CN110012345B - Channel switching method and television terminal - Google Patents
Channel switching method and television terminal Download PDFInfo
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- CN110012345B CN110012345B CN201910203701.8A CN201910203701A CN110012345B CN 110012345 B CN110012345 B CN 110012345B CN 201910203701 A CN201910203701 A CN 201910203701A CN 110012345 B CN110012345 B CN 110012345B
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000010586 diagram Methods 0.000 description 13
- 238000004590 computer program Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
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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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
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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
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
- H04N21/4383—Accessing a communication channel
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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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- 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)
Abstract
The invention relates to the technical field of televisions, in particular to a channel switching method and a television terminal, which are used for solving the problem that in the prior art, in the process of recording programs favored by users, if channel switching occurs, the recorded programs need to be stopped, so that the programs favored by the users cannot be recorded completely. The television terminal locks the frequency point of the first channel through the first tuner, plays the program information of the first channel through the first playing module corresponding to the first tuner, and records the program information of the first channel through the first recording module corresponding to the first tuner; determining that the second channel needs to be switched to according to the received switching instruction; and creating a second playing module corresponding to the second tuner, and playing the program information of the second channel through the second playing module. The embodiment of the invention does not need to stop the first recording module after the channel switching occurs, thereby being capable of recording the program information of the first channel favored by the user completely.
Description
Technical Field
The present invention relates to the field of television technologies, and in particular, to a channel switching method and a television terminal.
Background
With the development of society and the advancement of technology, more and more channels can be played by a television, and the program content of each channel is more and more colorful. However, the programs of each channel have fixed playing time, and for the favorite programs of the user, the user may not have enough free time to watch the whole program.
Currently, when a favorite program of a user is played, the user can select to record the program at the same time. Therefore, if the user does not have enough time to watch the complete program, the recorded program can be watched in idle time, and the user is prevented from missing the favorite program. When the television plays the favorite program of the user, the frequency point corresponding to the program is locked by the tuner, the program is played by using the playing module corresponding to the tuner, and the program is recorded by using the recording module corresponding to the tuner. However, after the user switches to another channel, if the switched channel and the currently played channel are different frequency points, the television needs to lock the frequency point of the switched channel through the tuner, and then the recording of the program before switching needs to be stopped, so that the program which the user likes cannot be completely recorded.
In summary, in the process of recording the favorite program of the user, if a channel switching occurs, the program being recorded needs to be stopped, so that the favorite program of the user cannot be recorded completely.
Disclosure of Invention
The invention provides a channel switching method and a television terminal, which are used for solving the problem that in the prior art, in the process of recording programs favorite to a user, if channel switching occurs, the recorded programs need to be stopped, so that the programs favorite to the user cannot be recorded completely.
Based on the foregoing problem, in a first aspect, an embodiment of the present invention provides a channel switching method, including:
the television terminal locks a frequency point of a first channel through a first tuner, plays program information of the first channel through a first playing module corresponding to the first tuner, and records the program information of the first channel through a first recording module corresponding to the first tuner;
the television terminal determines that a second channel needs to be switched to according to the received switching instruction; the frequency point corresponding to the second channel is different from the frequency point corresponding to the first channel;
and the television terminal establishes a second playing module corresponding to a second tuner, and plays the program information of the second channel through the second playing module corresponding to the second tuner.
In a second aspect, an embodiment of the present invention provides a television terminal, including at least two tuners, at least one processing unit, and at least one storage unit;
wherein the storage unit stores program code that, when executed by the processing unit, causes the processing unit to perform the following:
the method comprises the steps that a frequency point of a first channel is locked through a first tuner, program information of the first channel is played through a first playing module corresponding to the first tuner, and the program information of the first channel is recorded through a first recording module corresponding to the first tuner;
determining that the second channel needs to be switched to according to the received switching instruction; the frequency point corresponding to the second channel is different from the frequency point corresponding to the first channel;
and creating a second playing module corresponding to a second tuner, and playing the program information of the second channel through the second playing module corresponding to the second tuner.
In a third aspect, an embodiment of the present invention provides a channel switching apparatus, including:
the processing module is used for locking a frequency point of a first channel through a first tuner, playing program information of the first channel through a first playing module corresponding to the first tuner, and recording the program information of the first channel through a first recording module corresponding to the first tuner;
the determining module is used for determining that the second channel needs to be switched to according to the received switching instruction; the frequency point corresponding to the second channel is different from the frequency point corresponding to the first channel;
and the playing module is used for creating a second playing module corresponding to the second tuner and playing the program information of the second channel through the second playing module corresponding to the second tuner.
