CN106686036A - Multimedia data downloading method and system, client and server - Google Patents
Multimedia data downloading method and system, client and server Download PDFInfo
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- CN106686036A CN106686036A CN201510762818.1A CN201510762818A CN106686036A CN 106686036 A CN106686036 A CN 106686036A CN 201510762818 A CN201510762818 A CN 201510762818A CN 106686036 A CN106686036 A CN 106686036A
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- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000012544 monitoring process Methods 0.000 claims description 9
- 230000011218 segmentation Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 241001269238 Data Species 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
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- Computer Networks & Wireless Communication (AREA)
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- Information Transfer Between Computers (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a multimedia data downloading method. The method comprises the following steps that when the client detects that the network bandwidth is changed, a first code rate corresponding to the changed network bandwidth is determined; sub-segment data, which is downloaded at present, of a segment file of multimedia data is determined; the client monitors a boundary identification of the determined the sub-segment data; and when downloaded data reaches the boundary identification, the client downloads next sub-segment data corresponding to the segment file under the first code rate from a server. The invention also discloses the client, the server and a multimedia downloading system. According to the invention, the multimedia file is downloaded by switching the code rate rapidly according to the network bandwidth, and the code rate switching efficiency is improved.
Description
Technical field
The present invention relates to multimedia technology field, more particularly to a kind of method for downloading multimedia data, client
End, server and system.
Background technology
With the development of communication technology, the application of multimedia technology is more and more wider.Under multi-medium data
In load and playing process, if the network bandwidth there occurs change, download terminal has to wait for dividing for current download
Segment file is downloaded when completing, and could download the suitable next segmental file of code check according to the network bandwidth.Using
Traditional method for down loading often causes the switching of code check to lag behind the change of client network bandwidth, code check
The poor real of switching, and then cause Consumer's Experience to reduce.
Therefore, in existing multi-medium data downloading process, how to improve when the network bandwidth changes
The problem of code check switching efficiency, problems demand inventor in this respect solves.
The above is only used for auxiliary and understands technical scheme, does not represent and recognizes that the above is
Prior art.
The content of the invention
Present invention is primarily targeted at solving in existing multi-medium data downloading process, to work as the network bandwidth
How the problem of code check switching efficiency is improved when changing.
For achieving the above object, the present invention provides a kind of method for downloading multimedia data, the multimedia number
Comprise the following steps according to method for down loading：
Client is when detecting the network bandwidth and changing, it is determined that the network bandwidth after change corresponding the
One code check, and determine the sub- segment data of the segmental file of the multi-medium data currently downloaded；
The boundary marking of sub- segment data determined by the client control；
The client downloads described first when the data downloaded reach the boundary marking from server
The next sub- segment data of corresponding segments file under code check.
Preferably, the client is downloaded when the data downloaded reach the boundary marking from server
Include the step of next sub- segment data of corresponding segments file under first code check：
The client calculates right under first code check when the data downloaded reach the boundary marking
Answer the position of the next sub- segment data of segmental file；
The client generates first request according to the positional information for calculating；
The client sends the described first request to the server, and receives the server return
First code check under corresponding segments file next sub- segment data.
Preferably, the client is when detecting the network bandwidth and changing, it is determined that the network after change
Corresponding first code check of bandwidth, and determine the son point of the segmental file of the multi-medium data currently downloaded
Before the step of segment data, also include：
The client sends second and asks to the server, to download many matchmakers from the server
The index file of volume data；
The client receives the index file that the server is returned；
The client sends a request to successively the server according to the index file, and receives described
Each segmental file under the second code check that server is returned.
Preferably, the client is downloaded when the data downloaded reach the boundary marking from server
Under first code check the step of next sub- segment data of corresponding segments file after, also include：
The next sub- segment data of client corresponding segments file under first code check is downloaded and completed
When, the sub- segment data downloaded is played according to first code check.
Preferably, the client sends second and asks to the server, to download from the server
Before the step of index file of the multi-medium data, also include：
The server generates index file and multiple segmental files according to the multi-medium data；
The server adds corresponding decoded information in the original position of each segmental file；
The server is identified according to each described decoded information and can carry out in corresponding segments file code check
The sub- segment data of switching；
The server adds the positional information of each sub- segment data into the index file, for visitor
Family end carries out code check switching according to the network bandwidth when downloading the multi-medium data between sub- segment data.
