CN102938791A - Information-transmission-rate-adaptive-control file transferring method for 3D (Three-Dimensional) television content - Google Patents
Information-transmission-rate-adaptive-control file transferring method for 3D (Three-Dimensional) television content Download PDFInfo
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- CN102938791A CN102938791A CN2012104771076A CN201210477107A CN102938791A CN 102938791 A CN102938791 A CN 102938791A CN 2012104771076 A CN2012104771076 A CN 2012104771076A CN 201210477107 A CN201210477107 A CN 201210477107A CN 102938791 A CN102938791 A CN 102938791A
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Abstract
The invention discloses an information-transmission-rate-adaptive-control file transferring method for 3D (Three-Dimensional) television content. The method comprises the following steps: a server determines the sub-block number of a target file and the receivable block maximum value according to a file download request, transmitted by a client; the server segments the target file; the server transmits the content and information of file segments to the client; the client verifies the integrity of currently-received packet data blocks, and writes the currently-received packet data blocks into a temporary file or retransmits a retransmission request to the server according to verification results; the server carries out retransmission if the server receives the retransmission request; and the file segments are reorganized into the file. With the adoption of the information-transmission-rate-adaptive-control file transferring method for the 3D television content, disclosed by the invention, the network resources accessed by the client can be effectively utilized, and the transferring time for the whole file is reduced. The information-transmission-rate-adaptive-control file transferring method has the characteristics of high content distribution speed and short transferring time.
Description
Technical field
The present invention relates to a kind of document transmission method, the document transmission method of espespecially a kind of 3D television content information transmission rate adaptive control.
Background technology
Still lack at present a kind of Internet resources that can effectively utilize the client access, reduce the document transmission method in the transmission time of whole file.
Summary of the invention
The object of the invention is to overcome the defective of prior art, and provide the document transmission method of a kind of 3D television content information transmission rate adaptive control, realize a kind of Internet resources that can effectively utilize the client access, reduced the document transmission method in the transmission time of whole file; It is fast to have contents distribution speed, the characteristics that the transmission time is short.
The technical scheme that realizes above-mentioned purpose is:
The document transmission method of a kind of 3D television content information transmission rate of the present invention adaptive control may further comprise the steps:
The file download request that server sends according to client and can receive the block count that the piece maximum is determined file destination, and will divide block message to send to described client;
The file fragmentation module of described server according to the described piece maximum that receives with several file fragments of the described piecemeal of being cut into of described file destination, and each described file fragment comprises one or a plurality of message data piece, each message data piece by one or a plurality of message form;
Described server passes through the User Datagram Protoco (UDP) send-thread to described client Transmit message segment contents and information;
Described client behind the long delay, is verified the integrality of current reception message data piece according to the default duration that receives of described message data block size when described reception; And according to the result current reception message data piece is write temporary file or sends re-send request may to server;
If server receives described re-send request may, retransmit the content that described re-send request may is asked;
Described client is reorganized into file by the Piece file mergence module with described file fragment behind all file fragments.
Above-mentioned file fragmentation module according to described receive the piece maximum with several file fragment processes of the described piecemeal of being cut into of described file destination in, each described message data piece and each message are added sequence number according to its sequence of positions hereof, have uniqueness in the file fragment of the sequence number of each described message data piece under it, have uniqueness in the message data piece of the sequence number of each described message under it.
In the process of the integrality of the current reception message data of above-mentioned checking piece, if current reception message data piece is complete, it is write temporary file; If current reception message data piece is imperfect, will utilize Transmission Control Protocol to retransmit the message that whole message data piece or re-transmission lack to described server request according to message dropping situation in the message data piece.
After above-mentioned server end receives re-send request may, sequence number or the test serial number of the message data piece of request repeat are notified to a send-thread administration module, and sent described message data piece or the User Datagram Protoco (UDP) send-thread of the message that lacks resends by send-thread administration module notice.
Above-mentioned server end is automatically adjusted transmission message data block size by an adjusting module and is adjusted transmission rate, after described server end has been adjusted block size, to adjust the result and notify a TCP receiving or sending thread, and resend block message notice client by described TCP receiving or sending thread.
Automatically adjust in the transmission message data block size step at above-mentioned adjusting module, described adjusting module regularly inquired about the re-send request may record of the interior client of current slot in the repeating management module, then inquire about the send-thread administration module and in current slot, sent to the message data piece of client or the record of message, determine whether to adjust block size according to described re-send request may and the ratio that sent message data piece or message.