In a fourth aspect, embodiments of the present invention provide a computer-readable medium on which a computer program is stored, which when executed by a processor, performs the steps of the method according to the first aspect.
The television terminal comprises at least two tuners; the television terminal locks the frequency point of the first channel through the first tuner, plays the program information of the current first channel through the first playing module corresponding to the first tuner, and records the program information of the current first channel through the first recording module corresponding to the first tuner. After receiving the switching instruction, the television terminal needs to switch to a second channel different from the frequency point of the first channel, at this time, the television terminal creates a second playing module corresponding to the second tuner, locks the frequency point of the second channel through the second tuner, and uses the second playing module to play the program information of the second channel. In the embodiment of the invention, when the second channel is switched, the frequency point of the second channel does not need to be locked by the first tuner, so that the work of the first recording module corresponding to the first tuner is not influenced, and therefore, after the channel is switched, the first recording module does not need to be stopped to record the program information of the first channel, so that the program information of the first channel loved by a user can be completely recorded.
Drawings
FIG. 1 is a flow chart of a channel switching method according to an embodiment of the present invention;
fig. 2 is a schematic connection diagram of a first tuner, a first recording module, and a first playing module according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating a connection between a first tuner and a first recording module and a first playing module according to a second embodiment of the present invention;
fig. 4 is a schematic diagram illustrating a connection between a first tuner and a second playing module according to an embodiment of the present invention;
fig. 5 is a schematic diagram illustrating a connection between a second tuner and a second playing module according to a second embodiment of the present invention;
fig. 6 is a schematic diagram illustrating a connection between a first tuner and a second recording module according to an embodiment of the present invention;
fig. 7 is a schematic diagram illustrating a connection between a second tuner and a second recording module according to a second embodiment of the present invention;
fig. 8 is a schematic diagram of a connection between a second tuner and a second recording module and a second playing module according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a television terminal according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a channel switching apparatus according to an embodiment of the invention.
Detailed Description
The channel switching method of the embodiment of the invention can be applied to a television. One important component included in a television is a Tuner (Tuner), commonly known as a Tuner; when the television plays programs, the tuner locks the frequency point corresponding to the channel and plays the program information of the channel.
With the increasing abundance of functions of televisions, the televisions have increased the recording function of programs. In implementation, the television locks the frequency point of the recording channel through the tuner, and records the program information of the channel by using the recording module corresponding to the tuner. Moreover, with the increasing abundance of program information, different channels may simultaneously play favorite programs of the user, and in order to avoid the user missing a favorite program, the television set is added with a function of simultaneously recording program information of different channels. A plurality of tuners are provided in a television set, and programs of a plurality of channels favorite by a user are recorded by using the plurality of tuners.
For example, the television includes tuner 0 and tuner 1, and the user's favorite program has program information played on channel a and program information played on channel B; and locking the frequency point of the channel A by using the tuner 0, recording the program information of the channel A by using the recording module corresponding to the tuner 0, locking the frequency point of the channel B by using the tuner 1, and recording the program information of the channel B by using the recording module corresponding to the tuner 1.
Because the frequency point of the channel needs to be locked by the tuner when the television plays the program of the channel, if the television currently plays the program being recorded, it is assumed that the television plays the program of the channel a through the playing module corresponding to the tuner 0, and when the user needs to switch the played channel, it is assumed that the channel is switched to the channel B, when the channel B is played, the frequency point of the channel B needs to be locked by the tuner 0, and the program of the channel B is played by using the playing module corresponding to the tuner 0, so that, because the channel B needs to be locked by the tuner 0, the tuner 0 cannot continuously lock the frequency point of the frequency point a, and the recording of the program information of the channel a is stopped.
Based on the above problem, an embodiment of the present invention provides a channel switching method, where a television terminal locks a frequency point of a first channel through a first tuner, and plays program information of the first channel through a first playing module corresponding to the first tuner, and records the program information of the first channel through a first recording module corresponding to the first tuner; the television terminal determines that a second channel needs to be switched to according to the received switching instruction; the frequency point corresponding to the second channel is different from the frequency point corresponding to the first channel; and the television terminal establishes a second playing module corresponding to the second tuner, and plays the program information of the second channel through the second playing module.
