CN104281427B - Video data handling procedure and system in interactive application - Google Patents
Video data handling procedure and system in interactive application Download PDFInfo
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- CN104281427B CN104281427B CN201410086079.4A CN201410086079A CN104281427B CN 104281427 B CN104281427 B CN 104281427B CN 201410086079 A CN201410086079 A CN 201410086079A CN 104281427 B CN104281427 B CN 104281427B
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1415—Digital output to display device ; Cooperation and interconnection of the display device with other functional units with means for detecting differences between the image stored in the host and the images displayed on the displays
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/147—Digital output to display device ; Cooperation and interconnection of the display device with other functional units using display panels
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/39—Control of the bit-mapped memory
- G09G5/391—Resolution modifying circuits, e.g. variable screen formats
Abstract
The present invention provides the video data handling procedure and system in a kind of interactive application.The described method includes：Obtain the screen resolution parameter of video receiver；The screen resolution depth-width ratio of video receiver is calculated according to the screen resolution parameter；The video data to be passed for transporting to the video receiver is handled according to the screen resolution depth-width ratio；The video data after the processing is transmitted to the video receiver.The system comprises：Parameter acquisition module, for obtaining the screen resolution parameter of video receiver；Computing module, for the screen resolution depth-width ratio of video receiver to be calculated according to the screen resolution parameter；Processing module, for handling the video data to be passed for transporting to the video receiver according to the screen resolution depth-width ratio；Transport module, for the video data after the video receiver transmission process.The display screen resolution of mobile device display screen is adapted to using dynamic of the present invention, improves adaptive ability.
Description
Technical field
The present invention relates to Computer Applied Technology, more particularly to the video data handling procedure in a kind of interactive application and
System.
Background technology
With the popularization and development of various mobile equipment, information, amusement and the social communication that people are carried out are not
Text information is contented just to, but spreads to the various MultiMedia Fields such as voice, video.Realize that multimedia is handed in interactive application
In mutual process, participating in both sides will carry out carrying out video data in respective mobile equipment according to the resolution ratio of default
Display.
But due to moving the diversity of display screen in equipment, carry out the display screen of the participation both sides of multimedia interactive
Resolution ratio is not quite similar, therefore, the full screen display of video data in a mobile device will likely occur display picture produce frame,
Due to be stretched to full screen display and caused by aspect ratio distortion and wait situation than full screen display, various movements can not be adapted to
The display screen resolution of device display screen.
The content of the invention
Based on this, it is necessary to for the display screen that various mobile device display screens can not be adapted to during multimedia interactive
The technical problem of resolution ratio, there is provided a kind of dynamic adapts to the display screen resolution of mobile device display screen, improves certainly
Video data handling procedure in the interactive application of adaptability.
The display screen resolution that a kind of dynamic adapts to mobile device display screen is provided in addition, there is a need to, is improved
Video data processing system in the interactive application of adaptive ability.
A kind of video data handling procedure in interactive application, includes the following steps：
The screen resolution parameter of video receiver is obtained, the screen resolution parameter includes screen display height and screen
Curtain display width；
The screen resolution that video receiver is obtained according to screen display height and screen display width calculation is high wide
Than；
The video size for the video data for being transmitted to the video receiver is treated according to the screen resolution depth-width ratio
Cut, including obtain the Video coding resolution ratio specified, according to the Video coding resolution ratio specified and the screen
The wide code distinguishability for comparing the video data of high resolution is adjusted；
The video data after the cutting is transmitted to the video receiver.
A kind of video data processing system in interactive application, including：
Parameter acquisition module, for obtaining the screen resolution parameter of video receiver, the screen resolution parameter bag
Include screen display height and screen display width；
Computing module, for obtaining the screen of video receiver according to screen display height and screen display width calculation
Curtain resolution ratio depth-width ratio；
Module is cut, the video counts of the video receiver are transmitted to for being treated according to the screen resolution depth-width ratio
According to video size cut, including obtain the Video coding resolution ratio specified, differentiated according to the Video coding specified
Rate and the screen resolution depth-width ratio are adjusted the code distinguishability of the video data；
Transport module, for the video data after being cut to video receiver transmission.
Video data handling procedure in above-mentioned interactive application, when carrying out multimedia interactive, video sending end regards acquisition
The screen resolution parameter of frequency receiving terminal, the screen that video receiver is calculated according to the screen resolution parameter of acquisition are differentiated
Rate depth-width ratio, to handle the video data to be passed for transporting to video receiver according to screen resolution depth-width ratio, in order to cause to pass
The data transported in video receiver are the screen resolution match parameters with video receiver, so that multimedia is handed over
Various video datas during mutually are capable of the display screen resolution of mobile device display screen where dynamically adapting, greatly carry
High adaptive ability.
