CN105792013B - IPTV merges the method and system of visual telephone service, mixed screen system - Google Patents
IPTV merges the method and system of visual telephone service, mixed screen system Download PDFInfo
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- CN105792013B CN105792013B CN201410820005.9A CN201410820005A CN105792013B CN 105792013 B CN105792013 B CN 105792013B CN 201410820005 A CN201410820005 A CN 201410820005A CN 105792013 B CN105792013 B CN 105792013B
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Abstract
The embodiment of the invention discloses a kind of method and systems of IPTV fusion visual telephone service, mixed screen system, wherein, method includes: that videophone client sends forwarding media stream notification message to visual telephone service device and sends mixed screen request message to associated IPTV client;IPTV client sends mixed screen instruction message to mixed screen system;The program media stream change of user's IPTV program being played on is sent to mixed screen system by mixed screen system instruction IPTV server, receive visual telephone service device send communication medium stream and IPTV server send program media stream simultaneously by the two hybrid coding be a new content Streaming Media be sent to IPTV client, by IPTV client in a manner of picture-in-picture broadcasting content Streaming Media.Merging for IPTV and visual telephone service may be implemented in the embodiment of the present invention.
Description
Technical field
The present invention relates to the communication technology, especially a kind of method and system of IPTV fusion visual telephone service, mixed screen system
System.
Background technique
With the development of communication technology, the individual demand that user uses business is also increasing.For example, user wishes
It can see Internet protocol television (IPTV) program simultaneously, videophone chat can carried out with kith and kin.
The mode for meeting the demand at present is: user can only be only using IPTV client and videophone client respectively
It is vertical to play corresponding IPTV program and telephone video.In the implementation of the present invention, it is a discovery of the invention that aforesaid way is at least deposited
In following problems:
To demanding terminal height, now network termination (that is: IPTV set top box) is most of at present only supports media stream all the way, nothing
Method supports the media stream of IPTV service and visual telephone service simultaneously;
To bandwidth requirement height, the video playing of IPTV service natively occupies biggish bandwidth resources, then is superimposed with visual
The bandwidth demand of phone, the access bandwidth that may exceed subscriber household can not smooth playing IPTV so as to cause network congestion
Program and telephone video, so that user experience is very poor.
Summary of the invention
The embodiment of the present invention provides a kind of method and system of IPTV fusion visual telephone service, mixed screen system, to realize
IPTV is merged with visual telephone service.
According to an aspect of an embodiment of the present invention, a kind of method of IPTV fusion visual telephone service provided, comprising:
The instruction of picture-in-picture response is carried out to video phone call in response to receiving, videophone client is to visual electricity
It talks about server and sends forwarding media stream notification message, to notify communication medium stream of the visual telephone service device by visual telephone service
It is sent to mixed screen system, and is sent to associated IPTV client and mixes screen request message, in the forwarding media stream notification message
Address information including the mixed screen system;
The IPTV client sends mixed screen instruction message to the mixed screen system, includes IPTV in the mixed screen instruction message
The user identity information of set-top box where the address of server and the IPTV client;
The mixed screen system is according to the user of set-top box where the address of the IPTV server and the IPTV client
Identification information indicates that the program media stream change of user IPTV program being played on is sent to by the IPTV server
The mixed screen system;
The mixed screen system receives the communication medium stream that the visual telephone service device is sent and IPTV server hair
The program media stream sent;
It is in one new that the communication medium stream and program media stream that receive are carried out hybrid coding by the mixed screen system
Hold Streaming Media, and is sent to the IPTV client;
IPTV client plays the content Streaming Media in a manner of picture-in-picture, and the IPTV client broadcasting pictures include
The broadcasting pictures of IPTV program and the communication picture of videophone.
In another embodiment based on the above method of the present invention, the mixed screen system by the communication medium stream received and
It is that a new content Streaming Media includes: that program media stream, which carries out hybrid coding,
The mixed screen system is replaced described according to preset picture-in-picture size and location with the communication medium stream received
In program media stream after the program media stream of corresponding position, obtained mixed-media stream is encoded, new content stream is obtained
Media.
It further include described in another embodiment based on the above method of the present invention, in the forwarding media stream notification message
The size and/or location information for the picture-in-picture that videophone client receives;Correspondingly, the mixed screen request message with it is described
It also accordingly include the size and/or location information of the picture-in-picture in mixed screen instruction message;
It is in one new that the communication medium stream and program media stream that receive are carried out hybrid coding by the mixed screen system
Holding Streaming Media includes:
The mixed screen system is replaced according to the size and/or location information of the picture-in-picture with the communication medium stream received
It changes in the program media stream after the program media stream of corresponding position, obtained mixed-media stream is encoded, obtain new
Content Streaming Media.
In another embodiment based on the above method of the present invention, further includes: be arranged in videophone client in advance
The address information of the mixed screen system.
