CN110312094B - Signal receiving apparatus, signal output control system, and signal output control method - Google Patents
Signal receiving apparatus, signal output control system, and signal output control method Download PDFInfo
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- CN110312094B CN110312094B CN201910439790.6A CN201910439790A CN110312094B CN 110312094 B CN110312094 B CN 110312094B CN 201910439790 A CN201910439790 A CN 201910439790A CN 110312094 B CN110312094 B CN 110312094B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
- H04N21/43637—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
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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]
- H04N21/60—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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
Abstract
The invention discloses a signal receiving device, a signal output control system and a signal output control method, wherein the signal receiving device comprises a first communication module, a first processor and a first HDMI (high-definition multimedia interface); the first processor comprises a request receiving module, a first cache module, a response module and a data output module; the request receiving module is used for acquiring a data sending request sent by the signal sending device and received by the first communication module; the response module is used for sending a response instruction to one signal transmitting device in the plurality of signal transmitting devices according to the acquired data sending request; the first cache module is used for acquiring video data sent by the signal transmitting device in response to the response instruction; and the data output module is used for sending the video data to the playing equipment through the first HDMI interface.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a signal receiving apparatus, a signal output control system, and a signal output control method.
Background
At present, as wireless audio/video communication equipment for transmitting multimedia information such as wireless audio/video and the like, the distance between a transmitter and a receiver can reach several kilometers or even dozens of kilometers due to the characteristics of high power, wireless transmission and the like. In a general wireless communication system, a plurality of signal transmitting devices are generally flexibly arranged at different places, a signal receiving device is generally fixedly arranged at a place close to a playing device, and the signal transmitting devices transmit audio and video to the signal receiving device in a wireless mode so that the signal receiving device can play the signal after receiving corresponding audio and video data.
However, how to avoid that a plurality of signal transmitting devices transmit audio/video data to a signal receiving device in a unit time, which causes an excessive load on a signal receiving end, is a technical problem to be urgently solved by those skilled in the art.
Disclosure of Invention
The invention mainly aims to provide a signal receiving device, a signal output control system and a signal output control method, and aims to solve the problem of large load of a signal receiving end.
In order to achieve the above object, the present invention provides a signal receiving device, which is applied to a signal output control system, wherein the signal output control system further comprises a plurality of signal transmitting devices in communication connection with the signal receiving device;
the signal receiving device comprises a first communication module, a first processor and a first HDMI (high-definition multimedia interface);
the first processor comprises a request receiving module, a first cache module, a response module and a data output module;
the request receiving module is used for acquiring a data sending request sent by the signal sending device and received by the first communication module;
the response module is used for sending a response instruction to one of the signal transmitting devices according to the acquired data sending request so that the signal transmitting device receiving the response instruction responds to the response instruction and sends video data output from the information source equipment in communication connection with the signal transmitting device;
the first cache module is used for acquiring video data sent by the signal transmitting device in response to the response instruction;
and the data output module is used for sending the video data to the playing equipment through the first HDMI interface.
Preferably, the reply module comprises: the device comprises an analysis unit, a receiving module and a processing unit, wherein the analysis unit is used for acquiring the latest data sending request in unit time, the latest data sending request is the last data sending request received by the request receiving module in unit time, and the data sending request comprises an identity corresponding to a signal transmitting device which sends the data sending request; and
and the response unit is used for generating a response instruction according to the latest data sending request, and sending the response instruction to the corresponding signal transmitting device which sends the latest data sending request according to the identity in the latest data sending request, so that the corresponding signal transmitting device sends the video data output by the information source equipment which is in communication connection with the corresponding signal transmitting device.
Preferably, the response unit is further configured to generate a pause instruction according to the latest data transmission request, and send the pause instruction to a signal transmitting apparatus that is in communication connection with the signal receiving apparatus except for the signal transmitting apparatus that transmits the latest data transmission request, so that the signal transmitting apparatus that receives the pause instruction stops transmitting video data output by a source device that is in communication connection with the signal transmitting apparatus.
Preferably, the first communication module is a wireless communication module, and the wireless communication frequency of the wireless communication module is 2.4GHz, 5.15-5.825 GHz, or 60 GHz.
