CN108989835B - Program signal control method, device and system - Google Patents

Program signal control method, device and system Download PDF

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Publication number
CN108989835B
CN108989835B CN201810876021.8A CN201810876021A CN108989835B CN 108989835 B CN108989835 B CN 108989835B CN 201810876021 A CN201810876021 A CN 201810876021A CN 108989835 B CN108989835 B CN 108989835B
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China
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program
operation information
port
target
relation tree
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CN108989835A (en
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宋楠
郭长振
姜萍
李欣
张刚
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Sumavision Technologies Co Ltd
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Sumavision Technologies Co Ltd
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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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/233—Processing of audio elementary streams
    • H04N21/2335—Processing of audio elementary streams involving reformatting operations of audio signals, e.g. by converting from one coding standard to another
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234309—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 or from Quicktime to Realvideo
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/239—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
    • H04N21/2393—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
    • 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
    • H04N21/439—Processing of audio elementary streams
    • H04N21/4398—Processing of audio elementary streams involving reformatting operations of audio signals
    • 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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
    • H04N21/440218—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4
    • 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
    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/637—Control signals issued by the client directed to the server or network components
    • H04N21/6377—Control signals issued by the client directed to the server or network components directed to server

Abstract

The invention provides a program signal control method, a device and a system, wherein the method is applied to broadcasting equipment, the broadcasting equipment is communicated with a control terminal, a visual control interface is installed on the control terminal, and the method comprises the following steps: receiving operation information sent by a control terminal, wherein the operation information is generated by dragging operation or batch selection transmission operation of a target program on a visual control interface by a worker; according to the operation information, determining a target program on a preset input end port program relation tree at the moment before the operation information is received, and determining a target port on a preset output end port program relation tree at the moment before the operation information is received; the program signal corresponding to the target program is sent to the target port, so that the technical problem of low efficiency of the program signal control process in the prior art is solved, and the technical effect of improving the efficiency of the program signal control process is achieved.

Description

Program signal control method, device and system
Technical Field
The present invention relates to the field of broadcast television technologies, and in particular, to a method, an apparatus, and a system for controlling program signals.
Background
Broadcast television (Radio and television) is a transmission medium for broadcasting audio and video programs to a wide area by Radio waves or by wires, and is generally called broadcasting. Broadcasting only sound, called sound broadcasting; broadcasting images and sounds is called television broadcasting. In the process of broadcasting images and sounds by broadcast television, processing procedures related to encoding, decoding, transcoding, routing, multiplexing, and the like of program signals are required.
Upon completion of these processes, the broadcasting apparatus needs to transmit a program signal from an input interface (including a plurality of input ports) to an output interface (including a plurality of output ports) in accordance with operation information of a worker. In practical application, a visual control interface is installed on a terminal which is communicated with broadcasting equipment, and a worker controls program signals in the broadcasting equipment by operating the visual control interface. In the prior art, a worker controls a certain program signal through a drop-down box or a check box of a visual control interface, but when the number of ports is large and the number of programs is large, the operation of the worker is easy to cause errors, and the drop-down box or the check box is adopted to control each program signal, so that a large amount of time and energy of the worker are consumed, and the problem of low efficiency of a program signal control process is caused.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a method, an apparatus and a system for controlling a program signal, so as to alleviate the technical problem of low efficiency of the program signal control process in the prior art.
In a first aspect, an embodiment of the present invention provides a program signal control method, where the method is applied to a broadcast device, the broadcast device communicates with a control terminal, and a visual control interface is installed on the control terminal, and the method includes:
receiving operation information sent by the control terminal, wherein the operation information is generated by dragging operation or batch selection transmission operation of a target program on the visual control interface by a worker;
according to the operation information, determining the target program on a preset input end port program relation tree at the moment before the operation information is received, and determining a target port on a preset output end port program relation tree at the moment before the operation information is received;
and sending a program signal corresponding to the target program to the target port.
With reference to the first aspect, an embodiment of the present invention provides a first possible implementation manner of the first aspect, where if the operation information is generated according to a drag operation performed by a worker on the target program on the visual control interface, determining the target program on a preset input port program relationship tree at a time before the operation information is received according to the operation information, including:
determining the program corresponding to the selected identifier in the operation information as a program to be selected in the preset input end port program relation tree;
if the operation completion information in the operation information is received, judging whether the program to be selected is in an input end port program relation tree at the current moment;
and if the program to be selected is not in the program relation tree of the input end port, determining the program to be selected as the target program.