In another embodiment based on the above method of the present invention, further includes: in advance in IPTV client described in setting
The address information of mixed screen system;Or the address information of the mixed screen system is carried in the mixed screen request message.
In another embodiment based on the above method of the present invention, further includes:
After visual telephone service, visual telephone service device sends what visual telephone service terminated to the mixed screen system
Notification message;The mixed screen system indicates the IPTV server by the program media of user IPTV program being played on
Stream restores to be sent to the set-top box where the IPTV client;Or
When the mixed screen system can't detect the communication medium stream that the visual telephone service device is sent, the IPTV is indicated
The program media stream recovery of user IPTV program being played on is sent to where the IPTV client by server
Set-top box.
In another embodiment based on the above method of the present invention, further includes:
The IPTV server continues for the program media stream of user IPTV program being played on to be sent to described
Mixed screen system;
The program media stream that the IPTV server is sent directly is sent to the IPTV client by the mixed screen system;
The IPTV client normal play IPTV program.
In another embodiment based on the above method of the present invention, further includes:
The program media stream recovery of user IPTV program being played on is sent to described by the IPTV server
IPTV client;
The IPTV client normal play IPTV program.
In another embodiment based on the above method of the present invention, further includes:
After IPTV service, IPTV server sends the notification message that IPTV service terminates to the mixed screen system;Institute
Stating mixed screen system, to indicate that the recovery of the communication medium stream of the visual telephone service is sent to by the visual telephone service device described
Videophone client;Or
When the mixed screen system can't detect the program media stream of the IPTV program, the visual telephone service device is indicated
The communication medium stream recovery of the visual telephone service is sent to the videophone client.
In another embodiment based on the above method of the present invention, further includes:
The visual telephone service device continues for the communication medium stream of the visual telephone service to be sent to the mixed screen system
System;
The communication medium stream that the visual telephone service device is sent directly is sent to the IPTV visitor by the mixed screen system
Family end;
The communication picture of the IPTV client normal play videophone.
In another embodiment based on the above method of the present invention, further includes:
The communication medium stream recovery of the visual telephone service is sent to the visual electricity by the visual telephone service device
Talk about client;
The communication picture of the videophone client normal play videophone.
Other side according to an embodiment of the present invention, a kind of mixed screen system provided, comprising:
Transmit-Receive Unit, for receiving the mixed screen instruction message of IPTV client transmission, this, which is mixed in screen instruction message, includes
The user identity information of set-top box where the address of IPTV server and the IPTV client;And by new content Streaming Media
It is sent to the IPTV client;
Program media stream acquisition unit, for according to machine where the address of the IPTV server and the IPTV client
The user identity information of top box indicates the IPTV server by the program media stream of user IPTV program being played on
Change is sent to the mixed screen system, and receives the program media stream that the IPTV server is sent;
Communication medium stream processing unit, the visual telephone service of the user for receiving the transmission of visual telephone service device
Communication medium stream;
Mixed screen processing unit, communication medium stream and program media stream for receiving communication medium stream processing unit are adopted
It is a new content Streaming Media that the program media stream that collection unit receives, which carries out hybrid coding, and is sent out by the Transmit-Receive Unit
The IPTV client is given, so that the IPTV client plays the content Streaming Media, the IPTV in a manner of picture-in-picture
Client terminal playing picture includes the broadcasting pictures of IPTV program and the communication picture of videophone.
In another embodiment based on the above-mentioned mixed screen system of the present invention, the mixed screen processing unit, specifically according to default
Picture-in-picture size and location, the communication medium stream received with communication medium stream processing unit replace program media stream acquisition
In the program media stream that unit receives after the program media stream of corresponding position, obtained mixed-media stream is encoded, is obtained
To new content Streaming Media.
It also accordingly include institute in the mixed screen instruction message in another embodiment based on the above-mentioned mixed screen system of the present invention
State the size and/or location information of picture-in-picture;
The mixed screen processing unit, specifically according to the size and/or location information of picture-in-picture in the mixed screen instruction message,
The communication medium stream received with communication medium stream processing unit replaces the program matchmaker that program media stream acquisition unit receives
In body stream after the program media stream of corresponding position, obtained mixed-media stream is encoded, obtains new content Streaming Media.
