CN104427334A - Data processing method, image demonstration method, data processing device and demonstration equipment - Google Patents
Data processing method, image demonstration method, data processing device and demonstration equipment Download PDFInfo
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Abstract
The invention provides a data processing method, an image demonstration method, a data processing device and demonstration equipment. The data processing method comprises the following steps of acquiring image data of a first picture displayed on a first display when the first display displays the first picture; performing loss compression coding on the image data so as to acquire compressed data; forming a compressed image file based on the compressed data, and generating an operation interface for the compressed image file; transferring the compressed image file to the demonstration equipment, which is connected with electronic equipment, by using the operation interface, so as to synchronously acquire a second picture corresponding to the compressed image file in the demonstration equipment, and displaying the second picture on a second display of the demonstration equipment, wherein the second picture is approximately same with the first picture. According to the technical scheme provided by an embodiment of the invention, fast synchronous demonstration can be performed, so that the user experience is improved.
Description
Technical field
The present invention relates to areas of information technology, more specifically, relate to a kind of data processing method, image demonstration method, data processing equipment and demonstration equipment.
Background technology
Along with the development of electronic technology, there is various electronic equipment, such as notebook, intelligent communications terminal and personal digital assistant etc.On these electronic equipments can displaying video, play games, presentation file etc.But, less or the power consumption of electronic equipment of screen due to electronic equipment and the restriction of performance, need in some cases by the image shows of the screen display on electronic equipment (i.e. display device) on other electronic equipment (i.e. demonstration equipment) of such as television set, projecting apparatus etc.
Described electronic equipment possesses screen interception function usually, thus can intercept picture on display on the display device, is sent on demonstration equipment by intercepted picture, and carries out picture demonstration on demonstration equipment.When intercepting the picture on display on the display device continuously, can synchronous demonstrating intercepts on the larger display of area on demonstration equipment picture.But, in present electronic equipment, in order to ensure the picture quality of intercepted picture, usually Lossless Compression being carried out to the view data of described picture, showing to be sent to demonstration equipment.The demonstration poor-performing of this existing synchronous demonstrating scheme, it is the highest that can only to realize 1-2fps(frame per second) frame per second, the needs of real-time synchronous demonstrating cannot be met, especially for the fast-changing picture such as video playback, game, do not reach the object of real time demonstration completely.
Therefore, expect to provide a kind of synchronous demonstrating technology can with more rapid rate to improve the experience of user.
Summary of the invention
Embodiments provide a kind of data processing method, image demonstration method, data processing equipment and demonstration equipment, it allows to carry out synchronous demonstrating fast, thus improves the experience of user.
On the one hand, provide a kind of data processing method, be applied to the electronic equipment with the first display, this data processing method comprises: when described first display shows the first picture, obtain the view data of the first picture shown on described first display; Lossy compression method coding is carried out to view data and obtains packed data; Form compressed image file based on described packed data, and generate the operation-interface being used for this compressed image file; Described operation-interface is utilized described compressed image file to be sent to the demonstration equipment be connected with described electronic equipment, to make synchronously to obtain second picture corresponding with described compressed image file in this demonstration equipment, and show described second picture on the second display of described demonstration equipment, described second picture is similar to identical with described first picture.
In described data processing method, described display device also can have screen processing unit, this screen processing unit is for the treatment of the picture shown on described first display, and the view data of the first picture that described acquisition shows on described first display comprises: the duplicate instructions sending the view data for being replicated in the first picture that described first display shows to described screen processing unit; Described view data is received from described screen processing unit.
In described data processing method, describedly carry out lossy compression method coding to view data and obtain packed data can comprising and carrying out JPEG (joint photographic experts group) JPEG compressed encoding to view data and obtain jpeg data as packed data; Described can comprising based on described packed data formation compressed image file forms jpeg file as compressed image file based on described jpeg data.
In described data processing method, also can comprise: the screen resolution determining described first display; Described screen resolution is compared with predetermined resolution; When described screen resolution is greater than described predetermined resolution, reduction process is carried out to obtained view data, to carry out lossy compression method coding to the view data after reduction.
In described data processing method, also can comprise: receive the operational order for the second demonstrated picture from described demonstration equipment; In described display device, simulate described operational order, with for the first picture that described first display shows to perform described operational order.
In described data processing method, described electronic equipment also can comprise internal memory, described data processing method also can comprise: be temporarily stored in described internal memory by described compressed image file, thus after this utilizes described operation-interface that described compressed image file is sent to described demonstration equipment from described internal memory.
On the other hand, provide a kind of image demonstration method, for demonstration equipment, this demonstration equipment can comprise display, described image demonstration method can comprise: receive compressed image file from the display device communicated to connect with described demonstration equipment, this compressed image file obtains by carrying out lossy compression method to the view data of the picture play on the display apparatus; Generate the operation-interface being used for this compressed image file, utilize this operation-interface to obtain the packed data corresponding with described compressed image file; Described packed data is decoded, and obtains the view data corresponding with the picture play on the display device; The picture that demonstration is corresponding with decoded view data in real time on the display.
In described image demonstration method, described compressed image file can be the jpeg file utilizing JPEG (joint photographic experts group) JPEG coding techniques to carry out JPEG compressed encoding to described view data and obtain, the described acquisition packed data corresponding with described compressed image file can comprise and obtain the jpeg data corresponding with described jpeg file as described packed data, describedly carries out decoding to described packed data and can comprise and utilize JPEG decoding technique to decode to described jpeg data.
