CN102739614B - Remote video and audio sharing method - Google Patents
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- CN102739614B CN102739614B CN201110091383.4A CN201110091383A CN102739614B CN 102739614 B CN102739614 B CN 102739614B CN 201110091383 A CN201110091383 A CN 201110091383A CN 102739614 B CN102739614 B CN 102739614B
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Abstract
The invention discloses a remote video and audio sharing method and an application thereof. A transmitting terminal electronic device retrieves self screen picture and sound which are subjected to first coding and second coding respectively and then transmitted to a playing terminal electronic device and a control terminal electronic device for playing. After the playing terminal electronic device receives data and carries out decoding, the playing terminal electronic device can fluidly play the received data. After the control terminal electronic device receives the data and carries out decoding, an effect of synchronous playing can be achieved with the transmitting terminal electronic device. In addition, a control command can be generated through the control terminal electronic device and is transmitted to the transmitting terminal electronic device back so as to control the actuation of the transmitting terminal electronic device.
Description
Technical field
The present invention has the sharing method about video-audio data, especially have and play about the screen-picture of an electronic installation and sound being sent on other electronic installation, and carry out the application program of audio-visual sharing method and the use thereof manipulated through other electronic installation.
Background technology
Since invention on computer, because of its convenience and powerful disposal ability, namely promptly popularize arround general popular life.No matter be miscellaneous affair trifling in life, or the utilization etc. in work, all process by computer now.
For general popular, the most often carry out amusement and recreation through computer, such as, surf the Net, play games and watch film etc.Therefore, the practitioner of correlative technology field, already for the amusement function of computer, develops technology miscellaneous.
To watch film, most user is still accustomed in parlor, is watched by the TV with screen sizes.But although play film with computer to have certain convenience, computer is furnished in room usually, and the screen size of computer does not have TV to be greater usually, and resolution also can be slightly inferior.Therefore, namely someone proposes many wired and wireless audio-visual transmission meanss, can be sent on TV, to carry out the broadcasting compared with screen sizes by video-audio datas such as the screen-picture of computer and sound.
But, play even if above-mentioned video-audio data is sent on TV, but user still needs to manipulate computer, to change the state (such as select archives, fast turn and transform size sound etc.) of video-audio data.Thus, user can only carry out Remote by the computer peripheral device such as Wireless Keyboard, mouse to computer.
But this kind of control mode is not suitable for user very much to carry out in parlor, and user cannot arbitraryly be recumbent on a sofa, or uses the computer peripheral device such as keyboard and mouse under the posture that other is more comfortable or sluggish.Further, keyboard and mouse mainly through USB, PS/2 transmission line and computer wired connection, or by wireless transmission methods such as bluetooth, infrared ray or radio (such as 2.4GHz radio), are connected with computer radio.If user position and computer, apart from too far away, exceed the length of transmission line, or exceed the transmission coverage of the wireless transmission methods such as bluetooth, infrared ray or radio, then cannot computer be manipulated, concerning tangible quite inconvenient user.
Summary of the invention
Main purpose of the present invention, be to provide a kind of long-range audio-visual sharing method and application program thereof, the screen-picture of fechtable transmission end electronic installation and sound, respectively according to the different demands viewed and admired and manipulate, carry out the encoding act of different parameters, and be sent to broadcasting end electronic installation and control end electronic installation respectively, make user view and admire easily through broadcasting end electronic installation, and manipulated by control end electronic installation.
