in that also include：Distribute module, for for it is described prediction program in each prediction program distribution audio frequency and video passage.
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| CN201610587097.XA CN107645671A (en) | 2016-07-22 | 2016-07-22 | Program switching method and device |
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| CN201610587097.XA CN107645671A (en) | 2016-07-22 | 2016-07-22 | Program switching method and device |
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