CN104244027A - Control method and system used for live transmission and play process sharing of audio/video data - Google Patents
Control method and system used for live transmission and play process sharing of audio/video data Download PDFInfo
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- CN104244027A CN104244027A CN201410520423.6A CN201410520423A CN104244027A CN 104244027 A CN104244027 A CN 104244027A CN 201410520423 A CN201410520423 A CN 201410520423A CN 104244027 A CN104244027 A CN 104244027A
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- 238000012544 monitoring process Methods 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims description 40
- 238000012360 testing method Methods 0.000 claims description 24
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Abstract
The invention provides a control method and system used for live transmission and play process sharing of audio/video data. The control method includes that a sending end circulates in a preset period to acquire a network maximum delay among the sending end and multiple receiving ends; the prestored audio/video data are fluidized by the sending end; the sending end transmits the audio/video data and senses a play process command input by the user in the monitoring time slot; after senses that the user inputs the play process command, the sending ends sends the play data file which is composed of the play process command and audio/video data frame number executing the play process command to the receiving ends; the receiving ends send received information to the sending end, so that the sending end and the receiving ends synchronously execute the play progress command. According to the arrangement, pause and play commands are implemented among multiple mobile terminals during the whole play process.
Description
Technical field
The invention belongs to video technology of sharing field in mobile communications network, relate to a kind of control method and system, particularly relate to a kind of audio/video data real-time Transmission and the control method of shared broadcasting process and system.
Background technology
Along with the development of present mobile communication, particularly along with 3G (the Third Generation, the third generation communication technology) extensive use of mobile network and 4G (the Forth Generation, forth generation communication progression) appearance of mobile network, user more and more pays close attention to amusement and the enjoyment to life.
Thus, when in daily life, work, study, especially journey and leisurely and carefree when, people often can think to view and admire film together, appreciate song or music etc., such as, in our daily life, sometimes can run into such special occasions: teacher leads student to learn to botanical garden to identify plant, period teacher has a rare plant documentary film video to want to watch together with classmates, have collected the video segment of a lot of rare plant in documentary film; In order to reach teaching purpose, teacher requires that students is when watching video, as long as the plant running into oneself understanding will suspend viewing video at once, and tells about the title of this Plants to everybody, the knowledge such as subject and habit; After having told about, everybody continues to watch video.In this case, due to occasion restriction, teacher can only utilize mobile phone terminal very universal at present as teaching facilities; In order to reach teaching purpose, will there are three problem points needs to solve:
The first. the terminal that audio video document is transferred to students by teacher one by one can waste the plenty of time.
The second, the necessary synchronous broadcasting of all terminals, can not be poor if having time.
Three, the terminal of all viewing videos all must be suspended and play operation instruction whole broadcasting process.
Thus, how to provide a kind of audio/video data real-time Transmission and the control method of shared broadcasting process and system, synchronous broadcasting cannot be really realized to solve between mobile terminal of the prior art, between cannot realizing between multiple mobile terminal mutually, whole broadcasting process is suspended and the many disadvantages such as play operation instruction, become practitioner in the art's technical problem urgently to be resolved hurrily in fact.
Summary of the invention
The shortcoming of prior art in view of the above, the object of the present invention is to provide a kind of audio/video data real-time Transmission and the control method of shared broadcasting process and system, cannot really realize synchronous broadcasting for solving in prior art between mobile terminal, between cannot realizing between multiple mobile terminal mutually, whole broadcasting process being suspended and the problem of play operation instruction.
For achieving the above object and other relevant objects, one aspect of the present invention provides a kind of audio/video data real-time Transmission and shares the control method of broadcasting process, the communication network that the multiple receiving terminals being applied to transmitting terminal and be connected with described transmitting terminal form, audio/video data and the test data being configured with flag bit is prestored in described transmitting terminal, and play described audio/video data to determine playback rate, the control method that described audio/video data real-time Transmission also shares broadcasting process comprises: described transmitting terminal circulation obtains network maximum delay time between described transmitting terminal and described multiple receiving terminal within a predetermined period of time, the described audio/video data prestored is carried out fluidization treatment by described transmitting terminal, described fluidization treatment comprises and described audio/video data is divided into some audio/video data fragments, exists and monitor time slot between described audio/video data fragment, described transmitting terminal transmits described audio/video data, and the broadcasting process instruction of sensing user input in described monitoring time slot, described broadcasting process instruction comprises beginning play instruction, suspends play instruction or recover play instruction, described beginning play instruction, time-out play instruction or recovery play instruction are configured with respectively and start identifier, time-out identifier or recover identifier, when described transmitting terminal sense user input described broadcasting process instruction time, the playable data files of the audio/video data frame number composition by described broadcasting process instruction and when performing this broadcasting process instruction is sent to described receiving terminal, and described receiving terminal sends and received information to described transmitting terminal so that described transmitting terminal and described receiving terminal synchronously perform described broadcasting process instruction.
Alternatively, described audio/video data real-time Transmission share the control method of broadcasting process and also comprise: described test data is sent to multiple receiving terminal in the starting stage by described transmitting terminal respectively, and records delivery time; Described receiving terminal feeds back data and has received response to described transmitting terminal after receiving described test data, described transmitting terminal records the time of reception receiving after described test data receives response; According to described delivery time with obtained network maximum delay time between described transmitting terminal and described multiple receiving terminal the time of reception.
