CN104080014B - A kind of real time video processing method and apparatus - Google Patents
A kind of real time video processing method and apparatus Download PDFInfo
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- CN104080014B CN104080014B CN201310106900.XA CN201310106900A CN104080014B CN 104080014 B CN104080014 B CN 104080014B CN 201310106900 A CN201310106900 A CN 201310106900A CN 104080014 B CN104080014 B CN 104080014B
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Abstract
The invention discloses a kind of real time video processing method and apparatus, method and steps：Real time video data is obtained by the video capture device being attached thereto, real time video data, which is carried out coding, generates video stream file；Video stream file is divided into several video flowing segments by defined timeslice；The video processing request that the browser of client is sent is received, video processing request includes video ID corresponding with real time video data, video preview or the initial position of broadcasting；Video processing request is responded, at least two video push channels are established with the browser of client；Several video flowing segments are alternately pushed to the browser of client by least two video push channels.Advantageous effect：By the way that at least two video push channels are arranged in server and Web client, alternately push segmentation real time video data is formed by video flowing segment so that Web client browser is not influenced when playing video flowing segment by analysis time, is played smooth.
Description
Technical field
The present invention relates to technical field of video processing more particularly to a kind of real time video processing method and apparatus.
Background technology
With the networking of video monitoring, formed using Web client as video monitoring interactive interface inevitable
Development trend.And in the prior art, it carries out sound usually using user data datagram protocol UDP (User Datagram Protocol) and regards
The transmission of frequency file, therefore Web client can only realize that sound regards by installing card format (such as Adobe flash plug-in units)
The broadcasting of frequency file, or the audio-video document asked from server or reality are played after Web client installs specific software
When video data, this makes video surveillance network be very restricted.Such as when user utilizes non-individual calculus outside
Machine preview or the monitor video for playing company, then must first install specific software on that computer.
With the release of HTML5 specifications, this phenomenon is changed.After the technology of HTML5, browser can disobey
External plug-in is relied to realize that audio and video Broadcast Control, vector graphics are drawn, local information preserves inquiry etc..But due to HTML5 specifications
Itself streaming media is not supported, in order to make played audio and video look like " real-time ", " continuous ", audio-video source
It needs to be divided into multiple file video clips when playing, and is continuously pushed to Web client, in the clear of Web client
Device of looking at needs first to analyze first video clip to be played afterwards, then to second video clip analysis, broadcasting, is carried out successively；
And influenced by the analysis time of each video clip, real-time playing process will appear slack phenomenon.
Invention content
The object of the present invention is to provide a kind of real time video processing method and apparatus, to solve in client in the prior art
Meeting the browser of HTML5 specifications, slack problem is more specifically to solve existing skill to real-time video preview or when playing
Because being influenced by the analysis time of each video clip in art, real-time playing process is caused to will appear slack problem.
The purpose of the present invention is what is be achieved through the following technical solutions：
The embodiment of the present invention provides a kind of real time video processing method, and steps are as follows：
Real time video data is obtained by the video capture device being attached thereto, real time video data is subjected to coding generation
Video stream file；
The video stream file is split into several video flowing segments by defined timeslice；
The video processing request that the browser of client is sent is received, the video processing request includes being regarded in real time with described
Frequency is according to corresponding video ID, video preview or the initial position of broadcasting；
The video processing request is responded, at least two video push channels are established with the browser of the client；
Several video flowing segments are alternately pushed into the client by least two video push channels
Browser.
Preferably, it after the video stream file being split into several video flowing segments by defined timeslice, also wraps
It includes：
Index file is established according to several video flowing segments, the index file is for searching and positioning the video
Flow section.
Preferably, the video processing request is responded, at least two video push are established with the browser of the client
Channel specifically includes：
To the browser pushing video display window of the client, the video display window calls the client
The embedded video decoder of browser；
At least two video push channels are established with the video display window.