In described image demonstration method, described demonstration equipment also can comprise input unit, and described image demonstration method also can comprise: obtain the operational order of described input unit for the picture demonstrated on the display; Described operational order is sent to described display device from described demonstration equipment, thus this display device performs described operational order.
On the other hand, provide a kind of data processing equipment, be applied to the display device with the first display, this data processing equipment can comprise: acquiring unit, during for showing the first picture on described first display, obtain the view data of the first picture shown on described first display; Compression unit, obtains packed data for carrying out lossy compression method coding to view data; Generation unit, for forming compressed image file based on described packed data, and generates the operation-interface being used for this compressed image file; Delivery unit, described compressed image file is sent to for utilizing described operation-interface the demonstration equipment be connected with described electronic equipment, to make synchronously to obtain second picture corresponding with described compressed image file in this demonstration equipment, and show described second picture on the second display of described demonstration equipment, described second picture is similar to identical with described first picture.
In described data processing equipment, described display device also can have screen processing unit, this screen processing unit can be used for processing the picture shown on described first display, wherein, described acquiring unit obtains the view data of described first picture by operating as follows: the duplicate instructions sending the view data for being replicated in the first picture that described first display shows to described screen processing unit, responsively receives described view data from described screen processing unit.
In described data processing equipment, the jpeg data that described compression unit can carry out JPEG (joint photographic experts group) JPEG compressed encoding to described view data and obtain as packed data, described generation unit can form jpeg file as compressed image file based on described jpeg data.
In described data processing equipment, described acquiring unit also can determine the screen resolution of described first display, and described data processing equipment also can comprise: comparing unit, for being compared with predetermined resolution by described screen resolution; Reduction unit, for when described screen resolution is greater than described predetermined resolution, carry out reduction process, thus described compression unit carries out lossy compression method coding to the view data after reduction to obtained view data.
In described data processing equipment, also can comprise: receiving element, for receiving the operational order for the second demonstrated picture from described demonstration equipment; Simulation performance element, for simulating described operational order in described display device, with for the first picture that described first display shows to perform described operational order.
In described data processing equipment, also can comprise internal memory, for temporary described compressed image file, thus described compressed image file is sent to described demonstration equipment from described internal memory by described delivery unit.
On the other hand, provide a kind of demonstration equipment, can comprise: receiving element, for receiving compressed image file from the display device communicated to connect with described demonstration equipment, this compressed image file obtains by carrying out lossy compression method to the view data of the picture play on the display apparatus; Generation unit, for generating the operation-interface for this compressed image file, utilizes this operation-interface to obtain the packed data corresponding with described compressed image file; Decoding unit, for decoding to described packed data, and obtains the view data corresponding with the picture play on the display device; Display, synchronously demonstrates the picture corresponding with decoded view data for playing with the picture on described display device.
In described demonstration equipment, described compressed image file can be the jpeg file utilizing JPEG (joint photographic experts group) JPEG coding techniques to carry out JPEG compressed encoding to described view data and obtain, described generation unit can obtain the jpeg data corresponding with described jpeg file as described packed data, and described decoding unit can utilize JPEG decoding technique to decode to described jpeg data.
In described demonstration equipment, also can comprise: input unit, for receiving the operational order of user; Delivery unit, user is sent to described display device for the operational order of the picture demonstrated on the display from described demonstration equipment, thus this display device performs described operational order.
In the technical scheme of the above-mentioned data processing method according to the embodiment of the present invention, image demonstration method, data processing equipment and demonstration equipment, compressed image file is formed by carrying out lossy compression method coding to view data, and generating run interface is convenient to the process of compressed image file, allow to carry out synchronous demonstrating fast, thus improve the experience of user.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 diagrammatically illustrates the system architecture for carrying out synchronous demonstrating;
Fig. 2 shows the flow chart of the data processing method according to the embodiment of the present invention;
Fig. 3 shows the flow chart of another data processing method according to the embodiment of the present invention;
Fig. 4 shows the flow chart of the image demonstration method according to the embodiment of the present invention;
Fig. 5 is the block diagram of the data processing equipment diagrammatically illustrated according to the embodiment of the present invention;
Fig. 6 is the block diagram of the demonstration equipment diagrammatically illustrated according to the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.
Fig. 1 diagrammatically illustrates the framework of the system for carrying out synchronous demonstrating.Display device 10 and demonstration equipment 20 is comprised at this framework for the system of carrying out synchronous demonstrating, this display device 10 and demonstration equipment 20 are connected via various wired, wireless communication mode, such as via USB (USB, Universal Serial Bus), the connection such as WiFi communication, thus transmit data between display device 10 and demonstration equipment 20.
Display device 10 in Fig. 1 is such as intelligent telephone set, personal digital assistant (PDA, PersonalDigital Assistant) etc. electronic equipment, on this display device 10 can displaying video, play games, presentation file etc., but the restriction of screen area, power consumption, performance etc. due to display device 10, its multiple users be unsuitable for number is more show picture, thus the plurality of user is difficult to carry out interaction.Therefore, described display device 10 communicates to connect with demonstration equipment 20, thus by the transfer of data of the picture shown on the display device to being applicable to the demonstration equipment 20 showing picture to multiple user.This demonstration equipment is such as the electronic equipment of television set, projecting apparatus etc., its display area usually comparatively large, be connected with power supply.Like this, the picture shown at display device 10 can synchronously be demonstrated on demonstration equipment 20, thus meets the demand of user.
