WO2020133978A1 - 电子节目指南的生成方法、装置及计算机可读存储介质 - Google Patents

电子节目指南的生成方法、装置及计算机可读存储介质 Download PDF

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Publication number
WO2020133978A1
WO2020133978A1 PCT/CN2019/093061 CN2019093061W WO2020133978A1 WO 2020133978 A1 WO2020133978 A1 WO 2020133978A1 CN 2019093061 W CN2019093061 W CN 2019093061W WO 2020133978 A1 WO2020133978 A1 WO 2020133978A1
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WIPO (PCT)
Prior art keywords
frequency
program guide
electronic program
frequency point
signal
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PCT/CN2019/093061
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English (en)
French (fr)
Inventor
潘伟雄
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Shenzhen Skyworth RGB Electronics Co Ltd
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Shenzhen Skyworth RGB Electronics Co Ltd
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Publication of WO2020133978A1 publication Critical patent/WO2020133978A1/zh
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Classifications

    • 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
    • H04N21/4332—Content storage operation, e.g. storage operation in response to a pause request, caching operations by placing content in organized collections, e.g. local EPG data repository
    • 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
    • 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
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H04N21/4432—Powering on the client, e.g. bootstrap loading using setup parameters being stored locally or received from the server
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/47—End-user applications
    • H04N21/482—End-user interface for programme selection
    • H04N21/4825—End-user interface for programme selection using a list of items to be played back in a given order, e.g. playlists

Definitions

  • This application relates to the technical field of digital television, and in particular, to a method, device, and computer-readable storage medium for generating an electronic program guide.
  • the traditional electronic program guide can only display the program guide information on the same frequency as the current channel on the interface. For example, watching a central station can only view the program guide information of multiple central stations, but cannot view the program guide information of the satellite TV station. . If the user wants to view the program guide information of the TV station, the user needs to switch the channel to a certain TV station first, and wait for the image and sound of the TV station to decode normally before viewing the program guide information of the same frequency point of the TV station. Therefore, the problem that the electronic program guide interface cannot view channel program information of other frequency points still needs to be improved.
  • the main purpose of this application is to provide a method, device and computer-readable storage medium for generating an electronic program guide, aiming to solve the problem that the electronic program guide interface can only view channel program information at the same frequency point as the current channel, and cannot view other frequency points The problem of channel program information.
  • the present application provides a method for generating an electronic program guide.
  • the method includes the following steps:
  • the EPG data is saved to a preset storage module to form an EPG data table, so that after receiving a user's instruction to view an electronic program guide, a corresponding electronic program guide is generated according to the EPG data table.
  • the step of acquiring the frequency point mapping table it includes:
  • the method may further include:
  • the frequency point mapping table includes a channel number, a channel name and frequency point parameters.
  • the frequency parameter is sent to a high-frequency head, and the high-frequency signal in the television signal consistent with the frequency point parameter is received through the high-frequency head, and the high-frequency signal is converted into a transmission stream
  • the steps include:
  • the frequency parameter is sent to a high-frequency head, and the high-frequency signal in the television signal consistent with the frequency point parameter is received through the high-frequency head, and the high-frequency signal is converted into a transmission stream
  • the steps also include:
  • the step of obtaining corresponding EPG data according to the program mapping table and the event information table in the transport stream includes:
  • the EPG data includes a channel number, a channel name, and a program name corresponding to each channel.
  • the present application also provides an electronic program guide generation device, which includes: a memory, a processor, and an electronic program guide generation stored on the memory and operable on the processor A program, when the electronic program guide generation program is executed by the processor, any step of the foregoing electronic program guide generation method is implemented.
  • the present application also provides a computer-readable storage medium on which a computer program is stored, and when the program is executed by the processor, any step of the foregoing electronic program guide generation method is realized.
  • An electronic program guide generation method, device, and computer-readable storage medium proposed by embodiments of the present application, by acquiring a frequency point mapping table and a plurality of frequency point parameters in the frequency point mapping table, and transmitting the frequency point parameters in sequence
  • the high-frequency head matches the high-frequency signal consistent with the frequency point parameter, and then converts the high-frequency signal into a transmission stream, according to the program mapping in the transmission stream Table and event information table, obtain multiple EPG data corresponding to multiple frequency point parameters in the frequency point mapping table, and finally save the EPG data to a preset storage module to form an EPG data table for receiving users
  • a corresponding electronic program guide is generated according to the EPG data table.
  • the generated electronic program guide can not only view channel program information of the frequency point, but also view channel program information of other frequency points, enriching the content of the program guide and increasing the user's selection range.
  • FIG. 1 is a schematic structural diagram of a device for a hardware operating environment involved in an embodiment of the present application
  • FIG. 2 is a schematic flowchart of an embodiment of a method for generating an electronic program guide of the application
  • FIG. 3 is a schematic flowchart of a second embodiment of a method for generating an electronic program guide of the application
  • FIG. 4 is a schematic flowchart of three embodiments of a method for generating an electronic program guide of the application
  • FIG. 5 is a schematic flowchart of a fourth embodiment of a method for generating an electronic program guide of this application.
  • FIG. 6 is a schematic flowchart of a fifth embodiment of a method for generating an electronic program guide of this application.
  • the main solution of the embodiments of the present application is to obtain a frequency point mapping table and obtain multiple frequency point parameters in the frequency point mapping table; send the frequency point parameters to a high frequency head and receive the television signal through the high frequency head A high-frequency signal consistent with the frequency parameter and converting the high-frequency signal into a transport stream; obtaining corresponding EPG data according to the program mapping table and event information table in the transport stream; converting the EPG data Saved to a preset storage module to form an EPG data table, for generating a corresponding electronic program guide according to the EPG data table after receiving a user's instruction to view the electronic program guide.
  • the prior art electronic program guide can only display program guide information on the same frequency as the current channel on the interface, for example, watching a certain central station can only view the program guide information of multiple central stations, and cannot view the satellite TV’s Program guide information. If the user wants to view the program guide information of the TV station, the user needs to switch the channel to a certain TV station first, and wait for the image and sound of the TV station to decode normally before viewing the program guide information of the same frequency point of the TV station. Therefore, the problem that the electronic program guide interface cannot view channel program information of other frequency points still needs to be improved.
  • This application provides a solution to enable the electronic program guide to view channel program information of other frequency points in addition to the channel program information of that frequency point, enriching the content of the program guide and increasing the user's selection range.
  • FIG. 1 is a schematic structural diagram of a device in a hardware operating environment according to an embodiment of the present application.
  • the device in the embodiment of the present application may be a digital TV, or may be a smart phone, a tablet computer, a wearable device, a set-top box, or the like.
  • the apparatus may include: a processor 1001, a communication bus 1002, an input interface 1003, a network interface 1004, a memory 1005, and an output interface 1006.
  • the processor 1001 is a very large-scale integrated circuit, which is the computing core and control core of a computer. Its function is mainly to interpret computer instructions and process data in computer software.
  • the communication bus 1002 is used to realize the communication connection between various components. Various control information and feedback information in the controlled circuit are transmitted in this bus, such as I2C bus, RS485 bus, and so on.
  • the input interface 1003 may include a high-frequency signal interface, an HDMI interface, an AV interface, an optical fiber interface, etc., and may also include an interface such as a USB interface for inputting user instructions.
  • the network interface 1004 may optionally include a standard wired interface and a wireless interface (such as a WI-FI interface).
  • the memory 1005 may be a high-speed RAM memory or a stable memory (non-volatile memory), such as disk storage.
