CN102404608A - Video on demand method based on point-to-point transmission of local area network - Google Patents
Video on demand method based on point-to-point transmission of local area network Download PDFInfo
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- CN102404608A CN102404608A CN2011103889080A CN201110388908A CN102404608A CN 102404608 A CN102404608 A CN 102404608A CN 2011103889080 A CN2011103889080 A CN 2011103889080A CN 201110388908 A CN201110388908 A CN 201110388908A CN 102404608 A CN102404608 A CN 102404608A
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Abstract
The invention disclose a video on demand method based on point-to-point transmission of a local area network, which is executed by the following steps that: 1) a plurality of client ends in the local area network request a video on demand service from a video on demand server; 2) the video on demand server sends target video file information of the video on demand service to each client end; 3) the client end receives the target video file information and a plurality of video sections; and 4) the current client end acquires each video section in a traversing manner and the current client end firstly acquires the video section from other client ends of the local area network in the traversing process; if the video section exists in the local areas of other client ends of the local area network, the current video section is sent to the current client end in a point-to-point manner; or else, the current client end acquires the current video section from the video on demand server; and meanwhile, each client end outputs the video sections to the users in sequence. The video on demand method based on point-to-point transmission of the local area network disclosed by the invention has the advantages of rapid video play process, high transmission speed, high transmission efficiency and good user experience.
Description
Technical field
The present invention relates to the video on demand techniques field, be specifically related to a kind of VOD method based on the transmission of local area network (LAN) point-to-point.
Background technology
In recent years; Along with Internet development, obtained increasingly extensive application based on amusement, friend-making, the teaching of Online Video, and in Internet video is used; The throughput of different networks constantly, propagation delay time etc. are constantly to change; This grouping that just makes transmission video signal is difficult to arrive receiving terminal simultaneously with the grouping of its corresponding sound accompaniment of transmission, thereby makes the broadcast of vision signal can not be more serious with the synchronous problem of its sound accompaniment, produces the effect of " labial is asynchronous "; Greatly limited, based on the promotion and application of the amusement of Online Video, friend-making, teaching.
After all; Based on a part of reason of the above-mentioned variety of problems of the amusement of Online Video, friend-making, teaching often because server stores is unreasonable; Compatible also bad reason causes; The service circuit of an Online Video server gets congestion, and then can cause all video playback of this server stores jam of blocking up, and user experience is relatively poor.
Summary of the invention
The VOD method that the technical problem that the present invention will solve provides a kind of video playback flow process, transmission speed is fast, efficiency of transmission is high, user experience is good based on the transmission of local area network (LAN) point-to-point.
In order to solve the problems of the technologies described above, the technical scheme that the present invention adopts is:
A kind of VOD method based on the transmission of local area network (LAN) point-to-point, implementation step is following:
1) a plurality of clients of local area network (LAN) are to ordering server request video-on-demand service;
2) ordering server sends the target video fileinfo of video-on-demand service simultaneously to each client;
3) client receiving target video file information, and the target video file is divided into a plurality of video-frequency bands according to said target video fileinfo;
4) the active client traversal is obtained each video-frequency band; And active client preferentially obtains video-frequency band to other clients of local area network (LAN) in the traversal acquisition process; Through point-to-point the current video section is sent to active client if there has been this video-frequency band in other client terminal locals of local area network (LAN), otherwise active client obtains the current video section to ordering server; Simultaneously, each client is exported to the user successively with each video-frequency band.
Further improvement as technique scheme:
Said target video fileinfo comprises the size of target video file and the address of service of target video file.
According to said target video fileinfo the target video file being divided into a plurality of video-frequency band concrete steps in the said step 3) comprises: the unit byte-sized of preset video-frequency band; Then with total size of said target video file divided by said unit byte-sized; The Shang Jiayi that said division is obtained obtains the segmentation sum, according to the segmentation sum said target video file on average is divided into the identical video-frequency band of size then.
The preset video-frequency band preorder hop count that reads to ordering server in the said step 4); When the active client traversal is obtained each video-frequency band; If the sequence number of current video section is less than or equal to said video-frequency band preorder hop count, then directly read the current video section to ordering server.
