CN101217633A

CN101217633A - A method and system realizing stream media interaction

Info

Publication number: CN101217633A
Application number: CNA2007100041158A
Authority: CN
Inventors: 石腾; 张�杰; 张楚雄; 田永辉; 乐培玉
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Cloud Computing Technologies Co Ltd
Priority date: 2007-01-04
Filing date: 2007-01-04
Publication date: 2008-07-09
Anticipated expiration: 2027-01-04
Also published as: CN101217633B

Abstract

The invention relates to a method and a system which are used for realizing interaction of streaming media. The system comprises a program source unit applied to sending streaming media information to an MUX/scrambler unit, an interactive service source unit applied to sending interactive configuration information to an interactive service platform, the interactive service platform applied to generating interactive configuration files after obtaining the interactive configuration information from the interactive service source unit, encapsulating the configuration files to an interactive configuration container and then sending the files to an IP gateway, the IP gateway applied to sending the interactive configuration container received from the interactive service platform to the MUX/scrambler unit, the MUX/scrambler unit applied to receiving and multiplexing streaming media information from the program source unit and the interactive configuration container from the IP gateway to obtain transport stream, a multiplexing unit applied to receiving the transport stream sent by the MUX/scrambler unit, multiplexing a plurality of transport streams to be sent to a mobile terminal through broadcast network.

Description

A kind of method and system that realize interaction of stream meadia

Technical field

The present invention relates to the technology of transport stream medium in wireless network, particularly a kind of method and system that realize interaction of stream meadia.

Background technology

Along with the development of radio network technique and the development of terminal technology, wireless network and portable terminal are combined together can provide more and more colourful business and content, and the mobile TV technology is grown out of nothing, ripe all the more.But because the technical standard of mobile TV is various, industrial chain imperfection end to end, content and function major part that service provider/content supplier (SP/CP) provides duplicate, and can't realize promoting excitement levels and the user experience that the user uses by differentiation.

Fig. 1 is the system schematic of existing techniques in realizing interaction of stream meadia, and as shown in the figure, this system comprises: portable terminal, mobile network, radio network, program source unit, SG server and interactive service source unit, wherein,

The program source unit sends program stream by radio network.Portable terminal is by specifying the mutual configuration file of certain program in electronic program list, for example at the mutual configuration file of mobile TV, when portable terminal is selected certain program viewing in electronic program list, also just obtained mutual configuration file (from the mobile network, obtaining mutual configuration file).The user obtains the interactive medium file according to the unified locating resource symbol (URL) in the mutual configuration file on the mobile network, this mobile network obtains the interactive medium file according to URL by the SG server from the interactive service source unit.Portable terminal is showed the interactive medium file to the user within the time window of mutual configuration file appointment, the prompting user adopts short message mode to carry out interactive operation, finishes interactive service.

As can be seen from Figure 1, owing to need in electronic program list, to specify in advance the mutual configuration file of certain program stream, the transmission and the broadcast program stream of mutual configuration file break off relations fully, require than higher mutual configuration file for promptness, the for example guess with lottery of live ball match, can't notify portable terminal to remove to obtain mutual configuration file in a short period of time, thereby portable terminal can't obtain mutual configuration file in official hour, and carries out interactive service according to mutual configuration file acquisition interactive medium file.

Summary of the invention

The embodiment of the invention provides a kind of method and system that realize interaction of stream meadia, can improve the real-time that interactive information sends to portable terminal, and then can make portable terminal when realizing interaction of stream meadia, can adopt multiple function, multiple operation mode and plurality of application scenes.

The embodiment of the invention is achieved in that

(principal claim duplicates principal claim after determining by the time)

From the embodiment of the invention as can be seen, the method, system and device that the embodiment of the invention provides send interactive information by radio network with stream media information, thereby improve the real-time that interactive information sends to portable terminal, this is even more important for the stronger stream media information of real-time, sends relatively poor the determining of stream media information real-time thereby solve prior art.Thereby make portable terminal when realizing interaction of stream meadia, can adopt multiple function, multiple operation mode and plurality of application scenes.

Description of drawings

Fig. 1 is the system schematic of existing techniques in realizing interaction of stream meadia;

Fig. 2 realizes the system construction drawing of the non-IP broadcast network of interaction of stream meadia for the embodiment of the invention;

Fig. 3 is for obtaining the method flow diagram of mutual dispensing containers in the embodiment of the invention;

Fig. 4 carries out the generation and the transmission flow figure of mutual configuration file based on system shown in Figure 2 for the embodiment of the invention;

Fig. 5 makes the user carry out the method for operating flow chart for the embodiment of the invention based on system shown in Figure 2;

Fig. 6 realizes the system construction drawing of the IP broadcast network of interaction of stream meadia for the embodiment of the invention;

Fig. 7 carries out the flow chart of interactive service configuration based on the described system of Fig. 6 for the embodiment of the invention;

Fig. 8 generates the method flow diagram of mutual configuration file and transmission based on the described system of Fig. 6 for the embodiment of the invention;

Fig. 9 is renewal and the deletion flow chart of the embodiment of the invention based on the mutual configuration information of the described system of Fig. 6;

Figure 10 is the user interaction flow figure of the embodiment of the invention based on the described system of Fig. 6;

Figure 11 is the structural representation of the mutual container of preferred embodiment of the present invention;

Figure 12 is the data segment structural representation of multiplexed sub frame among the preferred embodiment CMMB of the present invention;

Figure 13 is the structural representation of the data cell in the preferred embodiment CMMB multiplexed sub frame of the present invention;

Figure 14 searches the method flow diagram of mutual dispensing containers in the CMMB multiplexed sub frame for embodiment of the invention portable terminal;

Figure 15 is the pmt table structural representation of the embodiment of the invention;

Figure 16 searches the method flow diagram of mutual dispensing containers in TS stream for embodiment of the invention portable terminal;

Figure 17 carries the structural representation of the RTP message of mutual dispensing containers for the embodiment of the invention;

Figure 18 searches the method flow diagram of mutual dispensing containers in rtp streaming for embodiment of the invention portable terminal.

Embodiment

Below lift specific embodiment and with reference to accompanying drawing, further detailed explanation.

The embodiment of the invention is that a kind of of interaction of stream meadia scheme shown in Figure 1 replenished and enhancing, in the prior art, portable terminal only is to finish the interaction of user with the stream media information that carries out between the SP/CP by short message mode, and the embodiment of the invention expands application scenarios shown in Figure 1, carried out perfect to the agreement of supporting, make the user not only can finish alternately by way of short messages, can also be by voice call (Voice Call), particular network number call (USSD), video telephone (VideoCall), modes such as wireless application protocol (wap) are finished the interaction of stream media information.

The embodiment of the invention is described method, agreement, the message format definition of its realization in detail, and operation mode is described.The embodiment of the invention can be used for all wireless networks, as Wideband Code Division Multiple Access (WCDMA) (WCDMA) system, code division multiple access (CDMA) or tdd CDMA (TD-SCDMA) system etc., also can be used for the mobile TV radio network, as digital video broadcasting-ground standard (DVB-H), data multimedia broadcasting (DMB) or China Mobile multimedia broadcasting (CMMB).In wireless network, not only can use embodiment provided by the invention by point to point system, also can be by point to multiple spot, promptly the multicast mode is used embodiment provided by the invention.

The embodiment of the invention can realize following interaction of stream meadia with wireless network side by the cooperation of portable terminal.

Preset the short message content function.Under this function, the short message content that presets can be configured in the mutual configuration file of wireless network side, in reciprocal process, portable terminal sends order, as key information, then wireless network side sends to the short message content that disposes according to the order that receives and has on the portable terminal that presets called number.

Self-defined short message interacting function.Under this function, portable terminal can be pointed out out the interface of input short message content, can send to wireless network side from the short message content that edlin will send, and wireless network side sends to the short message content that receives to be had on the portable terminal that presets called number.

Voice call and USSD function.Under this function, called number (comprising USSD) is preset in the mutual configuration file of wireless network side, when portable terminal sends order, then the TV programme of portable terminal can transfer to called number automatically or the USSD function menu that presets on.

Video call function.Under this function, called number is preset in the mutual configuration file of wireless network side, orders when portable terminal sends, and then the TV programme of portable terminal can be transferred in the portable terminal with called number automatically.Can carry out exchange and conmmunication by the mode and the called mobile terminal of visual telephone exactly with the difference of Voice Call.

The wireless application protocol (wap) function according to the difference in the parameter that is disposed, can realize the used agreement of World Wide Web (WWW) program (Http), the visit of Https website, and digital copyright management (DRM) and non-DRM download.SP/CP is configured in the URL that presets in the mutual configuration file of wireless network side in advance, when portable terminal sends order, wireless network side forwards portable terminal to preset URL address before by the WAP mode according to the configuration in mutual configuration file, the wireless network operations of being correlated with, specific implementation is realized by portable terminal.