  • the memory 1005 may optionally be a storage device independent of the foregoing processor 1001.
  • the output interface 1006 includes a display, a speaker, etc. to output video and audio information, respectively.
  • the device may further include a backlight component, a logic component, a high-frequency harmonizer, an infrared receiving device of a WiFi module, etc., which will not be repeated here.
  • FIG. 1 does not constitute a limitation on the device, and may include more or less components than those illustrated, or combine certain components, or have different component arrangements.
  • the memory 1005 as a computer storage medium may include an operating system, a network communication module, an input/output module, and an electronic program guide generation program.
  • the network interface 1004 is mainly used to connect to a background server and perform data communication with the background server;
  • the input interface 1003 is mainly used to connect to receive external signal sources and user instructions; and
  • the processor 1001 can be used to call a memory
  • the EPG data is saved to a preset storage module to form an EPG data table, so that after receiving a user's instruction to view an electronic program guide, a corresponding electronic program guide is generated according to the EPG data table.
  • processor 1001 may be used to call an electronic program guide generation program stored in the memory 1005, and also perform the following operations:
  • processor 1001 may be used to call an electronic program guide generation program stored in the memory 1005, and also perform the following operations:
  • processor 1001 may be used to call an electronic program guide generation program stored in the memory 1005, and also perform the following operations:
  • the frequency point mapping table includes channel numbers, channel names, and frequency point parameters.
  • processor 1001 may be used to call an electronic program guide generation program stored in the memory 1005, and also perform the following operations:
  • the tuner locks the received frequency parameters.
  • processor 1001 may be used to call an electronic program guide generation program stored in the memory 1005, and also perform the following operations:
  • processor 1001 may be used to call an electronic program guide generation program stored in the memory 1005, and also perform the following operations:
  • processor 1001 may be used to call an electronic program guide generation program stored in the memory 1005, and also perform the following operations:
  • the EPG data includes a channel number, a channel name, and a program name corresponding to each channel.
  • the first embodiment of the present application provides a method for generating an electronic program guide.
  • the method for generating an electronic program guide includes:
  • Step S10 Obtain a frequency point mapping table, and obtain multiple frequency point parameters in the frequency point mapping table.
  • the device in the embodiment of the present application may be a digital TV, or may be a smart phone, a tablet computer, a wearable device, a set-top box, or the like.
  • This embodiment uses digital TV as an example for description.
  • a frequency point mapping table is stored in the memory of the digital TV, and the TV can search for frequency point information from the TV signal in the power-on state, and update the frequency point information in the frequency point mapping table in real time.
  • the frequency point mapping table contains the channel number, channel name and frequency point parameters in the received TV signal. After confirming that the electronic program guide is to be updated, the TV will call the frequency point mapping table and the frequency point parameters in the frequency point mapping table.
  • Step S20 Send the frequency point parameter to a high-frequency head, and receive a high-frequency signal in the television signal that is consistent with the frequency point parameter through the high-frequency head, and convert the high-frequency signal into a transmission stream.
  • the TV After obtaining the frequency parameter in the frequency point mapping table, the TV sends the frequency parameter to the high-frequency head, and the frequency parameter is locked by the high-frequency head, so that the TV can only receive the corresponding frequency parameter Channel program information.
  • the high-frequency head is a device used by televisions to receive high-frequency signals and demodulate video information. It is also the first part of the common channel.
  • the high-frequency head After receiving the external TV signal, the high-frequency head selects the external TV signal according to the locked frequency point parameter, selects the high-frequency signal consistent with the frequency point parameter, and amplifies and converts the high-frequency signal , Converted to a fixed intermediate frequency signal, and analog-to-digital conversion of the intermediate frequency signal to obtain a digital signal, after inverse modulation, the digital signal is converted into a transmission stream, also known as TS (Transport Stream) code stream.
  • TS Transport Stream
  • Step S30 Acquire corresponding EPG data according to the program mapping table and the event information table in the transport stream.
  • the transmission stream is mainly aimed at the transmission of data on unreliable channels, such as satellite channels, microwave channels or CATV channels.
  • the transport stream can be a stream multiplexed by multiple programs, and the same program can also contain multiple video and audio streams.
  • the transport stream is packaged according to the MPEG-2 standard to form a fixed-length TS packet with a packet length of 188 bytes or 204 bytes.
  • program-specific information PSI, Program Specification Information
  • business information table SI, Service Information
  • the function of program-specific information is to enable the TV to correctly find a specific program from a transport stream carrying multiple programs
  • the role of the service information table is to enable the integrated receiver decoder to extract the program provider from the transport stream
  • the list of broadcast programs and broadcast parameters are displayed to TV users in an intuitive form.
  • the PSI/SI information includes a program mapping table and an event information table, and is stored in the transport stream. By demultiplexing the transport stream, the program mapping table and event information table in the transport stream are parsed, and the EPG data desired by the user is obtained by filtering the information of the program mapping table and event information table.
  • Step S40 Save the EPG data to a preset storage module to form an EPG data table for generating a corresponding electronic program guide according to the EPG data table after receiving a user's instruction to view the electronic program guide.
  • a storage space is preset in the memory of the TV to exclusively store EPG data, and these EGP data are saved one by one in a fixed format to form an EPG data table.
  • the electronic program guide is formed by calling the data in the EPG data table and displayed on the display screen for the user to view and select.
  • the frequency point mapping table is obtained, and a plurality of frequency point parameters in the frequency point mapping table are obtained; the frequency point parameters are sent to a high-frequency head, and the television signal and the frequency point are received through the high-frequency head High frequency signals with consistent parameters, and convert the high frequency signals into a transport stream; obtain corresponding EPG data according to the program mapping table and event information table in the transport stream; save the EPG data to preset storage
  • the module forms an EPG data table for generating a corresponding electronic program guide according to the EPG data table after receiving a user's instruction to view the electronic program guide. Therefore, the generated electronic program guide can not only view channel program information of the frequency point, but also view channel program information of other frequency points, which enriches the content of the program guide and increases the user's selection range.
  • a second embodiment of the present application provides an electronic program guide generation method. Based on the embodiment shown in FIG. 2, before the step of obtaining a frequency point mapping table, the method includes:
  • Step S101 In a standby state, obtain a standby time, and determine whether the standby time reaches the first preset time for the first time that day.
  • the electronic program guide update can be performed when the TV is in the standby state.
  • the TV standby time is the first preset time for the first time on the day
  • the TV will perform the electronic program guide update operation, where the first preset
  • the time can be any time such as 10 minutes, 20 minutes, 30 minutes, 1 hour, etc.
  • the first preset time can be freely set by the developer or the user according to specific actual conditions.
  • the TV can determine the current standby duration according to its own system time and start standby time, and can determine the standby duration. If the standby duration meets the preset condition, step S102 is performed; if the standby duration does not satisfy the preset condition, step S103 is performed.
  • Step S102 switching the signal source to the TV source, and turning off the sound and the backlight of the display screen.
  • the signal source switching module is woken up to switch the current source to the TV source, and the other modules are still consistent with the standby, such as the sound and the backlight of the display are still off. Switch the TV source to TV source so that the TV can receive external TV signals.
  • Step S103 continue to stand by.
  • the TV When the standby time of the TV does not meet the preset condition, the TV continues to stand by until the preset condition is reached. Specifically, if the standby time does not reach the preset condition when the TV is on standby for the first time that day, and the second standby time reaches the preset condition, the TV may perform step S102 when it is in the second standby, and so on, regardless of The TV is on standby several times during the day, and the electronic program guide is updated only when the standby time reaches the preset first time. After completing the update of the electronic program guide once that day, when the TV enters the standby state, there is no need to update the electronic program guide.
