CN105791367A - Method, system and related equipment for sharing auxiliary media information in screen sharing - Google Patents
Method, system and related equipment for sharing auxiliary media information in screen sharing Download PDFInfo
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- CN105791367A CN105791367A CN201410828160.5A CN201410828160A CN105791367A CN 105791367 A CN105791367 A CN 105791367A CN 201410828160 A CN201410828160 A CN 201410828160A CN 105791367 A CN105791367 A CN 105791367A
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Abstract
The invention discloses a method, system and related equipment for sharing auxiliary media information in screen sharing, used for realizing transmission and play of the auxiliary media information in screen sharing. The method for sharing the auxiliary media information in screen sharing comprises the following steps of: receiving a screen transmission request carrying indication information for obtaining the processing capacity information of the auxiliary media information; and returning a response message of the screen transmission request, wherein the processing capacity information of the auxiliary media information is carried in the response message.
Description
Technical field
The present invention relates to mobile terminal wireless with shielding technical field, particularly relate to auxiliary media information sharing method, system and relevant device in a kind of Screen sharing.
Background technology
Mobile terminal is wireless with screen is emerging on mobile terminals Screen sharing technology, and the content of multimedia on mobile terminal is pushed on remote equipment by means of wireless network and is shown by it.WiFiDisplay (WFD, Wireless Display) is the technical scheme that WiFi alliance releases, and Miracast is that WiFi alliance realizes the authentication item of product for WFD technology.Miracast equipment provides to simplify and finds and arrange technology so that user can rapidly at equipment room transmitting multimedia contents.This technology is formulated with consumer electronics device manufacturer and chip manufacturer by the movement in Wi-Fi Alliance jointly with authentication item.Miracast user can browse, by large screen television, the photo that smart mobile phone takes, and by conference room projectors Real-Time Sharing notebook computer screen, or watches the programme televised live of home videos Set Top Box on panel computer.
The Floor layer Technology of WFD is WiFiDirect (wireless discovery), Miracast is formed by Wi-FiCERTIFIEDWi-FiDirect and connects, therefore possesses linkage function without accessing inside any Wi-Fi network Miracast authenticating device, thus the discovery mutually of wireless same screen equipment and equipment connect follows WiFiP2P (point-to-point) agreement.
WFD protocol infrastructure comprises two kinds of equipment: transmitting terminal (Source) equipment and receiving terminal (Sink) equipment, Source equipment is used for obtaining the multi-medium datas such as audio frequency and video, it is sent to Sink equipment after encoded to display, common Source equipment has mobile phone, panel computer, notebook computer etc., Sink equipment is for playing after receiving the multi-medium datas such as the audio frequency and video of Source equipment transmission and being decoded, and common Sink equipment has Set Top Box, TV and audio amplifier etc..
The conversation procedure that once connects one to one of WFD standard includes following several stages: (1) DeviceDiscovery (equipment discovery) stage: Source/Sink equipment initiating equipment discovery action, it has been found that have the equipment of WiFiDisplay function under current environment.(2) Servicediscovery (service discovery) stage: the ability that discovering device WiFiDisplay is relevant.(3) DeviceSelect (equipment choice) stage:, user selects the equipment found, initiates to connect.(4) ConnectionSetup (connection establishment) stage: continue to use WiFiDirect connection mechanism and set up MAC layer connection.(5) CapabilityNegotiation (capability negotiation) stage: Source/Sink equipment is consulted by RTSP message, arranged ability parameter, including the port numbers etc. that the coded format of audio frequency and video, display resolution, audio, video data transmit.(6) SessionSetup (session establishment) stage: safeguard session connection and the parameter adjustment conversating in process.(7) DataTransfer (data transmission) stage: Source equipment to Sink device transmission encode after audio, video data.(8) TearDown (conversation end) stage, Source equipment or Sink equipment initiate conversation end operation.