The JAVA function, under this function, portable terminal sends order, triggers the JAVA program that is loaded in down in the portable terminal, and this JAVA program is responsible for finishing the interactive function of portable terminal with providing the SP/CP of this service to carry out information interchange.

In embodiments of the present invention, the system that realizes interaction of stream meadia can be non-Internet protocol (IP) radio network, also can be the IP broadcast network, below be elaborated respectively (is that mutual configuration file, stream media information are that program stream is illustrated with interactive information).

Fig. 2 is the system construction drawing of the non-IP broadcast network of embodiment of the invention realization interaction of stream meadia, and as shown in the figure: this system comprises interactive service source unit, interactive service platform, content management units, IP gateway, program source unit, MUX/ scrambler unit and the Multiplexing Unit of portable terminal and network side.Wherein, portable terminal also includes content receiver module and interaction process module.

Table one is the function of each entity shown in Figure 2 and the description of relevant interface.

The entity title	Functional description	Relevant interface
The entity title	Functional description	Relevant interface	The program source unit	Program stream is provided, sends to the MUX/ scrambling unit	Interface	4
The interactive service source unit	Provide mutual configuration information according to program stream for the interactive service platform; Edit or delete already present mutual configuration information appointment and the mutual relevant service identification (Service_ID) of configuration information; Specify mutual control information, as transmission time started, transmission interval, the transmission number of times of mutual configuration file	Interface	The program source unit		Interface	4	1
The interactive service source unit		Interface	The interactive service platform	The content management units of broadcast side obtains service identification (Servicd_ID) and transmission sign (TS_ID); Receive the mutual configuration information that the interactive service source unit provides; Generate mutual configuration file according to the mutual configuration information that receives; Encapsulate mutual configuration file with mutual dispensing containers; Structure sends to the message of IP gateway, is used to transmit mutual dispensing containers; Control information control according to the appointment of interactive service source is sent to IP gateway with mutual dispensing containers, and control information as shown in Table 4;	Interface 1 interface 2 interfaces 7		1
Content management units	Service identification (Servicd_ID) and transport stream identification (TS_ID) are sent to the interactive application platform	Interface 7	The interactive service platform		Interface 1 interface 2 interfaces 7
Content management units		Interface 7	IP gateway	Receive the mutual dispensing containers that the interactive service platform sends;	Interface 2

	Mutual dispensing containers is sent to the MUX/ scrambling unit;	Interface 3
		Interface 3	The MUX/ scrambling unit	The program stream that the program receiving source unit sends; Receive the mutual dispensing containers that IP gateway sends; Mutual dispensing containers is multiplexed into appropriate program stream, obtains TS stream; The TS of multiplexing output spread deliver to Multiplexing Unit;	Interface 4 interfaces 3 interfaces 8
Multiplexing Unit	Receive the TS stream that the MUX/ scrambling unit sends; Multiplexing a plurality of TS stream; By broadcast channel the TS after multiplexing is sent to portable terminal	Interface	The MUX/ scrambling unit		Interface 4 interfaces 3 interfaces 8	5 interfaces 8
Multiplexing Unit		Interface	The content receiver module	From broadcast channel program receiving stream and mutual dispensing containers; Mutual dispensing containers is sent to the interaction process unit	Interface	5 interfaces 8	5 interfaces 6
The interaction process unit	From content receiver module receiving vessel and processing	Interface	The content receiver module		Interface	6	5 interfaces 6

Table one

Each interface function in the system shown in Figure 2 is as shown in Table 2:

Entity 1	Entity 2	Interface	Functional description
Entity 1	Entity 2	Interface	Functional description	The interactive service source unit	The interactive service platform	Interface	1	The interactive service source unit sends to the interactive service platform by this interface with mutual configuration information, and concrete operations comprise: send the mutual configuration information of mutual configuration information update and cancel mutual configuration information
The interactive service platform	IP gateway	Interface	2	The interactive service source unit	The interactive service platform	Interface	1		The interactive service platform sends to IP gateway by the mutual dispensing containers that this interface will encapsulate mutual configuration file, and the control information of transmission is specified by the interactive service source unit, as shown in Table 4
The interactive service platform	IP gateway	Interface	2	IP gateway	The MUX/ scrambling unit	Interface	3	IP gateway sends to the MUX/ scrambling unit by this interface with mutual dispensing containers
The program source unit	The MUX/ scrambling unit	Interface	4	IP gateway	The MUX/ scrambling unit	Interface	3		The program source unit sends to the MUX/ scrambling unit by this interface with program stream
The program source unit	The MUX/ scrambling unit	Interface	4	Multiplexing Unit	The content receiver module	Interface	5	Multiplexing Unit sends to the content receiver module by this interface with program stream and mutual dispensing containers
The content receiver module	The interaction process unit	Interface	6	Multiplexing Unit	The content receiver module	Interface	5		The mutual dispensing containers that will receive by this interface is given the interaction process unit and is handled

Content management units	The interactive service platform	Interface 7	Content management units sends to the interactive service platform by this interface with service identification (Servicd_ID) and transport stream identification (TS_ID)
Content management units	The interactive service platform	Interface 7		The MUX/ scrambling unit	Multiplexing Unit	Interface	8	The MUX/ scrambling unit sends to Multiplexing Unit by this interface with TS stream

Table two

In the present embodiment, obtain business information after the interaction process module in the portable terminal is finished dealing with to mutual dispensing containers, can send business information to the content receiver module, this business information sends to the mobile network and handles, and realizes the interaction of Streaming Media.

In the present embodiment, communicate by the TCP connection between interactive service platform and the IP gateway.For interface between the two, the interactive service platform is that client, IP gateway are servers.The interactive service platform need be determined information such as the IP address of IP gateway and port.The interactive service platform sends to IP gateway with mutual configuration file, and the mutual dispensing containers that IP gateway will receive issues by broadcast channel after multiplexing with the program stream that the program source unit sends over.

In the present embodiment, the general format of the interface message of each interface is:

generic_message

{

Protocol_version // 1 byte

Message_type // 2 bytes

Message_length // 2 bytes

Field_number // 2 bytes

for(i＝0；i＜field_number；i++)

{

Field_type // 2 bytes

Field_length // 2 bytes

Field_value //＜field_length〉byte

}

The type of interface message as shown in Table 3.

Type of message	Value of message types	Message semantic definition
Type of message	Value of message types	Message semantic definition	Transport_setup	0x8001	The TCP passage is set up message
Transport_test	0x8002	TCP lane testing message	Transport_setup	0x8001	The TCP passage is set up message
Transport_test	0x8002	TCP lane testing message	Transport_status	0x8003	TCP channel status message
Transport_close	0x8004	TCP pathway closure message	Transport_status	0x8003	TCP channel status message
Transport_close	0x8004	TCP pathway closure message	Transport_error	0x8005	TCP channel errors message
Send_interactive_container	0x8106	Send mutual dispensing containers message	Transport_error	0x8005	TCP channel errors message
Send_interactive_container	0x8106	Send mutual dispensing containers message	Response_interactive_container	0x8107	Receive the response message of mutual dispensing containers

Table three

In the present embodiment, the interactive service platform is set up TCP as client to the IP gateway request and is connected, and after connecting mutual configuration file is sent to IP gateway.Whole process is:

Step 1, set up passage.A TCP connection had only a passage.In case TCP connects foundation, the interactive service platform sends Transport_setup message to Multiplexing Unit.If success, IP gateway is returned a Transport_status message.If refusal or failure, IP gateway is returned a Transport_error message, and the interactive service platform will be closed TCP and be connected.

Step 2, pathway closure.When not existing or make a mistake, passage (detects or the IP gateway report) pathway closure by the interactive service platform.Send Transport_close message by the interactive service platform and realize pathway closure.

Step 3, channel status and test.One of two ends of any moment interactive service platform and IP gateway can send the integrality that Transport_test message is checked passage.As replying recipient's sendaisle status message or channel errors message.

The communication of step 4, prediction is lost.Interactive service platform and IP gateway can be handled the problem that communication is lost.Wherein a side suspects that communication loses (as free of data in 10 seconds), can send test post and detect communication state.If do not receive status message (as free of data in 10 seconds) in fixing time, will close, and rebulid the TCP communication link.

Step 5, deal with data are inconsistent.If IP gateway is received inconsistent data, will be to interactive service platform reporting errors message.If IP gateway is received such message or detected inconsistently, will close, and rebulid TCP and connect and passage.