For reaching above-mentioned purpose, invention broadly provides a kind of long-range audio-visual sharing method, apply to a transmission end electronic installation, play between end electronic installation and a control end electronic installation, wherein this transmission end electronic installation, this broadcasting end electronic installation and this control end electronic installation inside store respectively and have performed an application program, connect each other by this application program, this long-range audio-visual sharing method comprises:
A) this transmission end electronic installation captures screen-picture and the sound of self;
B) for this broadcasting end electronic installation, the first coding is carried out to the screen-picture captured and sound;
C) hold step b, the data after coding are sent to this broadcasting end electronic installation and carry out decoding and broadcasting;
D) for this control end electronic installation, carry out the second coding to the screen-picture captured and sound, wherein coding parameter of this second coding is different from the coding parameter of this first coding;
E) hold steps d, the data after coding are sent to this control end electronic installation and carry out decoding and broadcasting;
F) this control end electronic installation passback frame width digestive conditions gives this transmission end electronic installation;
G) hold step f, this transmission end electronic installation adjusts the frame rate of this second coding use according to the frame width digestive conditions of this control end electronic installation;
H) control end electronic installation has judged whether that control event occurs;
I) hold step h, if there is control event to occur, this control end electronic installation transfer control signal, to this transmission end electronic installation, makes this transmission end electronic installation improve the frame rate of this second coding use; And
J) hold step I, this control end electronic installation, according to this control event, transmits corresponding control command to this transmission end electronic installation, to manipulate the start of this transmission end electronic installation.
As mentioned above, wherein more comprise a step k: hold step h, if this control end electronic installation does not have control event to occur within certain period, this transmission end electronic installation reduces the frame rate that this second coding uses, and maybe the frame rate that this second coding uses is set to zero.
As mentioned above, wherein this control end electronic installation is handheld electronic device, and has a touch control screen, and this step h, when this touch control screen is touched, judges have control event to occur.
As mentioned above, wherein in this step j, this control end electronic installation captures absolute coordinate on this touch control screen or relative coordinate, is sent to this transmission end electronic installation, is converted to the control command of the mouse of this transmission end electronic installation.
As mentioned above, wherein this control end electronic installation is more provided with a physical button, in this step j, this control end electronic installation scans the keypad code of this physical button, or capture the ten thousand country code character strings inputted by this touch control screen or this physical button, be sent to this transmission end electronic installation, be converted to the control command of the keyboard of this transmission end electronic installation.
As mentioned above, wherein the screen size of this broadcasting end electronic installation, is greater than the screen size of this control end electronic installation.
As mentioned above, the frame rate that wherein this first coding uses is greater than the frame rate that this second coding uses, and the resolution that this first coding uses is greater than the resolution that this second coding uses.
As mentioned above, the frame rate that wherein this first coding uses is 30 frame width per second.
As mentioned above, wherein this transmission end electronic installation, this broadcasting end electronic installation and this control end electronic installation are connected by wireless compatibility authentication technology.
As mentioned above, when wherein this transmission end electronic installation transmits data, the buffering area that this broadcasting end electronic installation retains is greater than the buffering area that this control end electronic installation retains.
As mentioned above, the buffering area that wherein this control end electronic installation retains is zero, uses this control end electronic installation and obtains low time of delay, and reach synchronous effect with this transmission end electronic installation.
For more clearly reaching above-mentioned object, the present invention more there is provided a kind of in be stored in the application program of an electronic installation, after multiple electronic installations loads this application program respectively and performs, the plurality of electronic installation can be connected to each other, and perform a long-range audio-visual sharing method, wherein the plurality of electronic installation comprises a transmission end electronic installation, broadcasting end electronic installation and a control end electronic installation, and this long-range audio-visual sharing method comprises:
A) this transmission end electronic installation captures screen-picture and the sound of self;
B) for this broadcasting end electronic installation, the first coding is carried out to the screen-picture captured and sound;
C) hold step b, the data after coding are sent to this broadcasting end electronic installation and carry out decoding and broadcasting;
D) for this control end electronic installation, carry out the second coding to the screen-picture captured and sound, wherein coding parameter of this second coding is different from the coding parameter of this first coding;
E) hold steps d, the data after coding are sent to this control end electronic installation and carry out decoding and broadcasting;
F) this control end electronic installation passback frame width digestive conditions gives this transmission end electronic installation;
G) hold step f, this transmission end electronic installation adjusts the frame rate of this second coding use according to the frame width digestive conditions of this control end electronic installation;
H) control end electronic installation has judged whether that control event occurs;
I) hold step h, if there is control event to occur, this control end electronic installation transfer control signal, to this transmission end electronic installation, makes this transmission end electronic installation improve the frame rate of this second coding use; And
J) hold step I, this control end electronic installation, according to this control event, transmits corresponding control command to this transmission end electronic installation, to manipulate the start of this transmission end electronic installation.
