CN108112091A - A kind of method and system that real-time Transmission audio and video are realized by WIFI - Google Patents
A kind of method and system that real-time Transmission audio and video are realized by WIFI Download PDFInfo
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- CN108112091A CN108112091A CN201711365597.XA CN201711365597A CN108112091A CN 108112091 A CN108112091 A CN 108112091A CN 201711365597 A CN201711365597 A CN 201711365597A CN 108112091 A CN108112091 A CN 108112091A
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/80—Responding to QoS
Abstract
The present invention provides a kind of method that real-time Transmission audio and video are realized by WIFI, including：Establish the wireless transfer channel at ap ends and sta ends；Start pairing, sta ends send detectable signal, and detectable signal is monitored at ap ends, and ap ends are matched with corresponding sta ends；Ap ends are responded according to the detectable signal uni-cast probe listened to, and sta ends start register flow path after probe response is received, and send registration request by sta ends, ap ends, which monitor registration request and reply registration response, completes registration；It is supported by sta ends transmitting capacity, after ap terminations receive ability support, according to self-ability, negotiates optimum capacity value, both sides are configured by optimum capacity value；Acquisition, transmission, reception and the processing operation of audio, video data are carried out by the ability set.The present invention also provides a kind of systems that real-time Transmission audio and video are realized by WIFI, realize Point-to-Point Data Transmission, carry out data processing by custom protocol negotiation information, substantially reduce the load of network bandwidth, improve efficiency of transmission.
Description
Technical field
The present invention relates to the communications field more particularly to it is a kind of by WIFI realize real-time Transmission audio and video method and be
System.
Background technology
Multimedia era, user has higher demand to the show technology and convenience of audio and video, in the prior art
In, audio and video split screen technology is typically to pass through the modes such as HDMI, VGA or DVI split screen to more display terminals, this wired split screen
Export technique has equipment interface certain requirement, and the output display unit of user not necessarily has corresponding interface, and is using
In the process, it is necessary to which input-output equipment is connected by data cable, if display device is distant, can also increase wiring into
This, it would therefore be desirable to which a kind of method can break away from the constraint of data cable and interface, the technology based on wireless transmission is completed sound and is regarded
It keeps pouring in defeated.And traditional mode that radio transmission audio-video signal is carried out by wifi modes, an ap ends (Access
Point, i.e. wireless access point) multiple sta ends (Station, i.e. website can be the terminals such as portable computer) are connected with, in sound
What is taken during transmission of video is all broadcast mode, occupies larger network bandwidth resources.
The content of the invention
One of the technical problem to be solved in the present invention is to provide a kind of side for realizing real-time Transmission audio and video by WIFI
Method carries out data processing by custom protocol negotiation information while realizing Point-to-Point Data Transmission, substantially reduces network bandwidth
Load, improve efficiency of transmission.
What one of the technical problem to be solved in the present invention was realized in：One kind realizes real-time Transmission audio and video by WIFI
Method, include the following steps：
Step 10 completes wps (Wi-Fi Protected by remote control or physical button, triggering ap ends and sta ends
Setup, Wi-Fi protection setting) connection, establish wireless transfer channel；
Step 20 starts pairing, and the sta ends send detectable signal, and detectable signal is monitored at the ap ends, and according to described
Detectable signal is matched with corresponding sta ends, and the detectable signal includes the IP address and MAC Address of sta end equipments；
Step 30 starts registration, and the ap ends are responded according to the detectable signal uni-cast probe listened to, and the sta ends exist
Start register flow path after receiving probe response, registration request is sent by the sta ends, registration request is monitored at the ap ends, and is returned
Registration is completed in multiple registration response；
Step 40 carries out capability negotiation, is supported by sta ends transmitting capacity, and the ap terminations receive the ability
After support, supported according to self-ability, negotiate optimum capacity value and reply to sta ends, both sides according to the optimum capacity value into
Row capabilities setting；
Step 50, acquisition, transmission, reception and the processing operation that audio, video data is carried out by the ability set.
Further, the sample rate of the sample rate of the ability including video, resolution ratio, frame per second and audio, port number,
Coding mode.
Further, during audio, video data transmits, real-time detection is carried out, if finding broken string situation, automatically again
Complete pairing connection.
Further, the step 50 is specially：Audio, video data is carried out by the ability consulted by data sender
Acquisition, and the data collected are encoded, compress, are packaged and sent by customized agreement, data receiver receives
After data packet, packaging is carried out by pre-defined agreement, and is decoded, shows and playback process, the data sender and
One of data receiver is sta ends, and another is ap ends.
