CN102487375A - Method, device and system for downloading videos online - Google Patents
Method, device and system for downloading videos online Download PDFInfo
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- CN102487375A CN102487375A CN2010105681523A CN201010568152A CN102487375A CN 102487375 A CN102487375 A CN 102487375A CN 2010105681523 A CN2010105681523 A CN 2010105681523A CN 201010568152 A CN201010568152 A CN 201010568152A CN 102487375 A CN102487375 A CN 102487375A
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Abstract
The invention is applied to the communication field and provides a method, a device and a system for downloading videos online. The method comprises the following steps that: a downloading client sends a downloading address query request to a downloading link server, wherein the downloading address query request comprises the content information and the specification information of a video; the downloading link server inquires a video server accordant with the downloading address query request and returns the inquired video server to the downloading client; the downloading client sends a video downloading request to the video server, wherein the video downloading request comprises the content information and the specification information of the video; and the video server acquires the video accordant with the video downloading request and transmits the acquired video to the downloading client. The transcoded video is downloaded online through the embodiment of the invention, so a client can directly download the video accordant with requirements without a large amount of time and energy spent on transformation for the specification of the video.
Description
Technical field
The invention belongs to the communications field, relate in particular to a kind of methods, devices and systems of online foradownloaded video.
Background technology
Watch video to become the custom of people's life through mobile device.In the prior art, watch the step of video to be through mobile device: 1, video to be downloaded in the computer; 2, convert video to be fit to mobile device form and resolution video on computers; 3, the video copy after will changing is to mobile device.
Prior art needs the video code conversion to downloading voluntarily, and transcoding is the process of a complicacy very consuming time.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of methods, devices and systems of online foradownloaded video, is intended to solve transcoding complicated problems consuming time voluntarily.
The embodiment of the invention is achieved in that a kind of method of online foradownloaded video, said method comprising the steps of:
Download client is sent the download address query requests to downloading linked server, and said download address query requests comprises the content information of video and the specification information of video;
The download link server lookup meets the video server of said download address query requests, and the video server that inquires is back to download client;
Download client is sent the video download request to video server, and said video download request comprises the content information of video and the specification information of video;
Video server obtains the video that meets said video download request, and with the video transmission of obtaining to download client.
Another purpose of the embodiment of the invention is to provide a kind of method of online foradownloaded video, said method comprising the steps of:
Send the download address query requests to downloading linked server, said download address query requests comprises the content information of video and the specification information of video;
To downloading the video server transmission video download request that linked server returns, said video download request comprises the content information of video and the specification information of video;
The video that meets said video download request that the receiver, video server sends.
Another purpose of the embodiment of the invention is to provide a kind of method of online foradownloaded video, said method comprising the steps of:
Receive the download address query requests that download client is sent, said download address query requests comprises the content information of video and the specification information of video;
Inquiry meets the video server of said download address query requests, and the video server that inquires is back to download client.
Another purpose of the embodiment of the invention is to provide a kind of method of online foradownloaded video, said method comprising the steps of:
Receive the video download request that download client is sent, said video download request comprises the content information of video and the specification information of video;
Obtain the video that meets said video download request, and with the video transmission of obtaining to download client.
Another purpose of the embodiment of the invention is to protect a kind of client terminal device of online foradownloaded video, and said device comprises:
Download address query requests sending module is used for sending the download address query requests to downloading linked server, and said download address query requests comprises the content information of video and the specification information of video;
Video download request sending module is used for sending the video download request to video server, and said video download request comprises the content information of video and the specification information of video;
Video server address receiver module is used to receive the address of the video server that meets said download address query requests that the download link server returns;
The video reception module is used for the video that meets said video download request that the receiver, video server sends.
Another purpose of the embodiment of the invention is to provide a kind of server-side device of online foradownloaded video, and said device comprises:
A download link server; Be used to receive the download address query requests that download client is sent; Selection meets the video server of said download address query requests; And the address of said video server is sent to download client, the content information and the specification information of the video that meets the video download request that the receiver, video server sends, and in downloading concordance list, be labeled as and exist;
At least one video server; Be used to receive the video download request that download client is sent; Obtain the video that meets said video download request and said video is sent to download client, the content information and the specification information that will meet the video of said video download request are sent to the download link server.
Another purpose of the embodiment of the invention is to provide a kind of system of online foradownloaded video, and said system comprises:
At least one download client; Be used for sending the download address query requests and sending the video download request to downloading linked server, the address of the video server that meets said download address query requests that reception download link server returns and the video that meets said video download request that video server sends to video server;
A download link server; Be used to receive the download address query requests that download client is sent; Selection meets the video server of said download address query requests; And the address of said video server is sent to download client, the content information and the specification information of the video that meets said video download request that the receiver, video server sends, and in downloading concordance list, be labeled as and exist;
At least one video server; Be used to receive the video download request that download client is sent; Obtain the video that meets said video download request and said video is sent to download client, the content information and the specification information that will meet the video of said video download request are sent to the download link server.