Effect that the present invention is possessed against existing technologies is, after transmission end electronic installation (being such as a computer) captures self screen-picture and sound, can for the broadcasting end electronic installation being used for viewing and admiring, carry out the coding of high-resolution and high frame rate, and retain larger buffering area in time transmitting.Thus, play end electronic installation in reception data after decoding, comparatively smooth and high-resolution broadcasting can be carried out, make user be easy to viewing.Further, transmission end electronic installation also for the control end electronic installation being used for manipulating, can carry out the coding of low resolution and low frame rate, and retain comparatively minibuffer district in time transmitting.Use, control end electronic installation is in reception data after decoding, and speed that can be synchronous plays screen-picture and the sound of transmission end electronic installation.Use, user can easily pass through control end electronic installation and manipulate transmission end electronic installation.
Tradition user, when using long-range audio-visual crossfire application, allows the electronic installation of receiving terminal reach high image quality and play swimmingly if want, need the coding adopting high bit rate (high bitrate), and provide larger buffering area in time transmitting.And if want to allow the electronic installation of receiving terminal be easy to for manipulation, then need the coding adopting low bit rate (low bitrate), and do not use buffering, use and allow user's What You See Is What You Get by the characteristic of low delay (low latency), and then easily manipulate.But the required technological means adopted of above-mentioned two kinds of different objects contradicts each other, and be cannot reach with prior art, the present invention is namely in order to solve the disappearance of above-mentioned prior art.
Moreover whether transmission end electronic installation can trigger according to the control event of control end electronic installation, dynamic conditioning first is encoded and the second parameter of encoding, and uses, and reduces the load that transmission end electronic installation carries out two kinds of different codings simultaneously.And, view and admire when user is absorbed in, when causing control end electronic installation not control event triggering within certain period, dynamic conditioning first is encoded and the second parameter of encoding, use and save the unnecessary transmitting bandwidth waste of control end electronic installation, and the electric power spent by Xie Code action.
Accompanying drawing explanation
Fig. 1 is the calcspar of a preferred embodiment of the present invention;
Fig. 2 is the configuration diagram of a preferred embodiment of the present invention;
Fig. 3 is the configuration diagram of another preferred embodiment of the present invention;
Fig. 4 is the flow chart of a preferred embodiment of the present invention.
Wherein, Reference numeral:
1 ... transmission end electronic installation;
2 ... play end electronic installation;
3 ... control end electronic installation;
31 ... touch control screen;
32 ... physical button;
4 ... extended connecting device;
10,20,30 ... application program;
S40 ~ S62 ... step.
Embodiment
A hereby just preferred embodiment of the present invention, coordinates accompanying drawing, is described in detail as follows.
Head refers to Fig. 1, is the calcspar of a preferred embodiment of the present invention.As shown in the figure, long-range audio-visual sharing method of the present invention, mainly apply to a transmission end electronic installation 1, play between end electronic installation 2 and a control end electronic installation 3 (referred to as this transmission end device 1, this broadcasting end device 2 and this control end device 3, illustrating below).Wherein, an application program 10,20 and 30 is stored respectively in this transmission end device 1, this broadcasting end device 2 and this control end device 3, after respectively this application program 10,20,30 is performed, this transmission end device 1, this broadcasting end device 2 and this control end device 3 connect each other by network system.
Wherein, respectively this application program 10,20,30 respectively in be built in this transmission end device 1, this broadcasting end device 2 and this control end device 3, by download or alternate manner transmit and be stored in this transmission end device 1, this broadcasting end device 2 and this control end device 3.When this transmission end device 1, this broadcasting end device 2 and this control end device 3 load respectively respectively this application program 10,20,30 and perform after, can be connected to each other, and perform long-range audio-visual sharing method of the present invention.In the present embodiment, this transmission end device 1, this broadcasting end device 2 and this control end device 3 are mainly through network system, and such as wireless compatibility authentication (Wireless Fidelity, Wi-Fi) technology connects, but is not limited.