In order to achieve the above object, the present invention provides a signal output control system, which includes a signal receiving device and a plurality of signal transmitting devices communicatively connected to the signal receiving device;
the signal receiving device comprises a first communication module, a first processor and a first HDMI (high-definition multimedia interface);
the first processor comprises a request receiving module, a first cache module, a response module and a data output module;
the request receiving module is used for acquiring a data sending request sent by the signal sending device and received by the first communication module;
the response module is used for sending a response instruction to one of the signal transmitting devices according to the acquired data sending request so that the signal transmitting device receiving the response instruction responds to the response instruction and sends video data output from the information source equipment in communication connection with the signal transmitting device;
the first cache module is used for acquiring video data sent by the signal transmitting device in response to the response instruction;
and the data output module is used for sending the video data to the playing equipment through the first HDMI interface.
Preferably, the reply module comprises: the device comprises an analysis unit, a receiving module and a processing unit, wherein the analysis unit is used for acquiring the latest data sending request in unit time, the latest data sending request is the last data sending request received by the request receiving module in unit time, and the data sending request comprises an identity corresponding to a signal transmitting device which sends the data sending request; and
and the response unit is used for generating a response instruction and sending the response instruction to the signal transmitting device which correspondingly sends the latest data transmission request according to the identity identifier in the latest data transmission request so as to enable the corresponding signal transmitting device to transmit the video data output by the information source equipment which is in communication connection with the corresponding signal transmitting device.
Preferably, the response unit is further configured to generate a pause instruction and send the pause instruction to a signal transmitting apparatus which is in communication connection with the signal receiving apparatus except for the signal transmitting apparatus which transmits the latest data transmission request, so that the signal transmitting apparatus which receives the pause instruction stops transmitting video data output by a source device which is in communication connection with the signal transmitting apparatus.
Preferably, the signal transmitting device comprises a signal trigger, a second communication module and a second processor;
when the signal trigger is triggered, a data sending request can be generated and sent to the signal receiving device through the second communication module;
the second communication module is further configured to receive a response instruction, where the response instruction is generated by the signal receiving device in response to the data sending request sent by the signal sending device;
the second processor comprises a second cache module and an output control module;
the second cache module is used for caching video data sent by the source equipment;
and the output control module is used for sending the video data to the signal receiving device according to the response instruction.
In order to achieve the above object, the present invention provides a signal output control method applied to a signal receiving apparatus, where the signal receiving apparatus includes a first communication module, a first buffer module, and a first HDMI interface, and the method includes:
acquiring a data sending request sent by the signal sending device and received by the first communication module;
sending a response instruction to one of the signal transmitting devices according to the acquired data sending request, so that the signal transmitting device receiving the response instruction responds to the response instruction and sends video data output from a source device in communication connection with the signal transmitting device;
acquiring video data sent by a signal transmitting device in response to the response instruction;
and sending the video data to the playing equipment through the first HDMI interface.
Preferably, the sending a response instruction to one of the signal transmitting devices according to the acquired data sending request includes:
acquiring a latest data sending request in unit time, wherein the latest data sending request is the last data sending request received by a request receiving module in unit time, and the data sending request comprises an identity corresponding to a signal transmitting device for sending the data sending request; and
and generating a response instruction according to the latest data sending request, and sending the response instruction to the corresponding signal transmitting device which sends the latest data sending request according to the identity in the latest data sending request so that the corresponding signal transmitting device sends the video data output by the information source equipment which is in communication connection with the corresponding signal transmitting device.
Compared with the existing design, the invention provides a signal receiving device, a signal output control system and a signal output control method. When the signal output control system configures one signal receiving device for a plurality of signal transmitting devices, the signal receiving device receives data transmitting requests sent by the plurality of signal transmitting devices and selects to send a response instruction to one of the signal transmitting devices which sends the data transmitting request and the corresponding signal transmitting device, so that the signal transmitting device which receives the response instruction correspondingly transmits a video signal to the signal receiving device. Because the signal receiving device receives the data transmission request instead of the video signal, the load of the signal receiving device on signal processing can be effectively reduced, and the service life of the signal receiving device can be effectively prolonged.
Further, when the signal receiving device receives a plurality of data sending requests in unit time, a response instruction is sent to any corresponding signal transmitting device sending the data sending request according to a preset control relation, so that the signal transmitting device receiving the response instruction can send data to the signal receiving device.
