CN108810594A

CN108810594A - Remote screen projection method, device and system

Info

Publication number: CN108810594A
Application number: CN201810421168.8A
Authority: CN
Inventors: 杨羽; 金明
Original assignee: New H3C Technologies Co Ltd
Current assignee: Xinhuasan Intelligent Terminal Co ltd
Priority date: 2018-05-04
Filing date: 2018-05-04
Publication date: 2018-11-13
Anticipated expiration: 2038-05-04
Also published as: CN108810594B

Abstract

The application provides a remote screen projection method, a device and a system, which relate to the field of remote screen projection, and the method is applied to multimedia resource management equipment and comprises the following steps: receiving a search instruction sent by mobile equipment; the search instruction is used for informing the multimedia resource management equipment to search the multimedia resource playing equipment in the local area network; determining target multimedia resource playing equipment from at least one searched multimedia resource playing equipment according to the searching instruction and a mapping relation between the mobile equipment and the target multimedia resource playing equipment which is established in advance; and controlling the target multimedia resource playing equipment to play the multimedia resource. By the method, the mobile equipment can control the multimedia resource playing equipment to remotely cast the screen when the mobile equipment and the multimedia resource playing equipment are not in the same local area network.

Description

It is a kind of remotely to throw screen method, apparatus and system

Technical field

This application involves remote control technology fields, shield method and device in particular to a kind of long-range throw.

Background technology

Digital Life Network Alliance (DIGITAL LIVING NETWORK ALLIANCE, DLNA) technology can realize by The multimedia resource that terminal device is accessed or played is launched into multimedia resource playback equipment, to realize multimedia resource It is shared.

Currently, being commonly equipped with the mainstreams such as the mobile device of integrated DLNA technologies, smart television and family's cloud disk in family Electronic equipment.In life, user is typically based on the mainstream electronic equipment being equipped in family and realizes multimedia resource in the family altogether It enjoys, increases the joy of life.During above-mentioned multimedia resource is shared in the family, since DLNA technologies are a kind of are based on together The agreement (namely SSDP association) of one LAN, therefore, when shared, user is firstly the need of by mobile device, smart television and family Front yard cloud disk is all connected in same LAN, and user can access family's cloud by the family cloud disk APP in mobile device later Multimedia resource on disk, and the multimedia resource in the multimedia server played in mobile device is thrown into screen and is provided to multimedia In the playback equipment of source, final realize shares above-mentioned multimedia resource in the family, and the user experience is improved.

But during above-mentioned multimedia resource is shared, it is desirable that integrate mobile device, the intelligence of DLNA technologies in family TV and family's cloud disk are in same LAN.During if user stays out so that mobile device and smart television and family's cloud Disk not in same LAN, then, mobile device just can not be based on SSDP protocol discoveries and control multimedia resource broadcasting set It is standby, multimedia resource also can not be just controlled by mobile device to the throwing screen in multimedia resource playback equipment.

Invention content

In view of this, a kind of remotely throw that be designed to provide of the embodiment of the present application shields method, apparatus and system, Neng Goushi When present mobile device is not at same LAN with multimedia resource playback equipment, mobile device can also control multimedia money Source playback equipment remotely throws the purpose of screen.

In a first aspect, the embodiment of the present application provides a kind of long-range throwing screen method, it is applied to multimedia resource management equipment, Including：

Receive the search instruction that mobile device is sent；Described search is instructed for notifying the multimedia resource management equipment Multimedia resource playback equipment in the residing LAN of search；

The mobile device for instructing and pre-establishing according to described search and destination multimedia resource playback equipment Mapping relations determine that the destination multimedia resource broadcasting is set from least one multimedia resource playback equipment searched It is standby；

It controls the destination multimedia resource playback equipment and carries out multimedia resource broadcasting.

Second aspect, the embodiment of the present application also provides a kind of long-range throwing screen methods, including：

Mobile device sends search instruction to multimedia resource management equipment；Described search is instructed for notifying more matchmakers Multimedia resource playback equipment in the residing LAN of body asset management device search；

The mobile device and mesh that the multimedia resource management equipment is instructed and pre-established according to described search The mapping relations for marking multimedia resource playback equipment, from least one multimedia resource playback equipment searched described in determination Destination multimedia resource playback equipment；

The multimedia resource management equipment controls the destination multimedia resource playback equipment progress multimedia resource and broadcasts It puts.

The third aspect, the embodiment of the present application provide a kind of long-range throwing screen device, including：

Receiving module, the search instruction for receiving mobile device transmission；Described search is instructed for notifying multimedia to provide Multimedia resource playback equipment in the residing LAN of source control equipment search；

Determining module, the mobile device for instructing and pre-establishing according to described search are provided with destination multimedia The mapping relations of source playback equipment determine the destination multimedia from least one multimedia resource playback equipment searched Resource playback equipment；

Control module carries out multimedia resource broadcasting for controlling the destination multimedia resource playback equipment.

Fourth aspect, the embodiment of the present application provide a kind of long-range throwing screen system, including：Mobile device, multimedia resource Management equipment and multimedia resource playback equipment；

The mobile device, for sending search instruction to multimedia resource management equipment；Described search is instructed for leading to Know the multimedia resource playback equipment in the residing LAN of multimedia resource management equipment search；

The multimedia resource management equipment, the mobile device for instructing and pre-establishing according to described search With the mapping relations of destination multimedia resource playback equipment, determined from least one multimedia resource playback equipment searched The destination multimedia resource playback equipment；

The multimedia resource management equipment is additionally operable to control the destination multimedia resource playback equipment progress multimedia Resource plays.

A kind of long-range throw provided by the embodiments of the present application shields method, apparatus and system, and multimedia is controlled using mobile device Asset management device searches for the multimedia resource playback equipment in LAN residing for the multimedia resource management equipment, by more matchmakers Body asset management device selects a destination multimedia resource to broadcast from least one multimedia resource playback equipment searched Equipment is put to carry out multimedia resource broadcasting.Above process mobile device directly controls multimedia resource management equipment, and by more Managing medium resource equipment directly controls multimedia resource playback equipment, and directly controlling multimedia resource without mobile device plays Equipment, which achieves when mobile device and multimedia resource playback equipment are not at same LAN, mobile device also may be used To control the purpose that multimedia resource playback equipment remotely throws screen.

To enable the above objects, features, and advantages of the application to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate Appended attached drawing, is described in detail below.

Description of the drawings

It, below will be to needed in the embodiment attached in order to illustrate more clearly of the technical solution of the embodiment of the present application Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other relevant attached drawings.