At present, in WFD standard, Source end is only provided to send Video-only, Audio-only and Video+Audio Three models, video, audio frequency can be realized respectively and have the transmission of video of sound, it can by the video of single channel or audio frequency, or one road video and a road audio frequency be packaged as MPEG-TS (MovingPicturesExpertsGroup/MotionPicturesExpertsGroupTra nsportStream, dynamic image experts group transport stream) stream is transmitted, and in stream, add synchronizing information.
But existing WFD standard there is no definition of how to transmit the scene of the audio/video flow with auxiliary media information, such as there are independent caption stream, independent UI (UserInterface, user interface) and the audio/video flow etc. of mixing, therefore, existing Screen sharing cannot share auxiliary media information.
Summary of the invention
The embodiment of the present invention provides auxiliary media information sharing method, system and relevant device in a kind of Screen sharing, in order to realize transmission and the broadcasting of auxiliary media information in Screen sharing.
The embodiment of the present invention provides the method for auxiliary media information sharing in the Screen sharing that a kind of receiving device is implemented, including:
Reception screen transmission is asked, and carries, in the request of described screen transmission, the instruction information obtaining auxiliary media information processing capability information；
Return the response message of described screen transmission request, described response message carries auxiliary media information processing capability information.
The embodiment of the present invention provides the method for auxiliary media information sharing in the Screen sharing that a kind of transmitting terminal is implemented, including:
Transmission screen transmission is asked, and carries, in the request of described screen transmission, the instruction information obtaining auxiliary media information processing capability information；
Receive described screen transmission request response message, described in promise message carries auxiliary media information processing capability information.
The embodiment of the present invention provides a kind of receiving device, including:
Receive unit, be used for receiving screen transmission request, the request of described screen transmission carries the instruction information obtaining auxiliary media information processing capability information；
Transmitting element, for returning the response message of described screen transmission request, carries auxiliary media information processing capability information in described response message.
The embodiment of the present invention provides a kind of sending ending equipment, including:
Transmitting element, sends screen transmission request, carries, in the request of described screen transmission, the instruction information obtaining auxiliary media information processing capability information；
Receive unit, for receive described screen transmission request response message, described in promise message carries auxiliary media information processing capability information.
The embodiment of the present invention provides the system of auxiliary media information sharing in a kind of Screen sharing, including above-mentioned receiving device and sending ending equipment.
Auxiliary media information sharing method, system and relevant device in the Screen sharing that the embodiment of the present invention provides, when carrying out Screen sharing, by carrying the instruction information obtaining auxiliary media information processing capability information at screen transmission in asking, and the auxiliary media information processing capability information of the response message notice opposite end self asked by screen transmission, make opposite end can determine whether to share auxiliary media information according to the auxiliary media information processing capability information received, based on this, it is possible to realize sharing of auxiliary media information in Screen sharing.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from description, or understand by implementing the present invention.The purpose of the present invention and other advantages can be realized by structure specifically noted in the description write, claims and accompanying drawing and be obtained.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the present invention, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is in the embodiment of the present invention, the structural representation of the system of auxiliary media information sharing in Screen sharing；
Fig. 2 is in the embodiment of the present invention, the interaction flow schematic diagram of sending ending equipment and receiving device；
Fig. 3 is in the embodiment of the present invention, and receiving terminal implements the implementing procedure schematic diagram of the method for auxiliary media information sharing in Screen sharing；
Fig. 4 is in the embodiment of the present invention, and transmitting terminal implements the implementing procedure schematic diagram of the method for auxiliary media information sharing in Screen sharing；
Fig. 5 is in the embodiment of the present invention, the structural representation of receiving device；
Fig. 6 is in the embodiment of the present invention, the structural representation of sending ending equipment.
Detailed description of the invention
In order to realize realizing sharing of auxiliary media information in Screen sharing, embodiments provide the method for auxiliary media information sharing, system and relevant device in a kind of Screen sharing.