Meanwhile, a pause instruction is sent to other signal transmitting devices except the signal transmitting device which receives the response instruction, so that other signal transmitting devices which do not receive the response instruction pause the transmission of the video data to the signal receiving device, thereby effectively reducing the workload of the signal receiving device and avoiding the defect that the multipath signals are possibly influenced with each other when the multipath signals are processed in the signal receiving device.
Drawings
Fig. 1 is a block diagram of a signal output control system according to a first embodiment of the present invention;
fig. 2 is a block diagram of a signal transmitting device and a signal source device of a signal output control system according to the present invention;
FIG. 3 is a block diagram of a signal receiving apparatus and a playing device of a signal output control system according to the present invention;
FIG. 4 is a flowchart illustrating steps of a signal output control method according to a second embodiment of the present invention;
fig. 5 is a block diagram of a signal receiving apparatus according to a third embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The terms "first," "second," "third," "fourth," and the like in the description and in the claims of the present application and in the drawings described above, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that the embodiments described herein may be practiced otherwise than as specifically illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that the description relating to "first", "second", etc. in the present invention is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides a signal receiving device, a signal output control system and a signal output control method. When the signal output control system configures one signal receiving device for a plurality of signal transmitting devices, the signal receiving device receives data transmitting requests sent by the plurality of signal transmitting devices and selects to send a response instruction to one of the signal transmitting devices which sends the data transmitting request and the corresponding signal transmitting device, so that the signal transmitting device which receives the response instruction correspondingly transmits a video signal to the signal receiving device. Because the signal receiving device receives the data transmission request instead of the video signal, the load of the signal receiving device on signal processing can be effectively reduced, and the service life of the signal receiving device can be effectively prolonged.
Further, when the signal receiving device receives a plurality of data sending requests in unit time, a response instruction is sent to any corresponding signal transmitting device sending the data sending request according to a preset control relation, so that the signal transmitting device receiving the response instruction can send data to the signal receiving device.
Meanwhile, a pause instruction is sent to other signal transmitting devices except the signal transmitting device which receives the response instruction, so that other signal transmitting devices which do not receive the response instruction pause the transmission of the video data to the signal receiving device, thereby effectively reducing the workload of the signal receiving device and avoiding the defect that the multipath signals are possibly influenced with each other when the multipath signals are processed in the signal receiving device.
Referring to fig. 1, fig. 1 is a signal output control system 100 according to an embodiment of the present invention, where the signal output control system 100 includes a signal receiving device 10 and a plurality of signal transmitting devices 20. The signal receiving device 10 and the playing device 50 are connected in communication through a transmission line, so as to realize the transmission of signals between the signal receiving device 10 and the playing device 50. The signal transmitting apparatus 20 is communicatively connected to the source device 30 through a transmission line to realize signal transmission between the signal transmitting apparatus 20 and the source device 30. Each signal transmitting device 20 receives streaming media data, which may be audio data and/or video data, output by the source device 30 connected thereto, and the streaming media data is exemplified as video data in this application, but not limited to video data.
Referring to fig. 2, the signal receiving apparatus 20 includes a second communication module 201, a second processor 202, a second HDMI interface 203, and a signal trigger 204. The second processor 202 is electrically connected to the second communication module 201, the second HDMI interface 203, and the signal trigger 204, so as to control the signal trigger 204 to cooperate with the second communication module 201 and the second HDMI interface 203.
The second communication module 201 is a wireless communication module for performing wireless communication connection with the signal receiving device 10, and the wireless communication module may be a bluetooth module, a WiFi module, a 3G, 4G or 5G communication module, etc.
The second HDMI interface 203 is connected to the source device 30 through a transmission line connection, thereby communicatively connecting the source device 30 and the signal transmission apparatus 20 so that the source device 30 can output video data to the signal transmission apparatus 20.
The second processor 202 includes a second buffer module 2021 and an output control module 2022. The second buffer module 2021 is used for buffering the video data to be output from the source device 30 by the signal transmitting apparatus 20.
The signal trigger 204 may be a push-button switch, a touch switch or a toggle switch, and is configured to send a data sending request to the signal receiving apparatus 10 when being triggered, so that the signal receiving apparatus 10 generates a corresponding response instruction according to the data sending request, and sends the response instruction to one of the signal transmitting apparatuses 20 that sends the data sending request. Preferably, the signal transmitting apparatus 20 that receives the response instruction is the signal transmitting apparatus that has issued the data transmission request at the latest in the unit time.