Fig. 1 shows the structural schematic diagram for the long-range application scenarios for throwing screen method that the embodiment of the present application is provided.

Fig. 2 shows a kind of flow charts for long-range throwing screen method that the embodiment of the present application is provided.

Fig. 3 shows the long-range flow chart for throwing screen method of another kind that the embodiment of the present application is provided.

Fig. 4 shows the long-range flow chart for throwing screen method of another kind that the embodiment of the present application is provided.

Fig. 5 shows the long-range flow chart for throwing screen method of another kind that the embodiment of the present application is provided.

Fig. 6 shows the long-range flow chart for throwing screen method of another kind that the embodiment of the present application is provided.

Fig. 7 shows the long-range flow chart for throwing screen method of another kind that the embodiment of the present application is provided.

Fig. 8 shows a kind of application scenarios schematic diagram for long-range throwing screen method that the embodiment of the present application is provided.

Fig. 9 shows a kind of structural schematic diagram for long-range throwing screen device that the embodiment of the present application is provided.

Figure 10 shows the structural schematic diagram for the computer equipment 40 that one embodiment of the application is provided.

Specific implementation mode

To keep the purpose, technical scheme and advantage of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application Middle attached drawing, technical solutions in the embodiments of the present application are clearly and completely described, it is clear that described embodiment is only It is some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is real Applying the component of example can be arranged and designed with a variety of different configurations.Therefore, below to the application's for providing in the accompanying drawings The detailed description of embodiment is not intended to limit claimed scope of the present application, but is merely representative of the selected reality of the application Apply example.Based on embodiments herein, institute that those skilled in the art are obtained without making creative work There is other embodiment, shall fall in the protection scope of this application.

Fig. 1 and Fig. 9 respectively illustrates a kind of structure of the application scenarios of long-range throwing screen method provided by the embodiments of the present application Schematic diagram.As shown in Figure 1, including mobile device 10, multimedia resource management equipment 20 and multimedia resource playback equipment 30.Its In, it is integrated with DLNA technologies, and two in above-mentioned multimedia resource management equipment 20 and above-mentioned multimedia resource playback equipment 30 Person accesses same LAN in advance；It is equipped in advance in above-mentioned mobile device 10 for accessing multimedia resource management equipment 20 Cell phone software (Application, APP), the mobile device 10 can pass through the APP access control multimedia resource managements of installation Equipment 20.Here, mobile device 10 can pass through the APP access control multimedia resource managements of installation after access to LAN Equipment 20, can also (2-Generation wireless telephone technology, second generation mobile phone be logical in connection 2G Believe technical specification), 3G (3rd-Generation, 3rd generation mobile communication technology), 4G (the 4th Generation Mobile communication technology, fourth generation mobile communication technology) or 5G (5th-Generation, the 5th Third-generation mobile communication technology) after network, pass through the APP access control multimedia resource managements equipment 20 of installation.

Here, the LAN that mobile device 10 is accessed is set with multimedia resource management equipment 20 and multimedia resource broadcasting The standby 30 LAN differences accessed, in order to distinguish above-mentioned two LAN, by multimedia resource management equipment 20 and multimedia The LAN that resource playback equipment 30 accesses is as the first LAN, and the LAN that mobile device 10 is accessed is as the second local Net.

Wherein, above-mentioned multimedia resource playback equipment 30 is for playing the multimedia resource obtained from home network Equipment can be for supporting Digital Life Network Alliance (DIGITAL LIVING NETWORK ALLIANCE, DLNA) here People's computer ((personal computer), PC), smart television, Intelligent mobile equipment (such as smart mobile phone, tablet computer) Deng.

Above-mentioned multimedia resource management equipment 20 can store the storage device of multimedia resource, can be to pass through here LAN is accessed the storage device of multimedia resource, such as family's cloud disk.

Above-mentioned mobile device 10 is for coordinating between multimedia resource playback equipment 30 and multimedia resource management equipment 20 Action, can be Intelligent mobile equipment, such as smart mobile phone, tablet computer here.

With mobile device 10 it is smart mobile phone A, with multimedia resource pipe in following example for the ease of following the description Reason equipment 20 is family cloud disk B, is illustrated so that multimedia resource playback equipment 30 is smart television C as an example.

As shown in figure 9, if there is family cloud disk B wireless routing function, family cloud disk B to start wireless WiFi (WIreless- Fidelity, Wireless Fidelity), broadcast the service set (Service Set Identifier, SSID) of itself, smart television C searches for the SSID of family cloud disk B, and is accessed in the wireless WiFi of family cloud disk B by the SSID, same with family cloud disk B accesses In one LAN (accessing the first LAN).If family cloud disk B does not have wireless routing function, family cloud disk B and smart television C It is all connected with the wireless WiFi of same router, to access in same LAN (accessing the first LAN).

And the second LAN can be accessed in above-mentioned smart mobile phone A in advance, then pass through preassembled family's cloud disk B's APP access controls family cloud disk B.Alternatively, mobile device 10 can connect 2G/3G/4G/5G networks in advance, then pass through installation APP access controls family cloud disk B.

As shown in Fig. 2, for the long-range throwing screen method of one kind that the application first embodiment provides, it is applied to multimedia resource pipe Equipment 20 is managed, the method includes：

S101, the search instruction that mobile device is sent is received；Described search is instructed for notifying the multimedia resource pipe Manage the multimedia resource playback equipment in the residing LAN of equipment search.

In the embodiment of the present application, after user triggers throwing screen on the mobile apparatus, mobile device is first to multimedia resource pipe It manages the corresponding third-party server of equipment and sends search instruction, above-mentioned third-party server, will after receiving the search instruction The search instruction is transmitted to the multimedia resource management equipment bound on the APP of user on the mobile apparatus, which uses The multimedia resource in LAN residing for the multimedia resource management equipment is searched in notice multimedia resource management equipment to play Equipment.

Here, user can trigger throwing screen when mobile device is carrying out multimedia resource broadcasting, can also be in movement Multimedia resource is selected in equipment and carries out triggering throwing screen.

S102, the mobile device and destination multimedia the resource broadcasting for instructing and pre-establishing according to described search are set Standby mapping relations determine that the destination multimedia resource plays from least one multimedia resource playback equipment searched Equipment.

Here, multimedia resource management equipment is based on SSDP after the search instruction for receiving third-party server forwarding Agreement broadcast playback equipment search information (namely searching request message) in the first LAN, for searching in the first LAN Multimedia resource playback equipment.