It should be noted that above-mentioned display device 10, demonstration equipment 20 are only schematic, the electronic equipment of suitable type can be selected in different application scenarioss as required as display device 10, demonstration equipment 20.
Fig. 2 shows the flow chart of the data processing method 200 according to the embodiment of the present invention.This data processing method 200 can be applicable to the display device 10 shown in Fig. 1, and it, for being processed by the picture of display on display device 10, carries out synchronous demonstrating to be sent to demonstration equipment 20.In order to demonstrate picture, described display device 10 typically has the first display, but is not limited thereto, and it can also comprise other building block any.
Described data processing method 200 can comprise: when described first display shows the first picture, obtain the view data (S210) of the first picture shown on described first display; Lossy compression method coding is carried out to view data and obtains packed data (S220); Form compressed image file based on described packed data, and generate the operation-interface (S230) being used for this compressed image file; Described operation-interface is utilized described compressed image file to be sent to the demonstration equipment be connected with described electronic equipment, to make synchronously to obtain second picture corresponding with described compressed image file in this demonstration equipment, and show described second picture on the second display of described demonstration equipment, described second picture is similar to identical (S240) with described first picture.
In S210, when described first display shows the first picture, obtain the view data of the first picture shown on described first display.Various technological means can be taked to obtain the view data of the first shown picture.The number of this first picture is generally multiple, and it such as with time sequencing display on the first display.
As the mode of the view data of this first picture of acquisition, photographic apparatus can be utilized to take described first picture, to obtain its view data.In addition, before first picture that can also show on the first display, the view data of this first picture is intercepted in advance.Existing electronic equipment has the screen processing unit that can process the picture shown on described first display usually, and this screen processing unit makes it possible to the view data obtaining the first picture expediently.Such as, in the intelligent telephone set using Android (Android) operating system, this screen processing unit is service SurfaceFlinger.This service SurfaceFlinger provides the function combined display frame in system scope, and the display frame of various application program can be combined by it.Screenshotss functional interface is provided, for the acquisition of the view data of this first picture is provided convenience in the service SurfaceFlinger of more than the Android2.3 version of current use.Particularly, when having screen processing unit in display device 10, this S210 can comprise: the duplicate instructions sending the view data for being replicated in the first picture that described first display shows to described screen processing unit; Described view data is received from described screen processing unit.Now, utilize existing screen processing unit in display device to obtain the view data of the first picture, do not need to modify to the system in display device, correspondingly reduce the workload of exploitation.It should be noted that this service SurfaceFlinger is only schematic, when the operating system of display device is different, the service of other type wherein can be had as screen processing unit.
In S220, lossy compression method coding is carried out to view data and obtains packed data.The raw image data of the view data of the first picture obtained in S210 normally such as RGB data, its data volume is very large, so the transmission time that the transmission bandwidth needed when transmitting from display device to demonstration equipment is comparatively large or needs are longer.The speed of the data transmission technology of existing equipment room is also enough not fast, in order to shorten the transmission time, needing to compress described raw image data, demonstrating so that the view data of the first obtained picture is sent to demonstration equipment rapidly.
In the prior art, the lossless compression-encoding mode of the compression algorithm of such as portable network figure (PNG, Portable NetworkGraphics) form and so on is usually taked.Although utilize the picture quality after the compression of described lossless compression-encoding mode better, less to the decrement of data, the required transmission time is longer.Take lossy compression method coded system in embodiments of the invention, can greatly compress described view data, the transmission time needed for shortening, thus carry out synchronous demonstrating fast.Typically, can comprise in this S220: JPEG (joint photographic experts group) JPEG compressed encoding is carried out to view data and obtains jpeg data as packed data.Although JPEG compress technique removes the image of redundancy and color data and the compression ratio obtaining high in lossy compression method mode, it also can represent very abundant lively image.In addition, such as scalable vector graphics SVG compressed encoding can also be taked and obtain SVG data as packed data in S220.The mode of the lossy compression method coding of concrete employing is not construed as limiting the invention.
In S230, form compressed image file based on described packed data, and generate the operation-interface being used for this compressed image file.Such as, if carry out JPEG compressed encoding to view data and obtain jpeg data as packed data in S220, then in S230, form jpeg file as compressed image file based on described jpeg data; If carry out SVG compressed encoding to view data and obtain SVG data as packed data in S220, then in S230, form SVG file as compressed image file based on described SVG data.When generated compressed image file format change, correspondingly need to generate the operation-interface for this compressed image file, thus the operation of reading and writing, transmission and so on is performed to this compressed image file.The miscellaneous equipment etc. that this operation-interface makes each building block of electronic equipment, communicate to connect with described electronic equipment can identify this compressed image file rapidly, thus quickening is for the operation of compressed image file.
In S240, wired, wireless transmission method as above can be utilized, the demonstration equipment (demonstration equipment 20 such as, in Fig. 1) utilizing described operation-interface to be sent to by described compressed image file to be connected with described electronic equipment.After receiving compressed image file, this demonstration equipment reads packed data as early as possible and decodes from compressed image file, thus obtain second picture corresponding with described compressed image file, and synchronously show described second picture on the second display of described demonstration equipment.Owing to may there is partial distortion in the process of compressed encoding and decoding, therefore described second picture is similar to identical with described first picture.