After the signal transmitting apparatus 20 receives the response instruction, the output control module 2022 controls the second buffer module 2021 to transmit the video data to the signal receiving apparatus 10 through the second communication module 201 according to the response instruction.
Referring to fig. 3, the signal receiving apparatus 10 includes a first HDMI interface 102, a first communication module 103, and a first processor 104. The first processor 104 is electrically connected to the first HDMI interface 102 and the first communication module 103, so that the first HDMI interface 102 and the first communication module 103 cooperate with each other.
The first HDMI interface 102 is connected to the playback device 50 through a transmission line connection, so that the signal receiving apparatus 10 and the playback device 50 are communicatively connected to output the video data received by the signal receiving apparatus 10 to the playback device 50, thereby playing the video data on the playback device 50.
The first communication module 103 is a wireless communication module, which may be a bluetooth module, a WiFi module, a 3G, 4G or 5G communication module, and the like, for performing wireless communication connection with the signal transmitting device 20.
Preferably, the wireless communication frequency of the wireless communication module is 2.4GHz, 5.15-5.825 GHz or 60 GHz.
The first processor 104 includes a request receiving module 1041, a response module 1042, a data output module 1043, and a first cache module 1044.
The request receiving module 1041 is configured to obtain a data sending request sent by the signal sending apparatus 20 and received by the first communication module 103.
The response module 1042 is configured to send a response instruction to one of the signal emitting devices 20 according to the obtained data sending request, so that the signal emitting device receiving the response instruction responds to the response instruction and sends video data output from a source device communicatively connected to the signal emitting device.
The first buffer module 1044 is configured to store the video data sent by the signal transmitting apparatus 20 in response to the response instruction.
The data output module 1043 is configured to control the first buffer module 105 to send the video data to the playback device 50 through the first HDMI interface 102, so as to implement playing of the video data on the playback device 50.
In some embodiments, the response module 1042 includes an analysis unit (not shown) and a response unit (not shown). The analyzing unit is configured to obtain a latest data sending request in a unit time, where the latest data sending request is a last data sending request received by the request receiving module 1041 in the unit time, where the data sending request includes an identity identifier corresponding to the signal transmitting device 20 that sends the data sending request, and the unit time may be set as needed. Preferably, the unit time may be preset to 30s, 60s, or 120 s.
And the response unit is configured to generate a response instruction according to the latest data transmission request, and send the response instruction to the corresponding signal transmitting device 20 that sends the latest data transmission request according to the identity identifier in the latest data transmission request, so that the corresponding signal transmitting device 20 sends video data output by the information source device 30 that is in communication connection with the corresponding signal transmitting device.
Preferably, the response unit is further configured to generate a pause instruction and send the pause instruction to a signal transmitting apparatus which is in communication connection with the signal receiving apparatus except for the signal transmitting apparatus which transmits the latest data transmission request, so that the signal transmitting apparatus which receives the pause instruction stops transmitting video data output by a source device which is in communication connection with the signal transmitting apparatus.
For example, user a sends a first data transmission request to signal receiving apparatus 10 via signal transmitting apparatus 20a at time t1, where the first data transmission request includes the identity of signal transmitting apparatus 20 a.
User B sends a second data transmission request to signal receiving apparatus 10 via a signal transmitting apparatus 20B at time t2, where the second data request includes the identity of signal transmitting apparatus 20B.
The signal receiving device 10 determines the time sequence of receiving the first data sending request and the second data sending request, and if t2 is greater than t1, sends a response instruction to the signal emitting device 20B correspondingly operated by the user B, so that the signal emitting device 20B sends the video data to the signal receiving device 10 after receiving the response instruction.
Meanwhile, the signal receiving apparatus 10 further sends a pause instruction to the signal transmitting apparatus 20a correspondingly manipulated by the user a, so that the signal transmitting apparatus 20a receiving the pause instruction stops sending the video data output by the source device 30 which is in communication connection with the signal transmitting apparatus.
It is to be understood that, in some embodiments, the analyzing unit 10421 is configured to obtain an earliest data sending request in a unit time, where the earliest data sending request is a data sending request first received by the request receiving module 1042 in the unit time, and the data sending request includes an identity corresponding to a signal transmitting apparatus that sent the data sending request.
