CN103685981B - Video code transmission and distributed video encoding and decoding method and device - Google Patents
Video code transmission and distributed video encoding and decoding method and device Download PDFInfo
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Abstract
The invention discloses a video code transmission and distributed video encoding and decoding method and device. The method includes the steps: firstly, acquiring video codes; secondly, judging whether the acquired video codes are matched with preset conditions set according to output images expected by users or not; thirdly, transmitting the video codes matched with the preset conditions to a display end; finally, performing decoding display for the video codes. By the aid of the technology, the transmitted video codes are in one-to-one correspondence to output requirements of the display end, the use ratio of a display end decoder is effectively increased, requirements for the performance of the decoder are lowered, the images expected by the users are rapidly and accurately outputted, and the method is suitable for practical application.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of Video coding transmission and distributed video encoding and decoding side
Method, device.
Background technology
Show not in same local deployment to be suitable for signals collecting and signal, and may increase and decrease at any time, using distribution
It is more satisfactory solution that formula ground coding and decoding video is processed.Signal acquisition terminal quantity is typically more and shows much larger than signal
The quantity (magnanimity photographic head) at end, therefore it is required that signal display end can be shown to the greatest extent by the form of window in limited screen
The many signal acquisition terminal images of amount.
From above-mentioned workflow, in prior art when display end needs the signal showing multiple collection terminals, typically
It is that collection terminal sends multiple codings, display end receives multiple codings of collection terminal, is shown after decoding respectively.This process side
Formula, there is problems that the performance of display end decoder cannot meet ever-increasing window, typically will in addition quantity limit to solve
Certainly.
Content of the invention
Based on above-mentioned situation, the present invention proposes a kind of Video coding sending method, the corresponding display of Video coding of transmission
The output request at end, reduces the requirement to display end decoder capabilities.
To achieve these goals, the technical scheme is that
A kind of Video coding sending method, the method comprising the steps of:
Collection Video coding；
Judge whether gathered Video coding is mated with pre-conditioned；Described pre-conditioned according to user's desired output
Image is arranged；
Display end will be sent to the described pre-conditioned Video coding mating.
For prior art problem, the invention allows for a kind of distributed video decoding method, effectively improve decoding
The utilization rate of device, quickly and accurately exports the desired image of user.
Specific implementation is: a kind of distributed video decoding method, comprises the following steps:
Collection Video coding；
Judge whether gathered Video coding is mated with pre-conditioned, described pre-conditioned according to user's desired output
Image is arranged；
Display end will be sent to the described pre-conditioned Video coding mating；
Described Video coding is decoded show.
For prior art problem, the invention allows for a kind of Video coding dispensing device, quick transmission user's expectation
The Video coding of output, is user-friendly to.
Specific implementation is: a kind of Video coding dispensing device, and described device includes:
Configuration module, for providing pre-conditioned input interface；
Acquisition module, for gathering Video coding；
Matching module, whether the Video coding for judging gathered is mated with pre-conditioned；Described pre-conditioned basis
The image setting of user's desired output；
Communication module, for obtaining and the described pre-conditioned Video coding mating, is sent to display end.
For prior art problem, the invention allows for a kind of distributed video coding and decoding device, improve existing video
Encoding and decoding are limited to the problem of display end decoder capabilities, suitable practical application.
Specific implementation is: a kind of distributed video coding and decoding device, including collection terminal and display end, described collection terminal
Including:
Configuration module, for providing pre-conditioned input interface；
Acquisition module, for gathering Video coding；
Matching module, whether the Video coding for judging gathered is mated with pre-conditioned, described pre-conditioned basis
The image setting of user's desired output；
Communication module, for obtaining and the described pre-conditioned Video coding mating, is sent to display end；
Described display end includes:
Decoder module, for being decoded to described Video coding showing.
Compared with prior art, the invention has the benefit that Video coding of the present invention sends and distributed video compiles solution
Code method, device, first gather Video coding；Then judge whether gathered Video coding is mated with pre-conditioned, default bar
Part is arranged according to the image of user's desired output；Display end will be sent to the pre-conditioned Video coding mating；Finally to regarding
Frequency coding is decoded showing.After the technology of the present invention, the Video coding of transmission is corresponded with display end output demand,
Effectively improve the utilization rate of display end decoder, reduce the requirement to decoder capabilities, quickly and accurately output user is desired
Image, suitable practical application.