With reference to the first aspect, an embodiment of the present invention provides a second possible implementation manner of the first aspect, where determining, according to the operation information, a target port on a preset output port program relationship tree at a time before receiving the operation information includes:
if the operation completion information in the operation information is received, judging whether the output port program relation tree at the current moment is the same as the preset output port program relation tree or not;
if the program relation tree of the output port at the current moment is different from the preset program relation tree of the output port, comparing the preset program relation tree of the output port with the program relation tree of the output port at the current moment, and determining the port with the changed program quantity as the target port.
With reference to the first aspect, an embodiment of the present invention provides a third possible implementation manner of the first aspect, where if the operation information is generated according to a batch selection transmission operation performed on the target program by a worker on the visual control interface, determining the target program on a preset input port program relationship tree at a time before receiving the operation information according to the operation information, including:
determining a program set corresponding to the selected identification set in the operation information as a program set to be selected in the preset input end port program relation tree;
if the transmission completion operation information in the operation information is received, judging whether each program in the to-be-selected program set is in an input end port program relation tree at the current moment;
and if each program in the to-be-selected program set is not in the input end port program relationship tree, determining each program in the to-be-selected program set as the target program.
With reference to the first aspect, an embodiment of the present invention provides a fourth possible implementation manner of the first aspect, where determining, according to the operation information, a target port on a preset output port program relationship tree at a time before receiving the operation information includes:
if the transmission completion operation information in the operation information is received, judging whether the output port program relation tree at the current moment is the same as the preset output port program relation tree or not;
if the program relation tree of the output port at the current moment is different from the preset program relation tree of the output port, comparing the preset program relation tree of the output port with the program relation tree of the output port at the current moment, and determining the port with the changed program quantity as the target port.
With reference to the first aspect, an embodiment of the present invention provides a fifth possible implementation manner of the first aspect, where before sending a program signal corresponding to the target program to the target port, the method further includes:
receiving a video coding standard and an audio coding standard of the target program sent by the control terminal;
converting a video format of a video signal in the program signal into a video format satisfying the video encoding standard;
and converting the audio format of the audio signal in the program signal into the audio format meeting the audio coding standard.
With reference to the first aspect, an embodiment of the present invention provides a sixth possible implementation manner of the first aspect, where the method further includes:
and at a preset moment, sending the stored preset program signal to a preset port.
In a second aspect, an embodiment of the present invention further provides a program signal control apparatus, including: the device comprises a receiving module, a processing module and a sending module;
the receiving module is used for receiving operation information sent by the control terminal, and the operation information is generated by dragging operation or batch selection transmission operation of a target program on a visual control interface by a worker;
the processing module is used for determining the target program on a preset input end port program relation tree at the moment before the operation information is received and determining a target port on a preset output end port program relation tree at the moment before the operation information is received according to the operation information;
and the sending module is used for sending the program signal corresponding to the target program to the target port.
In a third aspect, an embodiment of the present invention further provides a program signal control system, including: a control terminal and a broadcast apparatus applying the method according to any of the first aspect.
In a fourth aspect, the present invention also provides a computer-readable medium having non-volatile program code executable by a processor, where the program code causes the processor to execute the method according to any one of the first aspect.
The embodiment of the invention has the following beneficial effects: the program signal control method provided by the embodiment of the invention is applied to broadcasting equipment, the broadcasting equipment is communicated with a control terminal, a visual control interface is installed on the control terminal, and the method comprises the following steps: receiving operation information sent by the control terminal, wherein the operation information is generated by dragging operation or batch selection transmission operation of a target program on the visual control interface by a worker; according to the operation information, determining the target program on a preset input end port program relation tree at the moment before the operation information is received, and determining a target port on a preset output end port program relation tree at the moment before the operation information is received; and sending a program signal corresponding to the target program to the target port.
