CN104394127B - A kind of multimedia sharing method, equipment and system - Google Patents
A kind of multimedia sharing method, equipment and system Download PDFInfo
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- CN104394127B CN104394127B CN201410632872.XA CN201410632872A CN104394127B CN 104394127 B CN104394127 B CN 104394127B CN 201410632872 A CN201410632872 A CN 201410632872A CN 104394127 B CN104394127 B CN 104394127B
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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Abstract
The embodiment of the invention discloses a kind of multimedia sharing method, equipment and systems, are related to wireless communication field, to improve transmission rate when multimedia is shared.In embodiments of the present invention, playback equipment needs the control message for being shared multimedia direct connected link access address by the carrying that the area network link receiving control apparatus pre-established is sent；Playback equipment is directed to storage device initiation by direct connected link access address and waits that sharing multimedia multimedia shares request, and receive the multi-medium data that storage device is sent by direct connected link；Playback equipment plays multimedia to be shared according to the multi-medium data received；So as to improve transmission rate when multimedia is shared.
Description
Technical field
The present invention relates to a kind of wireless communication field more particularly to multimedia sharing method, equipment and systems.
Background technology
With the gradual popularization of the equipment such as smart mobile phone, smart television, the technologies such as multimedia is shared, multi-screen interactive also obtain
Broad development and application.Such technology is based primarily upon the agreements such as DLNA, IGRS and Miracast, is connected by Wifi wireless networks
It connects, in different multimedia terminal between (such as smart mobile phone, tablet computer, PC, TV etc.), multimedia content (bag can be carried out
Include picture, audio ＆ video) transmission, parsing, displaying with control etc. sequence of operations, can be in different platform equipment simultaneously
Shared displaying content.For example picture, music and film on mobile phone, PC etc. can be pushed to the large-size screen monitors such as TV by such technology
It is played on curtain, the interface on mobile phone can also be shipped on TV, greatly improved the multimedia experiences of user, enriched
The multimedia life of user is a kind of technology with wide application prospect.
But inventor has found, in current multimedia shares scheme, is linked between each equipment by wireless interface
In the LAN established by wireless router, the transmission of multimedia data stream is forwarded by wireless router, therefore data transmission
Rate influenced be subject to the data forwarding performance of wireless router.It is found through measuring and calculating, supports the smooth stream of 1080P HD videos
It is smooth to play the data transmission throughput at least needing 16Mbps, but at present 6M is only supported between mainstream wireless router wireless interface
The data transmission throughput of~12Mbps or so.The data forwarding performance deficiency of wireless router, has become media sharing effect
The bottleneck of fruit restricts the popularization of media sharing application.
The content of the invention
The embodiment of the present invention provides a kind of multimedia sharing method, equipment and system, to improve when multimedia is shared
Transmission rate.
The embodiment of the present invention provides a kind of multimedia sharing method, and this method includes：
Playback equipment needs to be shared multimedia by the carrying that the area network link receiving control apparatus pre-established is sent
Direct connected link access address control message；The direct connected link access address is that the control device passes through the LAN
Chain road direction storage device sends multimedia direct connected link access list request message, receives and parses through the storage device and passes through institute
After the response message for stating area network link transmission, the multimedia direct connected link being stored in the storage device obtained is visited
Ask one in list direct connected link access address corresponding with the multimedia to be shared；
The playback equipment is directed to described treat point by the direct connected link access address, to storage device initiation
It enjoys multimedia multimedia and shares request, and receive the multi-medium data that the storage device is sent by the direct connected link；
The playback equipment is according to the multi-medium data received, multimedia to be shared described in broadcasting.
The embodiment of the present invention provides a kind of playback equipment, which includes：
Receiving unit, the carrying for passing through the area network link receiving control apparatus pre-established transmission need to be shared more
The control message of the direct connected link access address of media；The direct connected link access address is the control device by building in advance
Vertical area network link sends multimedia direct connected link access list request message to storage device, receives and parses through the storage
After the response message that equipment is sent by the area network link, it is direct-connected to obtain the multimedia being stored in the storage device
One in link-access list direct connected link access address corresponding with the multimedia to be shared；
Request unit for passing through the direct connected link access address, is directed to storage device initiation and described waits to share
Multimedia multimedia shares request, and receives the multi-medium data that the storage device is sent by the direct connected link；
Broadcast unit, for the multi-medium data that basis receives, multimedia to be shared described in broadcasting.