The present invention has been owing to adopted above technical scheme, makes it have following beneficial effect to be:
Take the message data piece as each base unit that transmits and verify integrality, realized the high-speed transfer of file, and guaranteed fail safe and the integrality of file transfer, to the automatic adjustment of block size, fully effectively utilize the Internet resources of client access, the transmission time of having reduced whole file.Realize a kind of Internet resources that can effectively utilize the client access, reduced the document transmission method in the transmission time of whole file; It is fast to have contents distribution speed, the characteristics that the transmission time is short.
Embodiment
The invention will be further described below in conjunction with specific embodiment.
The document transmission method of a kind of 3D television content information transmission rate of the present invention adaptive control may further comprise the steps:
At first, the file download request that server sends according to client and can receive the block count that the piece maximum is determined file destination, and will divide block message to send to client;
That is: when client is initiated the file download request, issue server receiving the piece maximum, the block message synchronization module of server is determined the sum of the piece of a block size and the cutting of precomputation file fragment in can receiving the piece maximum range, and a minute block message is sent to client;
Then, the file fragmentation module of server according to can receive the piece maximum with file destination be cut into several file fragments of piecemeal, and each file fragment comprises one or a plurality of message data piece, each message data piece by one or a plurality of message form; Each message data piece and each message are added sequence number according to its sequence of positions hereof, have uniqueness in the file fragment of the sequence number of each message data piece under it, have uniqueness in the message data piece of the sequence number of each message under it;
Then, server to client Transmit message segment contents, sends to client according to the sequence number order from small to large of message with the information of each file fragment by the User Datagram Protoco (UDP) send-thread;
Then, client behind the long delay, is verified the integrality of current reception message data piece according to the default duration that receives of message data block size when receiving; And according to the result current reception message data piece is write temporary file or sends re-send request may to server;
In the process of the integrality of verifying current reception message data piece, if current reception message data piece is complete, it is write temporary file; If current reception message data piece is imperfect, will utilize Transmission Control Protocol to retransmit the message that whole message data piece or re-transmission lack to server request according to message dropping situation in the message data piece.
Then, if server receives re-send request may, sequence number or the test serial number of the message data piece of request repeat are notified to a send-thread administration module, and sent the message data piece or the User Datagram Protoco (UDP) send-thread of the message that lacks resends by send-thread administration module notice.
At last, client is reorganized into file by the Piece file mergence module with file fragment behind all file fragments.
Wherein, in the transfer files process, server end is automatically adjusted transmission message data block size by an adjusting module and is adjusted transmission rate, after server end has been adjusted block size, to adjust the result and notify a TCP receiving or sending thread, and resend block message notice client by the TCP receiving or sending thread.
The piece adjusting module is regularly inquired about the re-send request may record of the interior client of current slot in the repeating management module, then inquire about the send-thread administration module and in current slot, sent to the message data piece of client or the record of message, according to re-send request may and the ratio that has sent message data piece or message determine whether to adjust block size.
Take the message data piece as each base unit that transmits and verify integrality, realized the high-speed transfer of file, and guaranteed fail safe and the integrality of file transfer, to the automatic adjustment of block size, fully effectively utilize the Internet resources of client access, the transmission time of having reduced whole file.Realize a kind of Internet resources that can effectively utilize the client access, reduced the document transmission method in the transmission time of whole file; It is fast to have contents distribution speed, the characteristics that the transmission time is short.
Below in conjunction with the embodiments the present invention is had been described in detail, those skilled in the art can make the many variations example to the present invention according to the above description.Thereby some details among the embodiment should not consist of limitation of the invention, and the scope that the present invention will define with appended claims is as protection scope of the present invention.
Claims (6)
1. the document transmission method of 3D television content information transmission rate adaptive control is characterized in that, may further comprise the steps:
The file download request that server sends according to client and can receive the block count that the piece maximum is determined file destination, and will divide block message to send to described client;
The file fragmentation module of described server according to the described piece maximum that receives with several file fragments of the described piecemeal of being cut into of described file destination, and each described file fragment comprises one or a plurality of message data piece, each message data piece by one or a plurality of message form;
Described server passes through the User Datagram Protoco (UDP) send-thread to described client Transmit message segment contents and information;
Described client behind the long delay, is verified the integrality of current reception message data piece according to the default duration that receives of described message data block size when described reception; And according to the result current reception message data piece is write temporary file or sends re-send request may to server;
If server receives described re-send request may, retransmit the content that described re-send request may is asked;
Described client is reorganized into file by the Piece file mergence module with described file fragment behind all file fragments.
2. the document transmission method of 3D television content information transmission rate as claimed in claim 1 adaptive control, it is characterized in that, described file fragmentation module according to described receive the piece maximum with several file fragment processes of the described piecemeal of being cut into of described file destination in, each described message data piece and each message are added sequence number according to its sequence of positions hereof, have uniqueness in the file fragment of the sequence number of each described message data piece under it, have uniqueness in the message data piece of the sequence number of each described message under it.
