CN105472403A - Cloud service framework implementation method and system for supporting adaptive mobile streaming media - Google Patents
Cloud service framework implementation method and system for supporting adaptive mobile streaming media Download PDFInfo
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- CN105472403A CN105472403A CN201510896920.0A CN201510896920A CN105472403A CN 105472403 A CN105472403 A CN 105472403A CN 201510896920 A CN201510896920 A CN 201510896920A CN 105472403 A CN105472403 A CN 105472403A
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- 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
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
- H04N21/23106—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion involving caching operations
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- 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
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
- H04N21/23103—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion using load balancing strategies, e.g. by placing or distributing content on different disks, different memories or different servers
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
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- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/8543—Content authoring using a description language, e.g. Multimedia and Hypermedia information coding Expert Group [MHEG], eXtensible Markup Language [XML]
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention discloses a cloud service framework implementation method and system for supporting adaptive mobile streaming media. The method comprises the following steps: step A, collecting video indexes with a high access amount, recoding video files corresponding to various video indexes and converting the video files into DASH video clipsand caching the DASH video clipsto a video buffer module; step B, when a user requests a video streaming for a cloud server through a mobile terminal, creating a private proxy module by the cloud server, and acquiring the requested DASH video clipsfrom the video buffer module through the private proxy module; and step C, transmitting the DASH video clipsto the mobile terminal by the private proxy module. According to the cloud service framework implementation method and system for supporting the adaptive mobile streaming media provided by the invention, by constructing a private proxy at a server, the adaptive function of the streaming media code rate along with the network jitter can be increased, the fluency of broadcasting the network videos can be guaranteed, and the problem of the unstable mobile network environment can be solved.
Description
Technical field
The present invention relates to internet arena, particularly relate to a kind of cloud service framework implementation method and the system of supporting self adaptation mobile flow medium.
Background technology
Common internet stream media server, it lacks cloud service design, does not possess the code check adaptation module ensureing smooth playing, for the situation of network condition, easily produces the phenomenon of card end.Especially for the mobile network that network is not good, more easily produce and play card, have a strong impact on the normal use of user.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of cloud service framework implementation method and the system of supporting self adaptation mobile flow medium, be intended to solve the problem of easily blocking in existing streaming media playing process and timing.
Technical scheme of the present invention is as follows:
Support a cloud service framework implementation method for self adaptation mobile flow medium, wherein, comprise step:
A, collect there is the video index of high access, and by corresponding for each video index video file recompile and convert DASH video slicing to, be cached in video cache module;
B, when user by mobile terminal to Cloud Server request video flowing time, Cloud Server creates private agent's module, obtains asked DASH video slicing by described private agent's module from video cache module;
DASH video slicing is sent to mobile terminal by C, private agent's module.
The cloud service framework implementation method of described support self adaptation mobile flow medium, wherein, in described step B, is stored in the DASH video slicing got in described private agent's module.
The cloud service framework implementation method of described support self adaptation mobile flow medium, wherein, in described step B, when multiple mobile terminal is to Cloud Server request video flowing, creates corresponding multiple private agent's modules.
Support that the cloud service framework of self adaptation mobile flow medium realizes a system, wherein, comprising:
Gatherer, for collecting the video index with high access;
Encoder, for by corresponding for each video index video file recompile and convert DASH video slicing to;
Video cache module, for by DASH video slicing buffer memory;
Private agent's module, for when user by mobile terminal to Cloud Server request video flowing time, from video cache module, obtain asked DASH video slicing, and DASH video slicing be sent to mobile terminal.
The cloud service framework of described support self adaptation mobile flow medium realizes system, wherein, also comprises the Central Control Module that is connected to private agent's module and video cache module.
The cloud service framework of described support self adaptation mobile flow medium realizes system, and wherein, the DASH video slicing got also stores by described private agent's module.
The cloud service framework of described support self adaptation mobile flow medium realizes system, wherein, when multiple mobile terminal is to Cloud Server request video flowing, creates corresponding multiple private agent's modules.
Beneficial effect: the present invention is by building the mode of private agent at server end, increase the adaptation function of streaming media bit rate with network jitter, ensure fluency during playing network video, solve the problem of mobile network environment instability, improve user's experience.
Accompanying drawing explanation
Fig. 1 is a kind of flow chart supporting the cloud service framework implementation method preferred embodiment of self adaptation mobile flow medium of the present invention.
To be that the present invention is a kind of support the structured flowchart that the cloud service framework of self adaptation mobile flow medium realizes system preferred embodiment to Fig. 2.
Embodiment
The invention provides a kind of cloud service framework implementation method and the system of supporting self adaptation mobile flow medium, for making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1, Fig. 1 is a kind of flow chart supporting the cloud service framework implementation method preferred embodiment of self adaptation mobile flow medium of the present invention, and as shown in the figure, it comprises step:
S1, collect there is the video index of high access, and by corresponding for each video index video file recompile and convert DASH video slicing to, be cached in video cache module;
S2, when user by mobile terminal to Cloud Server request video flowing time, Cloud Server creates private agent's module, obtains asked DASH video slicing by described private agent's module from video cache module;
DASH video slicing is sent to mobile terminal by S3, private agent's module.
First the video index with high access is collected by gatherer, then by encoder by corresponding for each video index video file recompile and convert DASH(DynamicAdaptiveStreamingoverHTTP to) video slicing, and be cached to high-quality video memory module.This high-quality video memory module is in order to the higher high-quality video file of memory access amount.Specifically, in described high-quality video memory module, include video cache module, can by the newly-increased high-quality video file cache with high access.The video index of described high access, refers to the video information that visit capacity is higher, such as, add up the video index of before visit capacity rank 20, then by before the rank of correspondence 20 video file recompile and conversion.