Preferably, several video flowing segments are alternately pushed to by least two video push channels described
The browser of client, specifically includes：
The corresponding index file is called according to the video ID, and according to the preview or the starting of broadcasting
Index file described in location lookup, the corresponding video flowing segment in initial position to position the preview or broadcasting；
By at least two video push channels, by the corresponding video in the initial position of the preview or broadcasting
Flow section starts alternately to push the corresponding video flowing in initial position of the preview or broadcasting to the video display window
Segment and the subsequent video flowing segment.
Preferably, it pushes the video flowing segment through previous video channel and pushes the video flowing with through latter video channel
The time interval of segment is less than or equal to the timeslice when segmentation of the video flowing segment.
Preferably, the browser is Googe browsers, and the video decoder is for Ogg Theora, V8 or H.264；
Alternatively,
The browser is IE9 browsers, H.264 the video decoder is；Alternatively,
Browser is Opera, Mozilla or Chrome browser, and the video decoder is VP8.
The embodiment of the present invention has the beneficial effect that：By the way that at least two video push are arranged in server and Web client
Channel alternately pushes segmentation real time video data and is formed by video flowing segment so that Web client browser is playing video
It when flow section, is not influenced, is played smooth by analysis time.
The embodiment of the present invention provides a kind of real time video data processing unit, including：
Coding unit obtains real time video data, by real-time video number for the video capture device by being attached thereto
Video stream file is generated according to coding is carried out, and the video stream file is sent to video flowing cutting unit；
The video flowing cutting unit, the video stream file sent for receiving the coding unit, by defined
The video stream file is divided into several video flowing segments by timeslice；
Video handles request reception unit, and the video that the browser for receiving client is sent handles request, described to regard
Frequency processing request includes video ID corresponding with the real time video data, video preview or the initial position of broadcasting；
Video handles request-response unit, for responding the video processing request, is built with the browser of the client
Vertical at least two video push channels；
Video flowing segment push unit, for passing through at least two video push channels by several video flows
Section alternately pushes to the browser of the client.
Preferably, further include index file generation unit, for establishing index file according to several video flowing segments,
The index file is for searching and positioning the video flowing segment.
Preferably, the video handles request-response unit, is specifically used for the browser pushing video to the client
Display window, the video decoder that the video display window calls the browser of the client embedded；
And establish at least two video push channels with the video display window.
Preferably, the video flowing segment push unit is specifically used for calling corresponding institute according to the video ID
Index file is stated, and the index file is searched according to the initial position of the preview or broadcasting, to position the preview
Or the corresponding video flowing segment in initial position played；
By at least two video push channels, by the corresponding video in the initial position of the preview or broadcasting
Flow section starts alternately to push the corresponding video flowing in initial position of the preview or broadcasting to the video display window
Segment and the subsequent video flowing segment.
The embodiment of the present invention has the beneficial effect that：By the way that at least two video push are arranged in server and Web client
Channel alternately pushes segmentation real time video data and is formed by video flowing segment so that Web client browser is playing video
It when flow section, is not influenced, is played smooth by analysis time.
Description of the drawings
Fig. 1 is the flow chart of one the method for the embodiment of the present invention；
Fig. 2 is each period schematic diagram that real-time video plays in two the method for the embodiment of the present invention；
Fig. 3 is each period schematic diagram that real-time video plays in three the method for the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of four described device of the embodiment of the present invention.
Specific implementation mode
The realization process of the embodiment of the present invention is described in detail with reference to the accompanying drawings of the specification.
The embodiment of the present invention one provides a kind of real time video processing method, as shown in Figure 1, steps are as follows：
Step S101 obtains real time video data by the video capture device that is attached thereto, by real time video data into
Row coding generates video stream file.
Video stream file is split into several video flowing segments by step S102 by defined timeslice.
Step S103, receive client browser send video processing request, video processing request include in real time
The corresponding video ID of video data, video preview or the initial position of broadcasting.
Step S104, response video processing request, at least two video push channels are established with the browser of client.
Several video flowing segments are alternately pushed to the clear of client by step S105 by least two video push channels
Look at device.
Preferably, after step S102, index file is established also according to several video flowing segments, index file is for searching
And positioning video flow section.
Index file can be m3u8 formats commonly used in the trade, can also be according to the setting of client, and use is more privately owned
Index file format, this does not become the limitation of the present invention.