The second technical problem to be solved by the present invention, is to provide and a kind of is by what WIFI realized real-time Transmission audio and video
System carries out data processing by custom protocol negotiation information while realizing Point-to-Point Data Transmission, substantially reduces network bandwidth
Load, improve efficiency of transmission.
What the second technical problem to be solved by the present invention was realized in：One kind realizes real-time Transmission audio and video by WIFI
System, including：
Path setup module, for passing through remote control or physical button, wps (Wi-Fi are completed in triggering ap ends with sta ends
Protected Setup, Wi-Fi protection setting) connection, establish wireless transfer channel；
Matching module is matched for starting, and the sta ends send detectable signal, and detectable signal, and root are monitored in the ap ends
It is matched according to the detectable signal with corresponding sta ends, the detectable signal is with including IP address and the MAC of sta end equipments
Location；
Registration module is registered for starting, and the ap ends are responded according to the detectable signal uni-cast probe listened to, described
Sta ends start register flow path after probe response is received, and send registration request by the sta ends, registration is monitored at the ap ends please
It asks, and replys registration response and complete registration；
Capability negotiation module for carrying out capability negotiation, supports that the ap ends are received by sta ends transmitting capacity
After being supported to the ability, supported according to self-ability, negotiate optimum capacity value and reply to sta ends, both sides according to it is described most
Canon's force value carries out capabilities setting；And
Data transmission module is grasped for carrying out the acquisition of audio, video data, transmission, reception and processing by the ability set
Make.
Further, the sample rate of the sample rate of the ability including video, resolution ratio, frame per second and audio, port number,
Coding mode.
Further, during audio, video data transmits, real-time detection is carried out, if finding broken string situation, automatically again
Complete pairing connection.
Further, the data transmission module is specially：By data sender by the ability consulted to audio and video number
According to being acquired, and the data collected are encoded, are compressed, are packaged and sent by customized agreement, data receiver
After receiving data packet, packaging is carried out by pre-defined agreement, and is decoded, shows and playback process, the data hair
One of the side of sending and data receiver are sta ends, and another is ap ends.
The invention has the advantages that：
1st, the audio, video data transmission completed based on wireless wifi, is matched by a key and connected, reduced various data cables and pull out
It inserts and waits operation, in a disguised form reduce the world's cost and financial cost of split screen display available；
2nd, device pairing auto negotiation ability handles data with optimal acquisition parameter, configured transmission and code encoding/decoding mode,
Greatly improve audio, video data transmission process efficiency；
3rd, by the negotiation of custom protocol, the point-to-point pairing connection of equipment is completed, carrying out sound using mode of unicast regards
The transmission of frequency evidence, and encoded compression of data etc., reduce the load of network bandwidth；
4th, audio, video data acquisition, transmission, processing are consulted mutual indepedent with pairing, can a variety of usage scenarios of flexible expansion,
Greatly promote user experience.
Description of the drawings
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is a kind of method execution flow chart that real-time Transmission audio and video are realized by WIFI of the present invention.
Specific embodiment
As shown in Figure 1, a kind of method that real-time Transmission audio and video are realized by WIFI of the present invention, includes the following steps：
Step 10, by remote control or physical button, triggering ap ends and sta ends are completed wps and be connecteds, establish to be wirelessly transferred and lead to
Road；
Step 20 starts pairing, and the sta ends send detectable signal, and detectable signal is monitored at the ap ends, and according to described
Detectable signal is matched with corresponding sta ends, and the detectable signal includes the IP address and MAC Address of sta end equipments；
Step 30 starts registration, and the ap ends are responded according to the detectable signal uni-cast probe listened to, and the sta ends exist
Start register flow path after receiving probe response, registration request is sent by the sta ends, registration request is monitored at the ap ends, and is returned
Registration is completed in multiple registration response；
Step 40 carries out capability negotiation, is supported by sta ends transmitting capacity, and the ap terminations receive the ability
After support, supported according to self-ability, negotiate optimum capacity value and reply to sta ends, both sides according to the optimum capacity value into
Row capabilities setting, the sample rate of the ability including video, resolution ratio, the sample rate of frame per second and audio, port number, coding staff
Formula；
Step 50, acquisition, transmission, reception and the processing operation that audio, video data is carried out by the ability set, the step
Rapid 50 are specially：Audio, video data is acquired by the ability consulted by data sender, and by the data collected by
Customized agreement is encoded, is compressed, is packaged and sent, after data receiver receives data packet, by pre-defined association
View carries out packaging, and is decoded, shows and playback process, and one of the data sender and data receiver are sta ends, separately
One is ap ends.
The present invention carries out real-time detection during audio, video data transmits, if finding broken string situation, completes again automatically
Pairing connection, to ensure normal data transmission.