Therefore, when a worker controls a program signal by operating a visual control interface, the worker may perform a dragging operation or a batch selection transmission operation on a target program on the visual control interface, the worker performs the dragging operation or the batch selection transmission operation on the target program on the visual control interface to generate operation information, the broadcasting device receives the operation information sent by the control terminal, determines the target program on a preset input port program relation tree at a time before the operation information is received according to the operation information, and determines a target port on a preset output port program relation tree at a time before the operation information is received; the program signal corresponding to the target program is sent to the target port, and a worker drags or selects transmission operation in batches for the target program on the visual control interface, so that the situation that errors are easy to occur in operation due to the fact that a drop-down box or a check box is used can be avoided, a large amount of time and energy of the worker can be saved, the technical problem that the program signal control process in the prior art is low in efficiency is solved, and the technical effect of improving the program signal control process efficiency is achieved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a first flowchart of a program signal control method according to an embodiment of the present invention;
fig. 2 is a second flowchart of a program signal control method according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a program relationship tree of a preset input port according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an input port program relationship tree according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a program relationship tree of a preset output port according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of an output port program relationship tree according to an embodiment of the present invention;
fig. 7 is a schematic block diagram of a program signal control apparatus according to an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a program signal control system according to an embodiment of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. 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.
Currently, broadcast television (Radio and television) is a transmission medium for broadcasting audio and video programs to a wide area through Radio waves or through wires, and is collectively called broadcasting. Broadcasting only sound, called sound broadcasting; broadcasting images and sounds is called television broadcasting. In the process of broadcasting images and sounds by broadcast television, processing procedures related to encoding, decoding, transcoding, routing, multiplexing, and the like of program signals are required.
Upon completion of these processes, the broadcasting apparatus needs to transmit a program signal from an input interface (including a plurality of input ports) to an output interface (including a plurality of output ports) in accordance with operation information of a worker. In practical application, a visual control interface is installed on a terminal which is communicated with broadcasting equipment, and a worker controls program signals in the broadcasting equipment by operating the visual control interface. In the prior art, a worker controls a certain program signal through a drop-down box or a check box of a visual control interface, but when the number of ports is large and the number of programs is large, the operation of the worker is prone to errors, and the drop-down box or the check box is adopted to control each program signal, so that a large amount of time and energy of the worker are consumed, and the problem of low efficiency of a program signal control process is caused.
In order to facilitate understanding of the embodiment, a detailed description is first given of a program signal control method disclosed in the embodiment of the present invention, where the method is applied to a broadcasting device, the broadcasting device communicates with a control terminal, and a visual control interface is installed on the control terminal.
Wherein, the broadcasting apparatus may include: the input interface may include a plurality of input ports, the output interface may include a plurality of output ports, the processor, and the memory. Each input port may receive a program signal. The memory may be a FLASH memory that may be used to store program signals. Each output port may be used to output a program signal. The input interface may be: an ASI input interface module, an RF demodulation and descrambling input module, an IP network port input module or a DS3 input module, etc. The output interface may be: an ASI output interface module, an RF demodulation scrambling output module, an IP network port output module or a DS3 output module and the like.
Illustratively, the control terminal can be a computer, or can be a tablet computer, or can be a mobile phone, and the like.
As shown in fig. 1, the program signal control method may include the following steps.
And step S101, receiving operation information sent by the control terminal, wherein the operation information is generated according to the dragging operation or the batch selection transmission operation of a worker on the visual control interface for the target program.
In the embodiment of the invention, if a worker wants to send a program signal of a program to an output port, the worker drags a target program on a visual control interface (installed on a control terminal). The specific operation can be as follows: and directly selecting the icon of the target program, then pressing a left button of the mouse, dragging the icon of the target program to the position below the icon of the output port, and finally releasing the left button of the mouse. The control terminal transmits operation information generated according to the specific operation to the broadcasting device.
In the embodiment of the invention, if a worker wants to send program signals of a plurality of programs to one output port, the worker performs batch selection transmission operation on target programs on a visual control interface (installed on a control terminal). The specific operation can be as follows: the icons of the plurality of programs and the icon of the output port are directly and simultaneously selected, and then the transmission icon is pressed. The control terminal transmits operation information generated according to the specific operation to the broadcasting device.
Step S102, according to the operation information, the target program is determined on a preset input end port program relation tree at the moment before the operation information is received, and the target port is determined on a preset output end port program relation tree at the moment before the operation information is received.
If the operation information is generated by a drag operation performed on the target program on the visual control interface by a worker, determining the target program on a preset input port program relation tree at a time before the operation information is received according to the operation information, as shown in fig. 2, which may include the following steps.
Step S201, determining a program corresponding to the selected identifier in the operation information as a program to be selected in the preset input port program relationship tree.
