CN102523483A - Method and device for transmission of control state information and multiple TSs - Google Patents
Method and device for transmission of control state information and multiple TSs Download PDFInfo
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- CN102523483A CN102523483A CN2011104428541A CN201110442854A CN102523483A CN 102523483 A CN102523483 A CN 102523483A CN 2011104428541 A CN2011104428541 A CN 2011104428541A CN 201110442854 A CN201110442854 A CN 201110442854A CN 102523483 A CN102523483 A CN 102523483A
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Abstract
The invention discloses a method and a device for transmission of control state information and multiple transport streams (TS). The device comprises: a combiner, which is used for receiving a plurality of TSs from different sources and a control/state signal of a control unit as well as carrying out identifying to generate a combined stream; a master control exchanger, which is used for controlling the combiner and a demultiplexer to carry out controlling of a data transmission direction, state controlling and monitoring; and the demultiplexer, which is used for carrying out shunting on data from the master control exchanger and the control/state signal according to packet header identification after modification of a master control module. According to the method and the device for transmission of control state information and multiple TSs in the invention, problems including poor reliability caused by internal complex and tedious connection of digital television front-end equipment, inconsistency of control protocols, and uneasiness of debugging and maintenance can be solved; therefore, transmission and connection of a plurality of TSs and control state information between modules inside the digital television front-end equipment have advantages of high speed and convenience and high reliability.
Description
Technical field
The present invention relates to a plurality of MPTSs (TS stream/TS; TS-Transport Stream; Hereinafter to be referred as TS) and state of a control information in digital television front equipment inner transmission and communication, be to handle a plurality of TS and state of a control information in the digital television front equipment at the high speed of intermodule transmission and communication, method and apparatus reliably and easily.
Background technology
At present, handle inner transmission of a plurality of TS in the digital television front equipment and generally use separate hardware passage or interface, the distinct device inter-module communication adopts traditional communication modes such as I2C or SPI.Though this mode technology maturation, cause the device interior complex connection, loaded down with trivial details, control protocol is inconsistent, be difficult for debugging and safeguard, causes problems such as reliability is not high.
Summary of the invention
The problem that the present invention need solve is to overcome the inner complex connection of digital television front equipment, loaded down with trivial details, problem such as control protocol is inconsistent, be difficult for debugging and safeguard, the reliability that causes is not high, make the inner a plurality of TS of digital television front equipment and state of a control information transmit the state of a control information that is connected the advantage with the convenient and high reliability of high speed and the method and apparatus of multiple transport transmission at intermodule.
The present invention can realize through following technical scheme:
The invention discloses the method that a kind of state of a control information and multiple transport transmit, comprise the steps:
The first step receives a plurality of TS of separate sources and the control/status signal of control unit;
In second step, the separate sources data are added the packet header sign produce merging stream;
In the 3rd step, the packet header sign is carried out the packet header replacement according to the flag data source;
In the 4th step, change the data and the control/status signal of different whereabouts according to the mapping table that generates by software control into merging to circulate, and the packet header sign is made amendment by different whereabouts;
The 5th step is to control, State Control and the monitoring of data transmission direction.
The invention discloses the equipment that a kind of state of a control information and many TS transmit, comprise the control/status signal of a plurality of TS that receive separate sources and control unit and add sign producing merging and flowing mixer; Be used for control mixer, splitter master control interchanger control, State Control and the monitoring of data transmission direction; Identify along separate routes from the data of main switch and the splitter of control/status signal by the amended packet header of master control module.
Further, comprise the packet header replacement module that adds the packet header module and be used for originating that adds the packet header sign that is used for the separate sources data in the described mixer according to flag data.
Further, described mixer includes several daughter board input modules, and described each daughter board output module is connected with the M-TS interface respectively.
Further, described splitter includes several daughter board output modules, and described each daughter board input module is connected with the M-TS interface respectively.
Further; Described master control interchanger includes multiplex controller MUX, filtering module, mapping and PID replacement module, mapping table module, first, second fifo interface of state of a control, flush bonding processor; Described multiplex controller MUX is connected with several daughter board output modules; Multiplex controller MUX is connected with filtering module; Filtering module is replaced module with mapping and PID respectively, first fifo interface is connected, and mapping and PID replacement module are connected with several daughter board input modules, and second fifo interface is connected with flush bonding processor; Described mapping table module is replaced module with mapping and PID respectively, embedded processing is connected, and flush bonding processor is connected with multiplex controller MUX through second fifo interface.
The method and apparatus that state of a control information of the present invention and many TS transmit can transmit a plurality of TS simultaneously, transmits control/status signal, beneficial effect simple in structure easily.