3. the document transmission method of 3D television content information transmission rate as claimed in claim 2 adaptive control, it is characterized in that, in the process of the integrality of the current reception message data of described checking piece, if current reception message data piece is complete, it is write temporary file; If current reception message data piece is imperfect, will utilize Transmission Control Protocol to retransmit the message that whole message data piece or re-transmission lack to described server request according to message dropping situation in the message data piece.
4. the document transmission method of 3D television content information transmission rate adaptive control as claimed in claim 2 or claim 3, it is characterized in that, after described server end receives re-send request may, sequence number or the test serial number of the message data piece of request repeat are notified to a send-thread administration module, and sent described message data piece or the User Datagram Protoco (UDP) send-thread of the message that lacks resends by send-thread administration module notice.
5. the document transmission method of 3D television content information transmission rate as claimed in claim 4 adaptive control, it is characterized in that, described server end is automatically adjusted transmission message data block size by an adjusting module and is adjusted transmission rate, after described server end has been adjusted block size, to adjust the result and notify a TCP receiving or sending thread, and resend block message notice client by described TCP receiving or sending thread.
6. the document transmission method of 3D television content information transmission rate as claimed in claim 5 adaptive control, it is characterized in that, automatically adjust in the transmission message data block size step at described adjusting module, described adjusting module regularly inquired about the re-send request may record of the interior client of current slot in the repeating management module, then inquire about the send-thread administration module and in current slot, sent to the message data piece of client or the record of message, determine whether to adjust block size according to described re-send request may and the ratio that sent message data piece or message.
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| CN2012104771076A CN102938791A (en) | 2012-11-22 | 2012-11-22 | Information-transmission-rate-adaptive-control file transferring method for 3D (Three-Dimensional) television content |
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| CN2012104771076A CN102938791A (en) | 2012-11-22 | 2012-11-22 | Information-transmission-rate-adaptive-control file transferring method for 3D (Three-Dimensional) television content |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104065643A (en) * | 2014-05-07 | 2014-09-24 | 上海文广互动电视有限公司 | Method and system of multimedia network transmission based on tree logic |
| CN107707599A (en) * | 2017-05-26 | 2018-02-16 | 语祯物联科技（上海）有限公司 | A kind of method and device of Internet of Things communication equipment transmission file |
| CN108366112A (en) * | 2018-02-06 | 2018-08-03 | 杭州朗和科技有限公司 | Data transmission method and system, the medium and computing device of client |
| CN109547172A (en) * | 2018-12-14 | 2019-03-29 | 东莞见达信息技术有限公司 | Data transmission method, system and data transmitting equipment, data receiver |
| CN109981693A (en) * | 2017-12-27 | 2019-07-05 | 上海文广互动电视有限公司 | The method of rate control and system of 3D content distribution platform |
| WO2022099683A1 (en) * | 2020-11-16 | 2022-05-19 | 华为云计算技术有限公司 | Data transmission method and apparatus, device, system, and storage medium |
| CN116599953A (en) * | 2023-07-13 | 2023-08-15 | 苏州浪潮智能科技有限公司 | File uploading method, device, system, equipment and readable storage medium |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104065643A (en) * | 2014-05-07 | 2014-09-24 | 上海文广互动电视有限公司 | Method and system of multimedia network transmission based on tree logic |
| CN107707599A (en) * | 2017-05-26 | 2018-02-16 | 语祯物联科技（上海）有限公司 | A kind of method and device of Internet of Things communication equipment transmission file |
| CN109981693A (en) * | 2017-12-27 | 2019-07-05 | 上海文广互动电视有限公司 | The method of rate control and system of 3D content distribution platform |
| CN108366112A (en) * | 2018-02-06 | 2018-08-03 | 杭州朗和科技有限公司 | Data transmission method and system, the medium and computing device of client |
| CN109547172A (en) * | 2018-12-14 | 2019-03-29 | 东莞见达信息技术有限公司 | Data transmission method, system and data transmitting equipment, data receiver |
| WO2022099683A1 (en) * | 2020-11-16 | 2022-05-19 | 华为云计算技术有限公司 | Data transmission method and apparatus, device, system, and storage medium |
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| CN116599953A (en) * | 2023-07-13 | 2023-08-15 | 苏州浪潮智能科技有限公司 | File uploading method, device, system, equipment and readable storage medium |
| CN116599953B (en) * | 2023-07-13 | 2024-02-02 | 苏州浪潮智能科技有限公司 | File uploading method, device, system, equipment and readable storage medium |
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Application publication date: 20130220 |