CN102970589A - Control method and device for multi-terminal-based synergetic media stream play - Google Patents
Control method and device for multi-terminal-based synergetic media stream play Download PDFInfo
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Abstract
The invention provides a control method and device for multi-terminal-based synergetic media stream play. The method comprises the following steps of: receiving current playing state information sent by a main control terminal; and sending the current playing state information to at least one slave terminal so that the at least one slave terminal is synchronous with the main control terminal in playing state according to the current playing state information. According to the control method, the current playing state information of the main control terminal is obtained and is transmitted to at least one slave terminal so that the at least one slave terminal is capable of adjusting the own playing state according to the playing state information and synchronous with the main control terminal in playing state; therefore, synchronous playing between the main control terminal and the slave terminals is realized.
Description
Technical field
The present invention relates to the Media Stream play-back technology, relate in particular to control method and the device of the collaborative media stream in a kind of multiple terminals.
Background technology
Along with the development of intelligent terminal and the Internet, the user has a plurality of terminals usually, for example, and smart mobile phone, internet television, computer etc.The user can use the multimedia messages in various terminal to obtain internet TVs (IPTV) program, the view Internet community.The user for reaching better audio visual effect, wishes that a plurality of terminals of oneself can be worked in coordination with the identical media program of broadcast when media stream.
For example the user is listening to a concert program, and the different tone channel of the same audio frequency of simultaneously music playings meeting of a plurality of sound equipments of hope use programs is in order to realize surround sound, near the audio visual effect of music hall under home environment; Do not wish when perhaps watching multimedia programming by television terminal that the sound interference of program is to other people, the user wishes to use the video flowing of a television terminal play multimedia program, use the mobile phone of oneself as the audio content of earphone play multimedia program, Voice ﹠ Video is play on different terminals synchronously.
But can't play synchronously between collaborative a plurality of terminals often appears in prior art, and for example audio ﹠ video is asynchronous, thereby affects user's audio visual effect.
Summary of the invention
For defects, the invention provides control method and the device of the collaborative media stream in a kind of multiple terminals, be used for synchronous media stream between the collaborative a plurality of terminals of control, make the user obtain good audio visual effect.
The invention provides the control method of the collaborative media stream in a kind of multiple terminals, comprising:
Receive the current broadcast state information that main control terminal sends;
Send described current broadcast state information at least one slave terminal, so that described at least one slave terminal is according to described current broadcast state information and the synchronous broadcast state of described main control terminal.
The present invention also provides the control device of the collaborative media stream in a kind of multiple terminals, comprising:
Receiver module is used for receiving the current broadcast state information that main control terminal sends;
Sending module is used for sending described current broadcast state information at least one slave terminal, so that described at least one slave terminal is according to described current broadcast state information and the synchronous broadcast state of described main control terminal.
Control method and the device of the collaborative media stream in multiple terminals provided by the invention, receive the current broadcast state information that main control terminal sends by control device, so that at least one slave terminal obtains described current broadcast state information, so that described at least one slave terminal is according to described current broadcast state information and the synchronous broadcast state of described main control terminal, therefore synchronous media stream between a plurality of terminals of user, for example Voice ﹠ Video is play on collaborative a plurality of terminals synchronously, makes the user obtain good audio visual effect.
Description of drawings
Fig. 1 is the flow chart of the control method embodiment one of the collaborative media stream in multiple terminals of the present invention;
Fig. 2 is the flow chart of the control method embodiment two of the collaborative media stream in multiple terminals of the present invention;
Fig. 3 is the flow chart of the control method embodiment three of the collaborative media stream in multiple terminals of the present invention;
Fig. 4 is the flow chart of the control method embodiment four of the collaborative media stream in multiple terminals of the present invention;
Fig. 5 is the signaling process figure of the control method embodiment five of the collaborative media stream in multiple terminals of the present invention;
Fig. 6 is the structural representation of the control device embodiment one of the collaborative media stream in multiple terminals of the present invention.
Embodiment
Fig. 1 is the flow chart of the control method embodiment one of the collaborative media stream in multiple terminals of the present invention.As shown in Figure 1, the method comprises:
S101: receive the current broadcast state information that main control terminal sends;
Concrete, the control device by the collaborative media stream in multiple terminals among the S101 receives the current broadcast state information that main control terminal sends.
S102: send current broadcast state information at least one slave terminal.
