CN107395328A - Gradual data encoding transmission method - Google Patents
Gradual data encoding transmission method Download PDFInfo
- Publication number
- CN107395328A CN107395328A CN201710710212.2A CN201710710212A CN107395328A CN 107395328 A CN107395328 A CN 107395328A CN 201710710212 A CN201710710212 A CN 201710710212A CN 107395328 A CN107395328 A CN 107395328A
- Authority
- CN
- China
- Prior art keywords
- data
- transmission
- server
- client
- gradation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0014—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the source coding
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0002—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission rate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/163—In-band adaptation of TCP data exchange; In-band control procedures
Abstract
A kind of gradual data encoding transmission method, including：The current window size of server is obtained, and stores the current window size；Request server is encoded using progressive coding transmission means to data；The gradation transmission quantity of server transport coded data is determined according to the species of progressive coding transmission means；Compare the current window size of server and form size during last transmission data, and the gradation transmission quantity of server current transmission data is determined according to result of the comparison；Server is notified to transmit data, and the data of the reception server transmission according to the gradation transmission quantity.The present invention also provides a kind of gradual data encoding Transmission system.It can overcome progressive coding transmission can not be the very first time parse preferable picture the defects of using the present invention.
Description
The application be Application No. 2012105611464, the applying date be that December 21, invention and created name in 2012 are
The divisional application of the patent of " gradual data encoding transmission method ".
Technical field
The present invention relates to the progressive coding transmission method of a kind of data transmission method, more particularly to a kind of data.
Background technology
Showing the mode of picture on network at present has two kinds of sequential coding and progressive coding.Sequential coding refers to：
Include after picture is processed by order left-to-right, from top to bottom on screen.And progressive coding is then first by picture
General profile or fuzzy image are shown on screen, are then again slowly mended the detailed information of picture by the requirement of client
Foot, picture is transmitted by obscuring clearly mode.Current progressive coding using the data volume that transmission picture is fixed every time to
Client decodes, then by picture by obscuring to clearly slowly showing.However, the progressive coding can not be in network
When frequency range allows to receive larger amount of data, the picture of certain mass is shown in the very first time, is such as shown in the very first time more clear
The picture of Chu.
The content of the invention
In view of the foregoing, it is necessary to a kind of gradual data encoding Transmission system is provided, progressive coding can be overcome
Transmission can not be parse preferable picture the defects of the very first time.
It there is a need to and a kind of gradual data encoding transmission method is provided, can overcome progressive coding transmission can not be the
The defects of one time parsed preferable picture.
The gradual data encoding Transmission system, runs on a client.The system includes：Acquisition module, it is used for
The current window size of the client is obtained, and stores the current window size；Request module, for asking the server to use
Progressive coding transmission means is encoded to data, and the data after coding are temporarily stored in the buffer of the server；Adjust mould
Block, for determining the gradation transmission quantity of server transport coded data according to the species of progressive coding transmission means, compare
The current window size of client and form size during last transmission data, and server is determined according to the result of the comparison
The gradation transmission quantity of current transmission data；And receiving module, for notifying gradation transmission quantity of the server according to the determination
Data are transmitted, receive the data of the server transport.
The gradual data encoding transmission method, applied to a client.This method includes：Obtaining step, obtain
The current window size of the client, and store the current window size；Request step, the server is asked to use gradual volume
Code transmission means is encoded to data, and the data after coding are temporarily stored in the buffer of the server；Set-up procedure one, according to
The species of progressive coding transmission means determines the gradation transmission quantity of server transport coded data；Set-up procedure two, compares
The current window size of client and form size during last transmission data, and according to the result of the comparison, it is determined that service
The gradation transmission quantity of device current transmission data；And receiving step, notify the server to be passed according to the gradation transmission quantity of the determination
Transmission of data, receive the data of the server transport.
A kind of gradual data encoding transmission method, applied in server.This method includes：Customer in response end asks
Ask, a gradual data transmission terminal is provided for client；Data are carried out with progressive coding transmission means using encoder
Coding；Data after coding are temporary in a buffer；And customer in response end notice and according to client determine gradation pass
Throughput rate transmits data.