The embodiment of the present invention also provides a kind of multimedia share system, which includes：
Control device sends the access of multimedia direct connected link for passing through the area network link pre-established to storage device
List request message receives the response message that the storage device is sent by the area network link；It analyzes the response to disappear
Cease the multimedia direct connected link access list being stored in the storage device for obtaining carrying in the response message；For appointing
One multimedia to be shared accesses direct connected link corresponding with multimedia to be shared in the multimedia direct connected link access list
Address carries and is sent to playback equipment by the area network link pre-established in control message；
The playback equipment receives carrying for the control device transmission for passing through the area network link pre-established
The control information for waiting to share multimedia direct connected link access address；By the direct connected link access address, to described
Storage device initiation be directed to it is described wait that sharing multimedia multimedia shares request, and receive the storage device pass through it is described
The multi-medium data that direct connected link is sent；According to the multi-medium data received, multimedia to be shared described in broadcasting；
The storage device, for passing through the multimedia that the area network link pre-established receives the control device and sends
Direct connected link access list request message, and carried local multimedia direct connected link access list is stored in response message
It is sent to the control device；Receive the multimedia that the playback equipment is sent and share request, and pass through pre-establish it is direct-connected
Playback equipment described in chain road direction sends multi-medium data.
It can be seen from the above technical proposal that the embodiment of the present invention is applied to control device, storage device and playback equipment
Accessed in advance by router in same LAN and established between the storage device and the playback equipment have it is direct-connected
In the network architecture of link, wherein, control device carries out control information interaction with storage device by area network link, and control is set
It is standby to carry out control information interaction still through area network link with playback equipment, playback equipment and storage in the embodiment of the present invention
Equipment carries out multi-medium data interaction by direct connected link, since direct connected link is from the number of the wireless router of wireless router
Family can be broken through according to the insufficient constraint of forwarding performance, therefore by this mode of direct connected link progress multi-medium data interaction
The bottleneck of the transmission rate of wireless router in LAN, so as to improve multimedia data transmission rate, avoids multimedia
The problems such as image interim card and long period of reservation of number when sharing, improve user experience.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for this
For the those of ordinary skill in field, without having to pay creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is a kind of schematic diagram of the network architecture provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of another network architecture provided in an embodiment of the present invention；
Fig. 3 is a kind of flow diagram of multimedia sharing method provided in an embodiment of the present invention；
Fig. 4 is the process schematic provided in an embodiment of the present invention shared by direct connected link to multi-medium data；
Fig. 5 is a kind of structure diagram of playback equipment provided in an embodiment of the present invention；
Fig. 6 is a kind of structure diagram of multimedia share system provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical solutions and advantages of the present invention clearer, the present invention is made below in conjunction with attached drawing into
It is described in detail to one step, it is clear that described embodiment is only the implementation of part of the embodiment of the present invention rather than whole
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
All other embodiment, belongs to the scope of protection of the invention.
The embodiment of the present invention is applied to the network rack being made of control device, storage device, playback equipment and router
Structure, Fig. 1 show a kind of schematic diagram of network architecture provided in an embodiment of the present invention, as shown in Figure 1, device A equipment in order to control,
For the process that multimedia is controlled to share, such as smart mobile phone, PC etc.；Equipment B is storage device, for being responsible for storage multimedia number
According to such as smart mobile phone, PC etc.；Equipment C is playback equipment, for being responsible for the data of access equipment B and broadcasting, such as smart television
Deng.Wherein device A and equipment B can be same equipment.Each equipment can obtain after WLAN is linked by wireless interface
Take IP address.Before multimedia shares beginning, can other side be obtained by device discovery protocol (such as UPNP) between each equipment
The information such as the IP address of equipment and its function that possesses.Wherein, storage device and playback equipment are provided with direct-connected function, and
And control device, storage device and playback equipment are accessed by router in same LAN in advance, storage device is with playing
Direct connected link is pre-established between equipment.The embodiment of the present invention is particularly suitable for by terminal device, television devices and routing
The network architecture of device composition, Fig. 2 show the schematic diagram of another network architecture provided in an embodiment of the present invention, as shown in Fig. 2,
Wherein, terminal device can realize control device and function and step performed by storage device, and television devices can be realized
Function and step performed by playback equipment；Terminal device and television devices are respectively provided with direct-connected function, and terminal device and
Television devices can be accessed by router in family lan by wired or wireless mode, in terminal device and TV
After machine equipment access family lan, terminal device establishes direct connected link with television devices.