In the embodiment of the present application, multimedia resource playback equipment in the first LAN is searched receiving above-mentioned playback equipment After rope information, the playback equipment information of itself can be returned to multimedia resource management equipment, if multimedia resource management equipment connects The playback equipment information from least one multimedia resource playback equipment is received, then according to the playback equipment information and in advance The mapping relations of the mobile device and the destination multimedia resource playback equipment first established, from least one more matchmakers Destination multimedia resource playback equipment is determined in body resource playback equipment, and controls destination multimedia resource playback equipment progress Multimedia resource plays.

In the embodiment of the present application, screen, mobile device and destination multimedia resource playback equipment are thrown for the first time of user Mapping relations can be pre-configured, can also be the destination multimedia resource selected on the mobile apparatus based on user What playback equipment was established.Screen, the mapping of mobile device and destination multimedia resource playback equipment are thrown for the non-first time of user Relationship is safeguarded based on preceding primary throwing screen result.

In the embodiment of the present application, the throwing screen number information of user, more matchmakers are carried in the search instruction that mobile device is sent Body asset management device can determine whether user is for the first time according to the throwing screen number information of the user carried in search instruction Throw screen.

Here, if multimedia resource management equipment does not receive multimedia resource in preset time span, broadcasting is set The standby playback equipment information for playback equipment search information returned, it is determined that search time-out, at this moment, multimedia resource management Equipment can send response message to mobile device, and the response message is for prompting mobile device not find available multimedia resource Playback equipment.

S103, the control destination multimedia resource playback equipment carry out multimedia resource broadcasting.

In the embodiment of the present application, for user when first time throwing screen, a target of multimedia resource management equipment selection is more The method of media resource plays equipment is different, which receives throwing screen information and use from mobile device It is also different that the multimedia resource identification information opportunity played is wanted at family.It is selected on the mobile apparatus based on user corresponding to above-mentioned The method that destination multimedia resource playback equipment establishes mapping relations, user after selection target multimedia resource playback equipment, Mobile device can send selection instruction to multimedia resource management equipment, and the selection instruction carries throwing screen information and user wants The multimedia resource identification information of broadcasting.The search instruction sent corresponding to above-mentioned preconfigured mapping relations, mobile device In just carry throw screen information and user want play multimedia resource identification information.

It is closed alternatively, establishing mapping in the above-mentioned destination multimedia resource playback equipment selected on the mobile apparatus based on user In the method for system, above-mentioned throwing screen information is directly carried in the search instruction that mobile device is sent and user wants the more matchmakers played Body resource identification information.

Multimedia resource management equipment is controlled according to screen information and the desired multimedia resource identification information played of user is thrown The destination multimedia resource playback equipment plays multimedia resource corresponding to the multimedia resource identification information.

As shown in figure 3, the first time for user throws screen, it is based on user's selection target multimedia resource playback equipment, is built The method of vertical mobile device and the mapping relations of destination multimedia resource playback equipment, including：

S201, the playback equipment information for returning at least one of described LAN multimedia resource playback equipment are sent To the mobile device.

Here, playback equipment information can for uniform resource locator (Uniform Resource Locator, URL) Location, or implementor name.In order to be more convenient for, user selects, and implementor name is used in the embodiment of the present application.

In specific implementation mode, searching request that playback equipment information that multimedia resource management equipment receives is broadcasted First response message of message, a location field is carried in first response message, which includes root The addresses URL of equipment description；Wherein, above-mentioned root device refers to returning the multimedia resource playback equipment of the first response message.

Multimedia resource management equipment parses after the first response message for receiving the return of multimedia resource playback equipment First response message obtains the addresses URL of root device description, then uses the URL Address requests in first response message The equipment of multimedia resource playback equipment describes document, and multimedia resource playback equipment then responds the request, to multimedia resource Management equipment returns to the second response message, and the equipment that XML form is carried in second response message describes document；

Multimedia resource management equipment parses second response message after having successfully received the second response message, obtain this second Equipment describes document in response message, which describes document and include：The implementor name of multimedia resource playback equipment, multimedia money The service that source playback equipment is supported obtains the addresses URL of the service description document of some service and controls some service It controls the addresses URL (i.e. the addresses ControlURL).

Multimedia resource management equipment is after obtaining equipment and describing document, by the equipment of these multimedia resource playback equipments Name is sent to the mobile device, so that user selects multimedia resource playback equipment on the mobile apparatus.

S202, the selection instruction that the mobile device is sent based on the playback equipment information, the selection instruction are received Including the mobile device from least one multimedia resource playback equipment selection target multimedia resource playback equipment Instruction.

Here, mobile device receives and shows the multimedia resource playback equipment that multimedia resource management equipment searches Implementor name is selected by user from these implementor names, and after user selects one of implementor name, mobile device sets this The selection instruction of standby name is sent to multimedia resource management equipment, and the multimedia that multimedia resource management equipment selects user provides Source playback equipment is determined as the destination multimedia resource playback equipment.

In specific implementation mode, the destination multimedia resource playback equipment that user selects can be one, or more It is a.

S203, it is based on the selection instruction, establishes the mobile device and the destination multimedia resource playback equipment Mapping relations.

Here, after user has selected destination multimedia resource playback equipment, record destination multimedia resource broadcasting is set Standby playback equipment information, and establish reflecting between mobile device and the playback equipment information of destination multimedia resource playback equipment Relationship is penetrated, in this way, multimedia resource management equipment is set in the broadcasting for receiving at least one multimedia resource playback equipment return After standby information, according to the mapping relations between mobile device and the playback equipment information of destination multimedia resource playback equipment, from Destination multimedia resource playback equipment is determined at least one multimedia resource playback equipment, and controls the destination multimedia Resource playback equipment carries out multimedia resource broadcasting.

It is required in the method that user carries out selection in view of throwing screen every time, if office residing for multimedia resource management equipment Available multimedia resource playback equipment does not change in the net of domain, throw every time screen be required for reselecting can be brought to user it is numerous Trivial operating experience.Based on this, the method further includes：

Record the normal play facility information of the destination multimedia resource playback equipment.

Here, more when user throws screen for the first time or when user throws screen using the multimedia resource playback equipment replaced Managing medium resource equipment can safeguard the normal play facility information of currently used current multimedia resource playback equipment, in this way It is selected again without user when user throws screen next time, you can directly control destination multimedia resource playback equipment and throw screen. Here, the quantity of the destination multimedia resource playback equipment of maintenance and the last number for throwing the multimedia play equipment that the when of shielding uses It measures identical.