Compared to prior art, the gradual data encoding Transmission system, the window size in TCP packages are utilized
To determine to send the data volume of client to every time during progressive transmission, and more data are transmitted when frequency band is wider
Amount so that the very first time can parse preferable picture and show.
Brief description of the drawings
Fig. 1 is the running environment schematic diagram of the gradual data encoding Transmission system preferred embodiment of the present invention.
Fig. 2 is the functional block diagram of gradual data encoding Transmission system preferred embodiment in Fig. 1.
Fig. 3 is the operation process chart of the gradual data encoding transmission method preferred embodiment of the present invention.
Main element symbol description
| Client | 1 |
| Storage device | 10 |
| Processor | 12 |
| Display screen | 14 |
| Decoder | 16 |
| Gradual data encoding Transmission system | 100 |
| Server | 2 |
| Memory | 20 |
| Gradual data encoding transmission unit | 200 |
| Encoder | 22 |
| Buffer | 24 |
| Acquisition module | 1000 |
| Request module | 1002 |
| Adjusting module | 1004 |
| Receiving module | 1006 |
Following embodiment will combine above-mentioned accompanying drawing and further illustrate the present invention.
Embodiment
As shown in figure 1, it is the running environment schematic diagram of the gradual data encoding Transmission system preferred embodiment of the present invention.Should
Gradual data encoding Transmission system 100 is run in a client 1, and the client 1 is connected by network and a server 2
Connect.In the present embodiment, the network defers to transmission control protocol (Transmission Control Protocol, TCP).
The server 2 mainly includes memory 20, encoder 22 and buffer 24.
A gradual data encoding transmission unit 200 is stored in the memory 20.The gradual data encoding passes
Defeated unit 200 is made up of one or more computerization program segments, with the gradual data encoding Transmission system in client 1
100 is interactive, to realize the progressive coding of data and transfer function.
Specifically, the gradual data encoding transmission unit 200 is used for the request at customer in response end 1, is carried for client 1
For a gradual data transmission terminal, data are encoded with progressive coding transmission means using encoder 22, and will be compiled
Data after code are temporarily stored in buffer 24.Then, gradual data encoding transmission unit 200 will according to the demand of client 1
Data in buffer 24 do corresponding transmission.
In the present embodiment, because the network of the connection server 2 of client 1 defers to transmission control protocol, therefore server 2
It is TCP packages to transmit to the data of client 1.
The client 1 mainly includes storage device 10, at least a processor 12, display screen 14 and decoder 16.
The storage device 10 is used for the computer programing generation for storing the gradual data encoding Transmission system 100
Code.The storage device 10 can be the memory built in client 1, or the external memory of client 1.
An at least processor 12 is used for the computer program for performing the gradual data encoding Transmission system 100
Code, filed a request to server 2, it is desirable to which server 2 is transmitted data encoding and by several times with progressive coding transmission means, is connect
The TCP packages that server 2 transmits are received, and the TCP packages received are subjected to decoding operate using decoder 16.
The display screen 14 is used for the data for showing that decoder 16 is obtained after being decoded to the TCP packages, the data
Such as picture.
As shown in Fig. 2 it is the functional block diagram of the gradual preferred embodiment of data encoding Transmission system 100 in Fig. 1.This is gradually
Entering formula data encoding Transmission system 100 includes acquisition module 1000, request module 1002, adjusting module 1004 and receiving module
1006.Module alleged by the present invention is to complete the computer program code segments of a specific function, is existed than program more suitable for description software
Implementation procedure in computer, therefore software description is all described with module below the present invention.The work(of module 1000 to 1006
It will can be described in detail in figure 3.
As shown in figure 3, it is the operation process chart of the gradual data encoding transmission method preferred embodiment of the present invention.
