CN108566526B - Program playing method and device and set top box - Google Patents
Program playing method and device and set top box Download PDFInfo
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- CN108566526B CN108566526B CN201810338512.7A CN201810338512A CN108566526B CN 108566526 B CN108566526 B CN 108566526B CN 201810338512 A CN201810338512 A CN 201810338512A CN 108566526 B CN108566526 B CN 108566526B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/50—Tuning indicators; Automatic tuning control
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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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/426—Internal components of the client ; Characteristics thereof
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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
- H04N21/41—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
- H04N21/4263—Internal components of the client ; Characteristics thereof for processing the incoming bitstream involving specific tuning arrangements, e.g. two tuners
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Television Signal Processing For Recording (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
The embodiment of the invention provides a video playing method, a video playing device and a set top box, relates to the technical field of video playing, and solves the problem that in the prior art, when a user wants to realize simultaneous multiple functions (program playing or program recording) under the same signal source through the set top box, each tuner can only realize one function at the same time, so that the user needs to additionally purchase a tuner to realize the corresponding function, and the experience cost of the user is higher. The method comprises the steps of determining program parameters of a first program when a first instruction is received; when a first operation type is executed on the first program, if a second instruction is received, judging whether the program parameters of a second program are the same as the program parameters of the first program; when the determination is the same, providing a program signal of a second program through a tuner providing a program signal for the first program, and performing the second operation category on the second program. The embodiment of the invention is used for manufacturing the set top box.
Description
Technical Field
The invention relates to the technical field of set top boxes, in particular to a program playing method and device and a set top box.
Background
The front view of a set-top box in the prior art as shown in fig. 1 comprises: the interface 1 and the interface 2 located in the area 1, and the interface 1 and the interface 2 located in the area 2, and a worker may set a function of each interface in the area 1 and the area 2 when the set-top box leaves a factory.
Illustratively, the function of each interface in the area 1 is set as program playing, the function of each interface in the area 2 is set as program recording, the interface 1 in the area 1 is connected with the signal source 1 through the tuner 1, the interface 2 in the area 1 is connected with the signal source 2 through the tuner 2, the interface 1 in the area 2 is connected with the signal source 1 through the tuner 3, and the interface 2 in the area 2 is connected with the signal source 2 through the tuner 4, when a user needs to play and record programs simultaneously in the signal source 1, the set-top box needs to lock the tuner 1 according to the frequency point frequency of the program to be played and lock the tuner 3 according to the frequency point frequency of the program to be recorded, thereby realizing the simultaneous program playing and program recording of the program in the signal source 1 (the simultaneous program playing and program recording of the program in the signal source 2 are similar to the signal source 1, not described in detail herein); however, in general, a user only plays a program in the signal source 1 and/or the signal source 2 through the set-top box and does not record the program, that is, the tuner 1 and the tuner 2 are often used, and the tuner 3 and the tuner 4 are often idle, so that the utilization rate of the set-top box to the connected tuner is low.
As can be seen from the above, the utilization rate of the connected tuner by the set-top box in the prior art is low.
Disclosure of Invention
The embodiment of the invention provides a video playing method, a video playing device and a set top box, and solves the problem that the utilization rate of a connected tuner is low in the prior art.
In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:
in a first aspect, an embodiment of the present invention provides a program playing method, including: when a first instruction is received, determining program parameters of a first program, and carrying out frequency locking on a tuner providing program signals of the first program; wherein the first instruction comprises: a first class of operations, the first class of operations comprising: any one of program play, program recording and program search, the program parameters comprising: frequency point frequency, symbol rate and modulation mode; when a first operation type is executed on a first program, if a second instruction is received, judging whether the program parameters of a second program are the same as the program parameters of the first program; when the program parameters of the second program are determined to be the same as the program parameters of the first program, providing the program signals of the second program through a tuner providing the program signals for the first program, and executing a second operation category on the second program; wherein the second instruction comprises: a second class of operations, the second class of operations comprising: any one of program play, program recording, and program search.