The corresponding different implications of field_type value in the interface message are as shown in Table 4:

Field type	The field_type value	The connotation of field	Type/unit	Length (byte)
Field type	The field_type value	The connotation of field	Type/unit	Length (byte)		0x0000	Keep
Transport_ID	0x0001	Passage ID	uimsbf			0x0000	Keep			4
Transport_ID	0x0001	Passage ID	uimsbf		error_status	0x0002	The error condition of passage/stream	uimsbf		4	1
Error_information	0x0003	The error message of passage/stream	User Defined	Variable	error_status	0x0002	The error condition of passage/stream	uimsbf			1
Error_information	0x0003	The error message of passage/stream	User Defined	Variable	interactive_ container	0x0005	Mutual dispensing containers	User Defined	Variable
interactive_ container_ID	0x0006	The ID of mutual dispensing containers	uimsbf	4	interactive_ container	0x0005	Mutual dispensing containers	User Defined	Variable
interactive_ container_ID	0x0006	The ID of mutual dispensing containers	uimsbf	4	Service_ID	0x0007	The relevant service identification of mutual configuration file with mutual dispensing containers encapsulation	uimsbf		4
	0x0008 is to 0x7FFF	Keep			Service_ID	0x0007		uimsbf		4
	0x0008 is to 0x7FFF	Keep				0x8000 is to 0xFFFF	User definition

Table four

Wherein, Service_ID: set up TCP interface channel ID, distributed by the interactive service platform, unique interactive media definite and that IP gateway is set up transmits passage; Error_status: the error condition of passage/stream; Error_information: error description information; Interactive_container: mutual dispensing containers; Interactive_container_ID: the ID of mutual dispensing containers.

Be defined as follows for each interface message in table three.

When interface message was Transport_setup, this message sent to IP gateway from the interactive service platform after setting up the TCP connection, be used to set up a passage, was used to set up the passage that TCP connects, and message is carried uniquely identified Service_ID.

When interface message was Transport_test, interactive service platform and IP gateway can send this message to the other side, are used for the state of test channel, and message is carried uniquely identified Service_ID.

When interface message was Transport_status, interactive service platform and IP gateway can send this message to the other side, and message is carried uniquely identified Service_ID and corresponding Transport_status, the state of expression TCP interface channel.

When interface message is Transport_close, this message sends to IP gateway from the interactive service platform by the TCP connection of setting up, be used to cancel the passage that the TCP of foundation connects, message is carried uniquely identified Service_ID and corresponding error_status, and whether the passage that expression TCP connects is cancelled.

When interface message is Transport_error, interactive service platform and IP gateway can send this message to the other side, message is carried uniquely identified Service_ID, corresponding error_status and Error_information (0～a plurality of), and whether expression TCP interface channel mistake occurs.

When interface message is Send_interactive_container, this message sends to IP gateway from the interactive service platform by the TCP connection of setting up, be used to send mutual configuration information, this message is carried uniquely identified Service_ID, interactive_container and interactive_container_ID.

When interface message is Response_interactive_container, this message sends to the interactive service platform from IP gateway by the TCP connection of setting up, be used to respond Send_interactive_container message, the sign receive_flag that this message is carried uniquely identified Service_ID, interactive_container_ID and whether received this interactive information.

In the error_status field that interface message is carried, the implication of each value as shown in Table 5:

Value	Connotation
Value	Connotation	0x0000	Reserve
0x0001	Invalid message	0x0000	Reserve
0x0001	Invalid message	0x0002	Unsupported protocol version
0x0003	Unknown value of message types	0x0002	Unsupported protocol version
0x0003	Unknown value of message types	0x0004	Message is long
0x0005	Unknown Service_ID	0x0004	Message is long
0x0005	Unknown Service_ID	0x0006	Unknown field_type value
0x0007	The parameter length deficiency	0x0006	Unknown field_type value
0x0007	The parameter length deficiency	0x0008	Lack necessary parameter
0x0009	The Service_ID value is used	0x0008	Lack necessary parameter
0x0009	The Service_ID value is used	0x000a	Unknown error
0x000b	Fatal error	0x000a	Unknown error

Table five

In the receive_flag field that interface message is carried, the implication of each value as shown in Table 5:

Value

Connotation

0x0000	Mutual dispensing containers receives successfully
0x0000	Mutual dispensing containers receives successfully	0x0001	Mutual dispensing containers takes defeat
0x0002	Mutual dispensing containers upgrades successfully	0x0001	Mutual dispensing containers takes defeat
0x0002	Mutual dispensing containers upgrades successfully	0x0003	Mutual dispensing containers upgrades failure
0x0004	Mutual dispensing containers is cancelled success	0x0003	Mutual dispensing containers upgrades failure
0x0004	Mutual dispensing containers is cancelled success	0x0005	Mutual dispensing containers is cancelled failure

Table six

In order to make the MUX/ scrambling unit from the TS stream that IP gateway sends, filter out the mutual dispensing containers relevant with the program stream of its carrying, this container encloses mutual configuration file, need flow chart as shown in Figure 3, this flow chart is the method flow diagram that obtains mutual dispensing containers in the embodiment of the invention, and its concrete steps are:

Step 301, content management units send to the interactive service platform with the service identification (Service_ID) of transport stream identification (TS_ID) and program stream;

Step 302, interactive service platform are given IP gateway synchronously with service identification.

Step 303, on IP gateway the mapping relations of configuration Service_ID and PID; After setting up these mapping relations, the mutual dispensing containers that IP gateway will be relevant with this Service_ID is bundled in the ES stream that is identified by corresponding PID; The MUX/ scrambling unit will filter to obtain required mutual dispensing containers according to PID.

Step 304, on the MUX/ scrambling unit mapping relations of configuration PID and Service_ID; The MUX/ scrambling unit is flowed to obtain required mutual dispensing containers by the TS that IP gateway sends according to the PID filtration of configuration.

In system shown in Figure 2, the mutual configuration information that the interactive service platform provides according to the interactive service source unit is that different programs generates mutual configuration file.The interactive service platform at first obtains TS_ID and Service_ID from content management units, and corresponding TS_ID and Service_ID need be provided when the mutual configuration information that provides the interactive service source unit.The type of these two signs as shown in Table 7.

The field_type value	The connotation of field	Type/unit	Length (byte)
The field_type value	The connotation of field	Type/unit	Length (byte)	Service_ID	Service identification;	uimsbf	4
TS_ID	The sign of transport stream	uimsbf		Service_ID	Service identification;	uimsbf	4	4

Table seven

Shown in the mutual configuration information table eight that the interactive service source unit provides:

The field_type value	The connotation of field	Type/unit	Length (byte)
The field_type value	The connotation of field	Type/unit	Length (byte)	Send_time	Begin to send the time of mutual configuration file; Here mutual configuration file is that the interactive service platform generates according to mutual configuration information; The IP gateway will send to the MUX/ scrambling unit with mutual configuration file constantly at Send_time; Send_time and Validfrom in the mutual configuration file can be different	UTC+MJD
Repeat_interval	Send the interval of mutual configuration file container; Unit is a millisecond, and sign sends the time interval of mutual configuration file container at interval after Send_time;	Uimsbf	8	Send_time		UTC+MJD
Repeat_interval		Uimsbf	8	Repeat_count	Repeat to send the number of times of mutual dispensing containers	Uimsbf	8
Interactive_info	The mutual configuration information relevant with user interactions.	Uimsbf	User definition	Repeat_count		Uimsbf	8

Table eight

Fig. 4 carries out the generation and the transmission flow figure of mutual configuration file for the embodiment of the invention based on system shown in Figure 2, and its concrete steps are:

Step 401, interactive service source unit provide mutual configuration information for specific program stream.

The interactive service platform provides mutual configuration file build environment for the interactive service source unit.The mutual configuration information that the interactive service source unit need specify or provide comprises: specify and interactive service information related service sign and service identification.The interactive service platform will use these two signs to determine its transmission channel when the mutual dispensing containers that will encapsulate mutual configuration file sends to IP gateway.Other information as shown in Table 8.

Existing mutual configuration information can be edited or revise to the interactive service source unit also.

Step 402, interactive service platform generate mutual configuration file and are encapsulated in the mutual dispensing containers.

The interactive service platform is finished following function: the mutual configuration information that provides according to the interactive service source unit generates mutual configuration file, and for this document distributes a sign, this sign will be as the value of interactive_container_ID field; Encapsulate mutual configuration file with mutual appearance dispensing containers.

Step 403, interactive service platform set up with IP gateway that TCP is connected and mutual dispensing containers is sent to IP gateway.

The interactive service platform is finished following function: use interface message to set up TCP with IP gateway and be connected, the sign Service_ID of interface channel is the associated transport traffic identifier of appointment in the step 401 with assignment; Call Send_interactive_container message according to mutual control information and send mutual dispensing containers; Safeguard the TCP interface channel, comprise foundation, test and deletion passage etc.IP gateway is finished following function: the mutual dispensing containers that buffer memory receives.

Step 404, IP gateway are encapsulated into mutual dispensing containers in the ES stream and are transmitted to the MUX/ scrambling unit.

