CN102223416B - Method and system for transmitting media file - Google Patents
Method and system for transmitting media file Download PDFInfo
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- CN102223416B CN102223416B CN201110172914.2A CN201110172914A CN102223416B CN 102223416 B CN102223416 B CN 102223416B CN 201110172914 A CN201110172914 A CN 201110172914A CN 102223416 B CN102223416 B CN 102223416B
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Abstract
The invention discloses a method and a system for transmitting a media file. In the method, for the medial file, various index types are set up according to different network connection speeds, the media file is divided into a plurality of data segments by each index type, the first data segment and the part selected from the rest segments are transmitted to terminal equipment, and all data of the media file do not need to be downloaded to the terminal equipment. By the scheme, the strong storage capability of a cloud terminal can be fully utilized, the two key restriction factors of the download flow and the storage space are evenly loaded at the cloud terminal and an equipment terminal, so that the computing and the storage capability of the cloud terminal server and the terminal equipment can be evenly loaded, the waiting time for a user to download and the download flow can be reduced, the waiting time for the playing of the media file can be reduced, the network utilization rate is improved, the convenience is provided for the user, and the storage space is saved.
Description
Technical field
The present invention relates to file transfer technology field, in particular a kind of transmission method of media file and system.
Background technology
Cloud computing has become the important trend of Internet industry development, along with the rise of the smart machine of various non-PC, it is more and more outstanding that the importance of cloud computing embodies, because smart machine is due to the computing capability of self, storage capacity, cost, the restriction of the various factorss such as battery durable ability, can not accomplish such omnipotent and all-embracing of PC, now, by the help of high in the clouds computing capability, the load of balanced high in the clouds and equipment will be a kind of effective mode.
For music, under traditional mode, music is directly downloaded from server and stores on the terminal device, for mobile device, be downloaded to this locality completely and have two problems: be first expend flow, especially when current 3G network data expense or relatively costly, can be more responsive to the requirement of flow; Next is memory space, and mobile device does not also possess that almost limitless memory space of similar computer at present
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is, for the above-mentioned defect of prior art, provides a kind of transmission method and system of media file.It can the calculating of equally loaded cloud server and terminal equipment and storage capacity, decreases the time that user waits for downloads, decreases the stand-by period of playback of media files, improve network utilization.
The technical scheme that technical solution problem of the present invention adopts is as follows:
A transmission method for media file, wherein, comprises step:
A, the media file of cloud server is set up multiple index type according to different network connection speeds, media file is divided into multiple data segment by often kind of index type;
B, when there being the media file download request from terminal equipment, from request, parsing the information that described terminal equipment network connects, and according to this network connection information, return different index files to terminal equipment;
C, according to described index file, will the first data segment of downloads of media file be needed and select fractional transmission to terminal equipment from remaining data section.
The transmission method of described media file, wherein, also comprises after described step C:
D1, described terminal equipment are play the media file downloaded, and judge whether next data segment of current played data section is downloaded according to index file;
If D2 does not download, then terminal equipment calculates the time T downloaded needed for next data segment, is also left the time of T before distance finishes, and described terminal equipment sends the download request to next data segment described to described cloud server;
If D3 downloads, then described terminal equipment is without operation.
The transmission method of described media file, wherein, described step D2 also comprises:
D21, described cloud server receive the download request to next data segment described that described terminal equipment is sent, and judge whether described terminal equipment has the former download flow process downloaded;
If D22 has, then described cloud server suspends former download flow process, starts the download of next data segment described, and after next data segment described is downloaded, described cloud server recovers to perform former download flow process.
D23, if nothing, then described cloud server directly starts the download of next data segment described, and after next data segment described is downloaded, described cloud server terminates to download.
The transmission method of described media file, wherein, also comprises after described step C:
When D0, described terminal equipment are play the media file downloaded, receive the skip operation instruction of user, and the jump location indicated by described skip operation instruction has downloaded complete data segment, then return D1.
The transmission method of described media file, wherein, described step D0 also comprises: the jump location indicated by described skip operation instruction is the data segment do not downloaded, then the position of terminal equipment indicated by index, sends the download request to this data segment to described cloud server.
The transmission method of described media file, wherein, the media file data real-time storage be downloaded is in described terminal equipment.
A transmission system for media file, wherein, comprising: cloud server, and the multiple terminal equipments be connected with cloud server;
Described cloud server comprises:
Index is set up and data segmentation module, and for the media file of cloud server is set up multiple index type according to different network connection speeds, media file is divided into multiple data segment by often kind of index type;
Parsing module, for when there being the media file download request from terminal equipment, parsing the information that described terminal equipment network connects, and according to this network connection information, returning different index files to terminal equipment from request;
Data transmission module, for according to described index file, will need the first data segment of downloads of media file and select fractional transmission to terminal equipment from remaining data section;
Described terminal equipment, for sending media file download request to cloud server, and downloads corresponding media file step by step from cloud server.