In S102, the control device of being worked in coordination with media stream by the multiple terminals sends current broadcast state information at least one slave terminal, so that at least one slave terminal is according to current broadcast state information and the synchronous broadcast state of main control terminal.
In S101 and S102, current broadcast state information for example can comprise the broadcast clock information of main control terminal and the playing progress rate information corresponding with this broadcast clock information.
Specifically, in the playing task that has created, the video flowing that main control terminal can media stream, and the audio stream of this Media Stream can be play in the slave terminal, but the perhaps equal displaying video stream in main control terminal and slave terminal; Wherein, main control terminal can be registered to control device first before creating playing task, obtain sign-on ID number, when creating playing task, main control terminal can send create the playing task request to control device, can comprise sign-on ID number and the playing task information to be created of this main control terminal in this request; Control device is according to playing task Information generation playing task sign to be created, and this playing task sign represents a complete multimedia programming; Because a multimedia programming comprises different Media Streams, such as audio stream, video flowing etc., control device can generate according to different Media Stream segmentations some playing task signs, thereby so that the Media Stream that the user can select this main control terminal to play by main control terminal, and the user selects the slave terminal to play which kind of Media Stream also can add this playing task in the slave terminal time.
When this establishment playing task request is supported, main control terminal can receive playing task sign and the ownership indication information that control device sends, the sign-on ID of playing task sign and main control terminal number can also be associated with storing with timed unit, more specifically, if the user uses main control terminal to select to play the part of media stream of this multimedia programming, such as video flowing, then control device can be associated the sign-on ID of main control terminal number, the playing task sign of multimedia programming and the playing task sign of this multimedia programming video flowing.
Main control terminal creates after the playing task, and the user can inquire about playing task to control device by at least one slave terminal, need to prove, this slave terminal need to be registered at control device and obtain sign-on ID number before the inquiry playing task.After inquiring this playing task, the user can select to add this playing task in the user interface of slave terminal.Specifically, this slave terminal can send to control device and join request, the playing task sign that this sign-on ID number that can comprise the slave terminal and selecting of joining request adds, more specifically, if the user needs this slave terminal to play part of media stream, also can comprise the playing task sign of this playing task during then this joins request.When this join request be allowed to after, control device can with the sign-on ID of slave terminal number, playing task sign, alternatively, comprise that also playing task sign is associated.
So far, main control terminal and slave terminal are all in same playing task, and main control terminal and slave terminal all number are associated with the playing task sign by its sign-on ID.Control device can be controlled slave terminal and the synchronous play multimedia program of main control terminal.With main control terminal play multimedia program video stream, the video flowing that this multimedia programming is play in the slave terminal is example, and when playing the clock arrival for the 100th, the video flowing that main control terminal is play has been played to the 1000th frame; Main control terminal is current broadcast state information, and namely " the 1000th frame of the 100th clock play multimedia program video stream " is sent to the control device of the collaborative media stream in multiple terminals, also can comprise the sign-on ID number of this main control terminal in this broadcast state information; The main control terminal sign-on ID that this control device can carry according to this broadcast state information number and identify with playing task that this sign-on ID number is associated, inquire the sign-on ID number of other slave terminal that joins this playing task, then, control device can be sent to these slave terminals with current broadcast state information " the 1000th frame of the 100th clock play multimedia program video stream ", and these slave terminals are according to the current broadcast state of this information check self; If the audio stream corresponding with the 1000th frame play in the slave terminal when the 100th clock, slave terminal and main control terminal continue to play synchronously; Be the audio stream corresponding with the 975th frame of video flowing or the 1025th frame if play at this moment the slave terminal, then the slave terminal is adjusted broadcast state automatically, makes self current broadcast audio stream corresponding with the 1000th frame of video flowing.Need to prove that the Media Stream that play main control terminal and slave terminal both can be that online Media stream also can be offline media stream.For online Media stream, the slave terminal can be asked the audio stream synchronous with the video flowing of main control terminal broadcast online, for offline media stream, all can store this corresponding Media Stream in slave terminal and the main control terminal.
Present embodiment, receive the current broadcast state information that main control terminal sends by control device, and current broadcast state information sent at least one slave terminal, thereby so that at least one slave terminal can be according to current broadcast state information and the synchronous broadcast state of main control terminal, thereby realized the synchronous broadcast between main control terminal and the slave terminal.
