CN108271071A - A kind of method and device for improving video definition - Google Patents
A kind of method and device for improving video definition Download PDFInfo
- Publication number
- CN108271071A CN108271071A CN201611259856.6A CN201611259856A CN108271071A CN 108271071 A CN108271071 A CN 108271071A CN 201611259856 A CN201611259856 A CN 201611259856A CN 108271071 A CN108271071 A CN 108271071A
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- Prior art keywords
- main broadcaster
- broadcaster end
- network
- code check
- live streaming
- Prior art date
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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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440263—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the spatial resolution, e.g. for displaying on a connected PDA
-
- 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
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440281—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by altering the temporal resolution, e.g. by frame skipping
Abstract
The embodiment of the invention discloses a kind of method and devices for improving video definition.The embodiment of the present invention by cause in main broadcaster's network jitter or poor network uploaded videos code check than it is relatively low when, intelligence can be carried out to main broadcaster and mend packet, main broadcaster is improved to start broadcasting code check, and can main broadcaster network condition it is fine, but in the case that the video frame rate that starts broadcasting is too low, carry out low frame per second compensation to main broadcaster, and main broadcaster's code check that starts broadcasting intelligently be dynamically adapted to setting code check, so as to solve the problems, such as that request code check is not achieved and caused by video blur.The embodiment of the invention also discloses a kind of systems for improving video definition.
Description
Technical field
The present invention relates to main broadcaster live video clarity field more particularly to a kind of methods and dress for improving video definition
It puts.
Background technology
In recent years, movement live streaming in internet is more and more hot, and this programme provides a kind of automatic lifting low frame per second main broadcaster video
The scheme of clarity.Situation about can be promoted is as follows：
1. the network condition of main broadcaster is fine, but the video frame rate to start broadcasting is too low, so as to cause request code check be not achieved and
Caused by video blur
2. when main broadcaster's network jitter or poor network, uploaded videos code check than it is relatively low when, can intelligently mend packet, carry
High main broadcaster starts broadcasting code check
Common practices in the industry：
It is the function of no Intelligent Dynamic adjustment code check if user's selection is that cbr (constant bit rate) starts broadcasting by taking fish of struggling against as an example
's.
And user select dynamic code rate live streaming when, it is impossible to code check is set, by user uplink bandwidth threshold values code check into
Row starts broadcasting, and wastes company's bandwidth.
Therefore it provides one kind can intelligently improve net cast when main broadcaster encounters the situation of starting broadcasting or network difference
The method and device of clarity is those skilled in the art's technical issues that need to address.
Invention content
An embodiment of the present invention provides it is a kind of improve video definition method and device, main broadcaster encounter the situation of starting broadcasting or
When person's network difference, it also can guarantee more clearly net cast, improve user's visual experience.
An embodiment of the present invention provides it is a kind of improve video definition method, including：
S1：After the upload parameter for the net cast network for judging main broadcaster end reaches parameter request, the main broadcaster end is judged
Net cast network whether network jitter occurs, if so, perform S2；
S2：Image is carried out to the video at the main broadcaster end and mends frame operation so that the practical live streaming code check at the main broadcaster end etc.
In preset live streaming code check.
Preferably, a kind of method for improving video definition provided in an embodiment of the present invention further includes：
Network jitter does not occur in the net cast network for judging the main broadcaster end and judges the live streaming at the main broadcaster end
After frame per second is less than the requirement of preset frame per second, low frame per second compensating operation is carried out to the video at the main broadcaster end, and by the main broadcaster end
Practical live streaming code check is promoted to preset live streaming code check.
Preferably, a kind of method for improving video definition provided in an embodiment of the present invention further includes：Judging main broadcaster end
Net cast network upload parameter parameter request is not achieved after, send network prompting not up to standard to the main broadcaster end and believe
Breath.
Preferably, a kind of method for improving video definition provided in an embodiment of the present invention further includes：Judging main broadcaster end
Net cast network upload parameter parameter request is not achieved after, by the main broadcaster end by the net cast at the main broadcaster end
Code check is reduced to the upload network upper limit value at the main broadcaster end.