Another aspect according to an embodiment of the present invention, a kind of system of IPTV fusion visual telephone service provided, packet
It includes:
Videophone client, for receive to video phone call carry out picture-in-picture response instruction when, Xiang Ke
Phonovision server sends forwarding media stream notification message, to notify communication matchmaker of the visual telephone service device by visual telephone service
Body stream is sent to mixed screen system, and sends mixed screen request message to associated IPTV client, and the forwarding media stream notice disappears
It include the address information of the mixed screen system in breath;
IPTV client, for sending mixed screen instruction message to the mixed screen system, this, which is mixed in screen instruction message, includes
The user identity information of set-top box where the address of IPTV server and the IPTV client;And it is played in a manner of picture-in-picture
The content Streaming Media that mixed screen system is sent, the IPTV client broadcasting pictures include the broadcasting pictures and visually electricity of IPTV program
The communication picture of words;
Mixed screen system, for the user according to set-top box where the address of the IPTV server and the IPTV client
Identification information indicates that the program media stream change of user IPTV program being played on is sent to by the IPTV server
The mixed screen system;Receive the communication medium stream that the visual telephone service device is sent and the program that the IPTV server is sent
Media Stream;And it is a new content Streaming Media that the communication medium stream and program media stream that receive, which are carried out hybrid coding,
And it is sent to the IPTV client.
In another embodiment of system based on the above-mentioned IPTV fusion visual telephone service of the present invention, further includes:
Visual telephone service device, for providing visual telephone service;In the matchmaker for receiving the transmission of videophone client
Body circulation send out public notice message when, be sent to the mixed screen system to by the circulation of the communication medium of user's visual telephone service;
IPTV server, for providing IPTV service;And the instruction according to the mixed screen system, by the user
The program media stream change of the IPTV program of broadcasting is sent to the mixed screen system.
Mixed screen system described in the system of IPTV fusion visual telephone service specifically includes to be mixed described in any of the above-described embodiment
Screen system.
Method and system, mixed screen system based on the IPTV fusion visual telephone service that the above embodiment of the present invention provides,
It has increased a mixed screen system newly, the program media stream for the IPTV program that user is watching and the real-time of videophone can have been led to
Letter Media Stream becomes the content media stream comprising media play and videophone after recompiling, only need an end thus
End (that is: IPTV set top box) decoding plays a Media Stream can realize the function of IPTV and videophone simultaneously, develop
A kind of Novel multimedia television services realize merging for IPTV and visual telephone service.Compared with the existing technology to terminal
Requirement it is low;It is low to chip processing capabilities requirement due to only needing one Media Stream of decoding, meet the terminal requirements now netted, and
Code stream is reduced, existing net bandwidth requirement is met.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
The attached drawing for constituting part of specification describes the embodiment of the present invention, and together with description for explaining
The principle of the present invention.
The present invention can be more clearly understood according to following detailed description referring to attached drawing, in which:
Fig. 1 is the flow chart of method one embodiment that IPTV of the present invention merges visual telephone service.
Fig. 2 is the flow chart that IPTV of the present invention merges another embodiment of the method for visual telephone service.
Fig. 3 is the structural schematic diagram of the mixed screen system one embodiment of the present invention.
Fig. 4 is the structural schematic diagram of system one embodiment that IPTV of the present invention merges visual telephone service.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not according to reality
Proportionate relationship draw.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Fig. 1 is the flow chart of method one embodiment that IPTV of the present invention merges visual telephone service.As shown in Figure 1, should
Embodiment IPTV fusion visual telephone service method include:
110, the instruction of picture-in-picture response is carried out to video phone call in response to receiving, videophone client is to can
Phonovision server sends forwarding media stream notification message, to notify visual telephone service device by the videophone client process
The communication medium stream of visual telephone service be sent to mixed screen system, and send mixed screen request to associated IPTV client and disappear
Breath.
It include the address information of mixed screen system in forwarding media stream notification message therein.Illustratively, screen system is mixed
Address information can be set in advance in videophone client.
The IPTV client of videophone client associate may is that and videophone client in an embodiment of the present invention
Hold the mailing address that IPTV client is stored in IPTV client or videophone client that communication connection has been established
IPTV client.
120, IPTV client sends mixed screen instruction message to mixed screen system, includes IPTV service in the mixed screen instruction message
The user identity information of set-top box where the address of device and IPTV client.
One set-top box users of user identifier unique identification therein, such as can be Customs Assigned Number, set-top box number etc..
Illustratively, the address information of mixed screen system can be set in IPTV client in advance;Alternatively, by videophone
Client is sent to IPTV client by the address information that mixed screen request message carries mixed screen system.
130, mix screen system according to the user identity information of set-top box where the address of IPTV server and IPTV client,
Indicate that the program media stream change of user IPTV program being played on is sent to the mixed screen system by IPTV server.
140, it mixes screen system and receives the communication medium stream that visual telephone service device is sent and the program that IPTV server is sent
Media Stream.
150, mixing screen system and the communication medium stream and program media stream that receive are carried out hybrid coding is in one new
Hold Streaming Media, and is sent to IPTV client.
160, IPTV client broadcasting content Streaming Media in a manner of picture-in-picture, wherein IPTV client broadcasting pictures include
The broadcasting pictures of IPTV program and the communication picture of videophone.