In the technical scheme of the above-mentioned data processing method according to the embodiment of the present invention, compressed image file is formed by carrying out lossy compression method coding to view data, and generating run interface is convenient to the process of compressed image file, can synchronous demonstrating fast be carried out, thus improve the experience of user.
Fig. 3 shows the flow chart of another data processing method 300 according to the embodiment of the present invention.In this another data processing method 300, step S210 in step S210, S220, S230, S240 and Fig. 2, S220, S230, S240 are identical, and have employed identical reference symbol, here be no longer described, and only describe the data processing method 300 of Fig. 3 and the difference of the data processing method 200 of Fig. 2.
First, before step S230 in figure 3, add step S212, S214, S216.That is, the screen resolution (S212) of described first display is determined; Described screen resolution is compared with predetermined resolution (S214); When described screen resolution is greater than described predetermined resolution, reduction process (S216) is carried out to obtained view data, after this lossy compression method coding (S220) is carried out to the view data after reduction; When described screen resolution is less than or equal to described predetermined resolution, do not perform described step S216, in S220, compressed encoding carried out to the view data obtained in S210 and obtain packed data.Although perform S212 and S214 shown in Fig. 3 after S210, before S210 or with it, side by side S212 and S214 can be performed.
Can be determined that by described S212 and S214 whether the view data of the first picture shown on described first display is very large, when very large, directly reduce in S216, thus the data volume that will transmit can be reduced simply and effectively.In addition, because the resolution of the view data of described first picture is higher, the direct reduction operation in S216 also sharply can not reduce the picture quality of the first picture.Exemplarily, described predetermined resolution can be such as 1280 × 720, and it also can be other value according to the difference of picture or display device.In described S216, can by obtained view data reduction scheduled volume, this scheduled volume can be such as the length of obtained view data and width directly reduce half, three/first-class, reduce more, the data then will transmitted are fewer, but image quality can reduce more; Reduce fewer, then the data will transmitted are more, but image quality can increase.In S220, JPEG (joint photographic experts group) JPEG technology can be utilized to carry out JPEG compressed encoding to described packed data, and obtain the jpeg data as packed data.Now, the frame per second of picture can be brought up to 10 frames (fps) per second, thus drastically increase synchronous demonstrating effect.
Secondly, relative to the data processing method of Fig. 2, step S232 is added between S230 and S240 in figure 3, namely after formation compressed image file, described compressed image file is temporarily stored in (S232) in described internal memory, thus after this in S240, described compressed image file is sent to described demonstration equipment from described internal memory.Utilize this S232, the speed that each compressed image file is sent to demonstration equipment can be controlled as required, thus the demonstrating effect of adjustment on demonstration equipment.
Finally, the data processing method 300 of Fig. 3 is also to add step S250, S260 with the difference of the data processing method 200 of Fig. 2.In an embodiment of the present invention, in display device (10) while display the first picture, in demonstration equipment (20), synchronously demonstrate approximate second picture obtained based on this first picture.User watches the second picture usually on this demonstration equipment, and it may need the picture shown by operation, to carry out interaction.Therefore, user may need the picture display controlled by this demonstration equipment on display device, namely this step S250, S260 are that it is mutual to realize with demonstration equipment in the display device, particularly: receive the operational order (S250) for the second demonstrated picture from described demonstration equipment; Described operational order is simulated, to show the first picture to perform described operational order (S260) on described first display in described display device.
It should be noted that for above-mentioned three the difference aspects between Fig. 3 and Fig. 2, what can increase in each difference described on the data processing method basis of Fig. 2 is one or more, instead of increases the whole of described three difference aspects like that to Fig. 3.Can carry out as required in practice selecting, combining, to reach required effect.
In the technical scheme of the data processing method according to Fig. 3 of the embodiment of the present invention, directly transmitting on the packed data basis corresponding with display frame between different devices, resolution also in conjunction with picture takes more efficiently data compression scheme, allow to improve synchronous demonstrating effect further, the picture of user on demonstration equipment and display device can also be made mutual, thus further increase the experience of user.
Fig. 4 shows the flow chart of the image demonstration method 400 according to the embodiment of the present invention.Image demonstration method 400 can be applicable to the demonstration equipment 20 shown in Fig. 1, and it is for receiving compressed image file from display device 10, performs the coding/decoding method corresponding with the coding in the data processing method that composition graphs 2-3 describes, to carry out synchronous demonstrating.This demonstration equipment 20 comprises display, and it can also comprise other building block any.
Image demonstration method 400 as shown in Figure 4 can comprise: receive compressed image file from the display device communicated to connect with described demonstration equipment, this compressed image file obtains (S410) by carrying out lossy compression method to the view data of the picture play on the display apparatus; Generate the operation-interface being used for this compressed image file, utilize this operation-interface to obtain the packed data (S420) corresponding with described compressed image file; Described packed data is decoded, and obtains the view data (S430) corresponding with the picture play on the display device; The picture (S440) that demonstration is corresponding with decoded view data in real time on the display.
In S410, various wired, communication is utilized to receive compressed image file from the display device communicated to connect with described demonstration equipment.This compressed image file obtains by carrying out lossy compression method to the view data of the picture play on the display apparatus.Such as, JPEG compressed encoding is carried out to the view data of the picture play on the display apparatus and obtains jpeg data, the write operation of described jpeg data execute file is obtained corresponding jpeg file, as described compressed image file.Each compressed image file is corresponding with each picture play on the display device.