IP gateway is finished following function: definite time sends to the MUX/ scrambling unit with mutual dispensing containers; Mutual dispensing containers is bundled in the ES stream, and the sign PID of this ES stream is determined by Service_ID in the business configuration flow process and PID.

Step 405, MUX/ scrambling unit filter from the TS of IP gateway stream to obtain mutual dispensing containers, multiplexing this container and program stream.

The MUX/ scrambling unit is finished following function: filter the ES that receives from IP gateway according to the PID that determines and flow to obtain required mutual dispensing containers; Mutual dispensing containers is multiplexed in the program stream.For finishing this function, the MUX/ scrambling unit need be revised the Program Map Table (PMT) of program stream, to be incorporated into the ES stream that comprises mutual dispensing containers.

The program stream that step 406, MUX/ scrambling unit will comprise mutual dispensing containers sends to Multiplexing Unit.

Step 407, Multiplexing Unit send to portable terminal with program stream and mutual dispensing containers by radio network.

After portable terminal receives mutual dispensing containers, handle and represent to the user, allow process that the user carries out interactive operation as shown in Figure 5, its concrete steps are:

Step 501, portable terminal are called for short container version after receiving mutual dispensing containers, if version is 0, then delete the terminal mutual configuration file of the correspondence of buffer memory, obtain mutual configuration information otherwise filter mutual dispensing containers according to self-ability.

The mutual configuration information that step 502, portable terminal will obtain represents to the user.

Step 503, user select a kind of interactive mode, also need to edit interaction content under some mode.

Step 504, user return to portable terminal by selected interaction content and interactive mode.

Step 505, portable terminal return to interactive service source unit according to interactive mode by the mobile network with interaction content, realize interaction of stream meadia.

Fig. 6 is the system construction drawing of the IP broadcast network of embodiment of the invention realization interaction of stream meadia, and as shown in the figure: this system comprises: the radio network of portable terminal and wireless network side, Multiplexing Unit, IP network, program source unit, Business Management Platform, IP gateway, interactive service platform and interactive service source unit.Wherein, portable terminal comprises content receiving element and interaction process unit.

Each entity function that this system comprises as shown in Table 9.

The entity title	Functional description	Relevant interface
The entity title	Functional description	Relevant interface	The interactive service source unit	Provide mutual configuration information according to program stream for the interactive service platform; Edit or delete already present mutual configuration information; Specify mutual control information, as transmission time started, transmission interval, the transmission number of times of mutual configuration file	Interface 1
The interactive service platform	Obtain the professional address that sends from the Content Management Platform of broadcast side; Receive the mutual configuration information that the interactive service source provides; Generate mutual configuration file according to the mutual configuration information that receives; Encapsulate mutual configuration file with mutual dispensing containers; Structure sends to the message of IP gateway, is used to transmit mutual dispensing containers; Mutual control information control according to the appointment of interactive service source is sent to IP gateway with container, and control information as shown in Table 4	Interface 2 interfaces 1 interface 3	The interactive service source unit		Interface 1
The interactive service platform		Interface 2 interfaces 1 interface 3	IP gateway	Receive the container that the interactive service platform sends; Container is sent to Multiplexing Unit;	Interface 3 interfaces 9
Business Management Platform	Distribute the transmission resource to distribute and send resource, and put into electronic program guides, send to Multiplexing Unit to interactive service platform modifying service descriptor to the program source unit	Interface 4 interfaces 2 interfaces 8	IP gateway		Interface 3 interfaces 9
Business Management Platform		Interface 4 interfaces 2 interfaces 8	Chinese herbaceous peony order source unit	Be used to send program to Business Management Platform request transmission resource and send program stream to Multiplexing Unit by IP network	Interface 4 interfaces 7
Multiplexing Unit	Program receiving stream; Receive mutual dispensing containers; Program stream and mutual dispensing containers is multiplexing, and send by radio network and to receive the electronic program guides of revising	Interface 7 interfaces 9 interfaces 5 interfaces 8	Chinese herbaceous peony order source unit		Interface 4 interfaces 7
Multiplexing Unit		Interface 7 interfaces 9 interfaces 5 interfaces 8	The content receiver module	From radio network program receiving and mutual dispensing containers; Mutual dispensing containers is sent to the interaction process unit	Interface 9 interfaces 6
The interaction process unit	Receive mutual dispensing containers and processing from receiver module	Interface 6	The content receiver module		Interface 9 interfaces 6

Table nine

Each interface function between the described entity of Fig. 6 is as described in the table ten.

Entity 1	Entity 2	Interface	Functional description
Entity 1	Entity 2	Interface	Functional description	The interactive service source unit	The interactive service platform	Interface	1	The interactive service source unit sends to the interactive service platform by this interface with mutual configuration information, and concrete operations comprise: send mutual configuration information

			Upgrade mutual configuration information and cancel mutual configuration information
				The interactive service platform	Business Management Platform	Interface	2	The interactive service platform sends resource to the Business Management Platform application, is used to send mutual dispensing containers.Solicited message comprises at least: the traffic stream identifier relevant with interactive service;
The interactive service platform	IP gateway	Interface	3	The interactive service platform	Business Management Platform	Interface	2		The interactive service platform sends to IP gateway with mutual dispensing containers, and informs by message and to be used to transmit IP address and port;
The interactive service platform	IP gateway	Interface	3	IP gateway	Multiplexing Unit	Interface 9	According to transmitting IP address and port, use rtp streaming to transmit mutual dispensing containers to Multiplexing Unit;
The program source unit	Business Management Platform	Interface	4	IP gateway	Multiplexing Unit	Interface 9		Program source sends resource to the Business Management Platform application, is used to send program stream;
The program source unit	Business Management Platform	Interface	4	Multiplexing Unit	The terminal content receiver module	Interface	5		Identical with the function of the described interface 5 of Fig. 1
The content receiver module	The interaction process unit	Interface	6	Multiplexing Unit	The terminal content receiver module	Interface	5	Identical with the function of the described interface 6 of Fig. 1
The content receiver module	The interaction process unit	Interface	6	The program source unit	Multiplexing Unit	Interface 7	Program source sends to Multiplexing Unit by this interface with program stream;
Business Management Platform	Multiplexing Unit	Interface	8	The program source unit	Multiplexing Unit	Interface 7		Business Management Platform is sent to Multiplexing Unit with amended electronic program guides, wherein comprises the access parameter of interactive service in the electronic program guides

Table ten

Communicate by the TCP connection between interactive service platform and the IP gateway, for interface between the two, the interactive service platform is that client, IP gateway are servers.The interactive service platform need be determined information such as the IP address, port of IP gateway.The interactive service platform sends to IP gateway with mutual configuration file, and the mutual configuration file that IP gateway will receive issues by broadcast channel after multiplexing with the program stream that program source sends over.

In the embodiment shown in fig. 6, the form of the interface message between interactive service platform and the IP gateway is:

generic_message

{

Protocol_version // 1 byte

Message_type // 2 bytes

Message_length // 2 bytes

for(i＝0；i＜n；i++)

{

Field_type // 2 bytes

Field_length // 2 bytes

Field_value //＜field_length〉byte

}

The type of interface message is shown in table ten one:

Table ten one

In the described present embodiment of Fig. 6, the interactive service platform is set up TCP as client to the IP gateway request and is connected, and after connecting mutual configuration file is sent to IP gateway, and detailed process is:

In the described system of Fig. 6, the different implications of the field_type value correspondence in the interface message are shown in table ten two:

Table ten two

Wherein, Service_ID: set up TCP interface channel ID, distributed by the interactive service platform, unique interactive media definite and that IP gateway is set up transmits passage; Error_status: the error condition of passage/stream; Error_information: error description information; Interactive_container: mutual configuration file; Interactive_container_ID: the ID of mutual configuration file.

Be defined as follows for each interface message in table ten one.

In the described system of Fig. 6, in the error_status field that interface message is carried, the implication of each value is shown in table ten two:

Value	Connotation
Value	Connotation	0x0000	Reserve
0x0001	Invalid message	0x0000	Reserve
0x0001	Invalid message	0x0002	Unsupported protocol version
0x0003	Unknown value of message types	0x0002	Unsupported protocol version
0x0003	Unknown value of message types	0x0004	Message is long

0x0005	Unknown Service_ID
0x0005	Unknown Service_ID	0x0006	Unknown field_type value
0x0007	The parameter length deficiency	0x0006	Unknown field_type value
0x0007	The parameter length deficiency	0x0008	Lack necessary parameter
0x0009	The Service_ID value is used	0x0008	Lack necessary parameter
0x0009	The Service_ID value is used	0x000a	Unknown error
0x000b	Fatal error	0x000a	Unknown error

Table ten two

In the described system of Fig. 6, in the receive_flag field that interface message is carried, the implication of each value is shown in table ten three:

Value	Connotation
Value	Connotation	0x0000	Mutual dispensing containers receives successfully
0x0001	Mutual dispensing containers takes defeat	0x0000	Mutual dispensing containers receives successfully
0x0001	Mutual dispensing containers takes defeat	0x0002	Mutual dispensing containers upgrades successfully
0x0006 is to 0x7FFF	Keep	0x0002	Mutual dispensing containers upgrades successfully
0x0006 is to 0x7FFF	Keep	0x8000 is to 0xFFFF	User definition

Table ten three

The flow chart that Fig. 7 carries out interactive service configuration for the embodiment of the invention based on the described system of Fig. 6, this configuration flow is initiated by the interactive service source, before mutual configuration information sends till, its concrete steps are:

Step 701, interactive service source unit send mutual configuration information to the interactive service platform request, and solicited message comprises: the related service ID of interactive service.