Method based on the IPTV fusion visual telephone service that the above embodiment of the present invention provides, videophone client can
With after receiving user to the instruction of video phone call progress picture-in-picture response, notice visual telephone service device will visual electricity
The communication medium stream of call business is sent to mixed screen system, and sends mixed screen request message to associated IPTV client, by IPTV
Client sends mixed screen instruction message to mixed screen system, mixes screen system according to where the address of IPTV server and IPTV client
The user identity information of set-top box, instruction IPTV server more send the program media stream of user's IPTV program being played on elsewhere
It send to mixed screen system;Mixed screen system receives the communication medium stream that visual telephone service device is sent and the program that IPTV server is sent
Media Stream is simultaneously mixed and is encoded to a new content Streaming Media and is sent to IPTV client, to realize the broadcasting of picture-in-picture
Function.The embodiment of the present invention only needs terminal (that is: an IPTV set top box) decoding to play a Media Stream can be real simultaneously
The function of existing IPTV and videophone, have developed a kind of Novel multimedia television services, realize IPTV and videophone industry
The fusion of business.It is low to the requirement of terminal compared with the existing technology;Due to only needing one Media Stream of decoding, chip processing capabilities are wanted
It asks low, meets the terminal requirements now netted, and reduce code stream, meet existing net bandwidth requirement.
Fig. 2 is the flow chart that IPTV of the present invention merges another embodiment of the method for visual telephone service.As shown in Fig. 2,
The embodiment IPTV fusion visual telephone service method include:
210, IPTV client is playing the program media stream of IPTV program, which is sent out by IPTV server
It send.
220, videophone client receives video phone call, user by key in videophone client or
Function menu selection starting picture-in-picture function carries out response or user and is exhaled by videophone client initiation videophone
It is and passes through the key in videophone client or function menu selection starting picture-in-picture function.
230, videophone client sends forwarding media stream notice to visual telephone service device (such as sip server) and disappears
Breath, to notify visual telephone service device to send the communication medium stream of the visual telephone service of the videophone client process to
Screen system is mixed, includes the address information of mixed screen system in forwarding media stream notification message therein;And to associated IPTV client
End sends mixed screen request message.
240, IPTV client sends mixed screen instruction message to mixed screen system, indicates that mixed screen system is needed to the IPTV client
The IPTV service carried out on end carries out mixed screen, includes providing the IPTV server of IPTV service service in the mixed screen instruction message
The user identity information of set-top box where address and IPTV client.
One set-top box users of user identifier unique identification therein, such as can be Customs Assigned Number, set-top box number etc..
Illustratively, the address information of mixed screen system can be set in IPTV client in advance;Alternatively, by videophone
Client is sent to IPTV client by the address information that mixed screen request message carries mixed screen system.
250, mix screen system according to the user identity information of set-top box where the address of IPTV server and IPTV client,
Indicate that the program media stream change of user IPTV program being played on is sent to the mixed screen system by IPTV server.
260, visual telephone service device sends out the communication medium stream of the visual telephone service of the videophone client process
It is sent to mixed screen system, the program media stream change of user IPTV program being played on is also sent to this and mixed by IPTV server
Screen system.
270, what the real time communications mediums stream and IPTV server for mixing screen system reception visual telephone service device transmission were sent
Program media stream, and it is a new content Streaming Media that the communication medium stream and program media stream that receive, which are carried out hybrid coding,
It is sent to IPTV client.
280, IPTV client decoding plays the content Streaming Media received, realizes picture-in-picture function, it may be assumed that IPTV client
Broadcasting pictures include the broadcasting pictures of IPTV program and the communication picture of videophone.
In a specific example of the embodiment of the method for the above-mentioned IPTV fusion visual telephone service of the present invention, operation 150
In 280, mixing screen system and the communication medium stream and program media stream that receive are carried out hybrid coding is a new content stream
When media, specifically section can be replaced or covered with the communication medium stream received according to preset picture-in-picture size and location
In mesh Media Stream after the program media stream of corresponding position, obtained mixed-media stream is encoded, obtains new content stream matchmaker
Body.
In another specific example, when user selects starting picture-in-picture function, videophone client can also be passed through
Size and/or the position of picture-in-picture are selected, for example, picture-in-picture is specific location much, in IPTV client view screen
(such as upper left corner, the upper right corner, the lower left corner, the lower right corner, placed in the middle etc.), videophone client is carried by mixed screen request message should
The size and/or location information of picture-in-picture, IPTV client is by mixed instruction message of shielding by the size of the picture-in-picture and/or position
Information is sent to mixed screen system.Correspondingly, in operation 150 and 280, screen system is mixed by the communication medium stream received and program matchmaker
Body stream carries out hybrid coding when being a new content Streaming Media, the specifically size according to the picture-in-picture received and/or position
Information is replaced in program media stream after the program media stream of corresponding position with the communication medium stream received, mixed to what is obtained
It closes Media Stream to be encoded, obtains new content Streaming Media.