Below in conjunction with Figure of description, the preferred embodiments of the present invention are illustrated, it is to be understood that, preferred embodiment described herein is merely to illustrate and explains the present invention, it is not intended to limit the present invention, and when not conflicting, the embodiment in the present invention and the feature in embodiment can be mutually combined.
As it is shown in figure 1, the structural representation of auxiliary media information sharing system in the Screen sharing provided for the embodiment of the present invention, including Source equipment 11 and Sink equipment 12.
Initial time, Sink equipment be in idle condition and etc. service to be supplied, it does not have with any Source equipment set up is connected transmit screen.Assume that now Source equipment is intended to initiate screen transmission, then follow the original flow process of Miracast1.0 and be sequentially carried out WFD equipment discovery phase, WFD service discovery stage, equipment choice stage and connection establishment stage.
In WFD capability negotiation stage, first Source equipment send RTSP (RealTimeStreamingProtocol, real-time streaming protocol) the M1 message inquiry Sink RTSP method supported to Sink equipment, and Sink replys M1 response.Then Sink equipment sends the M2 message inquiry Source RTSP method supported to Source equipment, and Source replys M2 response.Afterwards, Source equipment sends M3 message (RTSPGET_PARAMETER) to obtain the display parameter information of Sink equipment to Sink equipment.In the embodiment of the present invention, in order to support auxiliary media information sharing, it is necessary to the M3 message that Source equipment is sent to Sink equipment is extended, increase the instruction information wishing to obtain auxiliary media information processing capability information.When being embodied as, it is possible to increase following two parameter in M3 message to show that Source equipment wishes to obtain whether Sink equipment supports the broadcasting to auxiliary media flow of information and the coded format of supported auxiliary media flow of information, be defined as follows:
wfd_auxiliary_video_formats
wfd_auxiliary_audio_codecs。
Sink equipment is after receiving M3 message, if finding the two parameter: wfd_auxiliary_video_formats and wfd_auxiliary_audio_codecs in M3 message, then need to carry the coded format of the auxiliary media flow of information supporting broadcasting in the M3 response message returned to Source equipment.Such as, the auxiliary media information of audio form is play in Sink equipment support, but do not support the auxiliary media information of visual form, then reply in message and can be indicated by following parameter: wfd_auxiliary_video_formats:none and wfd_auxiliary_audio_codecs:LPCM0000000300.
Below in conjunction with the interaction flow between Source equipment 11 and Sink equipment 12, the embodiment of the present invention is illustrated.As in figure 2 it is shown, be concrete implementing procedure schematic diagram, comprise the following steps:
S21, Source equipment sends screen transmission request to Sink equipment.
When being embodied as, Source equipment can pass through M3 message and send screen transmission request to Sink equipment, wherein except carrying each parameter of existing M3 definition, it is also possible to carry the instruction information obtaining auxiliary media information processing capability information.Concrete, as shown in table 1, the M3 message that Source equipment sends to Sink equipment can be:
Table 1
S22, Sink equipment returns the response message of screen transmission request to Source equipment.
When being embodied as, Sink equipment indicates auxiliary media information processing capability information in response message, concrete, for the auxiliary media information that Sink equipment support is play, it is possible to return the form supporting to play auxiliary media information in response message.Such as, the auxiliary media information of Sink equipment support broadcasting audio form, but do not support the auxiliary media information of visual form, then as shown in table 2 to the M3 response message that Source equipment sends:
Table 2
S23, Source equipment sends media information playing request to Sink equipment.
Source equipment is after getting the Sink equipment tenability information to auxiliary media information, it is determined whether need to send auxiliary media information to Sink equipment.And sending media information playing request to Sink equipment, the coded format of media information is play in the request that wherein carries.Wherein, media information can include standard media information (namely traditional audio frequency, video media information) and auxiliary media information, and wherein auxiliary media information includes auxiliary audio frequency media information and auxiliary video media information；Standard media information includes standard audio media information and normal video media information.Determine it should be noted that the coded format of each media information is the parameter carried in the M3 response message according to the transmission of Sink equipment.
