CN105959716A - Method and system for automatically recommending definition based on user equipment - Google Patents
Method and system for automatically recommending definition based on user equipment Download PDFInfo
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- CN105959716A CN105959716A CN201610317018.3A CN201610317018A CN105959716A CN 105959716 A CN105959716 A CN 105959716A CN 201610317018 A CN201610317018 A CN 201610317018A CN 105959716 A CN105959716 A CN 105959716A
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Classifications
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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
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2187—Live feed
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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
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234336—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by media transcoding, e.g. video is transformed into a slideshow of still pictures or audio is converted into text
-
- 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
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25808—Management of client data
- H04N21/25825—Management of client data involving client display capabilities, e.g. screen resolution of a mobile phone
-
- 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
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
Abstract
The invention provides a method and a system for automatically recommending the definition based on user equipment. The method is characterized by comprising the steps that a local image is acquired at a live broadcast client so as to acquire an original image, and the original image is pushed to a streaming server; the streaming server sends the original image to a transcoding server; the transcoding server carries out transcoding on the basis of the original image so as to acquire a high-definition image and a standard-definition image, and the transcoding server sends the high-definition image and the standard-definition image back to the streaming server; when a user watches live broadcast at a front end, the front end acquires the resolution of watch equipment of the audience, the type of images to be requested is judged according to the resolution of the watch equipment, a request for the corresponding images is sent to the streaming server according to a judgment result; the streaming server returns a media stream of the corresponding type of images according to the received request, and the front end decrypts the media stream according to a prescribed encryption manner and decodes the media stream into an image so as to be shown to the user. When the user selects to change the type of images, the front end sends a request for the corresponding images to the streaming server, and the corresponding images are provided.
Description
Technical field
The present invention relates to net cast or order video field, especially relate to a kind of automatically recommendation based on subscriber equipment clearly
The method and system of clear degree.
Background technology
Currently, net cast mode has been obtained for being widely applied.People can by the Internet whenever and wherever possible PC,
The multiple client watching video live broadcast such as mobile phone.
Live need particularity timely due to it, so bandwidth cannot be saved by P2P mode, do not have in the market
Have and save bandwidth by the way of to the stream of different user difference definition.And image sharpness is the highest, decoded picture is to setting
The consumption of standby performance is the highest, and the network requirement to user is the highest simultaneously.
Term illustrates:
Definition points at the definition in face, code check and resolution together decide on
Multi code Rate of Chinese character refers generally to multiple definitions of video, such as SD, high definition, super clear
Streaming server refers to when spectators watch, the origin server of picture
Transcoding server refers generally to main broadcaster's raw frames to transfer to the server of multiple definition
Device resolution refers to watch the resolution of video equipment, and resolution is also big, can cause the player also can be the biggest, to picture
Definition require the highest, the situation of mosaic the most easily occurs.
Summary of the invention
For the disadvantages described above of prior art, the invention provides a kind of skill automatically recommending definition based on subscriber equipment
Art scheme.
The present invention provides a kind of method automatically recommending definition based on subscriber equipment, comprises the following steps:
Step 1, gathers local picture in live client, obtains original painting, and original painting is pushed to streaming server；
Step 2, original painting is sent to transcoding server by streaming server；
Step 3, transcoding server transcoding on the basis of original painting obtains high definition and two kinds of pictures of SD；
Step 4, transcoding server by high definition and two kinds of pictures of SD back to streaming server；
Step 5, when user is live in front end viewing, and front end obtains spectators and watches the resolution of equipment；
Step 6, front end judges according to the resolution of viewing equipment, must arrive the picture kind that front end treats that request is play, and root
It is judged that result send the request of corresponding picture to streaming server；
Judgment mode is embodied as, it is judged that whether resolution, in predetermined threshold value, is, picture kind to be asked is original painting, if otherwise
Picture kind to be asked is high definition picture；
Step 7, streaming server end, according to the request received, returns the Media Stream of the picture of corresponding kind, and front end is according to a preconcerted arrangement
After Media Stream is deciphered by cipher mode, further decoding becomes picture to present to user；
Step 8, when user selects the kind changing picture, front end sends the request of corresponding picture to streaming server, returns step
Rapid 7 provide respective picture, and the picture kind selected voluntarily for user includes high definition picture, SD picture and original painting.
And, in step 2, when picture is sent to transcoding server by streaming server, send according to predetermined policy selection
To corresponding transcoding server.
And, described predetermined strategy, is to select the most idle transcoding server.
And, in step 4, newly-increased high definition and two kinds of pictures of SD back to streaming server, are not required to by transcoding server
Original painting to be postbacked, matches the original painting of correspondence by filename coupling at streaming server.
