CN103686326A - Video file synchronous playing control method, smart television and wearable device - Google Patents
Video file synchronous playing control method, smart television and wearable device Download PDFInfo
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Abstract
The invention discloses a video file synchronous playing control method, a smart television and a wearable device. The control method comprises receiving a request signal for establishing wireless communication link; sending an answer signal of establishing the wireless communication link within a set time according to the request signal for establishing the wireless communication link to characterize that the wireless communication link in successfully established; obtaining a video synchronization trigger signal transmitted by the wireless communication link, and according to the video synchronization trigger signal, video-coding real-time-played video signals, then converting the video signals into wireless video signals and transmitting the wireless video signals through the wireless communication link; receiving operation events which are transmitted by the wireless communication link and specifically performed on the wireless video signals, and according to the operation events, synchronously playing the played video signals and the wireless video signals. The video file synchronous playing control method achieves synchronous playing of content played on the smart television on the wearable device.
Description
Technical field
The application relates to the transmission control field of video data, is specifically related to the synchronous control method of playing of video file and system, intelligent television, Wearable equipment.
Background technology
The generation of intelligent television has also been brought up in the combination of traditional tv and the Internet.Intelligent television has main control chip and full open model software platform, carried operating system, can be by user's program that the third party service provider such as installation and uninstall, game provides voluntarily, by this class method, constantly the function of TV is expanded, and can realize and surfing the web by netting twine, wireless network, thereby realize " demand customization ", " TV entertainment " of TV.
Than traditional tv, intelligent television is on the one hand owing to having possessed function of surfing the Net, and accessing Internet in real time can online games, Online Music appreciates, weather inquiry in good time, stock inquiry in good time, news flash etc.; In addition on the one hand, owing to having carried main control chip, operating system, memory function etc., can realize and pay a return visit replay, program request etc., and traditional tv can only passively be seen program, can only select channel, can not on-demand content; Can only watch according to the order of sequence in real time, can not playback replay; Can only receive information, can not be interactive.
But, no matter be traditional tv or intelligent television, the output of its vision signal can only be confined to certain spatial dimension, once leave this spatial dimension, just cannot continue to watch the vision signal of TV output.In addition, for current intelligent television, although can realize, initiatively see program, playback replay, program request, but be also only confined to replay in the machine, program request, cannot be synchronized to that other-end equipment is replayed, program request.
Summary of the invention
The application's technical problem to be solved is to provide the synchronous control method of playing of video file and system, intelligent television, Wearable equipment, after the radio communication chain circuit of successfully having built between Wearable equipment and intelligent television; According to the audio video synchronization triggering signal producing on Wearable equipment, the vision signal that described intelligent television is play carries out being converted into wireless video signal after Video coding processing, through described radio communication chain circuit, is wirelessly transmitted to Wearable equipment.When receiving through described radio communication chain circuit Action Events transmission, that carry out for described wireless video signal, according to described Action Events, on Wearable equipment, synchronous described wireless video signal is play the content synchronization of playing on intelligent television thereby realized to Wearable equipment
In order to address the above problem, the application has disclosed the synchronous control method of playing of a kind of video file, and it comprises:
The request signal of radio communication chain circuit is built in reception, and according to the described request signal of building radio communication chain circuit, within the time of setting, sends the answer signal of building radio communication chain circuit, characterizes and successfully builds radio communication chain circuit;
Obtain the audio video synchronization triggering signal through described radio communication chain circuit transmission, and according to described audio video synchronization triggering signal, in real time the vision signal of playing is carried out being converted into wireless video signal after Video coding processing, and send in real time through described radio communication chain circuit;
Reception, through described radio communication chain circuit Action Events transmission, that carry out for described wireless video signal, according to described Action Events, is synchronously play vision signal and the described wireless video signal of described broadcasting.
Further, receiving the request signal build radio communication chain circuit comprises:
Reception is through building the request signal of radio communication chain circuit described in wireless routing transfer, the described request signal of building radio communication chain circuit generates according to the touch-control event of setting up radio communication chain circuit, and the described touch-control event of setting up radio communication chain circuit generates according to radio communication chain circuit being set up to control touch-control;
Or, receive the request signal of building radio communication chain circuit directly sending, the described request signal of building radio communication chain circuit generates according to the touch-control event of setting up radio communication chain circuit, and the described touch-control event of setting up radio communication chain circuit generates according to radio communication chain circuit being set up to control touch-control.
Further, the described real-time vision signal to broadcasting carries out being converted into wireless video signal after Video coding processing, and sends in real time through described radio communication chain circuit, comprising:
According to WIFI wireless video signal communications protocol, the vision signal of playing is carried out to Video coding processing and obtain WIFI wireless video signal;
By the WIFI wireless video signal generating described in wireless routing transfer transmission;
Or;
According to blue teeth wireless vision signal communications protocol, the vision signal of playing is carried out to Video coding processing and obtain blue teeth wireless vision signal;
Directly transmission transforms the blue teeth wireless vision signal generating according to the vision signal of playing.