In embodiments of the present invention; The download link server is retrieved the video index table according to the download address query requests of download client; Selection meets the video server foradownloaded video of said download address query requests and according to the video download request video of downloading is carried out transcoding, and the video that will meet said video download request sends to download client.Make the client can directly download satisfactory video, need not time and efforts into the conversion labor of video specification.
Description of drawings
Fig. 1 is the interaction diagrams of the online foradownloaded video method that provides of the embodiment of the invention;
Fig. 2 is the client terminal device figure of the online foradownloaded video system that provides of the embodiment of the invention;
Fig. 3 is the server-side device figure of the online foradownloaded video system that provides of the embodiment of the invention.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
In embodiments of the present invention; The download link server is retrieved the video index table according to the download address query requests of download client; Selection meets the video server foradownloaded video of said download address query requests and according to the video download request video of downloading is carried out transcoding, and the video that will meet said video download request sends to download client.Make the client can directly download satisfactory video, need not time and efforts into the conversion labor of video specification.
Be illustrated in figure 1 as the interaction diagrams of the online foradownloaded video method that the embodiment of the invention provides, details are as follows:
Step S101, download client is sent the download address query requests to downloading linked server, and said download address query requests comprises the content information of video and the specification information of video.
In embodiments of the present invention, the specification information of video comprises the form of the video that mobile device can be play and the resolution of the video that can play.
Step S102, the download link server selects to meet the video server of said download address query requests.
In embodiments of the present invention, the download link server is connected with the multi-section video server, and said video server is used to preserve video and downloads video from the Internet and the video of online download is carried out transcoding.Select the method for suitable video server to be: the video index table of retrieval download link server stores, said video index table is being registered the content information and the specification information of the video of video server preservation.If the in store video that meets said download address query requests of video server is arranged, then this video server is set at Download Server.If do not have video server to preserve to meet the video of said download address query requests, then select suitable video server: from the video server of idle condition, select recently and the minimum video server of handling of download request apart from download client according to following method.The method of the video server that said selection is suitable also can be used weighting formulate a: N=0.5*L+0.5*n; Wherein L representes the distance between download client and the video server; N representes the quantity of current video server download request, and the more little expression video server of N value is suitable more.
Step S103, the address that will meet the video server of said video address query requests is sent to download client.
Step S104, download client is sent to video server according to the address of said video server with the video download request, and said download request comprises the content information and the specification information of video.
Step S105, video server obtain the video that meets said video download request.
In embodiments of the present invention, video server is searched for the video of storage according to said video download request, if video server stores has the video that meets said video download request, then directly calls said video; If video server does not have storage to meet the video of said video download request; Then video server is according to the content information of video; Foradownloaded video from the network, and convert the video of downloading to meet said video download request specification according to the specification information of video.
Step S106 sends the video that meets said video download request to download client.
Step S107, video server be to downloading content information and the specification information that linked server sends the video that meets said video download request, and in the video index table of download link server, be labeled as and exist.
In embodiments of the present invention; The download link server is retrieved the video index table according to the download address query requests of download client; Selection meets the video server foradownloaded video of said download address query requests and according to the video download request video of downloading is carried out transcoding, and the video that will meet said video download request sends to download client.Make the client can directly download satisfactory video, need not time and efforts into the conversion labor of video specification.
The client terminal device figure of the online foradownloaded video system that is illustrated in figure 2 as that the embodiment of the invention provides for the ease of explanation, only shows the part relevant with the embodiment of the invention
Download address query requests sending module 21 is used for sending the download address query requests to downloading linked server, and said download address query requests comprises the content information of video and the specification information of video;
Video download request sending module 22 is used for sending the video download request to video server, and said video download request comprises the content information of video and the specification information of video;
Video server address receiver module 23 is used to receive the address of the video server that meets said download address query requests that the download link server returns;
Server-side device figure like the said online foradownloaded video system that provides for the embodiment of the invention of Fig. 3 for the ease of explanation, only shows the part relevant with the embodiment of the invention:
Download link server 31; Be used to receive the download address query requests that download client is sent; Selection meets the video server of said download address query requests; And the address of said video server is sent to download client, the content information and the specification information of the video that meets the video download request that the receiver, video server sends, and said video is registered as exists;
Video server 32; Be used to receive the video download request that download client is sent; Obtain the video that meets said video download request and said video is sent to download client, will meet the new and specification information of the content of video of said video download request and be sent to the download link server.