In the embodiment of the present invention, each input port can receive a program signal, so a preset input port program relation tree is generated according to the condition that each input port receives a program signal. The preset input port program relationship tree may be as shown in fig. 3. The presetting of the input port program relationship tree may include: the board card 31 and 3 input ports, 3 input ports are respectively: input port 32, input port 33, and input port 34. Input port 32 contains 2 programs, CCTV1-HD35 and CCTV2-HD36, respectively. Input port 33 contains programs CCTV3-HD 37. The input port 34 contains 2 programs, respectively: CCTV4-HD38 and CCTV5-HD 39. Each component in the preset input port program relation tree is provided with a unique identifier.
Step S202, if the operation completion information in the operation information is received, whether the program to be selected is in the input end port program relation tree at the current time is judged.
For example, the operation completion information may be a left mouse button release operation after the drag operation.
In the embodiment of the present invention, if the program to be selected is CCTV2-HD36, the relationship tree of the programs at the input port generated after the drag operation by the staff is completed may be as shown in fig. 4.
Step S203, if the program to be selected is not in the input port program relationship tree, determining the program to be selected as the target program.
In the embodiment of the present invention, if the program to be selected is not in the program relationship tree of the input port, it indicates that the identifier of the program to be selected has been dragged to the control interface of the output port.
Further, according to the operation information, determining a target port on a preset output port program relationship tree at a time before receiving the operation information may include the following steps:
(1) and if the operation completion information in the operation information is received, judging whether the output port program relation tree at the current moment is the same as the preset output port program relation tree or not.
As shown in fig. 5, the preset output port program relationship tree may include a board 41, an output port 42, an output port 43, and an output port 44. Output port 42 contains programs CETV1-HD45, output port 43 contains programs CETV2-HD46 and programs CETV3-HD47, and output port 44 contains programs CETV4-HD 48.
The output port program relationship tree for the current time may be as shown in fig. 6. The output port program relationship tree at the current time may include: a board card 41, an output port 42, an output port 43, and an output port 44. Output port 42 contains programs CETV1-HD45 and programs CCTV2-HD36, output port 43 contains programs CETV2-HD46 and programs CETV3-HD47, and output port 44 contains programs CETV4-HD 48.
(2) If the program relation tree of the output port at the current moment is different from the preset program relation tree of the output port, comparing the preset program relation tree of the output port with the program relation tree of the output port at the current moment, and determining the port with the changed program quantity as the target port.
The port where the number of programs is changed is the output port 42, and therefore, the output port 42 is determined as the destination port.
In this embodiment of the present invention, if the operation information is generated by performing a batch selective transmission operation on the target program on the visual control interface according to a worker, and the target program is determined on a preset input port program relationship tree at a time before the operation information is received according to the operation information, the method may include the following steps:
(1) and determining a program set corresponding to the selected identification set in the operation information as a program set to be selected in the preset input end port program relation tree.
And generating a selected identification set as a result of batch selection operation of the target programs on the visual control interface by the staff. The selected program identifiers may be included in the selected program identifier set.
(2) And if the transmission completion operation information in the operation information is received, judging whether each program in the to-be-selected program set is in the input end port program relation tree at the current moment.
(3) And if each program in the to-be-selected program set is not in the input end port program relationship tree, determining each program in the to-be-selected program set as the target program.
Further, according to the operation information, determining a target port on a preset output port program relationship tree at a time before receiving the operation information may include the following steps:
(1) and if the transmission completion operation information in the operation information is received, judging whether the output port program relation tree at the current moment is the same as the preset output port program relation tree.
(2) If the program relation tree of the output port at the current moment is different from the preset program relation tree of the output port, comparing the preset program relation tree of the output port with the program relation tree of the output port at the current moment, and determining the port with the changed program quantity as the target port.
Step S103, sending the program signal corresponding to the target program to the target port.
In an embodiment of the present invention, the program signal control method provided in the embodiment of the present invention is applied to a broadcasting device, where the broadcasting device communicates with a control terminal, and the control terminal is provided with a visual control interface, and the method includes: receiving operation information sent by the control terminal, wherein the operation information is generated by dragging operation or batch selection transmission operation of a target program on the visual control interface by a worker; according to the operation information, determining the target program on a preset input end port program relation tree at the moment before the operation information is received, and determining a target port on a preset output end port program relation tree at the moment before the operation information is received; and sending a program signal corresponding to the target program to the target port.
