CN110072155A - The monitoring method and system of audio-video signal - Google Patents
The monitoring method and system of audio-video signal Download PDFInfo
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- CN110072155A CN110072155A CN201811466944.2A CN201811466944A CN110072155A CN 110072155 A CN110072155 A CN 110072155A CN 201811466944 A CN201811466944 A CN 201811466944A CN 110072155 A CN110072155 A CN 110072155A
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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
- H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
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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
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
-
- 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
- H04N21/64—Addressing
- H04N21/6405—Multicasting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/22—Adaptations for optical transmission
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Databases & Information Systems (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The embodiment of the invention provides a kind of monitoring method and system of audio-video signal, are related to television broadcasting technical field.Wherein method includes: to receive multiple SDI real-time audio and video signals based on multicast ip address, obtains multiple first audio-video signals；The multiple first audio-video signal is encoded and compresses and is encapsulated as multiple compressed data packets；The real-time audio and video stream of the multiple compressed data packets is provided using stream media protocol；HTTP preview address is generated according to multicast ip address；And the real-time audio and video stream of the multiple compressed data packets is accessed according to HTTP preview address.The monitoring method of audio-video signal according to embodiments of the present invention, multiple real-time audio and video streams subscribed to client and access the multiple compressed data packets according to HTTP preview address, the reliability for monitoring the audio-video signal is improved, the probability that audio-video signal broadcasts accident is reduced.
Description
Technical field
The present invention relates to television broadcasting technical fields, and in particular to the monitoring method and system of audio-video signal.
Background technique
With the development of broadcast television service, the development of the expansion of new media and high-definition network record and broadcast, the Digital Television Station
It is stream broadcast system that system, which broadcasts (SDI) System Development by traditional serial line interface,.Realize the productions of TV programme, production,
The digitlization and networking broadcasted and stored.
In the prior art, it being broadcasted in (SDI) system in traditional serial line interface, audio-video signal passes through SDI cable transmission,
Every cable only transmits an audio/video program signal simultaneously.Technical staff supervises every road with SDI monitor by wire jumper row
The operating condition of signal.However, the audio-video signal due to SDI format becomes IP signal (i.e. SDI over IP letter by coding
Number) after, subsequent equipment is transferred to by optical fiber.Every optical fiber transmission is no more than the multichannel SDI audio-video signal of optical fiber total bandwidth.
The operating condition that every road signal is supervised with the means of the routine such as SDI monitor and experience is arranged using process wire jumper, obvious nothing
The various brodasting breakups that method guarantees that the not timing of convection current broadcast system occurs are excluded in time, and audio-video letter occurs to increase
Number broadcast accident probability.
Summary of the invention
In view of this, receiving multiple bases the embodiment of the invention provides a kind of monitoring method and system of audio-video signal
In the SDI real-time audio and video signal of multicast ip address, multiple first audio-video signals are obtained；The multiple first audio-video is believed
Number coding compress and be encapsulated as multiple compressed data packets；The real-time of the multiple compressed data packets is provided using stream media protocol
Audio/video flow；HTTP preview address is generated according to multicast ip address；And the multiple compression is accessed according to HTTP preview address
The real-time audio and video stream of data packet reduces audio-video signal and broadcasts accident to improve the reliability for monitoring the audio-video signal
Probability.
According to an aspect of the present invention, a kind of monitoring method of audio-video signal is provided, comprising: receive multiple based on group
The SDI real-time audio and video signal for broadcasting IP address, obtains multiple first audio-video signals；The multiple first audio-video signal is compiled
Code compresses and is encapsulated as multiple compressed data packets；The real-time sound view of the multiple compressed data packets is provided using stream media protocol
Frequency flows；HTTP preview address is generated according to multicast ip address；And the multiple compressed data is accessed according to HTTP preview address
The real-time audio and video stream of packet.
Preferably, the real-time audio and video stream supports HTML5 agreement.
Preferably, the real-time audio and video stream is accessed by the way of subscription.
Preferably, multiple compressed data packets are compressed and be encapsulated as to described encode the multiple first audio-video signal,
It include: that buffer queue is added in the multiple first audio-video signal.
