CN1481160A - Method for online updating information for digital TV receiving apparatus - Google Patents
Method for online updating information for digital TV receiving apparatus Download PDFInfo
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- CN1481160A CN1481160A CNA021296618A CN02129661A CN1481160A CN 1481160 A CN1481160 A CN 1481160A CN A021296618 A CNA021296618 A CN A021296618A CN 02129661 A CN02129661 A CN 02129661A CN 1481160 A CN1481160 A CN 1481160A
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Abstract
Crossing and intervening the information to be updated online for digital TV receiver with the adjacent data block in same data packet is carried out before sending or receiving them. After crossing and intervening any two adjacent data blocks in same data packet of original data, the time interval between two data blocks reaching to digital TV receiver is not smaller than time needed for processing a data block by the digital TV receiver. More than one channel is utilized in digital TV receiver to crossways receive two adjacent data blocks in same data packet reached to digital TV receiver in sequence. The invention makes digital TV receiver possible to receive all data of one data packet within one receiving cycle so as to raise receiving speed and efficiency of the digital TV receiver.
Description
Technical field:
The present invention relates to a kind of method of online updating information for digital TV receiving apparatus, be meant especially and a kind of adjacent data blocks in the same packet of information for digital TV receiving apparatus to be updated intersected the method for online updating of dislocation before transmission or when receiving; Belong to digital television broadcasting and reception technique field.
Background technology:
Along with the continuous development of digital television techniques, apparatus of digital television receiving, for example: digital TV set-top box begins to step into people's life.(for example: data and software) online updating function then is a basic function of apparatus of digital television receiving to information in the apparatus of digital television receiving.At present, the online updating information for digital TV receiving apparatus technology also be industry a technology extensively adopting.
The online updating of information for digital TV receiving apparatus comprises: the transmission processing of Digital Television transmitting terminal and the reception of digital television receiving terminal are handled, specifically referring to Fig. 1 and Fig. 2:
At the Digital Television transmitting terminal, the Digital Television transmitting terminal encapsulates packing with information for digital TV receiving apparatus to be downloaded, data and program code, generates transmission (TS) stream that meets digital television broadcasting (DVB) standard; Then, after ovennodulation, send into wired network and transmit.
At digital television receiving terminal, the signal that apparatus of digital television receiving sends from wired network receiving digital television transmitting terminal, be reduced to TS stream through demodulation, after passing through demultiplexing again, restore information, data and the program code of apparatus of digital television receiving to be downloaded, at last, this information, data are written to the memory of apparatus of digital television receiving, for example in the flash memory (FLASH MEMORAY).
Through above-mentioned process, just finished the renewal of information for digital TV receiving apparatus.The data of existing apparatus of digital television receiving, software online updating, employing encapsulates data to be downloaded in proper order and sends and receive by single channel, therefore, renewal speed is slow, usually only is suitable for that amount of new data more is less, the apparatus of digital television receiving of function singleness.
Referring to Fig. 3, initial data to be downloaded is divided into several packets usually, for example packet 1, packet 2 and packet m, and each packet can be divided into several data blocks (Block) again.Referring to Fig. 4, in traditional data encapsulation mode, the Block continuous blow-down of each packet.Carry out the data encapsulation ratio like this and be easier to, still be unfavorable for the reception of apparatus of digital television receiving.Because apparatus of digital television receiving needs immediately this Block11 to be handled after receiving first data block (Block11); Because broadcast mode is adopted in the transmission of data, and single pass receive mode is all adopted in existing reception, therefore when apparatus of digital television receiving treatments B lock11, can miss reception to Block12; Like this, can only wait until that the notebook data cycle passes by fully, next cycle just can receive Block12 after newly beginning.Like this, complete the receiving of all data blocks of a packet will be expended a large amount of time, receiving efficiency is very low.
At present, continuous increase along with value added service of digital television, the function of apparatus of digital television receiving is more and more, the data volume of software program and parameter is increasing, utilize the online updating technology of existing information for digital TV receiving apparatus to upgrade, renewal speed is slow, and update time is very long, obviously can not satisfy real business demand.
Summary of the invention:
Main purpose of the present invention is to provide a kind of method of online updating information for digital TV receiving apparatus, transmitting terminal is when sending the information for digital TV receiving apparatus data, earlier each data block of outgoing data is carried out cross arrangement, and then encapsulate, make apparatus of digital television receiving can in a receiving cycle, finish complete reception, improve inbound pacing a packet.