Said download link server 31 comprises:
Download address query requests receiver module 311 is used to receive the download address query requests that download client is sent;
Video frequency searching module 312 is used for according to the download address query requests that said download address query requests receiver module 311 receives the video index table of storage being retrieved;
Video server is selected module 313, is used for meeting according to result's selection of said video frequency searching module 312 retrievals the video server of said download address query requests;
Video server address sending module 314 is used for selecting the address of the video server of module 313 selections to be sent to download client said video server;
Video information Registration Module 315 is used for the content information and the specification information of the video that meets the video download request that the receiver, video server sends, and will in downloading concordance list, be labeled as and exist.
Said video server 32 also comprises:
Video download request receiver module 321 is used to receive the video download request that download client is sent;
Video calling module 322 is used for the video download request according to said video download request receiver module 321 receptions, calls the video that meets said video download request;
Video code conversion module 324 is used for the video download request according to said video download request receiver module 321 receptions, and the video that said video download module 323 is downloaded carries out transcoding;
Video sending module 325, the video that is used for said video calling module 322 is called or the video of video code conversion module 324 transcodings send to download client;
Video information is sent 326 of moulds, is used for after said video sending module 325 has sent video, and the content information and the specification information that will meet the video of said video download request send to the download link server.
In embodiments of the present invention, video server is searched for the video of storage according to said video download request, if video server stores has the video that meets said video download request, then directly calls said video; If video server does not have storage to meet the video of said video download request; Then video server is according to the original video download address; Foradownloaded video from the network, and convert the video of downloading to suitable specification according to the model of mobile device and the video resolution of mobile device.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (20)
1. the method for an online foradownloaded video is characterized in that, comprising:
Download client is sent the download address query requests to downloading linked server, and said download address query requests comprises the content information of video and the specification information of video;
The download link server lookup meets the video server of said download address query requests, and the video server that inquires is back to download client;
Download client is sent the video download request to video server, and said video download request comprises the content information of video and the specification information of video;
Video server obtains the video that meets said video download request, and with the video transmission of obtaining to download client.
2. the method for claim 1 is characterized in that, the specification information of said video comprises the resolution of the form and the video of video.
3. the method for claim 1 is characterized in that, the step that said download link server lookup meets the video server of said download address query requests is specially:
The video index table of retrieval download link server stores, if having video server to preserve to meet the video of said download address query requests, then with this video server as the video server that meets said download address query requests that inquires;
If do not have video server to preserve to meet the video of said download address query requests, then from the video server of idle condition the chosen distance download client recently and the minimum video server of the download request of handling as the video server that meets said download address query requests that inquires.
4. method as claimed in claim 3; It is characterized in that the said video server that the chosen distance download client is nearest and download request that handle is minimum from the video server of idle condition is specially as the step of the video server that meets said download address query requests that inquires:
Adopt formula N=0.5*L+0.5*n to obtain the weighted value of the video server of each idle condition, wherein L is the distance between download client and the video server, and n is the quantity of current video server download request, and N is a weighted value;
Select the minimum video server of weighted value in the video server of each idle condition as the video server that meets the download address query requests.
5. the method for claim 1 is characterized in that, the step that said video server obtains the video that meets said video download request is specially:
Video server is searched for the video of storage according to said video download request, if video server stores has the video that meets said video download request, then directly calls said video; If do not store the video that meets said video download request in the video server; Then video server is according to the content information of said video; Foradownloaded video from the network, and convert the video of downloading to meet said video download request video according to the specification information of said video.
6. method as claimed in claim 5 is characterized in that, after said step with the video transmission of obtaining to download client, also comprises:
Video server is sent to the download link server with said content information and the specification information that meets the video of video download request;
The download link server receives said content information and the specification information that meets the video of video download request, and in downloading concordance list, is labeled as and exists.
7. the method for an online foradownloaded video is characterized in that, said method comprising the steps of:
Send the download address query requests to downloading linked server, said download address query requests comprises the content information of video and the specification information of video;
To downloading the video server transmission video download request that linked server returns, said video download request comprises the content information of video and the specification information of video;
The video that meets said video download request that the receiver, video server sends.
8. method as claimed in claim 7 is characterized in that, the specification information of said video comprises the resolution of the form and the video of video.
9. the method for an online foradownloaded video is characterized in that, said method comprising the steps of:
Receive the download address query requests that download client is sent, said download address query requests comprises the content information of video and the specification information of video;
Inquiry meets the video server of said download address query requests, and the video server that inquires is back to download client.
10. method as claimed in claim 9 is characterized in that, the step that said inquiry meets the video server of download address query requests is specially:
The video index table of retrieval download link server stores, if having video server to preserve to meet the video of said download address query requests, then with this video server as the video server that meets said download address query requests that inquires;
If do not have video server to preserve to meet the video of said download address query requests, then from the video server of idle condition the chosen distance download client recently and the minimum video server of the download request of handling as the video server that meets said download address query requests that inquires.