In S420, generate the operation-interface being used for this compressed image file, utilize this operation-interface to obtain the packed data corresponding with described compressed image file.After this operation-interface of generation, various operation can be performed to this compressed image file, such as, can read packed data from this compressed image file, thus obtain the packed data corresponding with described compressed image file for process subsequently.When the form of described compressed image file is different, described operation-interface also respective change.Such as, for the operation-interface of jpeg file be different for the operation-interface of SVG file.Described compressed image file be utilize JPEG (joint photographic experts group) JPEG coding techniques to carry out JPEG compressed encoding to described view data and obtain jpeg file time, this S420 can comprise and utilizes this operation-interface to obtain the jpeg data corresponding with described jpeg file as described packed data.
In S430, described packed data is decoded, and obtains the view data corresponding with the picture play on the display device.Decoding process used herein depends on the compression coding mode used in described display device.Such as, when described compressed image file is described jpeg file, the packed data obtained in S420 is jpeg data, then this S430 can comprise and utilizes JPEG decoding technique to decode to described packed data.When described compressed image file is described SVG file, the packed data obtained in S420 is SVG data, then this S430 can comprise and utilizes SVG decoding technique to decode to described packed data.When the packed data of described compressed image file also experienced by the reduction process as shown in the step S216 of Fig. 3, then the view data obtained after being decoded by this S430, by the data reduced, can not obtain the image section of wherein deleted pixel.
In S440, the demonstration picture corresponding with decoded view data in real time on the display, thus with the picture synchronization shown on described display device on the display of this demonstration equipment, demonstrate corresponding picture.
Alternatively, this image demonstration method 400 can also comprise: the operational order (S450) of input unit for the picture demonstrated on the display obtaining described demonstration equipment; Described operational order is sent to described display device from described demonstration equipment, thus this display device performs described operational order (S460) (as shown in the dotted line frame in Fig. 4).As previously mentioned, user may need the picture display controlled by demonstration equipment on display device (i.e. another equipment), and namely this step S450, S460 are that it is mutual to realize with display device on demonstration equipment.Input unit in S450 is such as mouse, keyboard etc., when sending operational order when user operation input unit for the picture demonstrated on the display, in S450, record the information of this operational order, such as, comprise button numerical value, mouse coordinates, push-button type (lift, press) etc.In S460, these information of operational order are sent to described display device, to simulate described operational order in described display device, thus perform described operational order for the picture of simultaneous display on described display device.
In the technical scheme of the above-mentioned image demonstration method according to the embodiment of the present invention, compressed image file is formed by carrying out lossy compression method coding to view data, and generating run interface is convenient to the process of compressed image file, allow to carry out synchronous demonstrating fast, thus improve the experience of user.In addition, the picture of user on demonstration equipment and display device can also be made mutual, thus further increase the experience of user.
Fig. 5 is the block diagram of the data processing equipment 500 diagrammatically illustrated according to the embodiment of the present invention.This data processing equipment 500 can be applicable to the display device 10 shown in Fig. 1, and it, for being processed by the picture of display on display device 10, carries out synchronous demonstrating to be sent to demonstration equipment 20.In order to demonstrate picture, described display device 10 typically has the first display, but is not limited thereto, and it can also comprise other building block any.
This data processing equipment 500 comprises: acquiring unit 510, during for showing the first picture on described first display, obtains the view data of the first picture shown on described first display; Compression unit 520, obtains packed data for carrying out lossy compression method coding to view data; Generation unit 530, for forming compressed image file based on described packed data, and generates the operation-interface being used for this compressed image file; Delivery unit 540, described compressed image file is sent to for utilizing described operation-interface the demonstration equipment be connected with described electronic equipment, to make synchronously to obtain second picture corresponding with described compressed image file in this demonstration equipment, and show described second picture on the second display of described demonstration equipment, described second picture is similar to identical with described first picture.
Described acquiring unit 510 can take various technological means to obtain the view data of the first shown picture.The number of the first picture obtained is generally multiple, and it such as with time sequencing display on the first display.
As the mode of the view data of this first picture of acquisition, acquiring unit 510 can utilize photographic apparatus to take described first picture, to obtain its view data.When described display device has had the screen processing unit for the treatment of the picture shown on described first display, acquiring unit 510 can also obtain the view data of described first picture by following operation: the duplicate instructions sending the view data for being replicated in the first picture that described first display shows to described screen processing unit, responsively receives described view data from described screen processing unit.That is, acquiring unit 510 utilizes existing screen processing unit in display device to obtain the view data of the first picture, does not need to modify to the system in display device, correspondingly reduces the workload of exploitation.In the intelligent telephone set using Android operation system, this screen processing unit is service SurfaceFlinger, this service SurfaceFlinger is only schematic, when the operating system of display device is different, wherein can have the service of other type as screen processing unit.
Described compression unit 520 pairs of view data are carried out lossy compression method coding and obtain packed data.The raw image data of the view data of the first picture that acquiring unit 510 obtains normally such as RGB data, its data volume is very large.The speed of the data transmission technology of existing equipment room is also enough not fast, in order to shorten the transmission time, need to utilize this compression unit 520 to compress described raw image data, demonstrate so that the view data of the first obtained picture is sent to demonstration equipment rapidly.