Step S100, client 1 are established with server 2 and connected, and after successful connection, the gradual number in server 2
Information, which can be sent, according to coding transmission unit 200 informs that client 1 is successfully established connection.Wherein, gradual data encoding transmission is single
The information that member 200 is sent is a TCP package.For the TCP packages being different from during following transmission data, the present embodiment will herein
TCP packages be defined as TCP form packages.
Step S102, acquisition module 1000 obtains the current window size of server 2 from the TCP forms package, and deposits
The current window size is stored up in storage device 10.
It should be noted that the translator of English of the form size in the present embodiment is window size or sliding
Window size, its be used for define once can receive or transmit data buffer size (in the present embodiment referred to as " point
Secondary transmission quantity ").The principal element for determining the gradation transmission quantity is network bandwidth.
Step S104, request module 1002 send information to server 2, ask the server 2 to be passed using progressive coding
Defeated mode encodes to data.After server 2 receives the information, encoder 22 can be utilized to needing to be sent to client
1 data carry out progressive coding, and the data after coding are TCP packages.For example, the data can be picture, picture is compiled
TCP packages are obtained after code.
Step S106, server 2 send information and inform the success of the progressive coding of client 1, and by the data after coding (i.e.
TCP packages) it is temporarily stored in buffer 24.
Step S108, adjusting module 1004 determine that server 2 transmits TCP and sealed according to the species of progressive coding transmission means
The gradation transmission quantity of bag.
Wherein, gradation transmission quantity corresponding to the species of every kind of progressive coding transmission means is different.In the present embodiment, this is gradually
The species for entering formula coding transfer method be layered simultaneously biography by several times including a pictures are divided into multiple digit planes (bit plane)
Send, a pictures are carried out to the coefficient transmission by several times according to caused by after discrete cosine (DCT) conversion.
For example, if the species of progressive coding transmission means is layered for a pictures are divided into multiple bit plane
Transmission, adjusting module 1004 then determine once to pass how many individual bit plane TCP packages.If progressive coding transmission means
Species is that the coefficient according to caused by transmits by several times after a pictures are carried out into DCT conversions, and adjusting module 1004 then determines once
Pass the TCP packages of how many individual coefficients.
Step S110, adjusting module 1004 compare the current window size of client and form during last transmission data
Size (hereinafter referred to as " last form size "), and judge whether the current window size is more than or waits in step S112
In last form size.When judged result is no, flow enters step S114.When judged result for when being, flow enters
Step S116.
Step S114, adjusting module 1004 reduce the gradation transmission quantity of data, and then flow enters step S118.I.e.：When
The transmission quantity of the preceding TCP packages of transmission every time is less than gradation transmission quantity during last transmission data.
Step S116, adjusting module 1004 improve the gradation transmission quantity of data, and then flow enters step S118.I.e.：When
The transmission quantity of the preceding TCP packages of transmission every time is more than gradation transmission quantity during last transmission data.
Assuming that the species of progressive coding transmission means is that a pictures are divided into eight bit used by server 2
Plane is transmitted by several times to do, if current window size is more than or equal to last form size, representing network bandwidth can receive
Than last more TCP packages, now, client 1 can require that server 2 once transmits more bit plane.Example
Such as, it is assumed that gradation transmission quantity during last time transmission data is once passes four layers of bit plane, if current window size is more than
Or equal to last form size, then, the gradation transmission quantity of current data can be brought up to every time transmission five layers, six layers, seven
Layer or eight layers of bit plane.
If current window size is less than last form size, more TCP envelopes can not be handled at present by representing client 1
Bag, client 1 can require that server 2 only transmits one layer of bit plane every time, so still can reach the effect of progressive transmission.Example
Such as, it is assumed that gradation transmission quantity during last time transmission data is once passes four layers of bit plane, if current window size is less than
Last form size, then, the gradation transmission quantity of current data can be reduced to three layers, two layers or one layer bit of transmission every time
plane。
Step S118, receiving module 1006 notify the server 2 to transmit data according to the gradation transmission quantity of the determination, connect
The data of the server transport are received, client 1 carries out decoding operate using decoder 16 to the data of reception, and will be decoded
Data are shown on display screen 14.Herein, the data that server 2 transmits are TCP packages.