Additionally, for achieving the above object, the present invention also provides a kind of client, and the client includes：
Determining module, for when detecting the network bandwidth and changing, it is determined that the network bandwidth after change
Corresponding first code check, and determine the sub- segments of the segmental file of the multi-medium data currently downloaded
According to；
Monitoring module, for the boundary marking of sub- segment data determined by monitoring；
Download module, during for reaching the boundary marking in the data downloaded, downloads described from server
The next sub- segment data of corresponding segments file under first code check.
Preferably, the download module includes computing unit, signal generating unit and receiving unit；
Computing unit, during for reaching the boundary marking in the data downloaded, calculates first code check
The position of the next sub- segment data of lower corresponding segments file；
Signal generating unit, for generating first request according to the positional information for calculating；
Receiving unit, for the described first request to be sent to the server, and receives the server
The next sub- segment data of corresponding segments file under first code check for returning.
Preferably, the download module, is additionally operable to send and second asks to the server, with from described
Server downloads the index file of the multi-medium data；
The download module, is additionally operable to receive the index file that the server is returned；
The download module, is additionally operable to send a request to the server successively according to the index file,
And receive each segmental file under the second code check that the server is returned.
Preferably, the client also includes playing module；
The playing module, for the next sub- segment data of the corresponding segments file under first code check
When download is completed, the sub- segment data downloaded is played according to first code check.
Additionally, for achieving the above object, the present invention also provides a kind of server, and the server includes：
Generation module, for generating index file and multiple segmental files according to the multi-medium data；
Add module, for adding corresponding decoded information in the original position of each segmental file；
Mark module, can be carried out for being identified in corresponding segments file according to each described decoded information
The sub- segment data of code check switching；
The add module, is additionally operable to add the positional information of each sub- segment data to the index file
In, for being carried out between sub- segment data according to the network bandwidth during multi-medium data described in client downloads
Code check switches.
Additionally, for achieving the above object, the present invention also provides a kind of multi-media data downloading system, described
Multi-media data downloading system includes client as above and server as above.
The present invention is monitored when multi-medium data is downloaded to the network bandwidth, is detecting the network bandwidth
When changing, the sub- segment data download for waiting the segmental file of the current multi-medium data downloaded is completed,
Another code check is can switch to, the next sub- segment data of corresponding segmental file under another code check is downloaded.
All download without waiting for the segmental file currently downloaded and complete, you can quickly carry out code check switching.
Simultaneously corresponding code check is determined according to the network bandwidth after change, realize and be switched fast according to the network bandwidth
Code check carries out the download of multimedia file, improves code check switching efficiency.
Description of the drawings
Fig. 1 is the schematic flow sheet of the first embodiment of method for downloading multimedia data of the present invention；
Fig. 2 is the schematic flow sheet of the second embodiment of method for downloading multimedia data of the present invention；
Fig. 3 is the schematic flow sheet of the 3rd embodiment of method for downloading multimedia data of the present invention；
Fig. 4 is the schematic flow sheet of the fourth embodiment of method for downloading multimedia data of the present invention；
Fig. 5 is the high-level schematic functional block diagram of the first embodiment of client of the present invention；
Fig. 6 is the high-level schematic functional block diagram of the second embodiment of client of the present invention；
Fig. 7 is the high-level schematic functional block diagram of the preferred embodiment of server of the present invention；
Fig. 8 is the high-level schematic functional block diagram of the preferred embodiment of multi-media data downloading system of the present invention.
The realization of the object of the invention, functional characteristics and advantage will be done referring to the drawings further in conjunction with the embodiments
Explanation.
Specific embodiment
It should be appreciated that specific embodiment described herein is not used to limit only to explain the present invention
The fixed present invention.
The primary solutions of the embodiment of the present invention are：Client when detecting the network bandwidth and changing,
It is determined that corresponding first code check of the network bandwidth after change, and determine the multi-medium data currently downloaded
Segmental file sub- segment data；The boundary marking of sub- segment data determined by the client control；
The client downloads first code check when the data downloaded reach the boundary marking from server
The next sub- segment data of lower corresponding segments file.
In existing multi-medium data downloading process, how to improve code check when the network bandwidth changes and cut
Change the problem of efficiency.