The response unit 10422 is configured to send, according to the identifier in the earliest data transmission request and according to the identifier in the earliest data transmission request, the response instruction to the corresponding signal transmitting apparatus 20 that sent the earliest data transmission request, so that the corresponding signal transmitting apparatus 20 transmits the video data output by the source device 30 that is in communication connection with the corresponding signal transmitting apparatus 20.
Because the signal transmitting device 20 is connected with the signal source equipment 30, the signal receiving device 10 is connected with the playing equipment 50, and the signal transmitting device 20 is connected with the signal receiving device 10 through wireless communication, signals output by the signal source equipment 30 can be transmitted to the signal receiving device 10 through wireless transmission, and therefore the problem of space limitation of a traditional wired transmission mode of the signal source equipment and the player is effectively solved.
Meanwhile, the signal receiving apparatus 20 selects the video data transmitted by the corresponding signal transmitting apparatus 10 through the data transmission request, so that the workload of the signal receiving apparatus 10 can be effectively reduced.
Referring to fig. 4, fig. 4 is a signal output control method applied to a signal receiving apparatus 10 of a signal output control system 100, where the signal output control system 100 further includes a plurality of signal transmitting apparatuses 20, the signal receiving apparatus 20 is in communication connection with one or more corresponding playing devices 50 through a transmission line, the signal transmitting apparatus 20 is in communication connection with a source device 30 through a transmission line, and the signal output control method includes steps S101 to S104:
step S101: and acquiring a data sending request sent by the signal sending device and received by the first communication module.
The signal transmitting apparatus 20 transmits a data transmission request to the signal receiving apparatus 20 through the signal trigger 204 by using the second communication module 201, and the signal receiving apparatus 20 receives the data transmission request through the first communication module 103. The first communication module 103 and the second communication module 201 are preferably wireless communication modules.
Step S102: and sending a response instruction to one of the signal transmitting devices according to the acquired data sending request, so that the signal transmitting device receiving the response instruction responds to the response instruction and sends the video data output from the source equipment in communication connection with the signal transmitting device.
In some embodiments, step S102 includes:
step S1021: the method comprises the steps of obtaining a latest data sending request in unit time, wherein the latest data sending request is the last data sending request received by a request receiving module in unit time, and the data sending request comprises an identity corresponding to a signal transmitting device which sends the data sending request.
The data sending request includes an identity identifier corresponding to a signal transmitting device that sends the data sending request, and the signal receiving device 10 determines the time sequence of the received data sending request sent by the corresponding signal transmitting device 20, so as to obtain the latest data sending request received in unit time, where the latest data sending request is the last data sending request received by the request receiving module in unit time.
Step S1022: and generating a response instruction according to the latest data sending request, and sending the response instruction to the corresponding signal transmitting device which sends the latest data sending request according to the identity in the latest data sending request so that the corresponding signal transmitting device sends the video data output by the information source equipment which is in communication connection with the corresponding signal transmitting device.
And generating a response instruction according to the latest data transmission request, and according to the identity of the corresponding signal transmitting device 20 in the latest data transmission request, sending the response instruction to the corresponding signal transmitting device which sends the latest data transmission request, so that the corresponding signal transmitting device transmits the video data output by the information source equipment which is in communication connection with the corresponding signal transmitting device.
In some embodiments, step S102 further includes:
step S1023: and generating a pause instruction according to the latest data transmission request, and transmitting the pause instruction to a signal transmitting device which is except for the signal transmitting device which transmits the latest data transmission request and is in communication connection with the signal receiving device, so that the signal transmitting device which receives the pause instruction stops transmitting the video data output by the source equipment which is in communication connection with the signal transmitting device.
Step S103: and acquiring the video data sent by the signal transmitting device in response to the response instruction.
The signal transmitting apparatus 20 receives the response command from the signal receiving apparatus 10, and then transmits the video data output by the source device connected to the signal transmitting apparatus. The signal receiving apparatus 10 receives the video data sent by the signal transmitting apparatus 20 in response to the response instruction through the first communication module 103.
Step S104: and sending the video data to the playing equipment through the first HDMI interface.
After receiving the video data sent by the signal transmitting apparatus 20 in response to the response instruction, the signal receiving apparatus 10 buffers the video data in the first buffer module 105 and controls the first buffer module 105 to send the video data to the playback device 50 through the first HDMI interface, so as to play the video at the playback device 50.
Referring to fig. 5, in some embodiments, the present invention further provides a signal receiving apparatus 10, the signal receiving apparatus 10 is applied to a signal output control system 100, the signal output control system 100 further includes a signal transmitting apparatus 20, the signal receiving apparatus 10 is communicatively connected to a playing device 50 through a transmission line, the signal transmitting apparatus 20 is communicatively connected to a source device 30 through a transmission line, and the signal receiving apparatus 10 includes a first communication module 103, a first HDMI interface 102, a first memory 105, a first processor 104, and a first bus 106. The first communication module 103, the first HDMI interface 102, and the first memory 105 are connected to the first processor 104 through a first bus 106.
The first memory 105 includes at least one type of readable storage medium including a flash memory, a hard disk, a multimedia card, a card type memory (e.g., SD or DX memory, etc.), a magnetic memory, a magnetic disk, an optical disk, and the like. The first memory 105 is used for storing a computer-readable signal output control method program.
The first processor 104, which may be a Central Processing Unit (CPU), a controller, a microcontroller, a microprocessor or other data Processing chip, may call the program codes stored in the first memory 105 or process data to implement the following steps:
acquiring a data sending request sent by the signal sending device and received by the first communication module;
sending a response instruction to one of the signal transmitting devices according to the acquired data sending request, so that the signal transmitting device receiving the response instruction responds to the response instruction and sends video data output from a source device in communication connection with the signal transmitting device;
acquiring video data sent by a signal transmitting device in response to the response instruction;
and sending the video data to the playing equipment through the first HDMI interface.
In some embodiments, the first processor 104 is further configured to implement the following steps:
acquiring a latest data sending request in unit time, wherein the latest data sending request is the last data sending request received by a request receiving module in unit time, and the data sending request comprises an identity corresponding to a signal transmitting device for sending the data sending request; and
and generating a response instruction according to the latest data sending request, and sending the response instruction to the corresponding signal transmitting device which sends the latest data sending request according to the identity in the latest data sending request so that the corresponding signal transmitting device sends the video data output by the information source equipment which is in communication connection with the corresponding signal transmitting device.
In some embodiments, the first processor 104 is further configured to implement the following steps:
and generating a pause instruction according to the latest data transmission request, and transmitting the pause instruction to a signal transmitting device which is except for the signal transmitting device which transmits the latest data transmission request and is in communication connection with the signal receiving device, so that the signal transmitting device which receives the pause instruction stops transmitting the video data output by the source equipment which is in communication connection with the signal transmitting device.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A signal receiving device is applied to a signal output control system, and is characterized in that the signal output control system also comprises a plurality of signal transmitting devices which are in communication connection with the signal receiving device;
the signal receiving device comprises a first communication module, a first processor and a first HDMI (high-definition multimedia interface), wherein the first HDMI is connected with the playing equipment through a transmission line;
the first processor comprises a request receiving module, a first cache module, a response module and a data output module;
the request receiving module is used for acquiring a data sending request sent by the signal sending device and received by the first communication module;
the response module is used for sending a response instruction to one of the signal transmitting devices according to the acquired data sending request so that the signal transmitting device receiving the response instruction responds to the response instruction and sends video data output from the information source equipment in communication connection with the signal transmitting device;
the first cache module is used for acquiring video data sent by the signal transmitting device in response to the response instruction;
and the data output module is used for sending the video data to the playing equipment through the first HDMI interface.
2. The signal receiving apparatus of claim 1, wherein the reply module comprises:
the device comprises an analysis unit, a receiving module and a processing unit, wherein the analysis unit is used for acquiring the latest data sending request in unit time, the latest data sending request is the last data sending request received by the request receiving module in unit time, and the data sending request comprises an identity corresponding to a signal transmitting device which sends the data sending request; and
and the response unit is used for generating a response instruction according to the latest data sending request, and sending the response instruction to the corresponding signal transmitting device which sends the latest data sending request according to the identity in the latest data sending request, so that the corresponding signal transmitting device sends the video data output by the information source equipment which is in communication connection with the corresponding signal transmitting device.
3. The signal receiving apparatus of claim 2, wherein: the response unit is also used for generating a pause instruction according to the latest data transmission request and transmitting the pause instruction to a signal transmitting device which is except for the signal transmitting device which transmits the latest data transmission request and is in communication connection with the signal receiving device, so that the signal transmitting device which receives the pause instruction stops transmitting the video data output by the source equipment which is in communication connection with the signal transmitting device.
4. A signal receiving apparatus according to claim 3, wherein: the first communication module is a wireless communication module, and the wireless communication frequency of the wireless communication module is 2.4GHz, 5.15-5.825 GHz or 60 GHz.
5. A signal output control system is characterized by comprising a signal receiving device and a plurality of signal transmitting devices which are in communication connection with the signal receiving device;
the signal receiving device comprises a first communication module, a first processor and a first HDMI (high-definition multimedia interface), wherein the first HDMI is connected with the playing equipment through a transmission line;
the first processor comprises a request receiving module, a first cache module, a response module and a data output module;
the request receiving module is used for acquiring a data sending request sent by the signal sending device and received by the first communication module;
the response module is used for sending a response instruction to one of the signal transmitting devices according to the acquired data sending request so that the signal transmitting device receiving the response instruction responds to the response instruction and sends video data output from the information source equipment in communication connection with the signal transmitting device;
the first cache module is used for acquiring video data sent by the signal transmitting device in response to the response instruction;
and the data output module is used for sending the video data to the playing equipment through the first HDMI interface.
6. The signal output control system of claim 5, wherein the reply module comprises:
the device comprises an analysis unit, a receiving module and a processing unit, wherein the analysis unit is used for acquiring the latest data sending request in unit time, the latest data sending request is the last data sending request received by the request receiving module in unit time, and the data sending request comprises an identity corresponding to a signal transmitting device which sends the data sending request; and
and the response unit is used for generating a response instruction and sending the response instruction to the signal transmitting device which correspondingly sends the latest data transmission request according to the identity identifier in the latest data transmission request so as to enable the corresponding signal transmitting device to transmit the video data output by the information source equipment which is in communication connection with the corresponding signal transmitting device.
7. The signal output control system according to claim 6, wherein the response unit is further configured to generate a pause instruction and send the pause instruction to a signal transmitting apparatus that is communicatively connected to the signal receiving apparatus except for the signal transmitting apparatus that transmitted the latest data transmission request, so that the signal transmitting apparatus that received the pause instruction stops transmitting video data output from a source device that is communicatively connected thereto.
8. The signal output control system according to claim 6, wherein: the signal transmitting device comprises a signal trigger, a second communication module and a second processor;
when the signal trigger is triggered, a data sending request can be generated and sent to the signal receiving device through the second communication module;
the second communication module is further configured to receive a response instruction, where the response instruction is generated by the signal receiving device in response to the data sending request sent by the signal sending device;
the second processor comprises a second cache module and an output control module;
the second cache module is used for caching video data sent by the source equipment;
and the output control module is used for sending the video data to the signal receiving device according to the response instruction.
9. A signal output control method is applied to a signal receiving device, the signal receiving device comprises a first communication module, a first buffer module and a first HDMI interface, the first HDMI interface is connected with a playing device through a transmission line, and the method comprises the following steps:
acquiring a data sending request sent by a signal sending device received by the first communication module;
sending a response instruction to one of the signal transmitting devices according to the acquired data sending request, so that the signal transmitting device receiving the response instruction responds to the response instruction and sends video data output from a source device in communication connection with the signal transmitting device;
acquiring video data sent by a signal transmitting device in response to the response instruction;
and sending the video data to the playing equipment through the first HDMI interface.
10. The signal output control method according to claim 9, wherein said sending a response instruction to one of the signal transmission apparatuses according to the acquired data sending request includes:
acquiring a latest data sending request in unit time, wherein the latest data sending request is the last data sending request received by a request receiving module in unit time, and the data sending request comprises an identity corresponding to a signal transmitting device for sending the data sending request; and
and generating a response instruction according to the latest data sending request, and sending the response instruction to the corresponding signal transmitting device which sends the latest data sending request according to the identity in the latest data sending request so that the corresponding signal transmitting device sends the video data output by the information source equipment which is in communication connection with the corresponding signal transmitting device.
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