In order to address the above problem, the application has disclosed the synchronous control method of playing of a kind of video file, and it comprises:
The request signal of radio communication chain circuit is built in transmission; Within the time of setting, receive according to described in build the answer signal of building radio communication chain circuit that the request signal of radio communication chain circuit sends, characterize and successfully build radio communication chain circuit;
According to trigger action, generate and send audio video synchronization triggering signal by described radio communication chain circuit;
Receive and to decoding and process to play through the wireless video signal of described radio communication chain circuit transmission, generate and send in real time the Action Events carrying out for described wireless video signal; Described wireless video signal is according to described audio video synchronization triggering signal, the vision signal before decoding to be carried out to Video coding processing to obtain.
Further, sending the request signal build radio communication chain circuit comprises:
According to the radio communication chain circuit arranging being set up to the touch-control of control, generate the touch-control event of setting up radio communication chain circuit;
According to the described touch-control event of setting up radio communication chain circuit, build the request signal of radio communication chain circuit described in generation;
Through wireless routing or bluetooth module, build the request signal of radio communication chain circuit described in transmission.
In order to address the above problem, the application has disclosed a kind of intelligent television, and it comprises:
Receiving element, for receiving the request signal of building radio communication chain circuit, also for obtaining the audio video synchronization triggering signal through described radio communication chain circuit transmission, also for receiving through described radio communication chain circuit Action Events transmission, that carry out for described wireless video signal;
Transmitting element, for building the request signal of radio communication chain circuit described in basis, within the time of setting, sends the answer signal of building radio communication chain circuit, characterizes and successfully builds radio communication chain circuit; Also for sending in real time wireless video signal through described radio communication chain circuit;
Encoder, for according to described audio video synchronization triggering signal, carries out being converted into wireless video signal after Video coding processing to the vision signal of playing in real time;
Broadcast unit, for according to described Action Events, synchronously plays vision signal and the described wireless video signal of described broadcasting.
In order to address the above problem, the application has disclosed a kind of Wearable equipment, and it comprises:
Transmitting element, for sending the request signal of building radio communication chain circuit, also for generating according to trigger action and sending audio video synchronization triggering signal by described radio communication chain circuit, also for generating and sending in real time the Action Events carrying out for described wireless video signal;
Receiving element, within the time setting, receive according to described in build the answer signal of building radio communication chain circuit that the request signal of radio communication chain circuit sends, characterize and successfully build radio communication chain circuit, also for receiving the wireless video signal through described radio communication chain circuit transmission;
Decoder, for processing that the wireless video signal transmitting through described radio communication chain circuit is decoded, the described wireless video signal through described radio communication chain circuit transmission is according to described audio video synchronization triggering signal, the vision signal of playing before decoding to be carried out to Video coding processing to obtain;
Broadcast unit, for playing the wireless video signal of processing through decoding.
In order to address the above problem, the application has disclosed the synchronous control system of playing of a kind of video file, and it comprises:
Above-mentioned intelligent television and Wearable equipment, described intelligent television and Wearable equipment couple by radio communication chain circuit.
Further, described control system also comprises:
Wireless routing, for described in transfer transmission, build radio communication chain circuit request signal, described in build the answer signal of radio communication chain circuit, described audio video synchronization triggering signal and described wireless video signal.
Further, described intelligent television and Wearable equipment comprise a bluetooth module separately, for described in direct transmission, build radio communication chain circuit request signal, described in build the answer signal of radio communication chain circuit, described audio video synchronization triggering signal and described wireless video signal.
Compared with prior art, the application can obtain and comprise following technique effect:
After the radio communication chain circuit of successfully having built between Wearable equipment and intelligent television; According to the audio video synchronization triggering signal producing on Wearable equipment, the vision signal that described intelligent television is play carries out being converted into wireless video signal after Video coding processing, through described radio communication chain circuit, is wirelessly transmitted to Wearable equipment.When receiving through described radio communication chain circuit Action Events transmission, that carry out for described wireless video signal, according to described Action Events, on Wearable equipment, synchronous described wireless video signal is play the content synchronization of playing on intelligent television thereby realized to Wearable equipment.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present application, forms the application's a part, and the application's schematic description and description is used for explaining the application, does not form the improper restriction to the application.In the accompanying drawings:
Fig. 1 is the flow chart of the application's embodiment of the method one.
Fig. 2 is the flow chart of the application's method example two.
Fig. 3 is the particular flow sheet of step S206 in embodiment of the method two.
Fig. 4 is the flow chart of the application's embodiment of the method three.
Fig. 5 is the particular flow sheet of step S406 in embodiment of the method three.
Fig. 6 generates and sends the flow chart of the request signal of building radio communication chain circuit in the application's embodiment of the method.
Fig. 7 is the structural representation of the application's intelligent television embodiment.
Fig. 8 is the structural representation of the application's Wearable apparatus embodiments.
Fig. 9 is the structural representation in the application's system embodiment one.
Figure 10 is the structural representation of the application's system embodiment two.
Embodiment
To coordinate drawings and Examples to describe the application's execution mode in detail below, by this application's implementation procedure how application technology means solve technical problem and reach technology effect can be fully understood and be implemented according to this.