Fig. 3 shows a kind of flow diagram of multimedia sharing method provided in an embodiment of the present invention, as shown in figure 3,
This method includes：
Step 31：Playback equipment needs to be shared by the carrying that the area network link receiving control apparatus pre-established is sent
The control message of multimedia direct connected link access address.
It is sent out specifically, direct connected link access address is control device by the area network link pre-established to storage device
Multimedia direct connected link access list request message is sent, storage device is received and parsed through and is disappeared by the response that area network link is sent
After breath, it is corresponding with multimedia to be shared to obtain one be stored in the multimedia direct connected link access list in storage device
Direct connected link access address.
Step 32：Playback equipment is directed to multimedia to be shared by direct connected link access address to storage device initiation
Multimedia share request.
Step 33：Playback equipment receives the multi-medium data that storage device is sent by direct connected link.
Step 34：Playback equipment plays multimedia to be shared according to the multi-medium data received.
Optionally, before above-mentioned steps 31, accessed together by router in control device, storage device and playback equipment
During one LAN, the area network link access address of counterpart device is obtained between each equipment by device discovery protocol；It plays
Equipment needs to be shared multimedia direct connected link visit by the carrying that the area network link receiving control apparatus pre-established is sent
It asks the control message of address, specifically includes：Playback equipment receives control by the area network link access address of control device and sets
The control message that preparation is sent；Control device sends multimedia direct connected link by the area network link pre-established to storage device
Access list request message, specifically includes：Control device is by the area network link access address of storage device to storage device
Send multimedia direct connected link access list request message；Control device receives the sound that storage device is sent by area network link
Message is answered, is specifically included：Control device receives the response message of storage device transmission by area network link access address.
Optionally, after control device, storage device and playback equipment access same LAN by router, pass through
Following steps establish the wifi direct connected links between storage device and playback equipment：Pass through the direct-connected scanning sides of wifi between each equipment
Formula obtains the identification information of counterpart device；Any one equipment carries the direct-connected chain of self identification information to counterpart device transmission
Request is established on road, and after the confirmation message for being used to respond direct connected link foundation request of counterpart device return is received, establishing should
Wifi direct connected links between equipment and counterpart device.
The embodiment of the present invention is specifically described below.
Fig. 4 shows that the process provided in an embodiment of the present invention shared by direct connected link to multi-medium data is illustrated
Figure, as shown in figure 4, the process can include：
Step 40：Control device receives multimedia input by user and shares instruction.
During specific implementation, user sends multimedia to control device and shares instruction, and control device is receiving user's input
Multimedia share instruction after triggering perform step 41.In embodiments of the present invention, user can be by various methods to control
Control equipment sends the multimedia and shares instruction, and form, the form of touch virtual key such as combination button can also pass through remote control
Device or other-end send multimedia to control device and share instruction.It should be noted that according to different application scenarios, user
A variety of instructions can be sent to control device, above-mentioned a variety of instructions may be incorporated for triggering control device and pass through the office that pre-establishes
Domain network chain road direction storage device sends multimedia direct connected link access list request message, that is, triggers control device and perform step
41。
Step 41：Control device sends multimedia direct connected link to storage device by the area network link pre-established and visits
Ask list request message.
During specific implementation, control device sends the direct-connected chain of multimedia by the area network link pre-established to storage device
Road access list request message, for obtaining the multimedia data information in storage device, such as multimedia file title, multimedia
Form, multimedia direct connected link access address etc..Wherein, multimedia direct connected link access address for playback equipment addressablely
Location.It should be noted that it can be carried in multimedia direct connected link access list request message in the embodiment of the present invention pre-
Bidding is known, and be used to indicate that storage device returned according to the default true directional control device of mark is that multimedia direct connected link accesses
Address list or multimedia-LAN link-access address list.In embodiments of the present invention, multimedia direct connected link accesses
Multimedia names, form and direct connected link access address, multimedia-LAN link-access can at least be included in address list
Multimedia names, form and area network link access address can at least be included in address list.
For example, since storage device not only access to LAN but also had pre-established direct connected link with playback equipment in advance,
Therefore the storage device possesses two IP address that can be accessed, i.e. IP1 and IP2 in Fig. 1, and wherein IP1 is the storage device
Area network link access address, miscellaneous equipment can access the storage by the area network link access address of the storage device
Resource in equipment；IP2 is the direct connected link access address of the storage device, and opposite equip. can pass through the straight of the storage device
Connected link access address accesses the resource in the storage device.