Preferably, the main broadcaster end is mobile phone terminal or pc client or WEB terminal.
Preferably, the upload parameter includes：Resolution ratio, preset live streaming code check, practical live streaming code check, live streaming frame is broadcast live
Rate, coding mode and image quality class.
Preferably, the embodiment of the present invention additionally provides a kind of device for improving video definition, including：
Judging unit, for after the upload parameter for the net cast network for judging main broadcaster end reaches parameter request, judging
Whether the net cast network at the main broadcaster end occurs network jitter, if so, frame unit is mended in triggering；
Frame unit is mended, mends frame operation for carrying out image to the video at the main broadcaster end so that the reality at the main broadcaster end
Code check is broadcast live and is equal to preset live streaming code check.
Preferably, a kind of device for improving video definition provided in an embodiment of the present invention further includes：Compensating unit is used for
It is less than in the live streaming frame per second that network jitter does not occur for the net cast network for judging the main broadcaster end and judges the main broadcaster end
After the requirement of preset frame per second, low frame per second compensating operation is carried out to the video at the main broadcaster end, and by the practical live streaming at the main broadcaster end
Code check is promoted to preset live streaming code check.
Preferably, a kind of device for improving video definition provided in an embodiment of the present invention further includes：Transmitting element is used for
After parameter request is not achieved in the upload parameter for the net cast network for judging main broadcaster end, sends network to the main broadcaster end and do not reach
Target prompt message.
Preferably, a kind of device for improving video definition provided in an embodiment of the present invention further includes：Unit is reduced, is used for
After parameter request is not achieved in the upload parameter for the net cast network for judging main broadcaster end, by the main broadcaster end by the main broadcaster
The net cast code check at end is reduced to the upload network upper limit value at the main broadcaster end.
Preferably, the embodiment of the present invention additionally provides a kind of system for improving video definition, including：It is as described above
Improve the device of video definition and main broadcaster end；
The device for improving video definition and main broadcaster end communication connection.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages：
An embodiment of the present invention provides a kind of method and device for improving video definition, wherein, the raising video is clear
The method of degree includes：S1：After the upload parameter for the net cast network for judging main broadcaster end reaches parameter request, the master is judged
Whether the net cast network for broadcasting end occurs network jitter, if so, performing S2；S2：Figure is carried out to the video at the main broadcaster end
As mending frame operation so that the practical live streaming code check at the main broadcaster end is equal to preset live streaming code check.The embodiment of the present invention passes through in master
Cause when broadcasting network jitter or poor network uploaded videos code check than it is relatively low when, can to main broadcaster carry out intelligence mend packet,
Main broadcaster is improved to start broadcasting code check, and can main broadcaster network condition it is fine but in the case that the video frame rate that starts broadcasting is too low, to master
It broadcasts and carries out low frame per second compensation, and main broadcaster's code check that starts broadcasting intelligently is dynamically adapted to setting code check, so as to solve request code check up to not
Arrive and caused by video blur problem.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of flow diagram of method for improving video definition provided in an embodiment of the present invention；
Fig. 2 is a kind of another flow diagram of method for improving video definition provided in an embodiment of the present invention；
Fig. 3 is a kind of structure diagram of device for improving video definition provided in an embodiment of the present invention；
Fig. 4 is a kind of Application Example schematic diagram of method for improving video definition provided in an embodiment of the present invention；
Fig. 5 is a kind of structure diagram of system for improving video definition provided in an embodiment of the present invention.
Specific embodiment
An embodiment of the present invention provides it is a kind of improve video definition method and device, main broadcaster encounter the situation of starting broadcasting or
When person's network difference, it also can guarantee more clearly net cast, improve user's visual experience.
