CN106331701A - Picture refreshment method and apparatus - Google Patents
Picture refreshment method and apparatus Download PDFInfo
- Publication number
- CN106331701A CN106331701A CN201510331119.1A CN201510331119A CN106331701A CN 106331701 A CN106331701 A CN 106331701A CN 201510331119 A CN201510331119 A CN 201510331119A CN 106331701 A CN106331701 A CN 106331701A
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- mcu
- far
- picture
- local terminal
- key frame
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000012790 confirmation Methods 0.000 claims description 10
- 230000001143 conditioned effect Effects 0.000 claims description 7
- 230000000977 initiatory effect Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 230000006854 communication Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
-
- 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 or rendering scenes according to encoded video stream scene graphs
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Telephonic Communication Services (AREA)
Abstract
The invention discloses a picture refreshment method and apparatus. The method comprises steps that a local terminal detects a preset instruction from a user, and sends a picture refreshment request to a remote end or a conference control unit MCU; and the local terminal receives a key frame from the remote end or the MCU, and refreshes a picture according to the received key frame. By the scheme of the invention, only when the local terminal detects the preset instruction from the user, the local terminal sends the picture refreshment request to the remote end or the MCU, so that the coding and decoding pressure of the local terminal and the remote end or the MCU is reduced.
Description
Technical field
The present invention relates to video conference field, the method and apparatus of a kind of refresh picture.
Background technology
Along with the development in video conference field, software terminal occurs on mobile terminals, these mobile terminals
Including but not limited to mobile phone, panel computer etc., user can pass through to install software terminal on mobile terminals,
Thus realize on mobile terminals video conference call, video conference communication process can use Wifi,
Mobile data network (such as 3G, 4G etc.) carries out data transmission, and it has the features such as portable, mobile.
But, video conference based on real-time transmission consideration employ RTP (RTP,
Real-time Transport Protocol) agreement, due to Real-time Transport Protocol use User Datagram Protocol (UDP,
User Datagram Protocol) mode that connects, video data there will be in network transmission process to be lost
Bag, the problem such as out of order, especially in the case of network difference, once go wrong, and picture there will be flower
Screen does not sees the most completely, directly affects Consumer's Experience.For out of order problem, industry has many outstanding
Service quality (QoS, Quality of Service) algorithm solve, packet loss is then set up to certain heavy
The mechanism of biography solves, and i.e. carries out picture refreshing.
The method of existing refresh picture generally comprises: to far-end or Conference control list when local terminal decodes unsuccessfully
Unit (MCU, Multi Control Unit) sends picture refreshing request, and far-end or MCU receive picture
After the refresh requests of face, send confirmation request response message to local terminal, and send key frame (or I to local terminal
Frame, i.e. comprises the Frame of a complete picture), local terminal is according to receiving key frame refresh picture.
In the method for existing refresh picture, in the case of network is poor, can be constantly in the local terminal short time
Transmission picture refreshing is asked, and the encoding and decoding pressure causing local terminal and far-end or MCU is bigger.
Summary of the invention
In order to solve the problems referred to above, the present invention proposes the method and apparatus of a kind of refresh picture, it is possible to fall
The encoding and decoding pressure of low local terminal and far-end or MCU.
In order to achieve the above object, the present invention proposes a kind of method of refresh picture, including:
Local terminal detects the preset instructions from user, sends picture to far-end or conference control unit MCU
Face refresh requests；
Local terminal receives the key frame from far-end or MCU, according to the key frame refresh picture received.
Preferably, described after far-end or MCU send picture refreshing request, receive at described local terminal
Also included before the key frame of far-end or MCU:
Described local terminal receives the confirmation request response from described far-end or MCU.
Preferably, described local terminal detects that the preset instructions from user includes:
Described local terminal detects that the shake of shaking from described user is made or rotary movement or default gesture；
Or, described local terminal judges that self residing light luminance meets pre-conditioned.
Preferably, described send picture refreshing request to far-end or MCU and include:
Session initiation protocol SIP is used to send the request of described picture refreshing to described far-end or MCU.
The invention allows for the device of a kind of refresh picture, at least include:
Detection module, for detecting the preset instructions from user；
Sending module, for sending picture refreshing request to far-end or conference control unit MCU；
Receiver module, for receiving the key frame from far-end or MCU；
Refresh module, for according to the key frame refresh picture received.
Preferably, described receiver module specifically for:
Receive the confirmation request response from described far-end or MCU, receive from described far
End or the key frame of MCU.
Preferably, described detection module specifically for:
Detect that the shake of shaking from described user is made or rotary movement or default gesture；Or,
Judge that self residing light luminance meets pre-conditioned.
Preferably, described sending module specifically for:
Session initiation protocol SIP is used to send the request of described picture refreshing to described far-end or MCU.