Preferably, step S104 is specifically included：To the browser pushing video display window of client, video display window
The video decoder for calling the browser of client embedded；At least two video push channels are established with video display window.
Preferably, step S105 is specifically included：Corresponding index file is called according to video ID, and according to preview
Or index file, the corresponding video flowing segment in initial position to position preview or broadcasting are searched in the initial position played；
By at least two video push channels, handed over by the corresponding video flowing segment in the initial position of preview or broadcasting
For pushing the corresponding video flowing segment in initial position and the subsequent video flowing segment of preview or broadcasting to video display window.
Herein it should be noted that being based on the purpose of the present invention, on the basis of at least two video push channels,
We need to optimize at least two video push channels, and previous video is pushed away with latter video push channel in pushing video stream
Time interval when segment.Preferably, through the previous latter video channel pushing videos of video channel pushing video flow Duan Yujing
The time interval of flow section is less than or equal to the timeslice when segmentation of video flowing segment, and the really timeslice is also video flowing
The reproduction time of segment, this also means that after the completion of the push of previous video channel, Web client browser is playing previous regard
When the video flowing segment of frequency channel push, Web client browser has abundance to the video flowing segment that latter video channel pushes
The parsing time.
Based on the browser problem compatible with decoder, it is preferred that browser is Googe browsers, and video decoder is
Ogg Theora, V8 or H.264；Alternatively,
Browser is IE9 browsers, H.264 video decoder is；Alternatively,
Browser is Opera, Mozilla or Chrome browser, video decoder VP8.
It should be noted that usually to the encoded video stream file of real time video data temporally piece segmentation after, depending on
The format of frequency flow section can be identical with the format of video stream file；It is of course also possible to be turned into row format according to different needs
It changes.In the present invention, due to there are many client browsers based on HTML5, for different client browsers, the present invention
Scheme in the format of video stream file that can use it is corresponding with client browser, with the hair of client browser technology
Exhibition, the format for the video stream file that can be supported can also accordingly increase, and therefore, above video stream file format is not made
For the restriction of the present invention program, it is intended merely to be illustrated.
The embodiment of the present invention has the beneficial effect that：By the way that at least two video push are arranged in server and Web client
Channel alternately pushes segmentation real time video data and is formed by video flowing segment so that Web client browser is playing video
It when flow section, is not influenced, is played smooth by analysis time.
The embodiment of the present invention two is illustrated by taking the performance in the case of two video push channels as an example, such as Fig. 2
It is shown, herein it is considered that parsing the video flowing segment with client browser at the time of server end pushing video flow section
Moment is synchronization, i.e. the video flowing segment of server push reaches client browser immediately.Certainly this is perfect condition
Under, it is also possible to server push time lengthening is caused due to Network status.In order to clearly describe the process, in conjunction with clothes
The video push channel of business device and client browser are real into playing process to illustrate, we can have following understanding according to fig. 2：
tAFor time, time tAAs client browser to parsing time of the video flowing segment of server push,
Ideally, time tAAll parsing time, at this time server channels be in off working state；In server push
In the case that video flowing segment is postponed, time tAIn some time be used for waiting for server push；tVTo broadcast
It puts the time, i.e., client browser plays the video flow of a certain video push channel (such as first video push channel) push
Section, the video push channel of server is in off working state at this time；tDFor the stand-by period, the actually time is server
One of the off working state in channel (such as first video push channel) continuity, wherein tV=tD+tA.Step is such as
Under：
Step 1: after server pushes first video flowing segment of completion by the first video push channel, client
Browser corresponds to the first video flowing segment that the first video push channel pushes, and there are one time tA, i.e. client browser
To the parsing time of the first video flowing segment.
Step 2: client browser starts to play the video flowing segment.
Step 3: during client browser plays the video flowing segment, server passes through the second video push channel
Second video flowing segment is pushed, push at the time of is as shown in Figure 2.
Step 4: client browser has parsed second video flowing segment and has terminated time tAAfterwards, client is clear
Device of looking at just plays first video flowing segment, and client browser then continues to play second video flowing segment.At this time
One video channel carries out stand-by period tD。
Above step is repeated, the broadcasting of the push of several video clips is sequentially completed.
