CN112866792A - Method for reserving and burning multi-channel programs in EPG (electronic program guide) and set top box - Google Patents
Method for reserving and burning multi-channel programs in EPG (electronic program guide) and set top box Download PDFInfo
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- CN112866792A CN112866792A CN201911175011.2A CN201911175011A CN112866792A CN 112866792 A CN112866792 A CN 112866792A CN 201911175011 A CN201911175011 A CN 201911175011A CN 112866792 A CN112866792 A CN 112866792A
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- recording
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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 MPEG packets from an IP network
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
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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
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
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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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47214—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for content reservation or setting reminders; for requesting event notification, e.g. of sport results or stock market
Abstract
The invention provides a method for reserving and burning multi-channel programs in an EPG, which comprises the following steps: program reservation, storing the event information of each reserved program in a database, and starting to execute the burning step when the reservation time is up; and (3) program recording, binding an output port of the tuning demodulation module of each program with a recording channel corresponding to the demultiplexing module, and storing the recorded video in a TS format into a storage medium through the recording channel corresponding to the demultiplexing module. The invention also provides a set-top box using the method, which comprises a plurality of tuning demodulation modules, a demultiplexing module, a memory module, a storage medium and a set-top box body. The invention can reserve and burn the programs of multiple channels across the frequency points, and overcomes the defects that only a single tuning demodulation module is adopted in the existing set top box, the programs of the single channel can be reserved and burned in the EPG, the programs of the programs across the frequency points can not be reserved and burned simultaneously, and the programs of other frequency points can only be switched to the programs of the corresponding frequency points to be burned.
Description
Technical Field
The invention belongs to the technical field of television set-top boxes, and particularly relates to a method for reserving and burning multiple channels of programs in an EPG (electronic program guide) and a set-top box.
Background
With the increasing popularization of digital televisions, the digital televisions bring more and more fun to daily leisure life, and the functions of the set top box are diversified day by day. For some favorite programs, people may not be able to watch the favorite programs on time, and it is important that the favorite programs can be reserved in a television program guide (EPG). But sometimes we're favorite programs may be played at the same time and we may not be able to watch several programs at the same time. Most set top boxes in the current market are designed for recording reserved single-channel programs in an EPG (electronic program guide), namely, the reserved recording of programs at a frequency point. The scheme can only support the recording of the programs at the same frequency point at the same time, and can only play the programs at the same frequency point at the same time. The existing reserved recording technology in the set top box EPG has obvious defects. Due to the limitation of the hardware of the set-top box: in the EPG, only one program can be reserved and recorded, the recording of programs at cross frequency points cannot be reserved simultaneously, and programs at other frequency points can only be switched to programs at corresponding frequency points and then recorded. And if the programs at a certain frequency point are recorded, the programs at other frequency points can not be played if the playing interface is switched to. This is a limitation of one-way recording, and if the Timeshift function is not turned on, the user cannot replay the program while playing the program. Secondly, the user is accustomed to, and the user has a plurality of favorite programs, probably these favorite programs are a plurality of frequency points, and broadcast at the same time point, so that the user watches a program, just can't see other programs again.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a method for reserving and recording multiple channels of programs in an EPG (electronic program guide) and a set top box, which can realize the reserving and recording of multiple channels of programs across frequency points.
In order to achieve the above object, the present invention first provides a method for recording multiple programs in an EPG in advance, which includes:
program reservation, storing the event information of each reserved program in a database, and starting to execute the burning step when the reservation time is up;
and (3) program recording, binding an output port of the tuning demodulation module of each program with a recording channel corresponding to the demultiplexing module, and storing the recorded video in a TS format into a storage medium through the recording channel corresponding to the demultiplexing module.
Further, in the step of program reservation, each program includes a plurality of events, and each event information includes a start time, an end time, a program duration, a program profile, and a program ID.
Further, in the program reservation step, it is continuously checked whether the starting time of the reserved event in the database is consistent with the current time, if so, the program information is read from the database, the program recording is started, otherwise, the check is continued.
Furthermore, in the program recording step, each channel of program corresponds to one frequency point, and each tuning demodulation module only tunes and demodulates signals of one frequency point.
And further, recording video playback is also included, the playing channel of the demultiplexing module is bound with the code stream of the recording video, and the video playing is carried out after demodulation and demultiplexing processing.
Further, the database and the program for executing program reservation and program recording are stored in the memory module of the set-top box.
The invention also provides a set-top box for executing the method for reserving and burning the multi-channel programs in the EPG, which comprises a plurality of tuning demodulation modules, a demultiplexing module, a memory module, a storage medium and a set-top box body; the tuning demodulation module is electrically connected with the demultiplexing module, the demultiplexing module is electrically connected with the storage medium, the memory module is loaded with a program reservation program, a recording program and a database, and the tuning demodulation module, the demultiplexing module, the memory module and the storage medium are all arranged in the set top box body.