Fig. 2 is the flow chart of the control method embodiment two of the collaborative media stream in multiple terminals of the present invention.As shown in Figure 2, the method comprises:
S201: receive the establishment playing task request that main control terminal sends;
In S201, control device can receive the establishment playing task request that main control terminal sends, this request can comprise playing task information to be created, and such as the title of the media program of playing task to be created, reference address etc. also has the sign-on ID number of this main control terminal.
In S201, the terminal that the control device acquiescence creates playing task is the main control terminal of this playing task, the terminal of follow-up this playing task of adding is the slave terminal, optionally, the user can allow any one slave terminal obtain the ownership of this playing task in the process of multiple terminals execution playing task, thereby makes this slave terminal become the main control terminal of this playing task.Need to prove, when the user becomes main control terminal in the operation slave terminal, can not need to obtain the agreement of main control terminal.
S202: determine whether to support collaborative the broadcast, if support that then execution in step 203, otherwise execution in step 204;
Concrete, control device can according to its load-bearing capacity and the current Rule of judgment such as playing task quantity of carrying out, judge whether the control device control ability can support the playing task of the establishment of asking again; For example, the load-bearing capacity limiting control device of control device can be controlled 3 playing task simultaneously, if having 3 playing task this moment, main control terminal asks to create playing task again, has then surpassed the load-bearing capacity of control device; If this moment, the playing task quantity of control did not reach 3, then support.
Optionally, control device can also judge whether this main control terminal has the ability to support playing task that this ability information can send to this control device in main control terminal when control device is registered according to ability information and the playing task information to be created of main control terminal.
S203: create playing task, send playing task sign and ownership indication information to main control terminal, and the playing task sign is associated with main control terminal;
When this establishment playing task request is supported, main control terminal receives corresponding playing task sign and the ownership indication information of the playing task information with creating that control device sends, and control device number is associated the sign-on ID of playing task sign and main control terminal.
S204: do not support indication information to the main control terminal transmission.
In real life, for the Media Stream that user charges are received is not obtained by other people, main control terminal can adopt the method for safe transmission information when communicating by letter with control device with at least one slave terminal, and the message that sends is encrypted processing.Therefore in above-mentioned S201, the establishment playing task request that main control terminal sends can be adopted encryption; If control device creates this playing task, control device adopts symmetric encipherment algorithm (for example off-line elliptic curve ECC) to generate random encryption key and decruption key, and user's public key encryption decruption key; When carrying out S203, control device can send to main control terminal to the decruption key after encrypting.This main control terminal gets final product user's the encrypted decruption key of private key deciphering, thereby obtains the decruption key after the deciphering.After main control terminal obtained decruption key, control device can send the information of using encryption keys to main control terminal.Above-mentioned control device adopts symmetric encipherment algorithm to generate at random encryption key and decruption key, and wherein encryption key can be identical with decruption key; When main control terminal receives the information of the use encryption keys that control device sends, can use decruption key to decipher this enciphered message, obtain the information of playing for control, identify such as playing task.
In the process of media stream, when main control terminal sends current broadcast state information to control device, the aforementioned decruption key that receives can be used as encryption key at this moment, encrypts current broadcast state information, then the broadcast state information of encrypting is sent to control device; Control device receives the broadcast state information of encryption, uses the encryption key of aforementioned employing symmetry algorithm generation as decruption key, deciphers the broadcast state information of this encryption, obtains the current broadcast state information of main control terminal; Control device can send to the slave terminal with the current broadcast state information of main control terminal after the deciphering, makes itself and the synchronous media stream of main control terminal; Perhaps the current broadcast state information of main control terminal of encrypting directly can be sent to the slave terminal, decruption key deciphering broadcast state information is used in the slave terminal.In this explanation, if at least one slave terminal can successfully join in the current playing task, just then described at least one slave terminal has obtained above-mentioned decruption key when joining current playing task.
Fig. 3 is the flow chart of the control method embodiment three of the collaborative media stream in multiple terminals of the present invention.As shown in Figure 3, the method comprises:
S301: receive joining request of at least one slave terminal transmission, comprise the user during this joins request to the playing task sign of at least one slave terminal input;
In S301, control device can receive joining request that at least one slave terminal sends, and the sign-on ID number of playing task sign and this slave terminal is also carried in this request, and this joins request for the current playing task of request adding main control terminal; Specifically, the user can use any terminal to join in the playing task that main control terminal created, and then this terminal is the slave terminal of this playing task.