This application program 10 in this transmission end device 1, mainly as the application program of a transmission end, this transmission end device 1 captures screen-picture and the sound (screen & soundcapture) of self by this application program 10, and externally transmits after coding.More specifically, this transmission end device 1 is by this application program 10, for the usefulness of this broadcasting end device 2 with this control end device 3, simultaneously with high-resolution, the coded system of higher delay time, and low resolution, the coded system of lower time of delay are encoded, and send this broadcasting end device 2 and this control end device 3 respectively to.
This application program 20 in this broadcasting end device 2, and this application program 30 in this control end device 3, mainly as the application program of a receiving terminal, this broadcasting end device 2 and this control end device 3 are respectively by each this application program 20 and 30, receive the data that this transmission end device 1 transmits, and play after decoding according to this.
Wherein, this broadcasting end device 2 is mainly used to view and admire, and therefore this broadcasting end device 2 primary recipient is with the data of high-resolution, higher delay time encoding; And this control end device 3 is mainly used to manipulate this transmission end device 1, therefore this control end device 3 primary recipient with low resolution, lower time of delay coding data.
Continuous please refer to Fig. 2 and Fig. 3, be the configuration diagram of a preferred embodiment of the present invention and another preferred embodiment.This transmission end device 1 mainly can be a computer, and by the hardware unit (figure) such as external keyboard and mouse, controls inner start.This broadcasting end device 2 is mainly the player with screen sizes, such as TV or projector etc.Further, if this broadcasting end device 2 is an intelligent TV (Smart TV), then this broadcasting end device 2 inside can be carried and directly be performed this application program 20.
If but as shown in Figure 3, this broadcasting end device 2 is the player not possessing calculation function, during as traditional tv or projector, then this broadcasting end device 2 must an external extended connecting device 4.This extended connecting device 4 inside is installed and has performed this application program 20, and this extended connecting device 4 passes through holding wire, such as HDMI (High Definition Multimedia Interface) (High Definition Multimedia Interface, HDMI) or AV terminal equisignal line and this broadcasting end device 2 are electrically connected.Use, this extended connecting device 4 receives the data that this transmission end device 1 transmits, and after decoding, plays on the screen-picture of decoding gained and transfer voice to this broadcasting end device 2.
This control end device 3 is mainly the electronic installation of hand-hold type, such as intelligent mobile phone (Smartphone) and flat computer (Tablet) etc.This control end device 3 has a touch control screen 31, and depend on the circumstances, this control end device 3 also may be provided with a physical button 32.Wherein, the screen size of this broadcasting end device 2, is greater than the screen size of this touch control screen 31 on this control end device 3.
Be with, this broadcasting end device 2 and this control end device 3 all can receive and play screen-picture and the sound of this transmission end device 1, and this broadcasting end device 2 has screen sizes, can play swimmingly with higher resolution (higher resolution); And this control end device 3 has small-sized touch control screen, play with lower resolution and lower time of delay, use and can reach synchronous effect with this transmission end device 1, be convenient to user and directly by this touch control screen 31 or this physical button 32, real-time control carried out to this transmission end device 1.More specifically, this broadcasting end device 2 and this control end device 3 all can play screen-picture and the sound of this transmission end device 1, but the object reached is not identical, and the coded system of therefore received data is also not identical.