Optionally, the method further includes: when the program parameters of the second program are different from the program parameters of the first program, if a tuner providing the program signals of the second program exists, performing frequency locking on the tuner providing the program signals of the second program, and executing a second operation type on the second program; if there is no tuner that provides a program signal of the second program, an error indication is output to perform a second operation category for the second program.
Optionally, the method further includes: acquiring an operation state list of a tuner; wherein the running state list includes: tuner, program for providing program signal through tuner and corresponding relation of operation type of program, the operation type includes: any one of program play, program recording, and program search; and when the first program finishes the first operation category or the second program finishes the first operation category, releasing the tuner for providing the program signal for the first program and updating the running state list, or releasing the tuner for providing the program signal for the second program and updating the running state list.
Optionally, the first instruction further includes: the first program ID, the second instructions further comprise: the second program ID, the program parameters include: a program ID; when receiving the first instruction, before determining the program parameter of the first program, the method further includes: acquiring a program list of at least one signal source; wherein the program list includes: at least one program, and program parameters of the at least one program; when the first instruction is received, determining the program parameters of the first program comprises: when receiving a first program ID, inquiring a program list according to the first program ID, and determining program parameters of the first program; wherein each program ID corresponds to a program; when a first operation type is executed on a first program, if a second instruction is received, judging whether the program parameters of the second program are matched with the program parameters of the first program, wherein the judging step comprises the following steps: when the first operation type is executed on the first program, if the second program ID is received, whether the program parameter of the second program is matched with the program parameter of the first program is judged.
A second aspect and an embodiment of the present invention provide a program playing apparatus, including: the processing module is used for determining program parameters of the first program when receiving the first instruction and performing frequency locking on a tuner providing program signals of the first program; wherein the first instruction comprises: a first class of operations, the first class of operations comprising: any one of program play, program recording and program search, the program parameters comprising: frequency point frequency, symbol rate and modulation mode; the processing module is further used for judging whether the program parameters of the second program are the same as the program parameters of the first program or not if a second instruction is received when the first operation type is executed on the first program; when the program parameters of the second program are determined to be the same as the program parameters of the first program, providing the program signals of the second program through a tuner providing the program signals for the first program, and executing a second operation category on the second program; wherein the second instruction comprises: a second class of operations, the second class of operations comprising: any one of program play, program recording, and program search.
Optionally, the processing module is further configured to, when the program parameter of the second program is different from the program parameter of the first program, perform frequency locking on a tuner providing the program signal of the second program if the tuner providing the program signal of the second program exists, and perform a second operation type on the second program; if there is no tuner that provides a program signal of the second program, an error indication is output to perform a second operation category for the second program.
Optionally, the apparatus further comprises: an acquisition module; the acquisition module is used for acquiring an operation state list of the tuner; wherein the running state list includes: tuner, program for providing program signal through tuner and corresponding relation of operation type of program, the operation type includes: any one of program play, program recording, and program search; the processing module is further configured to release the tuner that provides the program signal for the first program and update the running state list acquired by the acquisition module, or release the tuner that provides the program signal for the second program and update the running state list acquired by the acquisition module, when the first program finishes the first operation category or the second program finishes the first operation category.
Optionally, the first instruction further includes: the first program ID, the second instructions further comprise: the second program ID, the program parameters include: a program ID; the device still includes: an acquisition module; the acquisition module is used for acquiring a program list of at least one signal source; wherein the program list includes: at least one program, and program parameters of the at least one program; the processing module is specifically used for querying the program list acquired by the acquisition module according to the first program ID when the first program ID is received, and determining the program parameter of the first program; wherein each program ID corresponds to a program; and the processing module is specifically used for judging whether the program parameters of the second program are matched with the program parameters of the first program or not if the second program ID is received when the first operation type is executed on the first program.
A third aspect and an embodiment of the present invention provide a set top box, including: any one of the program playing apparatuses provided in the second aspect.