Alternatively, when described transmitting terminal sense user input described broadcasting process instruction for start play instruction time, the playable data files of the initial frame number composition of described beginning play instruction and audio/video data is sent to described receiving terminal, and described receiving terminal sends and has received information to described transmitting terminal so that described transmitting terminal and described receiving terminal synchronously start to play described audio/video data; When described transmitting terminal sense user input described broadcasting process instruction for suspend play instruction time, the playable data files of the frame number composition of the audio/video data by described time-out play instruction and when performing this time-out play instruction is sent to described receiving terminal, and described receiving terminal sends and received information to described transmitting terminal so that described transmitting terminal and described receiving terminal synchronously suspend play described audio/video data; When described transmitting terminal sense user input described broadcasting process instruction for recover play instruction time, the playable data files described recovery play instruction and described execution being suspended the frame number composition of audio/video data during play instruction described in this is sent to described receiving terminal, and described receiving terminal sends and received information to described transmitting terminal so that described transmitting terminal and described receiving terminal synchronously recover to play described audio/video data.
Alternatively, start identifier when described transmitting terminal detects in described broadcasting process instruction to exist, just sense user and input described broadcasting process instruction for starting play instruction; Suspend identifier when described transmitting terminal detects in described broadcasting process instruction to exist, just sense user and input described broadcasting process instruction for suspending play instruction; Recover identifier when described transmitting terminal detects in described broadcasting process instruction to exist, just sense user and input described broadcasting process instruction for recovering play instruction.
Alternatively, the step also needing the frame number of the audio/video data obtained when user inputs described broadcasting process instruction when described broadcasting process instruction is and suspends play instruction is inputted when described transmitting terminal senses user, this step also comprises the frame number of the audio/video data calculated when performing this time-out play instruction, the described step of frame number calculating audio/video data when performing this time-out play instruction comprises: described transmitting terminal senses user and inputs the frame number that described broadcasting process instruction is the video data obtained when suspending play instruction when user inputs described time-out play instruction, the frame number of video data when inputting described time-out play instruction according to the user got, determine playback rate and frame number that between the described transmitting terminal got and described multiple receiving terminal, network maximum delay time calculates audio/video data when performing this time-out play instruction.
Alternatively, the computing formula of frame number of the audio/video data calculated when performing this time-out play instruction is: the frame number of video data when frame number=user of audio/video data when performing this time-out play instruction inputs described time-out play instruction+ determined network maximum delay time between playback rate × described transmitting terminal and described multiple receiving terminal.
Alternatively, between transmitting terminal and described multiple receiving terminal, network maximum delay time is loop test gained within a predetermined period of time in described audio/video data real-time Transmission and described in the control method sharing broadcasting process.
Alternatively, in described monitoring time slot, the broadcasting process instruction of sensing user input comprises the broadcasting process instruction that the user as transmitting terminal inputs and the broadcasting process instruction inputted as the user of receiving terminal, when the broadcasting process instruction of sensing user input in described monitoring time slot is the broadcasting process instruction inputted as the user of receiving terminal, the broadcasting process instruction that the user as receiving terminal inputs does not comprise beginning play instruction; When the described receiving terminal user sensed as receiving terminal inputs the frame number that described broadcasting process instruction is the video data obtained when suspending play instruction when user inputs described time-out play instruction; The frame number of video data when inputting described time-out play instruction according to the user got, determine playback rate and frame number that between the described transmitting terminal got and described multiple receiving terminal, network maximum delay time calculates audio/video data when performing this time-out play instruction.
The present invention also provides a kind of audio/video data real-time Transmission on the other hand and shares the control system of broadcasting process, the communication network that the multiple receiving terminals being applied to transmitting terminal and be connected with described transmitting terminal form, audio/video data and the test data being configured with flag bit is prestored in described transmitting terminal, described transmitting terminal plays described audio/video data to determine playback rate, the control system that described audio/video data real-time Transmission also shares broadcasting process comprises: acquisition module, be located on described transmitting terminal, network maximum delay time between described transmitting terminal and described multiple receiving terminal is obtained within a predetermined period of time for circulation, fluidization treatment module, is located on described transmitting terminal, for the described audio/video data prestored is carried out fluidization treatment, described fluidization treatment comprises and described audio/video data is divided into some audio/video data fragments, exists and monitor time slot between described audio/video data fragment, first communication module, is located on described transmitting terminal, for transmitting described audio/video data, and the broadcasting process instruction of sensing user input in described monitoring time slot, described broadcasting process instruction comprises beginning play instruction, suspends play instruction or recover play instruction, described beginning play instruction, time-out play instruction or recovery play instruction are configured with respectively and start identifier, time-out identifier or recover identifier, first Executive Module, be located on described transmitting terminal, for when sensing user and inputting described broadcasting process instruction, the playable data files of the audio/video data frame number composition by described broadcasting process instruction and when performing this broadcasting process instruction is sent to second communication module, and described second communication module sends and received information to first communication module so that described transmitting terminal and described receiving terminal synchronously perform described broadcasting process instruction.