As used some vocabulary in the middle of specification and claim, censure specific components.Those skilled in the art should understand, and hardware manufacturer may be called same assembly with different nouns.This specification and claims are not used as distinguishing the mode of assembly with the difference of title, but the difference in function is used as the criterion of distinguishing with assembly.If " comprising " mentioned in the middle of specification and claim is in the whole text an open language, therefore should be construed to " comprise but be not limited to "." roughly " refer to that in receivable error range, those skilled in the art can solve the technical problem within the scope of certain error, reach described technique effect substantially.In addition, " couple " word and comprise directly any and electric property coupling means indirectly at this.Therefore, if describe a first device in literary composition, be coupled to one second device, represent that described first device can directly be electrically coupled to described the second device, or be indirectly electrically coupled to described the second device by other devices or the means that couple.Specification subsequent descriptions is for implementing the application's better embodiment, and right described description is to illustrate that the application's rule is object, not in order to limit the application's scope.The application's protection range is when being as the criterion depending on the claims person of defining.
Because Wearable equipment has adopted intelligentized design, mostly all there is operating system, main control chip, such as Wearable equipment, intelligent wrist, intelligent glasses.And current intelligent television has operating system, main control chip etc. equally.Therefore, both there is the ability of conventional data processing, possessed basic data processing condition.
In the application's following embodiment, with the intelligent watch in Wearable equipment, and the man-machine interaction between intelligent television is that example describes.Certainly, for ordinary skill field personnel, under the application's inspiration, need not also can be applied to the man-machine interaction between other smart machines by creative work.
Wearable equipment in the application refers to that application wearable technology carries out intelligentized design, develops the equipment that can dress daily wearing, includes but not limited to: intelligent glasses, Intelligent glove, intelligent watch, intelligent dress ornament and intelligent shoe etc.
embodiment of the method one
As shown in Figure 1, be the flow chart of the application's embodiment of the method one, it can comprise:
The request signal of radio communication chain circuit is built in step S100, reception, and according to the described request signal of building radio communication chain circuit, within the time of setting, sends the answer signal of building radio communication chain circuit, characterizes and successfully builds radio communication chain circuit;
In the present embodiment, also can, by the enterprising line operate of intelligent television, generate the request signal of building radio communication chain circuit sending.In addition, if Wearable equipment with touching display screen, the mode that can arrange by software arranges icon on touch control display screen, when user touches this icon, the processing procedure of setting up procedure S100.If the touching display screen size of Wearable equipment is less, be difficult to effectively in indication range, by software, one icon is being set, can, by a hardware trigger switch is set on this Wearable equipment, produce the request signal of building radio communication chain circuit in step S100.Also can be by a certain hardware switch on multiplexing Wearable equipment such as treating that switch carrys out setting up procedure S100.Certainly, the startup of the application's step S100 is not limited to above-mentioned several mode, such as also adopting voice control mode, carrys out the request signal of building radio communication chain circuit in setting up procedure S100, does not repeat them here.This request signal of building radio communication chain circuit can comprise source sign and object sign, and these two signs can realize by the mac address of Wearable equipment and intelligent television, guarantee that signal can transmit between source and destination.
In the present embodiment, once return to the answer signal of building radio communication chain circuit within the time of setting, show that the radio communication chain circuit between Wearable equipment and intelligent television has been built successfully, can carry out the transmission of follow-up man-machine interactive operation instruction.
In the present embodiment, also can be often at regular intervals, the answer signal of building radio communication chain circuit being returned by Wearable equipment active obtaining intelligent television, if got, also indicate that radio communication chain circuit is successfully established, otherwise, indicate that current time radio communication chain circuit is not successfully established.Certainly, also can be by intelligent television at regular intervals, the answer signal that active is built radio communication chain circuit to the transmission of Wearable equipment obtains for Wearable equipment, if got, also show that radio communication chain circuit is successfully established, otherwise, indicate that current time radio communication chain circuit is not successfully established.
In concrete application example, step S100 may carry out repeatedly, until radio communication chain circuit is successfully established.
Step S102, obtain the audio video synchronization triggering signal through the transmission of described radio communication chain circuit, and according to described audio video synchronization triggering signal, in real time the vision signal of playing is carried out being converted into wireless video signal after Video coding processing, and send in real time through described radio communication chain circuit;
In the present embodiment, due to by the execution of above-mentioned steps S100, completed the radio communication chain circuit between Wearable equipment and intelligent television.This radio communication chain circuit can be based on wifi function wireless routing, also can realize by the bluetooth module (blue tooth is called for short BT) based on short distance communication, please participate in following related embodiment in detail.
In the present embodiment, although successfully build radio communication chain circuit.But, in order to make intelligent television play to be switched to by the Wearable equipment of other one end to this locality of vision signal, play, need to generate an audio video synchronization triggering signal, by described radio communication chain circuit, transfer to intelligent television.
In the present embodiment, audio video synchronization triggering signal can be to generate according to the toggle control Action Events carrying out on the touch screen of Wearable equipment, such as the virtual push button of a certain software setting, or the hardware switch of a certain entity; Certainly can also realize by voice control technology or Gesture Recognition.Please participate in following embodiment in detail.