The embodiment of the invention provides a video playing method, a video playing device and a set-top box, wherein when a tuner for providing a program signal for a first program is occupied, a user needs to provide the program signal through a new tuner if the user needs to play (record or search) a second program like the prior art; when the first program is being executed with the first operation type, if a second instruction is received, judging whether the program parameter of the second program is the same as the program parameter of the first program; when the program parameters of the second program are determined to be the same as the program parameters of the first program, the tuner providing the program signals of the second program for the first program can realize that the same tuner plays (records or searches) the first program and the second program without newly adding the tuner by a user, so that the utilization rate of the tuner is improved, and the problem of low utilization rate of the connected tuner by the set-top box in the prior art is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a set-top box in the prior art;
fig. 2 is a schematic view of an operation connection structure applied to a set-top box for providing a program playing method according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating a program playing method according to an embodiment of the present invention;
fig. 4 is a schematic flowchart of another program playing method according to an embodiment of the present invention;
fig. 5 is a schematic flowchart illustrating a program playing method according to another embodiment of the present invention;
fig. 6 is a schematic flowchart illustrating a program playing method according to another embodiment of the present invention;
fig. 7 is a schematic structural diagram of a program playing apparatus according to an embodiment of the present invention.
Reference numerals:
program playing means-10;
a processing module-101; and an acquisition module-102.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In practical applications, the device for executing the program playing method provided by the embodiment of the present invention may be a set top box or a Digital Television (full english: Digital Television, abbreviated as DTV); illustratively, the device is taken as a set-top box for explanation, and a specific connection structure is shown in fig. 2, and includes: the signal source 1 is connected with the 2-tuner A and the 3-tuner B, the signal source 2 is connected with the 5-tuner C, and the 2-tuner A, the 3-tuner B and the 5-tuner C are connected with the 6-set top box; each signal source comprises a plurality of frequency points, each frequency point comprises a plurality of programs, and therefore, the program parameters of each program comprise: signal source, frequency point parameter and program ID, audio frequency parameter, video parameter, the frequency point parameter includes: the specific implementation modes of the frequency point frequency, the symbol rate and the modulation mode are as follows:
the first embodiment,
An embodiment of the present invention provides a program playing method, as shown in fig. 3, including:
s101, when a first instruction is received, determining program parameters of a first program, and carrying out frequency locking on a tuner providing a program signal of the first program; wherein the first instruction comprises: a first class of operations, the first class of operations comprising: any one of program play, program recording and program search, the program parameters comprising: frequency point frequency, symbol rate and modulation mode.
In practical applications, the generation of the first instruction includes two ways:
1. when the user turns off the set-top box and turns on the set-top box again, the set-top box can default to turn on the program played (recorded or searched) by the user before the last turn-off; thus, the first instruction at this time is automatically generated by the set-top box based on the program that the user played (recorded or searched) before the last shutdown.
2. After the user starts the set top box, since the user starts the program played (recorded or searched) by default before the last shutdown, at this time, if the user needs to replace other programs, the first instruction includes: the user inputs the program code (Identity, abbreviated as ID) and operation category of the set-top box.
Specifically, as shown in fig. 4, the first instruction in the program playing method according to the embodiment of the present invention further includes: the first program ID, the second instructions further comprise: the second program ID, the program parameters include: a program ID; when receiving the first instruction, before determining the program parameter of the first program, the method further includes:
s1040, obtaining a program list of at least one signal source; wherein the program list includes: at least one program, and program parameters of the at least one program; when the first instruction is received, determining the program parameters of the first program comprises:
s1010, when receiving the first program ID, inquiring a program list according to the first program ID, determining program parameters of the first program, and performing frequency locking on a tuner providing a program signal of the first program; wherein each program ID corresponds to a program; when a first operation type is executed on a first program, if a second instruction is received, judging whether the program parameters of the second program are matched with the program parameters of the first program, wherein the judging step comprises the following steps:
s2010, when the first operation type is executed on the first program, if the second program ID is received, determining whether the program parameter of the second program matches the program parameter of the first program.