Step S110, the data volume as needed of receiving module 1006 and received data amount judge whether data are transmitted
Finish.
When judged result is data end of transmission, terminate flow.
When judged result end of transmission non-for data, flow is back to step S110.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although reference
The present invention is described in detail for preferred embodiment, it will be understood by those within the art that, can be to the present invention's
Technical scheme is modified or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention.
Claims (4)
1. a kind of gradual data encoding transmission method, it is characterised in that this method includes：
Obtaining step, obtains the current window size for the server being connected with the client, and stores the current window size；
Request step, the server is asked to be encoded using progressive coding transmission means to data, the data after coding are temporary
In the presence of in the buffer of the server；
Set-up procedure one, the gradation for determining the server transport coded data according to the species of progressive coding transmission means pass
Throughput rate；
Set-up procedure two, the current window size of the server and form size during last transmission data, and root
According to the result of the comparison, the gradation transmission quantity of server current transmission data is determined；And
Receiving step, notify the server to transmit data according to the gradation transmission quantity of the current transmission data of the determination, receive
The data of the server transport；
The request at customer in response end, a gradual data transmission terminal is provided for client；
Data are encoded with progressive coding transmission means using encoder；
Data after coding are temporary in a buffer；And
The notice at customer in response end and the gradation transmission quantity transmission data determined according to client.
If current window size is more than or equal to form size during last transmission data, improves the server and work as forward pass
The gradation transmission quantity of transmission of data；And
If current window size is less than form size during last transmission data, the server current transmission data are reduced
Gradation transmission quantity.
2. gradual data encoding transmission method as claimed in claim 1, it is characterised in that the server is receiving visitor
After the request encoded using progressive coding transmission means to data that family end is sent, the number to needing to be transferred to client
According to progressive coding is carried out, client progressive coding success is informed, and the data after coding are temporary in a buffer.
3. gradual data encoding transmission method as claimed in claim 1, it is characterised in that this method also includes：
Decoding step, the data received are subjected to decoding operate.
4. gradual data encoding transmission method as claimed in claim 1, it is characterised in that this method is wrapped before obtaining step
Include：
The client is established with the server and connected；And
The server informs that the client is successfully established connection after successful connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710710212.2A CN107395328B (en) | 2012-12-21 | 2012-12-21 | Progressive data coding transmission method |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210561146.4A CN103888214B (en) | 2012-12-21 | 2012-12-21 | Gradual data encoding transmission method |
| CN201710710212.2A CN107395328B (en) | 2012-12-21 | 2012-12-21 | Progressive data coding transmission method |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210561146.4A Division CN103888214B (en) | 2012-12-21 | 2012-12-21 | Gradual data encoding transmission method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107395328A true CN107395328A (en) | 2017-11-24 |
| CN107395328B CN107395328B (en) | 2019-12-13 |
Family
ID=50956948
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710710212.2A Active CN107395328B (en) | 2012-12-21 | 2012-12-21 | Progressive data coding transmission method |
| CN201710592952.0A Pending CN107181573A (en) | 2012-12-21 | 2012-12-21 | Gradual data encoding Transmission system |
| CN201210561146.4A Expired - Fee Related CN103888214B (en) | 2012-12-21 | 2012-12-21 | Gradual data encoding transmission method |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710592952.0A Pending CN107181573A (en) | 2012-12-21 | 2012-12-21 | Gradual data encoding Transmission system |
