CN104023206A - Method and device of centralized forwarding of media stream - Google Patents
Method and device of centralized forwarding of media stream Download PDFInfo
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- CN104023206A CN104023206A CN201410245419.3A CN201410245419A CN104023206A CN 104023206 A CN104023206 A CN 104023206A CN 201410245419 A CN201410245419 A CN 201410245419A CN 104023206 A CN104023206 A CN 104023206A
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Abstract
The invention provides a method and a device of centralized forwarding of a media stream. The method comprises the following steps of when a live request is received, searching an access table of monitoring client equipment to obtain a first access public network address and searching an access table of monitoring front-end equipment to obtain a second access public network address; searching a media stream forwarding table according to the first access public network address and a private network address of a media stream server so as to obtain a first media stream public network address, and searching the media stream forwarding table according to a second access public network address and the private network address of the media stream server so as to obtain a second media stream public network address; transmitting the second media stream public network address to the monitoring front-end equipment, informing the monitoring front-end equipment to initiate a connection with the media stream and transmitting the media stream, transmitting the first media stream public network address to the monitoring client equipment, informing the monitoring client equipment to initiate a connection with the media stream and receiving the media stream. According to the method and the device, the centralized forwarding of the media stream between two operators can be implemented without relying on special functions of an egress router.
Description
Technical field
The present invention relates to technical field of video monitoring, relate in particular to a kind of Media Stream and concentrate retransmission method and device.
Background technology
Along with the development of monitoring trade, the chain monitoring demand of wide area network increases day by day, and each chain store is linked into wide area network from different operators.The network delay and the packet loss that bring in order to reduce cross operator, the outlet of general headquarters of chain store need to be connected to multiple operators simultaneously, and as shown in Figure 1, general headquarters' egress router connects operator 1 and 2 two networks of operator.Concentrating under forward mode, need front end NVR (Network Video Recorder, network hard disk video recorder) first Media Stream to be sent to MS (Media Server, media stream server), MS is transmitted to client again.As shown in Figure 1, when the live NVR1 of XP1, Media Stream is sent to MS by NVR1, MS again by forwarding media stream to XP1.There is like this problem, in the time that user need to carry out live business, MS need to provide the IP address of oneself, in this networking, MS only has an address, and is private net address, if directly this address is returned to NVR1 and client XP1,, because XP1, NVR1, MS are in private network separately, cannot set up communication, also just cause live business normally to set up.
Existing a kind of processing mode is by enabling ALG (Application Level Gateway on the egress router in general headquarters or fire compartment wall, ALG) function, meanwhile, on this egress router, manually increase configuration, the public network address of MS is mapped to private net address.When the private net address of MS is sent to NVR1 and XP1 by VM (Video Manage, video management server), message is modified on the egress router of general headquarters, and the MS private net address that internal layer carries is modified as public network address by ALG function.NVR1 initiates Media Stream with XP1 to this public network address and is connected, and egress router is transmitted to MS according to above-mentioned mapping configuration.This processing mode requires egress router or the fire compartment wall of general headquarters must support ALG function, ALG function is based on application-specific, for example SIP (Session Initiation Protocol, session initiation protocol), if not the agreement of this standard, or router is not supported ALG, this scheme cannot realize so.
Summary of the invention
In view of this, the invention provides a kind of Media Stream and concentrate retransmission method, the method is applied on the video management server in supervisory control system, described supervisory control system comprises monitoring frontend, monitor client equipment, media stream server and video management server, described media stream server and video management server are positioned at same private network, the egress router of this private network connects different carrier networks, and the method comprises:
In the time receiving the request of the live described monitoring frontend of described monitor client equipment, query monitor client device access table, obtain the first access public network address that described monitor client equipment is corresponding, and query monitor headend equipment access table, obtain the second access public network address that described monitoring frontend is corresponding, wherein, described the first access public network address is the public network address that described video management server shines upon in carrier network corresponding to described monitor client equipment, described the second access public network address is the public network address that described video management server shines upon in carrier network corresponding to described monitoring frontend,
According to the private net address of described the first access public network address and described media stream server, inquiry forwarding media stream table, obtain the first Media Stream public network address, and according to the private net address of described the second access public network address and described media stream server, inquiry forwarding media stream table, obtain the second Media Stream public network address, wherein, described the first Media Stream public network address is the public network address that described media stream server is shone upon in carrier network corresponding to described monitor client equipment, described the second Media Stream public network address is the public network address that described video management server shines upon in carrier network corresponding to described monitoring frontend,
The second Media Stream public network address is sent to described monitoring frontend, notifying described monitoring frontend to initiate Media Stream to described the second Media Stream public network address connects, send Media Stream by this connection, and the first Media Stream public network address is sent to described monitor client equipment, notify described monitor client equipment to initiate Media Stream to described the first Media Stream public network address and connect, receive the Media Stream that this connection sends.