Preferably, multiple compressed data packets are compressed and be encapsulated as to described encode the multiple first audio-video signal,
Further include: according to HTTP preview request, the multiple first audio-video signal is extracted from the buffer queue；Based on described more
The sdi signal format of a first audio-video signal Odd and even field scan rule, respectively to the multiple first audio-video signal into
Row field matches reciprocal cross fault reason, obtains multiple second audio-video signals.
Preferably, multiple compressed data packets are compressed and be encapsulated as to described encode the multiple first audio-video signal,
Further include: according to preset resolution ratio and compression quality parameter, respectively H.264 the multiple second audio-video signal is encoded to
Video code model obtains multiple third audio-video signals；Respectively the multiple third audio-video signal is encapsulated as disappearing in real time
Cease multiple compressed data packets of transport protocol (RTMP) format.
Preferably, described to provide the real-time audio and video stream of the multiple compressed data packets using stream media protocol, comprising: base
In RTMP stream media protocol, the multiple compressed data packets are transferred to streaming media service, obtain corresponding multiple real-time streams matchmakers
Body；By the multiple compressed data packets, multiple real time flow mediums are converted to the real-time sound that HTML5 stream media protocol is supported accordingly
Video flowing.
It preferably, include the multicast of the multiple first audio-video signal to be supervised in the HTTP preview request
IP address.
Preferably, the monitoring method of the audio-video signal, further includes: send HTTP preview request.
According to another aspect of the present invention, a kind of monitoring system of audio-video signal is provided, comprising: interchanger, for connecing
Multiple SDI real-time audio and video signals based on multicast ip address are received, multiple first audio-video signals are obtained；Server, via light
Fibre is connect with interchanger；Wherein, the server includes: video server, for compiling the multiple first audio-video signal
Code compresses and is encapsulated as multiple compressed data packets；Streaming media server, for providing the multiple pressure using stream media protocol
The real-time audio and video stream of contracting data packet；And HTTP preview address is generated according to multicast ip address；Multiple subscription clients, are used for
The real-time audio and video stream of the multiple compressed data packets is accessed according to HTTP preview address.
Preferably, the multiple subscription client, is also used to send HTTP preview request.
Preferably, the server and the multiple interface subscribed between client are declarative state transmitting (REST)
Request interface.
Preferably, it is pre- to receive the multiple HTTP for subscribing to client for described declarative state transmitting (REST) request interface
It lookes at and request and returns to HTTP preview address to the multiple subscription client.
It is preferably based on the interchanger, the server and the multiple subscription client and establishes the multiple first
The treatment channel of audio-video signal.
Preferably, the processing parameter of the treatment channel includes: the group of the multiple first audio-video signal to be supervised
Broadcast IP address, the resolution ratio and the compression quality parameter.
According to another aspect of the invention, a kind of computer readable storage medium, the computer-readable storage medium are provided
Matter is stored with computer instruction, and the computer instruction is performed the monitoring method for realizing audio-video signal as described above.
One embodiment of the present of invention have the following advantages that or the utility model has the advantages that
It receives multiple SDI real-time audio and video signals based on multicast ip address and is encoded and compress and be encapsulated as multiple
Compressed data packets；The real-time audio and video stream of the multiple compressed data packets is provided using stream media protocol；According to multicast ip address
Generate HTTP preview address；The real-time audio and video stream of the multiple compressed data packets is accessed according to HTTP preview address.It is multiple to order
The real-time audio and video stream that client accesses the multiple compressed data packets according to HTTP preview address is read, the monitoring sound is improved
The reliability of vision signal reduces the probability that audio-video signal broadcasts accident.
One embodiment of the present of invention have the following advantages that or the utility model has the advantages that
Buffer queue is added in the multiple first audio-video signal.According to HTTP preview request, from the buffer queue
It is middle to extract the multiple first audio-video signal.To the multiple first audio-video signal of extraction carry out reciprocal cross fault reason,
H.264 coding compresses and is encapsulated as multiple compressed data packets of real-time messages transport protocol (RTMP) format.Matchmaker is flowed based on RTMP
The multiple compressed data packets are transferred to streaming media service by body agreement, obtain corresponding multiple real time flow mediums；It will be described more
Multiple real time flow mediums are converted to the real-time audio and video stream that HTML5 stream media protocol is supported to a compressed data packets accordingly.According to
Multicast ip address generates HTTP preview address.The real-time audio and video of the multiple compressed data packets is accessed according to HTTP preview address
Stream.According to the multiple real-time audio and video stream of supervision of HTTP preview address selectivity, to improve the monitoring audio-video
The efficiency of signal.