Concrete, Source equipment can send M4 message to notify that Sink equipment carries out parameter setting to Sink equipment.Such as Source equipment is ready for sending video and the accompaniment music of a first MTV, and the scene singing sound from Mike's collection, then Source equipment is after determining the broadcasting of auxiliary media information that Sink equipment only supports audio form, the M4 message shown in table 3 is sent, the coded format of instruction audio frequency and video and the singing sound from mike collection to Sink equipment:
Table 3
S24, Sink equipment returns the response message of media information playing request to Source equipment.
When being embodied as, after Sink equipment receives the request that Source equipment sends, initialize local receiving terminal parameter, initialize after successfully, return M4 success message to Source equipment, as shown in table 4:
Table 4
S25, Source equipment sends, to Sink equipment, at least one road Media Stream that request is play.
In being embodied as, Soure equipment is after receiving the M4 success message that Sink equipment returns, with the operation that Sink equipment completes M5 to the M16 stage.
When being embodied as, media information to be played can be encoded respectively by Source equipment according to the coded format (coded format that namely step S24～step S25 and Sink equipment are determined) that each media information is corresponding, obtain multipath media stream, and the multipath media stream obtained is transmitted to Sink equipment.Wherein, Source equipment, while this multipath media stream of packing, arranges and uses identical synchronizing information.
S26, Sink equipment, for each road Media Stream, adopts the decoding process corresponding with its coded system that this road Media Stream is decoded.
Sink equipment, according to the parameter arranged in step S24, adopts corresponding decoding process to be decoded for each road Media Stream according to its coded system.For the auxiliary media information wherein comprised, for auxiliary video media information and normal video media information, decoded auxiliary video stream is superimposed upon standard video stream upper strata and plays out；For auxiliary audio frequency media information and standard audio media information, play after decoded auxiliary audio stream and standard audio stream audio mixing.
In the embodiment of the present invention, at Source equipment and Sink equipment in capability negotiation stage, Source equipment is had to obtain its ability information whether supporting auxiliary media information processing to Sink equipment, if Sink equipment supports the process of auxiliary media information, then notifying the information such as coded format of the auxiliary media information of Sink its support of equipment, Source equipment can determine whether to share auxiliary media information according to the ability information obtained.For the auxiliary media information that Sink equipment support processes, Source equipment and Sink equipment consult the coded format etc. of auxiliary media information further, the parameter that Sink equipment carries out local terminal according to negotiation result is arranged, so as to be correctly decoded the auxiliary media information that Source equipment sends.Sink equipment not being supported to the auxiliary media information processed, Source equipment is abandoned and this auxiliary media information of Sink collaborative share.It is achieved thereby that in Screen sharing auxiliary media information share.
In the embodiment of the present invention, WiFiP2P between Sink equipment with Source equipment, both can be used to be connected, it is possible to use TDLS (TunneledDirectLinkSetup, passage direct link is set up).
Based on same inventive concept, the embodiment of the present invention also each provides the method for auxiliary media information sharing in the Screen sharing that a kind of receiving device and sending ending equipment are implemented and receiving device and sending ending equipment, owing to the principle of said method and equipment solution problem is similar to the system of auxiliary media information sharing in Screen sharing, therefore the enforcement of said method and equipment may refer to the enforcement of method, repeats part and repeats no more.
As it is shown on figure 3, implement the implementing procedure schematic diagram of the method for auxiliary media information sharing in Screen sharing for receiving device, it is possible to comprise the following steps:
S31, reception screen transmission request.
Wherein, the screen transmission request received carries the instruction information obtaining auxiliary media information processing capability information.Wherein, auxiliary media information processing capability information includes the form of the auxiliary media information that support is play.
S32, return described screen transmission request response message.
Wherein, response message carries auxiliary media information processing capability information.