In specific implementation mode, multimedia resource management equipment, will after receiving the selection instruction from mobile device The normal play facility information of the destination multimedia resource playback equipment of the selection instruction selection is stored.

After the normal play facility information of multimedia resource management plant maintenance destination multimedia resource playback equipment, If receiving user again to instruct by the throwing screen that mobile device is sent, multimedia resource management equipment can refer to according to screen is thrown The throwing screen number information of the user carried in order determines that current and non-user throws screen for the first time, and at this moment, multimedia resource management is set Standby to be instructed according to above-mentioned throwing screen, broadcast playback equipment searches for information, later, the target based on maintenance in residing LAN The normal play facility information of multimedia resource playback equipment is automatically selected from least one more matchmakers for returning to playback equipment information Destination multimedia resource playback equipment is determined in body resource playback equipment.

Here, user throws in the corresponding throwing screen instruction of screen and carries the throwing screen number information of user, again for notifying State the notification information of the multimedia resource playback equipment in the residing LAN of multimedia resource management equipment search, throw screen information, Multimedia resource identification information (i.e. multimedia resource address) and broadcasting progress information.

As shown in figure 4, described according to the playback equipment information and the mobile device pre-established and the mesh The mapping relations for marking multimedia resource playback equipment determine the more matchmakers of target from least one multimedia resource playback equipment Body resource playback equipment further includes：

S301, the broadcasting that information is searched for for the playback equipment for returning at least one multimedia resource playback equipment Facility information is compared with the normal play facility information of record.

If in the playback equipment information that S302, at least one multimedia resource playback equipment return, exist with it is described The identical target playback equipment information of normal play facility information, it is determined that the corresponding multimedia money of the target playback equipment information Source playback equipment is destination multimedia resource playback equipment.

Here, for multimedia resource management equipment after receiving the selection instruction of mobile device, record safeguards user's selection The normal play facility information (such as implementor name of the destination multimedia resource playback equipment) of destination multimedia resource playback equipment, When user throws screen next time, the available multimedia resource broadcasting that multimedia resource management equipment is searched in the LAN is set It is standby, the playback equipment information that available multimedia resource playback equipment returns is received, by the playback equipment information of return and maintenance Normal play facility information be compared, if there are the broadcastings of destination multimedia resource in available multimedia resource playback equipment Equipment, then multimedia resource management equipment, which can directly control destination multimedia resource playback equipment and carry out multimedia resource, broadcasts It plays, does not need user and select again.

In the embodiment of the present application, multimedia resource management equipment safeguards whether user is for the first time by the APP of itself Screen is thrown, after APP startups, the first time triggering of user throws the first time that screen button is exactly user and throws screen, and screen is thrown in first time In the process, multimedia resource management equipment can return to the equipment list of file names of multimedia resource playback equipment, to supply user's choosing It selects and throws the destination multimedia resource playback equipment that screen uses, meanwhile, multimedia resource management equipment can safeguard the mesh of user's selection Mark the playback equipment information of multimedia resource playback equipment；If the APP being currently up is not exited, user triggers throwing again Shield button, throwing screen process at this moment is then not necessarily to the destination multimedia resource playback equipment that user selects throwing screen to use again.

User is after first throws screen, if the user desired that replacing the destination multimedia resource playback equipment for throwing screen, user The destination multimedia resource playback equipment replaced and throw screen can be triggered on APP.Here, user replaces the destination multimedia for throwing screen The process of throwing screen is identical for the first time with user for the process of resource playback equipment, and detailed process is as follows, and user clicks APP upslide screen controls " replace and throw screen equipment " button in interface processed, mobile terminal send replacement throwing screen equipment to multimedia resource management equipment and refer to It enables, after multimedia resource management equipment receives replacement throwing screen equipment instruction, searches for available multimedia resource in residing LAN Playback equipment, then by available multimedia resource playback equipment return playback equipment information be sent to mobile terminal, by with Family is selected, after user has selected the multimedia resource playback equipment replaced, multimedia resource playback equipment to safeguard replacement Multimedia resource playback equipment normal play facility information.Here, multimedia resource management equipment can be replaced safeguarding Before the normal play facility information of multimedia resource playback equipment afterwards, deletes the destination multimedia resource formerly safeguarded and play The normal play facility information of equipment；The normal play facility information of the multimedia resource playback equipment after replacement can also be passed through Cover the normal play facility information for the destination multimedia resource playback equipment formerly safeguarded.

It is safeguarded by the normal play facility information of the destination multimedia resource playback equipment after selecting user, When user throws screen next time, the destination multimedia resource broadcasting for throwing screen can be automatically selected based on the normal play facility information of maintenance Equipment selects without user, eliminates the troublesome operation of user, the user experience is improved again.

When user throws screen for the first time, throwing screen information is also carried in the selection instruction that mobile device is sent and needs pass through The multimedia resource identification information for the multimedia resource that the multimedia resource playback equipment plays, by above-mentioned throwing screen information and Multimedia resource identification information shields to make multimedia resource management equipment control targe multimedia resource playback equipment throw, such as Fig. 5 Shown, step 103, the control destination multimedia resource playback equipment carries out multimedia resource broadcasting, including：

S401, according to the throwing screen information and the multimedia resource identification information carried in the selection instruction, to The destination multimedia resource playback equipment, which is sent, plays control instruction.

In the embodiment of the present application, multimedia resource management equipment receive mobile device transmission selection instruction after, from Equipment belonging to the implementor name of selection instruction selection describes to search the service describing for throwing screen service and the throwing screen service in document The addresses URL of document are gone to ask corresponding to throwing screen service to the addresses URL of the service description document of the throwing screen service later Service description document, multimedia resource playback equipment by throw screen service description document return in xml format.

The parsing of multimedia resource management equipment throws screen service description document acquisition throwing screen and services supported control operation, than As setting to throw the multimedia resource uniform resource identifier (Uniform Resource Identifier, URI) of screen, broadcasting, Pause terminates to throw function (i.e. action) and parameter defined in the basic operations such as screen and F.F..

After multimedia resource management equipment receives selection instruction, according to the throwing screen information carried in selection instruction and institute State multimedia resource identification information assembling control message, wherein the type of action is SetAVTransportURI, parameter CurrentURI is the multimedia resource URI of screen to be thrown, after assembling plays control message (playing control instruction) content, to mesh The corresponding addresses ControlURL of screen service of throwing for marking multimedia resource playback equipment send broadcasting control instruction.