In the present embodiment, such as intelligent television receives after this audio video synchronization triggering signal, it is resolved and knows packet header (as letv) and sign instruction (010), determine the both sides of communication and the action of communication.
Step S104, reception, through described radio communication chain circuit Action Events transmission, that carry out for described wireless video signal, according to described Action Events, are synchronously play vision signal and the described wireless video signal of described broadcasting.
Due to the radio communication chain circuit of successfully having built between intelligent television and Wearable equipment.Therefore, in order to realize by Wearable equipment and to get final product the video on Synchronization Control intelligent television and Wearable equipment easily, on Wearable equipment, generate one group of conventional Play Control button, such as advancing, retreat, volume increases, volume down, by these buttons are operated, generate the corresponding event of controlling.Wearable equipment can be realized the synchronous video of playing on intelligent television and Wearable equipment is carried out to simultaneous operation according to this Action Events.
Certainly it should be noted that the generation of aforesaid operations event also can depend on triggering or the speech recognition technology of physical button, does not repeat them here in detail.
As can be seen here, in the application's embodiment of the method one, after the radio communication chain circuit of successfully having built between Wearable equipment and intelligent television; According to audio video synchronization triggering signal, the vision signal that described intelligent television is play carries out being converted into wireless video signal after Video coding processing, through described radio communication chain circuit, is wirelessly transmitted on Wearable equipment again.When receiving through described radio communication chain circuit Action Events transmission, that carry out for described wireless video signal, according to described Action Events, Wearable device synchronization is play described wireless video signal, thereby realized, utilize Wearable equipment to carry out the synchronous broadcasting of video, on Wearable equipment, realize replay, program request.
embodiment of the method two
In the present embodiment, the example that is transmitted as that realizes the building of radio communication chain circuit between Wearable equipment and intelligent television, wireless video signal with the wifi by Wearable equipment describes.Before this, Wearable equipment, intelligent television have been set up communication with wireless routing respectively and have been connected, and in other words, Wearable equipment, intelligent television and wireless routing are equivalent to set up a WLAN (wireless local area network).
As shown in Figure 2, be the flow chart of the application's method example two, it comprises:
Step S200, intelligent television receive through building the request signal of radio communication chain circuit described in wireless routing transfer.
In the present embodiment, the touch-control event of setting up radio communication chain circuit that the described request signal of building radio communication chain circuit produces according to described Wearable equipment generates, and the described touch-control event of setting up radio communication chain circuit generates according to the radio communication chain circuit arranging on the touch screen of described Wearable equipment being set up to control touch-control.
Particularly, on touch screen on Wearable equipment by software definition one radio communication chain circuit set up control icon, by this icon of touch-control, generate accordingly a touch-control event of setting up radio communication chain circuit, parsing by the processor of Wearable equipment to touch-control event, generates the request signal of building radio communication chain circuit.Such as, can be with reference to the quick implementation of the upper camera function of iphone; Or define certain gesture, as long as capture this gesture such as drawing a circle along the counterclockwise touch-control of touch screen, generate accordingly one and set up the touch-control event of radio communication chain circuit and the request signal that radio communication chain circuit is built in generation.
The request signal of building radio communication chain circuit described in step S202, intelligent television basis, within the time of setting, returns to described Wearable equipment the answer signal of building radio communication chain circuit through described wireless routing, characterizes and successfully builds radio communication chain circuit;
In the present embodiment, owing to being that wifi function based on Wearable equipment is built radio communication chain circuit, therefore, all signals that transmit between intelligent television and Wearable equipment all forward by wireless routing.
As previously mentioned, in the present embodiment, once return to the responsion signal Ack of building radio communication chain circuit within the time of setting, show that the radio communication chain circuit between Wearable equipment and intelligent television has been built successfully, can carry out the transmission of follow-up man-machine interactive operation instruction.Can be often at regular intervals, the answer signal of building radio communication chain circuit being returned by Wearable equipment active obtaining intelligent television, or the answer signal that by intelligent television at regular intervals, active is built radio communication chain circuit to the transmission of Wearable equipment obtains for Wearable equipment.In concrete application example, the content of step S202 may be carried out repeatedly, until radio communication chain circuit is successfully established.
After radio communication chain circuit is successfully established, Wearable equipment immediately by conventional content display page be switched to provide with intelligent television mutual control the page, such as, in its viewing area, show the icon that four of upper and lower, left and right software arranges, can also show the icon of ok, cancel etc.
Step S204, intelligent television obtain the audio video synchronization triggering signal of wireless routing transfer transmission in described radio communication chain circuit.
In the present embodiment, as previously mentioned, consider effective touch display area of Wearable equipment, such as in this territory, effective display area, a software icon being set, under conventional state, this icon is hidden.In the time need to realizing the wireless transmission of vision signal, by being captured in the gesture that effective touch-control is viewing area definition, the demonstration that recovers this icon in touch display area, with by touch-control.