Brief description
Fig. 1 is the schematic flow sheet of Video coding sending method in an embodiment；
Fig. 2 is the schematic flow sheet of distributed video decoding method in an embodiment；
Fig. 3 is the distributed video encoding and decoding schematic diagram of a display end in an embodiment, two collection terminals；
Fig. 4 is the distributed video encoding and decoding schematic diagram of a display end in an embodiment, four collection terminals；
Fig. 5 is the structural representation of Video coding dispensing device in an embodiment；
Fig. 6 is the structural representation of distributed video coding and decoding device in an embodiment.
Specific embodiment
For making the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, to this
Invention is described in further detail.It should be appreciated that specific embodiment described herein is only in order to explain the present invention,
Do not limit protection scope of the present invention.
Video coding sending method in one embodiment, as shown in figure 1, methods described includes:
s101*: collection Video coding；
s102*: judge whether gathered Video coding is mated with pre-conditioned；Described pre-conditioned according to user's expectation
The image setting of output；
s103*: display end will be sent to the described pre-conditioned Video coding mating.
It is evidenced from the above discussion that, the image of the corresponding display end desired output of the Video coding that this method sends, reduces to aobvious
Show the requirement of end decoder capabilities.
As an embodiment, described pre-conditioned inclusion: need video window, window size and each video sending
The clipped position of window.
Distributed video decoding method in one embodiment, as shown in Figure 2, comprising:
Step s101: collection Video coding；
Step s102: judge whether gathered Video coding is mated with pre-conditioned, described pre-conditioned according to user
The image setting of desired output；
Step s103: display end will be sent to the described pre-conditioned Video coding mating；
Step s104: described Video coding is decoded show.
It is evidenced from the above discussion that, this method quickly and accurately exports the desired image of user, reduces to display end decoder
The requirement of performance.
As an embodiment, described pre-conditioned inclusion: need video window, window size and each video sending
The clipped position of window.
In order to more fully understand this method, the application example of two this method detailed below:
The distributed video encoding and decoding of a display end, two collection terminals in one embodiment, as shown in figure 3, display end
Need to decode two-path video coding, the output resolution ratio of display end is 1024x768, and the input resolution of two collection terminals is
1024x768, will reach display effect as shown in Figure 3, the way of employing is:
1st, the image of user's desired output, for the present embodiment, as shown in figure 3, i.e. video window a is placed on bottom surface, video
Window b is superimposed upon on video window a after reducing.
2nd, gather Video coding.
A) the display size according to each video window, draws the window size needing collection.
B) scan whether each video window has overlaying relation.If no, directly gathering；If having, go to c process.
C) according to the stacked relationship between each window and relative position, piecemeal is carried out to image, be divided into multiple less
Rectangular window.Partitioning scheme can have multiple, as long as the rectangular window of minimum number can be marked off.The present embodiment adopts
Dividing mode be: first process upper video window b, straight line determined with video window b top, extend up to toward left and right and
The left and right side of video window a is intersected, then determines straight line with two following coordinates of video window b, equally extends toward left and right
Until intersecting with the left and right side of video window a；Process successively up to bottom window.After such division, obtain a-1, a-
2nd, a-3, a-4 and b5 window.
3rd, judge whether gathered Video coding is mated with pre-conditioned.
A) analyze the information receiving, draw and zoom in and out the need of to input video.If desired scale, carry out corresponding
Downstream is delivered to, if need not scale that downstream is fed directly to after process.For the present embodiment, video window a-1, a-2, a-
3rd, a-4 need not scale, and video window b needs to scale, and narrows down to 200x300 from 1024x768.
B) the shearing attribute according to window, draws and carries out cutting the need of to input video.If desired cutting is then carried out
Downstream is delivered to, if being fed directly to downstream without cutting after corresponding process.Need not for the present embodiment video window b
Cutting, video window a-1, a-2, a-3, a-4 need cutting, and window a-1 cuts out 1024x300 from (0,0) position of video source
The region of size, window a-2 cuts out the region of 400x300 size from (0,300) position of video source, and window a-3 is from video
(600, the 300) position in source cuts out the region of 424x300 size, and window a-4 cuts out from (0,600) position of video source
The region of 1024x168 size.