Detailed description of the invention
Description by referring to the following drawings to the embodiment of the present invention, the above and other purposes of the present invention, feature and
Advantage will be apparent from, in the accompanying drawings:
Fig. 1 shows the flow diagram of the monitoring method of the audio-video signal of one embodiment of the present of invention.
Fig. 2 shows the flow diagrams of the monitoring method of the audio-video signal of one embodiment of the present of invention.
Fig. 3 shows the structural schematic diagram of the monitoring system of the audio-video signal of one embodiment of the present of invention.
Specific embodiment
Below based on embodiment, present invention is described, but the present invention is not restricted to these embodiments.Under
Text is detailed to describe some specific detail sections in datail description of the invention.Do not have for a person skilled in the art
The present invention can also be understood completely in the description of these detail sections.In order to avoid obscuring essence of the invention, well known method, mistake
Journey, process do not describe in detail.In addition attached drawing is not necessarily drawn to scale.
Fig. 1 is the flow diagram of the monitoring method of the audio-video signal of one embodiment of the present of invention, specifically include with
Lower step.
In step s101, multiple SDI real-time audio and video signals based on multicast ip address are received, multiple first sounds are obtained
Vision signal.
In step s 102, the multiple first audio-video signal is encoded and compresses and is encapsulated as multiple compressed datas
Packet.
In step s 103, the real-time audio and video stream of the multiple compressed data packets is provided using stream media protocol.
In step S104, HTTP preview address is generated according to multicast ip address.
In step s105, the real-time audio and video stream of the multiple compressed data packets is accessed according to HTTP preview address.
In one embodiment of the present of invention, firstly, multiple SDI real-time audio and video signals based on multicast ip address are received,
Obtain multiple first audio-video signals.Then, the multiple first audio-video signal is encoded and compresses and is encapsulated as multiple pressures
Contracting data packet.Secondly, providing the real-time audio and video stream of the multiple compressed data packets using stream media protocol.Again, according to group
It broadcasts IP address and generates HTTP preview address.Finally, accessing the real-time sound of the multiple compressed data packets according to HTTP preview address
Video flowing.
According to embodiments of the present invention, multiple SDI real-time audio and video signals based on multicast ip address are received and are encoded
It compresses and is encapsulated as multiple compressed data packets；The real-time audio and video of the multiple compressed data packets is provided using stream media protocol
Stream；HTTP preview address is generated according to multicast ip address；The reality of the multiple compressed data packets is accessed according to HTTP preview address
When audio/video flow.Multiple real-time audio and videos subscribed to client and access the multiple compressed data packets according to HTTP preview address
Stream, improves the reliability for monitoring the audio-video signal, reduces the probability that audio-video signal broadcasts accident.
Fig. 2 is the flow diagram of the monitoring method of the audio-video signal of one embodiment of the present of invention, specific steps packet
It includes:
In step s 201, multiple SDI real-time audio and video signals based on multicast ip address are received, multiple first sounds are obtained
Vision signal.
In step S202, buffer queue is added in the multiple first audio-video signal.
In step S203, according to HTTP preview request, the multiple first audio-video is extracted from the buffer queue
Signal；The Odd and even field scan rule of sdi signal format based on the multiple first audio-video signal, respectively to the multiple the
One audio-video signal carries out field matching reciprocal cross fault reason, obtains multiple second audio-video signals.
In step S204, according to preset resolution ratio and compression quality parameter, respectively by the multiple second audio-video
Signal coding is H.264 video code model, obtains multiple third audio-video signals；The multiple third audio-video is believed respectively
Number it is encapsulated as multiple compressed data packets of real-time messages transport protocol (RTMP) format.
In step S205, it is based on RTMP stream media protocol, the multiple compressed data packets are transferred to streaming media service,
Obtain corresponding multiple real time flow mediums；By the multiple compressed data packets, multiple real time flow mediums are converted to HTML5 accordingly
The real-time audio and video stream that stream media protocol is supported.
In step S206, HTTP preview address is generated according to multicast ip address.