The embodiment of the present invention three is illustrated by taking the performance in the case of two video push channels as an example, such as Fig. 3
It is shown, herein it is considered that parsing the video flowing segment with client browser at the time of server end pushing video flow section
Moment is synchronization.Wherein tAFor time, tVFor reproduction time, tDFor the stand-by period.Steps are as follows：
Step 1: after server pushes first video flowing segment of completion by the first video push channel, client
Browser corresponds to the first video flowing segment that the first video push channel pushes, and there are one time tA, i.e. client browser
To the parsing time of the first video flowing segment.
Step 2: client browser starts to play the video flowing segment.
Step 3: during client browser plays the video flowing segment, server passes through the second video push channel
Second video flowing segment is pushed, push at the time of is as shown in Figure 3.
Step 4: client browser has parsed second video flowing segment and has terminated time tAAfterwards, client is clear
Device of looking at just plays first video flowing segment, and client browser then continues to play second video flowing segment.At this time
One video channel is without stand-by period tD.But be directly prepared the time, i.e. the push of third video flowing segment, accordingly
Client browser third video flowing segment is parsed.
Above step is repeated, the broadcasting of the push of several video clips is sequentially completed.
By embodiment two or embodiment three, server replaces pushing video flow section by two video channels, makes client
Browser has the sufficient each video flowing segment of time resolution, is withouted waiting for when playing, and overcomes and plays slack ask
Topic.
The embodiment of the present invention four provides a kind of real time video data processing unit, as shown in figure 4, including：
Coding unit 401 obtains real time video data, by real-time video for the video capture device by being attached thereto
Data carry out coding and generate video stream file, and video stream file is sent to video flowing cutting unit；
Video flowing cutting unit 402, the video stream file for receiving coding unit transmission, will be regarded by defined timeslice
Frequency stream file is divided into several video flowing segments；
Video handles request reception unit 403, and the video that the browser for receiving client is sent handles request, video
Processing request includes video ID corresponding with real time video data, video preview or the initial position of broadcasting；
Video handles request-response unit 404, for responding video processing request, is established at least with the browser of client
Two video push channels；
Video flowing segment push unit 405, for being handed over several video flowing segments by least two video push channels
For pushing to the browser of client.
Preferably, further include index file generation unit 406, for establishing index file according to several video flowing segments,
Index file is for lookup and positioning video flow section.
Preferably, video handles request-response unit 404, is specifically used for the browser pushing video display window to client
Mouthful, the video decoder that video display window calls the browser of client embedded；
And establish at least two video push channels with video display window.
Preferably, video flowing segment push unit 405 is specifically used for calling corresponding index text according to video ID
Part, and index file is searched according to the initial position of preview or broadcasting, the initial position to position preview or broadcasting corresponds to
Video flowing segment；
By at least two video push channels, handed over by the corresponding video flowing segment in the initial position of preview or broadcasting
For pushing the corresponding video flowing segment in initial position and the subsequent video flowing segment of preview or broadcasting to video display window.
The embodiment of the present invention has the beneficial effect that：Pass through, realizes by being arranged at least two in server and Web client
Video push channel alternately pushes segmentation real time video data and is formed by video flowing segment so that Web client browser exists
It when playing video flowing segment, is not influenced, is played smooth by analysis time.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of real time video processing method, which is characterized in that steps are as follows：
Real time video data is obtained by the video capture device being connect with coding unit, real time video data is subjected to coding life
At video stream file；
The video stream file is split into several video flowing segments by defined timeslice；
The video processing request that the browser of client is sent is received, the video processing request includes and the real-time video number
According to corresponding video ID, video preview or the initial position of broadcasting；
The video processing request is responded, at least two video push channels are established with the browser of the client；
Several video flowing segments are alternately pushed into the clear of the client by least two video push channels
Look at device.
2. the method as described in claim 1, which is characterized in that be split the video stream file by defined timeslice
After several video flowing segments, further include：
Index file is established according to several video flowing segments, the index file is for searching and positioning the video flow
Section.