A kind of system that real-time Transmission audio and video are realized by WIFI of the present invention, including：
Path setup module, for passing through remote control or physical button, triggering ap ends are completed wps with sta ends and are connected, and establish nothing
Line transmission channel；
Matching module is matched for starting, and the sta ends send detectable signal, and detectable signal, and root are monitored in the ap ends
It is matched according to the detectable signal with corresponding sta ends, the detectable signal is with including IP address and the MAC of sta end equipments
Location；
Registration module is registered for starting, and the ap ends are responded according to the detectable signal uni-cast probe listened to, described
Sta ends start register flow path after probe response is received, and send registration request by the sta ends, registration is monitored at the ap ends please
It asks, and replys registration response and complete registration；
Capability negotiation module for carrying out capability negotiation, supports that the ap ends are received by sta ends transmitting capacity
After being supported to the ability, supported according to self-ability, negotiate optimum capacity value and reply to sta ends, both sides according to it is described most
Canon force value carries out capabilities setting, and the ability includes the sample rate, logical of the sample rate of video, resolution ratio, frame per second and audio
Road number, coding mode；And
Data transmission module is grasped for carrying out the acquisition of audio, video data, transmission, reception and processing by the ability set
Make, the data transmission module is specially：Audio, video data is acquired by the ability consulted by data sender, and will
The data collected are encoded, are compressed, are packaged and sent by customized agreement, after data receiver receives data packet,
Packaging is carried out by pre-defined agreement, and is decoded, shows and playback process, the data sender and data receiver
One of for sta ends, another is ap ends.
The present invention carries out real-time detection during audio, video data transmits, if finding broken string situation, completes again automatically
Pairing connection, to ensure normal data transmission.
With reference to a specific embodiment, the present invention will be further described：
In the present invention, by the way that two equipment are completed wps connections by remote control or physical button triggering, one key of realization matches,
Wherein, an equipment is as the ap ends with wifi hotspot, and another equipment completes the foundation of wireless transfer channel as sta ends,
After establishing wireless transfer channel, point-to-point data connection is formed by matching, registering, specifically, starting pairing, the sta
End sends detectable signal, and detectable signal is monitored at the ap ends, and is matched according to the detectable signal with corresponding sta ends,
The detectable signal includes the IP address and MAC Address of sta end equipments, and the ap ends are visited according to the detectable signal unicast listened to
Survey responds to corresponding sta ends, and the sta ends send registration request to the ap ends, the ap ends after probe response is received
Registration request is monitored, in the case where currently allowing registration, just replys registration response, completion registration, so as to fulfill ap ends and sta
Point-to-point unicast transmission mode is held, the time of the plug operation of wired connection is saved, reduces the negative of wireless-transmission network bandwidth
It carries；In order to further optimize the acquisition of audio, video data, transmission and processing operation, ability association is carried out to sta ends and ap ends in advance
Business, specifically, supported by sta ends transmitting capacity (such as the maximum sample rate of the video that can support of sta end equipments,
The maximum sample rate of maximum resolution, maximum frame per second etc. and audio, largest passages number, forced coding mode etc.) give ap ends, institute
It states ap terminations to receive after the ability supports, with reference to equipment of itself ability, negotiates an optimum capacity value, reply optimum capacity
It is worth and gives sta ends, both sides carry out capabilities setting according to the optimum capacity value, so as to improve audio, video data efficiency of transmission, and
During audio, video data transmits, real-time detection is carried out, if finding broken string situation, pairing connection is completed again automatically, to ensure
Normal data transmission.
In the data exchange process at sta ends and ap ends, the optimum capacity value consulted according to both sides carries out data processing,
Specifically, audio, video data is acquired by the ability value consulted by data sender, and by the data collected by certainly
The agreement of definition is encoded, is compressed, is packaged and sent, after data receiver receives data packet, by pre-defined agreement
Packaging, decoding, display and playback process are carried out, one of the data sender and data receiver are sta ends, and another is ap
End, i.e., when described data sender is sta ends, data receiver is ap ends, when the data sender is ap ends, data receiver
Side is sta ends.The capability negotiation of the present invention and the acquisitions of audio and video, transmission, processing are opened independently of each other, can flexible expansion is a variety of makes
With scene, such as video source to be obtained etc. can be switched at any time as needed, greatly promote user experience.
Although specific embodiments of the present invention have been described above, those familiar with the art should manage
Solution, our described specific embodiments are merely exemplary rather than for the restriction to the scope of the present invention, are familiar with this
The equivalent modification and variation that the technical staff in field is made in the spirit according to the present invention, should all cover the present invention's
In scope of the claimed protection.