In step S207, the real-time audio and video stream of the multiple compressed data packets is accessed according to HTTP preview address.
In one embodiment of the invention, firstly, receiving multiple SDI real-time audio and video letters based on multicast ip address
Number, obtain multiple first audio-video signals.Then, buffer queue is added in the multiple first audio-video signal.Secondly, according to
HTTP preview request extracts the multiple first audio-video signal from the buffer queue；It is regarded based on the multiple first sound
It is anti-to carry out field matching to the multiple first audio-video signal respectively for the Odd and even field scan rule of the sdi signal format of frequency signal
It staggeredly handles, obtains multiple second audio-video signals.Again, according to preset resolution ratio and compression quality parameter, respectively by institute
It states multiple second audio-video signals and is encoded to H.264 video code model, obtain multiple third audio-video signals；It respectively will be described
Multiple third audio-video signals are encapsulated as multiple compressed data packets of real-time messages transport protocol (RTMP) format.Again, it is based on
The multiple compressed data packets are transferred to streaming media service by RTMP stream media protocol, obtain corresponding multiple real time flow mediums；
By the multiple compressed data packets, multiple real time flow mediums are converted to the real-time audio and video that HTML5 stream media protocol is supported accordingly
Stream.Again, HTTP preview address is generated according to multicast ip address.Finally, accessing the multiple compression according to HTTP preview address
The real-time audio and video stream of data packet.
According to embodiments of the present invention, buffer queue is added in the multiple first audio-video signal.It is asked according to HTTP preview
It asks, the multiple first audio-video signal is extracted from the buffer queue.To the multiple first audio-video signal of extraction
It carries out reciprocal cross fault reason, H.264 coding compression and is encapsulated as multiple compressed datas of real-time messages transport protocol (RTMP) format
Packet.Based on RTMP stream media protocol, the multiple compressed data packets are transferred to streaming media service, are obtained corresponding multiple real-time
Streaming Media；By the multiple compressed data packets, multiple real time flow mediums are converted to the reality that HTML5 stream media protocol is supported accordingly
When audio/video flow.HTTP preview address is generated according to multicast ip address.The multiple compression number is accessed according to HTTP preview address
According to the real-time audio and video stream of packet.According to the multiple real-time audio and video stream of supervision of HTTP preview address selectivity, to improve
The efficiency of the monitoring audio-video signal.
In an optional embodiment of the present invention, the monitoring method of the audio-video signal, further includes: send
HTTP preview request.Firstly, sending HTTP preview request.Then, multiple SDI real-time audio and videos based on multicast ip address are received
Signal obtains multiple first audio-video signals.Secondly, buffer queue is added in the multiple first audio-video signal.Again, root
According to HTTP preview request, the multiple first audio-video signal is extracted from the buffer queue；Based on the multiple first sound
The Odd and even field scan rule of the sdi signal format of vision signal, carries out field matching to the multiple first audio-video signal respectively
Reciprocal cross fault reason, obtains multiple second audio-video signals.Again, according to preset resolution ratio and compression quality parameter, respectively will
The multiple second audio-video signal is encoded to H.264 video code model, obtains multiple third audio-video signals；Respectively by institute
State multiple compressed data packets that multiple third audio-video signals are encapsulated as real-time messages transport protocol (RTMP) format.Again, base
In RTMP stream media protocol, the multiple compressed data packets are transferred to streaming media service, obtain corresponding multiple real-time streams matchmakers
Body；By the multiple compressed data packets, multiple real time flow mediums are converted to the real-time sound that HTML5 stream media protocol is supported accordingly
Video flowing.Again, HTTP preview address is generated according to multicast ip address.Finally, being accessed according to HTTP preview address the multiple
The real-time audio and video stream of compressed data packets.
In an optional embodiment of the present invention, the real-time audio and video stream supports HTML5 agreement.
In an optional embodiment of the present invention, the real-time audio and video stream is accessed by the way of subscription.
It include to be supervised the multiple in an optional embodiment of the present invention, in the HTTP preview request
The multicast ip address of one audio-video signal.
In an optional embodiment of the present invention, the multiple first audio-video signal is multiple yuv datas,
In, the yuv data is to encode obtained data by colour coding method (YUV).