Compared with prior art, the present invention includes: local terminal detects the preset instructions from user, Xiang Yuan
End or MCU send picture refreshing request；Local terminal receives the key frame from far-end or MCU, root
According to the key frame refresh picture received.By the solution of the present invention, local terminal is detecting from user's
During preset instructions, just send picture refreshing request to far-end or MCU, thus reduce local terminal and far-end
Or the encoding and decoding pressure of MCU.
Accompanying drawing explanation
Illustrating the accompanying drawing in the embodiment of the present invention below, the accompanying drawing in embodiment is for this
Bright is further appreciated by, and is used for explaining the present invention, is not intended that and the present invention is protected model together with description
The restriction enclosed.
Fig. 1 is the flow chart of the method for refresh picture of the present invention；
Fig. 2 is the structure composition schematic diagram of the device of refresh picture of the present invention；
Fig. 3 is the flow chart of the specific embodiment of the method for refresh picture of the present invention.
Detailed description of the invention
For the ease of the understanding of those skilled in the art, below in conjunction with the accompanying drawings the present invention is further retouched
State, can not be used for limiting the scope of the invention.It should be noted that in the case of not conflicting,
Embodiment in the application and the various modes in embodiment can be mutually combined.
Seeing Fig. 1, the present invention proposes a kind of method of refresh picture, including:
Step 100, local terminal detect the preset instructions from user, send picture to far-end or MCU
Refresh requests.
In this step, local terminal detects that the preset instructions from user includes: local terminal detects from user
A shake of shaking make or rotary movement or default gesture；Or, local terminal judges self residing light
Line brightness meets pre-conditioned.
Wherein it is possible to use gravity sensor or gyroscope to detect shake a shake work, gyro can be used
Instrument detects rotary movement, touch screen can be used to detect default gesture, can use light sensor
Detect self residing light luminance.
Wherein, default gesture can be slip gesture, clicks on gesture, double-clicks gesture etc., pre-conditioned can
Being self residing light luminance less than or equal to predetermined luminance etc..
In this step, send picture refreshing request to far-end or MCU and include: use session initiation protocol
(SIP, Session Initiating Protocol) sends picture refreshing request to far-end or MCU.
Step 101, local terminal receive the key frame from far-end or MCU, according to the refreshing received
Picture.
In this step, local terminal also included receiving before the key frame of far-end or MCU: local terminal
Receive the confirmation request response from far-end or MCU.
By the solution of the present invention, local terminal when the preset instructions from user being detected, just to far-end or
MCU sends picture refreshing request, thus reduces the encoding and decoding pressure of local terminal and far-end or MCU.
See Fig. 2, the invention allows for the device of a kind of refresh picture, can be arranged in local terminal,
At least include:
Detection module, for detecting the preset instructions from user；
Sending module, for sending picture refreshing request to far-end or conference control unit MCU；
Receiver module, for receiving the key frame from far-end or MCU；
Refresh module, for according to the key frame refresh picture received.
In assembly of the invention, receiver module specifically for:
Receive the confirmation request response from far-end or MCU, receive from far-end or MCU
Key frame.
In assembly of the invention, detection module specifically for:
Detect that the shake of shaking from user is made or rotary movement or default gesture；Or, it is judged that
Go out self residing light luminance and meet pre-conditioned.
In assembly of the invention, sending module specifically for:
Session initiation protocol SIP is used to send picture refreshing request to far-end or MCU.
The method describing the present invention in detail below by specific embodiment.
Seeing Fig. 3, the method includes:
The shake of shaking that step 300, local terminal use gravity sensor to detect from user is made.
Step 301, when detect from user shake one shake make after, local terminal to far-end send picture brush
Newly requested (VCU, Video Command " Fast Update Request ").
In this step, the form of VCU can define according to physical signaling, and intercommunication two ends are unified.Such as,
SIP can be used to realize video conference call flow, can in SIP INFO signaling band extensible markup language
It is fixed that speech (XML, Extensible Markup Language) data describe the unification realizing asking message
Justice.
After step 302, far-end receive VCU, reply confirmation request response message to local terminal, and to this
End sends I frame.
In this step, confirmation request response message can be SIP 200OK.
Step 303, local terminal receive confirmation request response message and I frame, are decoded I frame and show
The picture that decoding obtains, thus realize picture refreshing.
Understand it should be noted that embodiment described above is for only for ease of those skilled in the art
, it is not limited to protection scope of the present invention, in the premise of the inventive concept without departing from the present invention
Under, any obvious replacement that the present invention is made by those skilled in the art and improvement etc. are all at this
Within the protection domain of invention.
Claims (8)
1. the method for a refresh picture, it is characterised in that including:
Local terminal detects the preset instructions from user, sends picture to far-end or conference control unit MCU
Face refresh requests；
Local terminal receives the key frame from far-end or MCU, according to the key frame refresh picture received.
