CN100473163C - Method and system for projecting dynamic static hybrid picture - Google Patents
Method and system for projecting dynamic static hybrid picture Download PDFInfo
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- CN100473163C CN100473163C CN 200510109320 CN200510109320A CN100473163C CN 100473163 C CN100473163 C CN 100473163C CN 200510109320 CN200510109320 CN 200510109320 CN 200510109320 A CN200510109320 A CN 200510109320A CN 100473163 C CN100473163 C CN 100473163C
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Abstract
The inventin discloses a protecting method in a projecting system comprising projection information transmitting end and projecting end, able to achieve static image and dynamic video display effect on the condition of limited transmission bandwidth. And it comprises the steps of: at the projection information transmitting end, analyzing the projection information to generate static picture information and dynamic picture information; transmitting them as data to the projecting end; at the projecting end, extracting them from the received data; and displaying them in the respective windows. And the invention can assure projected picture performance and effectively reduce CPU processing ability requirements.
Description
Technical field
The present invention relates to a kind of projecting method and optical projection system of dynamic static hybrid picture, particularly, relate to a kind of projecting method and optical projection system that can under the situation of limited transmission bandwidth, satisfy the display effect of still image and dynamic video simultaneously and save the demand of CPU disposal ability effectively.
Background technology
The application and the product that have occurred a lot of new models at 3C (3C refers to computer, communication and 3 fields of consumer electronics), such as passing through wireless or wired network, watch storage video, audio frequency and picture information on computers on television set, this application can make the user appreciate more abundant content with equipment more suitably in the family.This application can also realize wireless display, utilizes wireless mode that the screen content on the notebook is projected by projector, and wireless display can be brought a lot of facilities in meeting or teaching process.
Fig. 8 is that computer is connected the schematic diagram of realizing projecting function with projecting apparatus, two kinds of connected modes have been described, figure wherein (A) is traditional wire cable ways of connecting of passing through analog interface, and scheme (B) part is that mode by wireless network connects and carries out projection, transmission over networks be digital signal.
When under pressing traditional approach, using projecting apparatus, utilize the analog interface (as the VGA delivery outlet of computer) of apparatus such as computer, provide projecting apparatus and computer etc. the equipment of displaying contents to couple together with wired mode, directly the signal that needs are shown is transferred to projecting apparatus with simulated mode.This mode can reappear content displayed on the computer screen on the projection screen of projecting apparatus fully, comprises static display message such as the literal that shows on the computer screen, form, is also included within the video displaying contents of playing on the computer.
But, if the mode by wireless or cable network is transferred to projecting apparatus to the screen content of computer, then can't directly utilize original analog interface on the computer equipment, and need the content of screen display be carried out necessary coding in computer end, mode with digital signal is transferred to the projecting apparatus end, and the projecting apparatus analog signal that digital signal is reverted to demonstration and needs of decoding again projects.Such implementation needs computer and projecting apparatus to have the ability of three aspects, and one is the code capacity that computer end needs image and audio frequency and video, and the 2nd, the network receiving ability of the network capacity of computer end and projecting apparatus end.In addition, also want projecting apparatus to possess decoding capability, have only whole system to have the ability of these several respects, could realize the process of coding-transmission-reception-decoding-demonstration image and audio frequency and video.
In projection process, if computer screen shows is contents such as static photo, literal, form, then need to guarantee the static details that shows, avoid in the process of coding-transmission-decoding, producing distortion, such as certain lossless compression algorithm.This need and produce bigger transmitted data amount than complicated algorithm.If what computer screen showed is dynamic video, then need under the prerequisite that guarantees image sharpness, satisfy certain transmission frame per second, just can reach the dynamic effect of video.Generally speaking, tableaux adopts different coding methods to handle with dynamic video.
But, if at computer screen is that a sound attitude is during in conjunction with team's picture, such as some display window scope content displayed is tableaux, and another indication range is when utilizing some video players to carry out the situation of video playback, if handle according to the low loss of static state requirement or even the coded system of lossless compress, satisfy the frame per second of video section again simultaneously, then need computer end to have extremely strong compressed encoding ability just can finish the per second compressed encoding of multiframe picture so, and the wireless or cable network that requires transmission has the transmission bandwidth of non-constant width, can transmit so big data volume.