Brief description of the drawings
Fig. 1 is the flow chart of the video data handling procedure in interactive application in one embodiment；
Fig. 2 is the side for the screen resolution height ratio that video receiver is calculated in Fig. 1 according to screen resolution parameter
Method flow chart；
Fig. 3 is the method for handling the video data to be passed for transporting to video receiver in Fig. 1 according to screen resolution depth-width ratio
Flow chart；
Fig. 4 is the coding according to the Video coding resolution ratio and screen resolution depth-width ratio specified to video data in Fig. 3
The method flow diagram that resolution ratio is adjusted；
Fig. 5 is the structure diagram of the video data processing system in interactive application in one embodiment；
Fig. 6 is the structure diagram of computing module in Fig. 5；
Fig. 7 is the structure diagram of processing module in Fig. 5；
Fig. 8 is the structure diagram of adjustment unit in Fig. 7.
Embodiment
As shown in Figure 1, in one embodiment, the video data handling procedure in a kind of interactive application, including following step
Suddenly：
Step S10, obtains the screen resolution parameter of video receiver.
In the present embodiment, video receiver receives the one of video data when being and carrying out multimedia interactive using interactive application
End, correspondingly, video sending end sends one end of video data, video hair when being and carrying out multimedia interactive using interactive application
Sending end and video receiver realize the multimedia interactive between both ends as the both sides for participating in multimedia interactive.
Video sending end will obtain the screen resolution parameter of video receiver, which, which will indicate, regards
The display screen resolution of mobile equipment where frequency receiving terminal.
Step S30, the screen resolution depth-width ratio of video receiver is calculated according to screen resolution parameter.
In the present embodiment, the calculating of screen resolution depth-width ratio is carried out according to the screen resolution parameter of video receiver,
The screen resolution depth-width ratio will reflect the display picture size of screen in video receiver, be adapted to screen resolution height
The video data side of wide ratio can be normally displayed in the screen of video receiver.
Step S50, the video data to be passed for transporting to video receiver is handled according to screen resolution depth-width ratio.
In the present embodiment, treat being transmitted to the video data of video receiver and shown according to screen resolution depth-width ratio
The adjustment of picture size so that video data and video receiver screen in a mobile device display picture size phase
Symbol, and then improper display of the video data in video receiver is avoided the occurrence of, for example, avoiding video data in video reception
There is the situation of dark border on the picture periphery that the display picture at end fails to occupy whole screen and occur, avoids to video pictures
The influence of sense organ.
Further, treat and be transmitted to the processing that the video data of video receiver is carried out and will avoid to video data
In the display picture stretching that video receiver is carried out so that the situation of picture display distortion no longer occurs.
Step S70, the video data to after video receiver transmission process.
In the present embodiment, the video data after processing is transmitted to video receiver by video sending end, so that regarding
The video pictures being consistent with its display picture size are shown in the screen of mobile equipment where frequency receiving terminal, realize video reception
Multimedia interactive between end and video sending end.
In one embodiment, the detailed process of above-mentioned steps S10 is：Receive and regarded by what the control server logged in was sent
The screen resolution parameter of frequency receiving terminal, the screen resolution parameter report to what video receiver was logged in by video receiver
Control in server.
In the present embodiment, to realize multimedia interactive, video sending end and video receiver are first logged into control and taken
It is engaged in device, to carry out between connection and video receiver and control server between video sending end and control server
Connection.
Video sending end and video receiver will report corresponding after control server is logged on to control server
Hardware information, i.e. screen resolution parameter.Correspondingly, video sending end carry out video data transmission before will receive by
Control the screen resolution parameter of the video receiver of server transmission.
As shown in Fig. 2, in one embodiment, above-mentioned steps S30 includes：
Step S310, extracts from screen resolution parameter and obtains the screen display height and screen display of video receiver
Width.
In the present embodiment, screen resolution parameter includes the screen display of video receiver highly and screen display is wide
Degree.
Step S330, video receiver is obtained by the screen display height and screen display width calculation of video receiver
Screen resolution depth-width ratio.
In the present embodiment, the screen display height and screen display width of video receiver are calculated to obtain video
The screen resolution depth-width ratio of receiving terminal, i.e. srcRatioHW=srcHeight*100/srcWidth, wherein, srcRatioHW
For screen resolution depth-width ratio, srcHeight is screen display height, srcWidth screen display width.