The transmission system of described media file, wherein, described terminal equipment comprises:
Download request module, the network that the operational order for receiving user selects current reality to use connects, and sends download request according to this network connection information to described cloud server;
According to index file, play processing module, for being play the media file downloaded by player, and judges whether next data segment of current played data section is downloaded;
Time Calculation module, for when next data segment described is not downloaded, calculates and downloads described time T needed for next data segment, be also left the time of T before distance finishes, send the download request of next data segment described to described cloud server.
The transmission system of described media file, wherein, the data transmission module of described cloud server also comprises:
Judging unit, during for receiving the download request to next data segment described that terminal equipment sends, judges whether this terminal equipment has the former download flow process downloaded; If have, then described cloud server suspends former download flow process, starts the download of next data segment described, and after next data segment described is downloaded, described cloud server recovers to perform former download flow process; If nothing, then described cloud server directly starts the download of next data segment described, and after next data segment described is downloaded, described cloud server terminates to download.
The transmission system of described media file, wherein, described terminal equipment also comprises:
Jumping menu unit, for when described terminal equipment is play the media file downloaded, receives the skip operation instruction of user, and the jump location indicated by described skip operation instruction is selected to continue to play or send download request to described cloud server.
The transmission method of media file provided by the present invention and system, owing to have employed as media file sets up multiple index type according to different network connection speeds, media file is divided into multiple data segment by often kind of index type " and " select fractional transmission to terminal equipment by first data segment and from remaining data section, and all data of media file will all not download to terminal equipment, by the program, the storage capacity that high in the clouds is powerful can be made full use of, by downloading flow and the crucial restraining factors of memory space these two, balancedly load beyond the clouds and equipment end, it can the calculating of equally loaded cloud server and terminal equipment and storage capacity, decrease time and downloading flow that user waits for downloads, decrease the stand-by period of playback of media files, improve network utilization, provide users with the convenient and save memory space for user.
Accompanying drawing explanation
Fig. 1 is the flow chart of the transmission method of a kind of media file of the present invention.
Fig. 2 is the schematic diagram of a kind of embodiment of media file segmenting structure in the transmission method of a kind of media file of the present invention.
Fig. 3 is the schematic diagram of another embodiment of media file segmenting structure in the transmission method of a kind of media file of the present invention.
Fig. 4 is the transmission system theory diagram of a kind of media file of the present invention.
Fig. 5 is the inner theory diagram of cloud server in the transmission system of a kind of media file of the present invention.
Fig. 6 is the inner theory diagram of terminal equipment in the transmission system of a kind of media file of the present invention.
Embodiment
For making object of the present invention, technical scheme and advantage clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The transmission method of a kind of media file that the embodiment of the present invention provides, as shown in Figure 1, mainly comprises the following steps:
Step S110, the media file of cloud server is set up multiple index type according to different network connection speeds, media file is divided into multiple data segment by often kind of index type.
In the present embodiment, first, need media file such as the music file for server beyond the clouds to set up index, every a piece of music needs to set up polytype index, and often kind of index is for different network connection speeds.
The network access environment of mobile device is constantly change, and a same terminal equipment, may can access WIFI, LTE, 3G, 2G simultaneously, and in the various different physical connection such as bluetooth, often kind of different network connects, and its network speed is also different.
In the present embodiment, adopt for the slower connection of network speed as 3G, 2G network, media file, media file is cut into thinner data segment for principle, as shown in Figure 2, is divided into 9 data segments by the index set up, be respectively A1, A2, A3, A4, A5, A6, A7, A8 and A9, for network speed network connection faster, if WIFI, LTE(LTE are the abbreviations of English Long Term Evolution.LTE is also called 3.9G by popular, has the data download capabilities of 100Mbps, is considered the mainstream technology from 3G to 4G evolution), the index set up is to cut into thicker data segment for principle by media file, as shown in Figure 3, media file is divided into 3 data segments, is respectively B1, B2 and B3.For same media file, File cutting is three sections by the index of Fig. 3, sets up index respectively to this three part, and Fig. 2 by File cutting in order to nine sections, index is set up to this nine part.
When setting up multiple index type to each media file according to different network connection speeds, after media file is divided into multiple data segment by often kind of index type, enter step S120.