And, in step 6, predetermined threshold value is 1400.
The present invention provides a kind of system automatically recommending definition based on subscriber equipment accordingly, including with lower module:
First module, for gathering local picture in live client, obtains original painting, and original painting is pushed to streaming server；
Second module, is sent to transcoding server for streaming server by original painting；
Three module, obtains high definition and two kinds of pictures of SD for transcoding server transcoding on the basis of original painting；
4th module, for transcoding server by high definition and two kinds of pictures of SD back to streaming server；
5th module, for watching live in front end as user, front end obtains spectators and watches the resolution of equipment；
6th module, for front end, the resolution according to viewing equipment judges, must arrive the picture kind that front end treats that request is play
Class, and send the request of corresponding picture to streaming server according to the result judged；
Judgment mode is embodied as, it is judged that whether resolution, in predetermined threshold value, is, picture kind to be asked is original painting, if otherwise
Picture kind to be asked is high definition picture；
7th module, for streaming server end according to the request received, returns the Media Stream of the picture of corresponding kind, front end according to
After Media Stream is deciphered by the cipher mode of agreement, further decoding becomes picture to present to user；
8th module, for when user selects the kind changing picture, front end sends the request of corresponding picture to streaming server,
Order the 7th module work to provide respective picture, the picture kind selected voluntarily for user include high definition picture, SD picture and
Original painting.
And, in the second module, when picture is sent to transcoding server by streaming server, send out according to predetermined policy selection
Give corresponding transcoding server.
And, described predetermined strategy, is to select the most idle transcoding server.
And, in the 4th module, transcoding server by newly-increased high definition and two kinds of pictures of SD back to streaming server, no
Need to postback original painting, matched the original painting of correspondence by filename coupling at streaming server.
And, in the 6th module, predetermined threshold value is 1400.
Therefore, the present invention has a techniques below effect:
1. improving the smooth degree of user's viewing, improve the viewing experience of user, minimizing equipment is hot, a situation for viewing card
Produce.
2. in the case of ensureing Consumer's Experience, the bandwidth that the user of reduction consumes, thus the operation greatly reduced becomes
This.
Accompanying drawing explanation
Fig. 1 is the flow chart of the embodiment of the present invention.
Detailed description of the invention
Below by embodiment, and combine accompanying drawing, technical scheme is described in further detail.
Present invention contemplates that, it practice, the bandwidth that the stream of high definition consumes only has the half of original painting, and general clear stream is the most former
/ 3rd drawn, the embodiment of the present invention describes a kind of helps user to select the technical side of image quality according to subscriber equipment size intelligence
Case, at present due to the network problem of user, in order to ensure the smooth degree that user watches, live platform the most all can carry for user
For the picture of multiple definition, user network is the best, can select the picture that definition is the highest.But typically can give tacit consent to and push away to user
Recommend the picture that definition is the highest.And in this programme, go to distinguish user according to the resolution of viewing equipment, for using difference to differentiate
The equipment of rate watches the picture of live user's default recommendation difference definition, reduces the bandwidth cost that platform is undertaken.
Seeing Fig. 1, the basic step of the embodiment of the present invention is as follows:
Step 1: gather local picture in live client, obtain original painting, and original painting is pushed to streaming server.
Live client passes through video coding technique, the picture coding in main broadcaster's the machine is become Media Stream, and is pushed to spy
On fixed streaming server, gathering media stream parameters out is the parameter that main broadcaster is arranged on live software, is generally at present
1800 code checks, 1080 resolution, 25 frame per second, thus obtain local picture, i.e. SD original painting, and this locality picture is pushed to stream clothes
Business device.Existing live software can be used when being embodied as to realize.
Step 2: original painting is sent to transcoding server by streaming server.
After streaming server receives Media Stream, step 1 gained this locality picture is sent to pre-according to predetermined policy selection
(when being embodied as, specific strategy can be preset fixed transcoding server by those skilled in the art, such as multiple stage transcoding service
Device works simultaneously, and needs judgement selects the most idle that).
Step 3: transcoding server transcoding on the basis of original painting obtains high definition, two kinds of pictures of SD.
In embodiment, picture is decoded and re-encodes afterwards by transcoding server again, the when of re-encoding, according to 900 code checks,
720 resolution, the parameter coding of 23 frame per second go out a road high definition picture and 550 code checks, 540 resolution, 20 frame per second encode out a road
SD picture.
Step 4: transcoding server by high definition and SD two-way picture back to streaming server.