Description of drawings
Accompanying drawing 1 is the functional-block diagram of the equipment of state of a control information of the present invention and multiple transport transmission;
Accompanying drawing 2 is the concrete composition block diagram of the equipment of state of a control information of the present invention and multiple transport transmission.
Embodiment
Method of the present invention is more clear to be understood in order to make, and will combine Figure of description to come the present invention is further described below:
The present invention designs the method for a kind of state of a control information and multiple transport transmission, comprises the steps:
The first step receives a plurality of TS of daughter board separate sources and the control/status signal of control unit;
Second step to the separate sources data, was that unit adds the packet header sign with TS bag (188Byte), produced to merge stream;
The 3rd step, according to the flag data source packet header sign is carried out the packet header replacement, guarantee to export PID and do not conflict;
In the 4th step, change the data and the control/status signal of different whereabouts according to the mapping table that generates by software control into merging to circulate, and the packet header sign is made amendment by different whereabouts;
The 5th step is to control, State Control and the monitoring of data transmission direction.
Shown in Fig. 1, Fig. 2, the invention discloses the equipment that a kind of state of a control information and many TS transmit, comprise the control/status signal of a plurality of TS that receive separate sources and control unit and add sign producing merging and flowing mixer 1; Be used for control mixer, splitter master control interchanger 2 control, State Control and the monitoring of data transmission direction; Identify along separate routes from the data of main switch and the splitter 3 of control/status signal by the amended packet header of master control module.
Comprise the packet header replacement module that adds the packet header module and be used for originating that adds the packet header sign that is used for the separate sources data in the described mixer according to flag data.
As shown in Figure 2, described mixer includes several daughter board input modules and M-TS interface, and described each daughter board output module is connected with the M-TS interface respectively.
As shown in Figure 2, described splitter includes several daughter board output modules and M-TS interface, and described each daughter board input module is defeated respectively to be connected with the M-TS interface.
As shown in Figure 2; Described master control interchanger includes multiplex controller MUX, filtering module, mapping and PID replacement module, mapping table module, first, second fifo interface of state of a control, flush bonding processor; Described multiplex controller MUX is connected with several daughter board output modules; Multiplex controller MUX is connected with filtering module; Filtering module is replaced module with mapping and PID respectively, first fifo interface is connected, and mapping and PID replacement module are connected with several daughter board input modules, and second fifo interface is connected with flush bonding processor; Described mapping table module is replaced module with mapping and PID respectively, embedded processing is connected, and flush bonding processor is connected with multiplex controller MUX through second fifo interface.
The present invention originates for mark TS and carries out PCR and proofread and correct, and the daughter board input module is accomplished the work that packet adds head under mainboard control, and data packet head contains the local zone time mark that is useful on the PCR correction; The mapping of mainboard and PID replacement module accomplish multiplexing and revise in the packet header of packet header under man-machine interface is controlled; Output module arrives purpose daughter board module according to packet header mark output TS and control/status signal, and the purpose module is carried out the PCR correction according to the inlet local zone time mark and the current time mark in packet header.
The above is merely preferred embodiment of the present invention, is not the present invention is done any pro forma restriction; But the those of ordinary skill of all industry is embodiment of the present invention with the above and swimmingly shown in the by specification accompanying drawing all; But all professional and technical personnel of being familiar with the above technology contents that is disclosed capable of using and a little change of making, modify the equivalent variations with differentiation in not breaking away from technical scheme scope of the present invention, be equivalent embodiment of the present invention; Simultaneously, all foundations essence technology of the present invention all still belongs within the protection range of technical scheme of the present invention change, modification and the differentiation etc. of any equivalent variations that above embodiment did.
Claims (6)
1. the method for a state of a control information and many TS transmission is characterized in that, comprises the steps:
The first step receives a plurality of TS of separate sources and the control/status signal of control unit;
In second step, the separate sources data are added the packet header sign produce merging stream;
In the 3rd step, the packet header sign is carried out the packet header replacement according to the flag data source;
In the 4th step, change the data and the control/status signal of different whereabouts according to the mapping table that generates by software control into merging to circulate, and the packet header sign is made amendment by different whereabouts;
The 5th step is to control, State Control and the monitoring of data transmission direction.
2. equipment of realizing the method that the described state of a control information of claim 1 and many TS transmit is characterized in that: comprise the control/status signal of a plurality of TS that receive separate sources and control unit and add sign producing merging and flowing mixer (1);
Be used for control mixer, splitter master control interchanger (2) control, State Control and the monitoring of data transmission direction;
Identify along separate routes from the data of main switch and the splitter of control/status signal (3) by the amended packet header of master control module.
