CN103763638A - Video resource obtaining method and device - Google Patents
Video resource obtaining method and device Download PDFInfo
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- CN103763638A CN103763638A CN201410032120.XA CN201410032120A CN103763638A CN 103763638 A CN103763638 A CN 103763638A CN 201410032120 A CN201410032120 A CN 201410032120A CN 103763638 A CN103763638 A CN 103763638A
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Abstract
The invention provides a video resource obtaining method and device. The method includes the steps that a browser obtains a hypertext markup language HTML code corresponding to a video resource to be downloaded, wherein the HTML code carries addresses of multiple video source servers, and the video source servers can provide video resources for the browser; the browser builds multiple network connections with the video source servers according to the addresses of the multiple video source servers; the browser obtains multiple video fragmentations of the video resource from the video source servers through the network connections; the browser plays the video resource after reconstructing the obtained video fragmentations. By means of the video resource obtaining method and device, the video fragmentations are obtained from the video source servers, the speed of the browser in obtaining the video resource is improved, and playing of the video resource is optimized to a certain degree.
Description
Technical field
The present invention relates to video on demand techniques, relate in particular to a kind of video resource acquisition methods and device.
Background technology
Along with the development of network technology, video on demand techniques is widely used.Video request program in correlation technique, can realize by plug-in unit or HTML (Hyper Text Markup Language is called for short HTML) 5.Wherein, plug-in part technology is widely used, but the mode of plug-in unit exists many problems.For example, in the page having designed, want on content that plug-in unit is shown and the page other elements integrated more difficult, because can cause, cut out and the problem such as transparency.What plug-in unit was used is the rending model carrying, with general network (Web) page use different, so when popup menu or other visualized elements and plug-in unit are when overlapping, implement more complicated.
HTML5 is for replacing the HTML4.01 that formulates for 1999 and the HTML Standard Edition of XHTML1.0 standard, HTML5 can directly use the mode control page layout of CSS (cascading style sheets, referred to as CSS) and Java descriptive language (JavaScript).And HTML5 provides new element support new function, the more important thing is the primary interaction capabilities having added between script and layout, overcome and adopted plug-in unit to carry out the defect of video playback.
But, for example, when adopting HTML technology (HTML5) to carry out video playback in correlation technique, the video source server address that browser carries by HTML5 code obtains corresponding video resource, due to the restriction because of factors such as video source server bandwidth, to affect browser and obtain the speed of video resource, poor user experience.
Summary of the invention
The present invention is directed to the defect of prior art, a kind of video resource acquisition methods and device are provided.
First aspect of the present invention provides a kind of video resource acquisition methods, comprising:
Browser obtains the HTML HTML code that video resource to be downloaded is corresponding, carries the address of multiple video source servers in described HTML code, and each video source server all can provide described video resource for described browser;
Described browser, according to the address of described multiple video source servers, is set up multiple networks with described multiple video source servers and is connected;
Described browser connects by described multiple networks, obtains respectively multiple video slicings of described video resource from described multiple video source servers;
Described browser is play described video resource after the described multiple video slicings that get are recombinated.
Another aspect of the present invention provides a kind of video resource acquisition device, comprising:
The first acquisition module, for obtaining the HTML HTML code that video resource to be downloaded is corresponding, carries the address of multiple video source servers in described HTML code, each video source server all can provide described video resource for described browser;
Set up module, for according to the address of described multiple video source servers, set up multiple networks with described multiple video source servers and be connected;
The second acquisition module for connecting by described multiple networks, obtains respectively multiple video slicings of described video resource from described multiple video source servers;
Playing module, after the described multiple video slicings that get are recombinated, plays described video resource.
Video resource acquisition methods provided by the invention and device, by obtaining video slicing from multiple video source servers, improved browser and obtained the speed of video resource, optimized to a certain extent the broadcasting of video resource.
Accompanying drawing explanation
Fig. 1 is the flow chart of video resource acquisition methods of the present invention;
Fig. 2 is the schematic diagram of the multi-link VOD method of the embodiment of the present invention based on websocket;
Fig. 3 is the structural representation of video resource acquisition device of the present invention.