In order to make the invention's purpose, features and advantages of the invention more obvious and easy to understand, below in conjunction with the present invention
Attached drawing in embodiment is clearly and completely described the technical solution in the embodiment of the present invention, it is clear that disclosed below
Embodiment be only part of the embodiment of the present invention, and not all embodiment.Based on the embodiments of the present invention, this field
All other embodiment that those of ordinary skill is obtained without making creative work, belongs to protection of the present invention
Range.
Referring to Fig. 1, a kind of one embodiment of method for improving video definition provided in an embodiment of the present invention, packet
It includes：
101st, after the upload parameter for the net cast network for judging main broadcaster end reaches parameter request, judge regarding for main broadcaster end
Whether frequency Living Network occurs network jitter, if so, performing 102；
Server start broadcasting after the upload parameter for the net cast network for judging main broadcaster end reaches parameter request, judges main broadcaster
Whether the net cast network at end occurs network jitter, if so, performing step 102.
102nd, image is carried out to the video at main broadcaster end and mends frame operation so that the practical live streaming code check at main broadcaster end is equal to preset straight
Broadcast code check.
Server start broadcasting after network jitter occurs for the net cast network for judging main broadcaster end, the video at main broadcaster end is carried out
Image mends frame operation so that the practical live streaming code check at main broadcaster end is equal to preset live streaming code check.
Referring to Fig. 2, a kind of another embodiment of method for improving video definition provided in an embodiment of the present invention, packet
It includes：
201st, judge whether the upload parameter of the net cast network at main broadcaster end reaches parameter request, if so, 202 are performed,
If it is not, it performs 203 and is performed simultaneously 204；
The server that starts broadcasting judges whether the upload parameter of the net cast network at main broadcaster end reaches parameter request, if so, holding
Row 202, if it is not, performing 203 and being performed simultaneously 204.
202nd, judge whether the net cast network at main broadcaster end occurs network jitter, if so, 205 are performed, if it is not, performing
206；
Server start broadcasting after the upload parameter for the net cast network for judging main broadcaster end reaches parameter request, judges main broadcaster
Whether the net cast network at end occurs network jitter, if so, 205 are performed, if it is not, performing 206.
203rd, network prompt message not up to standard is sent to main broadcaster end；
Server start broadcasting after parameter request is not achieved in the upload parameter for the net cast network for judging main broadcaster end, to main broadcaster
End sends network prompt message not up to standard.
The 204th, the net cast code check at main broadcaster end is reduced to the upload network upper limit value at main broadcaster end by main broadcaster end；
Server start broadcasting after parameter request is not achieved in the upload parameter for the net cast network for judging main broadcaster end, passes through master
Broadcast the upload network upper limit value that the net cast code check at main broadcaster end is reduced to main broadcaster end by end.
205th, image is carried out to the video at main broadcaster end and mends frame operation so that the practical live streaming code check at main broadcaster end is equal to preset straight
Broadcast code check；
Server start broadcasting after network jitter occurs for the net cast network for judging main broadcaster end, the video at main broadcaster end is carried out
Image mends frame operation so that the practical live streaming code check at main broadcaster end is equal to preset live streaming code check.
206th, after the live streaming frame per second for judging main broadcaster end is less than the requirement of preset frame per second, low frame per second is carried out to the video at main broadcaster end
Compensating operation, and the practical live streaming code check at main broadcaster end is promoted to preset live streaming code check.
Server start broadcasting after network jitter does not occur for the net cast network for judging main broadcaster end, and is judging main broadcaster end
After frame per second is broadcast live less than the requirement of preset frame per second, low frame per second compensating operation is carried out to the video at main broadcaster end, and by the reality at main broadcaster end
Live streaming code check is promoted to preset live streaming code check.
Specifically, main broadcaster end is mobile phone terminal or pc client or WEB terminal.
Upload parameter includes：Be broadcast live resolution ratio, preset live streaming code check, practical live streaming code check, live streaming frame per second, coding mode and
Image quality class.