Therefore, need a proper compression coded system to handle, the picture effect that makes the dynamic static hybrid picture of computer screen project can satisfy the smooth effect of dynamic video, can satisfy again tableaux stable, content shows clearly.
Summary of the invention
In view of the above problems, projecting method of the present invention and optical projection system have been proposed.The purpose of this invention is to provide a kind of coding and transmission method that is applicable to the display screen that the projecting apparatus class is used, dynamic static hybrid picture for screen, make the picture effect that projects to satisfy the smooth effect of dynamic video, can satisfy stable, the content demonstration clearly of tableaux again.
In one aspect of the invention, a kind of projecting method that carries out in the optical projection system that comprises projection information transmitting terminal and projection end has been proposed, comprise step: at described projection information transmitting terminal, projection information is analyzed, to produce tableaux information and dynamic menu information; Described tableaux information and dynamic menu information are sent to described projection end as data; At described projection end, from described tableaux information of extracting data and the dynamic menu information that receives; And described tableaux information and dynamic menu information is presented in separately the window.
In another aspect of this invention, a kind of optical projection system that comprises projection information transmitting terminal and projection end has been proposed, described projection information transmitting terminal comprises: first processing unit is used for projection information is analyzed, to produce tableaux information and dynamic menu information; Dispensing device sends to the projection end with described tableaux information and dynamic menu information as data; Described projection end comprises: second processing unit, from described tableaux information of extracting data and the dynamic menu information that receives; Projection display equipment is used for described tableaux information and dynamic menu information are presented at separately window.
In the processing, with dynamically and the zone of tableaux (big or small, position) message transmission to projection end (projecting apparatus), the projection termination obtains their residing area information on screen when receiving dynamic and static coding data, and according to this information sound attitude data are made up, the picture after the combination is carried out projection.
Display frame for the mixing of sound attitude, will be dynamically and tableaux partly handle respectively and transmit, handle the tableaux part by static loseless method, transmit with extremely low frame per second, do not increase when satisfying the stable display effect clearly of tableaux that CPU handles and the pressure of Network Transmission.And for the video playback part, directly obtain the display region information of player, the original video flow data that video file is play before showing arrives the projecting apparatus end by Network Transmission, and the process of saving screen printing and carrying out real-time coding, can save cpu resource greatly, and can satisfy the dynamic requirements that video shows, picture does not produce break.
Description of drawings
Figure 1A shows the formation block diagram according to the computer end in the optical projection system of the embodiment of the invention (projection information transmitting terminal);
Figure 1B shows the pie graph of the processing unit in the computer end shown in Figure 1A;
Fig. 2 A shows the formation block diagram according to the projection end in the optical projection system of the embodiment of the invention;
Fig. 2 B shows the pie graph of the processing unit of the projection end shown in Fig. 2 A;
(A) among Fig. 3 and (B) be the operational flowchart that projecting method according to the present invention carries out in lossless compress of carrying out full frame tableaux and projection process;
(A) among Fig. 4 and (B) be projecting method according to the present invention the compress mode of utilizing high compression ratio compress and the process of transmission and projection dynamic menu in the flow chart that carries out;
(A) among Fig. 5, (B) and to be projecting method according to the present invention (C) be transferred to Streaming Media by the network transmission protocol decode flow chart under the situation about playing of projecting apparatus end;
(A) among Fig. 6 and (B) flow chart of the projection information transmitting terminal that is projecting method according to the present invention under to the situation of the transmission of dynamic static hybrid picture and projection;
The flow chart of Fig. 7 projection end that is projecting method according to the present invention under to the situation of the transmission of dynamic static hybrid picture and projection;
(A) among Fig. 8 and (B) show the connection diagram of projection information transmitting terminal and projection end.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
Shown in Figure 1A, the optical projection system of the embodiment of the invention need comprise processing unit 102, network interface unit 103 and control interface unit 104 at computer end (projection information transmitting terminal).
Figure 1B shows the pie graph of the processing unit 102 in the computer end shown in Figure 1A.As shown in Figure 2, processing unit 102 comprises analysis part 1021, tableaux coded portion 1022, dynamic menu coded portion 1023, buffer portion 1024 and control section 1025.
