CN103118277B - A kind of video acceleration method - Google Patents
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Abstract
The invention discloses a kind of video acceleration method, the URL video playback request that the method accelerator interception partner player sends to partner's source server, this accelerator is made to become the terminal of a video resource transmission, and then send the request of URL video playback by this terminal to URL Analysis server, thus for asked video file set up identity indicate, and then in seed server, inquire about seed list according in identify label, if there is corresponding seed, then with the mode of P2P mutual downloading data between each client, thus break away from solely from the defect of source server downloading data.It can thus be appreciated that, video acceleration method provided by the present invention is when by self player plays partner video resource, video playback can be made to break away from the restriction of source server bandwidth, accelerate the transmission speed of media data, reduce play buffering duration, thus the broadcasting that can significantly improve user is experienced.
Description
Technical field
The present invention relates to Internet video play-back technology field, particularly a kind of video acceleration method.
Background technology
Happy to look, the video website displaying video such as excellent cruel, potato and Ai Qi skill time, play after using traditional C/S mode downloads of media data, its basic process is:
1, in webpage, embed the player of oneself, and play the inventory of corresponding video;
2, user clicks certain video, informs that player needs the video information play;
3, player connects to source server;
4, server returns video data to player;
5, player is play after getting the data decode of source server.
In addition, except the above-mentioned mode directly clicking viewing video in video website, another kind of pattern is also had, that is video cooperation play mode.This kind of pattern relates to two sides: broadcasting side and partner.Broadcasting side is for having a side of client player, that is the present invention's self player said, the MPC player that such as our company has, certainly, also can be other player, a such as sudden peal of thunder be looked at and pplive etc., and the present invention is not restricted this.Partner is the side having video resource, such as excellent cruel, the strange skill of potato, love and happyly to look.Excellent cruel, the strange skill of potato, love and happy depending on etc. website the page on be embedded with player (that is partner's player), when the video of partner clicked by the video inventory at above-mentioned client player (self player), the video player of partner is just shown in self player, by the video player of this partner source server request msg to partner, that is perform above-mentioned steps 3 to 5, thus realize playing.
But, above-mentioned two kinds of traditional video broadcasting methods, all there are the following problems:
The first, when source server bandwidth is not enough, playing experience can not ensure.The prerequisite of player smooth playing is: be greater than the code check playing this video from the speed of player downloads media data, and playing experience can be deteriorated when source server bandwidth is critical, and occurs buffering, breaking phenomenon.
The second, bandwidth cost is higher.In order to meet the experience of user, need to provide the bandwidth being greater than number of users * video code rate to ensure Consumer's Experience with source server.
3rd, other software has impact to player downloads speed.If on subscriber set when an installation sudden peal of thunder or BT software, these softwares upload or the behavior of downloading data all can take the network bandwidth of user this locality, the speed of download of player is affected.
4th, still need again to download when the video after user plays is play again.When the video seen needs again to watch, player needs again to connect with source server, plays after downloading data.
The present invention be directed to and on self player, play partner's video resource and design.
In view of this, relate to and play partner's video resource on self player, how the video broadcasting method of prior art is improved, thus make video playback break away from the restriction of source server bandwidth, accelerate the transmission speed of media data, reduce play buffering duration, the broadcasting that improve user is experienced.
Summary of the invention
The technical problem to be solved in the present invention is for providing a kind of video acceleration method, this video acceleration method is when by self player plays partner video resource, video playback can be made to break away from the restriction of source server bandwidth, accelerate the transmission speed of media data, reduce play buffering duration, thus the broadcasting that can significantly improve user is experienced.
For solving the problems of the technologies described above, the invention provides a kind of video acceleration method, for accelerating the video file of downloading and playing partner, comprising the steps:
S11: accelerator interception is embedded in the video URL request that the partner's player in self player sends to the source server of partner, and makes this URL request turn to oneself;
S12: this URL request former state is transmitted to described source server by accelerator;
S13: source server returns corresponding stream medium data to accelerator;
S14: this stream medium data is returned to partner's player by accelerator; And URL request is sent to URL Analysis server by accelerator;
S15:URL Analysis server according in URL request file path generate institute ask the identity of video file to indicate, and by this identity sign return to accelerator;
S16: accelerator indicates to seed server inquiry according to this identity, if there is respective seed, then with P2P mode downloading data, then organising data is pushed to partner's player.