11. method as claimed in claim 10; It is characterized in that the said video server that the chosen distance download client is nearest and download request that handle is minimum from the video server of idle condition is specially as the step of the video server that meets said download address query requests that inquires:
Adopt formula N=0.5*L+0.5*n to obtain the weighted value of the video server of each idle condition, wherein L is the distance between download client and the video server, and n is the quantity of current video server download request, and N is a weighted value;
Select the minimum video server of weighted value in the video server of each idle condition as the video server that meets the download address query requests.
12. method as claimed in claim 9 is characterized in that, after the said step that the video server that inquires is back to download client, also comprises:
The content information and the specification information of the video that the transcoding that the receiver, video server sends is intact, and in downloading concordance list, be labeled as and exist.
13. the method for an online foradownloaded video is characterized in that, said method comprising the steps of:
Receive the video download request that download client is sent, said video download request comprises the content information of video and the specification information of video;
Obtain the video that meets said video download request, and with the video transmission of obtaining to download client.
14. method as claimed in claim 13 is characterized in that, the said step of obtaining the video that meets said video download request is specially:
Video server is searched for the video of storage according to said video download request, if video server stores has the video that meets said video download request, then directly calls said video; If do not store the video that meets said video download request in the video server; Then video server is according to the content information of said video; Foradownloaded video from the network, and convert the video of downloading to meet said video download request video according to the specification information of video.
15. method as claimed in claim 13 is characterized in that, after said step with the video transmission of obtaining to download client, also comprises:
To downloading content information and the specification information that linked server sends the intact video of transcoding.
16. the client terminal device of an online foradownloaded video system, said device comprises:
Download address query requests sending module is used for sending the download address query requests to downloading linked server, and said download address query requests comprises the content information of video and the specification information of video;
Video download request sending module is used for sending the video download request to video server, and said video download request comprises the content information of video and the specification information of video;
Video server address receiver module is used to receive the address of the video server that meets said download address query requests that the download link server returns;
The video reception module is used for the video that meets said video download request that the receiver, video server sends.
17. the server-side device of an online foradownloaded video system, said device comprises:
A download link server; Be used to receive the download address query requests that download client is sent; Selection meets the video server of said download address query requests; And the address of said video server is sent to download client, the content information and the specification information of the video that meets the video download request that the receiver, video server sends, and in downloading concordance list, be labeled as and exist;
At least one video server; Be used to receive the video download request that download client is sent; Obtain the video that meets said video download request and said video is sent to download client, the content information and the specification information that will meet the video of said video download request are sent to the download link server.
18. device as claimed in claim 17 is characterized in that, said download link server comprises:
Download address query requests receiver module is used to receive the download address query requests that download client is sent;
The video frequency searching module, the download address query requests that is used for receiving according to said download address request receiver module is retrieved the video index table of storage;
Video server is selected module, is used for meeting according to result's selection of said video frequency searching module retrieval the video server of said download address query requests;
Video server address sending module is used for selecting the address of the video server of module selection to be sent to download client said video server;
The video information Registration Module is used for the content information and the specification information of the video that meets the video download request that the receiver, video server sends, and in downloading concordance list, is labeled as and exists.
19. device as claimed in claim 17 is characterized in that, said video server comprises:
Video download request receiver module is used to receive the video download request that download client is sent;
The video calling module is used for the video download request according to said video download request receiver module reception, calls the video that meets said video download request;
The video download module is used for the video download request that receives according to said video download request receiver module, foradownloaded video from the network;
The video code conversion module is used for the video download request according to said video download request receiver module reception, and the video that said video download module is downloaded carries out transcoding;
The video sending module, the video that is used for said video calling module is called or the video of video code conversion module transcoding send to download client;
The video information sending module is used for the content information and the specification information of the video that meets said video download request are sent to the download link server.
20. the system of an online foradownloaded video, said system comprises:
At least one download client; Be used for sending the download address query requests and sending the video download request to downloading linked server, the address of the video server that meets said download address query requests that reception download link server returns and the video that meets said video download request that video server sends to video server;
A download link server; Be used to receive the download address query requests that download client is sent; Selection meets the video server of said download address query requests; And the address of said video server is sent to download client, the content information and the specification information of the video that meets said video download request that the receiver, video server sends, and in downloading concordance list, be labeled as and exist;
At least one video server; Be used to receive the video download request that download client is sent; Obtain the video that meets said video download request and said video is sent to download client, the content information and the specification information that will meet the video of said video download request are sent to the download link server.
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| CN201010568152.3A CN102487375B (en) | 2010-12-01 | 2010-12-01 | Method, device and system for downloading videos online |
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| CN201010568152.3A CN102487375B (en) | 2010-12-01 | 2010-12-01 | Method, device and system for downloading videos online |
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