Another object of the present invention is to provide a kind of method of online updating information for digital TV receiving apparatus, apparatus of digital television receiving utilizes more than one passage to receive more new data simultaneously, after the data that each passage is received are integrated, restore raw data packets, in a receiving cycle, receive all data of a raw data packets, improve the inbound pacing of apparatus of digital television receiving.
The object of the present invention is achieved like this:
A kind of method of online updating information for digital TV receiving apparatus is intersected dislocation with the adjacent data blocks in the same packet of apparatus of digital television receiving software to be updated before transmission or when receiving.
Described intersection dislocation is: will insert other data blocks in the same packet of initial data arbitrarily between the adjacent data blocks; When this any adjacent data blocks was sent after cross arrangement, its time interval that arrives apparatus of digital television receiving was not less than apparatus of digital television receiving and handles the time that data block is required.
The dislocation of described intersection is: apparatus of digital television receiving adopts more than one passage to intersect reception respectively and arrives the adjacent data blocks of the same packet of apparatus of digital television receiving in proper order.
Described apparatus of digital television receiving is digital TV set-top box or digital television or computer, and is provided with a data receive path at least.
Described apparatus of digital television receiving is digital TV set-top box or digital television or computer, and is provided with more than one Data Receiving passage.
A kind of method of online updating information for digital TV receiving apparatus, the Digital Television transmitting terminal carries out each data block of different pieces of information bag to be sent to encapsulate and send after the cross arrangement.
Described cross arrangement comprises at least:
Step 10: read data files;
Step 11: this data file is decomposed into equal-sized packet more than, and generates the data file control information;
Step 12: each packet is decomposed into one or above data block, and generates the packet control information;
Step 13:, generate data flow with the data block cross arrangement of different packets.
During the size of the final data bag that decomposites in the above-mentioned step 12 and other packets big or small unequal, adopt padding data to fill this packet, up to the equal and opposite in direction of other packets.
Cross arrangement in the above-mentioned step 13 is: by the predetermined data block that takes out in turn separately, be arranged in order; And then repeat abovementioned steps and take out next data block separately, be arranged in order; All data blocks arrangement up to entire packet is finished.
Described data file control information comprises the packaged type information of data, number of data packets that data file comprises and the beginning flag information of each packet at least, and it is the data block with specific identifier.
Described packet control information comprises the number of data blocks information that comprises in this packet at least, and has specific identification information.
The following principle of described cross arrangement foundation: when adjacent two data blocks sent after cross arrangement arbitrarily in the same packet of initial data, its time that arrives apparatus of digital television receiving was not less than this apparatus of digital television receiving and handles the time that data block is required.
Described apparatus of digital television receiving is digital TV set-top box or digital television or computer, and has one or more receive path.
A kind of method of online updating information for digital TV receiving apparatus, apparatus of digital television receiving adopts more than one receive path to intersect reception respectively and arrives adjacent data block in the same packet of apparatus of digital television receiving in proper order, and all data blocks that different passages are received merge reduction then.
The idiographic flow that this apparatus of digital television receiving intersection receives data block comprises at least:
Step 20: received data file control information;
Step 21: if this data file encapsulates for intersecting, then execution in step 25;
Step 22:, distribute two or more receive paths according to the resource of quantity of data packets and apparatus of digital television receiving;
Step 23: each receive path receives different packets respectively;
Step 24: if all packets do not receive as yet, execution in step 23; Otherwise finish to receive;
Step 25: receive first packet control information;
Step 26: the data block quantity that comprises according to packet and the resource of apparatus of digital television receiving, distribute two or more receive paths;
Step 27: each receive path intersection receives data block;
Step 28: if all packets do not receive as yet, execution in step 29; Otherwise finish to receive;
Step 29: receive next packet control information; Execution in step 26.
Described data file control information comprises at least: the beginning flag information of the packaged type information of data, the number of data packets that data file comprises and each packet, it is the data block with specific identifier.
Described packet control information comprises the number of data blocks information that comprises in this packet at least, and has specific identification information.
The described port number that is used to receive is determined according to following principle: the used time of adjacent data blocks that all passages receive the same packet that arrives apparatus of digital television receiving in turn respectively is not less than wherein passage needed time of data block of processing arbitrarily.
The present invention is by carrying out cross arrangement at the Digital Television transmitting terminal to sending data block, perhaps utilize more new data of more than one passage while receiving software at apparatus of digital television receiving, make apparatus of digital television receiving can in a receiving cycle, receive all data of a packet, improved the inbound pacing and the efficient of apparatus of digital television receiving.