Step 42：Storage device carries multimedia direct connected link Access Column by area network link to control device transmission
The response message of table.
During specific implementation, storage device is by the requested multi-medium data of multimedia direct connected link access list request message
Information carrying returns to control device in the response message.
Step 43：Control device resolution response message, being stored in for carrying in the message that meets with a response are more in storage device
Media direct connected link access list.
During specific implementation, response message that the storage device that receives of control device parsing returns, in the message that meets with a response
The multimedia direct connected link access list being stored in storage device carried.It should be noted that multimedia direct connected link is visited
It asks and multimedia file name, multimedia form, multimedia direct connected link access address etc. has been included at least in list.
Step 44：For any multimedia to be shared, control device by multimedia direct connected link access list with treating point
The corresponding direct connected link access address carrying of multimedia is enjoyed to be sent to by the area network link pre-established in control message
Playback equipment.
During specific implementation, after control device gets multimedia direct connected link access list, user can be prompted to select
The multimedia shared is needed, when user selects to share some multimedia to playback equipment, control device is direct-connected in multimedia
This is obtained in link-access list to wait to share multimedia direct connected link access address, and the direct connected link access address is carried
Playback equipment is sent to by the area network link pre-established in control message, to indicate that playback equipment is direct-connected according to this
Link-access address accesses corresponding multi-medium data in storage device.
For example, for video.mp4 this multimedia, which is accessed by direct connected link,
I.e. the multimedia direct connected link access address is http:// 192.168.2.2/video.mp4, then, control device will
http:// 192.168.2.2/video.mp4 carryings are sent to playback equipment in control message, to indicate that playback equipment passes through
http:// 192.168.2.2/video.mp4 accesses this multimedia.
Step 45：Playback equipment needs to be shared by the carrying that the area network link receiving control apparatus pre-established is sent
The control information of multimedia direct connected link access address by direct connected link access address, is directed to storage device initiation
Wait that sharing multimedia multimedia shares request.
During specific implementation, since storage device tool is there are two access address, but when playback equipment is visited by direct connected link
When asking that address accesses storage device, the forwarding of router is needed not move through, therefore transmission rate is not limited be subject to router, is kept away
The influence that wireless router forwarding performance bottleneck is brought is exempted from, so as to improve data throughout, has improved multimedia and share, is more
Shield interactive effect.
Step 46：Storage device receive playback equipment send multimedia share request, and pass through pre-establish it is direct-connected
Chain road direction playback equipment sends multi-medium data.
During specific implementation, since playback equipment also has there are two access address, when storage device is accessed by direct connected link
When address is to playback equipment transmission multi-medium data, the forwarding of router is needed not move through, therefore transmission rate is not route
The limitation of device avoids the influence that wireless router forwarding performance bottleneck is brought, so as to improve data throughout, improves more
Media sharing, the effect of multi-screen interactive.
Step 47：Playback equipment plays multimedia to be shared according to the multi-medium data received.
During specific implementation, playback equipment can be according to multimedia data playing method of the prior art, to by direct-connected
The multi-medium data that link is sent plays out.
It can be seen from the above technical proposal that the embodiment of the present invention is applied to control device, storage device and playback equipment
It is accessed in advance by router in same LAN and direct connected link is pre-established between storage device and playback equipment
The network architecture in, wherein, control device and storage device carry out control information interaction by area network link, control device with
Playback equipment carries out control information interaction still through area network link, and unlike the prior art, the embodiment of the present invention
In playback equipment and storage device multi-medium data interaction is carried out by direct connected link, since direct connected link is from wireless routing
The insufficient constraint of data forwarding performance of the wireless router of device, therefore this of multi-medium data interaction is carried out by direct connected link
Kind mode can break through the bottleneck of the transmission rate of wireless router in family lan, so as to improve multi-medium data transmission
Rate, improves user experience at the problems such as avoiding image interim card and the long period of reservation of number when multimedia is shared.This
Inventive embodiments belong to software solution, and agreement (such as DLNA, IGRS and Miracast) is not shared to existing multimedia
Any modification is carried out, existing multimedia can be compatible with and share scheme, and any HardwareUpgring is not required.