In another embodiment of method based on the above-mentioned IPTV fusion visual telephone service of the present invention, visual telephone service
After, visual telephone service device can send the notification message that visual telephone service terminates to mixed screen system;Mixed screen system refers to
Show that the program media stream recovery of user IPTV program being played on is sent to where IPTV client by IPTV server
Set-top box;Alternatively, instruction IPTV server will when mixed screen system can't detect the communication medium stream of visual telephone service device transmission
The program media stream of user IPTV program being played on is restored to be sent to the set-top box where IPTV client.
In the further embodiment based on another above-mentioned embodiment, IPTV server receives what mixed screen system was sent
After the program media stream recovery of the user to be sent to the instruction of the set-top box where IPTV client, it can continue user just
It is sent to mixed screen system in the program media stream of the IPTV program of broadcasting, the section for directly IPTV server being sent by mixing screen system
Mesh media stream to IPTV client without carry out hybrid coding, by the IPTV client normal play IPTV program.This
When, it is complete in IPTV client since the program media stream of IPTV program is not covered by the communication medium stream of visual telephone service
Screen plays the IPTV program.
In addition, IPTV server can also restore hair receiving the program media stream by the user that mixed screen system is sent
It send to the instruction of the set-top box where IPTV client, the program media stream of user's IPTV program being played on is restored into hair
It send to IPTV client, by the IPTV client normal play IPTV program.It should at this point, restoring played in full screen in IPTV client
IPTV program.
In the further embodiment of method based on the above-mentioned IPTV fusion visual telephone service of the present invention, IPTV service terminates
Afterwards, IPTV server can send the notification message that IPTV service terminates to mixed screen system;Mixed screen system instruction videophone clothes
The communication medium stream recovery of visual telephone service is sent to videophone client by business device;Alternatively, mixed screen system is detecting not
To IPTV program program media stream when, the communication medium stream of visual telephone service is restored to send by instruction visual telephone service device
To videophone client.
In the further embodiment based on above-mentioned further embodiment, visual telephone service device receives mixed screen system hair
After that send is sent to the instruction of videophone client for the communication medium stream recovery of user's visual telephone service, it can continue
The communication medium stream of the visual telephone service is sent to mixed screen system;Directly visual telephone service device is sent by mixed screen system
Communication medium stream be sent to IPTV client without carry out hybrid coding;By IPTV client normal play videophone
Communicate picture.At this point, can also can only be existed with played in full screen video communication picture in IPTV client.
In addition, visual telephone service device can also receive that mixed screen system sends for user's visual telephone service
After the recovery of communication medium stream is sent to the instruction of videophone client, the communication medium stream of visual telephone service is restored to send
To videophone client, by the communication picture of videophone client normal play videophone.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed;And storage medium above-mentioned includes: ROM, RAM, magnetic disk or light
The various media that can store program code such as disk.
Fig. 3 is the structural schematic diagram of the mixed screen system one embodiment of the present invention.The mixed screen system of the embodiment can be used for reality
The corresponding function of screen system is mixed in the existing above-mentioned each method embodiment of the present invention.As shown in figure 3, the mixed screen system of the embodiment includes
Transmit-Receive Unit, program media stream acquisition unit, communication medium stream processing unit and mixed screen processing unit.Wherein:
Transmit-Receive Unit, for receiving the mixed screen instruction message of IPTV client transmission, this, which is mixed in screen instruction message, includes
The user identity information of set-top box where the address of IPTV server and IPTV client;And new content Streaming Media is sent
To IPTV client.
Program media stream acquisition unit, for according to the address of IPTV server and IPTV client in mixed screen instruction message
The user identity information of place set-top box indicates IPTV server by the program media stream of user IPTV program being played on
Change is sent to mixed screen system, and receives the program media stream of IPTV server transmission.
Communication medium stream processing unit, the visual telephone service of the user for receiving the transmission of visual telephone service device
Communication medium stream.
Mixed screen processing unit, communication medium stream and program media stream for receiving communication medium stream processing unit are adopted
It is a new content Streaming Media that the program media stream that collection unit receives, which carries out hybrid coding, and is sent to by Transmit-Receive Unit
IPTV client, so that broadcasting content Streaming Media, IPTV client broadcasting pictures include IPTV client in a manner of picture-in-picture
The broadcasting pictures of IPTV program and the communication picture of videophone.