Two-way picture after re-encoding back to streaming server, is facilitated spectator client or leading portion net by transcoding server
Page request, when postbacking, in order to increase efficiency, it is not necessary to postback original painting, matches correspondence by filename coupling at streaming server
Original painting.
Step 5: when user is live in front end viewing, and front end obtains spectators and watches the resolution of equipment.
Spectators are live by page end or the client viewing of front end, and front end can obtain the resolution of the equipment that spectators use
Rate.
Step 6: front end judges according to the resolution of viewing equipment, determines that the picture kind that request is play is treated in front end,
And send the request of corresponding picture to streaming server according to the result judged.
In embodiment, it is judged that whether resolution is more than predetermined threshold value, and in embodiment, predetermined threshold value is 1400, is, waits to ask
Picture kind be original painting, if picture kind to be asked is high definition picture, be i.e. then to streaming server send original painting please
Ask, if otherwise sending high definition picture request to streaming server.
Step 7: streaming server end, according to step 4 and step 6 acquired results, returns picture according to the type of picture request.
Present invention further propose that, after automatically choosing according to step 6, also support that user chooses voluntarily:
Step 8, when user selects the kind changing picture, front end sends the request of corresponding picture to streaming server, returns step
Rapid 7 provide respective picture, and the picture kind selected voluntarily for user includes high definition picture, SD picture and original painting.
Streaming server return assigned picture Media Stream, front end cipher mode according to a preconcerted arrangement to Media Stream decipher after again
It is decoded into picture and presents to user.
For current live industry and network environment, the live picture of high-resolution is one of essential service, according to working as
Before the data of live platform, the original painting of main broadcaster is typically at 1800 code checks, and resolution is 1440 or following and use computer to visit
Asking the user of live platform, generally account for and all use 50% in computer to access user, use this strategy, the highest can be live
The bandwidth of 25% saved by platform.
When being embodied as, method provided by the present invention can realize automatic operational process based on software engineering, it is possible to uses mould
Massing mode realizes corresponding system.The embodiment of the present invention provides a kind of system automatically recommending definition based on subscriber equipment, bag
Include with lower module:
First module, for gathering local picture in live client, obtains original painting, and original painting is pushed to streaming server；
Second module, will can be sent to transcoding server with half for streaming server；
Three module, obtains high definition and two kinds of pictures of SD for transcoding server transcoding on the basis of original painting；
4th module, for transcoding server by high definition and two kinds of pictures of SD back to streaming server；
5th module, for watching live in front end as user, front end obtains spectators and watches the resolution of equipment；
6th module, for front end, the resolution according to viewing equipment judges, must arrive the picture kind that front end treats that request is play
Class, and send the request of corresponding picture to streaming server according to the result judged；
Judgment mode is embodied as, it is judged that whether resolution, in predetermined threshold value, is, picture kind to be asked is original painting, if otherwise
Picture kind to be asked is high definition picture；
7th module, for streaming server end according to the request received, returns the Media Stream of the picture of corresponding kind, front end according to
After Media Stream is deciphered by the cipher mode of agreement, further decoding becomes picture to present to user；
8th module, for when user selects the kind changing picture, front end sends the request of corresponding picture to streaming server,
Order the 7th module work to provide respective picture, the picture kind selected voluntarily for user include high definition picture, SD picture and
Original painting.
Each module implements and can be found in corresponding steps, and it will not go into details for the present invention.When being embodied as, each module can be accordingly
On execution equipment, realization is set, such as, provides the first module in live client, the viewing equipment in front end arrange the 5th module,
6th module, the first module.
Specific embodiment described herein is only to present invention spirit explanation for example.Technology neck belonging to the present invention
Described specific embodiment can be made various amendment or supplements or use similar mode to replace by the technical staff in territory
Generation, but without departing from the spirit of the present invention or surmount scope defined in appended claims.
Claims (10)
1. the method automatically recommending definition based on subscriber equipment, it is characterised in that comprise the following steps:
Step 1, gathers local picture in live client, obtains original painting, and original painting is pushed to streaming server；
Step 2, original painting is sent to transcoding server by streaming server；
Step 3, transcoding server transcoding on the basis of original painting obtains high definition and two kinds of pictures of SD；
Step 4, transcoding server by high definition and two kinds of pictures of SD back to streaming server；
Step 5, when user is live in front end viewing, and front end obtains spectators and watches the resolution of equipment；
Step 6, front end judges according to the resolution of viewing equipment, must arrive the picture kind that front end treats that request is play, and root
It is judged that result send the request of corresponding picture to streaming server；
Judgment mode is embodied as, it is judged that whether resolution, in predetermined threshold value, is, picture kind to be asked is original painting, if otherwise
Picture kind to be asked is high definition picture；
Step 7, streaming server end, according to the request received, returns the Media Stream of the picture of corresponding kind, and front end is according to a preconcerted arrangement
After Media Stream is deciphered by cipher mode, further decoding becomes picture to present to user；
Step 8, when user selects the kind changing picture, front end sends the request of corresponding picture to streaming server, returns step
Rapid 7 provide respective picture, and the picture kind selected voluntarily for user includes high definition picture, SD picture and original painting.