Based on identical technical concept, the embodiment of the present invention also provides a kind of playback equipment for being used to perform the above method,
Fig. 5 shows the structure diagram of playback equipment provided in an embodiment of the present invention, as shown in figure 5, the equipment includes：
Receiving unit 51 needs to be shared for passing through the carrying that the area network link receiving control apparatus pre-established is sent
The control message of multimedia direct connected link access address；It is advance that the direct connected link access address is that the control device passes through
The area network link of foundation sends multimedia direct connected link access list request message to storage device, receives and parses through described deposit
After the response message that storage equipment is sent by the area network link, it is straight to obtain the multimedia being stored in the storage device
One in connected link access list direct connected link access address corresponding with the multimedia to be shared；
For passing through the direct connected link access address, described treat point is directed to storage device initiation for request unit 52
It enjoys multimedia multimedia and shares request, and receive the multi-medium data that the storage device is sent by the direct connected link；
Broadcast unit 53, for the multi-medium data that basis receives, multimedia to be shared described in broadcasting.
Optionally, which further includes：LAN optimization unit, for obtaining counterpart device by device discovery protocol
Area network link access address；The receiving unit 51 is specifically used for：Pass through the area network link access of the control device
Location receives the control message that the control device is sent.
Optionally, which further includes：Direct connected link establishes unit, for working as the direct connected link for wifi direct connected links
When, after the control device, the storage device and the playback equipment access same LAN by router, pass through
The direct-connected scan modes of wifi obtain the identification information of counterpart device；The direct-connected of self identification information is carried to counterpart device transmission
Request for building link is receiving the confirmation message for being used to respond the direct connected link and establishing request of the counterpart device return
Afterwards, the wifi direct connected links between the equipment and the counterpart device are established.
Based on identical technical concept, the embodiment of the present invention also provides a kind of multimedia for being used to perform the above method and shares
System, Fig. 6 show the structure diagram of multimedia share system provided in an embodiment of the present invention, as shown in fig. 6, the system bag
It includes：
Control device 61 sends multimedia direct connected link for passing through the area network link pre-established to storage device 63
Access list request message receives the response message that the storage device 63 is sent by the area network link；Described in parsing
What response message obtained carrying in the response message is stored in the multimedia direct connected link Access Column in the storage device 63
Table；It, will be corresponding with multimedia to be shared straight in the multimedia direct connected link access list for any multimedia to be shared
The carrying of connected link access address is sent to playback equipment 62 in control message by the area network link pre-established；
The playback equipment 62 receives taking for the transmission of control device 61 for passing through the area network link pre-established
With the control information for waiting to share multimedia direct connected link access address；By the direct connected link access address, to
The initiation of storage device 63 waits that sharing multimedia multimedia shares request described in being directed to, and receives the storage device 63
The multi-medium data sent by the direct connected link；According to the multi-medium data received, multimedia to be shared described in broadcasting；
The storage device 63 receives the more of the transmission of control device 61 for passing through the area network link pre-established
Media direct connected link access list request message, and responded local multimedia direct connected link access list carrying is stored in
Message is sent to the control device 61；It receives the multimedia that the playback equipment 62 is sent and shares request, and pass through and build in advance
Vertical direct connected link sends multi-medium data to the playback equipment 62.
Optionally, accessed in the control device 61, the storage device 63 and the playback equipment 62 by router
During same LAN, the control device 61 is specifically used for：Pass through the area network link access address of the storage device 63
Multimedia direct connected link access list request message is sent to the storage device 63；It is received by area network link access address
The response message that the storage device 63 is sent.
The present invention be with reference to according to the method for the embodiment of the present invention, the flow of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that it can be realized by computer program instructions every first-class in flowchart and/or the block diagram
The combination of flow and/or box in journey and/or box and flowchart and/or the block diagram.These computer programs can be provided
Instruct the processor of all-purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices so that
A stream in flow chart can be achieved in the instruction performed by the computer or the processor of other programmable data processing devices
The function of being specified in journey or multiple flows and/or one box of block diagram or multiple boxes.
These computer program instructions, which may also be stored in, can guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works so that the instruction generation being stored in the computer-readable memory includes referring to
Make the manufacture of device, the command device realize in one flow of flow chart or multiple flows and/or one box of block diagram or
The function of being specified in multiple boxes.