Referring to Fig. 4, is the flow chart of a preferred embodiment of the present invention.First, this transmission end device 1, by this application program 10, captures self screen-picture and sound (step S40).Then, this transmission end device 1 is not through an encoder (figure indicates), one first coding (step S42) is carried out for this broadcasting end device 2, and, then the data after coding are sent to the enterprising row decoding of this broadcasting end device 2 and broadcasting (step S44).Then, this transmission end device 1, again through this encoder, carries out one second coding (step S46) for this control end device 3, and, then the data after coding are sent to the enterprising row decoding of this control end device 3 and broadcasting (step S48).Wherein, this step S44 follows performed by this step S42, this step S48 follows performed by this step S46, but there is not the ordinal relation in execution in this step S42 and this step S46, also determined by actual conditions, first perform this step S46 and S48, then perform this step S42 and S44, can not be limited.
It is worth mentioning that, this first coding above-mentioned and this second encode coding parameter of using not identical.Coding parameter of this first coding, mainly for set by this broadcasting end device 2 being used for viewing and admiring, has high-resolution, and higher frame rate, such as 30 frame width (30fps) per second.Further, in time transmitting data, this broadcasting end device 2 retains larger buffering area (buffer) simultaneously.Use, overcome under the radio transmission conditions of high-quality (high quality), high bit rate (high bitrate) by larger buffering area, the image freeze-frame caused because of air interference, fragmentation or audio-visual nonsynchronous situation.This broadcasting end device 2 has enough decoding disposal abilities usually, use after this broadcasting end device 2 receives data, to the normal decoding of the data of high bit rate, and comparatively smooth (smooth) can be carried out and there is high-resolution broadcasting, making user be easy to viewing.
The decoding disposal ability of this control end device 3 is weaker than this broadcasting end device 2 usually, be with coding parameter of this second coding mainly for set by this control end device 3 being used for carrying out manipulating, there is low resolution, and lower frame rate.In time transmitting data, this control end device 3 retains less buffering area (even buffering area can be set to zero), and so this control end device 3 can obtain lower time of delay (Low latency delay).Use, this control end device 3 is in reception data after decoding, can because of the characteristic of low time of delay, screen-picture and the sound of this transmission end device 1 is play with synchronous speed, make user can be in the state of " What You See Is What You Get ", easily pass through this control end device 3 and this transmission end device 1 is manipulated.
As mentioned above, the frame rate that this first coding uses is greater than the frame rate that this second coding uses, and the resolution that this first coding uses also is greater than the resolution that this second coding uses.Moreover when this transmission end device 1 transmits data, the buffering area that this broadcasting end device 2 retains is greater than the buffering area that this control end device 3 retains.
After this step S48, this control end device 3 returns inner frame width digestive conditions (FrameDigestion Acknowledge) to this transmission end device 1 (step S50).Use, the frame width digestive conditions that this transmission end device 1 returns according to this control end device 3, adjust the frame rate (step S52) used in this second coding.In the present invention, this control end device 3 is mainly the electronic installation of hand-hold type, and the treatment efficiency of portable electric device is usually not as intelligent TV or this extended connecting device 4 come high.Therefore, the object of this step S52, is the processing speed and the progress that confirm this control end device 3, uses and guarantees that this control end device 3 can keep synchronous broadcasting with this transmission end device 1, allow user continue to be in the state of " What You See Is What You Get ".
Then, this control end device 3 has judged whether that (step S54) occurs control event, if, then this control end device 3 transmits one immediately and controls signal to this transmission end device 1, make this transmission end device 1 improve the frame rate (step S56) of this second coding use, manipulate this control end device 3 in order to user.It is worth mentioning that, for this transmission end device 1, carry out two kinds of different codings simultaneously and there is quite high load (overhead).With in this step S56, whether control event according to this control end device 3 triggers, carry out dynamic conditioning first to encode and the parameter of the second coding, determine that this transmission end device 1 will with all strength for the usefulness of this control end device 3 does optimization, and appropriateness sacrifices the usefulness of this broadcasting end device 2.Use, reduce the load that this transmission end device 1 carries out two kinds of different codings simultaneously.But the foregoing is only preferred embodiments of the present invention, should as limit.