The present invention also provides a kind of Media Stream to concentrate retransmission unit, on the video management server of this application of installation in supervisory control system, described supervisory control system comprises monitoring frontend, monitor client equipment, media stream server and video management server, described media stream server and video management server are positioned at same private network, the egress router of this private network connects different carrier networks, and this device comprises:
Access network acquiring unit, for in the time receiving the request of the live described monitoring frontend of described monitor client equipment, query monitor client device access table, obtain the first access public network address that described monitor client equipment is corresponding, and query monitor headend equipment access table, obtain the second access public network address that described monitoring frontend is corresponding, wherein, described the first access public network address is the public network address that described video management server shines upon in carrier network corresponding to described monitor client equipment, described the second access public network address is the public network address that described video management server shines upon in carrier network corresponding to described monitoring frontend,
Media address acquiring unit, be used for according to the private net address of described the first access public network address and described media stream server, inquiry forwarding media stream table, obtain the first Media Stream public network address, and according to the private net address of described the second access public network address and described media stream server, inquiry forwarding media stream table, obtain the second Media Stream public network address, wherein, described the first Media Stream public network address is the public network address that described media stream server is shone upon in carrier network corresponding to described monitor client equipment, described the second Media Stream public network address is the public network address that described video management server shines upon in carrier network corresponding to described monitoring frontend,
Media Stream is set up unit, for the second Media Stream public network address is sent to described monitoring frontend, notifying described monitoring frontend to initiate Media Stream to described the second Media Stream public network address connects, send Media Stream by this connection, and the first Media Stream public network address is sent to described monitor client equipment, notify described monitor client equipment to initiate Media Stream to described the first Media Stream public network address and connect, receive the Media Stream that this connection sends.
The present invention does not rely on the specific function of egress router, and the Media Stream of realizing between two operators is concentrated forwarding.
Brief description of the drawings
Fig. 1 is a kind of cross operator supervisory control system schematic diagram.
Fig. 2 is that in one embodiment of the present invention, Media Stream is concentrated the logical construction of retransmission unit and the schematic diagram of underlying hardware environment thereof.
Fig. 3 is the flow chart that in one embodiment of the present invention, Media Stream is concentrated retransmission method.
Fig. 4 is cross operator supervisory control system schematic diagram in one embodiment of the present invention.
Fig. 5 is single router virtual server mapping schematic diagram in one embodiment of the present invention.
Fig. 6 is multi-router virtual server mapping schematic diagram in one embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
The invention provides a kind of Media Stream and concentrate retransmission unit, on the video management server of this application of installation in supervisory control system, described supervisory control system comprises monitoring frontend, monitor client equipment, media stream server and video management server, described media stream server and video management server are positioned at same private network, and the egress router of this private network connects different carrier networks.Be embodied as example with software below and describe, but the present invention does not get rid of such as other implementations such as hardware or logical device.As shown in Figure 2, this Media Stream concentrates the hardware environment of retransmission unit operation to comprise CPU, internal memory, nonvolatile memory and other hardware.This Media Stream is concentrated the virtual bench of retransmission unit as a logic level, and it moves by CPU.This device comprises that access network acquiring unit, media address acquiring unit and Media Stream set up unit.Please refer to Fig. 3, use and the running of this device comprise the following steps:
Step 101, access network acquiring unit is in the time receiving the request of the live described monitoring frontend of described monitor client equipment, query monitor client device access table, obtain the first access public network address that described monitor client equipment is corresponding, and query monitor headend equipment access table, obtain the second access public network address that described monitoring frontend is corresponding, wherein, described the first access public network address is the public network address that described video management server shines upon in carrier network corresponding to described monitor client equipment, described the second access public network address is the public network address that described video management server shines upon in carrier network corresponding to described monitoring frontend,
Step 102, media address acquiring unit is according to the private net address of described the first access public network address and described media stream server, inquiry forwarding media stream table, obtain the first Media Stream public network address, and according to the private net address of described the second access public network address and described media stream server, inquiry forwarding media stream table, obtain the second Media Stream public network address, wherein, described the first Media Stream public network address is the public network address that described media stream server is shone upon in carrier network corresponding to described monitor client equipment, described the second Media Stream public network address is the public network address that described video management server shines upon in carrier network corresponding to described monitoring frontend,
Step 103, Media Stream is set up unit the second Media Stream public network address is sent to described monitoring frontend, notifying described monitoring frontend to initiate Media Stream to described the second Media Stream public network address connects, send Media Stream by this connection, and the first Media Stream public network address is sent to described monitor client equipment, notify described monitor client equipment to initiate Media Stream to described the first Media Stream public network address and connect, receive the Media Stream that this connection sends.