In one embodiment, described that buffer queue is added in the multiple first audio-video signal, being will be from High Speed I/O
Block received multiple SDI real-time audio and video signals based on multicast ip address, is added to and receives in buffer queue, a base
In multicast ip address SDI real-time audio and video signal cache size be 2 frames.
Fig. 3 is the structural schematic diagram of the monitoring system of the audio-video signal of one embodiment of the present of invention.As shown in figure 3,
The device 30 includes: interchanger 310, server 320 and multiple subscription clients 330.Wherein, server 320 includes: video clothes
Business device 321, streaming media server 322.
Interchanger 310 obtains multiple first for receiving multiple SDI real-time audio and video signals based on multicast ip address
Audio-video signal.
Server 320 is connect via optical fiber with interchanger；Wherein, the server 320 includes:
Video server 321, for the multiple first audio-video signal to be encoded compression and is encapsulated as multiple compressions
Data packet.
Streaming media server 322, for providing the real-time audio and video of the multiple compressed data packets using stream media protocol
Stream；And HTTP preview address is generated according to multicast ip address.
Multiple subscription clients 330, for accessing the real-time sound of the multiple compressed data packets according to HTTP preview address
Video flowing.
In an optional embodiment of the present invention, multiple subscription clients 330 are also used to send HTTP preview and ask
It asks.
In an optional embodiment of the present invention, server 320 and multiple interfaces subscribed between client 330 are
Declarative state transmits (REST) request interface.
In an optional embodiment of the present invention, declarative state transmitting (REST) request interface receives multiple
It subscribes to the HTTP preview request of client 330 and returns to HTTP preview address to multiple subscription clients 330.
In an optional embodiment of the present invention, it is based on interchanger 310, server 320 and multiple subscription clients
330 establish the treatment channel of the multiple first audio-video signal.In one embodiment, interchanger 310 carries the multiple
SDI real-time audio and video signal based on multicast ip address, by optical fiber by the multiple real-time sound of the SDI based on multicast ip address
Video signal transmission is to server 320.It is equipped on server 320 and SDI over is received by User Datagram Protocol (UDP)
The software of IP signal, also, the Odd and even field scan rule of the sdi signal format based on the multiple first audio-video signal, point
It is other that matching reciprocal cross fault reason in field is carried out to the multiple first audio-video signal, obtain multiple second audio-video signals.According to pre-
The resolution ratio and compression quality parameter set, are encoded to H.264 video code model for the multiple second audio-video signal respectively,
Obtain multiple third audio-video signals；The multiple third audio-video signal is encapsulated as real-time messages transport protocol respectively
(RTMP) multiple compressed data packets of format.Based on RTMP stream media protocol, the multiple compressed data packets are transferred to stream matchmaker
Body service obtains corresponding multiple real time flow mediums.By the multiple real time flow medium conversions accordingly of the multiple compressed data packets
The real-time audio and video stream supported for HTML5 stream media protocol.HTTP preview address is generated according to multicast ip address.Multiple subscription visitors
Family end 330 accesses the real-time audio and video stream of the multiple compressed data packets according to HTTP preview address.In one embodiment, institute
State the signal that SDI over IP signal specifically refers to SMPTE 2022-6, SMPTE2110 format.
In an optional embodiment of the present invention, the processing parameter of the treatment channel include: it is to be supervised described in
Multicast ip address, the resolution ratio and the compression quality parameter of multiple first audio-video signals.
Flow chart, block diagram in attached drawing illustrate the possible system frame of the system of the embodiment of the present invention, method, apparatus
Frame, function and operation, the box on flow chart and block diagram can represent a module, program segment or only one section of code, institute
State module, program segment and code all and be the executable instruction for realizing regulation logic function.It should also be noted that the realization rule
The executable instruction for determining logic function can reconfigure, to generate new module and program segment.Therefore attached drawing box with
And box sequence is used only to the process and step of better illustrated embodiment, without should be in this, as to inventing limit itself
System.
The foregoing is merely some embodiments of the present invention, are not intended to restrict the invention, for those skilled in the art
For, the invention can have various changes and changes.All any modifications made within the spirit and principles of the present invention are equal
Replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (16)
1. a kind of monitoring method of audio-video signal characterized by comprising
Multiple SDI real-time audio and video signals based on multicast ip address are received, multiple first audio-video signals are obtained；
The multiple first audio-video signal is encoded and compresses and is encapsulated as multiple compressed data packets；
The real-time audio and video stream of the multiple compressed data packets is provided using stream media protocol；
HTTP preview address is generated according to multicast ip address；And
The real-time audio and video stream of the multiple compressed data packets is accessed according to HTTP preview address.