  • the update time of the electronic program guide is in the TV standby state, which does not affect the normal viewing of the TV by the user, and also keeps the electronic program guide keeping the latest program information every day.
  • a third embodiment of the present application provides an electronic program guide generation method.
  • This embodiment is another embodiment of the electronic program guide update conditions. Based on the embodiment shown in FIG. Before describing the step of obtaining the frequency point mapping table, it may further include:
  • Step 104 Receive a power-on command triggered by the user, and start up according to the power-on command.
  • Step 105 Determine according to the update date of the EPG data table and the current system time. If the update date of the EPG data table exceeds the second preset time, prompt whether to update the information of the electronic program guide.
  • This embodiment provides the update of the TV according to the EPG data table after the TV is turned on Judging the date and the current system time, if the update date of the EPG data table exceeds the second preset time, the prompt message of whether to update the electronic program guide will be displayed on the TV display, and the user can decide whether to update the electronic according to his own needs Program guide.
  • the user can control the controls on the display screen through the remote control and choose whether to update the electronic program guide. If the display screen supports touch control, it can also be selected through touch control.
  • step S105 If an instruction triggered by the user to update the electronic program guide is received, step S105 is executed, and if an instruction triggered by the user to not update the electronic program guide is received, step S106 is executed. If the update date of the EPG data table does not exceed the second preset time, the prompt information of whether to update the electronic program guide is not displayed on the display of the TV, and the user normally watches the program of the current channel.
  • the above second preset time may be 1 day, 2 days, or 3 days, etc.
  • the second preset time may be freely set by a developer or a user according to specific actual conditions.
  • Step S106 stop the currently playing video, and switch the signal source to the TV source.
  • the TV stops the currently playing video and switches the signal source to the TV source mode for receiving external TV signals.
  • Step S107 continue playing the current video.
  • the TV receives an instruction not to update the electronic program guide, then the TV continues to play the currently playing video.
  • the TV if the TV does not complete the electronic program update in the standby state, it can prompt the user whether the electronic program guide needs to be updated when the computer is turned on that day, and display the prompt information on the display screen. To choose whether to update. In this way, the user can know whether the electronic program of the day has been updated. If it has not been updated, the user can choose whether to update, thereby improving the user experience.
  • a fourth embodiment of the present application provides an electronic program guide generation method. Based on the embodiment shown in FIG. 2, the frequency point parameter is sent to a high-frequency head and received through the high-frequency head
  • the step of converting the high-frequency signal in the television signal to the frequency parameter and converting the high-frequency signal into a transmission stream includes:
  • Step S201 Send the frequency point parameters in the frequency point mapping table to the high-frequency head in sequence.
  • the frequency point mapping table contains multiple frequency point parameters, it is necessary to send a frequency point parameter in the frequency point mapping table to the high frequency head, so that the high frequency head can perform external TV signal according to the received frequency point parameter Choose Receive.
  • the tuner in order to ensure that the program information corresponding to all frequency point parameters in the frequency point mapping table can be received by the tuner, it is necessary to send each frequency point parameter in the frequency point mapping table to the tuner in sequence.
  • This embodiment does not limit the number of high-frequency heads, and may be one or more.
  • Step S202 Lock the received frequency point parameter through a high-frequency head.
  • the tuner When the tuner receives a frequency parameter, the frequency parameter needs to be locked, so that the external TV signal can be selectively received according to the received frequency parameter.
  • Step S203 Receive a high-frequency signal in the television signal that is consistent with the frequency point parameter through the high-frequency head.
  • the TV signals In order to be able to broadcast TV signals in the air, the TV signals must be modulated into high-frequency or radio-frequency (RF-Radio Frequency) signal, each signal occupies a channel, so that multiple channels of TV programs can be simultaneously broadcast in the air without causing confusion.
  • RF-Radio Frequency radio-frequency
  • Step S204 converting the high frequency signal into an intermediate frequency signal.
  • the high-frequency TV signals transmitted by each TV station are different frequencies, if these signals of different frequencies are directly sent to the amplifier circuit after the high-frequency head, it will inevitably appear that the amplifier has different amplification effects on the signals of different frequencies, so that the performance of the machine is not stable. Therefore, there is a frequency conversion circuit inside the high-frequency head, which converts high-frequency television signals of different frequencies into a fixed intermediate frequency signal.
  • step S205 the intermediate frequency signal is converted into a digital signal through a modem.
  • the intermediate frequency signal is an analog signal, which needs to be converted into a digital signal through a modem, which makes it easier for the TV to analyze and transmit the signal.
  • the intermediate frequency signal obtained in step S204 is sent to the modem, and then the modem converts the intermediate frequency signal into a corresponding digital signal, and then proceeds to step S206.
  • Step S206 inversely modulating the digital signal to generate a transport stream.
  • the transport stream must be packaged according to the MPEG-2 standard to form a fixed-length TS packet with a packet length of 188 bytes or 204 bytes.
  • the transport stream can contain multiple programs, and each program is composed of multiple basic code streams.
  • the basic code stream, PSI/SI information, and other control information are all grouped into fixed-length packets.
  • This embodiment receives the program information corresponding to each frequency point parameter in the frequency point mapping table in the external TV signal through the high frequency head, so that the electronic program guide not only has channel program information of a certain frequency point, but also other frequency points Channel program information.
  • a fifth embodiment of the present application provides an electronic program guide generation method. Based on the embodiment shown in FIG. 2 above, according to the program mapping table and event information table in the transport stream, the corresponding The steps of EPG data include:
  • Step S301 Demultiplex the transport stream to obtain a program mapping table and event information table in the transport stream.
  • the transport stream is composed of one or more programs. Each program is composed of one or more original streams and some other streams, including video streams, audio streams, program special information streams and other data packets.
  • the transport stream is decomposed by transmission. Use the device to output video stream, audio stream, data, PSI and SI.
  • the transport stream carries information related to the event information table and the program mapping table.
  • the event information table (EIT) provides information about the events contained in each service in chronological order.
  • the event here is equivalent to a program in the traditional sense, and the service refers to a certain TV station that provides the program source, such as the event "Newscast" of the service "CCTV-1".
  • the event information table contains two different types of tables, namely EIT present/following (referred to as EIT p/f) and EIT Schedule (EIT-S).
  • EIT p/f gives information about the current and the next event in the specified service, while EIT-S contains program preview information within a week or more. Any event information that constitutes EIT Sections are transmitted in TS packets with PID 0x0012.
  • the information provided by the event information table includes program number, start time, program length, playing status, whether to encrypt, detailed introduction of the program, time offset of two same programs, brief introduction of the program in multiple languages, and program-defined level.
  • the program map table contains the PID of all Video data contained in the current channel, the PID of all Audio data contained in the current channel and the PID of other data associated with the current channel (such as the PID used in digital broadcasting, data communication, etc.) , That is, there is all PID information in the channel in the program mapping table, such as how many Video, how many Audio and other data the current channel contains.
  • Step S302 Match the program name of the program mapping table with the program name in the event information table to obtain EPG data related to the program name.
  • the EPG data may include information such as channel number, channel name, frequency parameter, program name corresponding to each channel, subsequent program name, program type, audio and video data corresponding to the program, program start time and program duration, etc.
  • the channel number, the channel name, and the program name corresponding to each channel number are used as EPG data. Because EPG data is in a fixed format, and each frequency parameter corresponds to one piece of EPG data.
  • the high frequency head after receiving a plurality of frequency point parameters in the frequency point mapping table, obtains a plurality of EPG data corresponding to these frequency point parameters, and saves them to a preset storage space in the memory to form an EPG data table for After receiving the user's instruction to view the electronic program guide, a corresponding electronic program guide is generated according to the EPG data table and displayed on the television display screen for the user to view and select.
  • the embodiments of the present application also provide a computer-readable storage medium, on which a program for generating an electronic program guide is stored.
  • a program for generating an electronic program guide is stored on a computer-readable storage medium, on which a program for generating an electronic program guide is stored.
  • the EPG data is saved to a preset storage module to form an EPG data table, so that after receiving a user's instruction to view an electronic program guide, a corresponding electronic program guide is generated according to the EPG data table.
  • the frequency point mapping table includes channel numbers, channel names, and frequency point parameters.
  • the EPG data includes a channel number, a channel name, and a program name corresponding to each channel.
  • the methods in the above embodiments can be implemented by means of software plus a necessary general hardware platform, and of course, can also be implemented by hardware, but in many cases the former is better Implementation.
  • the technical solution of the present application can be embodied in the form of a software product in essence or part that contributes to the existing technology, and the computer software product is stored in a storage medium (such as ROM/RAM) as described above , Disk, CD), including several instructions to make a terminal device (which can be a mobile phone, computer, server, air conditioner, or network equipment, etc.) to perform the method described in each embodiment of the present application.

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  • Signal Processing (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
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  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
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Abstract

本申请公开了一种电子节目指南的生成方法，其方法包括：获取频点映射表，并获取频点映射表中多个频点参数；将所述频点参数发送至高频头，并通过高频头接收电视信号中与所述频点参数一致的高频信号，并将所述高频信号转化为传输流；根据所述传输流中的节目映射表和事件信息表，获取对应的EPG数据；将所述EPG数据保存到预设存储模块，形成EPG数据表，以供在接收到用户查看电子节目指南的指令后，根据所述EPG数据表生成对应的电子节目指南。本申请还公开了一种电子节目指南的生成装置和计算机可读存储介质。本申请使得生成的电子节目指南除了可以查看该频点的频道节目信息，还可以查看其它频点的频道节目信息，从而提高用户体验。

Description

电子节目指南的生成方法、装置及计算机可读存储介质
本申请要求于2018年12月27日提交中国专利局、申请号为201811617085.2、申请名称为“电子节目指南的生成方法、装置及计算机可读存储介质”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及数字电视技术领域，尤其涉及一种电子节目指南的生成方法、装置及计算机可读存储介质。
背景技术
目前数字电视已经进入快速发展阶段，与数字电视相关的业务也将大幅度增长。当节目运营商将大量的节目信息通过数字信号提供给用户，用户在欣赏高质量节目源的同时如何才能方便快捷地找到这些业务或信息就成了开发者们需要解决的一个关键问题。
传统的电子节目指南是在界面上只能显示与当前频道同一频点的节目指南信息，比如收看某一中央台，只能查看多个中央台的节目指南信息，无法查看卫视台的节目指南信息。如用户要查看卫视台的节目指南信息，则需要用户先切换频道至某一卫视台，等待该卫视台的图像和声音正常解码后，才可查看该卫视台同频点的节目指南信息。因而电子节目指南界面无法查看其他频点的频道节目信息的问题仍然需要改进。
发明内容
本申请的主要目的在于提供一种电子节目指南的生成方法、装置及计算机可读存储介质，旨在解决电子节目指南界面只能查看与当前频道同频点的频道节目信息，无法查看其他频点的频道节目信息的问题。
为实现上述目的，本申请提供一种电子节目指南的生成方法，该方法包括以下步骤：
获取频点映射表，并获取频点映射表中多个频点参数；
将所述频点参数发送至高频头，并通过高频头接收电视信号中与所述频点参数一致的高频信号，并将所述高频信号转化为传输流；
根据所述传输流中的节目映射表和事件信息表，获取对应的EPG数据；
将所述EPG数据保存到预设存储模块，形成EPG数据表，以供在接收到用户查看电子节目指南的指令后，根据所述EPG数据表生成对应的电子节目指南。
优选地，在所述获取频点映射表的步骤之前，包括：
在待机状态时，获取待机时间，并判断所述待机时间是否为当天第一次达到第一预设时间；
若是，则切换信号源至TV信源，并关闭声音和显示屏的背光；
若否，则继续待机。
优选地，在所述获取频点映射表的步骤之前，还可以包括：
接收用户触发的开机指令，根据所述开机指令开机；
根据EPG数据表的更新日期和当前系统时间进行判断，若EPG数据表的更新日期超过第二预设时间，则提示是否更新电子节目指南的信息；
若接收到用户触发的更新电子节目指南指令，则停止当前播放的视频，切换信号源至TV信源；
若接收到用户触发的不更新电子节目指南指令，则继续播放当前视频。
优选地，所述频点映射表包括频道号、频道名称和频点参数。
优选地，所述将所述频点参数发送至高频头，并通过高频头接收电视信号中与所述频点参数一致的高频信号，并将所述高频信号转化为传输流的步骤，包括：
将所述频点映射表中的频点参数依次发送至高频头；
通过高频头对接收到的所述频点参数进行锁定。
优选地，所述将所述频点参数发送至高频头，并通过高频头接收电视信号中与所述频点参数一致的高频信号，并将所述高频信号转化为传输流的步骤，还包括：
通过高频头接收电视信号中与所述频点参数一致的高频信号；
将所述高频信号转化为中频信号；
通过调制解调器将所述中频信号转化为数字信号；
对所述数字信号进行反调制，生成传输流。
优选地，所述根据所述传输流中的节目映射表和事件信息表，获取对应的EPG数据的步骤，包括：
对所述传输流进行解复用，获得传输流中的节目映射表和事件信息表；
将所述节目映射表的节目名称和所述事件信息表中节目名称进行匹配，获取与所述节目名称相关的EPG数据。
优选地，所述EPG数据包括频道序号、频道名称和每个频道对应的节目名称。
此外，为实现上述目的，本申请还提供一种电子节目指南的生成装置，该装置包括：存储器、处理器及存储在所述存储器上并可在所述处理器上运行的电子节目指南的生成程序，所述电子节目指南的生成程序被所述处理器执行时实现上述的电子节目指南的生成方法的任一步骤。
此外，为实现上述目的，本申请还提供一种计算机可读存储介质，其上存储有计算机程序，该程序被所述处理器执行时实现上述的电子节目指南的生成方法的任一步骤。
本申请实施例提出的一种电子节目指南的生成方法、装置及计算机可读存储介质，通过获取频点映射表和频点映射表中多个频点参数，并将所述频点参数依次发送给高频头，高频头在接收外界电视信号时，匹配出与所述频点参数一致的高频信号，再将所述高频信号转化为传输流，根据所述传输流中的节目映射表和事件信息表，获取到与频点映射表中多个频点参数对应的多个EPG数据，最后将所述EPG数据保存到预设存储模块，形成EPG数据表，以供在接收到用户查看电子节目指南的指令后，根据所述EPG数据表生成对应的电子节目指南。由此使得生成的电子节目指南除了可以查看该频点的频道节目信息，还可以查看其它频点的频道节目信息，丰富了节目指南内容，增大了用户选择范围。
附图说明
图1是本申请实施例方案涉及的硬件运行环境的装置结构示意图；
图2为本申请电子节目指南的生成方法一实施例的流程示意图；
图3为本申请电子节目指南的生成方法二实施例的流程示意图；
图4为本申请电子节目指南的生成方法三实施例的流程示意图；
图5为本申请电子节目指南的生成方法四实施例的流程示意图；
图6为本申请电子节目指南的生成方法五实施例的流程示意图。
本申请目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
应当理解，此处所描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
本申请实施例的主要解决方案是：获取频点映射表，并获取频点映射表中多个频点参数；将所述频点参数发送至高频头，并通过高频头接收电视信号中与所述频点参数一致的高频信号，并将所述高频信号转化为传输流；根据所述传输流中的节目映射表和事件信息表，获取对应的EPG数据；将所述EPG数据保存到预设存储模块，形成EPG数据表，以供在接收到用户查看电子节目指南的指令后，根据所述EPG数据表生成对应的电子节目指南。
由于现有技术的电子节目指南是在界面上只能显示与当前频道同一频点的节目指南信息，比如收看某一中央台，只能查看多个中央台的节目指南信息，无法查看卫视台的节目指南信息。如用户要查看卫视台的节目指南信息，则需要用户先切换频道至某一卫视台，等待该卫视台的图像和声音正常解码后，才可查看该卫视台同频点的节目指南信息。因而电子节目指南界面无法查看其他频点的频道节目信息的问题仍然需要改进。
本申请提供一种解决方案，使电子节目指南除了可以查看该频点的频道节目信息，还可以查看其它频点的频道节目信息，丰富了节目指南内容，增大了用户选择范围。
如图1所示，图1是本申请实施例方案涉及的硬件运行环境的装置结构示意图。
本申请实施例装置可以是数字电视机，也可以是智能电话、平板电脑、可穿戴设备、机顶盒等。
如图1所示，该装置可以包括：处理器1001、通信总线1002、输入接口1003、网络接口1004、存储器1005和输出接口1006。其中，处理器1001是一块超大规模的集成电路，是一台计算机的运算核心和控制核心，它的功能主要是解释计算机指令以及处理计算机软件中的数据。通信总线1002用于实现各个组件之间的通信连接，各种控制信息和受控电路中的反馈信息都在这条总线中传递，如I2C总线、RS485总线等。输入接口1003可以包括高频信号接口、HDMI接口、AV接口、光纤接口等，还可以包括如USB接口等用于输入用户指令的接口。网络接口1004可选的可以包括标准的有线接口、无线接口（如WI-FI接口）。存储器1005可以是高速RAM存储器，也可以是稳定的存储器（non-volatile memory），例如磁盘存储器。存储器1005可选的还可以是独立于前述处理器1001的存储装置。输出接口1006包括显示器和扬声器等，分别来输出视频和音频信息。
可选地，装置还可以包括背光组件、逻辑组件、高频谐调器、WiFi模块红外接收装置等，在此不再赘述。
本领域技术人员可以理解，图1中示出的装置结构并不构成对装置的限定，可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。
如图1所示，作为一种计算机存储介质的存储器1005中可以包括操作系统、网络通信模块、输入/输出模块以及电子节目指南的生成程序。
在图1所示的装置中，网络接口1004主要用于连接后台服务器，与后台服务器进行数据通信；输入接口1003主要用于连接接收外界信号源和用户指令；而处理器1001可以用于调用存储器1005中存储的电子节目指南的生成程序，并执行以下操作：
获取频点映射表，并获取频点映射表中多个频点参数；
将所述频点参数发送至高频头，并通过高频头接收电视信号中与所述频点参数一致的高频信号，并将所述高频信号转化为传输流；
根据所述传输流中的节目映射表和事件信息表，获取对应的EPG数据；
将所述EPG数据保存到预设存储模块，形成EPG数据表，以供在接收到用户查看电子节目指南的指令后，根据所述EPG数据表生成对应的电子节目指南。
进一步地，处理器1001可以用于调用存储器1005中存储的电子节目指南的生成程序，还执行以下操作：
在待机状态时，获取待机时间，并判断所述待机时间是否为当天第一次达到第一预设时间；
若是，则切换信号源至TV信源，并关闭声音和显示屏的背光；
若否，则继续待机。
进一步地，处理器1001可以用于调用存储器1005中存储的电子节目指南的生成程序，还执行以下操作：
接收用户触发的开机指令，根据所述开机指令开机；
根据EPG数据表的更新日期和当前系统时间进行判断，若EPG数据表的更新日期超过第二预设时间，则提示是否更新电子节目指南的信息；
若接收到用户触发的更新电子节目指南指令，则停止当前播放的视频，切换信号源至TV信源；
若接收到用户触发的不更新电子节目指南指令，则继续播放当前视频。
进一步地，处理器1001可以用于调用存储器1005中存储的电子节目指南的生成程序，还执行以下操作：
所述频点映射表包括频道号、频道名称和频点参数。
进一步地，处理器1001可以用于调用存储器1005中存储的电子节目指南的生成程序，还执行以下操作：
将所述频点映射表中的频点参数依次发送至高频头；
高频头对接收到的频点参数进行锁定。
进一步地，处理器1001可以用于调用存储器1005中存储的电子节目指南的生成程序，还执行以下操作：
通过高频头接收电视信号中与接收到的频点参数一致的高频信号；
将所述高频信号转化为中频信号；
通过调制解调器将所述中频信号转化为数字信号；
对所述数字信号进行反调制，生成传输流。
进一步地，处理器1001可以用于调用存储器1005中存储的电子节目指南的生成程序，还执行以下操作：
对所述传输流进行解复用，获得传输流中的节目映射表和事件信息表；
将所述节目映射表的节目名称和所述事件信息表中节目名称进行匹配，获取与所述节目名称相关的EPG数据。
进一步地，处理器1001可以用于调用存储器1005中存储的电子节目指南的生成程序，还执行以下操作：
所述EPG数据包括频道序号、频道名称和每个频道对应的节目名称。
本申请电子节目指南的生成装置的具体实施例与下述电子节目指南的生成方法各实施例基本相同，在此不作赘述。
参照图2，本申请第一实施例提供一种电子节目指南的生成方法，所述电子节目指南的生成方法包括：
步骤S10，获取频点映射表，并获取频点映射表中多个频点参数。
本申请实施例装置可以是数字电视，也可以是智能电话、平板电脑、可穿戴设备、机顶盒等。本实施例以数字电视为例进行说明。在数字电视的存储器中存储有频点映射表，在开机状态下电视能从电视信号中搜索频点信息，并将频点信息实时更新在该频点映射表中。该频点映射表包含接收到的电视信号中的频道序号、频道名称和频点参数。在确认要更新电子节目指南后，电视将调用该频点映射表和该频点映射表中的频点参数。
步骤S20，将所述频点参数发送至高频头，并通过高频头接收电视信号中与所述频点参数一致的高频信号，并将所述高频信号转化为传输流。
电视在获取到频点映射表中的频点参数后，将所述频点参数发送给高频头，通过高频头对该频点参数进行锁定，从而使电视只能接收该频点参数对应的频道节目信息。高频头是电视用来接收高频信号和解调出视频信息的一种装置，也是公共通道的第一部分。高频头在接收到外界的电视信号后，根据锁定的频点参数对外界的电视信号进行选择，选择出与该频点参数一致的高频信号，并对该高频信号进行放大及变频处理，转化为固定的中频信号，并对该中频信号进行模数转换，得到数字信号，进过反调制后，该数字信号转化为传输流，也叫TS(Transport Stream)码流。
步骤S30，根据所述传输流中的节目映射表和事件信息表，获取对应的EPG数据。
传输流主要针对数据在非可靠信道的传输，如卫星信道、微波信道或CATV信道。传输流可以是多路节目复用成的一个流，并且同一节目还可以包含多个视频和音频流。传输流都是按照MPEG-2标准打包，形成固定长度的TS包，包长为188字节或204字节。并且在MPEG-2标准中专门定义了节目专用信息（PSI，Program Specification Information）和业务信息表（SI，Service Information），节目专用信息的作用是让电视能从一个携带多个节目的某一个传输流中正确找到特定节目，业务信息表的作用是使综合接收解码器可以从传输流中提取出节目提供商播出节目的列表和播出参数，以直观的形式显示给电视用户。所述的PSI/SI信息中包含节目映射表和事件信息表，存在传输流中。通过对传输流解复用，解析出传输流中的节目映射表和事件信息表，通过对节目映射表和事件信息表的信息过滤，获取到用户想要的EPG数据。
步骤S40，将所述EPG数据保存到预设存储模块，形成EPG数据表，以供在接收到用户查看电子节目指南的指令后，根据所述EPG数据表生成对应的电子节目指南。
在电视的存储器中预设一个存储空间专门保存EPG数据，这些EGP数据以固定格式一一保存，形成一个EPG数据表。当电视获取到用户想要查看电子界面指南的指令时，通过调用EPG数据表中的数据形成电子节目指南，并显示在显示屏上，供用户查看选择。
在本实施例通过获取频点映射表，并获取频点映射表中多个频点参数；将所述频点参数发送至高频头，并通过高频头接收电视信号中与所述频点参数一致的高频信号，并将所述高频信号转化为传输流；根据所述传输流中的节目映射表和事件信息表，获取对应的EPG数据；将所述EPG数据保存到预设存储模块，形成EPG数据表，以供在接收到用户查看电子节目指南的指令后，根据所述EPG数据表生成对应的电子节目指南。从而使得生成的电子节目指南除了可以查看该频点的频道节目信息，还可以查看其它频点的频道节目信息，丰富了节目指南内容，增大了用户选择范围。
进一步的，参照图3，本申请第二实施例提供一种电子节目指南的生成方法，基于上述图2所示的实施例，在所述获取频点映射表的步骤之前，包括：
步骤S101，在待机状态时，获取待机时间，并判断所述待机时间是否为当天第一次达到第一预设时间。
电子节目指南更新可以在电视处于待机状态下进行，当电视达到预设条件，即电视待机时间为当天第一次达到第一预设时间，电视将执行电子节目指南更新操作，其中第一预设时间可以为10分钟、20分钟、30分钟、1小时等任一时间，该第一预设时间可根据具体实际情况由开发人员或用户自由设定。电视可以根据自身的系统时间和开始待机时间来判断当前待机时长，对待机时长进行判断。若待机时长满足预设条件，则执行步骤S102；若待机时长不满足预设条件，则执行步骤S103。
步骤S102，切换信号源至TV信源，并关闭声音和显示屏的背光。
当电视的待机时间满足预设条件时，便唤醒信号源切换模块，将当前信源切换至TV信源，其他模块仍然与待机时保持一致，如声音和显示屏的背光仍处于关闭状态。将电视的信源切换至TV信源，以便电视可以接收到外界电视信号。
步骤S103，继续待机。
当电视的待机时间还不满足预设条件时，则电视继续待机，直至达到预设条件。具体地，若电视当天第一次待机时，待机时间未达到预设条件，而第二次待机时间达到预设条件，则电视可在第二次待机时，执行步骤S102，以此类推，无论当天电视待机几次，只在待机时间达到预设第一时间的那次待机才去执行电子节目指南更新。当天完成一次电子节目指南更新后，电视再进入待机状态时，无需再对电子节目指南进行更新。
在本实施例中，电子节目指南的更新时间是在电视待机状态下，这样既不影响用户正常观看电视，也使得电子节目指南每日保持最新的节目信息。
进一步的，参照图4，本申请第三实施例提供一种电子节目指南的生成方法，本实施例为电子节目指南更新条件的又一实施例，基于上述图2所示的实施例，在所述获取频点映射表的步骤之前，还可以包括：
步骤104，接收用户触发的开机指令，根据所述开机指令开机。
步骤105，根据EPG数据表的更新日期和当前系统时间进行判断，若EPG数据表的更新日期超过第二预设时间，则提示是否更新电子节目指南的信息。
若用户没有待机习惯，每次都是直接开关电视电源，也就是说电视不能实现上述描述的在电视待机状态下更新电子节目指南，本实施例提供在电视开机后，电视根据EPG数据表的更新日期和当前系统时间进行判断，若EPG数据表的更新日期超过第二预设时间，则电视的显示屏上会显示是否更新电子节目指南的提示信息，用户可根据自身需求，决定是否要更新电子节目指南。用户可以通过遥控器控制显示屏上的控件，选择是否更新电子节目指南，如果显示屏支持触控，也可以通过触控方式选择。若接收到用户触发的更新电子节目指南指令，则执行步骤S105，若接收到用户触发的不更新电子节目指南指令，则执行步骤S106。若EPG数据表的更新日期未超过第二预设时间，则电视的显示屏上会不提示是否更新电子节目指南的提示信息，用户正常观看当前频道的节目。上述第二预设时间可以为1天、2天或3天等时间，该第二预设时间可根据具体实际情况由开发人员或用户自由设定。
步骤S106，停止当前播放的视频，切换信号源至TV信源。
若电视接收到的是更新电子节目指南的指令，那么电视停止当前正在播放的视频，并切换信号源至TV信源模式，用于接收外界电视信号。
步骤S107，继续播放当前视频。
若电视接收到的是不更新电子节目指南的指令，那么电视继续播放当前正在播放的视频。
在本实施例中，电视如果在待机状态下没有完成电子节目更新，则可在当天开机时，提示用户是否需要更新电子节目指南，并将该提示信息显示在显示屏上，用户可以根据自身需求来进行选择是否更新。这样可以让用户知道当天的电子节目是否已经更新，如果还没有更新，可以由用户选择是否更新，从而提高用户体验。
参照图5，本申请第四实施例提供一种电子节目指南的生成方法，基于上述图2所示的实施例，所述将所述频点参数发送至高频头，并通过高频头接收电视信号中与所述频点参数一致的高频信号，并将所述高频信号转化为传输流的步骤，包括：