1021 pairs of analytic units want projected data stream to analyze, if dynamic static hybrid picture then obtains sound attitude window information, and according to the sound attitude window information that is obtained dynamic static hybrid picture are divided into tableaux part and dynamic menu part.
Then, the tableaux part of 1022 pairs of analytic unit outputs of tableaux coded portion is encoded according to low damage or lossless compression algorithm, and the tableaux partial data behind the output encoder.Simultaneously, dynamic menu coded portion 1023 obtains the dynamic menu part of wanting dynamic play from analytic unit 1022, if desired, it is encoded, and is stored in then in the buffering 1024.
Playing under the situation of dynamic menu with the form of Streaming Media, control section 1025 obtains the timestamp information of Streaming Media, and utilize timestamp information that the dynamic menu of storage in the buffer portion 1024 is shone upon, and timestamp information is sent to the projection end by network interface unit 103, the timestamp and the tableaux of dynamic menu are shone upon the correction that is used for the projection end, synchronous to guarantee in the broadcast of projection end.
Fig. 2 A shows the block diagram according to the projection end in the optical projection system of the present invention.Projection end as shown in Figure 2 comprises projection display unit 201, processing unit 202, network interface unit 203 and control interface unit 204.
Fig. 2 B shows the pie graph of the processing unit 202 of the projection end shown in Fig. 2 A.Shown in Fig. 2 B, processing unit 202 comprises buffer portion 2021, extracts part 2022, tableaux decoded portion 2023, dynamic menu decoded portion 2024 and control section 2025.
In tableaux decoded portion 2023, the tableaux data are carried out the opposite decode procedure of cataloged procedure that carries out with the projection information transmitting terminal, and decoded tableaux is sent to projection display unit 201, be presented in the static window.
In dynamic menu decoded portion 2024, if desired, dynamic menu is decoded, perhaps dynamic menu is directly sent to projection display unit 201, dynamic menu is presented in the dynamic window.
In addition, control section 2025 will with the timestamp of the dynamic menu of tableaux mapping, carry out synchronous correction with tableaux, with guarantee between dynamic menu and the tableaux synchronously.
Fig. 3 is the operational flowchart that projecting method according to the present invention carries out in lossless compress of carrying out full frame tableaux and projection process.
As shown in Figure 3, for full frame tableaux, owing to wherein there is not dynamic menu, after receiving the data flow that will play of input, analysis part 1021 directly sends to tableaux coded portion 1022 with the static data of importing and compresses with harmless compress mode.Transmit the tableaux content of compression then with lower renewal rate, and carry out projection by the projection end.
In computer end, at step S31, user's control command is given control section 1025 in the processing unit 102 by the control interface unit 104 of computer end, and perhaps the control information of sending by the projecting apparatus end sends control section 1025 in the processing unit 102 to by network interface unit 103.
At step S32, in processing unit 102, the still image that analysis part 1021 directly will need to transmit sends tableaux coded portion 1022 to, carries out lossless compression-encoding, for example, and huffman coding etc.Then, at step S33, the data transaction after the tableaux coded portion will be encoded becomes the network can data packets for transmission.At step S34, by wired or wireless network packet is sent to the projection end by means of network interface unit 103.Because it is not too high that the real-time that still image shows requires, can hang down the frame per second transmission, with the effective saving network bandwidth.
In projection process, control section 1025 judges whether the projection of tableaux finishes, if do not finish, then shows that according to static state hanging down frame rate carries out timing, with the operating process of control projection always.
At the projection end, at step S37, the projection end receives on network constantly that computer end sends needs the data presented bag, after network interface unit 103 is received packet, be sent to processing unit 202, tableaux decoded portion 2024 in step S38 projection end processing unit 202 is decoded into the still image that can show at the projecting apparatus end then, and sends it to projection display unit 201 at step S39 and show.
Fig. 4 be projecting method according to the present invention the compress mode of utilizing high compression ratio compress and the process of transmission and projection dynamic menu in the flow chart that carries out.
Shown in (A) among Fig. 4, in computer end, at step S41, the control interface unit 104 of user's control command by computer end sends the control section 1025 in the processing unit 102 to, and perhaps the control information of sending by the projecting apparatus end sends control section 1025 in the processing unit 102 to by network interface unit 103.