Description of drawings:
Fig. 1 sends the schematic diagram of data for Digital Television transmitting terminal of the present invention.
Fig. 2 receives the schematic diagram of data for apparatus of digital television receiving of the present invention.
Fig. 3 is the composition structural representation of the present invention's data to be sent.
Fig. 4 is the tactic schematic diagram of data block in the outgoing data in the prior art.
Fig. 5 is the schematic diagram after the Digital Television transmitting terminal data block of the present invention cross arrangement.
Fig. 6 is the flow process intention of Digital Television transmitting terminal data block of the present invention cross arrangement.
Fig. 7 receives the schematic diagram of data block for apparatus of digital television receiving multichannel of the present invention.
Fig. 8 receives the flow chart of data block for Digital Television multichannel of the present invention.
Embodiment:
The present invention is described in further detail below in conjunction with accompanying drawing and specific embodiment:
Embodiment 1:
Referring to Fig. 5 and Fig. 6, the Digital Television transmitting terminal carries out each data block of different pieces of information bag to be sent to encapsulate and send after the cross arrangement.Specifically be exactly in the present embodiment: the data block of the packet that initial data is different is carried out cross arrangement, forms new data array.
Concrete cross arrangement comprises at least:
Step 10: read raw data file;
Step 11: this data file is decomposed into equal-sized packet more than, and generates the data file control information;
Step 12: each packet is decomposed into one or above data block, and generates the packet control information;
Step 13:, generate data flow with the data block cross arrangement of different packets.
In above-mentioned steps, the big or small unequal situation with other packets can take place in the size of last packet that is decomposited, and needs this moment to adopt padding data to fill this packet, up to the equal and opposite in direction of this packet and other packets.
When cross arrangement,, be arranged in order earlier by the predetermined data block that takes out in turn separately; And then repeat abovementioned steps and take out next data block separately, be arranged in order; All data blocks arrangement up to entire packet is finished.
When carrying out cross arrangement, also to generate the data file control information, being used for apparatus of digital television receiving distributes receive path according to this and receives control, this information comprises at least: the beginning flag information of the packaged type information of data, the number of data packets that data file comprises and each packet, it is the data block with specific identifier.
When carrying out cross arrangement, also to generate the packet control information, described packet control information comprises the number of data blocks information that comprises in this packet at least, and has specific identification information, is used for apparatus of digital television receiving equally and distributes receive path according to this and receive control.
For example, when above-mentioned data block is carried out cross arrangement, earlier the Block21 in the Block11 in the packet 1, the packet 2, Blockm1 among the packet m are taken out, be arranged in order; And then the Block22 in the Block12 in the packet 1, the packet 2, Blockm2 among the packet m taken out, be arranged in order; So repeat, all data blocks in all packets are all arranged and are finished.So just formed one with new tactic packet.The packet that this is new generates the TS stream that meets the DVB standard, sends through the laggard row of ovennodulation.
After apparatus of digital television receiving received data block Block11 and it is handled, data block Block12 arrived just or after a while, so just can not miss the reception of Block12.Therefore improved the receiving efficiency of apparatus of digital television receiving greatly.
By the above embodiments as can be seen, if adopt a passage to receive, a packet only needs a receiving cycle just can all receive.If adopt a plurality of passages to receive a plurality of packets simultaneously, its efficient is then higher.
In above-mentioned cross arrangement further be: when adjacent two data blocks sent after cross arrangement arbitrarily in the same packet of initial data, its time interval that arrives apparatus of digital television receiving should be not less than apparatus of digital television receiving and handle the time that data block is required.
Embodiment 2:
Referring to Fig. 7 and Fig. 8, in the present embodiment, the receiving step of digital TV set-top box is:
Step 20: digital TV set-top box received data file control information;
Step 21: if this data file encapsulates for intersecting, then execution in step 25;
Step 22:, distribute two or more receive paths according to the resource of quantity of data packets and digital TV set-top box;
Step 23: each receive path receives different packets respectively;
Step 24: if all packets do not receive as yet, execution in step 23; Otherwise finish to receive;
Step 25: digital TV set-top box receives first packet control information;
Step 26: the data block quantity that comprises according to packet and the resource of digital TV set-top box, distribute two or more receive paths;
Step 27: each receive path intersection receives data block;
Step 28: if all packets do not receive as yet, execution in step 29; Otherwise finish to receive;
Step 29: receive next packet control information; Execution in step 26.