Based on the problems referred to above, the present invention provides a kind of method for downloading multimedia data.
With reference to Fig. 1, Fig. 1 is the schematic flow sheet of the first embodiment of method for downloading multimedia data of the present invention.
In the present embodiment, the method for downloading multimedia data includes：
Step S10, client is when detecting the network bandwidth and changing, it is determined that the network bandwidth after change
Corresponding first code check, and determine the sub- segments of the segmental file of the multi-medium data currently downloaded
According to；
The client is the terminal unit downloaded for multi-medium data, and the client can be such as
Mobile phone, smart phone, notebook computer, PDA (personal digital assistant), PAD (panel computer),
The mobile terminal of PMP (portable media player) etc. and such as numeral TV, desk computer
Etc. fixed terminal.
The multi-medium data is stored in server, so that client is downloaded.The multi-medium data
Including the multiple segmental files under index file and different code checks.In embodiments of the present invention, described in each
Segmental file includes many sub- segment datas.
The client determines when detecting the network bandwidth and changing according to the index file downloaded
Corresponding first code check of the network bandwidth after change, and determine dividing for the multi-medium data currently downloaded
The sub- segment data of segment file.First code check is the corresponding code check of the network bandwidth after change, herein
Use the description of " first " only for being conducive to explanation of the invention, itself do not have specific meaning.
For example：Segmental file under the client downloads 800kbps code check, detects network and changes, and becomes
The network bandwidth after change meets 2000kbps code checks, then correspondence under the client downloads 2000kbps code check
Segmental file.
Step S20, the boundary marking of sub- segment data determined by the client control；
The boundary marking is for judging the labelling of sub- segment data scope in segmental file.Preferably,
The boundary marking can include origin identification and end of identification, in the present embodiment, currently download
Sub- segment data boundary marking be the sub- segment data end of identification.
Step S30, the client is downloaded when the data downloaded reach the boundary marking from server
The next sub- segment data of corresponding segments file under first code check.
The client is when the data downloaded reach the boundary marking, it is determined that the current son segmentation downloaded
Data are downloaded and completed, and the client downloads described first according to the index file downloaded from server
The next sub- segment data of corresponding segments file under code check.Next sub- segment data herein, is according to rope
The order of setting has currently downloaded the corresponding next sub- segment data of the sub- segment data for completing in quotation part.
Specifically, for example：The first sub- segment data under 800kbps code checks is downloaded when completing, and carries out code check
Switching, downloads the second sub- segment data under 2000kbps code checks, and under 2000kbps code checks first is sub
Segment data is corresponding with the first sub- segment data under 800kbps code checks, and only code check is different.
Further, the client can be with next son of the corresponding segments file under first code check
Segment data is downloaded when completing, and the sub- segment data downloaded is played according to first code check.
The present embodiment is monitored when multi-medium data is downloaded to the network bandwidth, is detecting Netowrk tape
When width changes, the sub- segment data for waiting the segmental file of the current multi-medium data downloaded has been downloaded
Into, you can another code check is switched to, the next sub- segments of corresponding segmental file under another code check is downloaded
According to.All download without waiting for the segmental file currently downloaded and complete, you can quickly carry out code check and cut
Change.Simultaneously corresponding code check is determined according to the network bandwidth after change, realized quick according to the network bandwidth
Switching code rate carries out the download of multimedia file, improves code check switching efficiency.
With reference to Fig. 2, Fig. 2 is the schematic flow sheet of the second embodiment of method for downloading multimedia data of the present invention.
Based on the first embodiment of above-mentioned method for downloading multimedia data, step S30 includes：
Step S31, the client calculates described first when the data downloaded reach the boundary marking
The position of the next sub- segment data of corresponding segments file under code check；
The client download data reach the boundary marking when, according to the index file downloaded
Calculate the position of the next sub- segment data of corresponding segments file under first code check.It should be appreciated that
The positional information of each sub- segment data is preserved in the index file of the multimedia file.The position
Information is the positional information of the sub- segment data storage.
Step S32, the client generates first request according to the positional information for calculating；
The client generates first request according to the positional information for calculating, to from the service
Device downloads the next sub- segment data of corresponding segments file under first code check.Or, the client
The positional information for calculating can also be added into the described first request, and will be containing the positional information
First request send to server.