Step S120, when there being the media file download request from terminal equipment, from request, parsing the information that present terminal device network connects, and according to this network connection information, return different index files to terminal equipment.
In the present embodiment, the information that network connects operates selection by user operation to be provided, because in practical situations both, which kind of physical connection terminal equipment uses, and is very clearly, needs the UI interface by terminal equipment, allows user select the network of current reality use.
After high in the clouds establishes several different index to music file, when there being the music download request from equipment, from user's request, first parse the information that present terminal device network connects, according to this network connection information, determine to return different index files, enter step S130.
Step S130, according to described index file, will the first data segment of downloads of media file be needed and select fractional transmission to terminal equipment from remaining data section.
In the present embodiment, adopt above-mentioned return index file while, need downloads of media file such as music file itself not need whole file to download to terminal equipment completely, but only download section divided data, in equipment, save flow and quick-downloading object to reach.
For example adopt and will need the first data segment of downloads of media file, the one piece of data namely started most, for Fig. 2, being exactly data A1, for Fig. 3, is exactly data B1.A1 data volume is less, but the network of correspondence connects also slow.Because during the slow connection of network speed, only have and divide less, download this data slot, the time of recovering as early as possible needed for playing is just less, decreases the stand-by period of user.
And the data volume of B1 is comparatively large, corresponding network speed is also fast, so total time is for user, is basically identical, reaches balanced object.
Adopt in the present embodiment and will the first data segment transmission of downloads of media file be needed to terminal equipment, because most user is when playing music, start anew to play, the incipient stage that such user is playing carries out meshwork buffering with regard to not needing, and decreases the stand-by period of playback of media files.
In the present embodiment, except that segment data started most, remaining data are also select part to download, namely select fractional transmission to terminal equipment in remaining data section, the algorithm selected can be diversified, and the simplest a kind of way selects across section equably, for Fig. 2, select A3, A6, A9 download, Fig. 3 then selects B3 and downloads, like this, no matter which kind of indexed mode, the data volume of final actual download is duplicate in fact.Like this, decrease the time that user waits for downloads, provide users with the convenient.
After select data slot has been downloaded, terminate even if whole music is downloaded, by this way, the object of saving flow and accelerating speed of download can have been reached.Step S140 is entered after user need play the file of download.
Step S140, described terminal equipment are play the media file downloaded, and judge whether next data segment of current played data section is downloaded according to index file; If download, then described terminal equipment is without operation.If do not download, then terminal equipment calculates the time T downloaded needed for next data segment, before distance finishes, be also left the time of T, described terminal equipment sends the download request to next data segment described to described cloud server, starts the download of next data segment.
Before the download starting next data segment, judge currently whether have the former download flow process downloaded (what namely cloud server received that terminal equipment sends calls request to next data segment, judge whether terminal equipment has the former download flow process downloaded, this former download flow process is the download flow process of the current broadcasting media file of terminal equipment); If have, then cloud server suspends former download flow process, starts the download of next data segment, and after next data segment is downloaded, cloud server recovers to perform former download flow process.If nothing, then cloud server directly starts the download of next data segment, and after next data segment is downloaded, cloud server terminates to download.
In the present embodiment, when user carries out broadcasting media file, as shown in Figures 2 and 3, while starting to play A1 or B1, according to index file, player judges whether follow-up A2 or B2 has downloaded to this locality, if no, so at the network connection speed arranged according to user, calculate the time T downloaded needed for A2 or B2.
When being also left T before A1 or B1 distance finishes, download request is sent to cloud service, high in the clouds judges whether current media file (file namely play) downloads end, if current media file downloads end, then directly starts the download of A2 or B2.Terminate when A2 or B2 downloads, then terminate to download flow process.
If current media file is being downloaded and do not downloaded complete, then cloud server time-out is jumping out former download flow process, starts the download of A2 or B2, and after A2 or B2 downloads, cloud server recovers to perform former download flow process.
And terminal equipment to download media file play time, receive the skip operation instruction of user, and the jump location indicated by skip operation instruction has downloaded complete data segment, if namely user have selected the skip operation of seek, if the position jumped to is just in time downloaded complete data slot, so follow-up flow process is with aforementioned S140 step.And when the jump location indicated by skip operation instruction is the data segment do not downloaded, then the position of terminal equipment indicated by index, sends the download request to this data segment, from the download of this fragment of cloud server request to cloud server.And by the media file data real-time storage of each download in terminal equipment.The data downloaded in the present embodiment will forever be retained in terminal equipment, only can occur once so identical data slot is downloaded.
Therefore, the transmission method of a kind of media file of the embodiment of the present invention, it can the calculating of equally loaded cloud server and terminal equipment and storage capacity, decreases the time that user waits for downloads, decrease the stand-by period of playback of media files, improve network utilization.