After this step S56, this control end device 3 transmits corresponding control command to this transmission end device 1, to manipulate the start (step S58) of this transmission end device 1.More specifically, this control end device 3 this touch control screen 31 thereon or this physical button 32 touched time, be judged as that control event occurs.In this step S58, this control end device 3 captures absolute coordinate on this touch control screen 31 or relative coordinate, is sent to this transmission end device 1, is converted to the control command of the mouse of this transmission end device 1.And, this control end device 3 also scans the keypad code of this physical button 32, or scan through ten thousand country codes (Unicode) character string of this touch control screen 31 or this physical button 32 input, be sent to this transmission end device 1, be converted to the control command of the keyboard of this transmission end device 1.But the foregoing is only better concrete enforcement of the present invention, should as limit.
If in this step S54, judge that this control end device 3 does not have control event to occur within certain period, then this transmission end device 1 reduces the frame rate that this second coding uses, and maybe the frame rate that this second coding uses is set to zero (step S60).More specifically, it is more weak that this control end device 3 is mainly disposal ability, and need with the device of battery as electric power.Long transmission Ji Xie Code action not only can waste the transmitting bandwidth of this control end device 3, also can consume a large amount of electric power.Namely the object of this step S60 above-mentioned is, the parameter of dynamic adjustment first coding and the second coding, to reduce the load that this transmission end device 1 carries out two kinds of different codings simultaneously, and save the transmitting bandwidth of this control end device 3 simultaneously, and the power consumption that Xie Code produces.
In long-range audio-visual sharing method of the present invention, this transmission end device 1, this broadcasting end device 2 and this control end device 3 are set up online each other by the execution of this application program 10,20 and 30.More specifically, after one of them this application program 10,20 or 30 is performed, searches the IP address at other application program place, use and connected by WIFI, and transmit data mutually.
This transmission end device 1, this broadcasting end device 2 and this control end device 3 judge respectively whether this application program 10,20 and 30 is closed (step S62) at any time, and disconnected except connecting when one of them of each this application program 10,20 and 30 is closed, terminate long-range audio-visual sharing method of the present invention.More specifically, when this application program 10 is closed, this transmission end device 1 is disconnected except the connection with this broadcasting end device 2 and this control end device 3; When this application program 20 is closed, this broadcasting end device 2 is disconnected except the connection with this transmission end device 1, but the connection still continued operation of this transmission end device 1 and this control end device 3; And when this application program 30 is closed, this control end device 3 is disconnected except the connection with this transmission end device 1, but the connection still continued operation of this transmission end device 1 and this broadcasting end device 2.
If those application program 10,20 and 30 all normal operations, then get back to this step S40, the screen-picture of this transmission end device 1 lasting acquisition self and sound, be sent to this broadcasting end device 2 and this control end device 3 is play, and receive the control command of this control end device 3.
The foregoing is only preferred embodiments of the present invention, non-ly therefore namely limit to scope of patent protection of the present invention, therefore the equivalence change that all utilizations content of the present invention is done, be all in like manner contained in open scope of the present invention.
Claims (11)
1. a long-range audio-visual sharing method, applying to a transmission end electronic installation, plays between end electronic installation and a control end electronic installation, it is characterized in that, this transmission end electronic installation, this broadcasting end electronic installation and this control end electronic installation inside store respectively and have performed an application program, connect each other by this application program, this long-range audio-visual sharing method comprises:
A) this transmission end electronic installation captures screen-picture and the sound of self;
B) for this broadcasting end electronic installation, the first coding is carried out to the screen-picture captured and sound;
C) hold step b, the data after coding are sent to this broadcasting end electronic installation and carry out decoding and broadcasting;
D) for this control end electronic installation, carry out the second coding to the screen-picture captured and sound, wherein coding parameter of this second coding is different from the coding parameter of this first coding;
E) hold steps d, the data after coding are sent to this control end electronic installation and carry out decoding and broadcasting;
F) this control end electronic installation passback frame width digestive conditions gives this transmission end electronic installation;
G) hold step f, this transmission end electronic installation adjusts the frame rate of this second coding use according to the frame width digestive conditions of this control end electronic installation;
H) control end electronic installation has judged whether that control event occurs;
I) hold step h, if there is control event to occur, this control end electronic installation transfer control signal, to this transmission end electronic installation, makes this transmission end electronic installation improve the frame rate of this second coding use; And
J) hold step I, this control end electronic installation, according to this control event, transmits corresponding control command to this transmission end electronic installation, to manipulate the start of this transmission end electronic installation.