Step S33, the client sends the described first request to the server, and receives the clothes
The next sub- segment data of corresponding segments file under first code check that business device is returned.
The client sends the described first request to the server, so that the server is being received
When the described first request, the next sub- segment data of corresponding segments file under first code check is returned.
The client receives the sub- segment data that the server is returned.Preferably, the server can be
When receiving first request, first by the next sub- segmentation text of corresponding segments file under first code check
The corresponding decoded information of part is sent to the client, then corresponding sub- segment data is sent to into the visitor
Family end.
Next sub- segment data of the present embodiment after being changed by calculating network bandwidth under corresponding code check
Position, according to positional information generate first ask, and by generate first request send to server,
To download the sub- segment data of correspondence position from server, realize according to the network bandwidth in sub- segment data
Between quickly switch over code check, improve code check switching efficiency.
With reference to Fig. 3, Fig. 3 is the schematic flow sheet of the 3rd embodiment of method for downloading multimedia data of the present invention.
Based on the first embodiment of above-mentioned method for downloading multimedia data, before step S10, also include：
Step S11, the client sends second and asks to the server, to download from the server
The index file of the multi-medium data；
Step S12, the client receives the index file that the server is returned；
Step S13, the client sends a request to successively the server according to the index file, and
Receive each segmental file under the second code check that the server is returned.
Including the position letter of the segmental file under each code check of the multimedia file in the index file
Breath, the positional information of the sub- segment data of each segmental file and the corresponding network bandwidth number of each code check
According to.The client sends second and asks to the server in downloading multimedia file, first, with
The index file of the multi-medium data is downloaded from the server；The client receives the server
The index file of return；The client sends a request to successively the server according to the index file,
To download each segmental file of the multimedia file successively from the server；The client receives institute
The each segmental file under the second code check of server return is stated, and is played out according to the second code check.
The present embodiment first downloads the index file of multi-medium data, according to rope when multi-medium data is downloaded
The sub- segment data of quotation part each segmental file of downloading multimedia file successively, to net in downloading process
Network bandwidth is monitored, and when detecting the network bandwidth and changing, waits the current multimedia number downloaded
According to the sub- segment data of segmental file download and complete, you can switch to another code check, download another code check
Under corresponding segmental file next sub- segment data.It is complete without waiting for the segmental file currently downloaded
Subordinate carries and completes, you can carry out code check switching.Simultaneously corresponding code is determined according to the network bandwidth after change
Rate, realizes and is switched fast code check according to the network bandwidth and carries out the download of multimedia file, improves code check
Switching efficiency.
With reference to Fig. 4, Fig. 4 is the schematic flow sheet of the fourth embodiment of method for downloading multimedia data of the present invention.
Based on the first embodiment of above-mentioned method for downloading multimedia data, before step S11, also include：
Step S100, the server generates index file and multiple segmentations text according to the multi-medium data
Part；
Step S101, the server adds corresponding decoded information in the original position of each segmental file；
Step S102, the server is identified according to each described decoded information can in corresponding segments file
To carry out the sub- segment data of code check switching；
Step S103, the server adds the positional information of each sub- segment data to the index file
In, for being carried out between sub- segment data according to the network bandwidth during multi-medium data described in client downloads
Code check switches.
The server generates index file and multiple segmental files according to the multi-medium data；The clothes
Business device adds corresponding decoded information in the original position of each segmental file；The server analysis each
Segmental file, identifies according to each described decoded information and can carry out in corresponding segments file code check switching
Sub- segment data；The server adds the positional information of each sub- segment data to the index file
In, for being carried out between sub- segment data according to the network bandwidth during multi-medium data described in client downloads
Code check switches.
Further, the server is when the multi-medium data download request of client is received, according to
Corresponding multi-medium data is sent to the client by the request for receiving.
The present embodiment passes through server by multi-medium data generation index file and multiple segmental files, and
Identifying in segmental file can carry out the sub- segmenting unit of code check switching, and by each sub- segmenting unit
Positional information adds into index file.So that when multi-medium data is downloaded, carrying out to the network bandwidth
Monitoring, when detecting the network bandwidth and changing, waits the segmentation text of the current multi-medium data downloaded
The sub- segment data of part is downloaded and completed, you can switch to another code check, is downloaded corresponding point under another code check
The next sub- segment data of segment file.All download without waiting for the segmental file currently downloaded and complete,
Code check switching can be carried out.Simultaneously corresponding code check is determined according to the network bandwidth after change, realize root
Being switched fast code check according to the network bandwidth carries out the download of multimedia file, improves code check switching efficiency.