Therefore, when a worker controls a program signal by operating a visual control interface, the worker may perform a dragging operation or a batch selection transmission operation on a target program on the visual control interface, the worker performs the dragging operation or the batch selection transmission operation on the target program on the visual control interface to generate operation information, the broadcasting device receives the operation information sent by the control terminal, determines the target program on a preset input port program relation tree at a time before the operation information is received according to the operation information, and determines a target port on a preset output port program relation tree at a time before the operation information is received; the program signal corresponding to the target program is sent to the target port, and a worker drags or selects transmission operation in batches for the target program on the visual control interface, so that the situation that errors are easy to occur in operation due to the fact that a drop-down box or a check box is used can be avoided, a large amount of time and energy of the worker can be saved, the technical problem that the program signal control process in the prior art is low in efficiency is solved, and the technical effect of improving the program signal control process efficiency is achieved.
In practical applications, there may be a case that an encoding standard of a program signal of a target program does not meet an encoding requirement of a target port, and to solve this problem, in a further embodiment of the present invention, before sending the program signal corresponding to the target program to the target port, the method further includes:
and receiving the video coding standard and the audio coding standard of the target program sent by the control terminal.
Illustratively, the video encoding standard may be an h.264 video format, or may be an AVS video format, etc. The audio encoding standard may be an MPEG-1 audio format, or may be a dolby audio format, or the like.
And converting the video format of the video signal in the program signal into the video format meeting the video coding standard.
For example, the video signal in the program signal of the target program may be in the h.264 video format. When the client requests the video signal in the destination port to be in the AVS video format, the video signal in the h.264 video format may be converted into the video signal in the AVS video format.
And converting the audio format of the audio signal in the program signal into the audio format meeting the audio coding standard.
For example, the audio signal in the program signal of the target program may be in the MPEG-1 audio format. When the client requests the audio signal in the destination port to be in dolby audio format, the audio signal in MPEG-1 audio format may be converted to a video signal in dolby audio format.
In the embodiment of the invention, the staff can also carry out operations such as code rate modification, content processing, program information addition and deletion, program information correction and the like on the selected program signal through the visual control interface. The content processing operations may include: adding AI, statistical multiplexing, processing by a graphic and text subtitle algorithm and the like.
In the embodiment of the invention, the video format conversion can be carried out on the video signal in the program signal to be transmitted, and the audio format conversion can also be carried out on the audio signal in the program signal to be transmitted, so that the requirements of various video formats and various audio formats of clients can be met.
In practical applications, there may be a case where a preset program needs to be played at a fixed time, and to solve this problem, in another embodiment of the present invention, the method further includes:
and at a preset moment, sending the stored preset program signal to a preset port.
The preset time can be a certain time every day, the preset program signal can be a program signal stored in the FLASH memory by a worker in advance, and the preset port can be a preset output port.
For example, the preset program signal may be a carousel program signal, a special source, and the like. The special source may be a composite isochronous video broadcast signal or may be an SDI signal.
In the embodiment of the invention, the stored preset program signal can be sent to the preset port at the preset moment, so that a worker does not need to send the program signal manually at the moment when the program signal needs to be sent, and the labor cost and the time cost can be saved through the preset setting.
In another embodiment of the present invention, a program signal control apparatus disclosed in the embodiment of the present invention is described in detail, and as shown in fig. 7, the program signal control apparatus may include: a receiving module 71, a processing module 72 and a transmitting module 73.
The receiving module 71 is configured to receive operation information sent by the control terminal, where the operation information is generated according to a drag operation or a batch selection transmission operation performed by a worker on a visual control interface on a target program.
The processing module 72 is configured to determine, according to the operation information, the target program on a preset input port program relationship tree at a time before the operation information is received, and determine the target port on a preset output port program relationship tree at a time before the operation information is received.
The sending module 73 is configured to send a program signal corresponding to the target program to the target port.
In another embodiment of the present invention, a program signal control system disclosed in the embodiment of the present invention is described in detail, and the program signal control system may include: a control terminal and a broadcast apparatus applying the method according to any of the above embodiments.
In this embodiment of the present invention, as shown in fig. 8, the program signal control system may include: a control terminal 81 and a broadcast device 82. The control terminal 81 communicates with the broadcasting device 82, and a visual control interface can be installed on the control terminal 81.
Illustratively, the broadcasting device may include: input interface, output interface, processor and memory. The memory may be a FLASH memory.
Illustratively, the control terminal can be a computer, or can be a tablet computer, or can be a mobile phone, and the like.
In a further embodiment of the present invention, a computer-readable medium having a non-volatile program code executable by a processor and causing the processor to perform any one of the methods of the above embodiments is disclosed.