Furthermore, the tuning demodulation module comprises a tuning module and a demodulation module, the tuning module tunes the downlink signal into an intermediate frequency signal and transmits the intermediate frequency signal to the demodulation module, and the demodulation module demodulates the intermediate frequency signal into TS data.
Furthermore, the demultiplexing module is provided with a playing channel and a plurality of recording channels, and when programs are recorded, the output port of each tuning demodulation module is respectively bound with one recording channel.
Furthermore, recording video in the storage medium and playing the video through the playing channel.
Compared with the prior art, the invention adopts a plurality of tuning demodulation modules, each tuning demodulation module is correspondingly matched with a channel of a demultiplexing module to process the program signal of one frequency point and store and playback the processed multi-channel programs of different frequency points, thereby realizing the reserved recording of the multi-channel programs across the frequency points in the EPG, and overcoming the defects that only a single tuning demodulation module is adopted in the existing set top box, only the single-channel program can be reserved and recorded in the EPG, the recording of the programs across the frequency points can not be reserved simultaneously, and the programs of other frequency points can only be switched to the programs corresponding to the frequency points for recording.
Drawings
Fig. 1 is a flow chart of a program reservation according to an embodiment of the present invention;
FIG. 2 is a flowchart of a program recording method according to an embodiment of the present invention;
fig. 3 is a connection relationship diagram of a second set-top box according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The first embodiment is as follows:
the embodiment of the invention provides a method for reserving and recording multiple channels of programs in an EPG (electronic program guide), which comprises the following steps:
program reservation, as shown in fig. 1, storing event information of a reserved program into a database, wherein even if a set-top box is restarted, reservation records are still stored, and a burning step is started after a reservation time is reached;
as shown in fig. 2, the tuning and demodulation modules of the first embodiment are preferably two, and can perform recording of two channels of programs, where a frequency point corresponding to the first channel of program is a, and the tuning and demodulation module is Tuner0，Tuner0Output port and recording channel Demux of demultiplexing module1Bound and then passed through Demux1Storing the recorded video in a storage medium in a TS format; the second channel of program has two possibilities, one is that the first channel of program belongs to the frequency point A, the second one belongs to the frequency point B, and no matter which one belongs to the frequency point A, the tuning demodulation module corresponding to the second channel of program is Tuner1，Tuner1Output port of and another recording channel Demux of demultiplexing module2Binding, and passing through recording channel Demux2And storing the recorded video in a storage medium in a TS format. The TS is an MPEG2 transport stream, which is a file format for DVDs.
After the event information of the reserved program is stored in the database, two tuning demodulation modules correspond to each channel of program, then the tuning demodulation modules are respectively bound with two recording channels of the demultiplexing module, and the demultiplexing module stores the recorded video in a storage medium in a TS format, so that the reserved recording of multiple channels of programs in the EPG is realized.
As shown in fig. 1, the set-top box continuously checks whether the start time of the reserved event in the database is consistent with the current time, and if so, reads the event information from the database, starts the program recording, otherwise, continuously checks. Each program includes a plurality of events, and each event information includes a start time, an end time, a program duration, a program profile, and a program ID. Therefore, the situation that other non-reserved programs are recorded in the original program time slot recorded in the database due to the adjustment of the EPG program list can be avoided.
The first embodiment further includes recording video playback, as shown in FIG. 2, and playing of the demultiplexing moduleThe discharge channel is Demux0And binding with the code stream of the recorded video, and playing the video after demodulation and demultiplexing processing of the demultiplexing module.
In this embodiment, the live program signal is processed by the tuning and demodulation module and demodulated into TS data, and then the TS data passes through the play channel Demux0And playing the video.
The database and the program for executing program reservation and program recording in the first embodiment are stored in the memory module of the set-top box.
Example two:
a second embodiment of the present invention provides a set-top box, as shown in fig. 3, including two tuning and demodulating modules 1, a demultiplexing module 2, a memory module (not shown), a storage medium 3, and a set-top box body 4; the tuning demodulation module 1 and the demultiplexing module 2 are electrically connected, the demultiplexing module 2 is electrically connected with the storage medium 3, the memory module is loaded with a program reservation program, a recording program and a database, and the tuning demodulation module 1, the demultiplexing module 2, the memory module and the storage medium 3 are all installed inside the set top box body 4.
By adopting the mechanism and utilizing the method for reserving and recording the multiple channels of programs in the EPG provided by the first embodiment, when a program reservation program is executed, event information of the reserved program is stored in a database, and then the program reservation is started; when a program recording program is executed, the tuning demodulation module 1 transmits the TS data to the demultiplexing module 2, the demultiplexing module 2 stores the recorded video in the storage medium 3, and then the recorded video is played back through the playing channel of the demultiplexing module 2.