When being embodied as, the method of auxiliary media information sharing in the Screen sharing that receiving device is implemented, can also comprise the following steps: receive media information playing request, the coded system of media information is play in the request that carries in described media information playing request, and described coded system is determine according to described auxiliary media information processing capability information.
Wherein, media information includes standard media information and auxiliary media information, and auxiliary media information includes auxiliary audio frequency media information and auxiliary video media information；Described standard media information includes standard audio media information and normal video media information.
The method of auxiliary media information sharing in the Screen sharing that receiving device is implemented, it is also possible to farther include:
At least one road Media Stream that the request of reception is play, wherein, each road Media Stream is obtain after the described standard media information asking to play and auxiliary media information are encoded according to corresponding coded system respectively；
For each road Media Stream, adopt the decoding process corresponding with its coded system that this road Media Stream is decoded.
After to each road media stream received, it is also possible to including:
For auxiliary video media information and normal video media information, decoded auxiliary video stream is superimposed upon standard video stream upper strata and plays out；For auxiliary audio frequency media information and standard audio media information, play after decoded auxiliary audio stream and standard audio stream audio mixing.
As shown in Figure 4, the implementing procedure schematic diagram of the method for auxiliary media information sharing in Screen sharing is implemented for sending ending equipment, it is possible to comprise the following steps:
S41, transmission screen transmission request.
Wherein, the screen transmission request of transmission carries the instruction information obtaining auxiliary media information processing capability information.
S42, receive described screen transmission request response message.
Answering of receiving, message carries auxiliary media information processing capability information.
When being embodied as, sending ending equipment is implemented the method for auxiliary media information sharing in Screen sharing and can also be included: send media information playing request, the coded system of media information is play in the request that carries in media information playing request, and described coded system is determine according to described auxiliary media information processing capability information.
When being embodied as, sending ending equipment is implemented the method for auxiliary media information sharing in Screen sharing and can also be included: at least one road Media Stream that the request of transmission is play, wherein, each road Media Stream is obtain after the described standard media information asking to play and auxiliary media information are encoded according to corresponding coded system respectively.
As it is shown in figure 5, the structural representation of the receiving device provided for the embodiment of the present invention, including:
Receive unit 51, be used for receiving screen transmission request, the request of described screen transmission carries the instruction information obtaining auxiliary media information processing capability information；
Transmitting element 52, for returning the response message of described screen transmission request, carries auxiliary media information processing capability information in described response message.
Wherein, receiving unit 51, be additionally operable to receive media information playing request, the coded system of media information is play in the request that carries in described media information playing request, and described coded system is determine according to described auxiliary media information processing capability information.
Described media information includes standard media information and auxiliary media information；And described equipment, also include decoding unit, wherein:
Receiving unit 51, be additionally operable to receive at least one road Media Stream that request is play, wherein, each road Media Stream is obtain after the described standard media information asking to play and auxiliary media information are encoded according to corresponding coded system respectively；
Decoding unit, for for each road Media Stream, adopting the decoding process corresponding with its coded system that this road Media Stream is decoded.
When being embodied as, auxiliary media information includes auxiliary audio frequency media information and auxiliary video media information；Described standard media information includes standard audio media information and normal video media information；And
Described equipment, also includes broadcast unit, wherein:
Described broadcast unit, for for auxiliary video media information and normal video media information, being superimposed upon standard video stream upper strata by decoded auxiliary video stream and play out；And for auxiliary audio frequency media information and standard audio media information, play after decoded auxiliary audio stream and standard audio stream audio mixing.
As shown in Figure 6, the structural representation of the sending ending equipment provided for the embodiment of the present invention, it is possible to including:
Transmitting element 61, sends screen transmission request, carries, in the request of described screen transmission, the instruction information obtaining auxiliary media information processing capability information；
Receive unit 62, for receive described screen transmission request response message, described in promise message carries auxiliary media information processing capability information.