Method the most according to claim 1, it is characterised in that described send to far-end or MCU
After picture refreshing request, receive at described local terminal and also included before the key frame of far-end or MCU:
Described local terminal receives the confirmation request response from described far-end or MCU.
Method the most according to claim 1 and 2, it is characterised in that described local terminal detect from
The preset instructions of user includes:
Described local terminal detects that the shake of shaking from described user is made or rotary movement or default gesture；
Or, described local terminal judges that self residing light luminance meets pre-conditioned.
Method the most according to claim 1 and 2, it is characterised in that described to far-end or MCU
Send picture refreshing request to include:
Session initiation protocol SIP is used to send the request of described picture refreshing to described far-end or MCU.
5. the device of a refresh picture, it is characterised in that at least include:
Detection module, for detecting the preset instructions from user；
Sending module, for sending picture refreshing request to far-end or conference control unit MCU；
Receiver module, for receiving the key frame from far-end or MCU；
Refresh module, for according to the key frame refresh picture received.
Device the most according to claim 5, it is characterised in that described receiver module specifically for:
Receive the confirmation request response from described far-end or MCU, receive from described far
End or the key frame of MCU.
7. according to the device described in claim 5 or 6, it is characterised in that described detection module is specifically used
In:
Detect that the shake of shaking from described user is made or rotary movement or default gesture；Or,
Judge that self residing light luminance meets pre-conditioned.
8. according to the device described in claim 5 or 6, it is characterised in that described sending module is specifically used
In:
Session initiation protocol SIP is used to send the request of described picture refreshing to described far-end or MCU.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510331119.1A CN106331701A (en) | 2015-06-15 | 2015-06-15 | Picture refreshment method and apparatus |
| PCT/CN2016/077018 WO2016202032A1 (en) | 2015-06-15 | 2016-03-22 | Picture refreshment method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510331119.1A CN106331701A (en) | 2015-06-15 | 2015-06-15 | Picture refreshment method and apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106331701A true CN106331701A (en) | 2017-01-11 |
Family
ID=57544969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510331119.1A Pending CN106331701A (en) | 2015-06-15 | 2015-06-15 | Picture refreshment method and apparatus |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106331701A (en) |
| WO (1) | WO2016202032A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1098583A (en) * | 1993-05-31 | 1995-02-08 | 三星电子株式会社 | In television telephone system, recover the method and apparatus of image |
| CN101874377A (en) * | 2007-10-23 | 2010-10-27 | 诺基亚公司 | The retransmission capabilities of in the semi-persistent transmission, improving |
| US20130276017A1 (en) * | 2012-04-12 | 2013-10-17 | Qualcomm Incorporated | Broadcast content via over the top delivery |
| CN104159166A (en) * | 2014-08-07 | 2014-11-19 | 西安交通大学 | Live video data transmission error control method based on mobile network packet loss status |
| CN104469244A (en) * | 2013-09-13 | 2015-03-25 | 联想(北京)有限公司 | A network based video image adjusting method and system |
| CN104703053A (en) * | 2015-03-11 | 2015-06-10 | 青岛海尔智能家电科技有限公司 | Packet loss processing method, device and system of video transmission process |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7796499B2 (en) * | 2003-12-05 | 2010-09-14 | Telefonaktiebolaget L M Ericsson (Publ) | Method of and system for video fast update |
| JP2010191553A (en) * | 2009-02-17 | 2010-09-02 | Hitachi Ltd | Image transmission/reception system |
| CN104284135B (en) * | 2013-07-02 | 2017-11-24 | 华为技术有限公司 | Video transmission method and equipment |
-
2015
- 2015-06-15 CN CN201510331119.1A patent/CN106331701A/en active Pending
-
2016
- 2016-03-22 WO PCT/CN2016/077018 patent/WO2016202032A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1098583A (en) * | 1993-05-31 | 1995-02-08 | 三星电子株式会社 | In television telephone system, recover the method and apparatus of image |
| CN101874377A (en) * | 2007-10-23 | 2010-10-27 | 诺基亚公司 | The retransmission capabilities of in the semi-persistent transmission, improving |
| US20130276017A1 (en) * | 2012-04-12 | 2013-10-17 | Qualcomm Incorporated | Broadcast content via over the top delivery |
| CN104469244A (en) * | 2013-09-13 | 2015-03-25 | 联想(北京)有限公司 | A network based video image adjusting method and system |
| CN104159166A (en) * | 2014-08-07 | 2014-11-19 | 西安交通大学 | Live video data transmission error control method based on mobile network packet loss status |
| CN104703053A (en) * | 2015-03-11 | 2015-06-10 | 青岛海尔智能家电科技有限公司 | Packet loss processing method, device and system of video transmission process |
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| Publication number | Publication date |
|---|---|
| WO2016202032A1 (en) | 2016-12-22 |
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Application publication date: 20170111 |