Alternatively, the control system that described audio/video data real-time Transmission also shares broadcasting process also comprises: the second Executive Module, be located on described receiving terminal, for sensing user when described receiving terminal, to input described broadcasting process instruction be the frame number obtaining audio/video data when user inputs described time-out play instruction when suspending play instruction, the frame number of audio/video data when inputting described time-out play instruction according to the user got, determine playback rate, and network maximum delay time calculates the frame number of audio/video data when performing this time-out play instruction between the described transmitting terminal got and described multiple receiving terminal.
As mentioned above, audio/video data real-time Transmission of the present invention also shares control method and the system of broadcasting process, has following beneficial effect:
As long as 1, audio/video data real-time Transmission of the present invention share the control method of broadcasting process and system and can realize terminal arbitrarily and have available audiovisual audio/video data, just can give all terminals by audio-visual data real-time Transmission, realize transmission limit, limit synchronous playing function.
2, audio/video data real-time Transmission of the present invention share the control method of broadcasting process and system can realize not only making audio/video data owner can control broadcasting process, other all terminals can control broadcasting process.
Accompanying drawing explanation
Fig. 1 is shown as audio/video data real-time Transmission of the present invention and shares the control method schematic flow sheet of broadcasting process.
Fig. 2 is shown as audio/video data real-time Transmission of the present invention and shares in the control method step S6 of broadcasting process and plays the schematic flow sheet that process instruction is beginning play instruction.
Fig. 3 is shown as audio/video data real-time Transmission of the present invention and shares in the control method step S6 of broadcasting process and plays the schematic flow sheet that process instruction is time-out play instruction.
Fig. 4 is shown as audio/video data real-time Transmission of the present invention and shares in the control method step S6 of broadcasting process and plays the schematic flow sheet that process instruction is recovery play instruction.
Fig. 5 is shown as audio/video data real-time Transmission of the present invention and shares the control system theory structure schematic diagram of broadcasting process.
Element numbers explanation
1 audio/video data real-time Transmission is also total to
Enjoy the control system of broadcasting process
11 first communication modules
12 second communication modules
13 logging modles
14 first acquisition modules
15 fluidization treatment modules
16 first Executive Modules
17 second acquisition modules
18 second Executive Modules
S1 ~ S6 step
Embodiment
Below by way of specific instantiation, embodiments of the present invention are described, those skilled in the art the content disclosed by this specification can understand other advantages of the present invention and effect easily.The present invention can also be implemented or be applied by embodiments different in addition, and the every details in this specification also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present invention.It should be noted that, when not conflicting, the feature in following examples and embodiment can combine mutually.
It should be noted that, the diagram provided in following examples only illustrates basic conception of the present invention in a schematic way, then only the assembly relevant with the present invention is shown in graphic but not component count, shape and size when implementing according to reality is drawn, it is actual when implementing, and the kenel of each assembly, quantity and ratio can be a kind of change arbitrarily, and its assembly layout kenel also may be more complicated.
The invention provides a kind of audio/video data real-time Transmission and the control method of shared broadcasting process and system, its inventive principle is as follows: before use, and multiple mobile terminal is undertaken interconnected by transmission medium (BT/WIFI etc.); Have the mobile terminal in audio-visual data source, be called transmitting terminal; Other mobile terminals are called receiving terminal; Transmitting terminal transmits audio-visual data simultaneously to other multiple receiving terminals and sends plays Process flowchart instruction; All receiving terminals, receive audio-visual data source simultaneously and play Process flowchart instruction; The Data Analysis received is audio-visual data source and plays Process flowchart instruction two parts by receiving terminal usage data resolver, carries out playing the audio-visual data received again after being parsed according to the instruction of broadcasting Process flowchart; Any receiving terminal can postback the request of playing Process flowchart instruction to transmitting terminal simultaneously; The broadcasting Process flowchart instruction received can be transferred to all receiving terminals by transmitting terminal again; All like this receiving terminals not only can watch same audio video document with transmitting terminal simultaneously, and all terminals can control broadcasting process.
Detailed implementation of the present invention is as follows:
Transmitting terminal and all receiving terminals interconnected; Transmitting terminal is first by data streaming process; Stream of audiovisual data sends to other receiving terminals by transmitting terminal successively; After transmitting terminal receives the broadcasting process instruction that oneself or other receiving terminals send over, according to the frame number that current player is being play, the relation of playback rate and network maximum delay time three calculates the frame number play when process instruction performs; Broadcasting process instruction and frame number are sent to other receiving terminals by transmitting terminal, and assign to oneself player and start to perform this at new frame number and play process instruction; The broadcasting process instruction that receiving terminal limit reception stream of audiovisual data limit monitoring transmitting terminal sends over and frame number; Once receive new broadcasting process instruction and frame number, then, when the player plays of oneself is to corresponding frame number, start to perform the broadcasting process instruction received; When receiving terminal needs perform time-out or play, only need the broadcasting process instruction sending oneself requirement to transmitting terminal.