In the prior art, the lossless compression-encoding mode of such as PNG compressed encoding and so on is usually taked.Although utilize the picture quality after the compression of described lossless compression-encoding mode better, less to the decrement of data, the required transmission time is longer.Compression unit 520 in embodiments of the invention takes lossy compression method coded system, can greatly compress described view data, the transmission time needed for shortening, thus carry out synchronous demonstrating fast.Typically, described compression unit 520 can carry out JPEG (joint photographic experts group) JPEG compressed encoding to described view data and the jpeg data obtained as packed data.Although JPEG compress technique removes the image of redundancy and color data and the compression ratio obtaining high in lossy compression method mode, it also can represent very abundant lively image.In addition, described compression unit 520 can also take such as SVG compression coding technology carry out compressed encoding to described view data and obtain SVG data as packed data.The mode of the lossy compression method coding of concrete employing is not construed as limiting the invention.
Alternatively, described compression unit 520, before carrying out compressed encoding to obtained view data, can also suitably reduce obtained view data, to improve compression coding efficiency.Particularly, the screen resolution of described display can be determined via described acquiring unit 510, comprise further at described data processing equipment 500: comparing unit 550, for described screen resolution is compared with predetermined resolution; Reduction unit 570, for when described screen resolution is greater than described predetermined resolution, obtained view data reduction scheduled volume is obtained reduction data, thus described compression unit 520 carries out lossy compression method coding to the view data after reduction.When described screen resolution is less than or equal to described predetermined resolution, described reduction unit 570 does not reduce obtained view data, but directly carries out compressed encoding to the view data obtained by described compression unit 520 and obtain packed data.
Can be determined that by the compare operation of described comparing unit 550 whether the view data of the first picture shown on described first display is very large.When very large, first described reduction unit 570 reduces the view data of the first picture, thus can reduce the data volume that will transmit simply and effectively.In addition, because the resolution of the view data of described first picture is higher, the direct reduction operation of described reduction unit 570 also sharply can not reduce the picture quality of the first picture.Described predetermined resolution can be such as 1280 × 720, and it also can be other value according to the difference of picture or display device.Reduction for described reduction unit 570 operates, and the length of obtained view data and width directly can be reduced half, three/first-class.After obtained view data reduction scheduled volume is obtained reduction data by described reduction unit 570, its jpeg data that JPEG (joint photographic experts group) JPEG technology can be utilized to carry out JPEG compressed encoding to described reduction data and obtain as packed data.
Described generation unit 530 forms compressed image file based on described packed data, and generates the operation-interface being used for this compressed image file.Depend on the compression coding technology that described compression unit 520 is taked, the compressed image file that described in this, generation unit 530 is formed can be jpeg file, SVG file etc.
When the format change of formed compressed image file, correspondingly need to generate the operation-interface for this compressed image file, thus the operation of reading and writing, transmission and so on is performed to this compressed image file.The miscellaneous equipment etc. that this operation-interface makes each building block of electronic equipment, communicate to connect with described electronic equipment can identify this compressed image file rapidly, thus quickening is for the operation of compressed image file.
Described delivery unit 540 utilizes wired, wireless transmission method as above the compressed image file that generation unit 530 is formed to be sent to the demonstration equipment (demonstration equipment 20 as in Fig. 1) be connected with described display device.This demonstration equipment receives this compressed image file, read packed data wherein, and decode, synchronously to obtain second picture corresponding with described compressed image file, this second picture is by carrying out compressed encoding and the picture of then decoding accordingly in demonstration equipment and obtaining to the view data of each the first picture in data processing equipment 500, owing to may there is partial distortion in the process of compressed encoding and decoding, therefore described second picture is similar to identical with described first picture.
Alternatively, described data processing equipment 500 can also comprise: receiving element 570, receives the operational order for the second demonstrated picture from described demonstration equipment; Simulation performance element 580, for simulating described operational order in described display device, with for the first picture that described first display shows to perform described operational order (as shown in the dashed rectangle in Fig. 5).The picture display that this receiving element 570 and simulation performance element 580 make user be controlled on display device by this demonstration equipment, mutual with what realize with demonstration equipment in the display device, thus promote the experience of user further.
Alternatively, described data processing equipment 500 can also comprise internal memory 590, for being temporarily stored in the compressed image file that described generation unit 530 is formed, thus after this described compressed image file is sent to described demonstration equipment from described internal memory 590 by described delivery unit 540.Utilize this internal memory 590, the speed that each compressed image file is sent to demonstration equipment can be controlled as required, thus the demonstrating effect of adjustment on demonstration equipment.
It should be noted that in the block diagram shown in Fig. 5, described comparing unit 550, reduction unit 560, receiving element 570 and simulation performance element 580, internal memory 590 are all optional.When needing obtained view data reduction scheduled volume, need described comparing unit 550, reduction unit 560; Needing to realize in the display device need described receiving element 570 with during demonstration equipment mutual and simulate performance element 580; Described internal memory 590 may be needed when assisting the operation of delivery unit 540.Can come as required in practice suitably to select.
In the technical scheme of the data processing equipment according to Fig. 5 of the embodiment of the present invention, compressed image file is formed by carrying out lossy compression method coding to view data, and generating run interface is convenient to the process of compressed image file, allow to carry out synchronous demonstrating fast, thus improve the experience of user.
Fig. 6 is the block diagram of the demonstration equipment 600 diagrammatically illustrated according to the embodiment of the present invention.This demonstration equipment 600, for data processing equipment 500 receiving compressed data from Fig. 5, correspondingly performs decompression, separates coding, to carry out synchronous demonstrating.