Based on the mixed screen system that the above embodiment of the present invention provides, user can be obtained from instruction IPTV server and broadcast
The program media stream for the IPTV program put, and communication medium stream and the IPTV server transmission that visual telephone service device is sent
Program media stream hybrid coding is that a new content Streaming Media is sent to IPTV client, to realize the broadcasting function of picture-in-picture
Energy.The embodiment of the present invention, which only needs terminal (that is: an IPTV set top box) decoding to play a Media Stream, to be realized simultaneously
The function of IPTV and videophone have developed a kind of Novel multimedia television services, realize IPTV and visual telephone service
Fusion.It is low to the requirement of terminal compared with the existing technology;Due to only needing one Media Stream of decoding, to chip processing capabilities requirement
It is low, meet the terminal requirements now netted, and reduce code stream, meets existing net bandwidth requirement.
A specific example rather than limitation based on the mixed screen system embodiment of the present invention, mixed screen processing unit are specifically used for pressing
According to preset picture-in-picture size and location, the communication medium stream received with communication medium stream processing unit replaces program media
In the program media stream that stream acquisition unit receives after the program media stream of corresponding position, obtained mixed-media stream is compiled
Code, obtains new content Streaming Media.
Another specific example of screen system embodiment is mixed based on the present invention rather than is limited, and further includes in mixed screen instruction message
The size and/or location information of picture-in-picture.Correspondingly, mix screen processing unit specifically according in mixed screen instruction message picture-in-picture it is big
Small and/or location information, it is single that the communication medium stream received with communication medium stream processing unit replaces program media stream acquisition
In the program media stream that member receives after the program media stream of corresponding position, obtained mixed-media stream is encoded, is obtained
New content Streaming Media.
Fig. 4 is the structural schematic diagram of system one embodiment that IPTV of the present invention merges visual telephone service.The IPTV melts
The system for closing visual telephone service can be used for realizing the process of the above-mentioned each method embodiment of the present invention.As shown in figure 4, the embodiment
System include videophone client, IPTV client and mixed screen system.Wherein:
Videophone client, for receive to video phone call carry out picture-in-picture response instruction when, Xiang Ke
Phonovision server sends forwarding media stream notification message, to notify visual telephone service device by user's visual telephone service
Communication medium stream is sent to mixed screen system, and sends mixed screen request message, media circulation therein to associated IPTV client
It include the address information of mixed screen system in message of sending out public notice.
IPTV client, coupling are set in the STB terminal of IPTV service, are referred to for sending mixed screen to mixed screen system
Show message, includes address and the user identifier letter of IPTV client place set-top box of IPTV server in the mixed screen instruction message
Breath;And the content Streaming Media that mixed screen system is sent is played in a manner of picture-in-picture, IPTV client broadcasting pictures include IPTV section
The communication picture of purpose broadcasting pictures and videophone.
Mixed screen system, for being believed according to the user identifier of set-top box where the address of IPTV server and IPTV client
The program media stream change of user IPTV program being played on is sent to mixed screen system by breath, instruction IPTV server;It connects
Receive the communication medium stream that visual telephone service device is sent and the program media stream that IPTV server is sent;And it is logical by what is received
Believing that Media Stream and program media stream carry out hybrid coding is a new content Streaming Media, and is sent to IPTV client.
System based on the IPTV fusion visual telephone service that the above embodiment of the present invention provides, increases a mixed screen system newly
System, videophone client can be after receiving user to the instruction of video phone call progress picture-in-picture response, and notice can
The communication medium stream of visual telephone service is sent mixed screen system by phonovision server, and sends to associated IPTV client
Mixed screen request message sends mixed screen instruction message from IPTV client to mixed screen system, mixes screen system according to IPTV server
The user identity information of set-top box where address and IPTV client, instruction IPTV server save user IPTV being played on
The change of purpose program media stream is sent to mixed screen system;Mixed screen system receive the communication medium stream that visual telephone service device is sent and
Program media stream that IPTV server is sent simultaneously is mixed and is encoded to a new content Streaming Media and is sent to IPTV client,
To realize the playing function of picture-in-picture.The embodiment of the present invention only needs terminal (that is: an IPTV set top box) decoding to play one
A Media Stream can realize the function of IPTV and videophone simultaneously, have developed a kind of Novel multimedia television services, real
Merging for IPTV and visual telephone service is showed.It is low to the requirement of terminal compared with the existing technology;Due to only needing one matchmaker of decoding
Body stream requires chip processing capabilities the terminal requirements low, satisfaction is now netted, and reduces code stream, meets existing net bandwidth requirement.
Illustratively, mixing screen system can specifically realize through but not limited to the structure for mixing screen system embodiment shown in Fig. 3.
Further, referring back to Fig. 4, in another embodiment of the system of IPTV of the present invention fusion visual telephone service,
It further include visual telephone service device and IPTV server.Wherein:
Visual telephone service device, for providing visual telephone service;And in the matchmaker for receiving the transmission of videophone client
Body circulation send out public notice message when, be sent to mixed screen system to by the circulation of the communication medium of user's visual telephone service.