Based on above-described embodiment, the embodiment of the present invention additionally provides a kind of transmission system of media file, as shown in Figure 4, comprising: cloud server 200, and the multiple terminal equipments 300 be connected with cloud server 200;
Wherein, as shown in Figure 5, described cloud server 200 comprises:
Index is set up and data segmentation module 210, and for the media file of cloud server 200 is set up multiple index type according to different network connection speeds, media file is divided into multiple data segment by often kind of index type; Specifically as described in step S110.
Parsing module 220, for when there being the media file download request from terminal equipment 300, parsing the information that terminal equipment 300 network connects, and according to this network connection information, returning different index files to terminal equipment 300 from request; Specifically as described in step S120.
Data transmission module 230, for according to index file, will need the first data segment of downloads of media file and from remaining data section, select fractional transmission to terminal equipment 300; Specifically as described in step S130.
Wherein, the data transmission module 230 of described cloud server also comprises:
Judging unit, during for receiving the download request to next data segment that terminal equipment 300 sends, judges whether this terminal equipment 300 has the former download flow process downloaded; If have, then cloud server 200 suspends former download flow process, starts the download of next data segment, and after next data segment is downloaded, cloud server 200 recovers to perform former download flow process; If nothing, then cloud server 200 directly starts the download of next data segment, and after next data segment is downloaded, cloud server 200 terminates to download.
Described terminal equipment 300, for sending media file download request to cloud server 200, and downloads corresponding media file step by step from cloud server 200.Wherein, as shown in Figure 6, terminal equipment 300 comprises:
Download request module 310, the network that the operational order for receiving user selects current reality to use connects, and sends download request according to this network connection information to cloud server 200; As detailed above.
According to index file, play processing module 320, for being play the media file downloaded by player, and judges whether next data segment of current played data section is downloaded; As detailed above.
Time Calculation module 330, for when next data segment is not downloaded, calculates the time T downloaded needed for next data segment, is also left the time of T, sends the download request of next data segment, as detailed above to cloud server 200 before distance finishes.
Jump menu unit 340, for when terminal equipment 300 is play the media file downloaded, receive the skip operation instruction of user, the jump location indicated by skip operation instruction is selected to continue play or send download request to cloud server 200, as detailed above.
In sum, the transmission method of media file provided by the present invention and system, owing to have employed as media file sets up multiple index type according to different network connection speeds, media file is divided into multiple data segment and selects fractional transmission to terminal equipment by first data segment and from remaining data section by often kind of index type, and all data of media file will all not download to terminal equipment, by the program, the storage capacity that high in the clouds is powerful can be made full use of, by downloading flow and the crucial restraining factors of memory space these two, balancedly load beyond the clouds and equipment end, it can the calculating of equally loaded cloud server and terminal equipment and storage capacity, decrease time and downloading flow that user waits for downloads, decrease the stand-by period of playback of media files, improve network utilization, provide users with the convenient and save memory space for user.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to claims of the present invention.
Claims (10)
1. a transmission method for media file, is characterized in that, comprises step:
A, the media file of cloud server is set up multiple index type according to different network connection speeds, media file is divided into multiple data segment by often kind of index type; For the connection that network speed is slower, the index of foundation is to cut into thinner data segment for principle by media file, for network speed network connection faster, the index of foundation is to cut into thicker data segment for principle by media file;
B, when there being the media file download request from terminal equipment, from request, parsing the information that described terminal equipment network connects, and according to this network connection information, return different index files to terminal equipment;
C, according to described index file, will the first data segment of downloads of media file be needed and select fractional transmission to terminal equipment from remaining data section.
2. the transmission method of media file according to claim 1, is characterized in that, also comprise after described step C:
D1, described terminal equipment are play the media file downloaded, and judge whether next data segment of current played data section is downloaded according to index file;
If D2 does not download, then terminal equipment calculates the time T downloaded needed for next data segment, is also left the time of T before distance finishes, and described terminal equipment sends the download request to next data segment described to described cloud server;
If D3 downloads, then described terminal equipment is without operation.
3. the transmission method of media file according to claim 2, it is characterized in that, described step D2 also comprises:
D21, described cloud server receive the download request to next data segment described that described terminal equipment is sent, and judge whether described terminal equipment has the former download flow process downloaded;
If D22 has, then described cloud server suspends former download flow process, starts the download of next data segment described, and after next data segment described is downloaded, described cloud server recovers to perform former download flow process;
D23, if nothing, then described cloud server directly starts the download of next data segment described, and after next data segment described is downloaded, described cloud server terminates to download.