Embodiment one
The present embodiment provides a kind of audio/video data real-time Transmission and shares the control method of broadcasting process, the communication network that the multiple receiving terminals being applied to transmitting terminal and be connected with described transmitting terminal form, prestore audio/video data and the test data being configured with flag bit in described transmitting terminal, and play described audio/video data to determine playback rate.Described transmitting terminal and receiving terminal can be smart mobile phone, panel computer, notebook computer etc. mobile terminal.In the present embodiment, described transmitting terminal and receiving terminal adopt smart mobile phone.Refer to Fig. 1, be shown as audio/video data real-time Transmission and the control method schematic flow sheet of shared broadcasting process, the control method that described audio/video data real-time Transmission also shares broadcasting process comprises:
S1, described test data is sent to multiple receiving terminal in the starting stage by described transmitting terminal respectively, and records delivery time t1.In the present embodiment, the data volume of described test data is 1bit.
S2, described receiving terminal feeds back data and has received response to described transmitting terminal after receiving described test data, described transmitting terminal receive to record after described test data receives response the time of reception t2.
S3, according to described delivery time t1 with the time of reception, t2 obtained network maximum delay time between described transmitting terminal and described multiple receiving terminal.In this step S3, calculate network-induced delay between described transmitting terminal and described multiple receiving terminal, in multiple network-induced delay, select maximum network-induced delay, computing formula is:
Network-induced delay between transmitting terminal and multiple receiving terminal=(the time of reception t2-delivery time t1)/2 (1)
Network maximum delay time between described transmitting terminal and described multiple receiving terminal is obtained network-induced delay between the transmitting terminal calculated and multiple receiving terminal.In the present embodiment, network maximum delay time loop test gained within a predetermined period of time between the described transmitting terminal of acquisition and described multiple receiving terminal, this predetermined amount of time can artificially be arranged.
S4, the described audio/video data prestored is carried out fluidization treatment by described transmitting terminal; Described fluidization treatment comprises and described audio/video data is divided into some audio/video data fragments, exists and monitor time slot between described audio/video data fragment.
S5, when after the complete described audio/video data of fluidization treatment, described transmitting terminal transmits described audio/video data, and in described monitoring time slot, sense the broadcasting process instruction that the user as transmitting terminal inputs.Described broadcasting process instruction comprises beginning play instruction, suspends play instruction or recover play instruction.Described beginning play instruction, time-out play instruction or recovery play instruction are configured with respectively and start identifier, time-out identifier or recover identifier.Described beginning identifier, time-out identifier or recovery identifier are referred to as plays process instruction identifier.
S6, when the described transmitting terminal user sensed as transmitting terminal inputs described broadcasting process instruction, the playable data files of the audio/video data frame number composition by described broadcasting process instruction and when performing this broadcasting process instruction is sent to described receiving terminal, and described receiving terminal sends and received information to described transmitting terminal so that described transmitting terminal and described receiving terminal synchronously perform described broadcasting process instruction.
In this step S6, refer to Fig. 2, being shown as in step S6 and playing process instruction is the schematic flow sheet starting play instruction.
S61, detecting according to described broadcasting process instruction identifier is which kind of plays process instruction, start identifier when described transmitting terminal detects in described broadcasting process instruction to exist, the user just sensed as transmitting terminal inputs described broadcasting process instruction for starting play instruction.
S62, when the described transmitting terminal user sensed as transmitting terminal inputs described broadcasting process instruction for starting play instruction, is sent to described receiving terminal by the playable data files of the initial frame number composition of described beginning play instruction and audio/video data.
S63, described receiving terminal sends and has received information to described transmitting terminal so that described transmitting terminal and described receiving terminal synchronously start to play described audio/video data.
In this step S6, refer to Fig. 3, being shown as in step S6 and playing process instruction is the schematic flow sheet suspending play instruction.
S61 ', detecting according to described broadcasting process instruction identifier is which kind of plays process instruction, suspend identifier when described transmitting terminal detects in described broadcasting process instruction to exist, the user just sensed as transmitting terminal inputs described broadcasting process instruction for suspending play instruction.
S62 ', the user sensed as transmitting terminal when described transmitting terminal inputs the frame number that described broadcasting process instruction is the audio/video data of acquisition when the user as transmitting terminal inputs described broadcasting process instruction when suspending play instruction, this step also comprises the frame number of audio/video data calculated when performing this time-out play instruction, and the step of the frame number of audio/video data when described calculating performs this time-out play instruction specifically comprises:
The described transmitting terminal user sensed as transmitting terminal inputs the frame number that described broadcasting process instruction is the video data obtained when suspending play instruction when user inputs described time-out play instruction.
The frame number of video data when inputting described time-out play instruction according to the user as transmitting terminal got, determine playback rate and frame number that between the described transmitting terminal got and described multiple receiving terminal, network maximum delay time calculates audio/video data when performing this time-out play instruction.
The computing formula calculating the frame number of audio/video data when performing this time-out play instruction is:
The frame number of audio/video data when performing this time-out play instruction=input as the user of transmitting terminal
The frame of video data during described time-out play instruction
Number+ determine network maximum delay time (2) between playback rate × described transmitting terminal and described multiple receiving terminal
S63 ', when the described transmitting terminal user sensed as transmitting terminal inputs described broadcasting process instruction for suspending play instruction, the playable data files of the frame number composition of the audio/video data by described time-out play instruction and when performing this time-out play instruction is sent to described receiving terminal.
S64 ', described receiving terminal sends and has received information to described transmitting terminal so that described transmitting terminal and described receiving terminal synchronously suspend play described audio/video data.