步骤S201，将所述频点映射表中的频点参数依次发送至高频头。
由于频点映射表中包含多个频点参数，需要将频点映射表中的一个频点参数发送给高频头，这样高频头才可以根据接收到的这个频点参数对外界电视信号进行选择接收。同时为保证频点映射表中的所有频点参数对应的节目信息都能被高频头接收，故需要将频点映射表中的每个频点参数依次发送至高频头。本实施例对高频头个数不作限制，可以是一个，也可以是多个。
步骤S202，通过高频头对接收到的所述频点参数进行锁定。
当高频头接收到一个频点参数时，需要对这个频点参数进行锁定，这样可以根据接收到的这个频点参数对外界电视信号进行选择接收。
步骤S203，通过高频头接收电视信号中与所述频点参数一致的高频信号。
为了能够在空中传播电视信号，必须把电视信号调制成高频或射频(RF-Radio Frequency)信号，每个信号占用一个频道，这样才能在空中同时传播多路电视节目而不会导致混乱。高频头在接收空中电视信号时，根据自身锁定的频点参数，从众多高频信号中选择出与该频点参数一致的高频信号。
步骤S204，将所述高频信号转化为中频信号。
由于各电视台发射的高频电视信号是不同频率，若把这些不同频率的信号直接送到高频头以后的放大电路，必然会出现放大器对不同频率信号的放大作用不同，从而使机器的性能不稳定。因此高频头内部设有变频电路，即把不同频率的高频电视信号转换成一个固定的中频信号。
步骤S205，通过调制解调器将所述中频信号转化为数字信号。
中频信号为模拟信号，需要通过调制解调器将模拟信号转化为数字信号，这样更方便电视对信号进行解析和传输。将步骤S204获得到的中频信号，发送给调制解调器，然后调制解调器将中频信号转化为对应的数字信号，然后进入步骤S206。
步骤S206，对所述数字信号进行反调制，生成传输流。
将数字信息进行反调制，生成传输流。传输流必须按照MPEG-2标准打包，形成固定长度的TS包，包长为188字节或204字节。传输流可以包含多个节目，而每个节目又是由多个基本码流组成，基本码流、PSI/SI信息及其他控制信息都被打成固定长度的包分组。
本实施例通过高频头接收外界电视信号中与频点映射表中的每个频点参数对应的节目信息，从而使电子节目指南不仅有某个频点的频道节目信息，还有其他频点的频道节目信息。
参照图6，本申请第五实施例提供一种电子节目指南的生成方法，基于上述图2所示的实施例，所述根据所述传输流中的节目映射表和事件信息表，获取对应的EPG数据的步骤包括：
步骤S301，对所述传输流进行解复用，获得传输流中的节目映射表和事件信息表。
传输流由一道或多道节目组成，每道节目由一个或多个原始流和一些其他流复合在一起，包括视频流、音频流、节目特殊信息流和其他数据包，传输流通过传输解复用器，分别输出视频流、音频流、数据、PSI和SI。
传输流中携带有事件信息表和节目映射表相关信息，事件信息表（EIT）按时间顺序提供每个业务中包含的事件的信息。这里的事件相当于传统意义上的节目，而业务则指的是提供节目源的某个电视台，如业务“中央电视台-1”的事件“新闻联播”。事件信息表包含两种不同类型的表，分别为EIT present/following（简称EIT p/f）和EIT Schedule（EIT-S）。EIT p/f给出了指定业务中当前和后一个事件的信息，而EIT-S则包含一周内或更长时间的节目预告信息。任何构成EIT的event information section均在PID为0x0012的TS包中传输。事件信息表提供的信息包括节目号、起始时间、节目长度、播放状态、是否加密、节目的详细介绍、两段同样节目的时间偏移、节目多语种的简短介绍和节目限定的级别等。节目映射表（PMT）包含当前频道中包含的所有Video数据的PID、当前频道中包含的所有Audio数据的PID和当前频道关联在一起的其他数据的PID(如数字广播,数据通讯等使用的PID，即节目映射表中有频道中所有的PID信息，如当前频道包含多少个Video、共多少个Audio和其他数据。
步骤S302，将所述节目映射表的节目名称和所述事件信息表中节目名称进行匹配，获取与所述节目名称相关的EPG数据。
由于节目映射表和事件信息表都包含有节目名称相关信息，故根据所述节目名称将两个表中的数据进行整合，获取到相应的EPG数据。所述EPG数据可以包括频道号、频道名称、频点参数、每个频道对应的节目名称、后续节目名称、节目类型、节目对应的音视频数据、节目开始时间和节目持续时间等信息，本实施例以频道序号、频道名称和每个频道序号对应的节目名称为例作为EPG数据。由于EPG数据是固定格式，且每个频点参数对应一条EPG数据。
本实施例使当高频头接收到频点映射表中多个频点参数后，获得这些频点参数对应的多个EPG数据，并保存至存储器预设存储空间，形成EPG数据表，以供在接收到用户查看电子节目指南的指令后，根据所述EPG数据表生成对应的电子节目指南，显示在电视显示屏上，供用户查看选择。
此外，本申请实施例还提出一种计算机可读存储介质，所述计算机可读存储介质上存储有电子节目指南的生成程序，所述电子节目指南的生成程序被处理器执行时实现如下操作：
获取频点映射表，并获取频点映射表中多个频点参数；
将所述频点参数发送至高频头，并通过高频头接收广播信号中与所述频点参数一致的高频信号，并将所述高频信号转化为传输流；
根据所述传输流中的节目映射表和环境信息表，获取对应的EPG数据；
将所述EPG数据保存到预设存储模块，形成EPG数据表，以供在接收到用户查看电子节目指南的指令后，根据所述EPG数据表生成对应的电子节目指南。
进一步地，所述电子节目指南的生成程序被处理器执行时还实现如下操作：
在待机状态时，获取待机时间，并判断所述待机时间是否为当天第一次达到第一预设时间；
若是，则切换信号源至TV信源，并关闭声音和显示屏的背光；
若否，则继续待机。
进一步地，所述电子节目指南的生成程序被处理器执行时还实现如下操作：
接收用户触发的开机指令，根据所述开机指令开机；
根据EPG数据表的更新日期和当前系统时间进行判断，若EPG数据表的更新日期超过第二预设时间，则提示是否更新电子节目指南的信息；
若接收到用户触发的更新电子节目指南指令，则停止当前播放的视频，切换信号源至TV信源；
若接收到用户触发的不更新电子节目指南指令，则继续播放当前视频。
进一步地，所述电子节目指南的生成程序被处理器执行时还实现如下操作：
所述频点映射表包括频道号、频道名称和频点参数。
进一步地，所述电子节目指南的生成程序被处理器执行时还实现如下操作：
将所述频点映射表中的频点参数依次发送至高频头；
通过高频头对接收到的所述频点参数进行锁定。
进一步地，所述电子节目指南的生成程序被处理器执行时还实现如下操作：
通过高频头接收电视信号中与所述频点参数一致的高频信号；
将所述高频信号转化为中频信号；
通过调制解调器将所述中频信号转化为数字信号；
对所述数字信号进行反调制，生成传输流。
进一步地，所述电子节目指南的生成程序被处理器执行时还实现如下操作：
对所述传输流进行解复用，获得传输流中的节目映射表和事件信息表；
将所述节目映射表的节目名称和所述事件信息表中节目名称进行匹配，获取与所述节目名称相关的EPG数据。
进一步地，所述电子节目指南的生成程序被处理器执行时还实现如下操作：
所述EPG数据包括频道序号、频道名称和每个频道对应的节目名称。
本申请计算机可读存储介质的具体实施例与上述电子节目指南的生成方法各实施例基本相同，在此不作赘述。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者系统不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者系统所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者系统中还存在另外的相同要素。
上述本申请实施例序号仅仅为了描述，不代表实施例的优劣。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在如上所述的一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端设备(可以是手机，计算机，服务器，空调器，或者网络设备等)执行本申请各个实施例所述的方法。