As shown in figure 3, in one embodiment, above-mentioned steps S50 includes：
Step S510, obtains the Video coding resolution ratio specified.
In the present embodiment, video sending end can be acquired the Video coding resolution ratio specified by control server, this is regarded
Frequency code distinguishability be with current video data corresponding to.
Step S530, the coding point according to specified Video coding resolution ratio and screen resolution depth-width ratio to video data
Resolution is adjusted.
In the present embodiment, differentiated according to the Video coding that specified Video coding resolution ratio and screen resolution determine to specify
Magnitude relationship between rate and screen resolution, and then the tune of the code distinguishability according to this magnitude relationship progress video data
It is whole.
As shown in figure 4, in one embodiment, the detailed process of above-mentioned steps S530 is：
Step S531, the first of video data is calculated according to specified Video coding resolution ratio and screen resolution depth-width ratio
Adjusting parameter.
In the present embodiment, calculated by specified Video coding resolution ratio and screen resolution depth-width ratio, i.e.,
DstHeight=encodeWidth*srcRatioHW/100, wherein, dstHeight is the first adjusting parameter of video data,
EncodeWidth is the width parameter in the Video coding resolution ratio specified.
Step S533, according between the first adjusting parameter and the first adjusting parameter and the Video coding resolution ratio specified
Magnitude relationship cuts video data.
In one embodiment, before above-mentioned steps S533, step S530 is further included：
Judge whether to treat to be transmitted to according to specified Video coding resolution ratio and the first adjusting parameter being calculated and regard
The adjustment of the video data triggering code distinguishability of frequency receiving terminal, if it has, then S533 is entered step, if it has not, then terminating.
In the present embodiment, the height parameter in the Video coding resolution ratio for judging to specify is joined with the first adjustment being calculated
Whether number is equal, if it has, then the screen of the Video coding resolution ratio and video receiver specified by explanation control server has
There is identical the ratio of width to height, into the adjustment of the code distinguishability without carrying out video data.
Further determine that the height parameter in the mutual unequal Video coding resolution ratio specified and be calculated
The first adjusting parameter between be more than or less than relation, that is, judge whether the first adjusting parameter for being calculated is more than and specify
Video coding resolution ratio in height parameter, if it has, then the Video coding resolution ratio institute that explanation control server is specified is right
The width answered is greater than the width of the on-screen displays of video receiver, therefore, by the width of video data according to second
Adjusting parameter is cut, the width of the video data after the as cutting of second adjustment parameter, i.e. dstWith=
encodeHeight*100/srcRatioHW。
When determining the height parameter that the first adjusting parameter for being calculated is less than in the Video coding resolution ratio specified, say
The height corresponding to Video coding resolution ratio that bright control server is specified is greater than the on-screen displays of video receiver
Highly, therefore, the height of video data will be cut according to the first adjusting parameter.
By process as described above, video receiver will be caused to be able to carry out in the case where ensureing the precondition of image quality
Full frame display all over the screen, in addition, cropped video data is not involved in encoding and decoding and transmission process, substantially increases processing effect
Rate, effectively reduces transmission bandwidth.
As shown in figure 5, in one embodiment, the video data processing system in a kind of interactive application, including parameter obtain
Modulus block 10, computing module 30, processing module 50 and transport module 70.
Parameter acquisition module 10, for obtaining the screen resolution parameter of video receiver.
In the present embodiment, video receiver receives the one of video data when being and carrying out multimedia interactive using interactive application
End, correspondingly, video sending end sends one end of video data, video hair when being and carrying out multimedia interactive using interactive application
Sending end and video receiver realize the multimedia interactive between both ends as the both sides for participating in multimedia interactive.
Parameter acquisition module 10 in video sending end will obtain the screen resolution parameter of video receiver, the screen point
The display screen resolution of mobile equipment where resolution parameter will indicate video receiver.
Computing module 30, the screen resolution for video receiver to be calculated according to screen resolution parameter are high wide
Than.
In the present embodiment, computing module 30 carries out the high width of screen resolution according to the screen resolution parameter of video receiver
The calculating of ratio, the screen resolution depth-width ratio will reflect the display picture size of screen in video receiver, be adapted to the screen
The video data side of curtain resolution ratio depth-width ratio can be normally displayed in the screen of video receiver.
Processing module 50, for handling the video data to be passed for transporting to video receiver according to screen resolution depth-width ratio.
In the present embodiment, processing module 50 treats the video counts for being transmitted to video receiver according to screen resolution depth-width ratio
According to the adjustment for carrying out display picture size so that video data and video receiver screen in a mobile device display picture
Face size is consistent, and then avoids the occurrence of improper display of the video data in video receiver, exists for example, avoiding video data
There is the situation of dark border on the picture periphery that the display picture of video receiver fails to occupy whole screen and occur, avoids pair
The influence of video pictures sense organ.