As previously mentioned, except the mode of software icon is set, also can utilize the entity hardware button of Wearable equipment configuration itself, such as key is realized the generation of audio video synchronization triggering signal; If or Wearable equipment configured speech recognition technology, also can realize by means of speech recognition technology the generation of audio video synchronization triggering signal.Certainly, the generation of audio video synchronization triggering signal is not limited to above-mentioned these several modes.
Step S206, according to described audio video synchronization triggering signal, in real time the vision signal of playing is carried out being converted into wireless video signal after Video coding processing, and sends in real time through described radio communication chain circuit.
In this step, coding is processed and can be adopted:
(1) multiple description coded, code stream is independently being transmitted on passage; Consider the wireless network for easy generation error code, whether coding structure has certain fault-tolerant ability will directly affect the reconstruction quality of receiving terminal;
(2) adopt fault-tolerance coding, make the code stream after compression there is fault-tolerant energy to the error code of some type, as H263, MPEG-4;
(3) adopt scalable coding (scalable coding), scalable coding is called again hierarchical coding, is video information coding is become to a plurality of code streams of different nature, comprising a basic layer and a plurality of enhancement layer.Basic layer provides the essential information of vision signal, can independently decode and recover the vision signal of gross.And enhancement layer provides vision signal detailed information, cannot decode separately, with basic layer combine can augmented video reconstruction effect, as spatial resolution, quality, frame per second etc.
Scalable coding specifically can adopt MPEG4, H.263+ coded system, or DCT+ motion compensation hybrid coding, or 3 D wavelet is encoded to the scalable video coding method of representative.
Step S208, reception, through described radio communication chain circuit Action Events transmission, that carry out for described wireless video signal, according to described Action Events, are synchronously play vision signal and the described wireless video signal of described broadcasting.
Because embodiment of the method two is based on wifi function, therefore, as shown in Figure 3, be the particular flow sheet of step S206 in embodiment of the method two, it can comprise:
Step S216, the vision signal of described intelligent television being play according to WIFI wireless video signal communications protocol are carried out Video coding processing and are obtained WIFI wireless video signal;
Step S226, the WIFI wireless video signal that the vision signal conversion of playing according to described intelligent television is generated, arrive described Wearable equipment through wireless routing transfer transmission.
In said method embodiment bis-, by utilizing the wifi function carrying on Wearable equipment, join outside a wireless routing, form one and comprise Wearable equipment, intelligent television, the WLAN (wireless local area network) of wireless routing, by wireless routing in this WLAN (wireless local area network), complete building of radio communication chain circuit, the vision signal that intelligent television the machine is play is carried out video transcoding and is become wireless video signal, by this radio communication chain circuit, be synchronized to Wearable equipment, when what receive through the transmission of described radio communication chain circuit, the Action Events carrying out for described wireless video signal, according to described Action Events, synchronous vision signal and the described wireless video signal of playing described broadcasting, thereby can utilize Wearable equipment to carry out the synchronous broadcasting of video, on Wearable equipment, realize and replaying, program request.
embodiment of the method three
In the present embodiment, with the bluetooth module on Wearable equipment, build radio communication chain circuit and realize the video data transmitting between Wearable equipment and intelligent television.Because the effective communication distance of bluetooth module be 0-10m, so can well meet the demand of most applied environment.
As shown in Figure 4, be the flow chart of the application's embodiment of the method three, it can comprise:
Step S400, intelligent television receive the request signal of building radio communication chain circuit through the bluetooth module transmission of described Wearable equipment;
In the present embodiment, the touch-control event of setting up radio communication chain circuit that the described request signal of building radio communication chain circuit produces according to described Wearable equipment generates, and the described touch-control event of setting up radio communication chain circuit generates according to the radio communication chain circuit arranging on the touch screen of described Wearable equipment being set up to control touch-control.
Identical with said method embodiment bis-, particularly, on touch screen on Wearable equipment by software definition one radio communication chain circuit set up control icon, by this icon of touch-control, generate accordingly a touch-control event of setting up radio communication chain circuit, parsing by the processor of Wearable equipment to touch-control event, generates the request signal of building radio communication chain circuit.Such as, can be with reference to the quick implementation of the upper camera function of iphone, or from defining certain gesture, as long as capture this gesture such as drawing a circle along the counterclockwise touch-control of touch screen, generate accordingly one and set up the touch-control event of radio communication chain circuit and the request signal that radio communication chain circuit is built in generation.
Certainly, in an other embodiment, if itself be provided with the hardware operation parts of some on Wearable equipment, also can multiplexing a certain entity hardware operation parts, such as pressing key, surpass the time of setting, trigger the generation of the request signal of building radio communication chain circuit.
In the present embodiment, the communication of bluetooth module can be point-to-point communication, can be also being point-to-point or the mode of point-to-multipoint.Such as, when the content play of only utilizing intelligent television is done energy, can utilize point-to-point communication modes.If the video on many people synchronous intelligent TV, can adopt some communication modes the more.