The above is the detailed description carried out to a kind of method for improving video definition, for ease of understanding, below will be with one
Concrete application scene illustrates a kind of application for the method for improving video definition, referring to Fig. 4, application examples includes：
1) after main broadcaster opens video, the network condition of main broadcaster is first checked for, (such as is started broadcasting if network condition is not up to standard
Setting code check is 1.2M, but the network uplink of main broadcaster is less than 1.2M, then is not up to standard)
It is poor that the server that starts broadcasting can be automatically reminded to main broadcaster's network condition, simultaneously because main broadcaster's uplink network does not reach requirement, visitor
The setting code check of main broadcaster can be reduced to the uplink network threshold values of main broadcaster by family end (hand Y, pc client, WEB terminal etc.), and main broadcaster is allowed to use
Best video effect starts broadcasting, specifically, client described herein is main broadcaster end.
2) when server detects that the network of main broadcaster is shaken, such as unexpected network uplink is 0, utilizes main broadcaster
Start broadcasting end and user watch the delays in 4 seconds at end (video council that usually, user sees than slow 5 seconds of main broadcaster in all calculate just
Often).Server mends packet and starts broadcasting to main broadcaster automatically, allows the code check of main broadcaster that can reach setting code check.
3) when the network condition of main broadcaster is all very normal but frame per second is too low.Code check also can be very low for normal, example
If main broadcaster's setting starts broadcasting frame per second as 20 frames, the code check that starts broadcasting is 2M.
Since actual frame per second only has 10 frames, then the actual bit rate to start broadcasting and frame per second are proportional, so practical
The code check that starts broadcasting just only has 1M, and such video is likely to occur fuzzy.
When server judges the frame per second/setting frame per second that actually starts broadcasting<When 0.8 (this value can be set), this when, service
Main broadcaster's code check that starts broadcasting intelligently can be dynamically adapted to setting code check 2M by device.
Referring to Fig. 3, a kind of one embodiment of device for improving video definition provided in an embodiment of the present invention, packet
It includes:
Judging unit 301, for after the upload parameter for the net cast network for judging main broadcaster end reaches parameter request, sentencing
Whether the net cast network at the disconnected main broadcaster end occurs network jitter, if so, frame unit is mended in triggering；
Frame unit 302 is mended, mends frame operation for carrying out image to the video at the main broadcaster end so that the reality at the main broadcaster end
Border live streaming code check is equal to preset live streaming code check；
A kind of device for improving video definition provided in an embodiment of the present invention further includes：Compensating unit 303, for sentencing
The net cast network at the disconnected main broadcaster end does not occur network jitter and judges the live streaming frame per second at the main broadcaster end less than preset
After frame per second requirement, low frame per second compensating operation is carried out to the video at the main broadcaster end, and by the practical live streaming code check at the main broadcaster end
It is promoted to preset live streaming code check.
A kind of device for improving video definition provided in an embodiment of the present invention further includes：Transmitting element 304, for sentencing
After parameter request is not achieved in the upload parameter of the net cast network at disconnected main broadcaster end, it is not up to standard to send network to the main broadcaster end
Prompt message.
A kind of device for improving video definition provided in an embodiment of the present invention further includes：Unit 305 is reduced, for sentencing
After parameter request is not achieved in the upload parameter of the net cast network at disconnected main broadcaster end, by the main broadcaster end by the main broadcaster end
Net cast code check is reduced to the upload network upper limit value at the main broadcaster end.
Referring to Fig. 5, a kind of one embodiment of system for improving video definition provided in an embodiment of the present invention, packet
It includes：
The raising device of video definition as described above and main broadcaster end；
Improve the device of video definition and the communication connection of main broadcaster end.
