CN106254548A - A kind of method and device downloading stream medium data - Google Patents
A kind of method and device downloading stream medium data Download PDFInfo
- Publication number
- CN106254548A CN106254548A CN201610868011.0A CN201610868011A CN106254548A CN 106254548 A CN106254548 A CN 106254548A CN 201610868011 A CN201610868011 A CN 201610868011A CN 106254548 A CN106254548 A CN 106254548A
- Authority
- CN
- China
- Prior art keywords
- file
- medium data
- stream medium
- bit rate
- download address
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2387—Stream processing in response to a playback request from an end-user, e.g. for trick-play
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26208—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists the scheduling operation being performed under constraints
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Databases & Information Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention discloses a kind of method and device downloading stream medium data, download the purpose of stream medium data in order to the practical situation realized according to client neatly.Described method includes: receives the request downloading stream medium data, obtains the index file of stream medium data to be downloaded, wherein, at least include the download address of multiple code checks of the TS file that described stream medium data to be downloaded is corresponding in described index file；Obtain the relevant information that client is local, and determine target bit rate according to described relevant information；The download address of described target bit rate is chosen from the download address of the plurality of code check；Download address according to described target bit rate downloads described TS file.
Description
Technical field
The present invention relates to technical field of internet application, particularly to a kind of method and device downloading stream medium data.
Background technology
Streaming Media, is again streaming video, is the media broadcast of biography limit, limit, is multimedia one.Biography limit, limit is broadcast and is referred to media
Provider is while transmission over networks media, and user constantly receives and watches or listens to the media being transmitted.Stream matchmaker
The stream of body refers to the transmission means (mode of stream) of this media, and does not implies that media itself.
HTTP live Streaming (HLS) be Apple realize based on HTTP (Hypertext transfer
Protocol, HTML (Hypertext Markup Language)) Streaming transfer protocol, it is possible to achieve the broadcasting of Streaming Media.HLS is based on http protocol
Realizing, data stream is stored as continuous print, media file the longest at server end by HLS protocol, and transferring content includes two
Part, one be m3u8 file (be that a kind of of regulation in Apple's HLS protocol describes file, by text mode to media file
It is described, is made up of a series of labels)；Two is MPEG-TS (Moving Pictures Experts Group/Motion
Pictures Experts Group-Transport Stream, dynamic image Experts Group-Transport Stream) media file of form.
M3u8 file is the index file of the media file establishment for these MPEG-TS forms.Client is constantly downloaded and plays this
A little media files, are achieved that the broadcasting of Streaming Media.
Summary of the invention
The present invention provides a kind of method and device downloading stream medium data, in order to realize the practical situation according to client
Download the purpose of stream medium data neatly.
The present invention provides a kind of method downloading stream medium data, including:
Receive the request downloading stream medium data, obtain the index file of stream medium data to be downloaded, wherein, described index
File at least includes the download address of multiple code checks of the TS file that described stream medium data to be downloaded is corresponding；
Obtain the relevant information that client is local, and determine target bit rate according to described relevant information；
The download address of described target bit rate is chosen from the download address of the plurality of code check；
Download address according to described target bit rate downloads described TS file.
In an embodiment of the present invention, described relevant information includes ability value and/or the net of described client process data
Network bandwidth.
In an embodiment of the present invention, described index file is m3u8 file.
In an embodiment of the present invention, described method also includes:
When receiving from the request of the play stream media data of user, determine to receive and download asking of stream medium data
Ask.
In an embodiment of the present invention, after downloading described TS file according to the download address of described target bit rate, described
Method also includes:
Play the described TS file downloaded.
The present invention also provides for a kind of device downloading stream medium data, including:
Acquisition module, for receiving the request downloading stream medium data, obtains the index file of stream medium data to be downloaded,
Wherein, described index file at least includes the download ground of multiple code checks of TS file that described stream medium data to be downloaded is corresponding
Location；
Code check determines module, for obtaining the relevant information that client is local, and determines target according to described relevant information
Code check；
Choose module, for choosing the download address of described target bit rate from the download address of the plurality of code check；
Download module, downloads described TS file for the download address according to described target bit rate.
In an embodiment of the present invention, described relevant information includes ability value and/or the net of described client process data
Network bandwidth.