4th, display end will be sent to the pre-conditioned Video coding mating, Video coding is decoded show.
Video window after processing is encoded, is then forwarded to display end, display end is decoded, obtained user's expectation defeated
The image going out.For the present embodiment, display end decodes 5 Video codings that two collection terminals send over respectively, then splices
A figure layer shows.
The distributed video encoding and decoding of a display end, four collection terminals in one embodiment, as shown in figure 4, include with
Lower step:
1st, the image of user's desired output, in the present embodiment video window a be placed on bottom, video window b on a upper strata,
Video window c is placed on top layer in the upper strata of b, video window d.
2nd, gather Video coding, need to gather video window a, b, c, d；Dividing mode according to video window carries out window
Segmentation, obtains these rectangular video windows of a1-12, b1-8, c1-2, d1-2
3rd, judge whether gathered Video coding is mated with pre-conditioned.
Collection terminal 1: video window a1-12 need not be scaled, but cutting process will be carried out, cut out from the diverse location of video source
Cut 12 rectangular windows.
Collection terminal 2: process is zoomed in and out to video window b1-8, zooms to b window size from signal source resolution；Enter again
Row cutting is processed, and cuts out 8 rectangular windows from the diverse location of video source.
Collection terminal 3: process is zoomed in and out to video window c1-2, zooms to c window size from signal source resolution；Enter again
Row cutting is processed, and cuts out 2 rectangular windows from the diverse location of video source.
Collection terminal 4: process is zoomed in and out to video window d1-2, zooms to d window size from signal source resolution；Enter again
Row cutting is processed, and cuts out 2 rectangular windows from the diverse location of video source.
4th, display end will be sent to the pre-conditioned Video coding mating, Video coding is decoded show.
Display end decodes after receiving the Video coding that 4 collection terminals send over respectively, and display end is according to each video
Position relationship is placed on decoded video in same figure layer, thus obtaining the desired complete image of user.
Video coding dispensing device in one embodiment, as shown in figure 5, described device includes:
Configuration module, for providing pre-conditioned input interface；
Acquisition module, for gathering Video coding；
Matching module, whether the Video coding for judging gathered is mated with pre-conditioned；Described pre-conditioned basis
The image setting of user's desired output；
Communication module, for obtaining and the described pre-conditioned Video coding mating, is sent to display end.
As shown in figure 5, a preferred embodiment of this device each module annexation is: configuration module and acquisition module
Outfan matching connection module input, matching module outfan connection communication module input.
Whether judge the Video coding of pre-conditioned and acquisition module collection in configuration module first in matching module
Coupling；Then communication module obtains and the pre-conditioned Video coding mating, and is sent to display end, and quick transmission user's expectation is defeated
The Video coding going out, is user-friendly to.
As an embodiment, described pre-conditioned inclusion: need video window, window size and each video sending
The clipped position of window.
Distributed video coding and decoding device in one embodiment, as shown in fig. 6, including collection terminal and display end, described adopts
Collection end includes:
Configuration module, for providing pre-conditioned input interface；
Acquisition module, for gathering Video coding；
Matching module, whether the Video coding for judging gathered is mated with pre-conditioned, described pre-conditioned basis
The image setting of user's desired output；
Communication module, for obtaining and the described pre-conditioned Video coding mating, is sent to display end；
Described display end includes:
Decoder module, for being decoded to described Video coding showing.
As shown in fig. 6, a preferred embodiment of this device each module annexation is: configuration module and acquisition module
Outfan matching connection module input, matching module, communication module and decoder module are linked in sequence successively.
Whether judge the Video coding of pre-conditioned and acquisition module collection in configuration module first in matching module
Coupling；Then communication module obtains and the pre-conditioned Video coding mating, and is sent to display end；Last decoder module is to video
Coding is decoded showing, improves the problem that existing coding and decoding video is limited to display end decoder capabilities, suitable practical application.
As an embodiment, described pre-conditioned inclusion: need video window, window size and each video sending
The clipped position of window.
Embodiment described above only have expressed the several embodiments of the present invention, and its description is more concrete and detailed, but simultaneously
Therefore the restriction to the scope of the claims of the present invention can not 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, some deformation can also be made and improve, these broadly fall into the guarantor of the present invention
Shield scope.Therefore, the protection domain of patent of the present invention should be defined by claims.
