CN107484037A - A kind of method and system for realizing radio reception device control video flowing - Google Patents
A kind of method and system for realizing radio reception device control video flowing Download PDFInfo
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- CN107484037A CN107484037A CN201710864410.4A CN201710864410A CN107484037A CN 107484037 A CN107484037 A CN 107484037A CN 201710864410 A CN201710864410 A CN 201710864410A CN 107484037 A CN107484037 A CN 107484037A
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- multicast
- terminal
- video flowing
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- reception device
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Classifications
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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
- H04N21/64—Addressing
- H04N21/6405—Multicasting
-
- 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
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/611—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for multicast or broadcast
-
- 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
- H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
- H04N21/64784—Data processing by the network
- H04N21/64792—Controlling the complexity of the content stream, e.g. by dropping packets
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of method and system for realizing radio reception device control video flowing, the method comprising the steps of：S1. the IGMP packet that receiving terminal is sent；S2. according to the multicast source address information, judge whether the multicast source is allowed to multicast, if so, performing next step；S3. judge whether the current multicast number of terminals of the multicast source is less than maximum multi-cast terminal number, if so, performing next step；S4. judge whether the port is existing, if being not present, create the corresponding table of multicast source and port, and record port information.The forwarding performance that the embodiment of the present invention can be supported in itself according to radio reception device limits video flowing, ensures that terminal video plays fluency；In addition, video flowing is limited by ebtables rules, it is not necessary to dependent on switch chips support and kernel setup interface need not be increased, configurability enhancing.
Description
Technical field
The present invention relates to video flowing control technology field, more particularly to a kind of radio reception device control video flowing realized
Method and system.
Background technology
With the development of Internet technology and intelligent mobile terminal equipment, various internet products are to the working of people, raw
It is living to bring many convenient and amusement, because existing wireless WiFi communication system can only typically accommodate regarding for limited user simultaneously
Frequency data transfer, therefore during data are transmitted, the problem of multi-user's competitive channel often be present so that it can not meet more
The transmission of user's HD video data flow.In the case of mass consumption demand is growing, this can not meet that multi-user is more at all
Program simultaneous transmission and the demand for playing HD video.
" based on WiFi modes broadcast transmission and transmission more piece as disclosed in Publication No. CN106534897A patent document
The method and apparatus of mesh video flowing ", the disclosure of the invention are a kind of based on WiFi modes broadcast transmission and transmission Polymera video flowing
Method and apparatus, first, in multi-media network synthesis processor, video data stream carry out error correction, mark, adaptive grouping and
After the processing such as intertexture, according to 802.11 frame format encapsulation of data stream.Packaged packet with broadcast transmitting side formula by having
The destination address of pass determines, and the address is directed to the broadcast address of subnet.Finally, in the address of broadcast and port to broadcast
Mode sends video Polymera IP packet data streams.So, substantial amounts of general subscriber terminal APP can receive transmits from Broadcast Port
The video data come.
" pushing video streaming control method, device and video as disclosed in Publication No. CN107027045A patent document
Conductance broadcasts end ", the invention is related to net cast field, and in particular to a kind of pushing video streaming control method, device and video flowing
Instructor in broadcasting end, this method comprise the following steps：The Intranet that push end is sent to the LAN plug-flow address that instructor in broadcasting end configures is received to regard
Frequency flows, wherein, the instructor in broadcasting end is in same LAN with push end；Outer net video flowing is produced according to the Intranet video flowing；
The outer net video flowing is sent to instructor in broadcasting's server by public network, the outer net video flowing is sent out by instructor in broadcasting's server
Deliver to live platform.
It is to realize that video flowing side forwards according to multicast forward table mostly, eventually when controlling video flowing in prior art
The limitation at end is placed on each upper limitation of eating dishes without rice or wine, basic flow sheet as shown in figure 5, the function be divided into two parts limitation, one
Divide and be placed on kernel multicast learning table, a part is that end message is recorded in SDK, and such scheme is realized in kernel, and shortcoming is such as
Under：(1) existing function does not support the control of multicast source quantity and multicast address, and the control to multicast source needs to increase kernel interface,
The stability of a system may be destroyed.(2) multicast turn unicast number limitation only eated dishes without rice or wine at one on effectively, do not accomplish global limit
System.