In this step S6, refer to Fig. 4, being shown as in step S6 and playing process instruction is the schematic flow sheet recovering play instruction.
S61 "; detecting according to described broadcasting process instruction identifier is which kind of plays process instruction; recover identifier when described transmitting terminal detects in described broadcasting process instruction to exist, and the user just sensed as transmitting terminal inputs described broadcasting process instruction for recovering play instruction.
S62 "; when the described transmitting terminal user sensed as transmitting terminal inputs described broadcasting process instruction for recovering play instruction, the playable data files described recovery play instruction and described execution being suspended the frame number composition of audio/video data during play instruction described in this is sent to described receiving terminal.
S63 ", described receiving terminal sends and has received information to described transmitting terminal so that described transmitting terminal and described receiving terminal synchronously recover to play described audio/video data.
In the present embodiment, described transmitting terminal is while sending broadcasting process instruction to multiple receiving terminal, the broadcasting process instruction of described transmitting terminal sensing user input in described monitoring time slot comprises the broadcasting process instruction that the user as transmitting terminal inputs and the broadcasting process instruction inputted as the user of receiving terminal, when the broadcasting process instruction of sensing user input in described monitoring time slot is the broadcasting process instruction inputted as the user of receiving terminal, the broadcasting process instruction that the user as receiving terminal inputs does not comprise beginning play instruction.Sense user with the user as transmitting terminal and input that to play process instruction be that principle when suspending play instruction is identical, namely input when described receiving terminal senses user the frame number that described broadcasting process instruction is the video data obtained when suspending play instruction when user inputs described time-out play instruction.
The frame number of video data when inputting described time-out play instruction according to the user got, determine playback rate and frame number that between the described transmitting terminal got and described multiple receiving terminal, network maximum delay time calculates audio/video data when performing this time-out play instruction.
When described receiving terminal sense user input described broadcasting process instruction for recovering play instruction time, by perform described in described recovery play instruction to suspend play instruction described in this time audio/video data the playable data files of frame number composition be sent to described transmitting terminal.
Described transmitting terminal sends and has received information to described receiving terminal so that described transmitting terminal and described receiving terminal synchronously recover to play described audio/video data.
Audio/video data real-time Transmission described in the present embodiment also shares the control method of broadcasting process by carrying out interconnected to multiple mobile terminal, as long as terminal has available audiovisual audio/video data arbitrarily, just can give all terminals by audio-visual data real-time Transmission, realize transmission limit, limit synchronous playing function, the more important thing is that not only audio/video data owner can control broadcasting process, other all terminals can control broadcasting process.
Embodiment two
The present embodiment provides a kind of audio/video data real-time Transmission and shares the control system 1 of broadcasting process, the communication network that the multiple receiving terminals being applied to transmitting terminal and be connected with described transmitting terminal form, prestore audio/video data and the test data being configured with flag bit in described transmitting terminal, and play described audio/video data to determine playback rate.Described transmitting terminal and receiving terminal can be smart mobile phone, panel computer, notebook computer etc. mobile terminal.In the present embodiment, described transmitting terminal and receiving terminal adopt smart mobile phone.Refer to Fig. 5, be shown as audio/video data real-time Transmission and the control system theory structure schematic diagram of shared broadcasting process, the control system 1 that described audio/video data real-time Transmission also shares broadcasting process comprises: first communication module 11, second communication module 12, logging modle 13, first acquisition module 14, fluidization treatment module 15, first Executive Module 16, second acquisition module 17 and the second Executive Module 18.
Described first communication module 11 is for being sent to the second communication module 12 of multiple receiving terminal respectively by described test data in the starting stage.Meanwhile, described logging modle 13 is for recording delivery time t1.In the present embodiment, the data volume of described test data is 1bit.
The second communication module 12 of described receiving terminal has received the described first communication module 11 of response to described transmitting terminal for feeding back data after receiving described test data, the first communication module 11 on described transmitting terminal receive described test data received response after described logging modle 13 record the time of reception t2.
Be located at the first acquisition module 14 on described transmitting terminal, for circulation within a predetermined period of time according to described delivery time t1 with the time of reception, t2 obtained network maximum delay time between described transmitting terminal and described multiple receiving terminal.In the present embodiment, described first acquisition module 14 is also for inputting described broadcasting process instruction during user, obtain the frame number of the audio/video data when the user as transmitting terminal inputs described broadcasting process instruction, particularly obtain the frame number of the audio/video data when user inputs time-out play instruction or recover play instruction.
Calculate network-induced delay between described transmitting terminal and described multiple receiving terminal, in multiple network-induced delay, select maximum network-induced delay to obtain network maximum delay time between described transmitting terminal and described multiple receiving terminal, computing formula is:
Network-induced delay between transmitting terminal and multiple receiving terminal=(the time of reception t2-delivery time t1)/2 (1)
Network maximum delay time between described transmitting terminal and described multiple receiving terminal is obtained network-induced delay between the transmitting terminal calculated and multiple receiving terminal.In the present embodiment, network maximum delay time loop test gained within a predetermined period of time between the described transmitting terminal of acquisition and described multiple receiving terminal, this predetermined amount of time can artificially be arranged.