S402, it is identified in the multimedia resource that carries for receiving the destination multimedia resource playback equipment transmission After the multimedia resource request message of information, the multimedia resource corresponding with the multimedia resource identification information of storage is returned Back to the destination multimedia resource playback equipment, so that the destination multimedia resource playback equipment plays the multimedia money The corresponding multimedia resource of source identification information.

In the embodiment of the present application, after the parsing of destination multimedia resource playback equipment plays control instruction, first provided to multimedia Source control equipment, which returns to throw, shields successful third response message, and then destination multimedia resource playback equipment passes through Hyper text transfer Agreement (HTTP, HyperText Transfer Protocol) downloads CurrentURI to multimedia resource management device request Corresponding multimedia resource, multimedia resource management equipment is by the more matchmakers corresponding with the multimedia resource identification information of storage Body resource returns to the destination multimedia resource playback equipment, which is receiving request After multimedia resource, that is, start to play the multimedia resource that destination multimedia resource playback equipment returns.

If destination multimedia asset management device receives the throwing screen success third response of destination multimedia resource playback equipment After message, then the first notification message is returned to mobile device, which shields successfully for information mobile device throwing.If After destination multimedia resource playback equipment returns to the 4th response message for throwing screen control failure, then it is logical to return to second to mobile device Know message, which throws screen failure for information mobile device, which is thrown by presentation user shields Failure signal language information mobile device throws screen failure.

In the embodiment of the present application, it after user has selected destination multimedia resource playback equipment in slave mobile device, moves Dynamic equipment enters control and throws screen interface, and user is operated by different control, and mobile device, which is sent, throws screen control message to family Cloud disk B, throwing screen control message here can also control the pause of multimedia resource, beginning, terminate to throw screen, F.F., replace and throw The operations such as screen equipment.In the embodiment of the present application, pause starts, terminates to throw screen, F.F., replaces mistake when throwing the operations such as screen equipment Journey is similar with screen control process is thrown；Wherein, suspend, start, terminating to throw screen, the action corresponding to F.F. be respectively pause, play、stop、seek。

In long-range throwing screen method provided by the embodiments of the present application, the selection instruction also carries the multimedia resource mark Know the playback progress information of the corresponding multimedia resource of information；The step 402 is broadcast receiving the destination multimedia resource After the multimedia resource request message for carrying the multimedia resource identification information for putting equipment transmission, further include：

The playback progress information of the multimedia resource corresponding to multimedia resource identification information is sent to the target Multimedia resource playback equipment, so that the destination multimedia resource playback equipment is according to described in playback progress information broadcasting Multimedia resource corresponding to multimedia resource identification information.

Here, multimedia resource management equipment to destination multimedia resource playback equipment send multimedia resource broadcasting into The multimedia resource corresponding with the multimedia resource identification information of storage " it is more can be returned to the target by degree information It is sent before or after media resource plays equipment ", with step " storage can also be identified with the multimedia resource and believed Cease corresponding multimedia resource and return to the destination multimedia resource playback equipment " it sends together, destination multimedia resource is broadcast Equipment is put after getting the playback progress information of multimedia resource and the multimedia resource, according to the playback progress information Play multimedia resource corresponding to the multimedia resource identification information.

As shown in fig. 6, in the embodiment of the present application, being set to allow mobile device to understand the broadcasting of destination multimedia resource in real time Standby broadcast state, step 103, the control destination multimedia resource playback equipment carry out multimedia resource and play it Afterwards, further include：

S501, the broadcast state letter for receiving the multimedia resource that the destination multimedia resource playback equipment is sent Breath.

Here, the broadcast state information of multimedia resource can be playing progress rate, playing duration and broadcasting clarity etc..

S502, the broadcast state information of the multimedia resource is transmitted to the mobile device, so that the movement is set The standby broadcast state information for showing the multimedia resource.

In the embodiment of the present application, multimedia resource playback equipment plays multimedia money corresponding to multimedia resource identification information When source, current broadcasting situation can be sent to multimedia resource management equipment, multimedia resource management equipment receives and parses through Current broadcasting situation, and current broadcasting situation is transmitted to mobile device, so as to mobile device broadcasting multimedia resource To one's heart's content condition, which is presented to the user, sees.In this way, even if mobile device does not play multimedia money corresponding to multimedia resource identification information Source, user still can understand the currently playing situation of destination multimedia resource playback equipment in real time by mobile device, be promoted User experience.

A kind of long-range throwing screen method provided by the embodiments of the present application, multimedia resource management equipment is controlled using mobile device It searches for the multimedia resource playback equipment in LAN residing for the multimedia resource management equipment, is set by multimedia resource management For from least one multimedia resource playback equipment searched, a destination multimedia resource playback equipment is selected to carry out Multimedia resource plays.Above process mobile device directly controls multimedia resource management equipment, and by multimedia resource management Equipment directly controls multimedia resource playback equipment, and multimedia resource playback equipment is directly controlled without mobile device, this is just real Show when mobile device and multimedia resource playback equipment are not at same LAN, mobile device can also control multimedia Resource playback equipment remotely throws the purpose of screen.

As shown in fig. 7, a kind of long-range throwing screen method is additionally provided for the application second embodiment, including：

S601, mobile device send search instruction to multimedia resource management equipment；Described search is instructed for notifying State the multimedia resource playback equipment in the residing LAN of multimedia resource management equipment search；

The mobile device that S602, the multimedia resource management equipment are instructed and pre-established according to described search With the mapping relations of destination multimedia resource playback equipment, determined from least one multimedia resource playback equipment searched The destination multimedia resource playback equipment.

S603, the multimedia resource management equipment control the destination multimedia resource playback equipment and carry out multimedia money Source plays.

3rd embodiment combination Fig. 8 of the application is illustrated to remotely throwing screen method, wherein with mobile device 10 is intelligence Energy mobile phone A, using multimedia resource management equipment as family cloud disk B, family cloud disk B here has wireless routing function, with more For media resource plays equipment is smart television C, detailed process is as follows：

1, the wireless WiFi of smart television C connections family cloud disk B, smart television C and family cloud disk B are in same LAN It is interior.

2, the DLNA functions of family cloud disk B and smart television C are opened, smart mobile phone A logs in the APP of family cloud disk B, and leads to It crosses APP and accesses the multimedia resource stored in family cloud disk B.