As for encoding and converting DASH video slicing to, each video file is divided into a series of Time Continuous and nonoverlapping media period, each media period comprises one or more adaptive sets of same section of content of multimedia, multiple multimedia resources of visually same section of content are contained, the video of such as different visual angles or the audio frequency etc. of different track in each adaptive set; There is a parameter each media period in order to identify initial time and the duration of DASH video slicing simultaneously.Each adaptive set contains one or more media slicing, and this is the minimal set of same slot media content.Each media slicing contains multiple parameter, comprises bandwidth, coding, resolution etc.Each DASH video slicing can be divided into several continuous each other and nonoverlapping sub-burst according to time sequencing.In addition, Cloud Server also stores the MPD file based on XML format, this MPD file is used for describing video file specially, URL address and other characteristics of all video contents and different bit-rate video on Cloud Server are such as described, in playing process, first mobile terminal downloads MPD file, obtains the information such as time span, medium kind, resolution, min/max bandwidth of video file after resolving, and also obtains the information such as video file position in a network simultaneously.Based on these information, by the DASH video slicing (generate playlist in chronological order, ask successively) that HTTP request is suitable.Suitable buffering when initial, mobile terminal is play current DASH video slicing and is continued request DASH video slicing below, and the variation of monitor network bandwidth simultaneously, also adjusts the code check of DASH video slicing if desired, ensures the smooth playing of video.
The such as video file of one section of 48s, is divided into 24 sections of video slicings, and the length of each video slicing is 2s; The code check of video file is divided into 8 grades.These resources all leave on Cloud Server, also have the MPD file of this video file simultaneously.For mobile terminal, two kinds of watching modes can be adopted: smooth pattern and high image quality pattern.Watching mode can be selected by user, set different parameter values according to the selection of user.
When user asks video flowing by mobile terminal to Cloud Server (i.e. self adaptation mobile flow medium cloud), will in Cloud Server dynamic creation private agent's module, by described private agent's module to video cache module request DASH video slicing, and be sent to mobile terminal.
In the present invention, owing to being build private agent at server end, so add the adaptation function of streaming media bit rate with network jitter, guarantee the fluency of mobile terminal in playing stream media process.
In described step S2, the DASH video slicing got is stored in described private agent's module.Control private agent's module particular by a Central Control Module and obtain DASH video slicing from video cache module.
In addition, in described step S2, when multiple mobile terminal is to Cloud Server request video flowing, create corresponding multiple private agent's modules.When each mobile terminal is to Cloud Server request video flowing, struggling against creates private agent's module at Cloud Server.
Based on said method, the present invention also provides a kind of and supports that the cloud service framework of self adaptation mobile flow medium realizes system preferred embodiment, and as shown in Figure 2, it comprises:
Gatherer, for collecting the video index with high access;
Encoder, for by corresponding for each video index video file recompile and convert DASH video slicing to;
Video cache module, for by DASH video slicing buffer memory;
Private agent's module, for when user by mobile terminal to Cloud Server request video flowing time, from video cache module, obtain asked DASH video slicing, and DASH video slicing be sent to mobile terminal.
Further, system also comprises the Central Control Module that is connected to private agent's module and video cache module.
Further, the DASH video slicing got also stores by described private agent's module.
Further, when multiple mobile terminal is to Cloud Server request video flowing, create corresponding multiple private agent's modules.
Ins and outs about above-mentioned module are existing in method above to be described in detail, therefore repeats no more.
In sum, the present invention, by building the mode of private agent at server end, increases the adaptation function of streaming media bit rate with network jitter, ensures fluency during playing network video, solve the problem of mobile network environment instability, improve user's experience.
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 (7)
1. support a cloud service framework implementation method for self adaptation mobile flow medium, it is characterized in that, comprise step:
A, collect there is the video index of high access, and by corresponding for each video index video file recompile and convert DASH video slicing to, be cached in video cache module;
B, when user by mobile terminal to Cloud Server request video flowing time, Cloud Server creates private agent's module, obtains asked DASH video slicing by described private agent's module from video cache module;
DASH video slicing is sent to mobile terminal by C, private agent's module.
2. the cloud service framework implementation method of support self adaptation mobile flow medium according to claim 1, is characterized in that, in described step B, is stored in described private agent's module by the DASH video slicing got.
3. the cloud service framework implementation method of support self adaptation mobile flow medium according to claim 1, is characterized in that, in described step B, when multiple mobile terminal is to Cloud Server request video flowing, creates corresponding multiple private agent's modules.
4. support that the cloud service framework of self adaptation mobile flow medium realizes a system, it is characterized in that, comprising:
Gatherer, for collecting the video index with high access;
Encoder, for by corresponding for each video index video file recompile and convert DASH video slicing to;
Video cache module, for by DASH video slicing buffer memory;
Private agent's module, for when user by mobile terminal to Cloud Server request video flowing time, from video cache module, obtain asked DASH video slicing, and DASH video slicing be sent to mobile terminal.
5. the cloud service framework of support self adaptation mobile flow medium according to claim 4 realizes system, it is characterized in that, also comprises the Central Control Module that is connected to private agent's module and video cache module.
6. the cloud service framework of support self adaptation mobile flow medium according to claim 4 realizes system, it is characterized in that, the DASH video slicing got also stores by described private agent's module.
7. the cloud service framework of support self adaptation mobile flow medium according to claim 4 realizes system, it is characterized in that, when multiple mobile terminal is to Cloud Server request video flowing, creates corresponding multiple private agent's modules.
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Cited By (1)
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| CN107566854A (en) * | 2016-06-30 | 2018-01-09 | 华为技术有限公司 | A kind of acquisition of media content and sending method and device |
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