Then, at step S42, the dynamic menu that the analytic unit 1021 in the processing unit 102 will need to transmit directly sends dynamic menu coded portion 1023 to, and carries out the compressed encoding of high compression ratio at there.At step S43, dynamic menu coded portion 1023 becomes the network can data packets for transmission the data transaction behind the compressed encoding, delivers to projection end by means of network interface unit 103 by wired or wireless network at step S44 then.For dynamic display frame, need high frame per second transmission, to guarantee the fluency of display frame.
In projection process, control section 1025 judges whether the projection of dynamic menu finishes, if do not finish, then carries out timing according to the high frame rate of dynamic demonstration always, with the operating process of control projection.
At the projection end, at step S47, the network interface unit of projection end 203 receives on network constantly that computer end sends needs the data presented bag.After network interface unit 203 is received packet, at step S48, be sent to the dynamic menu decoded portion 2024 in the processing unit 202, and be decoded into can be in projecting apparatus end dynamic images displayed.Sending decoded dynamic image to projection display unit 201 then shows.
What Fig. 5 described is, when utilizing certain video player to play full frame video pictures for computer end, directly by certain network transmission protocol (as HTTP or Real-time Transport Protocol) will need the Streaming Media play by Network Transmission to the projection end, at the decode example of broadcast of projecting apparatus end.Method described in Fig. 5 can avoid carrying out in computer end the video coding of special consumption calculations resource, and only need be by the broadcast stationary problem of transmission of certain mechanism (for example passing through timestamp method) Control Network and projection end.
At step S51, the control section 1025 of processing unit 102 obtains the timestamp of media play.Then,, this timestamp information is sent to buffer portion 1024, be used to send synchronous correction at step S52.Then, control section 1025 sends to the projection end to carry out synchronous correction by network interface unit 103 with timestamp information.Certainly this synchronous correction information only needs to send out once to the projecting apparatus end at regular intervals, and lower frame per second regularly, and is synchronous with what guarantee to play.At step S54, control section 1025 judges in projection process whether projection operation finishes, if do not finish, carries out timing with lower frame rate always, sends synchronizing information to the projection end.
In computer end, the Streaming Media transmission also needs to utilize timestamp to proofread and correct media information.In this case, the 1025 control analysis parts 1021 of the control unit in step S511 processing unit 102 will need by procotol be sent to projecting apparatus etc. media file to be played put into buffer portion 1024 by dynamic menu coded portion 1023.Then, at step S512, the control section 1025 in the processing unit 102 utilizes timestamp to proofread and correct the media delivery file, and at step S513 this stream medium data is sent to the projecting apparatus end by network interface unit 103.
At the projection end, at step S56, the network interface unit of projection end 203 receives on network constantly that computer end sends needs the data presented bag.After network interface unit 103 is received packet,, the packet of receiving is sent to buffer portion 2021 in the processing unit 202 at step S57.The control section 2025 of the processing unit 202 of projection end extracts the data that part 2022 is extracted the buffer portion 2021 according to the timestamp information order that receives from computer end, and will with the timestamp of the dynamic menu of tableaux mapping, carry out synchronous correction with tableaux.At step S59, utilizing dynamic menu decoded portion 2024 and tableaux decoded portion 2023 to be decoded into can be at the media data of projection display unit 201 demonstrations then.At last, at step S510, decoded media data is sent to projection display unit 201 show.
And only taking the part window of screen for video playback on the computer screen, the literal that other windows are still static or the displaying contents of form window have provided a handling process according to method Fig. 6 of the present invention.
Fig. 6 describes is computer end handling process in the transmission projection of dynamic static hybrid picture.As shown in Figure 6, at step S61, the analysis part 1021 in the processing unit 102 by screen-picture the analysis of sound attitude or the window management interface by operating system obtain dynamic play broadcast window information, comprising position, size or the like.
Then, the control section 1025 in the processing unit 102 sends this sound attitude window information to the projection end by network interface unit 103.For the still image part, at step S62, tableaux coded portion 1022 carries out lossless compression-encoding and converts network to can data packets for transmission, and at step S63 by network interface unit 103 with data packet transmission to the projection end.