The present invention is applied to the supervisory control system of cross operator network, realizes the concentrated forwarding of Media Stream by media server.Please refer to Fig. 4, this figure has provided exemplary system diagram, can change to some extent according to actual networking demand.This supervisory control system mainly comprises egress router, monitoring frontend (as IPC, NVR etc.) and the monitor client equipment (as mobile phone, XP etc.) of video management server VM, media stream server MS, server side, wherein, video management server and media stream server are arranged in private network, and monitoring frontend and monitor client equipment are in different carrier networks.Under normal circumstances, IPC is responsible for the collection of video data, and sends the data to NVR and carry out storage and the forwarding of video data, in the time that monitor client need to be checked video data, can obtain the video data needing by access NVR equipment.Now introduce specific embodiment of the invention process as an example of the live monitoring frontend NVR of monitor client equipment XP example.
Before carrying out fact, need to be on the egress router of general headquarters the video management server VM to Intranet and media stream server MS carry out virtual server mapping.Conventionally supervisory control system can be arranged a VM and several MS, for each VM and MS carry out virtual server mapping on egress router interface.As shown in Figure 4, the egress router of general headquarters connects Liao Liangge operator, on egress router, carries out virtual server mapping respectively for different carrier networks.This supervisory control system comprises a VM and a MS, and the private net address of VM is 172.1.1.1, and the private net address of MS is 172.1.1.2.Egress router carries out virtual server mapping on the interface being connected with operator 1 network, and after mapping, the public network address of VM is 30.30.30.1, and the public network address of MS is 30.30.30.2; On the interface being connected with operator 2 networks, carry out virtual server mapping, after mapping, the public network address of VM is 20.20.20.1, and the public network address of MS is 20.20.20.2.
In the time that XP1 asks live NVR1, video management server is inquired about inner monitor client equipment access table, the public network address of the video management server of having filled in while having recorded monitor client equipment access video management server in this access table, this access public network address is the public network address that video management server shines upon in monitor client equipment carrier network of living in.Video management server obtains this public network address by tabling look-up, hereinafter to be referred as the first access public network address.
| Monitor client equipment | The first access public network address |
| XP1 | 20.20.20.1 |
| XP2 | 20.20.20.1 |
| XP3 | 30.30.30.1 |
Table 1
Table 1 is monitor client equipment access table.After video management server is tabled look-up, know that XP1 accesses from operator 2, the first access public network address is 20.20.20.1.
In like manner, query monitor headend equipment access table, the public network address of the video management server of having filled in while having recorded monitoring frontend access video management server in this access table, this access public network address is the public network address that video management server shines upon in monitoring frontend carrier network of living in.Video management server obtains this public network address by tabling look-up, hereinafter to be referred as the second access public network address.
| Monitoring frontend | The second access public network address |
| NVR1 | 30.30.30.1 |
| NVR2 | 20.20.20.1 |
Table 2
Table 2 is monitoring frontend access table.After video management server is tabled look-up, know that NVR1 accesses from operator 1, the second access public network address is 30.30.30.1.
Video management server is according to above-mentioned the first access public network address and the second access public network address of tabling look-up and obtaining, inquire about inner forwarding media stream table, obtain respectively the media stream server public network address that XP1 and NVR1 are corresponding, these two media stream server public network addresses are respectively the public network addresses that media stream server is shone upon in XP1 operator 2 networks and NVR1 operator 1 network.Described forwarding media stream table can be by user's manual configuration on video management server, this media forwarding table comprises access public network address, media stream server private net address and media stream server public network address, wherein, the corresponding relation of media stream server private net address and media stream server public network address has been determined, need be consistent in the time media stream server being carried out to virtual server mapping.