In an embodiment of the present invention, described index file is m3u8 file.
In an embodiment of the present invention, described device also includes:
Request determines module, for when receiving from the request of the play stream media data of user, determines and receives
Download the request of stream medium data.
In an embodiment of the present invention, described device also includes:
Playing module, for described download module according to the download address of described target bit rate download described TS file it
After, play the described TS file downloaded.
In embodiments of the present invention, receive the request downloading stream medium data, obtain the index of stream medium data to be downloaded
File, wherein, at least includes multiple code checks of the TS file that described stream medium data to be downloaded is corresponding in described index file
Download address；Obtain the relevant information that client is local, and determine target bit rate according to described relevant information；From the plurality of code
The download address of rate is chosen the download address of described target bit rate；Download address according to described target bit rate downloads described TS
File.As can be seen here, the embodiment of the present invention is capable of the practical situation according to client and downloads stream medium data neatly
Purpose.
Other features and advantages of the present invention will illustrate in the following description, and, partly become from description
Obtain it is clear that or understand by implementing the present invention.The purpose of the present invention and other advantages can be by the explanations write
Structure specifically noted in book, claims and accompanying drawing realizes and obtains.
Below by drawings and Examples, technical scheme is described in further detail.
Accompanying drawing explanation
Accompanying drawing is for providing a further understanding of the present invention, and constitutes a part for description, with the reality of the present invention
Execute example together for explaining the present invention, be not intended that limitation of the present invention.In the accompanying drawings:
Fig. 1 show in one embodiment of the invention the flow chart of the method downloading stream medium data；
Fig. 2 show in another embodiment of the present invention the flow chart of the method downloading stream medium data；
Fig. 3 show in one embodiment of the invention the structural representation of the device downloading stream medium data；
Fig. 4 show in another embodiment of the present invention the structural representation of the device downloading stream medium data；And
Fig. 5 show in further embodiment of this invention the structural representation of the device downloading stream medium data.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are illustrated, it will be appreciated that preferred reality described herein
Execute example be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Being illustrated in figure 1 in one embodiment of the invention the flow chart of the method downloading stream medium data, the method can be wrapped
Include following steps S11-S14.
Step S11, receives the request downloading stream medium data, obtains the index file of stream medium data to be downloaded, wherein,
Index file at least includes the download address of multiple code checks of the TS file that stream medium data to be downloaded is corresponding.
In this step, bit rate refers to bit (bit) number of transmission per second.Unit is bps (bit per second),
Bit rate is the highest, transmits data speed the fastest.Bit rate in sound refers to be converted into analoging sound signal digital sound message
After number, the binary data amount in the unit interval, is an index of indirect measure audio quality.Bit rate (code in video
Rate) principle is identical with sound, the binary data after being converted to digital signal by analogue signal, in the unit interval
Amount.
In chnnel coding, the information source data block of K symbol size is by the code word that coding mapping is N symbol size, then K/N becomes
For code check, wherein assume that the symbol table before and after coding is not changed in.
Further, index file can be m3u8 file, and it is that a kind of of regulation in Apple's HLS protocol describes literary composition
Part, is described media file (such as TS file) by text mode, is made up of a series of labels.
Step S12, obtains the relevant information that client is local, and determines target bit rate according to relevant information.
Step S13, chooses the download address of target bit rate from the download address of multiple code checks.
Step S14, downloads TS file according to the download address of target bit rate.
In embodiments of the present invention, receive the request downloading stream medium data, obtain the index of stream medium data to be downloaded
File, wherein, at least includes multiple code checks of the TS file that described stream medium data to be downloaded is corresponding in described index file
Download address；Obtain the relevant information that client is local, and determine target bit rate according to described relevant information；From the plurality of code
The download address of rate is chosen the download address of described target bit rate；Download address according to described target bit rate downloads described TS
File.As can be seen here, the embodiment of the present invention is capable of the practical situation according to client and downloads stream medium data neatly
Purpose.
The relevant information mentioned in above step S12 can include that the ability value of client process data is (such as CPU, internal memory
Deng), or the network bandwidth of client, or the ability value of client process data and the network bandwidth, etc., the present invention is to this
It is not restricted.
In the alternative embodiment of the present invention, when receiving from the request of the play stream media data of user, determine
Receive the request downloading stream medium data.