Automatically the method recommending definition the most according to claim 1 based on subscriber equipment, it is characterised in that: in step 2, stream
When picture is sent to transcoding server by server, it is sent to corresponding transcoding server according to predetermined policy selection.
Automatically the method recommending definition the most according to claim 2 based on subscriber equipment, it is characterised in that: described predetermined
Strategy, is to select the most idle transcoding server.
Automatically the method recommending definition the most according to claim 1 based on subscriber equipment, it is characterised in that: in step 4, turn
Code server by newly-increased high definition and two kinds of pictures of SD back to streaming server, it is not necessary to postback original painting, by filename
Fit over streaming server and match the original painting of correspondence.
5. according to the method automatically recommending definition described in claim 1 or 2 or 3 or 4 based on subscriber equipment, it is characterised in that:
In step 6, predetermined threshold value is 1400.
6. the system automatically recommending definition based on subscriber equipment, it is characterised in that include with lower module:
First module, for gathering local picture in live client, obtains original painting, and original painting is pushed to streaming server；
Second module, is sent to transcoding server for streaming server by original painting；
Three module, obtains high definition and two kinds of pictures of SD for transcoding server transcoding on the basis of original painting；
4th module, for transcoding server by high definition and two kinds of pictures of SD back to streaming server；
5th module, for watching live in front end as user, front end obtains spectators and watches the resolution of equipment；
6th module, for front end, the resolution according to viewing equipment judges, must arrive the picture kind that front end treats that request is play
Class, and send the request of corresponding picture to streaming server according to the result judged；
Judgment mode is embodied as, it is judged that whether resolution, in predetermined threshold value, is, picture kind to be asked is original painting, if otherwise
Picture kind to be asked is high definition picture；
7th module, for streaming server end according to the request received, returns the Media Stream of the picture of corresponding kind, front end according to
After Media Stream is deciphered by the cipher mode of agreement, further decoding becomes picture to present to user；
8th module, for when user selects the kind changing picture, front end sends the request of corresponding picture to streaming server,
Order the 7th module work to provide respective picture, the picture kind selected voluntarily for user include high definition picture, SD picture and
Original painting.
Automatically the system of definition is recommended the most according to claim 6 based on subscriber equipment, it is characterised in that: the second module
In, when picture is sent to transcoding server by streaming server, it is sent to corresponding transcoding server according to predetermined policy selection.
Automatically the system of definition is recommended the most according to claim 7 based on subscriber equipment, it is characterised in that: described predetermined
Strategy, is to select the most idle transcoding server.
Automatically the system of definition is recommended the most according to claim 6 based on subscriber equipment, it is characterised in that: the 4th module
In, transcoding server by newly-increased high definition and two kinds of pictures of SD back to streaming server, it is not necessary to postback original painting, pass through file
Name coupling matches the original painting of correspondence at streaming server.
10. according to the system automatically recommending definition described in claim 6 or 7 or 8 or 9 based on subscriber equipment, it is characterised in that:
In 6th module, predetermined threshold value is 1400.
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| CN201610317018.3A CN105959716A (en) | 2016-05-13 | 2016-05-13 | Method and system for automatically recommending definition based on user equipment |
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| CN201610317018.3A CN105959716A (en) | 2016-05-13 | 2016-05-13 | Method and system for automatically recommending definition based on user equipment |
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| CN106303608A (en) * | 2016-09-27 | 2017-01-04 | 北京小米移动软件有限公司 | Live treating method and apparatus, direct broadcast server and live broadcast system |
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| CN111757143A (en) * | 2020-07-22 | 2020-10-09 | 四川新视创伟超高清科技有限公司 | Video playing method based on cloud streaming media picture cutting |
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| CN111757143B (en) * | 2020-07-22 | 2023-01-17 | 四川新视创伟超高清科技有限公司 | Video playing method based on cloud streaming media picture cutting |
| CN112788357A (en) * | 2020-12-30 | 2021-05-11 | 北京达佳互联信息技术有限公司 | Network live broadcast method, device, server and computer readable storage medium |
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