Be located at fluidization treatment module 15 on described transmitting terminal for the described audio/video data prestored is carried out fluidization treatment.Described fluidization treatment comprises and described audio/video data is divided into some audio/video data fragments, exists and monitor time slot between described audio/video data fragment
Described first communication module 11 removes for transmitting described audio/video data, also for the broadcasting process instruction of the input of sensing user in described monitoring time slot.Described broadcasting process instruction comprises beginning play instruction, suspends play instruction or recover play instruction; Described beginning play instruction, time-out play instruction or recovery play instruction are configured with respectively and start identifier, time-out identifier or recover identifier.
Be located on described transmitting terminal, the first Executive Module 16 be connected with described first acquisition module 14 and fluidization treatment module 15 is respectively for when sensing user and inputting described broadcasting process instruction, the playable data files of the audio/video data frame number composition by described broadcasting process instruction and when performing this broadcasting process instruction is sent to second communication module 12, and the described second communication module 12 of described receiving terminal sends and receives the first communication module 11 of information to described transmitting terminal so that described transmitting terminal and described receiving terminal synchronously perform described broadcasting process instruction.
Described first Executive Module 16 is which kind of plays process instruction for detecting according to described broadcasting process instruction identifier, start identifier when detecting in described broadcasting process instruction to exist, the user just sensed as transmitting terminal inputs described broadcasting process instruction for starting play instruction.When the described transmitting terminal user sensed as transmitting terminal inputs described broadcasting process instruction for starting play instruction, the playable data files of the initial frame number composition of described beginning play instruction and audio/video data is sent to described receiving terminal, and described receiving terminal sends and has received information to described transmitting terminal so that described transmitting terminal and described receiving terminal synchronously start to play described audio/video data.
Described first Executive Module 16 is also which kind of plays process instruction for detecting according to described broadcasting process instruction identifier, identifier is suspended when described transmitting terminal detects in described broadcasting process instruction to exist, just the user sensed as transmitting terminal inputs described broadcasting process instruction for suspending play instruction, input as the user of transmitting terminal the frame number that described broadcasting process instruction is the audio/video data of acquisition when the user as transmitting terminal inputs described broadcasting process instruction when suspending play instruction when sensing, calculate the frame number of audio/video data when performing this time-out play instruction, the frame number of video data when inputting described time-out play instruction according to the user as transmitting terminal got, determine playback rate, and network maximum delay time calculates the frame number of audio/video data when performing this time-out play instruction between the described transmitting terminal got and described multiple receiving terminal.
The computing formula calculating the frame number of audio/video data when performing this time-out play instruction is:
The frame number of audio/video data when performing this time-out play instruction=input as the user of transmitting terminal
The frame of video data during described time-out play instruction
Number+ determine network maximum delay time (2) between playback rate × described transmitting terminal and described multiple receiving terminal
When the described transmitting terminal user sensed as transmitting terminal inputs described broadcasting process instruction for suspending play instruction, the playable data files of the frame number composition of the audio/video data by described time-out play instruction and when performing this time-out play instruction is sent to described second communication module 12.Described second communication module 12 sends and receives information to described transmitting terminal so that described transmitting terminal and described receiving terminal synchronously suspend play described audio/video data.
Described first Executive Module 16 is also which kind of plays process instruction for detecting according to described broadcasting process instruction identifier, identifier is recovered when described transmitting terminal detects in described broadcasting process instruction to exist, just the user sensed as transmitting terminal inputs described broadcasting process instruction for recovering play instruction, when the described transmitting terminal user sensed as transmitting terminal inputs described broadcasting process instruction for recovering play instruction, the playable data files described recovery play instruction and described execution being suspended the frame number composition of audio/video data during play instruction described in this is sent to described second communication module 12, described second communication module 12 sends and receives information to described first communication module so that described transmitting terminal and described receiving terminal synchronously recover to play described audio/video data.
In the present embodiment, described transmitting terminal is while sending broadcasting process instruction to multiple receiving terminal, the broadcasting process instruction of described transmitting terminal sensing user input in described monitoring time slot comprises the broadcasting process instruction that the user as transmitting terminal inputs and the broadcasting process instruction inputted as the user of receiving terminal, when the broadcasting process instruction of sensing user input in described monitoring time slot is the broadcasting process instruction inputted as the user of receiving terminal, the broadcasting process instruction that the user as receiving terminal inputs does not comprise beginning play instruction.Sense user with the user as transmitting terminal and input that to play process instruction be that principle when suspending play instruction is identical, namely input when described receiving terminal senses user the frame number that described broadcasting process instruction is the video data obtained when suspending play instruction when user inputs described time-out play instruction.Therefore, described audio/video data real-time Transmission share the control system 1 of broadcasting process and also comprise second acquisition unit 17, second Executive Module 18.
Second acquisition module 17 is located on described receiving terminal, described second acquisition module 17 is for obtaining network maximum delay time between described transmitting terminal and described multiple receiving terminal, time also for inputting described suspending/resuming play instruction user, obtain the frame number of the audio/video data when the user as receiving terminal inputs described suspending/resuming play instruction.Described second module 17 also for obtaining network maximum delay time between described transmitting terminal and described multiple receiving terminal from described first acquisition module 14.