Preferably, in step s 13, source server also returns the file section length of stream medium data to accelerator, and this file segment length equals file header length, difference sum with request of data point and end point.
Preferably, also comprise the steps: between step S13 and step S14
Sa: accelerator in the mode of range to source server request msg, thus obtain ask the file total length of video file.
Preferably, in step S14, described file total length is also sent to URL Analysis server by accelerator;
In step 15, the data parameters relating to the file total length of same video file that each collected client is sent also is sent to accelerator by URL Analysis server.
Preferably, also comprise the steps: between step S15 and step S16
Sb: accelerator judges whether the data parameters of the file total length received meets reservation condition, if so, then down performs step S16; If not, then flow process terminates, and does not carry out acceleration operation.
Preferably, be describedly pre-conditionedly: the quantity of the data parameters of file total length reaches predetermined quantity, and in each data parameters, the ratio of the quantity of identical Value Data parameter and the quantity of total data parameter reaches predetermined ratio.
Preferably, in step s 16, accelerator according to following tactful organising data, to push to player:
If complete file head length, difference sum with request of data point and end point, equal described file section length, then after complete file header spelled by accelerator, by this complete file head and corresponding data file to partner's player propelling movement;
If complete file head length, difference sum with request of data point and end point, be not equal to described file section length, then from complete file head, extract partial document head, make partial document head, with the difference sum of request of data point and end point, equal described file section length, then this partial document head and corresponding data file are pushed to partner's player.
Preferably, step S16 comprises as follows step by step:
S161: accelerator indicates to seed server inquiry seed list according to this identity;
S162: seed list is sent to accelerator by seed server;
S163: accelerator passes through P2P connected mode downloading data according to this seed list, and writes buffer culture;
S164: the data that accelerator is comprehensively downloaded by above-mentioned P2P mode and the data by being gone back to by accelerator by source server, and be pushed to player.
Preferably, described video URL request tackled in the following way by accelerator:
When client software player starts, the function address entrance of WinINet is revised by APIHook, point to the Stub function of accelerator, so that when user clicks the video of partner, the video URL that the player of partner sends has been forwarded on accelerator by Stub function.
Below discuss technique effect of the present invention:
In the present invention, by the URL video playback request that accelerator interception partner player sends to partner's source server, this accelerator is made to become the terminal of a video resource transmission, and then send the request of URL video playback by this terminal to URL Analysis server, thus for asked video file set up identity indicate, and then in seed server, inquire about seed list according in identify label, if there is corresponding seed, then with the mode of P2P mutual downloading data between each client, thus break away from solely from the defect of source server downloading data.That is the ability utilizing each client affluence to upload, when multiple user watches same video, mutually provide data and not exclusively download from server.Meanwhile, viewed video council retains a period of time at local hard drive buffer memory, uploads for providing to other user.
It can thus be appreciated that, video acceleration method provided by the present invention is when by self player plays partner video resource, video playback can be made to break away from the restriction of source server bandwidth, accelerate the transmission speed of media data, reduce play buffering duration, thus the broadcasting that can significantly improve user is experienced.
Accompanying drawing explanation
Fig. 1 is the logic diagram of video acceleration method in an embodiment of the present invention;
Fig. 2 is the logic diagram after improving the embodiment of Fig. 1;
Fig. 3 is the schematic diagram of video acceleration method in Fig. 1 and Fig. 2 embodiment of the present invention;
Fig. 4 is the concrete steps flow chart of video acceleration method in Fig. 1 and Fig. 2 embodiment of the present invention;
Fig. 5 is that the URL of video acceleration method in Fig. 1 and Fig. 2 embodiment of the present invention tackles schematic diagram.
Embodiment
Core of the present invention is for providing a kind of video acceleration method, this video acceleration method is when by self player plays partner video resource, video playback can be made to break away from the restriction of source server bandwidth, accelerate the transmission speed of media data, reduce play buffering duration, thus the broadcasting that can significantly improve user is experienced.
In order to make those skilled in the art understand technical scheme of the present invention better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the logic diagram of video acceleration method in an embodiment of the present invention; Fig. 2 is the logic diagram after improving the embodiment of Fig. 1.