Then, for dynamic menu, at step S64, control section 1025 in the processing unit 102 obtains the timestamp of media play by analysis part 1021, and timestamp information is sent to network interface unit 103 at step S65, be used to send synchronous correction, also timestamp information sent to the projection end at step S66 simultaneously, be used for the synchronous correction of projection end.
At step S67, judge whether the image broadcast window changes.When the broadcast window of dynamic image changed, flow process was returned step S61, and the control section 1025 in the processing unit 102 need obtain the dynamic play window information again.If do not change, then judge at step S68 whether projection finishes.If projection does not finish,,,, can hang down the frame per second transmission, thereby effectively save the network bandwidth because the requirement of the real-time of its demonstration is not too high right for still image then at step S69.
In computer end, the Streaming Media transmission also needs to utilize timestamp to proofread and correct media information.In this case, at step S610, processing unit 102 will need by procotol be sent to projecting apparatus etc. media file to be played put into buffer portion 1024.Then, at step S611, the control section 1025 in the processing unit 102 utilizes timestamp to come media delivery file in the correction buffer part 1024, that is, and and the correction that the timestamp and the tableaux mapping of dynamic menu is used for the projection end.And after proofreading and correct,, the data in this Streaming Media transfer files are sent to the projection end by network interface unit 103 at step S612.At step S613, judge whether projection finishes, if do not finish, flow process forwards step S611 to, the step above repeating.
Fig. 7 describes is projection end handling process in the transmission projection of dynamic static hybrid picture.
As shown in Figure 7, at step S71, the network interface unit of projection end 203 receives on network constantly that computer end sends needs the data presented bag.After network interface unit 203 is received packet, send it to buffer portion 2021 in the processing unit 102 at step S72.Then,, extract part 2022 under the control of control section 2025, obtain sound attitude window information from buffering part 2021, and give projection display unit 201 via dynamic menu decoded portion 2024 at step S73.Simultaneously, at step S74, control section 2025 control is extracted parts 2022 and is extracted dynamic video data according to timestamp from buffering part 2021, and will with the timestamp of the dynamic menu of tableaux mapping, carry out synchronous correction with tableaux.
Then, at step S75, dynamic menu decoded portion 2024 is decoded to the dynamic video data that extracts extracting section as required, being decoded into can be at the media data of projecting apparatus end demonstration, and send this media data to projection display unit 201 at step S76, be shown in the dynamic window.
Simultaneously, at step S77, judge whether still image upgrades, when still image need upgrade, at step S78, control section 2025 controls in the processing unit 102 were extracted part 2022 and extract static data from buffering parts 2021.Then, at step S79,2023 pairs of tableaux decoded portion are extracted the static data of part 2022 extractions and are decoded, and at step S710 decoded data are sent to projection display unit 201, it is shown to static window.
According to the abovementioned embodiments of the present invention, dynamic menu on the screen and tableaux are handled respectively, tableaux partly presses low distortion even harmless fully compression method is handled, but be to upgrade with extremely low frame per second, because of its content changes slowly, do not need high frame per second to pursue dynamic effect.
For the dynamic menu part, it is video playback part window, then not carrying out the compressed encoding of video handles, but obtain the window's position, the size information of its broadcast by certain means, the source video stream file is directly sent to the projection end by procotol, and the timestamp of play content sent to the projection end simultaneously, make content that the projection end can controls playing make the picture synchronization of itself and computer screen.
Computer end is issued the projection end with the position dimension information of tableaux and dynamic menu, and the projection end is according to this information, makes up according to the resolution of himself Projection Display, shows according to the size positions of or same ratio identical with computer screen.
In computer end, the resolution of sound attitude window and location (analysis) have following several mode.
1, the sound attitude analysis folder by screen-picture obtains dynamic window
For some picture edge variation and situation slowly thereof, as big sky background, can utilize a special of short duration video frequency program, before beginning, formal content play pilots, in order to obtain the accurate dynamic window data.This process of piloting can be placed on the backstage carries out, in order to avoid normal display frame produces interference for computer.
When player window changes, (amplify, dwindle or drag), need reorientate dynamic window.
2, obtain the dynamic play window of player by the window management interface of operating system
With the windows system is example, and player also is that the form with window is presented on the screen, by the analysis to the window information of Windows system, can access the display window of player.