The user uses this slave terminal to check the playing task of current existence by user interface; The user selects to add a certain playing task according to the personal like, and is concrete, and the user views the information of playing task and this playing task by this slave terminal in user interface, such as medium type, and playing task sign etc.; If this terminal is the terminal with touch screen, then the user is tangible chooses the playing task that will add, and comprises joining request of playing task sign thereby this terminal is sent to control device; Optionally, the user is after choosing playing task, the user interface of this terminal also can eject the concrete medium type of this playing task, supply user selection such as video flowing, audio stream, if the user no longer selects, think after then control device receives and joins request that this terminal request adds playing task and plays the total medium stream of this task; If the medium type that user selection is play, above-mentioned joining request gone back portability playing task sign; Control device knows that according to this playing task sign this terminal request adds concrete medium type corresponding to this playing task sign of broadcast, and for example this terminal is only asked the audio stream in the media stream.
S302: judge whether to support this to join request, if support this to join request, then carry out S303, if do not support this to join request, then carry out S306;
In above-mentioned S302, control device checks according to the playing task sign this playing task by what slave terminals is play synchronously current, control device can according to its load-bearing capacity and the Rule of judgment such as slave terminal quantity of working as this playing task of preamble, judge whether the control device control ability can support this to join request again.
Optionally, control device can also be judged this slave terminal synchronously this playing task of whether having the ability according to the playing task information that the ability information of slave terminal and request add, and this ability information can send in the slave terminal this control device when control device is registered.For example, a slave terminal is stereo set, only has the ability of audio plays, and this slave terminal can not be allowed to add synchronous broadcast to be only had in the task of video; If control device cannot be loaded and/or the ability information of slave terminal represents that this slave terminal does not have the current playing task of the collaborative broadcast of ability, does not then support above-mentioned joining request.
S303: join request to the main control terminal transmission;
S304: judge whether main control terminal adheres to; If main control terminal is adhereed to, then carry out S305, if disagree with adding, then carry out S306;
Control device if control device receives the response message that main control terminal is adhereed to, continues S305 after carrying out S303; If control device receives the response message that main control terminal is disagreed with adding, carry out S306;
S305: send the response message of accepting adding at least one slave terminal;
When carrying out S305, when control device sends the response message that main control terminal adheres to at least one slave terminal, control device can number be associated the sign-on ID of this slave terminal with the playing task sign, alternatively, playing task sign can also be associated; So that after control device receives the broadcast state information of main control terminal, can be described in S203, inquire the playing task of this broadcast state information ownership and add at least one slave terminal of this playing task, exactly this broadcast state information being sent to needs synchronously at least one slave terminal of this playing task, so that the playing status synchronism of at least one slave terminal and main control terminal.
S306: send the response message that refusal adds at least one slave terminal.
In the control method provided by the invention, when the user uses a plurality of terminal synchronizes media stream, can select any one terminal to create playing task as main control terminal, and control adds the broadcast state of the slave terminal of this playing task, as suspending, F.F. and retreating, also can control a certain part of media stream of slave terminal media stream, for example work as the user selection television terminal as main control terminal, and this television terminal is after control device creates the movie program task, the video flowing of movie program, the slave terminal mobile phone that adds this movie program task then can only be selected the audio stream of movie program task.And television terminal can upload to its current broadcast state information control device, control device sends the broadcast state information of the current displaying video stream of television terminal again to mobile phone, thereby so that mobile phone can carry out according to the broadcast state information of this video flowing the playing status synchronism of audio stream.Be understandable that television terminal and mobile phone be all displaying video stream or all audio stream plays also, perhaps all playing audio-video flows, and present embodiment does not limit.
Fig. 4 is the flow chart of the control method embodiment four of the collaborative media stream in multiple terminals of the present invention.As shown in Figure 4, the method comprises:
S401: receive the request message for the ownership that obtains playing task that the first terminal at least one slave terminal sends;
In S401, control device receives the request message for the ownership that obtains playing task that the first terminal at least one slave terminal sends; Concrete, the user can select to obtain the ownership option in user interface by first terminal, and the request message that first terminal just will obtain the playing task ownership is sent to control device.
S402: send ownership to first terminal and shift indication information;
In S402, what this ownership transfer indication information was concrete can represent that with a source identity terminal that obtains this source identity can change to main control terminal; When first terminal receive that control device sends carry above-mentioned source identity after, this first terminal can become the new main control terminal of playing task.