Step S402, intelligent television according to described in build the request signal of radio communication chain circuit, within the time of setting, the bluetooth module by described Wearable equipment returns to the answer signal of building radio communication chain circuit, characterizes and successfully builds radio communication chain circuit;
Step S404, intelligent television obtain according to the trigger action of Wearable equipment is generated, through the audio video synchronization triggering signal of the bluetooth module transmission of described Wearable equipment.
In the present embodiment, as previously mentioned, consider effective touch display area of Wearable equipment, such as in this territory, effective display area, a software icon being set, under conventional state, this icon is hidden.When needs will be realized the wireless transmission of vision signal, by being captured in the gesture that effective touch-control is viewing area definition, the demonstration that recovers this icon in touch display area, with by touch-control.
Except the mode of software icon is set, also can utilize the entity hardware button of Wearable equipment configuration itself, such as key is realized the generation of audio video synchronization triggering signal; If or Wearable equipment configured speech recognition technology, also can realize by means of speech recognition technology the generation of audio video synchronization triggering signal.Certainly, the generation of audio video synchronization triggering signal is not limited to above-mentioned these several modes.
Step S406, according to described audio video synchronization triggering signal, in real time the vision signal of playing is carried out being converted into wireless video signal after Video coding processing, and sends in real time through described radio communication chain circuit;
In the present embodiment, coding is processed and can be adopted:
(1) multiple description coded, code stream is independently being transmitted on passage; Consider the wireless network for easy generation error code, whether coding structure has certain fault-tolerant ability will directly affect the reconstruction quality of receiving terminal;
(2) adopt fault-tolerance coding, make the code stream after compression there is fault-tolerant energy to the error code of some type, as H263, MPEG-4;
(3) adopt scalable coding (scalable coding), scalable coding is called again hierarchical coding, is video information coding is become to a plurality of code streams of different nature, comprising a basic layer and a plurality of enhancement layer.Basic layer provides the essential information of vision signal, can independently decode and recover the vision signal of gross.And enhancement layer provides vision signal detailed information, cannot decode separately, with basic layer combine can augmented video reconstruction effect, as spatial resolution, quality, frame per second etc.
Scalable coding specifically can adopt MPEG4, H.263+ coded system, or DCT+ motion compensation hybrid coding, or 3 D wavelet is encoded to the scalable video coding method of representative.
Certainly, vision signal is carried out to Video coding and be not limited to above-mentioned several specific coded system, those of ordinary skills can select other coded system according to actual product requirement, do not repeat them here.
Because embodiment of the method three is based on Bluetooth function, therefore, as shown in Figure 5, be the particular flow sheet of step S406 in embodiment of the method three, it can comprise:
Step S416, the vision signal of described intelligent television being play according to blue teeth wireless vision signal communications protocol are carried out Video coding processing and are obtained blue teeth wireless vision signal;
Step S426, the vision signal that will play according to described intelligent television transform the blue teeth wireless vision signal generating, and through the bluetooth module of intelligent television, are directly transferred to Wearable equipment.
Different from said method embodiment bis-, in the present embodiment, need not be by the transfer of wireless routing, but by bluetooth module, make directly to carry out between Wearable equipment and intelligent television the wireless video signal synchronous transmission of a multiple spot or point-to-multipoint.In the present embodiment, due to based on bluetooth module, can adopt time division duplex transmission scheme to realize full duplex transmission, improve to a certain extent the efficiency of transfer of data, guarantee man-machine interactive operation fluency.
As shown in Figure 6, for generating and sending the flow chart of the request signal of building radio communication chain circuit in the application's embodiment of the method; It can comprise:
Step S600, basis are set up the touch-control of control to the radio communication chain circuit arranging on the touch screen of described Wearable equipment, generate the touch-control event of setting up radio communication chain circuit;
Step S602, according to the described touch-control event of setting up radio communication chain circuit, build the request signal of radio communication chain circuit described in generation;
Step S604, the bluetooth module in wireless routing or described Wearable equipment, to the request signal of building radio communication chain circuit described in intelligent television transmission.
Detailed process does not repeat them here.
intelligent television embodiment
As shown in Figure 7, be the structural representation of the application's intelligent television embodiment, it can comprise: the first receiving element 700, the first transmitting element 702, the first encoder 704, the first broadcast unit 706, wherein:
The first receiving element 700 is for receiving the request signal of building radio communication chain circuit; The first receiving element 700 is further used for obtaining the audio video synchronization triggering signal through described radio communication chain circuit transmission; The first receiving element 700 is further used for receiving through described radio communication chain circuit Action Events transmission, that carry out for described wireless video signal.
The first receiving element 700 can be the receiving element based on wifi function, can be also the receiving element based on Bluetooth function.
The first transmitting element 702, for building the request signal of radio communication chain circuit described in basis, within the time of setting, sends the answer signal of building radio communication chain circuit, characterizes and successfully builds radio communication chain circuit; Also for sending in real time wireless video signal through described radio communication chain circuit.
The first transmitting element 702 can be the transmitting element based on wifi function, can be also the transmitting element based on Bluetooth function.
The first encoder 704, for according to described audio video synchronization triggering signal, carries out being converted into wireless video signal after Video coding processing to the vision signal of playing in real time.