As shown in Figure 1, in one embodiment, video acceleration method provided by the present invention, for accelerating the video file of downloading and playing partner, comprises the steps:
S11: accelerator interception is embedded in the video URL request that the partner's player in self player sends to the source server of partner, and makes this URL request turn to oneself;
S12: this URL request former state is transmitted to described source server by accelerator;
S13: source server returns corresponding stream medium data to accelerator;
S14: this stream medium data is returned to partner's player by accelerator; And URL request is sent to URL Analysis server by accelerator;
S15:URL Analysis server according in URL request file path generate institute ask the identity of video file to indicate, and by this identity sign return to accelerator;
S16: accelerator indicates to seed server inquiry according to this identity, if there is respective seed, then with P2P mode downloading data, then organising data is pushed to partner's player.
In the present invention, by the URL video playback request that accelerator interception partner player sends to partner's source server, this accelerator is made to become the terminal of a video resource transmission, and then send the request of URL video playback by this terminal to URL Analysis server, thus for asked video file set up identity indicate, and then in seed server, inquire about seed list according in identify label, if there is corresponding seed, then with the mode of P2P mutual downloading data between each client, thus break away from solely from the defect of source server downloading data.That is the ability utilizing each client affluence to upload, when multiple user watches same video, mutually provide data and not exclusively download from server.Meanwhile, viewed video council retains a period of time at local hard drive buffer memory, uploads for providing to other user.
As shown in Figure 2, in the present invention, in step s 13, source server also returns the file section length of stream medium data to accelerator, and this file segment length equals file header length, difference sum with request of data point and end point.Such as:
What partner's player sent asks point with start() and stop(end point) URL request of parameter is:
http://data/135248948399.flv?start=1005.72&stop=1439.16
Now, source server is responded and is:
HTTP/1.1200OK
Content-Type:video/x-flv
Content-Length:13441703, this 13441703 is above-mentioned file section length.
Further, also comprise the steps: between step S13 and step S14
Sa: accelerator in the mode of range to source server request msg, thus obtain ask the file total length of video file.Such as:
The URL request that client player sends in the mode of range is:
http://data/1339926968.flv?range=0-1024
Now, source server is responded and is:
HTTP/1.1200ok
Content-Type:video/x-flv
Content-Length:1025
Content-Range:bytes0-1024/184500963, this 184500963 is above-mentioned file total length.
In addition, as shown in Figure 2, in step S14, described file total length is also sent to URL Analysis server by accelerator; In step 15, the data parameters relating to the file total length of same video file that each collected client is sent also is sent to accelerator by URL Analysis server.
Meanwhile, as shown in Figure 2, also comprise the steps: between step S15 and step S16
Sb: accelerator judges whether the data parameters of the file total length received meets reservation condition, if so, then down performs step S16; If not, then flow process terminates, and does not carry out acceleration operation.
Particularly, pre-conditionedly can be: the quantity of the data parameters of file total length reaches predetermined quantity, and in each data parameters, the ratio of the quantity of identical Value Data parameter and the quantity of total data parameter reaches predetermined ratio.Certainly, can also be the pre-conditioned of other guide, as long as this pre-conditionedly can make the upload and download accurately carrying out P2P between client, the present invention be restricted this.
Further, in step s 16, accelerator according to following tactful organising data, to push to player:
If complete file head length, difference sum with request of data point and end point, equal described file section length, then after complete file header spelled by accelerator, by this complete file head and corresponding data file to partner's player propelling movement; Such as,
If the file header length 5 that source server returns, and the difference 20 of given data request point and end point, if the above-mentioned file section length that source server returns is 25, then there is 5+20=25, then complete file head length, difference sum with request of data point and end point, equal described file section length, then, after complete file header spelled by device, this complete file head and corresponding data file are pushed to partner's player.
If complete file head length, difference sum with request of data point and end point, be not equal to described file section length, then from complete file head, extract partial document head, make partial document head, with the difference sum of request of data point and end point, equal described file section length, then this partial document head and corresponding data file are pushed to partner's player.Such as:
If the file header length 5 that source server returns, and the difference 20 of given data request point and end point, if the above-mentioned file section length that source server returns is 21, now 5+20 ≠ 21, thus now need to split file header, in file header each several part, find two 0.5 parts, these two 0.5 are spliced, has then spelled partial document head 1, make 1+20=21, then now this partial document head and corresponding data file are pushed to partner's player.