The television terminal comprises at least two tuners; the television terminal locks the frequency point of the first channel through the first tuner, plays the program information of the current first channel through the first playing module corresponding to the first tuner, and records the program information of the current first channel through the first recording module corresponding to the first tuner. After receiving the switching instruction, the television terminal needs to switch to a second channel different from the frequency point of the first channel, at this time, the television terminal creates a second playing module corresponding to the second tuner, locks the frequency point of the second channel through the second tuner, and uses the second playing module to play the program information of the second channel. In the embodiment of the invention, when the second channel is switched, the frequency point of the second channel does not need to be locked by the first tuner, so that the work of the first recording module corresponding to the first tuner is not influenced, and therefore, after the channel is switched, the first recording module does not need to be stopped to record the program information of the first channel, so that the program information of the first channel loved by a user can be completely recorded.
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, 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.
An embodiment of the present invention provides a channel switching method, which is applied to a television terminal including at least two tuners, and as shown in fig. 1, the method includes:
In step 103, after determining that a second channel needs to be switched, the television terminal creates a second playing module corresponding to the second tuner; for the method for creating the second playing module corresponding to the second tuner by the television terminal, reference may be made to a method for creating a playing module in the prior art, which is not described herein again.
The television terminal according to the embodiment of the present invention includes at least two tuners, and the television terminal includes two tuners as an example.
A channel currently played and recorded by the television terminal is a first channel; and the television terminal locks the frequency point of the first channel through the first tuner.
As shown in fig. 2, the television terminal creates a corresponding first recording module 21 and a corresponding first playing module 22 for the first tuner 20;
in an alternative embodiment, the first recording module 21 includes a first HDR submodule and/or a first Demux submodule;
the first playing module 22 includes the following sub-modules:
the device comprises a first Player submodule, a first Video submodule, a first Speak submodule and a first Erphone submodule;
as shown in fig. 3, the first tuner 20 is connected to each of the sub-modules of the first recording module 21 and the first playing module 22.
After the television terminal locks the frequency point of the first channel through the first tuner, the program information of the first channel is played through the first playing module, and the program information of the first channel is recorded through the first recording module corresponding to the first tuner.
After receiving the switching instruction, the television terminal determines that the second channel needs to be switched; and the frequency point corresponding to the second channel is different from the frequency point corresponding to the first channel.
The switching instruction can be sent to the television terminal by the user through the external equipment; for example, the external device may be a remote controller or the like.
And the television terminal establishes a second playing module corresponding to the second tuner, locks the frequency point of the second channel through the second tuner, and plays the program information of the second channel through the second playing module.
It should be noted that before the television terminal switches to the second channel, the second tuner of the television terminal may be in an idle state, or the second tuner may also be in a state of recording program information of the second channel. The following description will be made separately.
1. The second tuner is in an idle state before the television terminal switches to the second channel.
After the television terminal determines that it needs to switch to the second channel, the television terminal creates a second playing module 41 corresponding to the second tuner 40; the connection relationship between the second tuner 40 and the second playing module 41 is shown in fig. 4.
In an optional implementation manner, the second playing module 41 includes the following partial or all sub-modules:
a second Player submodule, a second Video submodule, a second Speak submodule and a second Earp submodule.
As shown in fig. 5, the second tuner 40 is connected to each sub-module of the second playing module 41.
Since the television terminal can only play the program information of one channel at the same time, that is, only one playing module is needed, an optional implementation manner is as follows: after the television terminal determines that the television terminal needs to be switched to the second channel according to the received switching instruction, the television terminal stops playing the program information of the first channel through the first playing module corresponding to the first tuner before the second playing module corresponding to the second tuner is created, and releases the first playing module corresponding to the first tuner.
It should be noted that, after determining to switch to the second channel, the television terminal only releases the first playing module corresponding to the first tuner, and does not release the first recording module corresponding to the first tuner, so that after the television terminal switches to the second channel, the television terminal still records the program information of the first channel through the first recording module.
2. Before the television terminal is switched to the second channel, the second tuner may be in a state of recording program information of the second channel.
Optionally, the television terminal records the program information of the second channel through a second recording module corresponding to the second tuner.
Before the television terminal switches to the second channel, as shown in fig. 6, the second tuner 41 of the television terminal is connected to the second recording module 42.
Optionally, the second recording module 42 includes a second HDR submodule and/or a second Demux submodule;
as shown in fig. 7, the second tuner 40 is connected to each sub-module of the second recording module 42.
After the television terminal determines that the television terminal needs to be switched to a second channel, the television terminal establishes a second playing module corresponding to a second tuner;
in an optional implementation manner, the second playing module includes the following partial or all sub-modules:
a second Player submodule, a second Video submodule, a second Speak submodule and a second Earp submodule.