When being embodied as, transmitting element 61 can be also used for sending media information playing request, the coded system of media information is play in the request that carries in described media information playing request, and described coded system is determine according to described auxiliary media information processing capability information.
When being embodied as, transmitting element, it is also possible to for sending at least one road Media Stream that request is play, wherein, each road Media Stream is obtain after the described standard media information asking to play and auxiliary media information are encoded according to corresponding coded system respectively.
For convenience of description, above each several part is divided by function and is respectively described for each module (or unit).Certainly, the function of each module (or unit) can be realized in same or multiple softwares or hardware when implementing the present invention.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, complete software implementation or the embodiment in conjunction with software and hardware aspect.And, the present invention can adopt the form at one or more upper computer programs implemented of computer-usable storage medium (including but not limited to disk memory, CD-ROM, optical memory etc.) wherein including computer usable program code.
The present invention is that flow chart and/or block diagram with reference to method according to embodiments of the present invention, equipment (system) and computer program describe.It should be understood that can by the combination of the flow process in each flow process in computer program instructions flowchart and/or block diagram and/or square frame and flow chart and/or block diagram and/or square frame.These computer program instructions can be provided to produce a machine to the processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device so that the instruction performed by the processor of computer or other programmable data processing device is produced for realizing the device of function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions may be alternatively stored in and can guide in the computer-readable memory that computer or other programmable data processing device work in a specific way, the instruction making to be stored in this computer-readable memory produces to include the manufacture of command device, and this command device realizes the function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make on computer or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computer or other programmable devices provides for realizing the step of function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame.
Although preferred embodiments of the present invention have been described, but those skilled in the art are once know basic creative concept, then these embodiments can be made other change and amendment.So, claims are intended to be construed to include preferred embodiment and fall into all changes and the amendment of the scope of the invention.
Obviously, the present invention can be carried out various change and modification without deviating from the spirit and scope of the present invention by those skilled in the art.So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (16)
1. the method for auxiliary media information sharing in a Screen sharing, it is characterised in that including:
Reception screen transmission is asked, and carries, in the request of described screen transmission, the instruction information obtaining auxiliary media information processing capability information；
Return the response message of described screen transmission request, described response message carries auxiliary media information processing capability information.
2. the method for claim 1, it is characterised in that also include:
Receiving media information playing request, the coded system of media information is play in the request that carries in described media information playing request, and described coded system is determine according to described auxiliary media information processing capability information.
3. method as claimed in claim 2, it is characterised in that described media information includes standard media information and auxiliary media information；And
Described method, also includes:
At least one road Media Stream that the request of reception is play, wherein, each road Media Stream is obtain after the described standard media information asking to play and auxiliary media information are encoded according to corresponding coded system respectively；
For each road Media Stream, adopt the decoding process corresponding with its coded system that this road Media Stream is decoded.
4. method as claimed in claim 3, it is characterised in that described auxiliary media information includes auxiliary audio frequency media information and auxiliary video media information；Described standard media information includes standard audio media information and normal video media information；And
After the media stream of each road, also include:
For auxiliary video media information and normal video media information, decoded auxiliary video stream is superimposed upon standard video stream upper strata and plays out；
For auxiliary audio frequency media information and standard audio media information, play after decoded auxiliary audio stream and standard audio stream audio mixing.
5. the method as described in Claims 1 to 4 any claim, it is characterised in that described auxiliary media information processing capability information includes the form supporting the auxiliary media information of broadcasting.
6. the method for auxiliary media information sharing in a Screen sharing, it is characterised in that including:
Transmission screen transmission is asked, and carries, in the request of described screen transmission, the instruction information obtaining auxiliary media information processing capability information；
Receive described screen transmission request response message, described in promise message carries auxiliary media information processing capability information.
7. method as claimed in claim 6, it is characterised in that also include:
Sending media information playing request, the coded system of media information is play in the request that carries in described media information playing request, and described coded system is determine according to described auxiliary media information processing capability information.