3, smart mobile phone A sends the smart television C in the residing LAN of search instruction notice family cloud disk B search, family After cloud disk B receives search instruction, SSDP protocol broadcast searching request messages are based on, smart television C receives the search of family cloud disk B After request message, the first response message is returned to family cloud disk B, a location field is carried in first response message, The field includes the addresses URL of root device description, and equipment here refers to returning the smart television C of the first response message.Family If front yard cloud disk B is not received by the first response message in preset time span, search time-out, at this moment, family cloud disk B are determined Notice smart mobile phone A does not have found that available devices prompt.

4, after family's cloud disk B receives the first response message of smart television C, the addresses URL in the first response message are used The equipment of request smart television C describes document, and smart television C responds the request and returns to the second response message to family cloud disk B, The equipment that XML form is carried in second response message describes document.

5, family's cloud disk B receives the second response message and the equipment parsed in second response message describes document, wherein Equipment describes the implementor name that document includes smart television C, the service that smart television C is supported, the service for obtaining some service is retouched It states the addresses URL of document and controls the addresses ControlURL of some service.Then family's cloud disk B setting smart television C Standby name returns to smart mobile phone A, and smart mobile phone A, which is presented to the user, to be seen, user is selected by smart mobile phone A from multiple equipment name Intelligent target TV C.

6, after family's cloud disk B receives the selection instruction of smart mobile phone A, the Intelligent target TV that is selected according to selection instruction The implementor name of C inquires the matched screen of throwing of the implementor name and services and throw the addresses URL that screen services corresponding service description document, Then shield corresponding to service to the throwing for throwing the URL Address requests Intelligent target TVs C for shielding the corresponding service description document of service Service description document, smart television C will throw screen service description document and return in xml format.

7, family's cloud disk B parsings throw screen service description document acquisition throwing screen and service supported control operation, for example are arranged The multimedia resource URI of screen is thrown, is played, pause terminates to throw and shield, action and parameter defined in the basic operations such as F.F..

8, throwing screen information and multimedia resource identification information are carried in the selection instruction of smart mobile phone A, are referred to according to selection The throwing screen information carried in order and multimedia resource identification information assembling control message, wherein the type of action It is the multimedia resource URI of screen to be thrown for SetAVTransportURI, parameter CurrentURI, assembling plays control message (i.e. Play control instruction) after content, the ControlURL address corresponding to the throwing screen service of destination multimedia resource playback equipment It sends and plays control instruction, first return to throw to family cloud disk B after smart television C parsing broadcasting control instructions and shield successfully third response Message, then smart television C ask to download the corresponding multimedia resources of CurrentURI to family cloud disk B by HTTP, to Start to play the multimedia resource that family cloud disk B is returned on smart television C.Family cloud disk B receives the throwing screen success of smart television C After response message, the A throwings of notice smart mobile phone are shielded successfully, if smart television C, which is returned, throws screen control failure, family cloud disk B notifies intelligence Energy mobile phone A throws screen control failure, presentation user's throwing screen failure signal language.

9, for family's cloud disk B after the selection instruction for receiving smart mobile phone A, notice family cloud disk B records safeguard intelligence electricity Depending on C, then smart mobile phone A, which enters to control, throws screen interface, and user is operated by different control, and smart mobile phone A sends throwing screen control Message processed gives family cloud disk B, throws screen control message and includes pause, starts, terminate to throw screen, F.F., replace and throw the operations such as screen equipment When, wherein pause, the action for starting, terminating to throw corresponding to screen, F.F. are pause, play, stop, seek respectively.

10, after family's cloud disk B receives the message of user's selection target smart television C, record safeguards Intelligent target TV C's Relevant information, when user throws screen next time, available smart television C near family cloud disk B search, by search result and maintenance The playback equipment information of smart television C is compared, and if there is Intelligent target TV C, then directly controls Intelligent target electricity It throws and shields depending on C, do not need user and select again, if the user desired that replacing the equipment for throwing screen, click and throw in screen control interface " more Change and throw screen equipment ", after family cloud disk B receives replacement throwing screen equipment message, searches for available smart television C nearby and selected to user It selects.

11, after smart television C plays multimedia resource, can current broadcasting situation be sent to family cloud disk B, family in real time Front yard cloud disk B is transmitted to smart mobile phone A after receiving parsing, and smart mobile phone A is presented to user and sees.

By above-mentioned long-range throwing screen method, same LAN is not in mobile device and multimedia resource playback equipment When, mobile device can also control the purpose that multimedia resource playback equipment remotely throws screen.

As shown in figure 9, a kind of long-range throwing screen device is additionally provided for the application 3rd embodiment, for executing above-mentioned first Long-range throwing screen method in embodiment, described device include：

Receiving module 11, the search instruction for receiving mobile device transmission；Described search is instructed for notifying multimedia Multimedia resource playback equipment in the residing LAN of asset management device search；

Determining module 12, the mobile device and destination multimedia for instructing and pre-establishing according to described search The mapping relations of resource playback equipment determine the more matchmakers of target from least one multimedia resource playback equipment searched Body resource playback equipment；

Control module 13 carries out multimedia resource broadcasting for controlling the destination multimedia resource playback equipment.

Optionally, long-range throwing screen device provided by the embodiments of the present application, determining module 13 are specifically used for：

It is instructed based on described search, playback equipment is sent in residing LAN and searches for information；

Receive being searched for the playback equipment at least one of described LAN multimedia resource playback equipment return The playback equipment information of rope information；

It is broadcast with the destination multimedia resource according to the playback equipment information and the mobile device pre-established The mapping relations for putting equipment determine that destination multimedia resource broadcasting is set from least one multimedia resource playback equipment It is standby.

Optionally, long-range throwing screen device provided by the embodiments of the present application further includes：

Sending module, the playback equipment for returning at least one of described LAN multimedia resource playback equipment Information is sent to the mobile device；

The receiving module, is additionally operable to receive the selection that the mobile device is sent based on the playback equipment information and refers to It enables, the selection instruction includes the mobile device more matchmakers of selection target from least one multimedia resource playback equipment The instruction of body resource playback equipment；

Module is established, for being based on the selection instruction, the mobile device is established and is broadcast with the destination multimedia resource Put the mapping relations of equipment.

Logging modle, the normal play facility information for recording the destination multimedia resource playback equipment；

The determining module 13, is specifically used for：

The playback equipment that information is searched for for the playback equipment that at least one multimedia resource playback equipment is returned Information is compared with the target playback equipment information of record；

If in the playback equipment information that at least one multimedia resource playback equipment returns, exists and broadcast with the standard Put the identical target playback equipment information of facility information, it is determined that the corresponding multimedia resource of the target playback equipment information plays Equipment is destination multimedia resource playback equipment.