It should be noted that, in practical applications, acquiring the program list of at least one signal source includes:
a user selects a signal source to be searched, such as a signal source 1 or a signal source 2; the user selects the connection configuration mode of the signal source, as shown in fig. 2 for signal source 1, the available tuner comprises: tuner A and tuner B; signal source for 2, the tuner available comprises: a tuner C; after a user selects a signal source, the set top box starts to search programs of the signal source, and records and stores program parameters of all searched programs to a program list corresponding to the program parameters of each program; the program parameters include: signal source, high frequency head for providing program signal of said program, frequency point frequency, symbol rate and modulation mode.
S102, when the first operation type is executed on the first program, if a second instruction is received, judging whether the program parameters of the second program are the same as the program parameters of the first program.
It should be noted that, in practical applications, when a user plays, records or searches a first program through a set-top box, if the user wants to play, record or search a second program, a second instruction needs to be input (where the second instruction includes a program ID corresponding to the second program); therefore, when the set-top box receives the second instruction, it needs to be determined whether the second instruction needs to be executed by using a new tuner.
Specifically, the frequency point frequency, the symbol rate, and the modulation mode of the second program are the same as the frequency point frequency, the symbol rate, and the modulation mode of the first program, which means that the frequency point frequency of the second program is the same as the frequency point frequency of the first program, the symbol rate of the second program is the same as the symbol rate of the first program, and the modulation mode of the second program is the same as the modulation mode of the first program.
Illustratively, the user plays (records or searches) the program through the schematic connection structure shown in fig. 2, wherein the central station 1 and the central station 6 are provided by the same signal source:
suppose that a user wants to watch the central station 1, and the frequency of the frequency point where the central station 1 is located is 350M; because the signal source 1 is connected with the tuner A and the tuner B at the same time, when a user starts the set-top box, the central 1 station can be played (recorded or searched) through any tuner of the tuner A or the tuner B; for convenience, the central 1 station is played through tuner a here so that the playing can be done; at this time, if the user wants to record the central 6 stations and the frequency of the frequency point of the central 6 stations is also 350M, according to the content recorded in step S102, since the frequency point of the central 6 stations is the same as the frequency point of the central one station, it is not necessary to provide the program signal of the central 6 stations through the TUNER B, but the TUNER a is multiplexed (instead of newly applying for a TUNER _ B) to provide the program signal of the central 6 stations, so that the recording can be performed.
Specifically, as shown in fig. 5, an embodiment of the present invention provides a program playing method, further including:
and S1031-1, when the program parameter of the second program is different from the program parameter of the first program, if a tuner providing the program signal of the second program exists, performing frequency locking on the tuner providing the program signal of the second program, and executing a second operation type on the second program.
And S1031-2, if there is no tuner providing the program signal of the second program, outputting an error indication for executing the second operation type on the second program.
Illustratively, the user plays (records or searches) the program through the schematic connection structure shown in fig. 2, wherein the central station 1 and the central station 6 are provided by the same signal source: assuming that a user wants to watch the central station 1, the frequency point of the central station 1 is 350M, and the set-top box plays the central station 1 through the tuner A, so that the playing can be carried out; at this time, if the user wants to record the central 6 stations and the frequency point frequency of the central 6 stations is 380M, according to the content recorded in fig. 5, since the frequency point frequency of the central 6 stations is different from the frequency point frequency of the central one station, the program signal of the central 6 stations needs to be provided through the tuner B, so that the recording can be performed.
Illustratively, the user plays (records or searches) the program through the schematic connection structure shown in fig. 2, wherein the central station 1 and the central station 6 are provided by the same signal source: assuming that a user wants to watch the central station 1, the frequency point of the central station 1 is 350M, and the set-top box plays the central station 1 through the tuner C, so that the playing can be carried out; at this time, if the user wants to record 6 central stations and the frequency point frequency of the 6 central stations is 380M, then according to the content recorded in fig. 5, since the frequency point frequency of the 6 central stations is different from the frequency point frequency of the one central station, since there is no tuner capable of passing program signals for the 6 central stations, the set-top box will report an error indication for recording the 6 central stations.