4. the transmission method of media file according to claim 2, is characterized in that, also comprise after described step C:
When D0, described terminal equipment are play the media file downloaded, receive the skip operation instruction of user, and the jump location indicated by described skip operation instruction has downloaded complete data segment, then return D1.
5. the transmission method of media file according to claim 4, it is characterized in that, described step D0 also comprises: the jump location indicated by described skip operation instruction is the data segment do not downloaded, the then position of terminal equipment indicated by index, sends the download request to this data segment to described cloud server.
6. according to the transmission method of the arbitrary described media file of claim 1-5, it is characterized in that, the media file data real-time storage be downloaded is in described terminal equipment.
7. a transmission system for media file, is characterized in that, comprising: cloud server, and the multiple terminal equipments be connected with cloud server;
Described cloud server comprises:
Index is set up and data segmentation module, and for the media file of cloud server is set up multiple index type according to different network connection speeds, media file is divided into multiple data segment by often kind of index type; For the connection that network speed is slower, the index of foundation is to cut into thinner data segment for principle by media file, for network speed network connection faster, the index of foundation is to cut into thicker data segment for principle by media file;
Parsing module, for when there being the media file download request from terminal equipment, parsing the information that described terminal equipment network connects, and according to this network connection information, returning different index files to terminal equipment from request;
Data transmission module, for according to described index file, will need the first data segment of downloads of media file and select fractional transmission to terminal equipment from remaining data section; Described terminal equipment, for sending media file download request to cloud server, and downloads corresponding media file step by step from cloud server.
8. the transmission system of media file according to claim 7, it is characterized in that, described terminal equipment comprises:
Download request module, the network that the operational order for receiving user selects current reality to use connects, and sends download request according to this network connection information to described cloud server;
According to index file, play processing module, for being play the media file downloaded by player, and judges whether next data segment of current played data section is downloaded;
Time Calculation module, for when next data segment described is not downloaded, calculates and downloads described time T needed for next data segment, be also left the time of T before distance finishes, send the download request of next data segment described to described cloud server.
9. the transmission system of media file according to claim 8, it is characterized in that, the data transmission module of described cloud server also comprises:
Judging unit, during for receiving the download request to next data segment described that terminal equipment sends, judges whether this terminal equipment has the former download flow process downloaded; If have, then described cloud server suspends former download flow process, starts the download of next data segment described, and after next data segment described is downloaded, described cloud server recovers to perform former download flow process; If nothing, then described cloud server directly starts the download of next data segment described, and after next data segment described is downloaded, described cloud server terminates to download.
10. the transmission system of media file according to claim 8, it is characterized in that, described terminal equipment also comprises:
Jumping menu unit, for when described terminal equipment is play the media file downloaded, receives the skip operation instruction of user, and the jump location indicated by described skip operation instruction is selected to continue to play or send download request to described cloud server.
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| CN103248660A (en) * | 2012-02-13 | 2013-08-14 | 深圳市腾讯计算机***有限公司 | Method and system for cloud subscription downloading |
| CN102737182B (en) * | 2012-06-11 | 2015-04-01 | 深圳市腾讯计算机***有限公司 | Cloud computing-based scanning method and device |
| CN103873567B (en) | 2014-03-03 | 2018-09-04 | 北京智谷睿拓技术服务有限公司 | The data transmission method and data transmission device of task based access control |
| CN104022962B (en) * | 2014-06-27 | 2017-12-12 | 宇龙计算机通信科技(深圳)有限公司 | Flow control methods and volume control device |
| CN105100964A (en) * | 2015-07-07 | 2015-11-25 | 安一恒通（北京）科技有限公司 | Multimedia content processing method, client and server |
| US10158983B2 (en) * | 2015-07-22 | 2018-12-18 | At&T Intellectual Property I, L.P. | Providing a summary of media content to a communication device |
| CN106657182B (en) * | 2015-10-30 | 2020-10-27 | 阿里巴巴集团控股有限公司 | Cloud file processing method and device |
| CN108513174A (en) * | 2018-03-30 | 2018-09-07 | 合肥联宝信息技术有限公司 | A kind of information processing method and electronic equipment |
| CN110740447A (en) * | 2019-10-22 | 2020-01-31 | 福州汇思博信息技术有限公司 | remote log grabbing method for Android terminal |
| CN110650217B (en) * | 2019-11-07 | 2021-01-05 | 江苏康融科技有限公司 | Load balancing method for download server |
| CN111614744A (en) * | 2020-05-15 | 2020-09-01 | 武汉麦子科技有限公司 | Large file downloading and transmitting method |
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