Further, processing module 50, which is treated, is transmitted to the processing that the video data of video receiver is carried out and will avoid
Video data is stretched in the display picture that video receiver is carried out, the situation of picture display distortion no longer occurs.
Transport module 70, for the video data after video receiver transmission process.
In the present embodiment, the video data after processing is transmitted to video receiver by transport module 70 by video sending end,
So that showing the video pictures being consistent with its display picture size in the screen of mobile equipment where video receiver, realize
Multimedia interactive between video receiver and video sending end.
In one embodiment, above-mentioned parameter acquisition module 10 is additionally operable to receive and is regarded by what the control server logged in was sent
The screen resolution parameter of frequency receiving terminal, the screen resolution parameter report to what video receiver was logged in by video receiver
Control in server.
In the present embodiment, to realize multimedia interactive, video sending end and video receiver are first logged into control and taken
It is engaged in device, to carry out between connection and video receiver and control server between video sending end and control server
Connection.
Video sending end and video receiver will report corresponding after control server is logged on to control server
Hardware information, i.e. screen resolution parameter.Correspondingly, the parameter acquisition module 10 in video sending end is carrying out video data
The screen resolution parameter of the video receiver sent by control server will be received before transmission.
As shown in fig. 6, in one embodiment, above-mentioned computing module 30 includes extraction unit 310 and depth-width ratio calculates list
Member 330.
Extraction unit 310, for from screen resolution parameter extraction obtain video receiver screen display height and
Screen display width.
In the present embodiment, screen resolution parameter includes the screen display of video receiver highly and screen display is wide
Degree.
Depth-width ratio computing unit 330, obtains for the screen display scheduling by video receiver and screen display width calculation
To the screen resolution depth-width ratio of video receiver.
In the present embodiment, screen display height and screen display width of the depth-width ratio computing unit 330 to video receiver
Calculated to obtain the screen resolution depth-width ratio of video receiver, i.e. srcRatioHW=srcHeight*100/
SrcWidth, wherein, srcRatioHW is screen resolution depth-width ratio, and srcHeight is screen display height, srcWidth screens
Curtain display width.
As shown in fig. 7, in one embodiment, above-mentioned processing module 50 includes resolution ratio acquiring unit 510 and adjustment is single
Member 530.
Resolution ratio acquiring unit 510, for obtaining the Video coding resolution ratio specified.
In the present embodiment, the resolution ratio acquiring unit 510 in video sending end can be acquired specified by control server
Video coding resolution ratio, the Video coding resolution ratio be with current video data corresponding to.
Adjustment unit 530, the Video coding resolution ratio and screen resolution depth-width ratio specified for basis are to video data
Code distinguishability be adjusted.
In the present embodiment, adjustment unit 530 determines what is specified according to the Video coding resolution ratio and screen resolution specified
Magnitude relationship between Video coding resolution ratio and screen resolution, and then according to the volume of this magnitude relationship progress video data
The adjustment of code distinguishability.
As shown in figure 8, in one embodiment, above-mentioned adjustment unit 530 includes adjusting parameter computing unit 531 and cuts
Unit 533.
Adjusting parameter computing unit 531, based on according to the Video coding resolution ratio and screen resolution depth-width ratio specified
Calculate the first adjusting parameter of video data.
In the present embodiment, adjusting parameter computing unit 531 is high wide by specified Video coding resolution ratio and screen resolution
Than being calculated, i.e. dstHeight=encodeWidth*srcRatioHW/100, wherein, dstHeight is video data
First adjusting parameter, encodeWidth are the width parameter in the Video coding resolution ratio specified.
Unit 533 is cut, for being differentiated according to the first adjusting parameter and the first adjusting parameter and the Video coding specified
Magnitude relationship between rate cuts video data.
In another embodiment, above-mentioned adjustment unit 530 further includes judging unit.The judging unit is used for according to specified
Video coding resolution ratio and the first adjusting parameter for being calculated judge whether to be transmitted to the video counts of video receiver to waiing upon
According to the adjustment of triggering code distinguishability, if it has, then notice cuts unit 533, if it has not, then stopping performing.
In the present embodiment, judging unit judge height parameter in the Video coding resolution ratio specified and be calculated the
Whether one adjusting parameter is equal, if it has, then Video coding resolution ratio and video receiver specified by explanation control server
Screen there is identical the ratio of width to height, into without carry out video data code distinguishability adjustment.