Illustratively, the user plays (records or searches) the program through a schematic diagram of the connection structure as shown in fig. 2, wherein the central station 1 is provided by two different signal sources: assuming that the signal source 1 and the signal source 2 both have the center 1 station and the frequency point frequency is 350M, assuming that the user wants to watch the center 1 station and the frequency point frequency of the center 1 station is 350M, the set-top box can provide program signals through the tuner a, the tuner B or the tuner C, so that playing can be performed.
For example, a user plays (records or searches) a program through a schematic connection structure shown in fig. 2, where the frequency points from the center 1 station to the center 6 station are all 350M, and the frequency points from the center 7 station to the center 12 station are 358M: assume that the user is providing a program signal for center 1 station via tuner a and a program signal for center 7 station via tuner B; therefore, when a client wants to open the picture-in-picture function, the client can sequentially check what contents are played by the central 1-12 stations through small pictures; when the user checks the central station 1 to the central station 6, the set-top box can multiplex the tuner A to play the small picture; when checking the central 7 to the central 12, the tuner B is multiplexed to play the small picture, and then the tuner B works in the playing and recording modes at the same time, and when checking the central 7-12, the current recording function of the central 7 is not influenced.
Specifically, the implementation manner of providing the program signal of the center 1 station through the tuner C, or providing the program signal of the center 7 station through the tuner C, or providing the program signal of the center 1 station through the tuner B, or providing the program signal of the center 7 station through the tuner a is similar to the above-mentioned scheme, and is not described here again.
S103, when the program parameters of the second program are determined to be the same as the program parameters of the first program, providing the program signals of the second program through a tuner providing the program signals for the first program, and executing a second operation category on the second program; wherein the second instruction comprises: a second class of operations, the second class of operations comprising: any one of program play, program recording, and program search.
Optionally, as shown in fig. 6, an embodiment of the present invention provides a program playing method, further including:
s1052, acquiring an operation state list of the tuner; wherein the running state list includes: tuner, program for providing program signal through tuner and corresponding relation of operation type of program, the operation type includes: any one of program play, program recording, and program search.
S1062, when the first program finishes the first operation category or the second program finishes the first operation category, releasing the tuner providing the program signal for the first program and updating the running state list, or releasing the tuner providing the program signal for the second program and updating the running state list.
In particular, in practical applications. A user records program signals of 4 central stations and 5 central stations through the tuner A through the central station 1, the frequency points of the corresponding central station 1, the central station 4 and the central station 5 are both 350M, and the working function state of the tuner A is broadcasting and double recording; if the user stops recording of the 4 central stations at this time, the tuner A recovers a recording state, and the working function state of the tuner A is playing + single recording at this time; if the user stops recording of the central station 5 at this time, the TUNER A recovers a recording state, and the working function state of the TUNER _ A is playing; if the user stops playing the central station 1 again, the tuner A recovers a playing state, and the working function state of the tuner A is an idle state at this time, so that the tuner A can be used for next new working parameter distribution, and the running state of the current tuner can be managed conveniently.
The embodiment of the invention provides a video playing method, which does not need to provide a program signal through a new tuner if a user needs to play (record or search) a second program when the tuner providing the program signal for a first program is occupied like the prior art; when the first program is being executed with the first operation type, if a second instruction is received, judging whether the program parameter of the second program is the same as the program parameter of the first program; when the program parameters of the second program are determined to be the same as the program parameters of the first program, the tuner providing the program signals of the second program for the first program can realize that the same tuner plays (records or searches) the first program and the second program without newly adding the tuner by a user, so that the utilization rate of the tuner is improved, and the problem of low utilization rate of the connected tuner by the set-top box in the prior art is solved.
Example II,
An embodiment of the present invention provides a program playing apparatus 10, as shown in fig. 7, including:
the processing module 101 is configured to, when receiving the first instruction, determine a program parameter of the first program, and perform frequency locking on a tuner that provides a program signal of the first program; wherein the first instruction comprises: a first class of operations, the first class of operations comprising: any one of program play, program recording and program search, the program parameters comprising: frequency point frequency, symbol rate and modulation mode.