Embodiment
Fig. 1 is the flow chart of video resource acquisition methods of the present invention, and as shown in Figure 1, the method for the present embodiment can comprise the steps:
Step S101, browser obtains the HTML HTML code that video resource to be downloaded is corresponding, carries the address of multiple video source servers in described HTML code, and each video source server all can provide described video resource for described browser;
In the embodiment of the present invention, user if desired watches some video resources by browser, can pass through the address of browser input video website, by clicking video resource link, watches.When browser gets after the information of the video resource that user will watch, first to video website request, be used for the address of the video source server of downloading this video resource, the address that video website can be carried video source server by returning to HTML5 code to browser.
The difference of the embodiment of the present invention and prior art is, in HTML5 code, can carry the address of multiple video source servers, be the address that video website is informed the multiple video source servers of browser simultaneously, each video source server all can provide needed video resource for browser.
Step S102, described browser, according to the address of described multiple video source servers, is set up multiple networks with described multiple video source servers and is connected;
Browser is receiving after HTML5 code, therefrom obtain the address of multiple video source servers, and can connect (Web socket) module by the web socket of self and simultaneously set up network with multiple video source servers and is connected, multiple networks of being set up to pass through connect the needed video resource of download.
Step S103, described browser connects by described multiple networks, obtains respectively multiple video slicings of described video resource from described multiple video source servers;
In the embodiment of the present invention, browser can be set up multiple networks with multiple video source servers and be connected simultaneously, therefore in order to improve speed of download, can from each video source server, download different video slicings respectively, specifically can determine to download which or which video slicing from which video source server by browser.
Step S104, described browser is play described video resource after the described multiple video slicings that get are recombinated.
Browser downloads to after all video slicings from each video source server, multiple video slicings can be recombinated, and to form a complete video resource work user, watches.
Pass through above-mentioned steps, browser can be according to the address of the multiple video source servers that carry in HTML code corresponding to the broadcasting network address of the video getting, and between multiple video source servers, setting up multiple websocket networks is connected, and obtain multiple video slicings from multiple video source servers, and play the video resource file that multiple video slicings are combined into.Because the embodiment of the present invention is to obtain video slicing from multiple video source servers, while having avoided the address of the video source server carrying according to HTML code in prior art to set up a network connecting to obtain video resource, because being subject to the restriction of this video source server bandwidth, cause the slow problem of speed of download, and owing to obtaining video slicing from multiple video source servers, improve the speed that browser obtains video resource, optimized to a certain extent the broadcasting of video content.
In force, browser can connect by multiple websocket as follows, obtain the burst of video: first browser can be divided into multiple video slicings by video resource to be downloaded, then this browser can be according to default balanced way, determine the video slicing that each video source server obtains from the plurality of video source server, finally, browser can obtain corresponding video slicing from each video source server.
For example: browser is divided into 8 video slicings by video resource to be downloaded, then according to default balanced way, determine and obtain these video slicings from 4 video source servers.For example: from video source server 1, obtain video slicing 1 and 5, from video source server 2, obtain video slicing 2,3 and 4, from video source server 3, obtain video slicing 6 and 8, from video source server 4, obtain video slicing 7.
In a kind of situation, this balanced way can, for what give tacit consent to, not carry this balanced way in the HTML code getting.In another kind of situation, this balanced way can be carried in HTML code, and this balanced way can comprise: according to following, one of at least determine the video slicing that each video source server obtains from described multiple video source servers: the number seeds of the situation that takies of the bandwidth of the performance of described browser, the network bandwidth, each video source server, the video source of each video source server.
Alternatively, browser can be divided into multiple bursts by video resource to be downloaded in the following way: browser is according to the duration of described video resource to be downloaded and playing sequence, determine original position, duration and the sequence identification of each video slicing, then this browser is divided into multiple video slicings according to the original position of each video slicing and duration by video resource.
After above-mentioned preferred implementation, this browser is recombinated multiple video slicings according to sequence sign corresponding to video slicing, and browser is play the video resource after restructuring.