S403: send the indication information of giving the authority to former main control terminal;
After former main control terminal receives the indication information of giving the authority to, just no longer send current broadcast state information to control device, and begin to receive the broadcast state information of new main control terminal, with the playing status synchronism of new main control terminal.
After control device was carried out S402 and S403, so that the first terminal in the former slave terminal becomes the new main control terminal of current playing task, former main control terminal became the slave terminal of current playing task; In playing task subsequently, self broadcast state can be adjusted according to the broadcast state information of new main control terminal in all slave terminals, with the synchronous broadcast state of new main control terminal.
In embodiment four, any one slave terminal in the adding playing task all can obtain the ownership of playing task, become the new main control terminal of playing task, this new main control terminal just can be controlled a plurality of terminals that add collaborative playing task, be convenient to the user control of Media Stream is play, offer the better broadcast of user and experience.
Fig. 5 is the signaling process figure of the control method embodiment five of the collaborative media stream in multiple terminals of the present invention.As shown in Figure 5, the method comprises:
S511: control device receives the registration request that main control terminal sends;
In S511, receive registration request by control device, this request comprises the log-on message of main control terminal, wherein log-on message comprises: user profile, control device can know according to user profile whether the user of this main control terminal is validated user, and this user profile is specially user ID, user certificate etc.; Registration request also comprises the sign of main control terminal, is specially device identification, can comprise the current ability of equipment, for example, and whether can displaying video, whether can audio plays etc.
S512: control device returns result according to the log-on message of main control terminal to main control terminal;
If control device is not supported request, then control device returns the return information of not supporting to main control terminal, then ends subsequent operation.
If control device support request, then control device records the log-on message of main control terminal, and generate sign-on ID number, ability information that control device carries registration request among this sign-on ID number and the S511 etc. is associated and sign-on ID number is returned to main control terminal, continue S513, when this main control terminal sends various request to control device subsequently, carry this sign-on ID number; Control device can send by sign-on ID number identification the terminal of request, and number obtains its ability information according to sign-on ID, judges whether the request of supporting that this terminal sends according to this ability information; Can number know the playing task that this main control terminal is current according to sign-on ID with timed unit, also can information be sent to accurately according to sign-on ID number the terminal of sign-on ID correspondence.
S513, control device receives main control terminal and creates the playing task request;
Main control terminal send to create the playing task request to control device, and this request can comprise playing task information to be created, and such as the title of the media program of playing task to be created, reference address etc. also has the sign-on ID number of this main control terminal.
The terminal that the control device acquiescence creates playing task is the main control terminal of this playing task, the terminal of follow-up this playing task of adding is the slave terminal, optionally, the user can allow any one slave terminal obtain the ownership of this playing task in the process of multiple terminals execution playing task, thereby makes this slave terminal become the main control terminal of this playing task.Need to prove, when the user becomes main control terminal in the operation slave terminal, can not need to obtain the agreement of main control terminal.
S514, control device returns result to main control terminal; If support, continue S515, otherwise no longer carry out subsequent operation;
The result that control device returns to main control terminal be control device according to its load-bearing capacity and the current Rule of judgment such as playing task quantity of carrying out, whether the control ability of judging control device can support the playing task that creates of asking again; Described in deterministic process such as the above-mentioned S202, do not repeat them here.
S515, control device creates playing task, returns playing task sign and ownership indication information to main control terminal, and the playing task sign is associated with main control terminal;
Above-mentioned S515 is concrete described in S203, does not repeat them here.
S516, control device receives the current broadcast state that main control terminal sends.
After control device created playing task, main control terminal constantly sent current broadcast state information to control device when carrying out playing task.
When at least one slave terminal will add in the current playing task, the slave terminal sent to control device and joins request; The present invention is take a slave terminal as example, and as shown in Figure 5, the method that the slave terminal request adds playing task comprises:
S521: control device receives the registration request that the slave terminal sends;
Slave terminal in S521 must be registered in control device before carrying out playing task, and the sign-on ID that generates of receiving control device number.
The specific implementation process of S521 such as S511 do not repeat them here.
S522: control device returns result according to the log-on message of slave terminal to the slave terminal;
If control device is not supported request, then return the return information of not supporting to the slave terminal, then end subsequent operation.