The present invention further provides a kind of client.
With reference to Fig. 5, Fig. 5 is the high-level schematic functional block diagram of the first embodiment of client of the present invention.
In the present embodiment, the client includes：Determining module 10, monitoring module 20 and download module
30。
The determining module 10, for when detecting the network bandwidth and changing, it is determined that the net after change
Corresponding first code check of network bandwidth, and determine the son of the segmental file of the multi-medium data currently downloaded
Segment data；
The client is the terminal unit downloaded for multi-medium data, and the client can be such as
Mobile phone, smart phone, notebook computer, PDA (personal digital assistant), PAD (panel computer),
The mobile terminal of PMP (portable media player) etc. and such as numeral TV, desk computer
Etc. fixed terminal.
The multi-medium data is stored in server, so that client is downloaded.The multi-medium data
Including the multiple segmental files under index file and different code checks.In embodiments of the present invention, described in each
Segmental file includes many sub- segment datas.
The client determines when detecting the network bandwidth and changing according to the index file downloaded
Corresponding first code check of the network bandwidth after change, and determine dividing for the multi-medium data currently downloaded
The sub- segment data of segment file.First code check is the corresponding code check of the network bandwidth after change, herein
Use the description of " first " only for being conducive to explanation of the invention, itself do not have specific meaning.
For example：Segmental file under the client downloads 800kbps code check, detects network and changes, and becomes
The network bandwidth after change meets 2000kbps code checks, then correspondence under the client downloads 2000kbps code check
Segmental file.
The monitoring module 20, for the boundary marking of sub- segment data determined by monitoring；
The boundary marking is for judging the labelling of sub- segment data scope in segmental file.Preferably,
The boundary marking can include origin identification and end of identification, in the present embodiment, currently download
Sub- segment data boundary marking be the sub- segment data end of identification.
The download module 30, during for reaching the boundary marking in the data downloaded, under server
Carry the next sub- segment data of corresponding segments file under first code check.
The client is when the data downloaded reach the boundary marking, it is determined that the current son segmentation downloaded
Data are downloaded and completed, and the client downloads described first according to the index file downloaded from server
The next sub- segment data of corresponding segments file under code check.Next sub- segment data herein, is according to rope
The order of setting has currently downloaded the corresponding next sub- segment data of the sub- segment data for completing in quotation part.
Specifically, for example：The first sub- segment data under 800kbps code checks is downloaded when completing, and carries out code check
Switching, downloads the second sub- segment data under 2000kbps code checks, and under 2000kbps code checks first is sub
Segment data is corresponding with the first sub- segment data under 800kbps code checks, and only code check is different.
Further, the client can also include playing module；The playing module, in institute
When the next sub- segment data download for stating corresponding segments file under the first code check is completed, according to described first yard
Rate plays the sub- segment data downloaded.
The present embodiment is monitored when multi-medium data is downloaded to the network bandwidth, is detecting Netowrk tape
When width changes, the sub- segment data for waiting the segmental file of the current multi-medium data downloaded has been downloaded
Into, you can another code check is switched to, the next sub- segments of corresponding segmental file under another code check is downloaded
According to.All download without waiting for the segmental file currently downloaded and complete, you can quickly carry out code check and cut
Change.Simultaneously corresponding code check is determined according to the network bandwidth after change, realized quick according to the network bandwidth
Switching code rate carries out the download of multimedia file, improves code check switching efficiency.
With reference to Fig. 6, Fig. 6 is the high-level schematic functional block diagram of the second embodiment of client of the present invention.Based on upper
The first embodiment of client is stated, the download module 30 includes computing unit 31, the and of signal generating unit 32
Receiving unit 33；
Computing unit 31, during for reaching the boundary marking in the data downloaded, calculates described first yard
The position of the next sub- segment data of corresponding segments file under rate；
The client download data reach the boundary marking when, according to the index file downloaded
Calculate the position of the next sub- segment data of corresponding segments file under first code check.It should be appreciated that
The positional information of each sub- segment data is preserved in the index file of the multimedia file.The position
Information is the positional information of the sub- segment data storage.