The content of the invention
The embodiment of the present invention proposes a kind of method and system for realizing radio reception device control video flowing.
On the one hand, the embodiment of the present invention proposes a kind of method for realizing radio reception device control video flowing, this method bag
Include step：
S1. the IGMP packet that receiving terminal is sent, the packet include：The port information of terminal
With the multicast source address information of video flowing；
S2. according to the multicast source address information, judge whether the multicast source is allowed to multicast, if so, performing next
Step；
S3. judge whether the current multicast number of terminals of the multicast source is less than maximum multi-cast terminal number, if so, performing next
Step；
S4. judge whether port is existing, if being not present, create the corresponding table of multicast source and port, and record port
Information.
Further, also include before step S2：According to the MAC Address of terminal, the IGMP is judged
Whether packet is packet that terminal is sent by outer net；
If so, then abandon the IGMP packet of terminal transmission；
Otherwise, then step S2 is performed.
Further, in step S2, if the multicast source is not allowed to multicast, the Internet group of terminal transmission is abandoned
Management agreement packet.
Further, in step S3, if the current multicast number of terminals of the multicast source has reached maximum multi-cast terminal number,
Abandon the IGMP packet of terminal transmission.
Further, in step S4, if port is existing, the port information is updated.
On the other hand, the embodiment of the present invention proposes a kind of system for realizing radio reception device control video flowing, the system
Including：
Receiving module, the IGMP packet sent for receiving terminal, the packet include：Terminal
Port information and video flowing multicast source address information；
First judge module, for according to the multicast source address information, judging whether the multicast source is allowed to multicast；
Second judge module, for judging whether the current multicast number of terminals of the multicast source is less than maximum multi-cast terminal
Number；
3rd judge module, for judging whether port is existing.
Further, in addition to：
4th judge module, for the MAC Address according to terminal, whether judge the IGMP packet
The packet sent for terminal by outer network interface.
Further, in addition to：
Discard module, for being the packet that terminal is sent by outer network interface when the IGMP packet
When, abandon the IGMP packet that the terminal is sent；
Or when the multicast source is not allowed to multicast, abandon the IGMP data of terminal transmission
Bag；
Or when the current multicast number of terminals of the multicast source has reached maximum multi-cast terminal number, abandon terminal hair
The IGMP packet sent.
Further, in addition to：
Creation module, for when port is not present, creating the corresponding table of multicast source and port, and record port information.
Further, in addition to：
Update module, for when port is existing, updating the port information.
The embodiment of the present invention proposes a kind of method and system for realizing radio reception device control video flowing, according to wirelessly connecing
Enter forwarding performance that equipment can support in itself to limit video flowing, ensure that terminal video plays fluency；In addition, pass through
Ebtables rules limit video flowing, it is not necessary to dependent on switch chips support and need not increase kernel setup and connect
Mouthful, configurability enhancing.
Brief description of the drawings
Fig. 1 is a kind of method flow diagram for realizing radio reception device control video flowing in the embodiment of the present invention one；
Fig. 2 is that radio reception device limits video flowing flow chart in the embodiment of the present invention one；
Fig. 3 is internal data structure relation in the embodiment of the present invention one；
Fig. 4 is a kind of system construction drawing for realizing radio reception device control video flowing in the embodiment of the present invention two；
Fig. 5 limits flow chart for terminal in the prior art.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described,
But the present invention is not limited to these embodiments.
It should be noted that the term used in embodiments of the present invention is only merely for the mesh of description specific embodiment
, and it is not intended to be limiting the present invention.
" one kind ", " described " and "the" of singulative used in the embodiment of the present invention and appended claims
It is also intended to including most forms, unless context clearly shows that other implications.
In addition, term " first ", " second " and " the 3rd " in description and claims of this specification and accompanying drawing etc.
It is to be used to distinguish different objects, rather than for describing particular order.For example, term the may be used in embodiments of the present invention
First, second, third, the fourth class distinguish judge module, but these judge modules should not necessarily be limited by these terms.For example, do not taking off
In the case of from range of embodiment of the invention, the first judge module can also be referred to as the 5th judge module, and similarly, second sentences
Disconnected module can also be referred to as the 6th judge module；3rd judge module can also be referred to as the 7th judge module；4th judges
Module can also be referred to as the 8th judge module.These terms are only used for these functional units being distinguished from each other out.