The technical staff in category field can be understood that for convenience and simplicity of description, the system of foregoing description fills
The specific work process with unit is put, the corresponding process in preceding method embodiment can be referred to, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, device and method can be with
It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit
It divides, only a kind of division of logic function can have other dividing mode, such as multiple units or component in actual implementation
It may be combined or can be integrated into another system or some features can be ignored or does not perform.Another point, it is shown or
The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit
It closes or communicates to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit
The component shown may or may not be physical unit, you can be located at a place or can also be distributed to multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
That each unit is individually physically present, can also two or more units integrate in a unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is independent product sale or uses
When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme of the present invention is substantially
The part to contribute in other words to the prior art or all or part of the technical solution can be in the form of software products
It embodies, which is stored in a storage medium, is used including some instructions so that a computer
Equipment (can be personal computer, server or the network equipment etc.) performs the complete of each embodiment the method for the present invention
Portion or part steps.And aforementioned storage medium includes：USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to before
Embodiment is stated the present invention is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
The technical solution recorded in each embodiment is stated to modify or carry out equivalent replacement to which part technical characteristic；And these
Modification is replaced, the spirit and scope for various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution.
Claims (11)
- A kind of 1. method for improving video definition, which is characterized in that including：S1：After the upload parameter for the net cast network for judging main broadcaster end reaches parameter request, regarding for the main broadcaster end is judged Whether frequency Living Network occurs network jitter, if so, performing S2；S2：Image is carried out to the video at the main broadcaster end and mends frame operation so that the practical live streaming code check at the main broadcaster end is equal to pre- Put live streaming code check.
- 2. the method according to claim 1 for improving video definition, which is characterized in that further include：Network jitter does not occur in the net cast network for judging the main broadcaster end and judges the live streaming frame per second at the main broadcaster end After being required less than preset frame per second, low frame per second compensating operation is carried out to the video at the main broadcaster end, and by the reality at the main broadcaster end Live streaming code check is promoted to preset live streaming code check.
- 3. the method according to claim 2 for improving video definition, which is characterized in that further include：Judging main broadcaster end Net cast network upload parameter parameter request is not achieved after, send network prompting not up to standard to the main broadcaster end and believe Breath.
- 4. the method according to claim 2 for improving video definition, which is characterized in that further include：Judging main broadcaster end Net cast network upload parameter parameter request is not achieved after, by the main broadcaster end by the net cast at the main broadcaster end Code check is reduced to the upload network upper limit value at the main broadcaster end.
- 5. the method according to claim 1 for improving video definition, which is characterized in that the main broadcaster end for mobile phone terminal or Pc client or WEB terminal.
- 6. according to the method for the raising video definition described in claim 1 to 5 any one, which is characterized in that described to upload ginseng Number includes：Resolution ratio, preset live streaming code check, practical live streaming code check, live streaming frame per second, coding mode and image quality class is broadcast live.
- 7. a kind of device for improving video definition, which is characterized in that including：Judging unit, for after the upload parameter for the net cast network for judging main broadcaster end reaches parameter request, described in judgement Whether the net cast network at main broadcaster end occurs network jitter, if so, frame unit is mended in triggering；Frame unit is mended, mends frame operation for carrying out image to the video at the main broadcaster end so that the practical live streaming at the main broadcaster end Code check is equal to preset live streaming code check.
- 8. the device according to claim 7 for improving video definition, which is characterized in that further include：Compensating unit is used for It is less than in the live streaming frame per second that network jitter does not occur for the net cast network for judging the main broadcaster end and judges the main broadcaster end After the requirement of preset frame per second, low frame per second compensating operation is carried out to the video at the main broadcaster end, and by the practical live streaming at the main broadcaster end Code check is promoted to preset live streaming code check.
- 9. the device according to claim 8 for improving video definition, which is characterized in that further include：Transmitting element is used for After parameter request is not achieved in the upload parameter for the net cast network for judging main broadcaster end, sends network to the main broadcaster end and do not reach Target prompt message.
- 10. the device according to claim 8 for improving video definition, which is characterized in that further include：Unit is reduced, is used After parameter request is not achieved in the upload parameter for the net cast network for judging main broadcaster end, by the main broadcaster end by the master The net cast code check for broadcasting end is reduced to the upload network upper limit value at the main broadcaster end.
- 11. a kind of system for improving video definition, which is characterized in that including：As described in claim 7 to 10 any one Improve the device of video definition and main broadcaster end；The device for improving video definition and main broadcaster end communication connection.
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