In addition, step S16 comprises as follows step by step:
S161: accelerator indicates to seed server inquiry seed list according to this identity;
S162: seed list is sent to accelerator by seed server;
S163: accelerator passes through P2P connected mode downloading data according to this seed list, and writes buffer culture;
S164: the data that accelerator is comprehensively downloaded by above-mentioned P2P mode and the data by being gone back to by accelerator by source server, and be pushed to player.
Please refer to Fig. 3 and Fig. 4, Fig. 3 is the schematic diagram of video acceleration method in Fig. 1 and Fig. 2 embodiment of the present invention; Fig. 4 is the concrete steps flow chart of video acceleration method in Fig. 1 and Fig. 2 embodiment of the present invention.
As shown in Figure 3, in the video acceleration method of invention, accelerator interception URL request, makes it lead oneself, by this accelerator to source server download file head and data; Accelerator submits URL request to URL Analysis server, thus returns GCID(that is identity sign) and mapping relations; Accelerator submits GCID to seed server, thus returns Peer list, and download completes, and reports seed; Accelerator is downloaded and uploading data to peers.
As shown in Figure 4, concrete logic flow of the present invention is as described below:
1. the video URL request with start point and stop point of player is blocked, and turns to accelerator.
2. accelerator is forwarded to URL request former state on source server.
3. source server returns corresponding stream medium data, and the length of backspace file segment length and file header.
Meanwhile, with the mode of Range (Range [0,1024)) to source server request msg, to obtain the file size of this video, that is previously described file total length.
4. accelerator returns to player the stream medium data former state that source server returns.
5., after the file total length obtaining file, be sent to URL Analysis server together with video URL.
6.URL Analysis server generates GCID(according to file path that is identity indicates), read simultaneously this file affiliated web site request point unit (second, byte, such as: happy depending on being byte, potato is second, this configuration item is the result of research staff's investigation and analysis, and configuration item can adjust at any time).
7.URL Analysis server returns GCID, the unit of request point, complete file total length.(file overall length be here above-mentioned with range mode or 150 or 500)
1) if the file overall length that server returns is 0(that is does not meet pre-conditioned), then flow process terminates, and does not carry out acceleration operation.Client uses the complete file URL with start with stop of user's request to be connected, and then then reports URL Analysis server (this time flow process terminates) in range mode.
2) if the file overall length that 7.2 servers return back is not 0(that is meets pre-conditioned), continue following flow process.
8. inquire about Peer according to GCID to seed server.
9. obtain Peer list.
10. download mapped file from Peer.
11. obtain data write cache file from Peer.
12. source servers support Range parameter, then press region from source server downloading data.The data write cache file that source server returns.
The data in 13. comprehensively different sources, return player in order.
14. have downloaded, and report seed server.
It should be noted that, single video file (size is 600M) on source server is global storage sometimes, namely overall file total length is 600M, now, when user carries out dragging broadcasting at player, then drag point to 125M place, then start point is 125M, be now without stop point in URL, now mean that file plays to ending; If without start point, then mean and from the beginning play.
In addition, single video file (size is 600M) is divided into 3 parts sometimes and stores, and now Part I is: 0-200; Part II is: 201-400, and Part III is 401-600; In that case, file total length is the length of each several part, is also 200M; When user drags a little to 125M place, now start point is 125, then stop point is 200, and when user drags a little to 325M place, now start point is 325, then stop point is 400.
In addition, have Meta information in file header, include the corresponding relation of document misregistration and time migration, the unit of start point and stop point can be the time, can be also byte, when for the time, is byte by above-mentioned Meta convert information.
In the present invention, how can also tackle URL and carry out specific design, such as, please refer to Fig. 5 to accelerator, Fig. 5 is that the URL of video acceleration method in Fig. 1 and Fig. 2 embodiment of the present invention tackles schematic diagram.
As shown in Figure 5, when client software player starts, revised the function address entrance of WinINet by APIHook, point to the Stub function of accelerator, so that when user clicks the video of partner, the video URL that the player of partner sends has been forwarded on accelerator by Stub function.
In addition, it should be noted that, video acceleration method of the present invention is not only between player client player and video web page website, webpage in fact due to video web page website is also embedded with player, thus also may be used between video web page website, such as, excellent cruel and happy look between, can excellent cruel on player on accelerate to download the happy video file looked.