Unless specifically stated otherwise, the relative steps, numerical expressions, and values of the components and steps set forth in these embodiments do not limit the scope of the present invention.
The device provided by the embodiment of the present invention has the same implementation principle and technical effect as the method embodiments, and for the sake of brief description, reference may be made to the corresponding contents in the method embodiments without reference to the device embodiments.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the system and the apparatus described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of example embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The computer program product for performing the program signal control method provided in the embodiment of the present invention includes a computer-readable storage medium storing a nonvolatile program code executable by a processor, where instructions included in the program code may be used to execute the method described in the foregoing method embodiment, and specific implementation may refer to the method embodiment, and is not described herein again.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a non-volatile computer-readable storage medium executable by a processor. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (6)

1. A program signal control method is applied to broadcasting equipment, the broadcasting equipment is communicated with a control terminal, a visual control interface is installed on the control terminal, and the method comprises the following steps:
receiving operation information sent by the control terminal, wherein the operation information is generated by dragging a target program on the visual control interface by a worker; the drag operation includes: directly selecting the icon of the target program, and dragging the icon of the target program to be below the icon of the output port;
according to the operation information, determining the target program on a preset input end port program relation tree at the moment before the operation information is received, and determining a target port on a preset output end port program relation tree at the moment before the operation information is received;
sending a program signal corresponding to the target program to the target port;
according to the operation information, determining the target program on a preset input end port program relation tree at the moment before receiving the operation information, wherein the method comprises the following steps:
determining the program corresponding to the selected identifier in the operation information as a program to be selected in the preset input end port program relation tree;
if the operation completion information in the operation information is received, judging whether the program to be selected is in an input end port program relation tree at the current moment;
if the program to be selected is not in the input end port program relation tree, determining the program to be selected as the target program;
according to the operation information, determining a target port on a preset output port program relation tree at the moment before receiving the operation information, wherein the method comprises the following steps:
if the operation completion information in the operation information is received, judging whether the output port program relation tree at the current moment is the same as the preset output port program relation tree or not;
if the program relation tree of the output port at the current moment is different from the preset program relation tree of the output port, comparing the preset program relation tree of the output port with the program relation tree of the output port at the current moment, and determining the port with the changed program quantity as the target port.
2. A program signal control method is applied to broadcasting equipment, the broadcasting equipment is communicated with a control terminal, a visual control interface is installed on the control terminal, and the method comprises the following steps:
receiving operation information sent by the control terminal, wherein the operation information is generated by carrying out batch selection transmission operation on target programs on the visual control interface by a worker; the bulk selection transfer operation comprises: directly and simultaneously selecting icons of a plurality of programs and icons of an output port, and then pressing a transmission icon;
according to the operation information, determining the target program on a preset input end port program relation tree at the moment before the operation information is received, and determining a target port on a preset output end port program relation tree at the moment before the operation information is received;
sending a program signal corresponding to the target program to the target port;
according to the operation information, determining the target program on a preset input end port program relation tree at the moment before receiving the operation information, wherein the method comprises the following steps:
determining a program set corresponding to the selected identification set in the operation information as a program set to be selected in the preset input end port program relation tree;
if the transmission completion operation information in the operation information is received, judging whether each program in the to-be-selected program set is in an input end port program relation tree at the current moment;
if each program in the to-be-selected program set is not in the input end port program relationship tree, determining each program in the to-be-selected program set as the target program;
according to the operation information, determining a target port on a preset output port program relation tree at the moment before receiving the operation information, wherein the method comprises the following steps:
if the transmission completion operation information in the operation information is received, judging whether the output port program relation tree at the current moment is the same as the preset output port program relation tree or not;
if the program relation tree of the output port at the current moment is different from the preset program relation tree of the output port, comparing the preset program relation tree of the output port with the program relation tree of the output port at the current moment, and determining the port with the changed program quantity as the target port.
3. The program signal control method of any one of claims 1-2, wherein before sending the program signal corresponding to the target program to the target port, the method further comprises:
receiving a video coding standard and an audio coding standard of the target program sent by the control terminal;
converting a video format of a video signal in the program signal into a video format satisfying the video encoding standard;
and converting the audio format of the audio signal in the program signal into the audio format meeting the audio coding standard.
4. The program signal control method of claim 3, wherein the method further comprises:
and at a preset moment, sending the stored preset program signal to a preset port.
5. A program signal control system, comprising: control terminal and broadcast device applying the method according to any of claims 1-4.
6. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the method of any one of claims 1 to 4.
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