Described second Executive Module 18 is located on described receiving terminal, it is which kind of plays process instruction that described second Executive Module 18 detects according to described broadcasting process instruction identifier, identifier is suspended when described transmitting terminal detects in described broadcasting process instruction to exist, just the user sensed as transmitting terminal inputs described broadcasting process instruction for suspending play instruction, the frame number of video data when inputting described time-out play instruction according to the user got, determine playback rate, and network maximum delay time calculates the frame number of audio/video data when performing this time-out play instruction between the described transmitting terminal got and described multiple receiving terminal.When sensing user and inputting described broadcasting process instruction for recovering play instruction, the playable data files described recovery play instruction and described execution being suspended the frame number composition of audio/video data during play instruction described in this is sent to described first communication module 11.Described first communication module 11 sends and receives information to described second communication module 12 so that described transmitting terminal and described receiving terminal synchronously recover to play described audio/video data.
Described second Executive Module 18 is also which kind of plays process instruction for detecting according to described broadcasting process instruction identifier, identifier is recovered when described transmitting terminal detects in described broadcasting process instruction to exist, just the user sensed as receiving terminal inputs described broadcasting process instruction for recovering play instruction, when the described transmitting terminal user sensed as receiving terminal inputs described broadcasting process instruction for recovering play instruction, the playable data files described recovery play instruction and described execution being suspended the frame number composition of audio/video data during play instruction described in this is sent to described first communication module 11, described first communication module 11 sends and receives information to described second communication module 12 so that described transmitting terminal and described receiving terminal synchronously recover to play described audio/video data.
Audio/video data real-time Transmission of the present invention also shares the control method of broadcasting process by carrying out interconnected to multiple mobile terminal, as long as terminal has available audiovisual audio/video data arbitrarily, just can give all terminals by audio-visual data real-time Transmission, realize transmission limit, limit synchronous playing function, the more important thing is that not only audio/video data owner can control broadcasting process, other all terminals can control broadcasting process.
So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Above-described embodiment is illustrative principle of the present invention and effect thereof only, but not for limiting the present invention.Any person skilled in the art scholar all without prejudice under spirit of the present invention and category, can modify above-described embodiment or changes.Therefore, such as have in art usually know the knowledgeable do not depart from complete under disclosed spirit and technological thought all equivalence modify or change, must be contained by claim of the present invention.
Claims (10)
1. an audio/video data real-time Transmission share the control method of broadcasting process, the communication network that the multiple receiving terminals being applied to transmitting terminal and be connected with described transmitting terminal form, audio/video data and the test data being configured with flag bit is prestored in described transmitting terminal, and play described audio/video data to determine playback rate, it is characterized in that, the control method that described audio/video data real-time Transmission also shares broadcasting process comprises:
Described transmitting terminal circulation obtains network maximum delay time between described transmitting terminal and described multiple receiving terminal within a predetermined period of time;
The described audio/video data prestored is carried out fluidization treatment by described transmitting terminal; Described fluidization treatment comprises and described audio/video data is divided into some audio/video data fragments, exists and monitor time slot between described audio/video data fragment;
Described transmitting terminal transmits described audio/video data, and the broadcasting process instruction of sensing user input in described monitoring time slot; Described broadcasting process instruction comprises beginning play instruction, suspends play instruction or recover play instruction; Described beginning play instruction, time-out play instruction or recovery play instruction are configured with respectively and start identifier, time-out identifier or recover identifier;
When described transmitting terminal sense user input described broadcasting process instruction time, the playable data files of the audio/video data frame number composition by described broadcasting process instruction and when performing this broadcasting process instruction is sent to described receiving terminal, and described receiving terminal sends and received information to described transmitting terminal so that described transmitting terminal and described receiving terminal synchronously perform described broadcasting process instruction.
2. audio/video data real-time Transmission according to claim 1 also shares the control method of broadcasting process, it is characterized in that: the control method that described audio/video data real-time Transmission also shares broadcasting process also comprises:
Described test data is sent to multiple receiving terminal in the starting stage by described transmitting terminal respectively, and records delivery time;
Described receiving terminal feeds back data and has received response to described transmitting terminal after receiving described test data, described transmitting terminal records the time of reception receiving after described test data receives response;
According to described delivery time with obtained network maximum delay time between described transmitting terminal and described multiple receiving terminal the time of reception.
3. audio/video data real-time Transmission according to claim 1 also shares the control method of broadcasting process, it is characterized in that:
When described transmitting terminal sense user input described broadcasting process instruction for start play instruction time, the playable data files of the initial frame number composition of described beginning play instruction and audio/video data is sent to described receiving terminal, and described receiving terminal sends and has received information to described transmitting terminal so that described transmitting terminal and described receiving terminal synchronously start to play described audio/video data;
When described transmitting terminal sense user input described broadcasting process instruction for suspend play instruction time, the playable data files of the frame number composition of the audio/video data by described time-out play instruction and when performing this time-out play instruction is sent to described receiving terminal, and described receiving terminal sends and received information to described transmitting terminal so that described transmitting terminal and described receiving terminal synchronously suspend play described audio/video data;
When described transmitting terminal sense user input described broadcasting process instruction for recover play instruction time, the playable data files described recovery play instruction and described execution being suspended the frame number composition of audio/video data during play instruction described in this is sent to described receiving terminal, and described receiving terminal sends and received information to described transmitting terminal so that described transmitting terminal and described receiving terminal synchronously recover to play described audio/video data.