Optionally, in long-range throwing screen device provided by the embodiments of the present application, the selection instruction carry throwing screen information and Multimedia resource identification information；Control module 13, is specifically used for：

According to the throwing screen information and the multimedia resource identification information carried in the selection instruction, to the mesh It marks multimedia resource playback equipment and sends broadcasting control instruction；

The multimedia resource identification information is carried receive that the destination multimedia resource playback equipment sends Multimedia resource request message after, the multimedia resource corresponding with the multimedia resource identification information of storage is returned to The destination multimedia resource playback equipment, so that the destination multimedia resource playback equipment plays the multimedia resource mark Know the corresponding multimedia resource of information.

Optionally, in long-range throwing screen device provided by the embodiments of the present application, the selection instruction also carries more matchmakers The playback progress information of the corresponding multimedia resource of body resource identification information；

The sending module is additionally operable to the playing progress rate of the multimedia resource corresponding to multimedia resource identification information Information is sent to the destination multimedia resource playback equipment.

Optionally, in long-range throwing screen device provided by the embodiments of the present application,

The receiving module is additionally operable to receive the multimedia resource that the destination multimedia resource playback equipment is sent Broadcast state information；

The sending module is additionally operable to the broadcast state information of the multimedia resource being transmitted to the mobile device, So that the mobile device shows the broadcast state information of the multimedia resource.

A kind of long-range throwing screen device provided by the embodiments of the present application, multimedia resource management equipment is controlled using mobile device It searches for the multimedia resource playback equipment in LAN residing for the multimedia resource management equipment, is set by multimedia resource management For from least one multimedia resource playback equipment searched, a destination multimedia resource playback equipment is selected to carry out Multimedia resource plays.Above process mobile device directly controls multimedia resource management equipment, and by multimedia resource management Equipment directly controls multimedia resource playback equipment, and multimedia resource playback equipment is directly controlled without mobile device, this is just real Show when mobile device and multimedia resource playback equipment are not at same LAN, mobile device can also control multimedia Resource playback equipment remotely throws the purpose of screen.

As shown in Figure 1, a kind of long-range throwing screen system is additionally provided for the application fourth embodiment, for executing above-mentioned second Long-range throwing screen method in embodiment, the system comprises：Mobile device 10, multimedia resource management equipment 20 and multimedia money Source playback equipment 30；

Mobile device 10, for sending search instruction to multimedia resource management equipment；Described search is instructed for notifying Multimedia resource playback equipment 30 in the residing LAN of multimedia resource management equipment search；

Multimedia resource management equipment 20, for instructed according to described search and the mobile device that pre-establishes with The mapping relations of destination multimedia resource playback equipment are determined from least one multimedia resource playback equipment 30 searched The destination multimedia resource playback equipment；

Multimedia resource management equipment 20 is additionally operable to control the destination multimedia resource playback equipment progress multimedia money Source plays.

A kind of long-range throwing screen system provided by the embodiments of the present application, multimedia resource management equipment is controlled using mobile device It searches for the multimedia resource playback equipment in LAN residing for the multimedia resource management equipment, is set by multimedia resource management For from least one multimedia resource playback equipment searched, a destination multimedia resource playback equipment is selected to carry out Multimedia resource plays.Above process mobile device directly controls multimedia resource management equipment, and by multimedia resource management Equipment directly controls multimedia resource playback equipment, and multimedia resource playback equipment is directly controlled without mobile device, this is just real Show when mobile device and multimedia resource playback equipment are not at same LAN, mobile device can also control multimedia Resource playback equipment remotely throws the purpose of screen.

Figure 10 is the structural schematic diagram for the computer equipment 40 that one embodiment of the application provides, as shown in Figure 10, for holding Long-range throwing screen method in row Fig. 2, the equipment include memory 401, processor 402 and are stored on the memory 401 and can The computer program run on the processor 402, wherein above-mentioned processor 402 is realized when executing above computer program State long-range the step of throwing screen method.

Specifically, above-mentioned memory 401 and processor 402 can be general memory and processor, do not do have here Body limits, and when the computer program of 402 run memory 401 of processor storage, is able to carry out above-mentioned long-range throwing screen method.

Corresponding to the long-range throwing screen method in Fig. 2, the embodiment of the present application also provides a kind of computer readable storage medium, It is stored with computer program on the computer readable storage medium, which executes above-mentioned long-range when being run by processor The step of throwing screen method.

Specifically, which can be general storage medium, such as mobile disk, hard disk, on the storage medium Computer program when being run, be able to carry out above-mentioned long-range throwing screen method.

The long-range screen device of throwing that the embodiment of the present application is provided can be specific hardware in equipment or be installed on equipment On software or firmware etc..The technique effect of the device that the embodiment of the present application is provided, realization principle and generation and aforementioned side Method embodiment is identical, and to briefly describe, device embodiment part does not refer to place, can refer in corresponding in preceding method embodiment Hold.It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, device With the specific work process of unit, the corresponding process in above method embodiment can be referred to, details are not described herein.

In embodiment provided herein, it should be understood that disclosed device and method, it can be by others side Formula is realized.The apparatus embodiments described above are merely exemplary, for example, the division of the unit, only one kind are patrolled Volume function divides, formula that in actual implementation, there may be another division manner, in another example, multiple units or component can combine or can To be integrated into another system, or some features can be ignored or not executed.Another point, shown or discussed is mutual Coupling, direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some communication interfaces, device or unit It connects, can be electrical, machinery or other forms.

The unit illustrated as separating component may or may not be physically separated, aobvious as unit The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme 's.

In addition, each functional unit in embodiment provided by the present application can be integrated in a processing unit, also may be used It, can also be during two or more units be integrated in one unit to be that each unit physically exists alone.

It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product It is stored in a computer read/write memory medium.Based on this understanding, the technical solution of the application is substantially in other words The part of the part that contributes to existing technology or the technical solution can be expressed in the form of software products, the meter Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be People's computer, server or network equipment etc.) execute each embodiment the method for the application all or part of step. And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic disc or CD.

It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing, in addition, term " the One ", " second ", " third " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.