This demonstration equipment 600 comprises: receiving element 610, for receiving compressed image file from the display device communicated to connect with described demonstration equipment, this compressed image file obtains by carrying out lossy compression method to the view data of the picture play on the display apparatus; Generation unit 620, for generating the operation-interface for this compressed image file, utilizes this operation-interface to obtain the packed data corresponding with described compressed image file; Decoding unit 630, for decoding to described packed data, and obtains the view data corresponding with the picture play on the display device; Display 640, synchronously demonstrates the picture corresponding with decoded view data for playing with the picture on described display device.
Receiving element 610 receives compressed image file from the miscellaneous equipment communicated to connect with described demonstration equipment (data processing equipment of such as Fig. 5 or comprise its display device).This compressed image file can be such as the jpeg file obtained by carrying out JPEG compressed encoding to the view data of the picture play on the display apparatus, also can be the SVG file carrying out SVG compressed encoding to it and obtain.Each receives compressed image file and is received continuously, and receiving element 610 can control the subsequent treatment of each compressed image file with the internal memory cooperation in demonstration equipment 600.
Described generation unit 620 generates the operation-interface being used for this compressed image file.After this operation-interface of generation, various operation can be performed to this compressed image file, such as, can read packed data from this compressed image file, thus obtain the packed data corresponding with described compressed image file for process subsequently.When the form of described compressed image file is different, described operation-interface also respective change.Such as, for the operation-interface of jpeg file be different for the operation-interface of SVG file.Described compressed image file be utilize JPEG coding techniques to carry out JPEG compressed encoding to described view data and obtain jpeg file time, described generation unit 620 can utilize this operation-interface to obtain the jpeg data corresponding with described jpeg file.
Described decoding unit 630 is decoded to described packed data, and obtains the view data corresponding with the picture play on the display device.When described compressed image file is described SVG file, the packed data that described generation unit 620 obtains is SVG data, then decoding unit 630 described in this can utilize SVG decoding technique to described SVG decoding data; When described compressed image file is described jpeg file, the packed data that described generation unit 620 obtains is jpeg data, then decoding unit 630 described in this can utilize JPEG decoding technique to decode to described jpeg data.When the packed data of described compressed image file has also carried out reducing process via the reduction unit 570 of such as Fig. 5, the view data obtained after then being decoded by this decoding unit 630, by the data reduced, can not obtain the image section of wherein deleted pixel.
Display 640 demonstrates the picture corresponding with decoded view data in real time, thus with the picture synchronization shown on described display device demonstrate corresponding picture.
Alternatively, this demonstration equipment 600 can also comprise: input unit 650, for receiving the operational order of user; Delivery unit 660, user is sent to described display device for the operational order of the picture demonstrated on the display from described demonstration equipment, thus this display device performs described operational order (as shown in the dotted line frame in Fig. 6).As previously mentioned, user may need the picture display controlled by demonstration equipment on display device, and namely this input unit 650 and delivery unit 660 are that it is mutual to realize with display device on demonstration equipment.Input unit 650 is such as mouse, keyboard etc.Information (such as button numerical value, mouse coordinates, push-button type etc.) about operational order is sent to described display device by delivery unit 660, to simulate described operational order in described display device, to perform described operational order for the picture of simultaneous display on described display device.
In the technical scheme of the above-mentioned demonstration equipment according to the embodiment of the present invention, compressed image file is formed by carrying out lossy compression method coding to view data, and generating run interface is convenient to the process of compressed image file, allow to carry out synchronous demonstrating fast, thus improve the experience of user.In addition, the picture of user on demonstration equipment and display device can also be made mutual, thus further increase the experience of user.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, unit involved in the electronic equipment of foregoing description and the specific implementation of parts, with reference to the diagram in preceding method embodiment and operation, can not repeat them here.
In several embodiments that the application provides, should be understood that disclosed unit, parts and method can realize by another way.Such as, device embodiment described above is only schematic, and some features of such as discrete cell can be ignored, or do not perform.In addition, the part steps in said method embodiment can reconfigure, or can execution sequence before changing section step.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection range of claim.
Claims (18)
1. a data processing method, is applied to the electronic equipment with the first display, and this data processing method comprises:
When described first display shows the first picture, obtain the view data of the first picture shown on described first display;
Lossy compression method coding is carried out to view data and obtains packed data;
Form compressed image file based on described packed data, and generate the operation-interface being used for this compressed image file;
Described operation-interface is utilized described compressed image file to be sent to the demonstration equipment be connected with described electronic equipment, to make synchronously to obtain second picture corresponding with described compressed image file in this demonstration equipment, and show described second picture on the second display of described demonstration equipment, described second picture is similar to identical with described first picture.
2. data processing method according to claim 1, wherein, described display device also has screen processing unit, and this screen processing unit is for the treatment of the picture shown on described first display, and the view data of the first picture that described acquisition shows on described first display comprises:
The duplicate instructions of the view data for being replicated in the first picture that described first display shows is sent to described screen processing unit;
Described view data is received from described screen processing unit.
3. data processing method according to claim 1, wherein, describedly carries out lossy compression method coding to view data and obtains packed data comprising: carry out JPEG (joint photographic experts group) JPEG compressed encoding to view data and obtain jpeg data as packed data,
Describedly form compressed image file based on described packed data and comprise: form jpeg file as compressed image file based on described jpeg data.