Signal generating unit 32, for generating first request according to the positional information for calculating；
The client generates first request according to the positional information for calculating, to from the service
Device downloads the next sub- segment data of corresponding segments file under first code check.Or, the client
The positional information for calculating can also be added into the described first request, and will be containing the positional information
First request send to server.
Receiving unit 33, for the described first request to be sent to the server, and receives the service
The next sub- segment data of corresponding segments file under first code check that device is returned.
The client sends the described first request to the server, so that the server is being received
When the described first request, the next sub- segment data of corresponding segments file under first code check is returned.
The client receives the sub- segment data that the server is returned.Preferably, the server can be
When receiving first request, first by the next sub- segmentation text of corresponding segments file under first code check
The corresponding decoded information of part is sent to the client, then corresponding sub- segment data is sent to into the visitor
Family end.
Next sub- segment data of the present embodiment after being changed by calculating network bandwidth under corresponding code check
Position, according to positional information generate first ask, and by generate first request send to server,
To download the sub- segment data of correspondence position from server, realize according to the network bandwidth in sub- segment data
Between quickly switch over code check, improve code check switching efficiency.
Further, the download module 30, is additionally operable to send and second asks to the server, with from
The server downloads the index file of the multi-medium data；
The download module 30, is additionally operable to receive the index file that the server is returned；
The download module 30, is additionally operable to send a request to the server successively according to the index file,
And receive each segmental file under the second code check that the server is returned.
Including the position letter of the segmental file under each code check of the multimedia file in the index file
Breath, the positional information of the sub- segment data of each segmental file and the corresponding network bandwidth number of each code check
According to.The client sends second and asks to the server in downloading multimedia file, first, with
The index file of the multi-medium data is downloaded from the server；The client receives the server
The index file of return；The client sends a request to successively the server according to the index file,
To download each segmental file of the multimedia file successively from the server；The client receives institute
The each segmental file under the second code check of server return is stated, and is played out according to the second code check.
The present embodiment first downloads the index file of multi-medium data, according to rope when multi-medium data is downloaded
The sub- segment data of quotation part each segmental file of downloading multimedia file successively, to net in downloading process
Network bandwidth is monitored, and when detecting the network bandwidth and changing, waits the current multimedia number downloaded
According to the sub- segment data of segmental file download and complete, you can switch to another code check, download another code check
Under corresponding segmental file next sub- segment data.It is complete without waiting for the segmental file currently downloaded
Subordinate carries and completes, you can carry out code check switching.Simultaneously corresponding code is determined according to the network bandwidth after change
Rate, realizes and is switched fast code check according to the network bandwidth and carries out the download of multimedia file, improves code check
Switching efficiency.
The present invention further provides a kind of server.
With reference to Fig. 7, Fig. 7 is the high-level schematic functional block diagram of the preferred embodiment of server of the present invention.
In the present embodiment, the server includes：Generation module 100, add module 101 and mark mould
Block 103；
The generation module 100, for generating index file and multiple segmentations text according to the multi-medium data
Part；
The add module 101, in the corresponding decoding letter of the original position of each segmental file addition
Breath；
The mark module 102, can in corresponding segments file for being identified according to each described decoded information
To carry out the sub- segment data of code check switching；
The add module 102, is additionally operable to add the positional information of each sub- segment data to the index text
In part, for being entered between sub- segment data according to the network bandwidth during multi-medium data described in client downloads
Row code check switches.
The server generates index file and multiple segmental files according to the multi-medium data；The clothes
Business device adds corresponding decoded information in the original position of each segmental file；The server analysis each
Segmental file, identifies according to each described decoded information and can carry out in corresponding segments file code check switching
Sub- segment data；The server adds the positional information of each sub- segment data to the index file
In, for being carried out between sub- segment data according to the network bandwidth during multi-medium data described in client downloads
Code check switches.
Further, the server can also include sending module；The sending module, for connecing
When receiving the multi-medium data download request of client, according to the request for receiving by corresponding multimedia number
According to being sent to the client.