Real-time bandwidth between browser and each video source server is constantly to change, in order to guarantee to obtain continuity and the promptness of video slicing, browser can be according to the real-time bandwidth between browser and multiple video source server, dynamically adjusts to the video slicing of multiple video source server institute acquisition request.
Fig. 2 is the schematic diagram of the multi-link VOD method of the embodiment of the present invention based on websocket, as shown in Figure 2, browser receives the network address of the video playback website of user's input, then to video playback website, send HTTP request, the address of the video source server of video resource to be downloaded can be provided with acquisition request.Video playback website is returned to HTML5 code to browser, carries the address of multiple websocket video source servers in this HTML5 code, and above-mentioned equilibrating mechanism; Browser is according to the address of the multiple video source servers in HTML5 code, and by the web socket module of self, setting up that browser is connected with the network of each video source server is that websocket connects.With after the setting up websocket and be connected of each video source server, browser carries out burst to video resource to be downloaded automatically by scheduler module, and to the different video slicing of different video source server requests.Carry out when burst is processed considering the factors such as the size of video slicing and sequence.Browser is downloaded after corresponding video slicing from multiple video source servers, plays after being reassembled into complete video file.Alternatively, according to and different video server between the variation of real-time bandwidth, dynamic regulating video burst is in the request of different video source server, for guaranteeing continuity and the promptness of video playback.
Above in each embodiment, it is can concrete example as follows that HTML5 code carries the address of multiple video source servers, and HTML5 code is:
<meta name=" websocketapplication-task " content=" name=websocket video source server; Action=connecting; AutoLoadbancance
url=http://websocket.vidoesource1.com
url=http://websocket.vidoesource2.com/>
Based on identical inventive concept, corresponding to said method embodiment, the present embodiment also provides a kind of video resource acquisition device, for realizing above-mentioned video resource acquisition methods.
Fig. 3 is the structural representation of video resource acquisition device of the present invention, this device comprises the first acquisition module 31, sets up module 32, the second acquisition module 33 and playing module 34, wherein, the first acquisition module 31 is for obtaining the HTML HTML code that video resource to be downloaded is corresponding, in described HTML code, carry the address of multiple video source servers, each video source server all can provide described video resource for described browser; Set up module 32 for according to the address of described multiple video source servers, set up multiple networks with described multiple video source servers and be connected; The second acquisition module 33, for connecting by described multiple networks, obtains respectively multiple video slicings of described video resource from described multiple video source servers; Playing module 34, for after the described multiple video slicings that get are recombinated, is play described video resource.
Further, the second acquisition module 33 comprises the first division unit, for described video resource is divided into multiple video slicings; The first determining unit, for according to default balanced way, determines the video slicing that each video source server obtains from described multiple video source servers; And acquiring unit, for obtaining respectively corresponding video slicing from each video source server.
In said apparatus embodiment, described balanced way is carried in described HTML code; Described balanced way comprises: according to following, one of at least determine the video slicing that each video source server obtains from described multiple video source servers: the number seeds of the situation that takies of the bandwidth of the performance of described browser, the network bandwidth, each video source server, the video source of each video source server.
In said apparatus embodiment, the first division unit 31 can comprise the second determining unit, for according to the duration of described video resource and playing sequence, determines original position and duration and the sequence sign of each video slicing; The second division unit, for being divided into multiple video slicings according to the original position of described each video slicing and duration by described video resource.Further, playing module 34 can comprise assembled unit, for described multiple video slicings being recombinated according to sequence sign corresponding to described video slicing; Broadcast unit, for playing restructuring rear video resource.。
In said apparatus embodiment, this device can also comprise adjusting module, for according to the real-time bandwidth between described browser and described multiple video source server, dynamically adjusts to the video slicing of described multiple video source server institute acquisition request.