In actual monitored system layout, the multiple media stream server of possible configuration, therefore, specifically provide service by which media stream server, are determined by video management server.Video management server is determined the media stream server of service public network address is provided according to access public network address and media stream server private net address.Wherein, video management server confirms according to access public network address which carrier network access access device is from, select again a service available media stream server, after inquiry forwarding media stream table, determine the public network address that the media stream server of service is provided in this carrier network.For the service of forwarding by which media stream server is provided, conventionally determined according to the working condition of media stream server by video management server.
| Access public network address | Media stream server private net address | Media stream server public network address |
| 30.30.30.1 | 172.1.1.2 | 30.30.30.2 |
| 20.20.20.1 | 172.1.1.2 | 20.20.20.2 |
Table 3
Table 3 is forwarding media stream table.The first access public network address that XP1 is corresponding is 20.20.20.1, and media stream server private net address is 172.1.1.2, and the media stream server public network address that XP1 is corresponding is 20.20.20.2, is called the first Media Stream public network address.
In like manner, from table 3, can learn, the second access public network address that NVR1 is corresponding is 30.30.30.1, media stream server private net address is 172.1.1.2, and the media stream server public network address that NVR1 is corresponding is 30.30.30.2, is called the second Media Stream public network address.
The second Media Stream public network address 30.30.30.2 is sent to NVR1 by video management server, and notice NVR1 initiates Media Stream to this public network address and connects, and media stream data is sent to media stream server by this connection.
In like manner, the first Media Stream public network address 20.20.20.2 is sent to XP1 by video management server, and notice XP1 initiates Media Stream to this public network address and connects, and receives the Media Stream that this connection sends.
From said process, video management server is by monitor client equipment access table, monitoring frontend access table and the forwarding media stream table set up therein, realize the concentrated forwarding of Media Stream, this scheme does not rely on the special setting of egress router, only need possess basic address mapping function, can realize this programme.
The monitor client equipment access table of video management server inside and monitoring frontend access table can be set up in the facility registration stage.Before registering, first to complete the virtual server mapping to video management server, obtain the public network address that it shines upon in different operators network, simultaneously, according to the difference of watch-dog operator network, on watch-dog, configure different registered addresses, this registered address is the public network address that video management server shines upon in watch-dog operator network.Watch-dog is initiated registration to its corresponding registered address, to complete registration process.
Monitor client equipment, in the time registering to video management server, carries the public network address that video management server shines upon in monitor client carrier network of living in logon message.Video management server is in the time receiving the logon message of monitor client equipment, from this logon message, obtain this public network address as the first access public network address, and set up the corresponding relation list item of monitor client equipment and this first access public network address, add in monitor client equipment access table, as shown in table 1.Due to network segment difference corresponding to different carrier networks, therefore, it is from that video management server can be judged monitor client equipment by this first access public network address for which carrier network access, thereby in the time of forwarding media stream, by this carrier network, Media Stream is sent to monitor client equipment.
In like manner, monitoring frontend, in the time registering to video management server, carries the public network address that video management server shines upon in front monitoring front-end carrier network of living in logon message.Video management server is in the time receiving the logon message of monitoring frontend, from this logon message, obtain this public network address as the second access public network address, and set up the corresponding relation list item of monitoring frontend and this second access public network address, add in monitoring frontend access table, as shown in table 2.It is from that video management server is judged monitoring frontend by this second access public network address for which carrier network access, thereby in the time of forwarding media stream, receives by this carrier network the Media Stream that this monitoring frontend sends.
Before carrying out fact, also need to set up in video management server by manual configuration forwarding media stream table, the public network address that provides media stream server to shine upon for the equipment of different operators network insertion in corresponding carrier network.The corresponding relation of having preserved public network address, the private net address of media stream server and the public network address of media stream server mapping of video management server mapping in this forwarding media stream table, forwards foundation is provided for tabling look-up, as shown in table 3.Video management server, by inquiring about this forwarding media stream table and be respectively monitor client equipment and monitoring frontend providing the media stream server public network address corresponding with its operator network, connects to set up Media Stream.