As shown in fig. 8, the second tuner 40 is connected to each of the sub-modules of the second playing module 41 and the second recording module 42.
Since the television terminal can only play the program information of one channel at the same time, that is, only one playing module is needed, an optional implementation manner is as follows: after the television terminal determines that the television terminal needs to be switched to the second channel according to the received switching instruction, the television terminal stops playing the program information of the first channel through the first playing module corresponding to the first tuner before the second playing module corresponding to the second tuner is created, and releases the first playing module corresponding to the first tuner.
It should be noted that, after determining to switch to the second channel, the television terminal only releases the first playing module corresponding to the first tuner, and does not release the first recording module corresponding to the first tuner, so that after the television terminal switches to the second channel, the television terminal still records the program information of the first channel through the first recording module, and the television terminal may further continue to record the program information of the second channel through the second recording module corresponding to the second tuner, thereby ensuring that the program information of the first channel and the program information of the second channel can be completely recorded all the time before and after switching to the channel.
The above description of the channel switching method is described by taking an example that a television terminal includes two tuners, and when the television terminal includes three or more tuners, the channel switching method provided by the embodiment of the present invention can still be adopted, wherein the second tuner is any one of the three or more tuners except the first tuner; the detailed description of the specific method for switching channels when the television terminal includes at least three tuners is omitted.
Based on the same inventive concept, the embodiment of the present invention further provides a television terminal, and as the principle of solving the problem of the television terminal is similar to the method for playing the channel in the embodiment of the present invention, the implementation of the television terminal may refer to the implementation of the method, and repeated details are not repeated.
As shown in fig. 9, a television terminal according to a first embodiment of the present invention includes at least one processing unit 900 and at least one storage unit 901;
wherein the storage unit 901 stores program code which, when executed by the processing unit 900, causes the processing unit 900 to perform the following:
the method comprises the steps that a frequency point of a first channel is locked through a first tuner, program information of the first channel is played through a first playing module corresponding to the first tuner, and the program information of the first channel is recorded through a first recording module corresponding to the first tuner;
determining that the second channel needs to be switched to according to the received switching instruction; the frequency point corresponding to the second channel is different from the frequency point corresponding to the first channel;
and creating a second playing module corresponding to a second tuner, and playing the program information of the second channel through the second playing module corresponding to the second tuner.
Optionally, the processing unit 900 is further configured to:
after the fact that switching to a second channel is needed is determined according to the received switching instruction, before a second playing module corresponding to a second tuner is created, the program information of the first channel is stopped being played through a first playing module corresponding to the first tuner, and the first playing module corresponding to the first tuner is released.
Optionally, the processing unit 900 is further configured to:
and recording the program information of the second channel through a second recording module corresponding to the second tuner before determining that the second channel needs to be switched to according to the received switching instruction.
Optionally, the first playing module includes the following partial or all sub-modules:
the device comprises a first Player submodule, a first Video submodule, a first Speak submodule and a first Erphone submodule;
the second playing module comprises the following partial or all sub-modules:
a second Player submodule, a second Video submodule, a second Speak submodule and a second Earp submodule.
Optionally, the first recording module includes a first HDR submodule and/or a first Demux submodule;
the second recording module includes a second HDR sub-module and/or a second Demux sub-module.
As shown in fig. 10, a channel switching apparatus according to an embodiment of the present invention includes:
the processing module 1001 is configured to lock a frequency point of a first channel through a first tuner, play program information of the first channel through a first playing module corresponding to the first tuner, and record the program information of the first channel through a first recording module corresponding to the first tuner;
a determining module 1002, configured to determine that a second channel needs to be switched to according to a received switching instruction; the frequency point corresponding to the second channel is different from the frequency point corresponding to the first channel;
the playing module 1003 is configured to create a second playing module corresponding to the second tuner, and play the program information of the second channel through the second playing module corresponding to the second tuner.
Optionally, after the determining module 1002 determines that it is necessary to switch to the second channel according to the received switching instruction, the playing module 1003 is further configured to:
and before a second playing module corresponding to a second tuner is created, stopping playing the program information of the first channel through a first playing module corresponding to the first tuner, and releasing the first playing module corresponding to the first tuner.
Optionally, before the determining module 1002 determines that it is necessary to switch to the second channel according to the received switching instruction, the processing module 1001 is further configured to:
and recording the program information of the second channel through a second recording module corresponding to the second tuner.