4. audio/video data real-time Transmission according to claim 3 also shares the control method of broadcasting process, it is characterized in that:
Start identifier when described transmitting terminal detects in described broadcasting process instruction to exist, just sense user and input described broadcasting process instruction for starting play instruction;
Suspend identifier when described transmitting terminal detects in described broadcasting process instruction to exist, just sense user and input described broadcasting process instruction for suspending play instruction;
Recover identifier when described transmitting terminal detects in described broadcasting process instruction to exist, just sense user and input described broadcasting process instruction for recovering play instruction.
5. audio/video data real-time Transmission according to claim 3 also shares the control method of broadcasting process, it is characterized in that:
The step also needing the frame number of the audio/video data obtained when user inputs described broadcasting process instruction when described broadcasting process instruction is and suspends play instruction is inputted when described transmitting terminal senses user, this step also comprises the frame number of audio/video data calculated when performing this time-out play instruction, and the step of the frame number of audio/video data when described calculating performs this time-out play instruction comprises:
Described transmitting terminal senses user, and to input described broadcasting process instruction be the frame number obtaining video data when user inputs described time-out play instruction when suspending play instruction;
The frame number of video data when inputting described time-out play instruction according to the user got, determine playback rate and frame number that between the described transmitting terminal got and described multiple receiving terminal, network maximum delay time calculates audio/video data when performing this time-out play instruction.
6. audio/video data real-time Transmission according to claim 4 also shares the control method of broadcasting process, it is characterized in that: the computing formula calculating the frame number of audio/video data when performing this time-out play instruction is:
The frame number of video data when frame number=user of audio/video data when performing this time-out play instruction inputs described time-out play instruction+ determined network maximum delay time between playback rate × described transmitting terminal and described multiple receiving terminal.
7. audio/video data real-time Transmission according to claim 5 share the control method of broadcasting process, is characterized in that: between transmitting terminal and described multiple receiving terminal, network maximum delay time is loop test gained within a predetermined period of time in described audio/video data real-time Transmission and described in the control method sharing broadcasting process.
8. audio/video data real-time Transmission according to claim 1 also shares the control method of broadcasting process, it is characterized in that: in described monitoring time slot, the broadcasting process instruction of sensing user input comprises the broadcasting process instruction that the user as transmitting terminal inputs and the broadcasting process instruction inputted as the user of receiving terminal, when the broadcasting process instruction of sensing user input in described monitoring time slot is the broadcasting process instruction inputted as the user of receiving terminal, the broadcasting process instruction that the user as receiving terminal inputs does not comprise beginning play instruction;
When the described receiving terminal user sensed as receiving terminal inputs the frame number that described broadcasting process instruction is the video data obtained when suspending play instruction when user inputs described time-out play instruction;
The frame number of video data when inputting described time-out play instruction according to the user got, determine playback rate and frame number that between the described transmitting terminal got and described multiple receiving terminal, network maximum delay time calculates audio/video data when performing this time-out play instruction.
9. an audio/video data real-time Transmission share the control system of broadcasting process, the communication network that the multiple receiving terminals being applied to transmitting terminal and be connected with described transmitting terminal form, audio/video data and the test data being configured with flag bit is prestored in described transmitting terminal, described transmitting terminal plays described audio/video data to determine playback rate, it is characterized in that, the control system that described audio/video data real-time Transmission also shares broadcasting process comprises:
Acquisition module, is located on described transmitting terminal, obtains network maximum delay time between described transmitting terminal and described multiple receiving terminal within a predetermined period of time for circulation;
Fluidization treatment module, is located on described transmitting terminal, for the described audio/video data prestored is carried out fluidization treatment; Described fluidization treatment comprises and described audio/video data is divided into some audio/video data fragments, exists and monitor time slot between described audio/video data fragment;
First communication module, is located on described transmitting terminal, for transmitting described audio/video data, and the broadcasting process instruction of sensing user input in described monitoring time slot; Described broadcasting process instruction comprises beginning play instruction, suspends play instruction or recover play instruction; Described beginning play instruction, time-out play instruction or recovery play instruction are configured with respectively and start identifier, time-out identifier or recover identifier;
First Executive Module, be located on described transmitting terminal, for when sensing user and inputting described broadcasting process instruction, the playable data files of the audio/video data frame number composition by described broadcasting process instruction and when performing this broadcasting process instruction is sent to second communication module, and described second communication module sends and received information to first communication module so that described transmitting terminal and described receiving terminal synchronously perform described broadcasting process instruction.
10. audio/video data real-time Transmission according to claim 9 also shares the control system of broadcasting process, it is characterized in that: the control system that described audio/video data real-time Transmission also shares broadcasting process also comprises:
Second Executive Module, be located on described receiving terminal, for sensing user when described receiving terminal, to input described broadcasting process instruction be the frame number obtaining audio/video data when user inputs described time-out play instruction when suspending play instruction, the frame number of audio/video data when inputting described time-out play instruction according to the user got, determine playback rate and between the described transmitting terminal got and described multiple receiving terminal, network maximum delay time calculates this time-out play instruction of execution time the frame number of audio/video data.
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