These computer program instructions can be also loaded into computer or other programmable data processing devices so that counted
Series of operation steps is performed on calculation machine or other programmable devices to generate computer implemented processing, so as in computer or
The instruction performed on other programmable devices, which provides, to be used to implement in a flow of flow chart or multiple flows and/or block diagram
A box or multiple boxes in specify function the step of.
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then can make these embodiments other change and modification.So appended claims be intended to be construed to include it is excellent
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and scope.In this way, if these modifications and changes of the present invention belongs to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these modification and variations.
Claims (8)
1. a kind of multimedia sharing method, which is characterized in that this method includes：
Playback equipment needs to be shared multimedia straight by the carrying that the area network link receiving control apparatus pre-established is sent
The control message of connected link access address；The direct connected link access address is that the control device passes through the area network link
Multimedia direct connected link access list request message is sent to storage device, the storage device is received and parsed through and passes through the office
After the response message that domain network chain road is sent, the multimedia direct connected link Access Column being stored in the storage device that is obtained
One in table direct connected link access address corresponding with the multimedia to be shared；The multimedia direct connected link access list
Default mark is carried in request message, is used to indicate what storage device was returned according to the default true directional control device of mark
It is multimedia direct connected link access address list or multimedia-LAN link-access address list；
The playback equipment by the direct connected link access address, to storage device initiation be directed to it is described wait to share it is more
The multimedia of media shares request, and receives the multi-medium data that the storage device is sent by the direct connected link；
The playback equipment is according to the multi-medium data received, multimedia to be shared described in broadcasting.
2. the method as described in claim 1, which is characterized in that in the control device, the storage device and the broadcasting
When equipment accesses same LAN by router, specifically include：
The area network link access address of counterpart device is obtained between each equipment by device discovery protocol；
The playback equipment needs to be shared more by the carrying that the area network link reception control device pre-established is sent
The control message of the direct connected link access address of media, specifically includes：
The playback equipment receives the institute of the control device transmission by the area network link access address of the control device
State control message；
The control device sends multimedia direct connected link to the storage device by the area network link pre-established and accesses
List request message specifically includes：
The control device sends multimedia by the area network link access address of the storage device to the storage device
Direct connected link access list request message；
The control device receives the response message that the storage device is sent by the area network link, specifically includes：
The control device receives the response message of the storage device transmission by area network link access address.
3. method as claimed in claim 1 or 2, which is characterized in that when the direct connected link is wifi direct connected links, in institute
It states after control device, the storage device and the playback equipment access same LAN by router, by walking as follows
Suddenly the wifi direct connected links between the storage device and the playback equipment are established：
The identification information of counterpart device is obtained between each equipment by the direct-connected scan modes of wifi；
The direct connected link that any one equipment carries self identification information to counterpart device transmission establishes request, receiving
After the confirmation message for being used to respond the direct connected link foundation request for stating counterpart device return, the equipment and the other side are established
Wifi direct connected links between equipment.
4. a kind of playback equipment, which is characterized in that the equipment includes：
Receiving unit needs to be shared multimedia for passing through the carrying that the area network link receiving control apparatus pre-established is sent
Direct connected link access address control message；The direct connected link access address is the control device by pre-establishing
Area network link sends multimedia direct connected link access list request message to storage device, receives and parses through the storage device
After the response message sent by the area network link, the multimedia direct connected link being stored in the storage device is obtained
One in access list direct connected link access address corresponding with the multimedia to be shared；The multimedia direct connected link is visited
It asks and default mark is carried in list request message, be used to indicate storage device according to the default true directional control device of mark
What is returned is multimedia direct connected link access address list or multimedia-LAN link-access address list；
Request unit for passing through the direct connected link access address, is directed to storage device initiation and described waits to share more matchmakers
The multimedia of body shares request, and receives the multi-medium data that the storage device is sent by the direct connected link；
Broadcast unit, for the multi-medium data that basis receives, multimedia to be shared described in broadcasting.
5. equipment as claimed in claim 4, which is characterized in that the equipment further includes：
LAN optimization unit, for obtaining the area network link access address of counterpart device by device discovery protocol；
The receiving unit is specifically used for：The control device is received by the area network link access address of the control device
The control message sent.
6. equipment as described in claim 4 or 5, which is characterized in that the equipment further includes：
Direct connected link establishes unit, for when the direct connected link is wifi direct connected links, in the control device, described depositing
After storage equipment and the playback equipment access same LAN by router, other side is obtained by the direct-connected scan modes of wifi
The identification information of equipment；The direct connected link that self identification information is carried to counterpart device transmission establishes request, receiving
After the confirmation message for being used to respond the direct connected link foundation request for stating counterpart device return, the equipment and the other side are established
Wifi direct connected links between equipment.