Claims (8)
1. a kind of Video coding sending method is it is characterised in that the method comprising the steps of:
Collection Video coding；
Judge whether gathered Video coding is mated with pre-conditioned；The described pre-conditioned image according to user's desired output
Setting；
Display end will be sent to the described pre-conditioned Video coding mating；
The mode of described collection Video coding includes:
A) the display size according to each video window, draws the window size needing collection；
B) scan whether each video window has overlaying relation, if no, directly gather；If having, go to c process；
C) according to the stacked relationship between each window and relative position, piecemeal is carried out to image, is divided into rectangular window.
2. Video coding sending method according to claim 1 is it is characterised in that described pre-conditioned inclusion: needs to send out
The clipped position of the video window, window size and each video window that send.
3. a kind of distributed video decoding method is it is characterised in that comprise the following steps:
Collection Video coding；
Judge whether gathered Video coding is mated with pre-conditioned, the described pre-conditioned image according to user's desired output
Setting；
Display end will be sent to the described pre-conditioned Video coding mating；
Described Video coding is decoded show；
The mode of described collection Video coding includes:
A) the display size according to each video window, draws the window size needing collection；
B) scan whether each video window has overlaying relation, if no, directly gather；If having, go to c process；
C) according to the stacked relationship between each window and relative position, piecemeal is carried out to image, is divided into rectangular window.
4. distributed video decoding method according to claim 3 is it is characterised in that described pre-conditioned inclusion: needs
The clipped position of video window, window size and each video window to be sent.
5. a kind of Video coding dispensing device is it is characterised in that described device includes:
Configuration module, for providing pre-conditioned input interface；
Acquisition module, for gathering Video coding；
Matching module, whether the Video coding for judging gathered is mated with pre-conditioned；Described pre-conditioned according to user
The image setting of desired output；
Communication module, for obtaining and the described pre-conditioned Video coding mating, is sent to display end；
Described acquisition module is used for:
A) the display size according to each video window, draws the window size needing collection；
B) scan whether each video window has overlaying relation, if no, directly gather；If having, go to c process；
C) according to the stacked relationship between each window and relative position, piecemeal is carried out to image, is divided into rectangular window.
6. Video coding dispensing device according to claim 5 is it is characterised in that described pre-conditioned inclusion: needs to send out
The clipped position of the video window, window size and each video window that send.
7. it is characterised in that including collection terminal and display end, described collection terminal includes a kind of distributed video coding and decoding device:
Configuration module, for providing pre-conditioned input interface；
Acquisition module, for gathering Video coding；
Matching module, for judging whether gathered Video coding is mated with pre-conditioned, described pre-conditioned according to user
The image setting of desired output；
Communication module, for obtaining and the described pre-conditioned Video coding mating, is sent to display end；
Described display end includes:
Decoder module, for being decoded to described Video coding showing；
Described acquisition module is used for:
A) the display size according to each video window, draws the window size needing collection；
B) scan whether each video window has overlaying relation, if no, directly gather；If having, go to c process；
C) according to the stacked relationship between each window and relative position, piecemeal is carried out to image, is divided into rectangular window.
8. distributed video coding and decoding device according to claim 7 is it is characterised in that described pre-conditioned inclusion: needs
The clipped position of video window, window size and each video window to be sent.
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| GB0230328D0 (en) * | 2002-12-31 | 2003-02-05 | British Telecomm | Video streaming |
| CN1805534A (en) * | 2005-01-12 | 2006-07-19 | 乐金电子(中国)研究开发中心有限公司 | Mobile telephone and method of displaying multiple video images |
| CN103118247B (en) * | 2013-02-22 | 2016-08-10 | 华为技术有限公司 | Video data handling procedure and device, video cascade system and chip |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001209677A (en) * | 2000-01-25 | 2001-08-03 | Saroute:Kk | New business system by network utilization |
| CN102025973A (en) * | 2010-12-17 | 2011-04-20 | 广东威创视讯科技股份有限公司 | Video synthesizing method and video synthesizing system |
| CN102547212A (en) * | 2011-12-13 | 2012-07-04 | 浙江元亨通信技术股份有限公司 | Splicing method of multiple paths of video images |
| CN102724433A (en) * | 2012-06-18 | 2012-10-10 | 深圳锐取信息技术股份有限公司 | Method and device for realizing multi-video signal image composition |
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