The processing module 101 is further configured to, when the first operation type is executed on the first program, determine whether a program parameter of the second program is the same as a program parameter of the first program if the second instruction is received; when the program parameters of the second program are determined to be the same as the program parameters of the first program, providing the program signals of the second program through a tuner providing the program signals for the first program, and executing a second operation category on the second program; wherein the second instruction comprises: a second class of operations, the second class of operations comprising: any one of program play, program recording, and program search.
Optionally, the processing module 101 is further configured to, when the program parameter of the second program is different from the program parameter of the first program, if a tuner providing a program signal of the second program exists, perform frequency locking on the tuner providing the program signal of the second program, and execute a second operation type on the second program; if there is no tuner that provides a program signal of the second program, an error indication is output to perform a second operation category for the second program.
Optionally, the apparatus further comprises: an acquisition module 102; an obtaining module 102, configured to obtain an operating state list of a tuner; wherein the running state list includes: tuner, program for providing program signal through tuner and corresponding relation of operation type of program, the operation type includes: any one of program play, program recording, and program search; the processing module 101 is further configured to release the tuner that provides the program signal for the first program and update the running state list acquired by the acquiring module 102, or release the tuner that provides the program signal for the second program and update the running state list acquired by the acquiring module 102, when the first program finishes the first operation category or the second program finishes the first operation category.
Optionally, the first instruction further includes: the first program ID, the second instructions further comprise: the second program ID, the program parameters include: a program ID; the device still includes: an acquisition module 102; an obtaining module 102, configured to obtain a program list of at least one signal source; wherein the program list includes: at least one program, and program parameters of the at least one program; the processing module 101 is specifically configured to, when receiving the first program ID, query the program list acquired by the acquisition module 102 according to the first program ID, and determine a program parameter of the first program; wherein each program ID corresponds to a program; the processing module 101 is specifically configured to, when the first operation type is executed on the first program, determine whether the program parameter of the second program matches the program parameter of the first program if the second program ID is received.
Embodiments of the present invention provide a video playing apparatus, which does not need to provide a program signal through a new tuner if a user needs to play (record or search) a second program when the tuner providing the program signal for a first program is occupied as in the prior art; when the first program is being executed with the first operation type, if a second instruction is received, judging whether the program parameter of the second program is the same as the program parameter of the first program; when the program parameters of the second program are determined to be the same as the program parameters of the first program, the tuner providing the program signals of the second program for the first program can realize that the same tuner plays (records or searches) the first program and the second program without newly adding the tuner by a user, so that the utilization rate of the tuner is improved, and the problem of low utilization rate of the connected tuner by the set-top box in the prior art is solved.
Example III,
An embodiment of the present invention provides a set top box, including: any one program playing apparatus as provided in embodiment two. For a specific program playing apparatus, reference may be made to the related description in the second apparatus embodiment, and details are not described herein again.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (7)
1. A method for playing back a program, comprising:
when a first instruction is received, determining program parameters of a first program, and carrying out frequency locking on a tuner providing a program signal of the first program; wherein the first instruction comprises: a first class of operation, the first class of operation comprising: any one of program play, program recording and program search, the program parameters comprising: frequency point frequency, symbol rate and modulation mode;
when a first operation type is executed on the first program, if a second instruction is received, judging whether the program parameters of a second program are the same as the program parameters of the first program; when the program parameters of the second program are determined to be the same as the program parameters of the first program, providing program signals of the second program through a tuner providing the program signals for the first program, and executing a second operation category on the second program; wherein the second instructions include: a second class of operations, the second class of operations comprising: any one of program play, program recording, and program search;
acquiring an operation state list of a tuner; wherein the run state list comprises: a tuner, a program for providing a program signal through the tuner, and a correspondence relationship between operation types of the program, the operation types including: any one of program play, program recording, and program search;
when the first program finishes the first operation type, releasing a tuner providing program signals for the first program and updating the running state list; and when the second program finishes the second operation type, releasing a tuner for providing program signals for the second program and updating the running state list.