3. method as claimed in claim 2, which is characterized in that the video processing request is responded, it is clear with the client
Device of looking at establishes at least two video push channels, specifically includes：
To the browser pushing video display window of the client, the video display window calls the browsing of the client
The embedded video decoder of device；
At least two video push channels are established with the video display window.
4. method as claimed in claim 3, which is characterized in that will be several described by least two video push channels
Video flowing segment alternately pushes to the browser of the client, specifically includes：
The corresponding index file, and the initial position according to the preview or broadcasting are called according to the video ID
The index file is searched, the corresponding video flowing segment in the initial position to position the preview or broadcasting；
By at least two video push channels, by the corresponding video flow in the initial position of the preview or broadcasting
Section starts alternately to push the corresponding video flowing segment in initial position of the preview or broadcasting to the video display window
And the subsequent video flowing segment.
5. method as claimed in claim 4, which is characterized in that push the video flowing segment through previous video channel and after
It is described when one video channel pushes the time interval of the video flowing segment less than or equal to the segmentation of the video flowing segment
Timeslice.
6. such as claim 3 to 5 any one of them method, which is characterized in that the browser is Google browsers, described
Video decoder is for Ogg Theora, V8 or H.264；Alternatively,
The browser is IE9 browsers, H.264 the video decoder is；Alternatively,
Browser is Opera, Mozilla or Chrome browser, and the video decoder is VP8.
7. a kind of real time video data processing unit, which is characterized in that including：
Coding unit, for obtaining real time video data by the video capture device that is attached thereto, by real time video data into
Row coding generates video stream file, and the video stream file is sent to video flowing cutting unit；
The video flowing cutting unit, the video stream file sent for receiving the coding unit, by the defined time
The video stream file is divided into several video flowing segments by piece；
Video handles request reception unit, and the video that the browser for receiving client is sent, which is handled, asks, at the video
Reason request includes video ID corresponding with the real time video data, video preview or the initial position of broadcasting；
Video handles request-response unit, for responding video processing request, with the browser of the client establish to
Few two video push channels；
Video flowing segment push unit, for being handed over several video flowing segments by least two video push channels
For pushing to the browser of the client.
8. device as claimed in claim 7, which is characterized in that further include index file generation unit, for according to several institutes
It states video flowing segment and establishes index file, the index file is for searching and positioning the video flowing segment.
9. device as claimed in claim 8, which is characterized in that the video handles request-response unit, is specifically used for institute
The browser pushing video display window of client is stated, the video display window calls the browser of the client to embed
Video decoder；
And establish at least two video push channels with the video display window.
10. device as claimed in claim 9, which is characterized in that the video flowing segment push unit is specifically used for according to institute
It states video ID and calls the corresponding index file, and the rope is searched according to the initial position of the preview or broadcasting
Quotation part, the corresponding video flowing segment in initial position to position the preview or broadcasting；
By at least two video push channels, by the corresponding video flow in the initial position of the preview or broadcasting
Section starts alternately to push the corresponding video flowing segment in initial position of the preview or broadcasting to the video display window
And the subsequent video flowing segment.
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| EP3255819A1 (en) * | 2016-06-08 | 2017-12-13 | Nokia Solutions and Networks Oy | Reducing timing uncertainty |
| CN107707966B (en) * | 2016-08-08 | 2021-01-22 | 大唐软件技术股份有限公司 | Multimedia data playing method and device |
| CN109218839B (en) * | 2017-07-07 | 2021-09-03 | 杭州海康威视数字技术股份有限公司 | Video playing method and device |
| CN107786877B (en) * | 2017-10-20 | 2020-07-03 | 北京奇艺世纪科技有限公司 | Method and device for previewing video |
| WO2020048268A1 (en) * | 2018-09-05 | 2020-03-12 | 北京开广信息技术有限公司 | Real-time transmitting method and real-time receiving method for media stream, server, and client |
| CN113542889A (en) * | 2021-07-09 | 2021-10-22 | 珠海云迈网络科技有限公司 | List video playing method and device, computer equipment and storage medium thereof |
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