Data file control information in the above-mentioned steps comprises at least: the beginning flag information of the packaged type information of data, the number of data packets that data file comprises and each packet, and it is the data block with specific identifier; The packet control information comprises the number of data blocks information that comprises in this packet at least, and has specific identification information.
When distributing receive path, the port number that is used to receive is determined according to following principle: the used time of adjacent data blocks that all passages receive the same packet that arrives apparatus of digital television receiving in turn respectively is not less than wherein passage needed time of data block of processing arbitrarily.
For example: digital TV set-top box uses 3 passages to receive data.Wherein, passage 1 is responsible for Block1, the Block4 of same packet, the reception of Block7... data block, passage 2 is responsible for Block2, the Block5 of this packet, the reception of Block8... data block, passage 3 is responsible for Block3, the Block6 of these packets, the reception of Block9... data block, that is: the each data block that receives of each passage is the be separated by position of two data blocks of this passage received data last time piece.After passage 1 received the Block1 data block and handles, data block Block4 arrived this passage just or after a while like this, and 1 in passage can receive Block4.And data block Block2, Block3 that passage 1 misses in treatments B lock1 data block process can be received by passage 2, passage 3 respectively.Then, the data that each passage is received are integrated accordingly again, restore raw data packets at last.Adopt multichannel receiving method also may in one-period, receive all data of a raw data packets, thereby improved the inbound pacing of apparatus of digital television receiving.
Present embodiment is a kind of improvement at the receive mode of apparatus of digital television receiving; Can under the situation that does not change Digital Television transmitting terminal data encapsulation mode,, improve the method for inbound pacing referring to Fig. 4.
Usually have a plurality of data channel can receive data in digital TV set-top box, and these passages respectively have independently buffering area, these passages can be used for receiving different data simultaneously.The data of utilizing a plurality of passages to receive the order encapsulation also can solve the slow problem of information rate.
It is to be noted at last: above embodiment is the unrestricted technical scheme involved in the present invention in order to explanation only, although the present invention is had been described in detail with reference to above preferred embodiment, those of ordinary skill in the art should be appreciated that technical scheme of the present invention can make amendment, is out of shape or is equal to replacement; And do not break away from the spirit and scope of technical solution of the present invention, all should be encompassed among the claim scope of the present invention.
Claims (18)
1, a kind of method of online updating information for digital TV receiving apparatus is characterized in that: the adjacent data blocks in the same packet of apparatus of digital television receiving software to be updated is intersected dislocation before transmission or when receiving.
2, the method for online updating information for digital TV receiving apparatus according to claim 1 is characterized in that: described intersection dislocation is: will insert other data blocks in the same packet of initial data arbitrarily between the adjacent data blocks; When this any adjacent data blocks was sent after cross arrangement, its time interval that arrives apparatus of digital television receiving was not less than apparatus of digital television receiving and handles the time that data block is required.
3, the method for online updating information for digital TV receiving apparatus according to claim 1 is characterized in that: the dislocation of described intersection is: apparatus of digital television receiving adopts more than one passage to intersect reception respectively and arrives the adjacent data blocks of the same packet of apparatus of digital television receiving in proper order.
4, the method for online updating information for digital TV receiving apparatus according to claim 1 and 2 is characterized in that: described apparatus of digital television receiving is digital TV set-top box or digital television or computer, and is provided with a data receive path at least.
5, according to the method for claim 1 or 3 described online updating information for digital TV receiving apparatus, it is characterized in that: described apparatus of digital television receiving is digital TV set-top box or digital television or computer, and is provided with more than one Data Receiving passage.
6, a kind of method of online updating information for digital TV receiving apparatus is characterized in that: the Digital Television transmitting terminal carries out each data block of different pieces of information bag to be sent to encapsulate and send after the cross arrangement.
7, the method for online updating information for digital TV receiving apparatus according to claim 6 is characterized in that: described cross arrangement comprises at least:
Step 10: read data files;
Step 11: this data file is decomposed into equal-sized packet more than, and generates the data file control information;
Step 12: each packet is decomposed into one or above data block, and generates the packet control information;
Step 13:, generate data flow with the data block cross arrangement of different packets.
8, the method for online updating information for digital TV receiving apparatus according to claim 7, it is characterized in that: during the size of the final data bag that decomposites in the step 12 and other packets big or small unequal, adopt padding data to fill this packet, up to the equal and opposite in direction of other packets.