In the alternative embodiment of the present invention, download TS file in above step S14 according to the download address of target bit rate
Afterwards, the TS file of download can be play.
In the alternative embodiment of the present invention, client need not be again to server request, and each client can be according to certainly
Body situation is downloaded.
Below by a specific embodiment be discussed in detail the present invention download stream medium data method realize process.
Being illustrated in figure 2 in another embodiment of the present invention the flow chart of the method downloading stream medium data, the method can include following
Step S21-S26.
Step S21, when receiving from the request of the play stream media data of user, determines and receives download Streaming Media
The request of data.
Step S22, obtains the index file of stream medium data to be downloaded, wherein, at least includes to be downloaded in index file
The download address of multiple code checks of the TS file that stream medium data is corresponding.
Step S23, obtains the relevant information that client is local, and determines target bit rate according to relevant information.
In this step, relevant information can include the ability value (such as CPU, internal memory etc.) of client process data, or
The network bandwidth of client, or the ability value of client process data and the network bandwidth, etc., this is not limited by the present invention
System.
Step S24, chooses the download address of target bit rate from the download address of multiple code checks.
Step S25, downloads TS file according to the download address of target bit rate.
Step S26, plays the TS file downloaded.
The embodiment of the present invention is capable of the practical situation according to client, downloads the TS of suitable target bit rate neatly
File, and then play the TS file downloaded.
It should be noted that in actual applications, above-mentioned all optional embodiments can be any in the way of using combination
Combination, forms the alternative embodiment of the present invention, and this is no longer going to repeat them.
Corresponding to the method downloading stream medium data in above-described embodiment, the present invention also provides for a kind of download Streaming Media number
According to device.It is illustrated in figure 3 in one embodiment of the invention the structural representation of the device downloading stream medium data, including:
Acquisition module 31, for receiving the request downloading stream medium data, obtains the index literary composition of stream medium data to be downloaded
Part, wherein, at least includes in described index file under multiple code checks of the TS file that described stream medium data to be downloaded is corresponding
Set address；
Code check determines module 32, for obtaining the relevant information that client is local, and determines mesh according to described relevant information
Coding rate；
Choose module 33, for choosing the download address of described target bit rate from the download address of the plurality of code check；
Download module 34, downloads described TS file for the download address according to described target bit rate.
In an embodiment of the present invention, described relevant information includes ability value and/or the net of described client process data
Network bandwidth.
In an embodiment of the present invention, described index file is m3u8 file.
In an embodiment of the present invention, as shown in Figure 4, the device that figure 3 above is shown can also include:
Request determines module 41, for when receiving from the request of the play stream media data of user, determines reception
To the request downloading stream medium data.
In an embodiment of the present invention, as it is shown in figure 5, the device that figure 3 above is shown can also include:
Playing module 51, for downloading described TS literary composition at described download module 34 according to the download address of described target bit rate
After part, play the described TS file downloaded.
The said apparatus of the embodiment of the present invention: receive the request downloading stream medium data, obtain stream medium data to be downloaded
Index file, wherein, described index file at least includes the multiple of the TS file that described stream medium data to be downloaded is corresponding
The download address of code check；Obtain the relevant information that client is local, and determine target bit rate according to described relevant information；From described
The download address of multiple code checks is chosen the download address of described target bit rate；Download address according to described target bit rate is downloaded
Described TS file.As can be seen here, the embodiment of the present invention is capable of the practical situation according to client and downloads Streaming Media neatly
The purpose of data.
Those skilled in the art are it should be appreciated that embodiments of the invention can be provided as method, system or computer program
Product.Therefore, the reality in terms of the present invention can use complete hardware embodiment, complete software implementation or combine software and hardware
Execute the form of example.And, the present invention can use at one or more computers wherein including computer usable program code
The shape of the upper computer program implemented of usable storage medium (including but not limited to disk memory and optical memory etc.)
Formula.
The present invention is with reference to method, equipment (system) and the flow process of computer program according to embodiments of the present invention
Figure and/or block diagram describe.It should be understood that can the most first-class by computer program instructions flowchart and/or block diagram
Flow process in journey and/or square frame and flow chart and/or block diagram and/or the combination of square frame.These computer programs can be provided
Instruction arrives the processor of general purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce
A raw machine so that the instruction performed by the processor of computer or other programmable data processing device is produced for real
The device of the function specified in one flow process of flow chart or multiple flow process and/or one square frame of block diagram or multiple square frame now.