以上仅为本申请的优选实施例，并非因此限制本申请的专利范围，凡是利用本申请说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本申请的专利保护范围内。

Claims (20)

  1. 一种电子节目指南的生成方法，其中，包括以下步骤：
    获取频点映射表，并获取频点映射表中多个频点参数；
    将所述频点参数发送至高频头，并通过高频头接收电视信号中与所述频点参数一致的高频信号，并将所述高频信号转化为传输流；
    根据所述传输流中的节目映射表和事件信息表，获取对应的EPG数据；
    将所述EPG数据保存到预设存储模块，形成EPG数据表，以供在接收到用户查看电子节目指南的指令后，根据所述EPG数据表生成对应的电子节目指南。
  2. 如权利要求1所述的电子节目指南的生成方法，其中，在所述获取频点映射表的步骤之前，包括：
    在待机状态时，获取待机时间，并判断所述待机时间是否为当天第一次达到第一预设时间；
    若是，则切换信号源至TV信源，并关闭声音和显示屏的背光；
    若否，则继续待机。
  3. 如权利要求1所述的电子节目指南的生成方法，其中，在所述获取频点映射表的步骤之前，还可以包括：
    接收用户触发的开机指令，根据所述开机指令开机；
    根据EPG数据表的更新日期和当前系统时间进行判断，若EPG数据表的更新日期超过第二预设时间，则提示是否更新电子节目指南的信息；
    若接收到用户触发的更新电子节目指南指令，则停止当前播放的视频，切换信号源至TV信源；
    若接收到用户触发的不更新电子节目指南指令，则继续播放当前视频。
  4. 如权利要求1所述的电子节目指南的生成方法，其中，所述频点映射表包括频道号、频道名称和频点参数。
  5. 如权利要求1所述的电子节目指南的生成方法，其中，所述将所述频点参数发送至高频头，并通过高频头接收电视信号中与所述频点参数一致的高频信号，并将所述高频信号转化为传输流的步骤，包括：
    将所述频点映射表中的频点参数依次发送至高频头；
    通过高频头对接收到的所述频点参数进行锁定。
  6. 如权利要求5所述的电子节目指南的生成方法，其中，所述将所述频点参数发送至高频头，并通过高频头接收电视信号中与所述频点参数一致的高频信号，并将所述高频信号转化为传输流的步骤，还包括：
    通过高频头接收电视信号中与所述频点参数一致的高频信号；
    将所述高频信号转化为中频信号；
    通过调制解调器将所述中频信号转化为数字信号；
    对所述数字信号进行反调制，生成传输流。
  7. 如权利要求1所述的电子节目指南的生成方法，其中，所述根据所述传输流中的节目映射表和事件信息表，获取对应的EPG数据的步骤，包括：
    对所述传输流进行解复用，获得传输流中的节目映射表和事件信息表；
    将所述节目映射表的节目名称和所述事件信息表中节目名称进行匹配，获取与所述节目名称相关的EPG数据。
  8. 如权利要求7所述的电子节目指南的生成方法，其中，所述EPG数据包括频道序号、频道名称和每个频道对应的节目名称。
  9. 一种电子节目指南的生成装置，其中，所述电子节目指南的生成装置包括：存储器、处理器及存储在所述存储器上并可在所述处理器上运行的电子节目指南的生成程序，所述电子节目指南的生成程序被所述处理器执行时实现如下步骤：
    获取频点映射表，并获取频点映射表中多个频点参数；
    将所述频点参数发送至高频头，并通过高频头接收电视信号中与所述频点参数一致的高频信号，并将所述高频信号转化为传输流；
    根据所述传输流中的节目映射表和事件信息表，获取对应的EPG数据；
    将所述EPG数据保存到预设存储模块，形成EPG数据表，以供在接收到用户查看电子节目指南的指令后，根据所述EPG数据表生成对应的电子节目指南。
  10. 如权利要求9所述的电子节目指南的生成装置，其中，所述电子节目指南的生成程序被所述处理器执行时还实现如下步骤：
    在待机状态时，获取待机时间，并判断所述待机时间是否为当天第一次达到第一预设时间；
    若是，则切换信号源至TV信源，并关闭声音和显示屏的背光；
    若否，则继续待机。
  11. 如权利要求9所述的电子节目指南的生成装置，其中，所述电子节目指南的生成程序被所述处理器执行时还实现如下步骤：
    接收用户触发的开机指令，根据所述开机指令开机；
    根据EPG数据表的更新日期和当前系统时间进行判断，若EPG数据表的更新日期超过第二预设时间，则提示是否更新电子节目指南的信息；
    若接收到用户触发的更新电子节目指南指令，则停止当前播放的视频，切换信号源至TV信源；
    若接收到用户触发的不更新电子节目指南指令，则继续播放当前视频。
  12. 如权利要求9所述的电子节目指南的生成装置，其中，所述电子节目指南的生成程序被所述处理器执行时还实现如下步骤：
    将所述频点映射表中的频点参数依次发送至高频头；
    通过高频头对接收到的所述频点参数进行锁定。
  13. 如权利要求12所述的电子节目指南的生成装置，其中，所述电子节目指南的生成程序被所述处理器执行时还实现如下步骤：
    通过高频头接收电视信号中与所述频点参数一致的高频信号；
    将所述高频信号转化为中频信号；
    通过调制解调器将所述中频信号转化为数字信号；
    对所述数字信号进行反调制，生成传输流。
  14. 如权利要求9所述的电子节目指南的生成装置，其中，所述电子节目指南的生成程序被所述处理器执行时还实现如下步骤：
    对所述传输流进行解复用，获得传输流中的节目映射表和事件信息表；
    将所述节目映射表的节目名称和所述事件信息表中节目名称进行匹配，获取与所述节目名称相关的EPG数据。
  15. 一种计算机可读存储介质，其上存储有计算机程序，其中，该程序被所述处理器执行时实现如下步骤：
    获取频点映射表，并获取频点映射表中多个频点参数；
    将所述频点参数发送至高频头，并通过高频头接收电视信号中与所述频点参数一致的高频信号，并将所述高频信号转化为传输流；
    根据所述传输流中的节目映射表和事件信息表，获取对应的EPG数据；
    将所述EPG数据保存到预设存储模块，形成EPG数据表，以供在接收到用户查看电子节目指南的指令后，根据所述EPG数据表生成对应的电子节目指南。
  16. 如权利要求15所述的计算机可读存储介质，其中，该程序被所述处理器执行时实现如下步骤：
    在待机状态时，获取待机时间，并判断所述待机时间是否为当天第一次达到第一预设时间；
    若是，则切换信号源至TV信源，并关闭声音和显示屏的背光；
    若否，则继续待机。
  17. 如权利要求15所述的计算机可读存储介质，其中，该程序被所述处理器执行时实现如下步骤：
    接收用户触发的开机指令，根据所述开机指令开机；
    根据EPG数据表的更新日期和当前系统时间进行判断，若EPG数据表的更新日期超过第二预设时间，则提示是否更新电子节目指南的信息；
    若接收到用户触发的更新电子节目指南指令，则停止当前播放的视频，切换信号源至TV信源；
    若接收到用户触发的不更新电子节目指南指令，则继续播放当前视频。
  18. 如权利要求15所述的计算机可读存储介质，其中，该程序被所述处理器执行时实现如下步骤：
    将所述频点映射表中的频点参数依次发送至高频头；
    通过高频头对接收到的所述频点参数进行锁定。
  19. 如权利要求18所述的计算机可读存储介质，其中，该程序被所述处理器执行时实现如下步骤：
    通过高频头接收电视信号中与所述频点参数一致的高频信号；
    将所述高频信号转化为中频信号；
    通过调制解调器将所述中频信号转化为数字信号；
    对所述数字信号进行反调制，生成传输流。
  20. 如权利要求15所述的计算机可读存储介质，其中，该程序被所述处理器执行时实现如下步骤：
    对所述传输流进行解复用，获得传输流中的节目映射表和事件信息表；
    将所述节目映射表的节目名称和所述事件信息表中节目名称进行匹配，获取与所述节目名称相关的EPG数据。
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