The present embodiment passes through server by multi-medium data generation index file and multiple segmental files, and
Identifying in segmental file can carry out the sub- segmenting unit of code check switching, and by each sub- segmenting unit
Positional information adds into index file.So that when multi-medium data is downloaded, carrying out to the network bandwidth
Monitoring, when detecting the network bandwidth and changing, waits the segmentation text of the current multi-medium data downloaded
The sub- segment data of part is downloaded and completed, you can switch to another code check, is downloaded corresponding point under another code check
The next sub- segment data of segment file.All download without waiting for the segmental file currently downloaded and complete,
Code check switching can be carried out.Simultaneously corresponding code check is determined according to the network bandwidth after change, realize root
Being switched fast code check according to the network bandwidth carries out the download of multimedia file, improves code check switching efficiency.
The present invention further provides a kind of multi-media data downloading system.
With reference to Fig. 8, Fig. 8 is that the functional module of the preferred embodiment of multi-media data downloading system of the present invention is shown
It is intended to.
In the present embodiment, the multi-media data downloading system includes client as above and as above
Described server.Specific features reference above-described embodiment of the client and the server, due to
This multi-medium data employs whole technical schemes of above-mentioned all embodiments, therefore at least has above-mentioned reality
All beneficial effects that the technical scheme of example is brought are applied, this is no longer going to repeat them.
It should be noted that herein, term " including ", "comprising" or its any other variant
Be intended to including for nonexcludability so that process, method, article including a series of key elements or
Person's device not only includes those key elements, but also including other key elements being not expressly set out, or also
Including the key element intrinsic for this process, method, article or device.In the feelings without more restrictions
Under condition, the key element limited by sentence "including a ...", it is not excluded that including the key element process,
Also there is other identical element in method, article or device.
The embodiments of the present invention are for illustration only, do not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art can be understood that above-mentioned
Embodiment method can add the mode of required general hardware platform to realize by software, naturally it is also possible to logical
Cross hardware, but in many cases the former is more preferably embodiment.It is of the invention based on such understanding
The part that technical scheme substantially contributes in other words to prior art can in the form of software product body
Reveal and, the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disc, light
Disk) in, including some instructions are used so that a station terminal equipment (can be mobile phone, computer is serviced
Device, air-conditioner, or network equipment etc.) perform method described in each embodiment of the invention.
The preferred embodiments of the present invention are these are only, the scope of the claims of the present invention is not thereby limited, it is every
The equivalent structure made using description of the invention and accompanying drawing content or equivalent flow conversion, or directly or
Connect and be used in other related technical fields, be included within the scope of the present invention.
Claims (11)
1. a kind of method for downloading multimedia data, it is characterised in that the method for downloading multimedia data bag
Include following steps：
Client is when detecting the network bandwidth and changing, it is determined that the network bandwidth after change corresponding the
One code check, and determine the sub- segment data of the segmental file of the multi-medium data currently downloaded；
The boundary marking of sub- segment data determined by the client control；
The client downloads described first when the data downloaded reach the boundary marking from server
The next sub- segment data of corresponding segments file under code check.
2. method for downloading multimedia data as claimed in claim 1, it is characterised in that the client
When the data downloaded reach the boundary marking, from server corresponding segments under first code check are downloaded
The step of next sub- segment data of file, includes：
The client calculates right under first code check when the data downloaded reach the boundary marking
Answer the position of the next sub- segment data of segmental file；
The client generates first request according to the positional information for calculating；
The client sends the described first request to the server, and receives the server return
First code check under corresponding segments file next sub- segment data.
3. method for downloading multimedia data as claimed in claim 1, it is characterised in that the client
When detecting the network bandwidth and changing, it is determined that corresponding first code check of the network bandwidth after change, and
It is determined that before the step of sub- segment data of the segmental file of the multi-medium data currently downloaded, also wrapping
Include：
The client sends second and asks to the server, to download many matchmakers from the server
The index file of volume data；
The client receives the index file that the server is returned；
The client sends a request to successively the server according to the index file, and receives described
Each segmental file under the second code check that server is returned.
4. the method for downloading multimedia data as described in any one of claims 1 to 3, it is characterised in that
The client downloads first code check when the data downloaded reach the boundary marking from server
After the step of next sub- segment data of lower corresponding segments file, also include：
The next sub- segment data of client corresponding segments file under first code check is downloaded and completed
When, the sub- segment data downloaded is played according to first code check.