If control device is supported described request, then control device records the log-on message of slave terminal, and generating sign-on ID number, the ability information that control device carries registration request among this sign-on ID number and the S521 etc. is associated, then sign-on ID number is returned to slave terminal, continuation S523; When this slave terminal sends various request to control device subsequently, carry this sign-on ID number; Control device can send by sign-on ID number identification the terminal of request, and number obtains its ability information according to sign-on ID, judges whether the request of supporting that this terminal sends according to this ability information; Can number know the playing task that this slave terminal is current according to sign-on ID with timed unit, also can information be sent to accurately according to sign-on ID number the terminal of sign-on ID correspondence.
S523: control device receives the request that the slave terminal adds the current playing task of main control terminal, comprises the user during this joins request to the playing task sign of at least one slave terminal input;
The slave terminal sends to control device together with sign-on ID number, current playing task sign when sending request, in the playing task that control device judges whether to support the slave terminal to join main control terminal according to the sign-on ID of slave terminal number and current playing task sign, concrete described in S301, do not repeat them here.
S524: control device returns result to the slave terminal;
The result that control device returns to the slave terminal comprises the request of reception and refusal request, and concrete result can obtain according to the scheme of implementing to provide in three, does not repeat them here; If wherein result is then no longer carried out subsequent operation for the refusal request; If accept request, continue S525.
S525: control device sends to main control terminal with the solicited message of slave terminal;
S526: control device receives the response message that main control terminal is returned;
Control device can receive the response message that main control terminal is returned after the solicited message of slave terminal is sent to main control terminal; If response message is for disagreeing with adding, control device sends refusal adding information to the slave terminal, stop simultaneously subsequent operation; If response message continues S527 for adhereing to.
S527: control device sends the response message of accepting adding to the slave terminal;
Concrete, described in S305, do not repeat them here.
S528: control device sends the current broadcast state of main control terminal to the slave terminal.
The control method embodiment five-way of the collaborative media stream in multiple terminals of the present invention is crossed the control method of the collaborative media stream in a kind of multiple terminals, at least one slave terminal when carrying out playing task, main control terminal is joined in the current playing task, simultaneously so that at least one slave terminal obtains the current broadcast state information of main control terminal, at least one slave terminal is according to current broadcast state information and the synchronous broadcast state of main control terminal, therefore synchronous media stream between a plurality of terminals of user makes the user obtain better audiovisual and experiences.
Fig. 6 is the structural representation of the control device embodiment one of the collaborative media stream in multiple terminals of the present invention.As shown in Figure 6, this control device comprises: receiver module 601 and sending module 602, and wherein receiver module 601 is used for receiving the current broadcast state information that main control terminal sends; Sending module 602 is used for sending current broadcast state information at least one slave terminal, so that at least one slave terminal is according to current broadcast state information and the synchronous broadcast state of main control terminal.
Control device also comprises determination module 604, and when receiver module 601 received the establishment playing task request of main control terminal, the determination module 604 of control device was used for determining whether to support collaborative the broadcast; If support collaborative the broadcast, creation module 603 creates playing task; If do not support collaborative the broadcast, send to main control terminal and do not support indication information.
When main control terminal was carried out playing task, current playing task can be asked to add in user's slave terminal, and receiver module 601 also is used for receiving joining request of at least one slave terminal transmission; Comprise the user during this joins request to the playing task sign of at least one slave terminal input, sending module 602 also is used for joining request to the main control terminal transmission; After joining request to the main control terminal transmission, if receiver module 601 receives the response message that main control terminal is adhereed to, then sending module 602 sends the response message of accepting adding at least one slave terminal, and the playing task sign is associated with at least one slave terminal; If receiver module 601 receives the response message that main control terminal is disagreed with adding, then sending module 602 sends the response message that refusal adds at least one slave terminal.
When the user wished to use certain slave terminal to control a plurality of terminal, receiver module 601 also was used for the request message for the ownership that obtains playing task of the first terminal transmission of at least one slave terminal of reception;
Sending module 602 also is used for sending ownership to first terminal and shifts indication information, so that this first terminal becomes new main control terminal; Send the indication information of giving the authority to former main control terminal, so that former main control terminal becomes the slave terminal.Concrete, the modules in the above-mentioned control device is corresponding preceding method embodiment one to embodiment five in the process of the collaborative media stream in multiple terminals, does not repeat them here.