Claims (8)
- A kind of 1. method that real-time Transmission audio and video are realized by WIFI, it is characterised in that：Include the following steps：Step 10, by remote control or physical button, triggering ap ends and sta ends completion wps are connected, and establish wireless transfer channel；Step 20 starts pairing, and the sta ends send detectable signal, and detectable signal is monitored at the ap ends, and according to the detection Signal is matched with corresponding sta ends, and the detectable signal includes the IP address and MAC Address of sta end equipments；Step 30 starts registration, and the ap ends are responded according to the detectable signal uni-cast probe listened to, and the sta ends are receiving Start register flow path after probe response, registration request is sent by the sta ends, registration request is monitored at the ap ends, and replys note Registration is completed in volume response；Step 40 carries out capability negotiation, is supported by sta ends transmitting capacity, and the ap terminations receive the ability and support Afterwards, supported according to self-ability, negotiate optimum capacity value and reply to sta ends, both sides carry out energy according to the optimum capacity value Power is set；Step 50, acquisition, transmission, reception and the processing operation that audio, video data is carried out by the ability set.
- 2. a kind of method that real-time Transmission audio and video are realized by WIFI according to claim 1, it is characterised in that：It is described The sample rate of ability including video, resolution ratio, sample rate, port number, the coding mode of frame per second and audio.
- 3. a kind of method that real-time Transmission audio and video are realized by WIFI according to claim 1, it is characterised in that：In sound During video data transmits, real-time detection is carried out, if finding broken string situation, completes pairing connection again automatically.
- 4. a kind of method that real-time Transmission audio and video are realized by WIFI according to claim 1, it is characterised in that：It is described Step 50 is specially：Audio, video data is acquired by the ability consulted by data sender, and the data that will be collected It encoded, compressed, be packaged and sent by customized agreement, after data receiver receives data packet, by pre-defined Agreement carries out packaging, and is decoded, shows and playback process, and one of the data sender and data receiver are sta ends, Another is ap ends.
- 5. a kind of system that real-time Transmission audio and video are realized by WIFI, it is characterised in that：Including：Path setup module, for passing through remote control or physical button, triggering ap ends are completed wps with sta ends and are connected, and establish wireless pass Defeated passage；Matching module is matched for starting, and the sta ends send detectable signal, and detectable signal is monitored at the ap ends, and according to institute It states detectable signal to be matched with corresponding sta ends, the detectable signal includes the IP address and MAC Address of sta end equipments；Registration module is registered for starting, and the ap ends are responded according to the detectable signal uni-cast probe listened to, the sta ends Starting register flow path after probe response is received, registration request is sent by the sta ends, registration request is monitored at the ap ends, and It replys registration response and completes registration；Capability negotiation module for carrying out capability negotiation, supports that the ap terminations receive institute by sta ends transmitting capacity After stating ability support, supported according to self-ability, negotiate optimum capacity value and reply to sta ends, both sides are according to the most Canon Force value carries out capabilities setting；AndData transmission module, for carrying out acquisition, transmission, reception and the processing operation of audio, video data by the ability set.
- 6. a kind of system that real-time Transmission audio and video are realized by WIFI according to claim 5, it is characterised in that：It is described The sample rate of ability including video, resolution ratio, sample rate, port number, the coding mode of frame per second and audio.
- 7. a kind of system that real-time Transmission audio and video are realized by WIFI according to claim 5, it is characterised in that：In sound During video data transmits, real-time detection is carried out, if finding broken string situation, completes pairing connection again automatically.
- 8. a kind of system that real-time Transmission audio and video are realized by WIFI according to claim 5, it is characterised in that：It is described Data transmission module is specially：Audio, video data is acquired by the ability consulted by data sender, and will be collected Data encoded, compressed, be packaged and sent by customized agreement, after data receiver receives data packet, by advance The agreement of definition carries out packaging, and is decoded, shows and playback process, one of the data sender and data receiver are Sta ends, another is ap ends.
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| CN201711365597.XA CN108112091A (en) | 2017-12-18 | 2017-12-18 | A kind of method and system that real-time Transmission audio and video are realized by WIFI |
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| CN201711365597.XA CN108112091A (en) | 2017-12-18 | 2017-12-18 | A kind of method and system that real-time Transmission audio and video are realized by WIFI |
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| CN108965994A (en) * | 2018-08-06 | 2018-12-07 | 深圳市瑞科慧联科技有限公司 | A kind of digital video transmission method and system |
| CN112822517A (en) * | 2021-01-08 | 2021-05-18 | 西安万像电子科技有限公司 | Resolution adaptation method and device and nonvolatile storage medium |
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