Carrying out before fact, need to carry out virtual server mapping to media stream server, can complete by manual configuration, the address mapping relation that also can automatically issue media stream server by video management server, to egress router, is realized the virtual server mapping of media stream server.This requires video management server first to set up forwarding media stream table, configures the address mapping relation of media stream server, then, these mapping relations is handed down to egress router.Meanwhile, egress router need possess these mapping relations of reception, and completes the ability of interface configuration according to these mapping relations.Although this configuration mode needs the program of egress router to do synchronous upgrading, but also save the virtual server manual configuration time simultaneously, and configuration is more flexible, once configuration makes mistakes, only need the forwarding media stream table in change video management server, re-issue configuration order, do not need each egress router to configure separately.
Media stream server mapping relations as shown in table 3, media stream server private net address is 172.1.1.2, is 30.30.30.2 at the public network address of operator's 1 network mapping, is 20.20.20.2 at the public network address of operator's 2 network mappings.Automatically the detailed process issuing is: the mapping relations of above-mentioned private net address and public network address are handed down to egress router by video management server, and notice egress router completes address mapping.Egress router, obtaining after above-mentioned mapping relations, extracts the public network address in mapping relations, judges whether this public network address belongs to the network segment of local network interface, if belong to, mapping relations is configured on this interface.As shown in Figure 5, egress router judges that 30.30.30.2 belongs to interface 1 network segment 30.30.30.1/24, is configured in the mapping relations of 172.1.1.2 and 30.30.30.2 on interface 1; In like manner, the mapping relations of 172.1.1.2 and 20.20.20.2 are configured on interface 2.Fig. 6 is many interface configuration of multiple exit router mode, egress router 1 receives after configuration order, judgement only has the to one's name network segment 30.30.30.1/24 under interface of 30.30.30.2, the mapping relations of 172.1.1.2 and 30.30.30.2 is configured on the interface of oneself; In like manner, egress router 2 judgement only has the to one's name network segment 20.20.20.1/24 under interface of 20.20.20.2, the mapping relations of 172.1.1.2 and 20.20.20.2 is configured on the interface of oneself.
The present invention need to not do special setting on egress router, and the Media Stream that can realize between cross operator network is concentrated forwarding, and network adaptability is strong.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.
Claims (8)
1. a Media Stream is concentrated retransmission method, the method is applied on the video management server in supervisory control system, described supervisory control system comprises monitoring frontend, monitor client equipment, media stream server and video management server, described media stream server and video management server are positioned at same private network, the egress router of this private network connects different carrier networks, it is characterized in that, the method comprises:
In the time receiving the request of the live described monitoring frontend of described monitor client equipment, query monitor client device access table, obtain the first access public network address that described monitor client equipment is corresponding, and query monitor headend equipment access table, obtain the second access public network address that described monitoring frontend is corresponding, wherein, described the first access public network address is the public network address that described video management server shines upon in carrier network corresponding to described monitor client equipment, described the second access public network address is the public network address that described video management server shines upon in carrier network corresponding to described monitoring frontend,
According to the private net address of described the first access public network address and described media stream server, inquiry forwarding media stream table, obtain the first Media Stream public network address, and according to the private net address of described the second access public network address and described media stream server, inquiry forwarding media stream table, obtain the second Media Stream public network address, wherein, described the first Media Stream public network address is the public network address that described media stream server is shone upon in carrier network corresponding to described monitor client equipment, described the second Media Stream public network address is the public network address that described video management server shines upon in carrier network corresponding to described monitoring frontend,
The second Media Stream public network address is sent to described monitoring frontend, notifying described monitoring frontend to initiate Media Stream to described the second Media Stream public network address connects, send Media Stream by this connection, and the first Media Stream public network address is sent to described monitor client equipment, notify described monitor client equipment to initiate Media Stream to described the first Media Stream public network address and connect, receive the Media Stream that this connection sends.
2. the method for claim 1, is characterized in that, before the live described monitoring frontend of described monitor client equipment, also comprises:
In the time receiving the logon message of described monitor client equipment, from described logon message, obtain described the first access public network address, and set up described monitor client equipment and described first access public network address corresponding relation list item, add described monitor client equipment access table to;
In the time receiving the logon message of described monitoring frontend, from described logon message, obtain described the second access public network address, and set up described monitoring frontend and described second access public network address corresponding relation list item, add described monitoring frontend access table to.