The interactive service platform sends resource to the Business Management Platform request, and solicited message comprises: the related service ID of interactive service.

Step 702, Business Management Platform distribute the transmission resource, and revise corresponding business access parameter in the electronic program guides.

Step 704, Business Management Platform send resource with interactive service and inform Multiplexing Unit, and this message comprises: the related service ID of interactive service; The transmission resource of interactive service is as sending resource, port etc.

Step 705, Business Management Platform send resource with interactive service and inform the interactive service platform, and this message comprises: the transmission resource of interactive service, and as sending resource, port etc.

In the described system of Fig. 6, the process that how to generate mutual configuration file is identical with the described system of Fig. 2, and Fig. 8 generates the method flow diagram of mutual configuration file and transmission based on the described system of Fig. 6 for the embodiment of the invention:

Step 801, interactive service source unit provide mutual configuration information for specific business.

The interactive service platform provides mutual configuration file build environment for the interactive service source unit.The mutual configuration information that the interactive service source need specify or provide comprises: specify relevant transmission sign and service identification.The interactive service platform will use these two signs to determine its transmission channel when the container that will encapsulate mutual configuration file sends to IP gateway.Other information are shown in table ten one.Existing mutual configuration information can be edited or revise to the interactive service source unit also

Step 802, interactive service platform generate mutual configuration file and are encapsulated in the mutual dispensing containers.

The interactive service platform is finished following function:

The information that provides according to the interactive service source unit generates mutual configuration file, and for this document distributes a sign, this sign will be as the value of interactive_container_ID field.Encapsulate mutual configuration file with mutual dispensing containers.

Step 803, interactive service platform and IP gateway connects and mutual dispensing containers is sent to IP gateway.

The interactive service platform is finished following function: use interface message and IP gateway to connect, the sign Service_ID of interface channel is the associated transport sign of appointment in the step 801 with assignment.

Call Send_interactive_container according to mutual control information and send mutual dispensing containers; In message, add forwarding address and port when sending mutual dispensing containers; Maintenance channel comprises foundation, test and deletion passage.

IP gateway is finished following function: the mutual dispensing containers of buffer memory.

Step 804, IP gateway are encapsulated into mutual dispensing containers in the rtp streaming and are transmitted to Multiplexing Unit.

IP gateway is finished following function: mutual dispensing containers is sent to Multiplexing Unit; Mutual dispensing containers is bundled in the rtp streaming, and the address of this rtp streaming is informed in notification message by the interactive service platform.

Step 805, Multiplexing Unit are with program stream and to carry the rtp streaming of mutual dispensing containers multiplexing, and send to portable terminal by radio network.

The interaction process unit of step 806, portable terminal obtains mutual dispensing containers by the content receiving element and handles.

Fig. 9 is renewal and the deletion flow chart of the embodiment of the invention based on the mutual configuration information of the described system of Fig. 6, and its concrete steps are:

Step 901, interactive service source unit provide new mutual configuration information or delete instruction for specific business.

The interactive service platform provides mutual configuration file build environment for the interactive service source unit.The mutual configuration information that the interactive service source need specify or provide comprises: specify relevant transmission sign and service identification.The interactive service platform will use these two signs to determine its transmission channel when the container that will encapsulate mutual configuration file sends to IP gateway.Other information are shown in table ten one.The interactive service platform is in encapsulation during mutual dispensing containers, if mutual configuration information update then container version number add 1, number put 0 if mutual configuration information is deleted then container version.Existing mutual configuration information can be edited or revise to the interactive service source unit also.

Step 902, interactive service source unit provide new mutual configuration information or delete instruction for specific business.

The interactive service platform provides mutual configuration file build environment for the interactive service source unit.The mutual configuration information that the interactive service source need specify or provide comprises: specify relevant transmission sign and service identification.The interactive service platform will use these two signs to determine its transmission channel when the container that will encapsulate mutual configuration file sends to IP gateway.Other information are shown in table ten one.

The interactive service platform is in encapsulation during mutual dispensing containers, if the then mutual dispensing containers version number of mutual configuration information update adds 1, number puts 0 if mutual configuration information is deleted then container version.

Existing mutual configuration information can be edited or revise in the interactive service source also.

Step 903, interactive service platform generate mutual configuration file and are encapsulated in the mutual dispensing containers.

The interactive service platform is finished following function: the information that provides according to the interactive service source unit generates mutual configuration file, and for this document distributes a sign, this sign will be as the value of interactive_container_ID field.With the mutual configuration file of container encloses.

Step 904, interactive service platform and IP gateway connect and container are sent to IP gateway

The interactive service platform is finished following function: adopt interface message and IP gateway to connect, the sign Service_ID of interface channel is the associated transport sign of appointment in the step 901 with assignment.

Call Send_interactive_container message according to mutual control information and send container, in message, add forwarding address and port when sending mutual dispensing containers; Maintenance channel comprises foundation, test and deletion passage.

Step 905, IP gateway are encapsulated into mutual dispensing containers in the rtp streaming and are transmitted to Multiplexing Unit.

Step 906, Multiplexing Unit are with program stream and to carry the rtp streaming of mutual dispensing containers multiplexing, and send to portable terminal by radio network.

After the content receiving element of step 907, portable terminal obtained mutual dispensing containers: as version number was 0, and then this mutual configuration information is deleted, and notice interaction process unit is no longer handled; As version number is not 0, then gives the interaction process unit, and the interaction process unit finds that version number increases, and then upgrades mutual configuration information reprocessing.

Figure 10 is the user interaction flow figure of the embodiment of the invention based on the described system of Fig. 6, and its concrete steps are:

After step 1001, portable terminal are received mutual dispensing containers, filter mutual dispensing containers according to self-ability and obtain mutual configuration information.

The mutual configuration information that step 1002, portable terminal will obtain represents to the user.

Step 1003, user select a kind of interactive mode, also need to edit interaction content under some mode.

Step 1004, user return to portable terminal by selected interaction content and interactive mode.

Step 1005, portable terminal return to interactive service source unit according to interactive mode by the mobile network with interaction content, realize interaction of stream meadia.

In Fig. 2 and system shown in Figure 6, the form of mutual configuration file is shown in table ten one.

Title	Type	Whether essential	Corresponding relation	Describe
Title	Type	Whether essential	Corresponding relation	Describe	TextStream	E	M	The piece of mutual bag.In configuration file only so that the piece of a mutual bag to be arranged.
TextSample	E1	M		1..n	TextStream	E	M		Concrete interactive object
TextSample	E1	M		1..n	Id	A	M	1	Concrete interactive object	The identification number of this object
ValidFrom	A	M	1	This interactive object begins to show in terminal	Id	A	M	1		The identification number of this object

				Time
				Time	ValidTo	A	M	1	This interactive object finishes the time of demonstration in terminal
StartMediaFlag	A	O	1	Whether the current object of this parameter indicating the object of first displaying	ValidTo	A	M	1
StartMediaFlag	A	O	1		TextTitle	E2	M	0..1	This character length is no more than 256 bytes
TextContent	E2	M	0..1	This character length is no more than 256 bytes	TextTitle	E2	M	0..1	This character length is no more than 256 bytes
TextContent	E2	M	0..1	This character length is no more than 256 bytes	ActionDescriptor	E2	O	0..1	Operation is described and has following attribute to flow process: InputallowedTime OnTimeOutPointer OnActionPointer
InputallowedTime	A	M	0..1	Allow the time of user's operation	ActionDescriptor	E2	O	0..1
InputallowedTime	A	M	0..1	Allow the time of user's operation	OnTimeOutPointer	A	M	0..1	The object number that should turn to after the user is overtime
OnActionPointer	A	M	0..1	The object number that should turn to after the user operates at the appointed time	OnTimeOutPointer	A	M	0..1
OnActionPointer	A	M	0..1		BackOffTiming	E2	M	0..1	The definition terminal is returned the transmitting time of mutual note, and a kind of mechanism of avoiding the server overload of the information that receives is provided
OffsetTime	A	M	1	Upload the minimum time that message will be waited for after the definition interaction triggers	BackOffTiming	E2	M	0..1
OffsetTime	A	M	1		RandomTime	A	M	1	Send the time window of message at random
CommonInteractive	E2	M	0..1	Common template	RandomTime	A	M	1	Send the time window of message at random
CommonInteractive	E2	M	0..1	Common template	OperationCount	A	M	0..n	Under the universal interaction pattern, the number of interactive operation, if the value of Count is 0, GC group connector need be closed this function.Should be worth at present less than 9
KeyMap	E3	M	0..n	Define various interactive modes with the button binding	OperationCount	A	M	0..n
KeyMap	E3	M	0..n	Define various interactive modes with the button binding	Type	A	M	1	Mutual type.Enumerated value: " SSMS " representative: preset short message interacting." ESMS " representative: self-defined short message interacting, this function reservation does not at present realize." VoiceCall " representative: Voice call, USSD " Vedio Call " representative: Video call " Http " representative: the WAP function, the difference according to the address of parameterl can realize Http, the visit of Https website, DRM and non-DRM download.Specific implementation is realized by terminal.

				The function of Java is used in the JAVA representative
				The function of Java is used in the JAVA representative	KeyNum	A	M	1	The button of mobile phone, 1～9
ConfirmFlag	A	M	1	Whether terminal needs operation acknowledgement mechanism, the mechanism of the similar SMS confirmation of this mechanism	KeyNum	A	M	1	The button of mobile phone, 1～9
ConfirmFlag	A	M	1		Paraml	E3	M	0..1
Attribute	A	M		1	Paraml	E3	M	0..1		Enumerated value: " SendNumber ", the value of this element has been represented called number for this value of function SMS." CalledNumber ", the value of this element is for function voice call, VP, functions such as USSD, this value has been represented called number." URL ", the value of this element is then represented relevant network address for function for the function of using WAP.This value length is less than 256. " JAVA ", the relevant parameter of java applet at interactive mode used in the value representative of this element, and the form of this value is: " MIDlet-Name, Class Name; MIDlet-Vendor " representative is used under the JAVA interactive mode, the relevant parameter of JAVA
Attribute	A	M		1	Param2	E3	M	0..1
Attribute	A	M		1	Param2	E3	M	0..1		Enumerated value: " SendContents ", the value of this element content " ConfrimContents " that representative sends for function SMS, the value of this element is for function voice call, VP, USSD, functions such as WAP, the information when this value has been represented operation acknowledgement.This value length is less than 256.
Attribute	A	M		1	Param3	E3	M	0..1
Attribute	A	M		1	Param3	E3	M	0..1		Enumerated value: " ConfrimContents ", the information the when value of this element is represented operation acknowledgement for function SMS, voice call, VP, USSD, functions such as WAP, this value are generally empty breath.This value length is less than 256.

SMSInteractive	E2	M	0..1	The short message template
SMSInteractive	E2	M	0..1	The short message template	DefaultContents	E3	M	0..1	The user is under this pattern, and the short message content of transmission is " ServiceIdentfier space DefaultContents "
ConfirmFlag	A	M	0..1	Whether need the user to confirm the sign of importing, be sky if this is worth, then GC group connector need be closed the short message interacting function.	DefaultContents	E3	M	0..1
ConfirmFlag	A	M	0..1		CalledNumber	A	M	0..1	The destination address that note sends, number length are the length of common MSISDN definition, are no more than 16 numerals
ServiceIdentfier	A	M	0..1	The short message content that sends, length is less than 32 bytes	CalledNumber	A	M	0..1
ServiceIdentfier	A	M	0..1		ConfrimContents	A	M	0..1	When SMS confirmation, terminal ejects the content of SMS confirmation.Length is less than 32 bytes

Table ten four

In embodiments of the present invention, generally mutual configuration file is transmitted after stream media information is multiplexing, below introduce encapsulation and the transmission course of mutual configuration file in program stream in detail.

Mutual configuration file is encapsulated in the mutual dispensing containers, mutual configuration file of each mutual dispensing containers encapsulation, and the structure of mutual dispensing containers is as shown in figure 11.

When mutual dispensing containers transmits in CMMB, can in the data segment of the multiplexed sub frame of CMMB, transmit, and this data segment should with program stream in a multiplexed sub frame.Figure 12 is the data segment structure of multiplexed sub frame among the CMMB, wherein, when the type of data cell is 0x02, carrying be mutual dispensing containers.Carry the data cell of mutual dispensing containers, comprise data unit header, data and redundancy check (CRC) data three parts.As shown in figure 13, wherein, data unit header comprises mutual dispensing containers ID, segment number and hop count amount.

Field name	The field implication	Field type	Length (bit)
Field name	The field implication	Field type	Length (bit)	Container ID	Be meant transmission ID, in multiplexed sub frame, be used to distinguish the distinct interaction dispensing containers;	Uimsbf	16
Segment number	When the interactive information container surpassed 64KB, a mutual dispensing containers can be divided into a plurality of sections, by a plurality of units of data carry.Segment number shows the section of current data unit carrying.	Uimsbf	8	Container ID		Uimsbf	16
Segment number		Uimsbf	8	The hop count amount	When the interactive information container surpassed 64KB, a mutual dispensing containers can be divided into a plurality of sections.The segmentation sum of the bright current mutual dispensing containers of hop count scale;	Uimsbf	8

When mutual dispensing containers surpasses the capacity of a units of data carry, can be by a plurality of units of data carry, segment number shows the section of current data unit carrying, the segmentation sum of the bright current mutual dispensing containers of hop count scale.At this moment, mutual dispensing containers is made up of all identical data cells of mutual dispensing containers ID.

Figure 14 is embodiment of the invention portable terminal is searched mutual dispensing containers in the CMMB multiplexed sub frame a method flow diagram, and its concrete steps are:

After step 1401, portable terminal receive the CMMB multiplexed sub frame by radio network, search the data cell of program stream home service.

Step 1402, portable terminal analysis find the data unit header of data cell, find all data cells of carrying mutual dispensing containers ID according to data cell type and mutual dispensing containers ID.

Step 1403, portable terminal obtain the mutual dispensing containers of carrying from all data cells that find, merge according to mutual dispensing containers ID.

In embodiments of the present invention, mutual dispensing containers can also transmit in TS, below describes in detail.

Broadcast mode such as DVB-T, DMB has all adopted TS stream media bearing information, and mutual dispensing containers is transmitted by a special ES stream.

The PID of this ES stream provides in the pmt table of described business, and specifically, the pmt table structure of DVB service as shown in figure 15; When stream_type was 0x05, the ES stream shown in this PID was Private section.Shown in it is defined as follows.

Field name	The field implication	Field type	Field length (bit)
Field name	The field implication	Field type	Field length (bit)	private_section(){
table_id	When getting 0x11, this table carries mutual dispensing containers	uimsbf	8	private_section(){
table_id		uimsbf	8	section_syntax_indicator	0	bslbf	1
private_indicator	0	bslbf	1	section_syntax_indicator	0	bslbf	1
private_indicator	0	bslbf	1	reserved		bslbf		2
private_section_length	Current section length	uimsbf	12	reserved		bslbf		2
private_section_length	Current section length	uimsbf	12	if(section_syntax_indicator＝＝ ′0′){
for(i＝0；i＜N；i++){				if(section_syntax_indicator＝＝ ′0′){

private_data_byte		bslbf	8
private_data_byte		bslbf	8	}
}				}
}				else{
table_id_extension	Transmission ID is used to distinguish mutual dispensing containers	uimsbf	16	else{
table_id_extension		uimsbf	16	reserved		bslbf		2
version_number	0	uimsbf	5	reserved		bslbf		2
version_number	0	uimsbf	5	current_next_indicator	0	bslbf	1
section_number	The numbering of current section in all section of mutual dispensing containers	uimsbf	8	current_next_indicator	0	bslbf	1
section_number		uimsbf	8	last_section_number	The section quantity of mutual dispensing containers	uimsbf	8
for(i＝0；i＜private_section_length-9；i++){				last_section_number	The section quantity of mutual dispensing containers	uimsbf	8
for(i＝0；i＜private_section_length-9；i++){				private_data_byte	The data of mutual dispensing containers	bslbf	8
}				private_data_byte	The data of mutual dispensing containers	bslbf	8
}				CRC_32	Check digit	rpchof	32
}				CRC_32	Check digit	rpchof	32
}				}

Wherein, table_id: this table is used for expression and whether has carried mutual dispensing containers; Section_syntax_indicator: get " 1 "; Private_indicator: irrelevant; Private_section_length: current section length; Table_id_extension: be used to distinguish mutual dispensing containers; Version_number: mutual dispensing containers version; Current_next_indicator:section_number: the numbering of current section in all section of mutual dispensing containers; Last_section_number: the section quantity of mutual dispensing containers; Private_data_byte: the data of mutual dispensing containers; CRC_32: cyclic check data.

Figure 16 is embodiment of the invention portable terminal is searched mutual dispensing containers in TS stream a method flow diagram, and its concrete steps are:

Step 1601, portable terminal receive Program Association Table (PAT) from radio network.

Step 1602, portable terminal are searched the affiliated professional pmt table of program stream.

Step 1603, portable terminal are searched the ES stream that stream_type is 0x05 in pmt table.

Step 1604, portable terminal are searched table_id and are represented whether carried mutual dispensing containers in finding ES stream, if get access to the mutual dispensing containers of carrying.

In embodiments of the present invention, mutual dispensing containers can also transmit in real-time transport protocol (rtp) message, below describes in detail.

Mutual dispensing containers can pass through the RTP message bearing.In order to reduce and the conflicting of defined agreement, present embodiment defines with a new Timed Text type TYPE 7.The structure of this RTP message as shown in figure 17, wherein, U: with reference to RFC4396; R: with reference to RFC4396; LEN: with reference to RFC4396; TYPE:TYPE=7 (types value of present embodiment definition, expression carries mutual dispensing containers); TLEN: with reference to RFC4396.

Figure 18 is embodiment of the invention portable terminal is searched mutual dispensing containers in rtp streaming a method flow diagram, and its concrete steps are:

Rtp streaming address and corresponding loadtype that step 1801, portable terminal flow according to the relevant 3GPP Timed Text of rtp streaming, the program stream of SDP file acquisition program stream.

Step 1802, portable terminal insert this rtp streaming and obtain 3GPP TimedText stream according to loadtype.

Step 1803, portable terminal are analyzed the RTP bag in 3GPP Timed Text stream, the type of getting the loading section of RTP bag is 6 RTP bag.

Step 1804, portable terminal are obtained the loading section of this 3GPP Timed Text bag, are a mutual dispensing containers.

Step 1805, portable terminal obtain mutual configuration information after resolving mutual dispensing containers.

Step 1806, portable terminal are presented to the user after handling mutual configuration information.

The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being made within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims

1. system that realizes interaction of stream meadia, it is characterized in that this system comprises: portable terminal and network side, described network side comprises: interactive service source unit, interactive service platform, IP gateway, program source unit, MUX/ scrambler unit and Multiplexing Unit, wherein

The program source unit is used for stream media information is sent to the MUX/ scrambler unit;

The interactive service source unit is used for mutual configuration information and control information are sent to the interactive service platform;

The interactive service platform after being used for getting access to mutual configuration information and control information from the interactive service source unit, generates mutual configuration file, is encapsulated into mutual dispensing containers and sends to IP gateway after according to control information;

IP gateway, the mutual dispensing containers that is used for receiving from the interactive service platform sends to the MUX/ scrambler unit;

The MUX/ scrambler unit after being used for receiving mutual dispensing containers from program source unit receiving stream media information with from IP gateway, is carried out multiplexingly, obtains transport stream, sends to Multiplexing Unit;

Multiplexing Unit is used to receive the transport stream that the MUX/ scrambler unit sends, and sends to portable terminal by radio network after multiplexing a plurality of transport stream.

2. the system as claimed in claim 1 is characterized in that, this system also comprises content management units, be used for service identification and transport stream identification are sent to the interactive application platform,

Described interactive application platform, be used to receive service identification and transport stream identification after, corresponding to sending to the MUX/ scrambler unit in the mutual dispensing containers.

3. system as claimed in claim 2 is characterized in that, the interface between described interactive service source unit and the interactive service platform is an interface 1, is used to transmit mutual configuration information and control information;

Interface between described interactive service platform and the IP gateway is an interface 2, is used for transmitting mutual dispensing containers according to control information;

Interface between described IP gateway and the MUX/ scrambling unit is an interface 3, is used to transmit mutual dispensing containers;

Interface between described program source unit and the MUX/ scrambling unit is an interface 4, is used for the transport stream media information;

Interface between described Multiplexing Unit and the portable terminal is an interface 5, is used for transport stream media information and the mutual multiplexing transport stream of dispensing containers;

Interface between described content management units and the interactive service platform is an interface 7, is used for transport service sign and transport stream identification;

Interface between described MUX/ scrambling unit and the Multiplexing Unit is an interface 8, is used to produce Business Stream.

4. as claim 1,2 or 3 described systems, it is characterized in that described portable terminal comprises content receiver module and interaction process unit, and between interface be interface 6, wherein,

The content receiver module is used for receiving the transport stream that sends from Multiplexing Unit by radio network, and the mutual dispensing containers that gets access in the transport stream sends to the interaction process unit;

The interaction process unit after being used for receiving mutual dispensing containers from the content receiver module, carries out the interaction of stream media information.

5. as claim 1,2 or 3 described systems, it is characterized in that, connect by the TCP that sets up between described interactive service platform and the IP gateway and carry out the transmission of mutual dispensing containers, described foundation, maintenance or deletion TCP connect be by between interface message finish, be specially:

When interface message was Transport_setup, this message sent to IP gateway from the interactive service platform after setting up the TCP connection, be used to set up a passage, was used to set up the passage that TCP connects;

When interface message was Transport_test, interactive service platform or IP gateway sent this message to the other side, were used for the state of test channel;

When interface message was Transport_status, interactive service platform or IP gateway sent this message to the other side, were used to represent the state of TCP interface channel, as the response of Transport_setup message or Transport_test message;

When interface message was Transport_close, this message connected by the TCP that sets up from the interactive service platform and sends to IP gateway, was used to cancel the passage that the TCP of foundation connects;

Interface message is Transport_error, and interactive service platform and IP gateway send this message to the other side, is used to respond Transport_test message or transmission when wrong in an end is found passage;

When interface message was Send_interactive_doc, this message sent to IP gateway from the interactive service platform by the TCP connection of setting up, and is used to send mutual dispensing containers;

When interface message was Response_interactive_container, this message sent to the interactive service platform from IP gateway by the TCP connection of setting up, and is used to respond Send_interactive_container message.

6. method based on the realization interaction of stream meadia of the described system of claim 1 is characterized in that this method comprises:

The program source unit of network side sends to the MUX/ scrambler unit with stream media information; The interactive service platform of network side is according to getting access to mutual configuration information from the interactive service source unit, is encapsulated in the mutual dispensing containers after generating mutual configuration file, and according to the control information of interactive service source appointment mutual dispensing containers sent to IP gateway; IP gateway is encapsulated into mutual configuration file in the transport stream and is transmitted to the MUX/ scrambling unit; The MUX/ scrambling unit will be multiplexed with transport stream with mutual dispensing containers from the program stream of program source and send to Multiplexing Unit; The transport stream of the multiplexing a plurality of MUX/ ciphering units of Multiplexing Unit, and send to portable terminal by radio network;

After portable terminal receives transport stream, resolve the mutual configuration information and the stream media information that obtain in the mutual dispensing containers, carry out the interaction of stream media information according to mutual configuration information.

7. method as claimed in claim 6 is characterized in that, described interactive service platform generates mutual dispensing containers, sends to IP gateway, and IP gateway is transmitted to the single process of MUX/ encryption with interactive dispensing containers and is:

The content management units of network side sends to the interactive service platform with the service identification Service_ID of transport stream identification TS_ID and program stream;

When setting up TCP and be connected, the interactive service platform and the IP gateway of network side give gap marker Service_ID the value of TS_ID; The interactive service platform sends Service_ID to IP gateway;

The IP gateway of network side obtains Service_ID and sets up Service_ID and the mapping relations of the package identification PID of program stream;

IP gateway will be relevant with this Service_ID mutual dispensing containers be bundled to by in the key element ES of the corresponding sign stream;

The mapping relations of configuration identifier and Service_ID on the MUX/ scrambling unit, MUX/ scrambling unit are filtered the TS that is sent by IP gateway according to the sign of configuration and are flowed to obtain required mutual dispensing containers.

8. method as claimed in claim 6 is characterized in that, is encapsulated in the mutual dispensing containers behind the mutual configuration file of described generation, and the process that sends to IP gateway is:

The interactive service source unit of network side provides mutual configuration information for specific program stream;

The interactive service platform generates mutual configuration file and is encapsulated in the mutual dispensing containers.

The interactive service platform sets up with IP gateway that TCP is connected and mutual dispensing containers is sent to IP gateway.