IPTV server, for providing IPTV service;And the instruction according to mixed screen system, user is being played on
The program media stream change of IPTV program is sent to mixed screen system.
The embodiment of the present invention is suitable for a kind of wisdom family new business scene, realizes that progress can simultaneously in IPTV service
Phonovision business.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with its
The difference of its embodiment, the same or similar part cross-reference between each embodiment.System of the invention is real
It is substantially corresponding with embodiment of the method to apply example, so being described relatively simple, referring to the part explanation of embodiment of the method in place of correlation
?.
Method of the invention, system may be achieved in many ways.For example, software, hardware, firmware or soft can be passed through
Part, hardware, firmware any combination realize method and system of the invention.The said sequence of the step of for the method is only
It is to be illustrated, the step of method of the invention is not limited to sequence described in detail above, unless otherwise especially
Explanation.In addition, in some embodiments, also the present invention can be embodied as to record program in the recording medium, these program bags
It includes for realizing machine readable instructions according to the method for the present invention.Thus, the present invention also covers storage for executing according to this
The recording medium of the program of the method for invention.
Description of the invention is given for the purpose of illustration and description, and is not exhaustively or will be of the invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage
The solution present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (16)
1. a kind of method of IPTV fusion visual telephone service characterized by comprising
The instruction of picture-in-picture response is carried out to video phone call in response to receiving, videophone client takes to videophone
Business device sends forwarding media stream notification message, to notify visual telephone service device to send the communication medium stream of visual telephone service
Mixed screen request message is sent to mixed screen system, and to associated IPTV client, includes in the forwarding media stream notification message
The address information of the mixed screen system, wherein the address information of the mixed screen system is set in videophone client in advance;
The IPTV client sends mixed screen instruction message to the mixed screen system, includes IPTV service in the mixed screen instruction message
The user identity information of set-top box where the address of device and the IPTV client;
The mixed screen system is according to the user identifier of set-top box where the address of the IPTV server and the IPTV client
It is described to indicate that the program media stream change of user IPTV program being played on is sent to by the IPTV server for information
Mixed screen system;
The mixed screen system receives the communication medium stream that the visual telephone service device is sent and the IPTV server sends
Program media stream;
It is a new content stream that the communication medium stream and program media stream that receive are carried out hybrid coding by the mixed screen system
Media, and it is sent to the IPTV client;
IPTV client plays the content Streaming Media in a manner of picture-in-picture, and the IPTV client broadcasting pictures include IPTV section
The communication picture of purpose broadcasting pictures and videophone.
2. the method according to claim 1, wherein communication medium stream and section that the mixed screen system will receive
It is that a new content Streaming Media includes: that mesh Media Stream, which carries out hybrid coding,
The mixed screen system replaces the program according to preset picture-in-picture size and location, with the communication medium stream received
In Media Stream after the program media stream of corresponding position, obtained mixed-media stream is encoded, obtains new content Streaming Media.
3. the method according to claim 1, wherein can described in further including in the forwarding media stream notification message
The size and/or location information for the picture-in-picture that phonovision client receives;Correspondingly, the mixed screen request message is mixed with described
Shield in instruction message also accordingly including the size and/or location information of the picture-in-picture;
It is a new content stream that the communication medium stream and program media stream that receive are carried out hybrid coding by the mixed screen system
Media include:
The mixed screen system is replaced according to the size and/or location information of the picture-in-picture with the communication medium stream received
In the program media stream after the program media stream of corresponding position, obtained mixed-media stream is encoded, is obtained new interior
Hold Streaming Media.
4. according to claim 1 to method described in 3 any one, which is characterized in that further include: in advance in IPTV client
The address information of the mixed screen system is set;Or the address letter of the mixed screen system is carried in the mixed screen request message
Breath.
5. according to claim 1 to method described in 3 any one, which is characterized in that further include:
After visual telephone service, visual telephone service device sends the notice that visual telephone service terminates to the mixed screen system
Message;The mixed screen system indicates that the IPTV server is extensive by the program media stream of user IPTV program being played on
The set-top box being sent to where the IPTV client again;Or
When the mixed screen system can't detect the communication medium stream that the visual telephone service device is sent, the IPTV service is indicated
The program media stream recovery of user IPTV program being played on is sent to the machine top where the IPTV client by device
Box.
6. according to the method described in claim 5, it is characterized by further comprising:
The IPTV server continues the program media stream of user IPTV program being played on being sent to the mixed screen
System;
The program media stream that the IPTV server is sent directly is sent to the IPTV client by the mixed screen system;
The IPTV client normal play IPTV program.
7. according to the method described in claim 5, it is characterized by further comprising:
The program media stream recovery of user IPTV program being played on is sent to the IPTV by the IPTV server
Client;
The IPTV client normal play IPTV program.