In addition, term " comprising " and " having " and their any deformations, it is intended that cover non-exclusive include.Such as
Contain the step of process, method, system, product or the equipment of series of steps or unit is not limited to list or list
Member, but alternatively also including the step of not listing or unit, or alternatively also include for these processes, method, product
Or the intrinsic other steps of equipment or unit.
In addition, depend on linguistic context, word as used in this " when ... " can be construed to " ... when "
" in response to judge (condition or event of statement) " or " in response to determine (condition or event of statement) " or " in response to detection
(condition or event of statement) ".
It is the specific embodiment of the invention below.
Embodiment one
The embodiment of the present invention relates generally to a kind of method for realizing radio reception device control video flowing, is set in wireless access
Standby upper IGMP (Internet Group Management Protocol, the internet group management association monitored interception terminal and sent
View) packet, video flowing is limited by the form for configuring ebtables rules, reaches limitation multicast source, turns unicast with reference to multicast
When eat dishes without rice or wine record end message mode limit receive video flowing terminal number purpose.
IGMP (IGMP) is the agreement for being responsible for IP multicast member managements in TCP/IP protocol suite, for
Established between IP main frames and directly adjacent multicast router, safeguard multicast group membership.
Ebtables is Ethernet bridge fire wall, and Ethernet bridge is operated in data link layer, and ebtables carried out filter data
Link layer data bag.
Fig. 1 is a kind of method flow diagram for realizing radio reception device control video flowing in the present embodiment, as shown in figure 1,
A kind of method for realizing radio reception device control video flowing includes step in the present embodiment：
S1. the IGMP packet that receiving terminal is sent, the packet include：The port information of terminal
With the multicast source address information of video flowing；
In this step, radio reception device is monitored and intercepts the IGMP packets of terminal transmission, is wrapped in the IGMP packets
Include access interface information of the terminal when asking video flowing, and the multicast source address information of the video flowing of the terminal request.
After radio reception device receives IGMP packets, first determine whether the IGMP packets are that outer network interface is come in
Packet, be specially：
According to the MAC Address of terminal, judge whether the IGMP packet is that terminal is sent out by outer net
The packet sent；
If the IGMP packet is the packet that terminal is sent by outer net, terminal hair is abandoned
The IGMP packet sent；
If the IGMP packet is not the packet that terminal is sent by outer net, step is performed
S2。
S2. according to the multicast source address information, judge whether the multicast source is allowed to multicast, if so, performing next
Step；
In this step, when the IGMP packet is not the packet that terminal is sent by outer net,
The multicast source address information of video flowing in IGMP packets, judges whether the multicast source is allowed to multicast, i.e. the multicast
Whether source has multicast authority；
If the multicast source is not allowed to multicast, the IGMP packet of terminal transmission is abandoned.
If the multicast source is allowed to multicast, next step is performed.
In this step, rule is increased by ebtables, the purpose being controlled to multicast source can be reached.
S3. judge whether the current multicast number of terminals of the multicast source is less than maximum multi-cast terminal number, if so, performing next
Step；
In this step, when the multicast source is allowed to multicast, then the current multicast object terminal of the multicast source is judged
Number whether be user set maximum multi-cast terminal number；
If the current multicast number of terminals of the multicast source has reached maximum multi-cast terminal number, the mutual of terminal transmission is abandoned
Networking igmpinternet packet.
If the current multicast number of terminals of the multicast source is not up to maximum multi-cast terminal number, next step is performed.
In this step, by obtaining the information for upper record terminal of eating dishes without rice or wine, the terminal of corresponding relation is currently established to multicast source
Quantity is limited, so as to limit the terminal quantity of playable video.
S4. judge whether the port is existing, if being not present, create the corresponding table of multicast source and port, and record
Port information.
In this step, when the current multicast number of terminals of the multicast source is not up to maximum multi-cast terminal number, described in judgement
The whether existing record information of port information；
If in the absence of the record information of the port, the corresponding table of multicast source and port is created, and records port information.