2. long-range audio-visual sharing method according to claim 1, it is characterized in that, also comprise a step k: hold step h, if this control end electronic installation does not have control event to occur within certain period, this transmission end electronic installation reduces the frame rate that this second coding uses, and maybe the frame rate that this second coding uses is set to zero.
3. long-range audio-visual sharing method according to claim 1, is characterized in that, this control end electronic installation is handheld electronic device, and has a touch control screen, and this step h, when this touch control screen is touched, judges have control event to occur.
4. long-range audio-visual sharing method according to claim 3, it is characterized in that, in this step j, this control end electronic installation captures absolute coordinate on this touch control screen or relative coordinate, be sent to this transmission end electronic installation, be converted to the control command of the mouse of this transmission end electronic installation.
5. long-range audio-visual sharing method according to claim 3, it is characterized in that, this control end electronic installation is also provided with a physical button, in this step j, this control end electronic installation scans the keypad code of this physical button, or capture the ten thousand country code character strings inputted by this touch control screen or this physical button, be sent to this transmission end electronic installation, be converted to the control command of the keyboard of this transmission end electronic installation.
6. long-range audio-visual sharing method according to claim 1, is characterized in that, the screen size of this broadcasting end electronic installation, is greater than the screen size of this control end electronic installation.
7. long-range audio-visual sharing method according to claim 1, is characterized in that, the frame rate that this first coding uses is greater than the frame rate that this second coding uses, and the resolution that this first coding uses is greater than the resolution that this second coding uses.
8. long-range audio-visual sharing method according to claim 7, is characterized in that, the frame rate that this first coding uses is 30 frame width per second.
9. long-range audio-visual sharing method according to claim 1, is characterized in that, this transmission end electronic installation, this broadcasting end electronic installation and this control end electronic installation are connected by wireless compatibility authentication technology.
10. long-range audio-visual sharing method according to claim 9, is characterized in that, when this transmission end electronic installation transmits data, the buffering area that this broadcasting end electronic installation retains is greater than the buffering area that this control end electronic installation retains.
11. long-range audio-visual sharing methods according to claim 10, is characterized in that, the buffering area that this control end electronic installation retains is zero, uses this control end electronic installation and obtains low time of delay, and reach synchronous effect with this transmission end electronic installation.
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| CN104954847B (en) * | 2014-03-25 | 2018-04-10 | 扬智科技股份有限公司 | Apparatus for processing video stream, mirror image image display method and display device |
| TWI536855B (en) * | 2014-09-29 | 2016-06-01 | 緯創資通股份有限公司 | Content sharing method and device |
| TWI539291B (en) * | 2015-03-23 | 2016-06-21 | 奇揚網科股份有限公司 | Mirroring transmission method |
| CN105704511A (en) * | 2016-01-29 | 2016-06-22 | 明基电通有限公司 | A method for dynamically adjusting wireless video coding |
| CN106658136A (en) * | 2016-12-29 | 2017-05-10 | 北京小米移动软件有限公司 | Smart TV control method and apparatus |
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| US6850564B1 (en) * | 1998-06-26 | 2005-02-01 | Sarnoff Corporation | Apparatus and method for dynamically controlling the frame rate of video streams |
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| US9314691B2 (en) * | 2002-12-10 | 2016-04-19 | Sony Computer Entertainment America Llc | System and method for compressing video frames or portions thereof based on feedback information from a client device |
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| US6850564B1 (en) * | 1998-06-26 | 2005-02-01 | Sarnoff Corporation | Apparatus and method for dynamically controlling the frame rate of video streams |
| TWI248724B (en) * | 2004-10-26 | 2006-02-01 | Abit Comp Corp | Media center |
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