4., according to the data processing method of claim 1 or 3, also comprise:
Determine the screen resolution of described first display;
Described screen resolution is compared with predetermined resolution;
When described screen resolution is greater than described predetermined resolution, reduction process is carried out to obtained view data, to carry out lossy compression method coding to the view data after reduction.
5. data processing method according to claim 1, also comprises:
The operational order for the second demonstrated picture is received from described demonstration equipment;
In described display device, simulate described operational order, with for the first picture that described first display shows to perform described operational order.
6. data processing method according to claim 1, described electronic equipment also comprises internal memory, and described data processing method also comprises:
Described compressed image file is temporarily stored in described internal memory, thus after this utilizes described operation-interface that described compressed image file is sent to described demonstration equipment from described internal memory.
7. an image demonstration method, for demonstration equipment, this demonstration equipment comprises display, and described image demonstration method comprises:
Receive compressed image file from the display device communicated to connect with described demonstration equipment, this compressed image file obtains by carrying out lossy compression method to the view data of the picture play on the display apparatus;
Generate the operation-interface being used for this compressed image file, utilize this operation-interface to obtain the packed data corresponding with described compressed image file;
Described packed data is decoded, and obtains the view data corresponding with the picture play on the display device;
The picture that demonstration is corresponding with decoded view data in real time on the display.
8. image demonstration method according to claim 7, wherein, described compressed image file is the jpeg file utilizing JPEG (joint photographic experts group) JPEG coding techniques to carry out JPEG compressed encoding to described view data and obtain,
Described this operation-interface acquisition packed data corresponding with described compressed image file that utilize comprises: utilize this operation-interface to obtain the jpeg data corresponding with described jpeg file as described packed data,
Describedly decoding is carried out to described packed data comprise: utilize JPEG decoding technique to decode to described jpeg data.
9. image demonstration method according to claim 7, wherein, described demonstration equipment also comprises input unit, and described image demonstration method also comprises:
Obtain the operational order of described input unit for the picture demonstrated on the display;
Described operational order is sent to described display device from described demonstration equipment, thus this display device performs described operational order.
10. a data processing equipment, is applied to the display device with the first display, and this data processing equipment comprises:
Acquiring unit, during for showing the first picture on described first display, obtains the view data of the first picture shown on described first display;
Compression unit, obtains packed data for carrying out lossy compression method coding to view data;
Generation unit, for forming compressed image file based on described packed data, and generates the operation-interface being used for this compressed image file;
Delivery unit, described compressed image file is sent to for utilizing described operation-interface the demonstration equipment be connected with described electronic equipment, to make synchronously to obtain second picture corresponding with described compressed image file in this demonstration equipment, and show described second picture on the second display of described demonstration equipment, described second picture is similar to identical with described first picture.
11. data processing equipments according to claim 10, wherein, described display device also has screen processing unit, this screen processing unit for the treatment of the picture shown on described first display,
Wherein, described acquiring unit obtains the view data of described first picture by following operation: the duplicate instructions sending the view data for being replicated in the first picture that described first display shows to described screen processing unit, responsively receives described view data from described screen processing unit.
12. data processing equipments according to claim 10, wherein, the jpeg data that described compression unit carries out JPEG (joint photographic experts group) JPEG compressed encoding to described view data and obtains as packed data,
Described generation unit forms jpeg file as compressed image file based on described jpeg data.
13. according to the data processing equipment of claim 10 or 12, and wherein, described acquiring unit also determines the screen resolution of described first display, and described data processing equipment also comprises:
Comparing unit, for comparing described screen resolution with predetermined resolution;
Reduction unit, for when described screen resolution is greater than described predetermined resolution, carry out reduction process, thus described compression unit carries out lossy compression method coding to the view data after reduction to obtained view data.
14. data processing equipments according to claim 10, also comprise:
Receiving element, for receiving the operational order for the second demonstrated picture from described demonstration equipment;
Simulation performance element, for simulating described operational order in described display device, with for the first picture that described first display shows to perform described operational order.
15. data processing equipments according to claim 10, also comprise internal memory, and for temporary described compressed image file, thus described compressed image file is sent to described demonstration equipment from described internal memory by described delivery unit.
16. 1 kinds of demonstration equipments, comprising:
Receiving element, for receiving compressed image file from the display device communicated to connect with described demonstration equipment, this compressed image file obtains by carrying out lossy compression method to the view data of the picture play on the display apparatus;
Generation unit, for generating the operation-interface for this compressed image file, utilizes this operation-interface to obtain the packed data corresponding with described compressed image file;
Decoding unit, for decoding to described packed data, and obtains the view data corresponding with the picture play on the display device;
Display, synchronously demonstrates the picture corresponding with decoded view data for playing with the picture on described display device.
17. demonstration equipments according to claim 16, wherein, described compressed image file is the jpeg file utilizing JPEG (joint photographic experts group) JPEG coding techniques to carry out JPEG compressed encoding to described view data and obtain,
Described generation unit obtains the jpeg data corresponding with described jpeg file as described packed data,
Described decoding unit utilizes JPEG decoding technique to decode to described jpeg data.
18. demonstration equipments according to claim 16, also comprise:
Input unit, for receiving the operational order of user;
Delivery unit, user is sent to described display device for the operational order of the picture demonstrated on the display from described demonstration equipment, thus this display device performs described operational order.
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