Judging unit further determine that height parameter in the mutual unequal Video coding resolution ratio specified and
It is more than or less than relation between the first adjusting parameter being calculated, that is, judges whether is the first adjusting parameter for being calculated
More than the height parameter in the Video coding resolution ratio specified, if it has, then the Video coding point that explanation control server is specified
Width corresponding to resolution is greater than the width of the on-screen displays of video receiver, and therefore, cutting unit 533 will be to video
The width of data is cut according to second adjustment parameter, and second adjustment parameter is the width of the video data after cutting, i.e.,
DstWith=encodeHeight*100/srcRatioHW.
Judging unit determines the height that the first adjusting parameter being calculated is less than in the Video coding resolution ratio specified
During parameter, illustrate to control the screen that the height corresponding to the Video coding resolution ratio specified of server is greater than video receiver to show
Show the height of picture, therefore, the height of video data will be cut according to the first adjusting parameter by cutting unit 533.
By process as described above, video receiver will be caused to be able to carry out in the case where ensureing the precondition of image quality
Full frame display all over the screen, in addition, cropped video data is not involved in encoding and decoding and transmission process, substantially increases processing effect
Rate, effectively reduces transmission bandwidth.
Embodiment described above only expresses the several embodiments of the present invention, its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (6)
1. the video data handling procedure in a kind of interactive application, includes the following steps：
The screen resolution parameter of video receiver is obtained, the screen resolution parameter includes screen display height and screen is shown
Show width；
The screen resolution depth-width ratio of video receiver is obtained according to screen display height and screen display width calculation；
The Video coding resolution ratio specified is obtained, it is high wide according to the Video coding resolution ratio specified and the screen resolution
Than the first adjusting parameter for calculating the video data, according to first adjusting parameter and first adjusting parameter and institute
The magnitude relationship stated between the Video coding resolution ratio specified cuts the video size of the video data；
The video data after the cutting is transmitted to the video receiver.
2. the according to the method described in claim 1, it is characterized in that, screen resolution parameter for obtaining video receiver
Step includes：
Receive the screen resolution parameter for the video receiver that the control server logged in by video receiver is sent, the screen
Curtain resolution parameter is reported to by the video receiver in the control server that the video receiver is logged in.
3. according to the method described in claim 1, it is characterized in that, the method further includes：
Judge whether to treat according to the Video coding resolution ratio specified and the first adjusting parameter being calculated and be transmitted to institute
The adjustment of the video data triggering code distinguishability of video receiver is stated, if it has, then into described according to the described first adjustment
Magnitude relationship between parameter and first adjusting parameter and the Video coding resolution ratio specified is to the video data
The step of video size is cut.
A kind of 4. video data processing system in interactive application, it is characterised in that including：
Parameter acquisition module, for obtaining the screen resolution parameter of video receiver, the screen resolution parameter includes screen
Curtain display height and screen display width；
Computing module, for obtaining the screen point of video receiver according to screen display height and screen display width calculation
Resolution depth-width ratio；
Module is cut, for obtaining the Video coding resolution ratio specified, according to the Video coding resolution ratio specified and described
Screen resolution depth-width ratio calculates the first adjusting parameter of the video data, according to first adjusting parameter and described the
Magnitude relationship between one adjusting parameter and the Video coding resolution ratio specified to the video size of the video data into
Row is cut；
Transport module, for the video data after being cut to video receiver transmission.
5. system according to claim 4, it is characterised in that the parameter acquisition module is additionally operable to receive by video reception
The screen resolution parameter for the video receiver that the logged in control server in end is sent, the screen resolution parameter is by described
Video receiver is reported in the control server that the video receiver is logged in.
6. system according to claim 4, it is characterised in that the cutting module further includes：
Judging unit, for being judged whether according to the Video coding resolution ratio specified and the first adjusting parameter being calculated
The adjustment for the video data triggering code distinguishability for being transmitted to the video receiver is treated, if it has, then into the basis
Magnitude relationship between first adjusting parameter and first adjusting parameter and the Video coding resolution ratio specified is to institute
State the step of video size of video data is cut.
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| CN103248947A (en) * | 2012-02-08 | 2013-08-14 | 海尔集团公司 | Video multiple screen sharing method and system for achieving same |
| CN102984494A (en) * | 2012-12-06 | 2013-03-20 | 北京小米科技有限责任公司 | Video communication method and device |
| CN103517137A (en) * | 2013-09-30 | 2014-01-15 | 广州华多网络科技有限公司 | Network video transmission method and system, sending/receiving end processing method and device |
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