8. according to claim 1 to method described in 3 any one, which is characterized in that further include:
After IPTV service, IPTV server sends the notification message that IPTV service terminates to the mixed screen system;It is described mixed
It is described visual that screen system indicates that the communication medium stream recovery of the visual telephone service is sent to by the visual telephone service device
Calling customer terminal;Or
When the mixed screen system can't detect the program media stream of the IPTV program, indicate the visual telephone service device by institute
The communication medium stream recovery for stating visual telephone service is sent to the videophone client.
9. according to the method described in claim 8, it is characterized by further comprising:
The visual telephone service device continues the communication medium stream of the visual telephone service being sent to the mixed screen system;
The communication medium stream that the visual telephone service device is sent directly is sent to the IPTV client by the mixed screen system;
The communication picture of the IPTV client normal play videophone.
10. according to the method described in claim 8, it is characterized by further comprising:
The communication medium stream recovery of the visual telephone service is sent to the videophone visitor by the visual telephone service device
Family end;
The communication picture of the videophone client normal play videophone.
11. a kind of mixed screen system characterized by comprising
Transmit-Receive Unit includes that IPTV takes in the mixed screen instruction message for receiving the mixed screen instruction message of IPTV client transmission
The user identity information of set-top box where the address of business device and the IPTV client;And new content Streaming Media is sent to
The IPTV client;
Program media stream acquisition unit, for according to set-top box where the address of the IPTV server and the IPTV client
User identity information, indicate that the IPTV server changes the program media stream of user IPTV program being played on
It is sent to the mixed screen system, and receives the program media stream that the IPTV server is sent;
Communication medium stream processing unit, the visual telephone service of the user for receiving the transmission of visual telephone service device lead to
Believe Media Stream;
Mixed screen processing unit, the communication medium stream and program media stream acquisition for receiving communication medium stream processing unit are single
It is a new content Streaming Media that the program media stream that member receives, which carries out hybrid coding, and is sent to by the Transmit-Receive Unit
The IPTV client, so that the IPTV client plays the content Streaming Media, the IPTV client in a manner of picture-in-picture
Holding broadcasting pictures includes the broadcasting pictures of IPTV program and the communication picture of videophone.
12. system according to claim 11, which is characterized in that the mixed screen processing unit, specifically according to preset picture
Middle picture size and location, the communication medium stream received with communication medium stream processing unit replace program media stream acquisition unit
In the program media stream received after the program media stream of corresponding position, obtained mixed-media stream is encoded, is obtained new
Content Streaming Media.
13. system according to claim 11, which is characterized in that also accordingly include the picture in the mixed screen instruction message
The size and/or location information of middle picture;
The mixed screen processing unit, specifically according to the size and/or location information of picture-in-picture in the mixed screen instruction message, with logical
The communication medium stream that letter media flow processing unit receives replaces the program media stream that program media stream acquisition unit receives
After the program media stream of middle corresponding position, obtained mixed-media stream is encoded, obtains new content Streaming Media.
14. a kind of system of IPTV fusion visual telephone service characterized by comprising
Videophone client, for receive to video phone call carry out picture-in-picture response instruction when, to visual electricity
It talks about server and sends forwarding media stream notification message, to notify communication medium stream of the visual telephone service device by visual telephone service
It is sent to mixed screen system, and is sent to associated IPTV client and mixes screen request message, in the forwarding media stream notification message
Address information including the mixed screen system, wherein the address of the mixed screen system is set in videophone client in advance
Information;
IPTV client includes that IPTV takes in the mixed screen instruction message for sending mixed screen instruction message to the mixed screen system
The user identity information of set-top box where the address of business device and the IPTV client;And mixed screen system is played in a manner of picture-in-picture
The content Streaming Media that system is sent, the IPTV client broadcasting pictures include the broadcasting pictures of IPTV program and leading to for videophone
Believe picture;
Mixed screen system, for the user identifier according to set-top box where the address of the IPTV server and the IPTV client
It is described to indicate that the program media stream change of user IPTV program being played on is sent to by the IPTV server for information
Mixed screen system;Receive the communication medium stream that the visual telephone service device is sent and the program media that the IPTV server is sent
Stream;And it is a new content Streaming Media that the communication medium stream and program media stream that receive, which are carried out hybrid coding, concurrently
Give the IPTV client.
15. system according to claim 14, which is characterized in that further include:
Visual telephone service device, for providing visual telephone service;In the Media Stream for receiving the transmission of videophone client
When forwarding notification message, the mixed screen system is sent to by the communication medium circulation of user's visual telephone service;
IPTV server, for providing IPTV service;And the instruction according to the mixed screen system, the user is playing
IPTV program program media stream change be sent to the mixed screen system.
16. system according to claim 14 or 15, which is characterized in that the mixed screen system specifically includes claim 11
To mixed screen system described in 13 any one.
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