7. a kind of multimedia share system, which is characterized in that the system includes：
Control device sends multimedia direct connected link access list for passing through the area network link pre-established to storage device
Request message receives the response message that the storage device is sent by the area network link；Message is analyzed the response to obtain
The multimedia direct connected link access list being stored in the storage device carried into the response message；It is treated for any
Share multimedia, by direct connected link access address corresponding with multimedia to be shared in the multimedia direct connected link access list
Carrying is sent to playback equipment in control message by the area network link pre-established；The multimedia direct connected link accesses
Default mark is carried in list request message, storage device is used to indicate and is returned according to the default true directional control device of mark
What is returned is multimedia direct connected link access address list or multimedia-LAN link-access address list；
The playback equipment, it is described for passing through carrying for the area network link pre-established the reception control device transmission
Wait the control information for sharing multimedia direct connected link access address；By the direct connected link access address, to the storage
Equipment initiation be directed to it is described wait that sharing multimedia multimedia shares request, and receive the storage device pass through it is described direct-connected
The multi-medium data that link is sent；According to the multi-medium data received, multimedia to be shared described in broadcasting；
The storage device, it is direct-connected for passing through the multimedia of the area network link pre-established the reception control device transmission
Link-access list request message, and local multimedia direct connected link access list will be stored in and carried in response message transmission
To the control device；It receives the multimedia that the playback equipment is sent and shares request, and pass through the direct connected link pre-established
Multi-medium data is sent to the playback equipment.
8. system as claimed in claim 7, which is characterized in that in the control device, the storage device and the broadcasting
When equipment accesses same LAN by router, the control device is specifically used for：
Multimedia direct connected link is sent by the area network link access address of the storage device to the storage device to access
List request message；The response message of the storage device transmission is received by area network link access address.
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| CN201810162470.6A CN108200215A (en) | 2014-11-11 | 2014-11-11 | A kind of multimedia sharing method |
| CN201410632872.XA CN104394127B (en) | 2014-11-11 | 2014-11-11 | A kind of multimedia sharing method, equipment and system |
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| CN201410632872.XA CN104394127B (en) | 2014-11-11 | 2014-11-11 | A kind of multimedia sharing method, equipment and system |
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| CN201810162470.6A Division CN108200215A (en) | 2014-11-11 | 2014-11-11 | A kind of multimedia sharing method |
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| CN104394127B true CN104394127B (en) | 2018-05-25 |
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| CN201810162470.6A Withdrawn CN108200215A (en) | 2014-11-11 | 2014-11-11 | A kind of multimedia sharing method |
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| CN105791123A (en) * | 2016-03-04 | 2016-07-20 | 贵阳海信电子有限公司 | Method for remotely sharing multimedia data, device and system |
| CN105847880A (en) * | 2016-03-29 | 2016-08-10 | 乐视控股（北京）有限公司 | Audio-video sharing method, server and terminal |
| CN107124679A (en) * | 2017-04-27 | 2017-09-01 | 北京小米移动软件有限公司 | The method and apparatus that multimedia file is played |
| JP6914728B2 (en) | 2017-05-26 | 2021-08-04 | キヤノン株式会社 | Communication equipment, communication methods, and programs |
| CN107864467B (en) * | 2017-10-31 | 2021-02-23 | 深圳云知声信息技术有限公司 | Information transmission method and device for improving transmission speed between mobile terminal and equipment |
| KR102531029B1 (en) | 2018-09-18 | 2023-05-10 | 구글 엘엘씨 | Methods, systems and media for presenting media content |
| CN112350981B (en) * | 2019-08-09 | 2022-07-29 | 华为技术有限公司 | Method, device and system for switching communication protocol |
| CN113395575A (en) * | 2020-03-13 | 2021-09-14 | 北京字节跳动网络技术有限公司 | Content sharing method, device and system |
| CN117560357A (en) * | 2022-08-03 | 2024-02-13 | 腾讯科技（深圳）有限公司 | Multimedia resource transmission method and device, electronic equipment and storage medium |
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| CN108200215A (en) | 2018-06-22 |
| CN104394127A (en) | 2015-03-04 |
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