8. method as claimed in claim 7, it is characterised in that also include:
At least one road Media Stream that the request of transmission is play, wherein, each road Media Stream is obtain after the described standard media information asking to play and auxiliary media information are encoded according to corresponding coded system respectively.
9. a receiving device, it is characterised in that including:
Receive unit, be used for receiving screen transmission request, the request of described screen transmission carries the instruction information obtaining auxiliary media information processing capability information；
Transmitting element, for returning the response message of described screen transmission request, carries auxiliary media information processing capability information in described response message.
10. equipment as claimed in claim 9, it is characterised in that
Described reception unit, is additionally operable to receive media information playing request, and the coded system of media information is play in the request that carries in described media information playing request, and described coded system is determine according to described auxiliary media information processing capability information.
11. equipment as claimed in claim 10, it is characterised in that described media information includes standard media information and auxiliary media information；And
Described equipment, also includes decoding unit, wherein:
Described reception unit, is additionally operable to receive at least one road Media Stream that request is play, and wherein, each road Media Stream is obtain after the described standard media information asking to play and auxiliary media information are encoded according to corresponding coded system respectively；
Described decoding unit, for for each road Media Stream, adopting the decoding process corresponding with its coded system that this road Media Stream is decoded.
12. equipment as claimed in claim 11, it is characterised in that described auxiliary media information includes auxiliary audio frequency media information and auxiliary video media information；Described standard media information includes standard audio media information and normal video media information；And
Described equipment, also includes broadcast unit, wherein:
Described broadcast unit, for for auxiliary video media information and normal video media information, being superimposed upon standard video stream upper strata by decoded auxiliary video stream and play out；And for auxiliary audio frequency media information and standard audio media information, play after decoded auxiliary audio stream and standard audio stream audio mixing.
13. a sending ending equipment, it is characterised in that including:
Transmitting element, sends screen transmission request, carries, in the request of described screen transmission, the instruction information obtaining auxiliary media information processing capability information；
Receive unit, for receive described screen transmission request response message, described in promise message carries auxiliary media information processing capability information.
14. equipment as claimed in claim 13, it is characterised in that
Described transmitting element, is additionally operable to send media information playing request, and the coded system of media information is play in the request that carries in described media information playing request, and described coded system is determine according to described auxiliary media information processing capability information.
15. equipment as claimed in claim 14, it is characterised in that
Described transmitting element, is additionally operable to send at least one road Media Stream that request is play, and wherein, each road Media Stream is obtain after the described standard media information asking to play and auxiliary media information are encoded according to corresponding coded system respectively.
16. the system of auxiliary media information sharing in a Screen sharing, it is characterised in that include the receiving device described in claim 9～12 any claim and the sending ending equipment described in claim 13,14 or 15.
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| CN113079392A (en) * | 2021-03-08 | 2021-07-06 | 深圳奇迹智慧网络有限公司 | Media content playing method and device, computer equipment and storage medium |
| WO2021164631A1 (en) * | 2020-02-20 | 2021-08-26 | 华为技术有限公司 | Screencasting method, and terminal apparatus |
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| CN103534679A (en) * | 2012-12-12 | 2014-01-22 | 华为终端有限公司 | Media stream sharing method and terminal |
| US8913189B1 (en) * | 2013-03-08 | 2014-12-16 | Amazon Technologies, Inc. | Audio and video processing associated with visual events |
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| CN107222769A (en) * | 2016-03-21 | 2017-09-29 | 中国移动通信集团公司 | A kind of transmission method of auxiliary data flow, equipment and system |
| WO2021164631A1 (en) * | 2020-02-20 | 2021-08-26 | 华为技术有限公司 | Screencasting method, and terminal apparatus |
| CN113079392A (en) * | 2021-03-08 | 2021-07-06 | 深圳奇迹智慧网络有限公司 | Media content playing method and device, computer equipment and storage medium |
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