The first broadcast unit 706, for according to described Action Events, synchronously plays vision signal and the described wireless video signal of described broadcasting.
The first receiving element 700, the first transmitting element 702, the first encoder 704 and the first broadcast unit 706 specific works principles can, referring to the Records of said method embodiment, not repeat them here.
wearable apparatus embodiments
As shown in Figure 8, be the structural representation of the application's Wearable apparatus embodiments, it can comprise: the second receiving element 800, the second transmitting element 802, the second decoder 804, the second broadcast unit 806, wherein:
The second transmitting element 800 is for sending the request signal of building radio communication chain circuit;
The second transmitting element 800 is further used for generating and sending in real time the Action Events carrying out for described wireless video signal.
The second transmitting element 800 can be the transmitting element based on wifi function, can be also the transmitting element based on Bluetooth function.
The second receiving element 802 is within the time of setting, receive according to described in build the answer signal of building radio communication chain circuit that the request signal of radio communication chain circuit sends, characterize and successfully build radio communication chain circuit; Described the second receiving element 802, is further used for receiving the wireless video signal through described radio communication chain circuit transmission;
The second receiving element 802 can be the receiving element based on wifi function, can be also the receiving element based on Bluetooth function.
The second decoder 804 is for processing that the wireless video signal transmitting through described radio communication chain circuit is decoded; The described wireless video signal through described radio communication chain circuit transmission is according to described audio video synchronization triggering signal, the vision signal of playing before decoding to be carried out to Video coding processing to obtain.
The second broadcast unit 806, for playing the wireless video signal of processing through decoding
In the present embodiment, to the decoding of wireless video signal can:
(1), based on Gaussian-filtered minimum shift keying, improved the availability of frequency spectrum and the communication quality of digital mobile communication;
(2) based on Continuous phase frequency shift keying, avoid being subject to the impact of ambient temperature noise, realize signal demodulation process with low power.
(3) based on quadrature amplitude modulation, by digital signal, go amplitude and the phase place of modulated carrier, make the amplitude of carrier wave and phase controlled in digital signal, conventional have 16 quadrature amplitude modulation, 32 quadrature amplitude modulation, 64 quadrature amplitude modulation etc.This modulation is because the amplitude of carrier wave and phase place are all with information, so the numeric code rate that it can transmit than quaternary phase shift keying modulation system is high.
(4) quaternary phase shift keying modulation.
It should be noted that, because the volume of Wearable equipment is little, therefore adopt on-chip system chip (system on chip is called for short soc) above-mentioned the second receiving element 800 of centralized arrangement, the second transmitting element 802, the second decoder 804, the second decoders 804.
system embodiment one
As shown in Figure 9, be the structural representation in the application's system embodiment one, it can comprise: intelligent television 900 and Wearable equipment 902,
As shown in Figure 7, and the structure of Wearable equipment 902 can be as shown in Figure 8 for the structure of intelligent television 900.Repeat no more in detail.
Further, system shown in Fig. 9 can also comprise a wireless routing 901, for build described between transfer transmission intelligent television 900 and Wearable equipment 902 radio communication chain circuit request signal, described in build answer signal and the described wireless video signal of radio communication chain circuit.
system embodiment two
As shown in figure 10, be the structural representation of the application's system embodiment two, it can comprise: intelligent television 1000 and Wearable equipment 1002.
As shown in Figure 7, and the structure of Wearable equipment can be as shown in Figure 8 for the structure of intelligent television 1000.Repeat no more in detail.
Described intelligent television 1000 and Wearable equipment 1002 all also comprise bluetooth module 1001, for described in direct transmission, build radio communication chain circuit request signal, described in build answer signal and the described wireless video signal of radio communication chain circuit.
Also it should be noted that, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby make to comprise that the commodity of a series of key elements or system not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as this commodity or the intrinsic key element of system.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within and comprise in the commodity of described key element or system and also have other identical element.
Above-mentioned explanation has illustrated and has described some preferred embodiments of the application, but as previously mentioned, be to be understood that the application is not limited to disclosed form herein, should not regard the eliminating to other embodiment as, and can be used for various other combinations, modification and environment, and can, in invention contemplated scope described herein, by technology or the knowledge of above-mentioned instruction or association area, change.And the spirit and scope that the change that those skilled in the art carry out and variation do not depart from the application, all should be in the protection range of the application's claims.
Claims (10)
1. the synchronous control method of playing of video file, is characterized in that, comprising:
The request signal of radio communication chain circuit is built in reception, and according to the described request signal of building radio communication chain circuit, within the time of setting, sends the answer signal of building radio communication chain circuit, characterizes and successfully builds radio communication chain circuit;
Obtain the audio video synchronization triggering signal through described radio communication chain circuit transmission, and according to described audio video synchronization triggering signal, in real time the vision signal of playing is carried out being converted into wireless video signal after Video coding processing, and send in real time through described radio communication chain circuit;
Reception, through described radio communication chain circuit Action Events transmission, that carry out for described wireless video signal, according to described Action Events, is synchronously play vision signal and the described wireless video signal of described broadcasting.