2. the monitoring method of audio-video signal according to claim 1, which is characterized in that the real-time audio and video stream is supported
HTML5 agreement.
3. the monitoring method of audio-video signal according to claim 1, which is characterized in that access institute by the way of subscribing to
State real-time audio and video stream.
4. the monitoring method of audio-video signal according to claim 1, which is characterized in that described by the multiple first sound
Vision signal coding compresses and is encapsulated as multiple compressed data packets, comprising: the multiple first audio-video signal is added slow
Deposit queue.
5. the monitoring method of audio-video signal according to claim 4, which is characterized in that described by the multiple first sound
Vision signal coding compresses and is encapsulated as multiple compressed data packets, further includes: according to HTTP preview request, from the caching team
The multiple first audio-video signal is extracted in column；
The Odd and even field scan rule of sdi signal format based on the multiple first audio-video signal, respectively to the multiple the
One audio-video signal carries out field matching reciprocal cross fault reason, obtains multiple second audio-video signals.
6. the monitoring method of audio-video signal according to claim 5, which is characterized in that described by the multiple first sound
Vision signal coding compresses and is encapsulated as multiple compressed data packets, further includes: joins according to preset resolution ratio and compression quality
Number, is encoded to H.264 video code model for the multiple second audio-video signal respectively, obtains multiple third audio-video letters
Number；
The multiple third audio-video signal is encapsulated as to multiple compression numbers of real-time messages transport protocol (RTMP) format respectively
According to packet.
7. the monitoring method of audio-video signal according to claim 6, which is characterized in that described to be mentioned using stream media protocol
For the real-time audio and video stream of the multiple compressed data packets, comprising:
Based on RTMP stream media protocol, the multiple compressed data packets are transferred to streaming media service, obtain corresponding multiple realities
When Streaming Media；
By the multiple compressed data packets, multiple real time flow mediums are converted to the real-time sound that HTML5 stream media protocol is supported accordingly
Video flowing.
8. the monitoring method of audio-video signal according to claim 7, which is characterized in that
It include the multicast ip address of the multiple first audio-video signal to be supervised in the HTTP preview request.
9. the monitoring method of audio-video signal according to claim 8, which is characterized in that further include: send HTTP preview
Request.
10. a kind of monitoring system of audio-video signal characterized by comprising
Interchanger obtains multiple first audio-video letters for receiving multiple SDI real-time audio and video signals based on multicast ip address
Number；
Server is connect via optical fiber with interchanger；Wherein, the server includes:
Video server, for the multiple first audio-video signal to be encoded compression and is encapsulated as multiple compressed data packets；
Streaming media server, for providing the real-time audio and video stream of the multiple compressed data packets using stream media protocol；And
HTTP preview address is generated according to multicast ip address；
Multiple subscription clients, for accessing the real-time audio and video stream of the multiple compressed data packets according to HTTP preview address.
11. the monitoring system of audio-video signal according to claim 10, which is characterized in that the multiple subscription client
End, is also used to send HTTP preview request.
12. the monitoring system of audio-video signal according to claim 11, which is characterized in that the server and described more
Interface between a subscription client is declarative state transmitting (REST) request interface.
13. the monitoring system of audio-video signal according to claim 12, which is characterized in that the declarative state transmitting
(REST) request interface receives the multiple HTTP preview request for subscribing to client and returns to HTTP preview address to described
Multiple subscription clients.
14. the monitoring system of audio-video signal according to claim 13, which is characterized in that be based on the interchanger, institute
State server and the multiple treatment channel subscribed to client and establish the multiple first audio-video signal.
15. the monitoring method of audio-video signal according to claim 14, which is characterized in that the processing of the treatment channel
Parameter includes: multicast ip address, the resolution ratio and the compression quality of the multiple first audio-video signal to be supervised
Parameter.
16. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer to refer to
It enables, the computer instruction is performed the monitoring side for realizing audio-video signal as claimed in any one of claims 1-9 wherein
Method.
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