These computer program instructions may be alternatively stored in and computer or other programmable data processing device can be guided with spy
Determine in the computer-readable memory that mode works so that the instruction being stored in this computer-readable memory produces and includes referring to
Make the manufacture of device, this command device realize at one flow process of flow chart or multiple flow process and/or one square frame of block diagram or
The function specified in multiple square frames.
These computer program instructions also can be loaded in computer or other programmable data processing device so that at meter
Perform sequence of operations step on calculation machine or other programmable devices to produce computer implemented process, thus at computer or
The instruction performed on other programmable devices provides for realizing at one flow process of flow chart or multiple flow process and/or block diagram one
The step of the function specified in individual square frame or multiple square frame.
Obviously, those skilled in the art can carry out various change and the modification essence without deviating from the present invention to the present invention
God and scope.So, if these amendments of the present invention and modification belong to the scope of the claims in the present invention and equivalent technologies thereof
Within, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. the method downloading stream medium data, it is characterised in that including:
Receive the request downloading stream medium data, obtain the index file of stream medium data to be downloaded, wherein, described index file
In at least include the download address of multiple code checks of TS file that described stream medium data to be downloaded is corresponding；
Obtain the relevant information that client is local, and determine target bit rate according to described relevant information；
The download address of described target bit rate is chosen from the download address of the plurality of code check；
Download address according to described target bit rate downloads described TS file.
Method the most according to claim 1, it is characterised in that described relevant information includes described client process data
Ability value and/or the network bandwidth.
Method the most according to claim 1 and 2, it is characterised in that described index file is m3u8 file.
Method the most according to claim 1 and 2, it is characterised in that also include:
When receiving from the request of the play stream media data of user, determine and receive the request downloading stream medium data.
Method the most according to claim 1 and 2, it is characterised in that download institute according to the download address of described target bit rate
After stating TS file, described method also includes:
Play the described TS file downloaded.
6. the device downloading stream medium data, it is characterised in that including:
Acquisition module, for receiving the request downloading stream medium data, obtains the index file of stream medium data to be downloaded, its
In, described index file at least includes the download ground of multiple code checks of the TS file that described stream medium data to be downloaded is corresponding
Location；
Code check determines module, for obtaining the relevant information that client is local, and determines target bit rate according to described relevant information；
Choose module, for choosing the download address of described target bit rate from the download address of the plurality of code check；
Download module, downloads described TS file for the download address according to described target bit rate.
Device the most according to claim 6, it is characterised in that described relevant information includes described client process data
Ability value and/or the network bandwidth.
8. according to the device described in claim 6 or 7, it is characterised in that described index file is m3u8 file.
9. according to the device described in claim 6 or 7, it is characterised in that also include:
Request determines module, for when receiving from the request of the play stream media data of user, determines and receives download
The request of stream medium data.
10. according to the device described in claim 6 or 7, it is characterised in that also include:
Playing module, after downloading described TS file at described download module according to the download address of described target bit rate,
Play the described TS file downloaded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610868011.0A CN106254548A (en) | 2016-09-29 | 2016-09-29 | A kind of method and device downloading stream medium data |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610868011.0A CN106254548A (en) | 2016-09-29 | 2016-09-29 | A kind of method and device downloading stream medium data |
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| CN201610868011.0A Pending CN106254548A (en) | 2016-09-29 | 2016-09-29 | A kind of method and device downloading stream medium data |
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| CN108737355A (en) * | 2017-04-25 | 2018-11-02 | 中信国安广视网络有限公司 | Streaming media playing based on user bandwidth |
| WO2019140877A1 (en) * | 2018-01-17 | 2019-07-25 | 华为技术有限公司 | Multimedia file playback method and apparatus |
| CN111092929A (en) * | 2019-11-08 | 2020-05-01 | 北京字节跳动网络技术有限公司 | File issuing method and device and electronic equipment |
| CN114189715A (en) * | 2021-12-07 | 2022-03-15 | 北京奇艺世纪科技有限公司 | Download address switching method and related equipment |
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