In the second embodiment, the tuning demodulation module 1 includes a first tuning demodulation module Tuner0And a second harmonic demodulation module Tuner1The demultiplexing module 2 comprises a first recording channel Demux1A second recording channel Demux2And a play channel Demux0，Tuner0Output end first recording channel Demux1Binding, Tuner1Output port and second recording channel Demux2Binding, playing channel Demux0Bound with the code stream of the video recorded in the storage medium 3, and then demodulated and demultiplexed by the demultiplexing module 2And playing the video.
The tuning demodulation module 1 comprises a tuning module and a demodulation module, wherein the tuning module tunes the downlink signal into an intermediate frequency signal and transmits the intermediate frequency signal to the demodulation module, and the demodulation module demodulates the intermediate frequency signal into TS data.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A method for reserving and burning multiple channels of programs in an EPG (electronic program guide) is characterized by comprising the following steps:
program reservation, storing the event information of each reserved program in a database, and starting to execute the burning step when the reservation time is up;
and (3) program recording, binding an output port of the tuning demodulation module of each program with a recording channel corresponding to the demultiplexing module, and storing the recorded video in a TS format into a storage medium through the recording channel corresponding to the demultiplexing module.
2. The method of claim 1, wherein in the step of program reservation, each program includes a plurality of events, and each event information includes a start time, an end time, a program duration, a program profile, and a program ID.
3. The method of claim 2, wherein in the step of program reservation, the starting time of the reserved event in the database is continuously checked to see if it is consistent with the current time, if so, the program information is read from the database, and the program recording is started, otherwise, the program recording is continued.
4. The method for reserving recording of multiple channels of programs in an EPG according to claim 1, wherein in the step of recording programs, each channel of programs corresponds to a frequency point, and each tuning and demodulating module only tunes and demodulates signals of one frequency point.
5. The method for reserving recording of multiple channels of programs in an EPG according to claim 1, further comprising recording video playback, wherein the playing channel of the demultiplexing module is bound to the code stream of the recording video, and then the video playing is performed after demodulation and demultiplexing processing.
6. The method for reserving and burning multiple programs in an EPG according to any one of claims 1-5, wherein the database and the programs for reserving and burning programs are stored in a memory module of the set-top box.
7. A set-top box for executing the method for reservation burning of multiple programs in EPG as claimed in any of claims 1 to 6, comprising a plurality of tuning demodulation modules, demultiplexing modules, memory modules, storage media and a set-top box body; the tuning demodulation module is electrically connected with the demultiplexing module, the demultiplexing module is electrically connected with the storage medium, the memory module is loaded with a program reservation program, a recording program and a database, and the tuning demodulation module, the demultiplexing module, the memory module and the storage medium are all installed inside the set top box body.
8. The set-top box of claim 7, wherein the tuning and demodulation module comprises a tuning module and a demodulation module, the tuning module tunes the downlink signal into an intermediate frequency signal and transmits the intermediate frequency signal to the demodulation module, and the demodulation module demodulates the intermediate frequency signal into TS data.
9. The set-top box of claim 7, wherein the demultiplexing module has a playback channel and a plurality of recording channels, and when a program is recorded, the output port of each of the tuning demodulation modules is respectively bound to one of the recording channels.
10. The set top box of claim 9, wherein recording video in the storage medium is performed by the playback channel for video playback.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911175011.2A CN112866792A (en) | 2019-11-26 | 2019-11-26 | Method for reserving and burning multi-channel programs in EPG (electronic program guide) and set top box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911175011.2A CN112866792A (en) | 2019-11-26 | 2019-11-26 | Method for reserving and burning multi-channel programs in EPG (electronic program guide) and set top box |
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| CN112866792A true CN112866792A (en) | 2021-05-28 |
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| CN201911175011.2A Pending CN112866792A (en) | 2019-11-26 | 2019-11-26 | Method for reserving and burning multi-channel programs in EPG (electronic program guide) and set top box |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113329249A (en) * | 2021-07-14 | 2021-08-31 | 深圳佳力拓科技有限公司 | Set top box method and system supporting two-way recording |
| CN114025223A (en) * | 2021-11-15 | 2022-02-08 | 海信电子科技（深圳）有限公司 | Channel switching method in video recording state and display equipment |
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Cited By (3)
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| CN113329249A (en) * | 2021-07-14 | 2021-08-31 | 深圳佳力拓科技有限公司 | Set top box method and system supporting two-way recording |
| CN114025223A (en) * | 2021-11-15 | 2022-02-08 | 海信电子科技（深圳）有限公司 | Channel switching method in video recording state and display equipment |
| 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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