Among the collaborative media stream control device embodiment one in multiple terminals of the present invention, the receiver module in the control device that provides can receive the broadcast state information that main control terminal sends; Sending module can send to broadcast state information at least one slave terminal, so that the synchronous media stream in a plurality of multimedia terminals of user; Sending module, receiver module, creation module and determination module co-operation offer the better audiovisual impression of user in addition.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can be finished by the relevant hardware of program command.Aforesaid program can be stored in the computer read/write memory medium.This program is carried out the step that comprises above-mentioned each embodiment of the method when carrying out; And aforesaid storage medium comprises: the various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above each embodiment is not intended to limit only in order to technical scheme of the present invention to be described; Although with reference to aforementioned each embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps some or all of technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. the control method of the collaborative media stream in multiple terminals is characterized in that, comprising:
Receive the current broadcast state information that main control terminal sends;
Send described current broadcast state information at least one slave terminal, so that described at least one slave terminal is according to described current broadcast state information and the synchronous broadcast state of described main control terminal.
2. method according to claim 1 is characterized in that, before the current broadcast state information that the described main control terminal of described reception sends, also comprises:
Receive the establishment playing task request that described main control terminal sends, comprise playing task information to be created in the request of described establishment playing task;
Create the playing task corresponding with described playing task information, and send playing task sign and ownership indication information to described main control terminal, and described playing task sign is associated with described main control terminal.
3. method according to claim 2 is characterized in that, before the described establishment playing task corresponding with described playing task information, also comprises:
Determine whether to support collaborative the broadcast;
The playing task that described establishment is corresponding with described playing task information to be created comprises:
If support collaborative the broadcast, then create described playing task;
If do not support, described method then also comprises:
Do not support indication information to described main control terminal transmission.
4. method according to claim 2 is characterized in that, described send described current broadcast state information at least one slave terminal before, also comprise:
Receive joining request of described at least one slave terminal transmission, comprise the user in described the joining request to the described playing task sign of described at least one slave terminal input;
Send described joining request to described main control terminal;
If receive the response message that described main control terminal is adhereed to, then send the response message of accepting adding to described at least one slave terminal, and described playing task sign is associated with described at least one slave terminal;
If receive the response message that described main control terminal is disagreed with adding, then send the response message that refusal adds to described at least one slave terminal.
5. method according to claim 2 is characterized in that, also comprises:
Receive the request message for the ownership that obtains described playing task that the first terminal in described at least one slave terminal sends;
Send ownership to described first terminal and shift indication information, so that described first terminal becomes main control terminal;
Send the indication information of giving the authority to described main control terminal, so that described main control terminal becomes the slave terminal.
6. the control device of the collaborative media stream in multiple terminals is characterized in that, comprising:
Receiver module is used for receiving the current broadcast state information that main control terminal sends;
Sending module is used for sending described current broadcast state information at least one slave terminal, so that described at least one slave terminal is according to described current broadcast state information and the synchronous broadcast state of described main control terminal.
7. control device according to claim 6 is characterized in that,
Described receiver module also is used for receiving the establishment playing task request that described main control terminal sends, and comprises playing task information to be created in the request of described establishment playing task;
Described control device also comprises:
Creation module is used for creating the playing task corresponding with described playing task information, and sends playing task sign and ownership indication information to described main control terminal, and described playing task sign is associated with described main control terminal.
8. control device according to claim 7 is characterized in that, also comprises:
Determination module is used for determining whether to support collaborative the broadcast;
Described creation module if specifically be used for supporting collaborative the broadcast, then creates described playing task, if do not support collaborative the broadcast, then sends to described main control terminal and does not support indication information.
9. control device according to claim 7, it is characterized in that, described receiver module also is used for receiving joining request of described at least one slave terminal transmission, comprises the user in described the joining request to the described playing task sign of described at least one slave terminal input;
Described sending module also is used for sending described joining request to described main control terminal; If described receiver module receives the response message that described main control terminal is adhereed to, then send the response message of accepting adding to described at least one slave terminal, and described playing task sign is associated with described at least one slave terminal; If described receiver module receives the response message that described main control terminal is disagreed with adding, then send the response message that refusal adds to described at least one slave terminal.
10. control device according to claim 7 is characterized in that,
Described receiver module, the request message for the ownership that obtains described playing task that also sends for the first terminal that receives described at least one slave terminal;
Described sending module also is used for sending ownership to described first terminal and shifts indication information, so that described first terminal becomes main control terminal, sends the indication information of giving the authority to described main control terminal, so that described main control terminal becomes the slave terminal.
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