Optionally, the first playing module includes the following partial or all sub-modules:
the device comprises a first Player submodule, a first Video submodule, a first Speak submodule and a first Erphone submodule;
the second playing module comprises the following partial or all sub-modules:
a second Player submodule, a second Video submodule, a second Speak submodule and a second Earp submodule.
Optionally, the first recording module includes a first HDR submodule and/or a first Demux submodule;
the second recording module includes a second HDR sub-module and/or a second Demux sub-module.
An embodiment of the present invention further provides a computer-readable medium, on which a computer program is stored, where the computer program is executed by a processor to implement the steps of any one of the methods described above.
The present application is described above with reference to block diagrams and/or flowchart illustrations of methods, apparatus (systems) and/or computer program products according to embodiments of the application. It will be understood that one block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, and/or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer and/or other programmable data processing apparatus, create means for implementing the functions/acts specified in the block diagrams and/or flowchart block or blocks.
Accordingly, the subject application may also be embodied in hardware and/or in software (including firmware, resident software, micro-code, etc.). Furthermore, the present application may take the form of a computer program product on a computer-usable or computer-readable storage medium having computer-usable or computer-readable program code embodied in the medium for use by or in connection with an instruction execution system. In the context of this application, a computer-usable or computer-readable medium may be any medium that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. A channel switching method applied to a television terminal including at least two tuners, the method comprising:
the television terminal locks a frequency point of a first channel through a first tuner, plays program information of the first channel through a first playing module corresponding to the first tuner, and records the program information of the first channel through a first recording module corresponding to the first tuner;
the television terminal locks a frequency point of a second channel through a second tuner, and records program information of the second channel through a second recording module corresponding to the second tuner;
the television terminal determines that a second channel needs to be switched to according to the received switching instruction; the frequency point corresponding to the second channel is different from the frequency point corresponding to the first channel;
the television terminal stops playing the program information of the first channel through the first playing module corresponding to the first tuner and releases the first playing module corresponding to the first tuner, and the television terminal still records the program information of the first channel through the first recording module;
and the television terminal establishes a second playing module corresponding to a second tuner, and plays the program information of the second channel through the second playing module corresponding to the second tuner.
2. The method of claim 1, wherein the first playing module comprises the following partial or all sub-modules:
the device comprises a first Player submodule, a first Video submodule, a first Speak submodule and a first Erphone submodule;
the second playing module comprises the following partial or all sub-modules:
a second Player submodule, a second Video submodule, a second Speak submodule and a second Earp submodule.
3. The method of claim 1, wherein the first recording module comprises a first HDR sub-module and/or a first Demux sub-module;
the second recording module includes a second HDR sub-module and/or a second Demux sub-module.
4. A television terminal comprising at least two tuners, at least one processing unit and at least one memory unit;
wherein the storage unit stores program code that, when executed by the processing unit, causes the processing unit to perform the following:
the method comprises the steps that a frequency point of a first channel is locked through a first tuner, program information of the first channel is played through a first playing module corresponding to the first tuner, and the program information of the first channel is recorded through a first recording module corresponding to the first tuner;
locking a frequency point of a second channel through a second tuner, and recording program information of the second channel through a second recording module corresponding to the second tuner;
determining that the second channel needs to be switched to according to the received switching instruction; the frequency point corresponding to the second channel is different from the frequency point corresponding to the first channel;
stopping playing the program information of the first channel through a first playing module corresponding to the first tuner, releasing the first playing module corresponding to the first tuner, and still recording the program information of the first channel through a first recording module by the television terminal;
and creating a second playing module corresponding to a second tuner, and playing the program information of the second channel through the second playing module corresponding to the second tuner.
5. The television terminal of claim 4, wherein the first playing module comprises some or all of the following sub-modules:
the device comprises a first Player submodule, a first Video submodule, a first Speak submodule and a first Erphone submodule;
the second playing module comprises the following partial or all sub-modules:
a second Player submodule, a second Video submodule, a second Speak submodule and a second Earp submodule.
6. The television terminal of claim 4, wherein the first recording module comprises a first HDR sub-module and/or a first Demux sub-module;
the second recording module includes a second HDR sub-module and/or a second Demux sub-module.
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| WO2022121434A1 (en) | 2020-12-07 | 2022-06-16 | 海信视像科技股份有限公司 | Display device, video recording method, and recorded file display method |
| CN112601118B (en) * | 2020-12-07 | 2022-03-15 | 青岛海信传媒网络技术有限公司 | Display device and video recording method |
| CN114025223B (en) * | 2021-11-15 | 2023-10-13 | 海信电子科技（深圳）有限公司 | Channel switching method under video recording state and display equipment |
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