2. the synchronous control method of playing of video file according to claim 1, is characterized in that, the request signal that radio communication chain circuit is built in described reception comprises:
Reception is through building the request signal of radio communication chain circuit described in wireless routing transfer, the described request signal of building radio communication chain circuit generates according to the touch-control event of setting up radio communication chain circuit, and the described touch-control event of setting up radio communication chain circuit generates according to radio communication chain circuit being set up to control touch-control;
Or, receive the request signal of building radio communication chain circuit directly sending, the described request signal of building radio communication chain circuit generates according to the touch-control event of setting up radio communication chain circuit, and the described touch-control event of setting up radio communication chain circuit generates according to radio communication chain circuit being set up to control touch-control.
3. the control method that video file according to claim 1 is synchronously play, the described real-time vision signal to broadcasting carries out being converted into wireless video signal after Video coding processing, and sends in real time through described radio communication chain circuit, comprising:
According to WIFI wireless video signal communications protocol, the vision signal of playing is carried out to Video coding processing and obtain WIFI wireless video signal;
By the WIFI wireless video signal generating described in wireless routing transfer transmission;
Or;
According to blue teeth wireless vision signal communications protocol, the vision signal of playing is carried out to Video coding processing and obtain blue teeth wireless vision signal;
Directly transmission transforms the blue teeth wireless vision signal generating according to the vision signal of playing.
4. the synchronous control method of playing of video file, is characterized in that, comprising:
The request signal of radio communication chain circuit is built in transmission; Within the time of setting, receive according to described in build the answer signal of building radio communication chain circuit that the request signal of radio communication chain circuit sends, characterize and successfully build radio communication chain circuit;
According to trigger action, generate and send audio video synchronization triggering signal by described radio communication chain circuit;
Receive and to decoding and process to play through the wireless video signal of described radio communication chain circuit transmission, generate and send in real time the Action Events carrying out for described wireless video signal; Described wireless video signal is according to described audio video synchronization triggering signal, the vision signal before decoding to be carried out to Video coding processing to obtain.
5. the synchronous control method of playing of video file according to claim 4, is characterized in that, the request signal that radio communication chain circuit is built in described transmission comprises:
According to the radio communication chain circuit arranging being set up to the touch-control of control, generate the touch-control event of setting up radio communication chain circuit;
According to the described touch-control event of setting up radio communication chain circuit, build the request signal of radio communication chain circuit described in generation;
Through wireless routing or bluetooth module, build the request signal of radio communication chain circuit described in transmission.
6. an intelligent television, is characterized in that, comprising:
Receiving element, for receiving the request signal of building radio communication chain circuit, also for obtaining the audio video synchronization triggering signal through described radio communication chain circuit transmission, also for receiving through described radio communication chain circuit Action Events transmission, that carry out for described wireless video signal;
Transmitting element, for building the request signal of radio communication chain circuit described in basis, within the time of setting, sends the answer signal of building radio communication chain circuit, characterizes and successfully builds radio communication chain circuit; Also for sending in real time wireless video signal through described radio communication chain circuit;
Encoder, for according to described audio video synchronization triggering signal, carries out being converted into wireless video signal after Video coding processing to the vision signal of playing in real time;
Broadcast unit, for according to described Action Events, synchronously plays vision signal and the described wireless video signal of described broadcasting.
7. a Wearable equipment, is characterized in that, comprising:
Transmitting element, for sending the request signal of building radio communication chain circuit, also for generating according to trigger action and sending audio video synchronization triggering signal by described radio communication chain circuit, also for generating and sending in real time the Action Events carrying out for described wireless video signal;
Receiving element, within the time setting, receive according to described in build the answer signal of building radio communication chain circuit that the request signal of radio communication chain circuit sends, characterize and successfully build radio communication chain circuit, also for receiving the wireless video signal through described radio communication chain circuit transmission;
Decoder, for processing that the wireless video signal transmitting through described radio communication chain circuit is decoded, the described wireless video signal through described radio communication chain circuit transmission is according to described audio video synchronization triggering signal, the vision signal of playing before decoding to be carried out to Video coding processing to obtain;
Broadcast unit, for playing the wireless video signal of processing through decoding.
8. the synchronous control system of playing of video file, is characterized in that, comprising:
Intelligent television as claimed in claim 6 and Wearable equipment as claimed in claim 7, described intelligent television and Wearable equipment couple by radio communication chain circuit.
9. the synchronous control system of playing of video file according to claim 8, is characterized in that, also comprises:
Wireless routing, for described in transfer transmission, build radio communication chain circuit request signal, described in build the answer signal of radio communication chain circuit, described audio video synchronization triggering signal and described wireless video signal.
10. the control system that video file according to claim 8 is synchronously play, it is characterized in that, described intelligent television and Wearable equipment comprise a bluetooth module separately, for described in direct transmission, build radio communication chain circuit request signal, described in build the answer signal of radio communication chain circuit, described audio video synchronization triggering signal and described wireless video signal.
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| CN201310731804.4A CN103686326A (en) | 2013-12-20 | 2013-12-20 | Video file synchronous playing control method, smart television and wearable device |
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Application publication date: 20140326 |