5. method for downloading multimedia data as claimed in claim 3, it is characterised in that the client
Send second to ask to the server, to download the index text of the multi-medium data from the server
Before the step of part, also include：
The server generates index file and multiple segmental files according to the multi-medium data；
The server adds corresponding decoded information in the original position of each segmental file；
The server is identified according to each described decoded information and can carry out in corresponding segments file code check
The sub- segment data of switching；
The server adds the positional information of each sub- segment data into the index file, for visitor
Family end carries out code check switching according to the network bandwidth when downloading the multi-medium data between sub- segment data.
6. a kind of client, it is characterised in that the client includes：
Determining module, for when detecting the network bandwidth and changing, it is determined that the network bandwidth after change
Corresponding first code check, and determine the sub- segments of the segmental file of the multi-medium data currently downloaded
According to；
Monitoring module, for the boundary marking of sub- segment data determined by monitoring；
Download module, during for reaching the boundary marking in the data downloaded, downloads described from server
The next sub- segment data of corresponding segments file under first code check.
7. client as claimed in claim 6, it is characterised in that the download module includes calculating single
Unit, signal generating unit and receiving unit；
Computing unit, during for reaching the boundary marking in the data downloaded, calculates first code check
The position of the next sub- segment data of lower corresponding segments file；
Signal generating unit, for generating first request according to the positional information for calculating；
Receiving unit, for the described first request to be sent to the server, and receives the server
The next sub- segment data of corresponding segments file under first code check for returning.
8. client as claimed in claim 6, it is characterised in that the download module, is additionally operable to send out
The second request is sent to the server, to download the index file of the multi-medium data from the server；
The download module, is additionally operable to receive the index file that the server is returned；
The download module, is additionally operable to send a request to the server successively according to the index file,
And receive each segmental file under the second code check that the server is returned.
9. client as claimed in claim 6, it is characterised in that the client also includes playing mould
Block；
The playing module, for the next sub- segment data of the corresponding segments file under first code check
When download is completed, the sub- segment data downloaded is played according to first code check.
10. a kind of server, it is characterised in that the server includes：
Generation module, for generating index file and multiple segmental files according to the multi-medium data；
Add module, for adding corresponding decoded information in the original position of each segmental file；
Mark module, can be carried out for being identified in corresponding segments file according to each described decoded information
The sub- segment data of code check switching；
The add module, is additionally operable to add the positional information of each sub- segment data to the index file
In, for being carried out between sub- segment data according to the network bandwidth during multi-medium data described in client downloads
Code check switches.
A kind of 11. multi-media data downloading systems, it is characterised in that the multi-media data downloading system
Including the client as described in any one of claim 6 to 9 and server as claimed in claim 10.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510762818.1A CN106686036A (en) | 2015-11-10 | 2015-11-10 | Multimedia data downloading method and system, client and server |
| PCT/CN2016/105164 WO2017080450A1 (en) | 2015-11-10 | 2016-11-09 | Multi-media data download method, client, server, system and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510762818.1A CN106686036A (en) | 2015-11-10 | 2015-11-10 | Multimedia data downloading method and system, client and server |
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| CN106686036A true CN106686036A (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510762818.1A Pending CN106686036A (en) | 2015-11-10 | 2015-11-10 | Multimedia data downloading method and system, client and server |
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| Country | Link |
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| CN (1) | CN106686036A (en) |
| WO (1) | WO2017080450A1 (en) |
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| CN110213653A (en) * | 2019-06-14 | 2019-09-06 | 北京奇艺世纪科技有限公司 | A kind of method and device playing video |
| CN110324681A (en) * | 2019-07-08 | 2019-10-11 | 广州酷狗计算机科技有限公司 | Dicing method, device, storage medium and the Transmission system of multi-medium data |
| CN113259729A (en) * | 2020-02-10 | 2021-08-13 | 北京字节跳动网络技术有限公司 | Data switching method, server, system and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110121100B (en) * | 2019-05-28 | 2022-03-15 | 平安科技（深圳）有限公司 | Method, device, terminal and computer readable storage medium for downloading media file |
| CN117560525B (en) * | 2024-01-11 | 2024-04-19 | 腾讯科技（深圳）有限公司 | Data processing method, device, equipment and readable storage medium |
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Also Published As
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| WO2017080450A1 (en) | 2017-05-18 |
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