Above a kind of video acceleration method provided by the present invention is described in detail.Apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection range of the claims in the present invention.
Claims (6)
1. a video acceleration method, for accelerating the video file of downloading and playing partner, is characterized in that, comprising the steps:
S11: accelerator interception is embedded in the video URL request that the partner's player in self player sends to the source server of partner, and makes this URL request turn to oneself;
S12: this URL request former state is transmitted to described source server by accelerator;
S13: source server returns corresponding stream medium data to accelerator;
S14: this stream medium data is returned to partner's player by accelerator; And URL request is sent to URL Analysis server by accelerator;
S15:URL Analysis server according in URL request file path generate institute ask the identity of video file to indicate, and by this identity sign return to accelerator;
S16: accelerator indicates to seed server inquiry according to this identity, if there is respective seed, then with P2P mode downloading data, then organising data is pushed to partner's player;
In step s 13, source server also returns the file section length of stream medium data to accelerator, and this file segment length equals file header length, difference sum with request of data point and end point;
Also comprise the steps: between step S13 and step S14
Sa: accelerator in the mode of range to source server request msg, thus obtain ask the file total length of video file;
In step s 16, described organising data is pushed to partner's player and comprises:
Accelerator according to following tactful organising data, to push to player:
If complete file head length, difference sum with request of data point and end point, equal described file section length, then after complete file header spelled by accelerator, by this complete file head and corresponding data file to partner's player propelling movement;
If complete file head length, difference sum with request of data point and end point, be not equal to described file section length, then from complete file head, extract partial document head, make partial document head, with the difference sum of request of data point and end point, equal described file section length, then this partial document head and corresponding data file are pushed to partner's player.
2. a kind of video acceleration method as claimed in claim 1, is characterized in that,
In step S14, described file total length is also sent to URL Analysis server by accelerator;
In step 15, the data parameters relating to the file total length of same video file that each collected client is sent also is sent to accelerator by URL Analysis server.
3. a kind of video acceleration method as claimed in claim 2, is characterized in that, also comprise the steps: between step S15 and step S16
Sb: accelerator judges whether the data parameters of the file total length received meets reservation condition, if so, then down performs step S16; If not, then flow process terminates, and does not carry out acceleration operation.
4. a kind of video acceleration method as claimed in claim 3, it is characterized in that, described reservation condition is: the quantity of the data parameters of file total length reaches predetermined quantity, and in each data parameters, the ratio of the quantity of identical Value Data parameter and the quantity of total data parameter reaches predetermined ratio.
5. a kind of video acceleration method as described in any one of claim 1-4, is characterized in that, step S16 comprises as follows step by step:
S161: accelerator indicates to seed server inquiry seed list according to this identity;
S162: seed list is sent to accelerator by seed server;
S163: accelerator passes through P2P connected mode downloading data according to this seed list, and writes buffer culture;
S164: the data that accelerator is comprehensively downloaded by above-mentioned P2P mode and the data by being gone back to by accelerator by source server, then organising data be pushed to player.
6. a kind of video acceleration method as described in any one of claim 1-4, is characterized in that, described video URL request tackled in the following way by accelerator:
When client software player starts, the function address entrance of WinINet is revised by APIHook, point to the Stub function of accelerator, so that when user clicks the video of partner, the video URL that the player of partner sends has been forwarded on accelerator by Stub function.
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| CN104580521A (en) * | 2015-01-30 | 2015-04-29 | 宁波凯智信息科技有限公司 | Preloading method and system for client to smoothly access to server data |
| CN105099774B (en) * | 2015-07-08 | 2018-07-24 | 上海斐讯数据通信技术有限公司 | A kind of router software upgrade method and system |
| CN106789956B (en) * | 2016-12-01 | 2019-10-25 | 武汉市烽视威科技有限公司 | A kind of P2P order method and system based on HLS |
| CN111836108B (en) * | 2020-07-24 | 2023-04-14 | 广州酷狗计算机科技有限公司 | Media resource playing method, device, terminal and storage medium |
| CN112491577B (en) * | 2020-10-10 | 2023-12-05 | 北京思特奇信息技术股份有限公司 | Bandwidth acceleration method and system |
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