Finally it should be noted that：Embodiment described above, the only specific implementation mode of the application, to illustrate the application Technical solution, rather than its limitations, the protection domain of the application is not limited thereto, although with reference to the foregoing embodiments to this Shen It please be described in detail, it will be understood by those of ordinary skill in the art that：Any one skilled in the art In the technical scope that the application discloses, it can still modify to the technical solution recorded in previous embodiment or can be light It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make The essence of corresponding technical solution is detached from the spirit and scope of the embodiment of the present application technical solution.The protection in the application should all be covered Within the scope of.Therefore, the protection domain of the application should be based on the protection scope of the described claims.

Claims

1. a kind of long-range throwing screen method, which is characterized in that it is applied to multimedia resource management equipment, including：

Receive the search instruction that mobile device is sent；Described search instruction is for notifying the multimedia resource management equipment to search for Multimedia resource playback equipment in residing LAN；

The mapping of the mobile device and destination multimedia resource playback equipment that instruct and pre-establish according to described search Relationship determines the destination multimedia resource playback equipment from least one multimedia resource playback equipment searched；

2. long-range throwing screen method according to claim 1, which is characterized in that described according to described search instruction and advance The mapping relations of the mobile device and destination multimedia resource playback equipment established, from least one multimedia searched The destination multimedia resource playback equipment is determined in resource playback equipment, including：

Receive believing for playback equipment search at least one of described LAN multimedia resource playback equipment return The playback equipment information of breath；

It is set with destination multimedia resource broadcasting according to the playback equipment information and the mobile device pre-established Standby mapping relations determine destination multimedia resource playback equipment from least one multimedia resource playback equipment.

3. long-range throwing screen method according to claim 2, which is characterized in that the mobile device and the destination multimedia The method for building up of the mapping relations of resource playback equipment, including：

The playback equipment information that at least one of described LAN multimedia resource playback equipment returns is sent to the shifting Dynamic equipment；

The selection instruction that the mobile device is sent based on the playback equipment information is received, the selection instruction includes the shifting The instruction of dynamic equipment selection target multimedia resource playback equipment from least one multimedia resource playback equipment；

Based on the selection instruction, the mapping relations of the mobile device and the destination multimedia resource playback equipment are established.

4. long-range throwing screen method according to claim 2, which is characterized in that the method further includes：

Record the normal play facility information of the destination multimedia resource playback equipment；

It is described to be broadcast with the destination multimedia resource according to the playback equipment information and the mobile device pre-established The mapping relations for putting equipment determine that destination multimedia resource broadcasting is set from least one multimedia resource playback equipment It is standby, further include：

The playback equipment information that information is searched for for the playback equipment that at least one multimedia resource playback equipment is returned It is compared with the normal play facility information of record；

If in the playback equipment information that at least one multimedia resource playback equipment returns, exists and set with the normal play The identical target playback equipment information of standby information, it is determined that the corresponding multimedia resource playback equipment of the target playback equipment information For destination multimedia resource playback equipment.

5. long-range throwing screen method according to claim 3, which is characterized in that the selection instruction carry throwing screen information and Multimedia resource identification information；The control destination multimedia resource playback equipment carries out multimedia resource broadcasting, including：

It is more to the target according to the throwing screen information and the multimedia resource identification information carried in the selection instruction Media resource plays equipment, which is sent, plays control instruction；

The more of the multimedia resource identification information are carried receive that the destination multimedia resource playback equipment sends After media resource request message, the multimedia resource corresponding with the multimedia resource identification information of storage is returned to described Destination multimedia resource playback equipment, so that the destination multimedia resource playback equipment plays the multimedia resource mark letter Cease corresponding multimedia resource.

6. long-range throwing screen method according to claim 5, which is characterized in that the selection instruction also carries more matchmakers The playback progress information of the corresponding multimedia resource of body resource identification information；It is described to broadcast receiving the destination multimedia resource After the multimedia resource request message for carrying the multimedia resource identification information for putting equipment transmission, further include：

The playback progress information of the multimedia resource corresponding to multimedia resource identification information is sent to the more matchmakers of the target Body resource playback equipment.

7. remotely throwing screen method according to claim 1-6 any one of them, which is characterized in that the control more matchmakers of target After body resource playback equipment carries out multimedia resource broadcasting, further include：

Receive the broadcast state information for the multimedia resource that the destination multimedia resource playback equipment is sent；

The broadcast state information of the multimedia resource is transmitted to the mobile device, show so as to the mobile device described in The broadcast state information of multimedia resource.

8. a kind of long-range throwing screen method, which is characterized in that including：

Mobile device sends search instruction to multimedia resource management equipment；Described search instruction is for notifying the multimedia to provide Multimedia resource playback equipment in the residing LAN of source control equipment search；

The mobile device that the multimedia resource management equipment is instructed and pre-established according to described search and target are more The mapping relations of media resource plays equipment determine the target from least one multimedia resource playback equipment searched Multimedia resource playback equipment；

The multimedia resource management equipment controls the destination multimedia resource playback equipment and carries out multimedia resource broadcasting.

9. a kind of long-range throwing screen device, which is characterized in that including：

Receiving module, the search instruction for receiving mobile device transmission；Described search is instructed for notifying multimedia resource pipe Manage the multimedia resource playback equipment in the residing LAN of equipment search；

Determining module, the mobile device for instructing and pre-establishing according to described search are broadcast with destination multimedia resource The mapping relations for putting equipment determine the destination multimedia resource from least one multimedia resource playback equipment searched Playback equipment；

10. long-range throwing screen device according to claim 9, which is characterized in that the determining module is specifically used for：

11. long-range throwing screen device according to claim 10, which is characterized in that further include：

Sending module, the playback equipment information for returning at least one of described LAN multimedia resource playback equipment It is sent to the mobile device；

The receiving module is additionally operable to receive the selection instruction that the mobile device is sent based on the playback equipment information, institute It includes that mobile device selection target multimedia from least one multimedia resource playback equipment provides to state selection instruction The instruction of source playback equipment；

Module is established, for being based on the selection instruction, the mobile device is established and is set with destination multimedia resource broadcasting Standby mapping relations.

12. a kind of long-range throwing screen system, which is characterized in that including：Mobile device, multimedia resource management equipment and multimedia money Source playback equipment；

The mobile device, for sending search instruction to multimedia resource management equipment；Described search is instructed for notifying State the multimedia resource playback equipment in the residing LAN of multimedia resource management equipment search；

The multimedia resource management equipment, the mobile device and mesh for instructing and pre-establishing according to described search The mapping relations for marking multimedia resource playback equipment, from least one multimedia resource playback equipment searched described in determination Destination multimedia resource playback equipment；

The multimedia resource management equipment is additionally operable to control the destination multimedia resource playback equipment progress multimedia resource It plays.