When the broadcast window that does not carry out played in full screen and player only accounts for whole player window a part of, can obtain broadcast window information in conjunction with above-mentioned method 1, and part beyond the player frame is handled as tableaux.
Can also utilize the window analysis instrument that player window is analyzed, obtain which subregion and belong to the play content zone, which belongs to the windows window portion is supplementarys such as player frame.The advantage of utilizing the method for window analysis device to compare with method 1 is to save amount of calculation.
3, the interface that provides by player is located dynamic window
Directly call the data-interface of player, obtain the size positions information positional information of broadcast window (or go out) of its broadcast window by other information calculations that it provides.
There are a plurality of players simultaneously for computer screen, when playing when carrying out a plurality of video, can handle, the broadcast window information of a plurality of players is provided respectively, and respectively the video flowing of playing is sent to projecting apparatus with reference to this method.
For the situation that the dynamic window part is covered by static window, computer end can be passed through the window analysis device, and coverage information is provided, and the projecting apparatus end recovers the covering combined situation of sound attitude according to coverage information.
To FLASH etc. is not video flowing and the form that requires certain display frame rate, can be according to the processing mode of static window, and improve and handle frame per second and make the animation requirement of satisfying FLASH.Along with the enhancing of projection end disposal ability,, then can adopt the previously described processing method identical with dynamic video for FLASH if the projection end can directly be handled the data of FLASH form.
The above; only be the embodiment among the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with the people of this technology in the disclosed technical scope of the present invention; the conversion that can expect easily or replacement all should be encompassed in of the present invention comprising within the scope.Therefore, protection scope of the present invention should be as the criterion with the protection range of claims.
Claims (20)
1, a kind of projecting method that carries out in the optical projection system that comprises projection information transmitting terminal and projection end comprises step:
At described projection information transmitting terminal, projection information is analyzed, to produce tableaux information and dynamic menu information;
Described tableaux information and dynamic menu information are sent to described projection end as data;
At described projection end, from described tableaux information of extracting data and the dynamic menu information that receives; And
Described tableaux information and dynamic menu information are presented in separately the window; With
Before sending described dynamic menu information, the timestamp and the tableaux of described dynamic menu shone upon the correction that is used for the projection end
2, projecting method as claimed in claim 1 is characterized in that, also comprises step:
Before sending described tableaux information, described tableaux information is hanged down that decrease or harmless coding.
3, projecting method as claimed in claim 2 is characterized in that, also comprises step:
Before projection, described tableaux information is decoded.
4, projecting method as claimed in claim 1 is characterized in that, also comprises step:
At described projection end, before beginning dynamic menu projection, will with the timestamp of the described dynamic menu of described tableaux mapping, carry out synchronous correction with described tableaux.
5, projecting method as claimed in claim 1 is characterized in that, described tableaux information is carried out timing with low frame per second.
6, projecting method as claimed in claim 1 is characterized in that, described dynamic menu information is carried out timing with high frame rate.
7, projecting method as claimed in claim 1 is characterized in that, described projection information transmitting terminal is to be connected by wired or wireless mode with described projection end.
8, projecting method as claimed in claim 1 is characterized in that, the zone of variation as dynamic window, will be hanged down as static window in the zone of High variation on the screen on the screen.
9, projecting method as claimed in claim 1 is characterized in that, the window management interface by operating system obtains the dynamic play window of player, as dynamic window, and remaining part on the screen as static window.
10, projecting method as claimed in claim 1 is characterized in that, locatees dynamic window by the interface that player provides, and remaining part on the screen as static window.
11, a kind of optical projection system that comprises projection information transmitting terminal and projection end,
Described projection information transmitting terminal comprises:
First processing unit is used for projection information is analyzed, to produce tableaux information and dynamic menu information;
Dispensing device sends to the projection end with described tableaux information and dynamic menu information as data;
Described projection end comprises:
Second processing unit is from described tableaux information of extracting data and the dynamic menu information that receives;
Projection display equipment is used for described tableaux information and dynamic menu information are presented at separately window; With
Described first processing unit comprises:
Analysis part is used to analyze the projection information of input, to export described tableaux information and dynamic menu information;
The tableaux coded portion hangs down damage or lossless coding to described tableaux information, and is formed for the data that network sends;
The dynamic menu coded portion is formed for the data that network sends with described dynamic menu information;
First control section, the control analysis part, and according to timestamp information described dynamic menu information is proofreaied and correct;
Described second processing unit comprises:
Extract part, from described dynamic menu information of extracting data and the tableaux information that receives;
The tableaux decoded portion is decoded to described tableaux information, and the tableaux information of decoding is sent to described projection display equipment;
The dynamic menu decoded portion is decoded to described dynamic menu information, and the dynamic menu information of decoding is sent to described projection display equipment;
Second control section is used to control described extraction part.