The invention provides device embodiment and can obtain flow process specifically for carrying out above-mentioned each video resource, its concrete function can, referring to the description of said method, repeat no more herein.Said apparatus can be arranged in user's browser, according to the address of the multiple video source servers that carry in HTML code corresponding to the broadcasting network address of the video getting, and between multiple video source servers, setting up multiple websocket networks is connected, and obtain multiple video slicings from multiple video source servers, and play the video resource file that multiple video slicings are combined into.Because the embodiment of the present invention is to obtain video slicing from multiple video source servers, while having avoided the address of the video source server carrying according to HTML code in prior art to set up a network connecting to obtain video resource, because being subject to the restriction of this video source server bandwidth, cause the slow problem of speed of download, and owing to obtaining video slicing from multiple video source servers, improve the speed that browser obtains video resource, optimized to a certain extent the broadcasting of video content.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can complete by the relevant hardware of program command.Aforesaid program can be stored in a computer read/write memory medium.This program, when carrying out, is carried out the step that comprises above-mentioned each embodiment of the method; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: above each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a video resource acquisition methods, is characterized in that, comprising:
Browser obtains the HTML HTML code that video resource to be downloaded is corresponding, carries the address of multiple video source servers in described HTML code, and each video source server all can provide described video resource for described browser;
Described browser, according to the address of described multiple video source servers, is set up multiple networks with described multiple video source servers and is connected;
Described browser connects by described multiple networks, obtains respectively multiple video slicings of described video resource from described multiple video source servers;
Described browser is play described video resource after the described multiple video slicings that get are recombinated.
2. method according to claim 1, is characterized in that, described browser connects by described multiple networks, and the multiple video slicings that obtain respectively described video resource from described multiple video source servers comprise:
Described browser is divided into multiple video slicings by described video resource;
Described browser, according to default balanced way, is determined the video slicing that each video source server obtains from described multiple video source servers;
Described browser obtains respectively corresponding video slicing from each video source server.
3. method according to claim 2, is characterized in that, described balanced way is carried in described HTML code; Described balanced way comprises: according to following, one of at least determine the video slicing that each video source server obtains from described multiple video source servers: the number seeds of the situation that takies of the bandwidth of the performance of described browser, the network bandwidth, each video source server, the video source of each video source server.
4. method according to claim 1, is characterized in that, described browser is divided into multiple video slicings by described video resource and comprises:
Described browser, according to the duration of described video resource and playing sequence, is determined original position and duration and the sequence sign of each video slicing;
Described browser is divided into multiple video slicings according to the original position of described each video slicing and duration by described video resource.
5. method according to claim 4, is characterized in that, described browser is play described video resource and comprised after the described multiple video slicings that get are recombinated:
Described browser is recombinated to described multiple video slicings according to sequence sign corresponding to described video slicing; Described browser is play restructuring rear video resource.
6. a video resource acquisition device, is characterized in that, comprising:
The first acquisition module, for obtaining the HTML HTML code that video resource to be downloaded is corresponding, carries the address of multiple video source servers in described HTML code, each video source server all can provide described video resource for described browser;
Set up module, for according to the address of described multiple video source servers, set up multiple networks with described multiple video source servers and be connected;
The second acquisition module for connecting by described multiple networks, obtains respectively multiple video slicings of described video resource from described multiple video source servers;
Playing module, after the described multiple video slicings that get are recombinated, plays described video resource.
7. device according to claim 6, is characterized in that, described the second acquisition module comprises:
The first division unit, for being divided into multiple video slicings by described video resource;
The first determining unit, for according to default balanced way, determines the video slicing that each video source server obtains from described multiple video source servers;
Acquiring unit, for obtaining respectively corresponding video slicing from each video source server.
8. device according to claim 7, is characterized in that, described balanced way is carried in described HTML code; Described balanced way comprises: according to following, one of at least determine the video slicing that each video source server obtains from described multiple video source servers: the number seeds of the situation that takies of the bandwidth of the performance of described browser, the network bandwidth, each video source server, the video source of each video source server.
9. device according to claim 6, is characterized in that, described the first division unit comprises:
The second determining unit, for according to the duration of described video resource and playing sequence, determines original position and duration and the sequence sign of each video slicing;
The second division unit, for being divided into multiple video slicings according to the original position of described each video slicing and duration by described video resource.
10. device according to claim 9, is characterized in that, described playing module comprises:
Assembled unit, for recombinating to described multiple video slicings according to sequence sign corresponding to described video slicing;
Broadcast unit, for playing restructuring rear video resource.
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