2. The method of claim 1, further comprising: when the program parameters of a second program are different from the program parameters of the first program, if a tuner providing the program signals of the second program exists, performing frequency locking on the tuner providing the program signals of the second program, and executing the second operation type on the second program;
and if the tuner providing the program signal of the second program does not exist, outputting an error indication for executing the second operation type on the second program.
3. The method of claim 1, wherein the first instruction further comprises: the first program ID, the second instructions further comprising: a second program ID, the program parameters including: a program ID;
when the first instruction is received and before the program parameter of the first program is determined, the method further includes:
acquiring a program list of at least one signal source; wherein the program list includes: at least one program, and program parameters of the at least one program;
when the first instruction is received, determining the program parameters of the first program comprises:
when a first program ID is received, inquiring the program list according to the first program ID, and determining program parameters of the first program; wherein each program ID corresponds to a program;
when the first program is executed with the first operation type, if a second instruction is received, judging whether the program parameter of the second program is the same as the program parameter of the first program, including:
when the first program is executed with the first operation type, if a second program ID is received, judging whether the frequency point frequency, the symbol rate and the modulation mode of the second program are the same as those of the first program.
4. A program playing apparatus, comprising:
the processing module is used for determining program parameters of a first program when a first instruction is received, and performing frequency locking on a tuner providing a program signal of the first program; wherein the first instruction comprises: a first class of operation, the first class of operation comprising: any one of program play, program recording and program search, the program parameters comprising: frequency point frequency, symbol rate and modulation mode;
the processing module is further configured to determine whether a program parameter of a second program is the same as a program parameter of the first program if a second instruction is received when the first operation type is executed on the first program; when the program parameters of the second program are determined to be the same as the program parameters of the first program, providing program signals of the second program through a tuner providing the program signals for the first program, and executing a second operation category on the second program; wherein the second instructions include: a second class of operations, the second class of operations comprising: any one of program play, program recording, and program search;
the device further comprises: an acquisition module;
the acquisition module is used for acquiring an operation state list of the tuner; wherein the run state list comprises: a tuner, a program for providing a program signal through the tuner, and a correspondence relationship between operation types of the program, the operation types including: any one of program play, program recording, and program search;
the processing module is further configured to release a tuner that provides a program signal for the first program and update the running state list acquired by the acquisition module when the first program finishes executing the first operation category; and when the second program finishes executing the second operation type, releasing a tuner which provides program signals for the second program and updating the running state list acquired by the acquisition module.
5. The apparatus of claim 4, wherein the processing module is further configured to, when the program parameter of the second program is different from the program parameter of the first program, if there is a tuner that provides a program signal of the second program, perform frequency locking on the tuner that provides the program signal of the second program, and perform the second operation type on the second program;
and if the tuner providing the program signal of the second program does not exist, outputting an error indication for executing the second operation type on the second program.
6. The program playback apparatus of claim 4, wherein the first instruction further comprises: the first program ID, the second instructions further comprising: a second program ID, the program parameters including: a program ID;
the acquisition module is used for acquiring a program list of at least one signal source; wherein the program list includes: at least one program, and program parameters of the at least one program;
the processing module is specifically configured to, when a first program ID is received, query the program list acquired by the acquisition module according to the first program ID, and determine a program parameter of the first program; wherein each program ID corresponds to a program;
the processing module is specifically configured to, when a first operation type is executed on the first program, determine whether a frequency point frequency, a symbol rate, and a modulation mode of a second program are the same as a frequency point frequency, a symbol rate, and a modulation mode of the first program if a second program ID is received.
7. A set top box, comprising: a program playback apparatus as claimed in any one of claims 4 to 6.
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| CN201810338512.7A CN108566526B (en) | 2018-04-16 | 2018-04-16 | Program playing method and device and set top box |
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