If the record information of the existing port, update the port information., the present embodiment is mainly when wireless access is set
When standby access terminal plays video request, limitation ot it is realized by ebtables rules.
Fig. 2 is that radio reception device limits video flowing flow chart in the present embodiment, as shown in Fig. 2 the present embodiment is mainly
When radio reception device access terminal plays video request, limitation ot it is realized by ebtables rules.
In the present embodiment, a process user multicast for opening application layer increases powerful realization, is existed using ebtables
Igmp protocol data bag limitation forwardings are extracted in nat tables, it is mainly logical when limiting multicast in the forward chains of filter tables
Ebtables rules are crossed to manage the forwarding of video flowing, playable video is limited by obtaining the information for upper record terminal of eating dishes without rice or wine
Terminal quantity.
It is 01 by MAC Address in link layer that multicast, which is limited, by ebtables:00:5e:x:x:X address is in filter tables
Filtering, IGMP multicast protocols message report user's space in the PREROUTING chains of nat tables, and multicast enhancing function is responsible for maintenance
Multicast group and the mapping relations of port.
Ebtables rules are as follows in the present embodiment：
(1) following igmp packet of the crawl from non-outer network interface of ebtables configuration in nat tables：ebtables-t
nat-A PREROUTING-i！eth0-p 0x800--ip-proto igmp--ulog-prefix""--ulog-nlgroup
4-j DROP
NAT (Network Address Translation, network address translation) is by the IP address in IP datagram head
Be converted to the process of another IP address.In actual applications, NAT is mainly used in realizing the work(that private network accesses public network
Energy.This mode that more private network IP address is represented by using a small amount of public network IP address, it will help slow down IP available
The exhaustion of address space.
(2) control for multicast source can also increase rule by ebtables：For example only permission multicast source is for increase
224.0.2.0
Port ath0 rule：
ebtables-I FORWARD-d 1:0:5e:0:2:0-j ACCEPT-i eth0-o ath0
(3) the multicast protocol packet that network interface is come in except forbidding：
ebtables-A FORWARD-p 0x800-d 01:00:5e:00:00:00/ff:ff:ff:00:00:00-i
eth0--ip-proto！igmp-j DROP
In addition, in the present embodiment, the record information that the terminal eated dishes without rice or wine sends igmp protocol packages is obtained by ioctl, so as to
Judge whether the current multicast number of terminals of the multicast source is less than maximum multi-cast terminal number in step S3.
Ioctl is the function being managed in device driver to the I/O passages of equipment.It is so-called that I/O passages are carried out
Some characteristics of equipment are exactly controlled by management.In the present embodiment, wireless access is counted by way of ioctl inquiries
Equipment terminal plays video flowing in the case where multicast turns unicast mode limits.
In the present embodiment, user can configure data when radio reception device carries out video flowing limitation, such as：
Fig. 3 is internal data structure relation in the present embodiment.
The present embodiment proposes a kind of method that radio reception device control video flowing is realized based on ebtables rules, we
In method, user can configure multicast address list, and control allows the terminal quantity of multicast source address and acceptable video flowing；This method
The multicast table and the corresponding relation of port established by multicast protocol message issue ebtables rule control video flowings.This method
The forwarding performance that can be supported in itself according to radio reception device limits video flowing, ensures that terminal video plays fluency；This
Outside, video flowing is limited by ebtables rules, it is not necessary to dependent on the support of switch chips and in need not increasing
Interface, configurability enhancing are put in caryogamy.
Embodiment two
Fig. 4 is a kind of system construction drawing for realizing radio reception device control video flowing in the present embodiment, as shown in figure 4,
A kind of system for realizing radio reception device control video flowing includes in the present embodiment：
Receiving module 10, the IGMP packet sent for receiving terminal, the packet include：Eventually
The port information at end and the multicast source address information of video flowing；
First judge module 20, for according to the multicast source address information, judging whether the multicast source is allowed to group
Broadcast；
Second judge module 30, for judging whether the current multicast number of terminals of the multicast source is less than maximum multi-cast terminal
Number；
3rd judge module 40, for judging whether port is existing.
In addition, the system also includes：
4th judge module 50, for the MAC Address according to terminal, judge that the IGMP packet is
The no packet sent for terminal by outer network interface.