9. method as claimed in claim 6 is characterized in that described parsing obtains mutual configuration information, and the process of carrying out the interaction of stream media information according to mutual configuration information is:

After portable terminal is received mutual dispensing containers, filter mutual dispensing containers according to self-ability and obtain mutual configuration information;

The mutual configuration information that portable terminal will obtain represents to the user;

The user selects a kind of interactive mode, also needs to edit interaction content under some mode;

The user returns to portable terminal by selected interaction content and interactive mode;

Portable terminal returns to interactive service source unit according to interactive mode by the mobile network with interaction content, realizes interaction of stream meadia.

10. system that realizes interaction of stream meadia, it is characterized in that this system comprises portable terminal and network side, network side also comprises radio network, Multiplexing Unit, program source unit, Business Management Platform, IP gateway, interactive service platform and interactive service source unit, wherein

The interactive service source unit is used for sending stream media information to the interactive service platform;

The interactive service platform is used to receive the stream media information that the interactive service source unit sends, and generates mutual configuration file, is carried in the mutual dispensing containers to send by the transmission resource from the Business Management Platform request, sends to IP gateway;

IP gateway after being used to receive the mutual dispensing containers of interactive service platform transmission, sends to Multiplexing Unit;

Business Management Platform is used for to program source unit and interactive service platform Resources allocation, and modification business description information is carried at and sends to Multiplexing Unit in the electronic program guides;

The program source unit is used for sending stream media information to Multiplexing Unit by from the Business Management Platform requested resource;

Multiplexing Unit is used for receiving mutual dispensing containers from program source unit receiving stream media information from IP gateway, obtains the electronic program guides revised from Business Management Platform, carries out obtaining transport stream after multiplexing, sends to portable terminal.

11. system as claimed in claim 10 is characterized in that, the interface between described interactive service source unit and the interactive service platform is an interface 1, is used to transmit mutual configuration information;

Interface between described interactive service platform and the Business Management Platform is an interface 2, is used for application and sends mutual dispensing containers resource;

Interface between described interactive service platform and the IP gateway is an interface 3, is used for the mutual dispensing containers of transmission;

Interface between described IP gateway and the Multiplexing Unit is an interface 9, is used to transmit mutual dispensing containers;

Interface between the single platform of described program source unit and service management is an interface 4, is used for application and sends the stream media information resource;

Interface between described Multiplexing Unit and the portable terminal is an interface 5, is used for the multiplexing transport stream of electronic program guides of transport stream media information, mutual dispensing containers and modification;

Interface between described program source unit and the Multiplexing Unit is an interface 7, is used for the transport stream media information;

Interface between described Business Management Platform and the Multiplexing Unit is an interface 8, is used to transmit amended electronic program guides.

12., it is characterized in that described portable terminal comprises content receiver module and interaction process unit as claim 10 or 11 described systems, and between interface be interface 6, wherein,

13. as claim 10 or 11 described systems, it is characterized in that, connect by the TCP that sets up between described interactive service platform and the IP gateway and carry out the transmission of mutual dispensing containers, described foundation, maintenance or deletion TCP connect be by between interface message finish, be specially:

When interface message was Transport_test, interactive service platform and IP gateway sent this message to the other side, were used for the state of test channel;

When interface message was Transport_status, interactive service platform and IP gateway sent this message to the other side, were used to represent the state of TCP interface channel;

Interface message is Transport_error, and interactive service platform and IP gateway send this message to the other side, is used to represent whether the TCP interface channel mistake occurs;

When interface message was Send_interactive_container, this message sent to IP gateway from the interactive service platform by the TCP connection of setting up, and is used to send mutual configuration information;

14. the method based on the realization interaction of stream meadia of the described system of claim 10 is characterized in that this method comprises:

The program source unit of network side sends to stream media information the Multiplexing Unit of network side, the interaction platform of network side is according to getting access to mutual configuration information from the interactive service source unit, be encapsulated in the mutual dispensing containers after generating mutual configuration file, send to the Multiplexing Unit of network side by IP gateway;

The Multiplexing Unit of network side with mutual dispensing containers and stream media information is multiplexing obtain transport stream after, send to portable terminal by radio network;

15. method as claimed in claim 14 is characterized in that, the described process that gets access to mutual configuration information from the interactive service source unit is:

The interactive service source unit sends mutual configuration information to the interactive service platform request, and solicited message comprises: the related service ID of interactive service;

The interactive service platform sends resource to the Business Management Platform request, and solicited message comprises: the related service ID of interactive service;

Business Management Platform distributes the transmission resource, and revises corresponding business access parameter in the electronic program guides;

Business Management Platform sends resource with interactive service and informs Multiplexing Unit, and this message comprises: the related service ID of interactive service;

Business Management Platform sends resource with interactive service and informs the interactive service platform.

16. method as claimed in claim 14 is characterized in that, is encapsulated in the mutual dispensing containers behind the mutual configuration file of described generation, the process that sends to IP gateway is:

The interactive service source unit provides mutual configuration information for business;

The interactive service platform generates mutual configuration file and is encapsulated in the mutual dispensing containers;

Interactive service platform and IP gateway connect and mutual dispensing containers are sent to IP gateway.

17. method as claimed in claim 16 is characterized in that, described mutual configuration information carries the more business information of new logo, and described portable terminal according to the process that mutual configuration information carries out the interaction of stream media information is:

Judge whether the mutual configuration information that receives carries more new logo, if then use this mutual configuration information that receives to carry out interaction of stream meadia; Otherwise, then delete the mutual configuration information that receives.

18. as claim 14 or 17 described methods, it is characterized in that described parsing obtains mutual configuration information, the process of carrying out the interaction of stream media information according to mutual configuration information is:

Portable terminal returns to interactive service source unit according to interactive mode by the mobile network with interaction content, realizes the stream media information interaction.

19. a method that realizes interaction of stream meadia is characterized in that, this method comprises:

Portable terminal obtains the interaction that mutual configuration information carries out stream media information according to parsing after receiving the mutual dispensing containers of stream media information and the mutual configuration information of corresponding carrying by radio network.

20. method as claimed in claim 19 is characterized in that, the mutual configuration information of described carrying in the process of mutual dispensing containers is:

Generate mutual configuration file according to mutual configuration information, mutual configuration file is encapsulated in the mutual dispensing containers.

21. method as claimed in claim 20, it is characterized in that, carry at least in the described mutual configuration file: the piece of the mutual bag of mutual configuration file, interactive object, the identification number of interactive object, interactive object portable terminal show by the time, Index0 zone content displayed, Index1 zone content displayed, allow the time of user's operation, the interactive object sign that turns to after the user is overtime, the interactive object sign that the user turns to after operating at the appointed time, return the transmitting time of mutual note, upload the Messages-Waiting time after the interaction triggers, send the message window of message at random, common template, the number of interactive operation under the universal interaction pattern, button with the mutual type mobile phone of the interactive mode of button binding, whether portable terminal needs operation acknowledgement mechanism, parameter and enumerated value thereof, form and address thereof with message template and transmission note thereof.

22., it is characterized in that described mutual dispensing containers is carried in the data cell of CMMB multiplexed sub frame and transmits as claim 19 or 20 described methods.

23. method as claimed in claim 22 is characterized in that, the process that described portable terminal is resolved mutual dispensing containers is:

After portable terminal receives the CMMB multiplexed sub frame by radio network, search the data cell of stream media information home service;

The portable terminal analysis finds the data unit header of data cell, finds all data cells of carrying mutual dispensing containers ID according to data cell type and mutual dispensing containers ID;

Portable terminal obtains the mutual dispensing containers of carrying from all data cells that find, merge according to mutual dispensing containers ID.

24., it is characterized in that described mutual dispensing containers is carried in the transport stream and transmits as claim 19 or 20 described methods.

25. method as claimed in claim 24 is characterized in that, the process that described portable terminal is resolved mutual dispensing containers is:

Portable terminal receives PAT from radio network;

Portable terminal is searched the affiliated professional pmt table of stream media information;

Portable terminal is searched stream_type has carried mutual dispensing containers sign for expression ES stream in pmt table;

Portable terminal is searched table_id and is represented whether carried mutual dispensing containers in finding ES stream, if, get access to the mutual dispensing containers of carrying, distinguish different mutual dispensing containers according to mutual dispensing containers ID.

26., it is characterized in that described mutual dispensing containers is carried in the rtp streaming and transmits as claim 19 or 20 described methods.

27. method as claimed in claim 26 is characterized in that, the process that described portable terminal is resolved mutual dispensing containers is:

Portable terminal is according to the rtp streaming address and the corresponding loadtype of the relevant 3GPP Timed Text stream of rtp streaming, the stream media information of SDP file acquisition stream media information;

Portable terminal inserts this rtp streaming and obtains 3GPP Timed Text stream according to loadtype.

Portable terminal is analyzed the RTP bag in 3GPP Timed Text stream, the type of getting the loading section of RTP bag is 6 RTP bag;

Portable terminal is obtained the loading section of this 3GPP Timed Text bag, is a mutual dispensing containers.