9, the method for online updating information for digital TV receiving apparatus according to claim 7 is characterized in that: the cross arrangement in the step 13 is: by the predetermined data block that takes out in turn separately, be arranged in order; And then repeat abovementioned steps and take out next data block separately, be arranged in order; All data blocks arrangement up to entire packet is finished.
10, the method for online updating information for digital TV receiving apparatus according to claim 7, it is characterized in that: described data file control information comprises at least: the beginning flag information of the packaged type information of data, the number of data packets that data file comprises and each packet, it is the data block with specific identifier.
11, the method for online updating information for digital TV receiving apparatus according to claim 7 is characterized in that: described packet control information comprises the number of data blocks information that comprises in this packet at least, and has specific identification information.
12, according to the method for claim 6 or 7 or 9 described online updating information for digital TV receiving apparatus, it is characterized in that: the following principle of described cross arrangement foundation: when adjacent two data blocks sent after cross arrangement arbitrarily in the same packet of initial data, its time that arrives apparatus of digital television receiving was not less than this apparatus of digital television receiving and handles the time that data block is required.
13, according to the method for claim 6 or 7 described online updating information for digital TV receiving apparatus, it is characterized in that: described apparatus of digital television receiving is digital TV set-top box or digital television or computer, and has one or more receive path.
14, a kind of method of online updating information for digital TV receiving apparatus, it is characterized in that: apparatus of digital television receiving adopts more than one receive path to intersect reception respectively and arrives adjacent data block in the same packet of apparatus of digital television receiving in proper order, and all data blocks that different passages are received merge reduction then.
15, the method for online updating information for digital TV receiving apparatus according to claim 14 is characterized in that: the idiographic flow that the apparatus of digital television receiving intersection receives data block comprises at least:
Step 20: received data file control information;
Step 21: if this data file encapsulates for intersecting, then execution in step 25;
Step 22:, distribute two or more receive paths according to the resource of quantity of data packets and apparatus of digital television receiving;
Step 23: each receive path receives different packets respectively;
Step 24: if all packets do not receive as yet, execution in step 23; Otherwise finish to receive;
Step 25: receive first packet control information;
Step 26: the data block quantity that comprises according to packet and the resource of apparatus of digital television receiving, distribute two or more receive paths;
Step 27: each receive path intersection receives data block;
Step 28: if all packets do not receive as yet, execution in step 29; Otherwise finish to receive;
Step 29: receive next packet control information; Execution in step 26.
16, the method for online updating information for digital TV receiving apparatus according to claim 15, it is characterized in that: described data file control information comprises at least: the beginning flag information of the packaged type information of data, the number of data packets that data file comprises and each packet, it is the data block with specific identifier.
17, the method for online updating information for digital TV receiving apparatus according to claim 15 is characterized in that: described packet control information comprises the number of data blocks information that comprises in this packet at least, and has specific identification information.
18, according to the method for claim 14 or 15 described online updating information for digital TV receiving apparatus, it is characterized in that: the described port number that is used to receive is determined according to following principle: the used time of adjacent data blocks that all passages receive the same packet that arrives apparatus of digital television receiving in turn respectively is not less than wherein passage needed time of data block of processing arbitrarily.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02129661 CN1241412C (en) | 2002-09-06 | 2002-09-06 | Method for online updating information for digital TV receiving apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02129661 CN1241412C (en) | 2002-09-06 | 2002-09-06 | Method for online updating information for digital TV receiving apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1481160A true CN1481160A (en) | 2004-03-10 |
| CN1241412C CN1241412C (en) | 2006-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02129661 Expired - Fee Related CN1241412C (en) | 2002-09-06 | 2002-09-06 | Method for online updating information for digital TV receiving apparatus |
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| CN (1) | CN1241412C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103078853A (en) * | 2012-12-31 | 2013-05-01 | 华为软件技术有限公司 | Data transmission method on basis of session initiation protocol and corresponding device |
| TWI616819B (en) * | 2017-02-06 | 2018-03-01 | 晨星半導體股份有限公司 | Software update method applied to television and associated circuit |
-
2002
- 2002-09-06 CN CN 02129661 patent/CN1241412C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103078853A (en) * | 2012-12-31 | 2013-05-01 | 华为软件技术有限公司 | Data transmission method on basis of session initiation protocol and corresponding device |
| TWI616819B (en) * | 2017-02-06 | 2018-03-01 | 晨星半導體股份有限公司 | Software update method applied to television and associated circuit |
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| Publication number | Publication date |
|---|---|
| CN1241412C (en) | 2006-02-08 |
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