The present invention has following advantage: client receiving target video file information of the present invention; And the target video file is divided into a plurality of video-frequency bands according to the target video fileinfo; The active client traversal is obtained each video-frequency band; And active client preferentially obtains video-frequency band to other clients of local area network (LAN) in the traversal acquisition process; If having existed this video-frequency band, other client terminal locals of local area network (LAN) the current video section is sent to active client through point-to-point; Otherwise active client obtains the current video section to ordering server, so each client can be preferentially through the point-to-point transmission video, has video playback flow process, transmission speed is fast, efficiency of transmission is high, user experience is good advantage.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the main schematic flow sheet of the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are set forth in detail, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
As shown in Figure 1, the implementation step based on the VOD method of local area network (LAN) point-to-point transmission of present embodiment is following:
1) a plurality of clients of local area network (LAN) are to ordering server request video-on-demand service;
2) ordering server sends the target video fileinfo of video-on-demand service simultaneously to each client;
3) client receiving target video file information, and the target video file is divided into a plurality of video-frequency bands according to the target video fileinfo;
4) the active client traversal is obtained each video-frequency band; And active client preferentially obtains video-frequency band to other clients of local area network (LAN) in the traversal acquisition process; Through point-to-point the current video section is sent to active client if there has been this video-frequency band in other client terminal locals of local area network (LAN), otherwise active client obtains the current video section to ordering server; Simultaneously, each client is exported to the user successively with each video-frequency band.
The target video fileinfo of present embodiment comprises the size of target video file and the address of service of target video file.
According to the target video fileinfo target video file being divided into a plurality of video-frequency band concrete steps in the step 3) of present embodiment comprises: the unit byte-sized of preset video-frequency band; Then with total size of target video file divided by the unit byte-sized; The Shang Jiayi that division is obtained obtains the segmentation sum, according to the segmentation sum target video file on average is divided into the identical video-frequency band of size then.
The preset video-frequency band preorder hop count that reads to ordering server in the step 4) of present embodiment; When the active client traversal is obtained each video-frequency band; If the sequence number of current video section is less than or equal to video-frequency band preorder hop count, then directly read the current video section to ordering server.
The above only is a preferred implementation of the present invention, and protection scope of the present invention also not only is confined to the foregoing description, and all technical schemes that belongs under the thinking of the present invention all belong to protection scope of the present invention.Should be pointed out that for those skilled in the art in the some improvement and the retouching that do not break away under the principle of the invention prerequisite, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (4)
1. VOD method based on local area network (LAN) point-to-point transmission is characterized in that implementation step is following:
1) a plurality of clients of local area network (LAN) are to ordering server request video-on-demand service;
2) ordering server sends the target video fileinfo of video-on-demand service simultaneously to each client;
3) client receiving target video file information, and the target video file is divided into a plurality of video-frequency bands according to said target video fileinfo;
4) the active client traversal is obtained each video-frequency band; And active client preferentially obtains video-frequency band to other clients of local area network (LAN) in the traversal acquisition process; Through point-to-point the current video section is sent to active client if there has been this video-frequency band in other client terminal locals of local area network (LAN), otherwise active client obtains the current video section to ordering server; Simultaneously, each client is exported to the user successively with each video-frequency band.
2. the VOD method based on the transmission of local area network (LAN) point-to-point according to claim 1, it is characterized in that: said target video fileinfo comprises the size of target video file and the address of service of target video file.
3. the VOD method based on the transmission of local area network (LAN) point-to-point according to claim 2; It is characterized in that; According to said target video fileinfo the target video file being divided into a plurality of video-frequency band concrete steps in the said step 3) comprises: the unit byte-sized of preset video-frequency band; Then with total size of said target video file divided by said unit byte-sized; The Shang Jiayi that said division is obtained obtains the segmentation sum, according to the segmentation sum said target video file on average is divided into the identical video-frequency band of size then.
4. according to claim 1 or 2 or 3 described VOD methods based on the transmission of local area network (LAN) point-to-point; It is characterized in that; The preset video-frequency band preorder hop count that reads to ordering server in the said step 4); When the active client traversal is obtained each video-frequency band,, then directly read the current video section to ordering server if the sequence number of current video section is less than or equal to said video-frequency band preorder hop count.
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| CN104539984A (en) * | 2014-12-30 | 2015-04-22 | 北京奇艺世纪科技有限公司 | Video playing method, device and system |
| CN110213662A (en) * | 2019-07-09 | 2019-09-06 | 金明晔 | A kind of VOD method, server, client and video on-demand system |
| CN112449248A (en) * | 2019-08-28 | 2021-03-05 | 杭州海康威视系统技术有限公司 | Video data on demand method and device and video on demand node |
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Application publication date: 20120404 |