In addition, the system also includes：
Discard module 60, for being the data that terminal is sent by outer network interface when the IGMP packet
Bao Shi, abandon the IGMP packet of terminal transmission；
Or when the multicast source is not allowed to multicast, abandon the IGMP data of terminal transmission
Bag；
Or when the current multicast number of terminals of the multicast source has reached maximum multi-cast terminal number, abandon terminal hair
The IGMP packet sent.
In addition, the system also includes：
Creation module 70, for when port is not present, creating the corresponding table of multicast source and port, and record port letter
Breath.
In addition, the system also includes：
Update module 80, for when port is existing, updating the port information.
The present embodiment proposes a kind of system that radio reception device control video flowing is realized based on ebtables rules, and this is
Forwarding performance in itself that can be supported according to radio reception device unite to limit video flowing, ensures that terminal video plays fluency；
In addition, video flowing is limited by ebtables rules, it is not necessary to dependent on switch chips support and need not increase
Kernel setup interface, configurability enhancing.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (10)
- A kind of 1. method for realizing radio reception device control video flowing, it is characterised in that including step：S1. the IGMP packet that receiving terminal is sent, the packet include：The port information of terminal and regard The multicast source address information of frequency stream；S2. according to the multicast source address information, judge whether the multicast source is allowed to multicast, if so, performing next step；S3. judge whether the current multicast number of terminals of the multicast source is less than maximum multi-cast terminal number, if so, performing next step；S4. judge whether the port is existing, if being not present, create the corresponding table of multicast source and port, and record port Information.
- A kind of 2. method for realizing radio reception device control video flowing as claimed in claim 1, it is characterised in that step S2 Also include before：According to the MAC Address of terminal, judge whether the IGMP packet is that terminal passes through outer net The packet of transmission；If so, then abandon the IGMP packet of terminal transmission；Otherwise, then step S2 is performed.
- A kind of 3. method for realizing radio reception device control video flowing as claimed in claim 1, it is characterised in that step S2 In, if the multicast source is not allowed to multicast, abandon the IGMP packet of terminal transmission.
- A kind of 4. method for realizing radio reception device control video flowing as claimed in claim 1, it is characterised in that step S3 In, if the current multicast number of terminals of the multicast source has reached maximum multi-cast terminal number, abandon the internet of terminal transmission Igmpinternet packet.
- A kind of 5. method for realizing radio reception device control video flowing as claimed in claim 1, it is characterised in that step S4 In, if the port is existing, update the port information.
- A kind of 6. system for realizing radio reception device control video flowing, it is characterised in that including：Receiving module, the IGMP packet sent for receiving terminal, the packet include：The end of terminal Message ceases and the multicast source address information of video flowing；First judge module, for according to the multicast source address information, judging whether the multicast source is allowed to multicast；Second judge module, for judging whether the current multicast number of terminals of the multicast source is less than maximum multi-cast terminal number；3rd judge module, for judging whether the port is existing.
- 7. a kind of system for realizing radio reception device control video flowing as claimed in claim 6, it is characterised in that also wrap Include：4th judge module, for the MAC Address according to terminal, judge whether the IGMP packet is eventually Hold the packet sent by outer network interface.
- 8. a kind of system for realizing radio reception device control video flowing as claimed in claims 6 or 7, it is characterised in that also Including：Discard module, for when the IGMP packet be terminal sent by outer network interface packet when, Abandon the IGMP packet of terminal transmission；Or when the multicast source is not allowed to multicast, abandon the IGMP packet of terminal transmission；Or when the current multicast number of terminals of the multicast source has reached maximum multi-cast terminal number, abandon terminal transmission IGMP packet.
- 9. a kind of system for realizing radio reception device control video flowing as claimed in claim 6, it is characterised in that also wrap Include：Creation module, for when port is not present, creating the corresponding table of multicast source and port, and record port information.
- 10. a kind of system for realizing radio reception device control video flowing as claimed in claim 6, it is characterised in that also wrap Include：Update module, for when port is existing, updating the port information.
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| CN102164075A (en) * | 2011-03-18 | 2011-08-24 | 杭州华三通信技术有限公司 | Internet protocol video monitoring method and access layer switchboard |
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