3. the equipment that state of a control information according to claim 2 and many TS transmit is characterized in that: comprise in the described mixer be used for to the separate sources data add the packet header sign add packet header module and the packet header replacement module that is used for according to the flag data whereabouts.
4. the equipment that state of a control information according to claim 3 and many TS transmit, it is characterized in that: described mixer (1) includes several daughter board output modules, and described each daughter board output module is connected with mixer respectively.
5. the equipment that state of a control information according to claim 4 and multiple transport transmit; It is characterized in that: described splitter (3) includes several daughter board input modules, and described each daughter board input module is exported one or more TS MPTS and state of a control information respectively.
6. the equipment that state of a control information according to claim 5 and many TS transmit; It is characterized in that: described master control interchanger (2) includes multiplex controller MUX, filtering module, mapping and PID replacement module, mapping table module, first, second fifo interface of state of a control, flush bonding processor; Described multiplex controller MUX is connected with several daughter board output modules; Multiplex controller MUX is connected with filtering module; Filtering module is replaced module with mapping and PID respectively, first fifo interface is connected; Mapping and PID replacement module are connected with several daughter board input modules; Second fifo interface is connected with flush bonding processor, and described mapping table module is replaced module with mapping and PID respectively, embedded processing is connected, and flush bonding processor is connected with multiplex controller MUX through second fifo interface.
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| CN201110442854.1A CN102523483B (en) | 2011-12-27 | 2011-12-27 | Method and device for transmission of control state information and multiple TSs |
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| CN201110442854.1A CN102523483B (en) | 2011-12-27 | 2011-12-27 | Method and device for transmission of control state information and multiple TSs |
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| CN102523483A true CN102523483A (en) | 2012-06-27 |
| CN102523483B CN102523483B (en) | 2015-04-01 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103905840A (en) * | 2013-12-25 | 2014-07-02 | 惠州市伟乐科技有限公司 | System and method for achieving hybrid transmission of control state information and multiple transmission streams |
| CN106850644A (en) * | 2017-02-17 | 2017-06-13 | 山东浪潮商用系统有限公司 | A kind of method that TS bags PID modifications are realized based on Java language |
| CN106878765A (en) * | 2016-12-23 | 2017-06-20 | 伟乐视讯科技股份有限公司 | A kind of backup monitoring system and method for information flow |
| CN108650438A (en) * | 2018-07-06 | 2018-10-12 | 深圳市鼎盛威电子有限公司 | Digital TV front-end host and digital signal converting system |
| CN108833945A (en) * | 2018-06-29 | 2018-11-16 | 井冈山电器有限公司 | A kind of method and device flowed using single channel DMA simultaneous transmission multichannel TS |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103905840A (en) * | 2013-12-25 | 2014-07-02 | 惠州市伟乐科技有限公司 | System and method for achieving hybrid transmission of control state information and multiple transmission streams |
| CN103905840B (en) * | 2013-12-25 | 2017-05-10 | 惠州市伟乐科技有限公司 | System and method for achieving hybrid transmission of control state information and multiple transmission streams |
| CN106878765A (en) * | 2016-12-23 | 2017-06-20 | 伟乐视讯科技股份有限公司 | A kind of backup monitoring system and method for information flow |
| CN106878765B (en) * | 2016-12-23 | 2020-04-17 | 伟乐视讯科技股份有限公司 | Backup monitoring system and method for information flow |
| CN106850644A (en) * | 2017-02-17 | 2017-06-13 | 山东浪潮商用系统有限公司 | A kind of method that TS bags PID modifications are realized based on Java language |
| CN108833945A (en) * | 2018-06-29 | 2018-11-16 | 井冈山电器有限公司 | A kind of method and device flowed using single channel DMA simultaneous transmission multichannel TS |
| CN108650438A (en) * | 2018-07-06 | 2018-10-12 | 深圳市鼎盛威电子有限公司 | Digital TV front-end host and digital signal converting system |
| CN108650438B (en) * | 2018-07-06 | 2024-05-24 | 深圳市鼎盛威电子有限公司 | Digital television front-end host and digital signal conversion system |
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| CN102523483B (en) | 2015-04-01 |
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Address after: 516025 No. 1, Shunchang Road, Huinan Industrial Park, Zhongkai high tech Zone, Huizhou City, Guangdong Province Patentee after: WELLAV TECHNOLOGIES Ltd. Address before: 516000 community 63, huitai Industrial Zone, Zhongkai high tech Zone, Huizhou City, Guangdong Province Patentee before: WELLAV TECHNOLOGIES Co.,Ltd. |