12, optical projection system as claimed in claim 11 is characterized in that
Described projection information transmitting terminal also comprises:
The first control interface device receives the order that the user sends, and according to the transfer of data between this order control and the described projection end;
First Network Interface Unit is used for being used for being connected of message transmission with described projection end foundation;
Described projection end also comprises:
The second control interface device receives the order that user or described projection end send, and orders according to this and to control projection operation;
Second Network Interface Unit is used for being used for being connected of message transmission with described projection information transmitting terminal foundation.
13, optical projection system as claimed in claim 11 is characterized in that,
Described first processing unit also comprises first buffer portion, is used to cushion the data that send from described dynamic menu decoded portion, be made of described dynamic menu information;
Described second processing unit also comprises second buffer portion, is used to cushion the data of reception.
14, optical projection system as claimed in claim 13 is characterized in that, described first control section shines upon the correction that is used for the projection end with the timestamp and the tableaux of described dynamic menu.
15, projecting method as claimed in claim 14 is characterized in that, at described projection end, before beginning dynamic menu projection, will with the timestamp of the described dynamic menu of described tableaux mapping, carry out synchronous correction with described tableaux.
16, optical projection system as claimed in claim 13 is characterized in that, described first control section stabs information by first Network Interface Unit to described projection end transmitting time.
17, optical projection system as claimed in claim 11 is characterized in that, described projection information transmitting terminal is to be connected by wired or wireless mode with described projection end.
18, optical projection system as claimed in claim 11 is characterized in that, described analysis part as dynamic window, will hang down the zone of variation to the zone of High variation on the screen as static window on the screen.
19, optical projection system as claimed in claim 11 is characterized in that, the window management interface of described analysis part by operating system obtains the dynamic play window of player, as dynamic window, and remaining part on the screen as static window.
20, optical projection system as claimed in claim 11 is characterized in that, described analysis part is located dynamic window by the interface that player provides, and remaining part on the screen as static window.
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| CN 200510109320 CN100473163C (en) | 2005-10-13 | 2005-10-13 | Method and system for projecting dynamic static hybrid picture |
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| CN 200510109320 CN100473163C (en) | 2005-10-13 | 2005-10-13 | Method and system for projecting dynamic static hybrid picture |
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| JP6286841B2 (en) * | 2013-03-18 | 2018-03-07 | セイコーエプソン株式会社 | Projector and control method |
| CN104102464A (en) * | 2013-04-02 | 2014-10-15 | 万战斌 | Video information processing method, display system and video playing method |
| JP2016039557A (en) * | 2014-08-08 | 2016-03-22 | 株式会社リコー | Projector, projection system, and projection method |
| CN106375841B (en) * | 2015-07-23 | 2020-02-11 | 阿里巴巴集团控股有限公司 | Wireless screen projection data processing method, wireless screen projection data processing device, wireless screen projection video data display method, wireless screen projection video data display device and electronic equipment |
| CN107046606B (en) * | 2016-02-06 | 2019-03-12 | 株式会社理光 | Picture transmitter device, image real-time display system and image real-time display method |
| CN107368269B (en) * | 2016-05-11 | 2019-03-26 | 北京京东尚科信息技术有限公司 | Transmit the methods, devices and systems of screen picture |
| CN109246433B (en) * | 2018-09-26 | 2020-09-11 | 北京红云融通技术有限公司 | Video encoding method and device, decoding method and device and video transmission system |
| CN112162459B (en) * | 2020-11-06 | 2021-04-27 | 广州悦享软件科技有限公司 | Double-layer water mist projection method and device based on split type intelligent wearable equipment |
| CN114694545B (en) * | 2020-12-30 | 2023-11-24 | 成都极米科技股份有限公司 | Image display method, device, projector and storage medium |
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