3. the method for claim 1, is characterized in that, before the live described monitoring frontend of described monitor client equipment, also comprises:
The corresponding relation list item of setting up the public network address that public network address that described media stream server private net address, described media stream server shine upon in carrier network and described video management server shine upon in same carrier network, adds described forwarding media stream table to.
4. the method for claim 1, is characterized in that, before the live described monitoring frontend of described monitor client equipment, also comprises:
The private net address of media stream server described in described forwarding media stream table and the public network address corresponding relation of described media stream server are handed down to described egress router, notify described egress router to carry out address mapping, make described monitoring frontend and described monitor client equipment send to the message of described media stream server when by described egress router, described egress router sends to described media stream server according to described address mapping relation.
5. a Media Stream is concentrated retransmission unit, on the video management server of this application of installation in supervisory control system, described supervisory control system comprises monitoring frontend, monitor client equipment, media stream server and video management server, described media stream server and video management server are positioned at same private network, the egress router of this private network connects different carrier networks, it is characterized in that, this device comprises:
Access network acquiring unit, for in the time receiving the request of the live described monitoring frontend of described monitor client equipment, query monitor client device access table, obtain the first access public network address that described monitor client equipment is corresponding, and query monitor headend equipment access table, obtain the second access public network address that described monitoring frontend is corresponding, wherein, described the first access public network address is the public network address that described video management server shines upon in carrier network corresponding to described monitor client equipment, described the second access public network address is the public network address that described video management server shines upon in carrier network corresponding to described monitoring frontend,
Media address acquiring unit, be used for according to the private net address of described the first access public network address and described media stream server, inquiry forwarding media stream table, obtain the first Media Stream public network address, and according to the private net address of described the second access public network address and described media stream server, inquiry forwarding media stream table, obtain the second Media Stream public network address, wherein, described the first Media Stream public network address is the public network address that described media stream server is shone upon in carrier network corresponding to described monitor client equipment, described the second Media Stream public network address is the public network address that described video management server shines upon in carrier network corresponding to described monitoring frontend,
Media Stream is set up unit, for the second Media Stream public network address is sent to described monitoring frontend, notifying described monitoring frontend to initiate Media Stream to described the second Media Stream public network address connects, send Media Stream by this connection, and the first Media Stream public network address is sent to described monitor client equipment, notify described monitor client equipment to initiate Media Stream to described the first Media Stream public network address and connect, receive the Media Stream that this connection sends.
6. device as claimed in claim 5, is characterized in that, before described access network acquiring unit, also comprises:
Client access unit, for in the time receiving the logon message of described monitor client equipment, from described logon message, obtain described the first access public network address, and set up described monitor client equipment and described first access public network address corresponding relation list item, add described monitor client equipment access table to;
Front end access unit, for in the time receiving the logon message of described monitoring frontend, from described logon message, obtain described the second access public network address, and set up described monitoring frontend and described second access public network address corresponding relation list item, add described monitoring frontend access table to.
7. the method for claim 1, is characterized in that, before described access network acquiring unit, also comprises:
Table unit is built in forwarding, for setting up the corresponding relation list item of the public network address that public network address that described media stream server private net address, described media stream server shine upon at carrier network and described video management server shine upon in same carrier network, add described forwarding media stream table to.
8. the method for claim 1, is characterized in that, before described access network acquiring unit, also comprises:
Virtual map unit, for the private net address of media stream server described in described forwarding media stream table and the public network address corresponding relation of described media stream server are handed down to described egress router, notify described egress router to carry out address mapping, make described monitoring frontend and described monitor client equipment send to the message of described media stream server when by described egress router, described egress router sends to described media stream server according to described address mapping relation.
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| CN108347622A (en) * | 2018-03-06 | 2018-07-31 | 腾讯科技（深圳）有限公司 | Multi-medium data method for pushing, device, storage medium and equipment |
| CN108347622B (en) * | 2018-03-06 | 2020-06-30 | 腾讯科技（深圳）有限公司 | Multimedia data pushing method and device, storage medium and equipment |
| CN112188227A (en) * | 2020-09-30 | 2021-01-05 | 武汉中科通达高新技术股份有限公司 | Streaming media data distribution method and device |
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