| CN201210561146.4A Expired - Fee Related CN103888214B (en) | 2012-12-21 | 2012-12-21 | Gradual data encoding transmission method |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN107395328B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110446081B (en) * | 2019-09-04 | 2022-02-22 | 南京安谱软件有限公司 | Video processing method, device and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1783852A (en) * | 2004-12-03 | 2006-06-07 | 微软公司 | Efficient transfer of messages using reliable messaging protocols for WEB services |
| US20100054123A1 (en) * | 2008-08-30 | 2010-03-04 | Liu Yong | Method and device for hign utilization and efficient flow control over networks with long transmission latency |
| US20120078994A1 (en) * | 2010-09-29 | 2012-03-29 | Steve Jackowski | Systems and methods for providing quality of service via a flow controlled tunnel |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102075741B (en) * | 2010-12-14 | 2012-12-12 | 北京华环电子股份有限公司 | Image transmission method, terminal and system |
-
2012
- 2012-12-21 CN CN201710710212.2A patent/CN107395328B/en active Active
- 2012-12-21 CN CN201710592952.0A patent/CN107181573A/en active Pending
- 2012-12-21 CN CN201210561146.4A patent/CN103888214B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1783852A (en) * | 2004-12-03 | 2006-06-07 | 微软公司 | Efficient transfer of messages using reliable messaging protocols for WEB services |
| US20100054123A1 (en) * | 2008-08-30 | 2010-03-04 | Liu Yong | Method and device for hign utilization and efficient flow control over networks with long transmission latency |
| US20120078994A1 (en) * | 2010-09-29 | 2012-03-29 | Steve Jackowski | Systems and methods for providing quality of service via a flow controlled tunnel |
Non-Patent Citations (1)
| Title |
|---|
| 付放鸣: ""面向自适应码流的渐进编码方法的研究"", 《信息安全技术》 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107395328B (en) | 2019-12-13 |
| CN107181573A (en) | 2017-09-19 |
| CN103888214A (en) | 2014-06-25 |
| CN103888214B (en) | 2017-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104199927B (en) | Data processing method and data processing equipment | |
| EP2285029B1 (en) | Data transmission method, transmission system and data transmitter | |
| JP3201265B2 (en) | Data transmission apparatus and method | |
| CN103346800B (en) | A kind of data compression method and device | |
| CN106603506B (en) | Data communication method, device and system based on multi-field bus | |
| CN109547467A (en) | Media data error correction transmission and error correction method, device, equipment and storage medium | |
| EP2219117A1 (en) | A processing module, a device, and a method for processing of XML data | |
| CN107181794B (en) | DICOM network transmission method based on DIMSE message sending and receiving | |
| CN113271493A (en) | Video stream decoding method and computer-readable storage medium | |
| CN103248951A (en) | System and method for adding scrolling information into video | |
| CN103888214B (en) | Gradual data encoding transmission method | |
| CN105635802A (en) | Transmission method of digital media data and device | |
| CA2539464A1 (en) | System and method for dynamic content processing with extendable provisioning | |
| CN103503381B (en) | The method of data transmission of device redirection, Apparatus and system | |
| US20160330298A1 (en) | System, Terminal, Server, and Method for Data Transmission | |
| US20120294541A1 (en) | Transform Space Difference Compression | |
| US7925721B2 (en) | Method and apparatus for converting the modality of multimedia contents to support the quality of service according to media resource | |
| CN115630614B (en) | Data transmission method, device, electronic equipment and medium | |
| EP1710719B1 (en) | Image transmission method, computer-readable image transmission program, and image transmission apparatus | |
| US20060133678A1 (en) | Data transfer system | |
| JP2014123355A (en) | Data encode transmission system and method therefor | |
| CN101309259B (en) | Distributed image display method | |
| CN116863949A (en) | Communication receiving method and device thereof | |
| US7787624B2 (en) | Method for inserting synchronization markers into a video stream, compatible with a block cipher | |
| WO2021036189A1 (en) | Rdma data sending and receiving methods, electronic device and readable storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191120 Address after: 511400 No.05, floor 4, building 18, giant Creative Park, no.644, Shibei Road, Dashi street, Panyu District, Guangzhou City, Guangdong Province Applicant after: Guangzhou Zhongwei Engineering Consulting Co., Ltd Address before: 637500 Nanchong city in Sichuan Province town of Anping bridge Jialing Street No. 150 Applicant before: Tang Huayi |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |