CN103841462B - Top box of digital machine multi-screen plays the method and device of program - Google Patents
Top box of digital machine multi-screen plays the method and device of program Download PDFInfo
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- CN103841462B CN103841462B CN201310642608.XA CN201310642608A CN103841462B CN 103841462 B CN103841462 B CN 103841462B CN 201310642608 A CN201310642608 A CN 201310642608A CN 103841462 B CN103841462 B CN 103841462B
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Abstract
The present invention is applied to set-top box technique field, there is provided a kind of method that top box of digital machine multi-screen plays program, including：The data flow of the audio, video data comprising N number of program is received, N is the integer more than 1；The request of multiple terminal devices is received, multiple terminal devices request plays M in N number of program, and M is the integer more than or equal to 1 and less than or equal to N；Data stream is decoded according to the request of multiple terminal devices, the audio, video data of M program is separated from data flow；The audio, video data separated is sent into multiple terminal devices corresponding terminal device, for playing.In the present invention, the audio, video data of M program is isolated from the data flow of the audio, video data comprising N number of program according to the request of multiple terminal devices, and the corresponding terminal device into the multiple terminal device is sent, realize a top box of digital machine and support multiple terminal devices while play different programs.
Description
Technical field
The invention belongs to set-top box technique field, more particularly to top box of digital machine multi-screen to play the method and dress of program
Put.
Background technology
With the development of intelligent terminal technology, intelligent terminal, such as mobile phone, tablet personal computer, intelligent television, into
The instrument of indispensable communications and entertainment in being lived for people.In common family, every kinsfolk may possess oneself
Intelligent terminal, possess the condition of constructing local network.
And for current top box of digital machine technology, top box of digital machine receives the data flow of a frequency, in the data flow
Voice ＆ Video data comprising multiple programs, and the Voice ＆ Video data hair of a program is only parsed from the data flow
Deliver to terminal device to play out, the data of other programs then abandon.So, even if there is multiple terminal devices to be connected to the numeral
Set top box, it can only also play identical program, it is difficult to meet that the user of multiple terminal devices watches multiple differences in the same time
The demand of program.If the user desired that different programs can be watched on different terminal devices in the same time, then need
Buy multiple top box of digital machines and for each top box of digital machine pay per view, can so cause consumer cost to increase, teaching machine
The utilization rate of top box is not high, causes the wasting of resources.
The content of the invention
It is an object of the invention to provide a kind of method that top box of digital machine multi-screen plays program, it is intended to solves existing skill
A problem of top box of digital machine supports multiple terminal devices to play different programs simultaneously can not be used only in art.
The present invention is achieved in that a kind of method that top box of digital machine multi-screen plays program, including：
The data flow of the audio, video data comprising N number of program is received, the N is the integer more than 1；
The request of multiple terminal devices is received, the multiple premises equipment requests play M in N number of program, institute
It is the integer more than or equal to 1 and less than or equal to N to state M；
The data flow is decoded according to the request of the multiple terminal device, by the audio frequency and video of the M program
Data are separated from the data flow；
The audio, video data separated is sent into the multiple terminal device corresponding terminal device, for broadcasting
Put.
Another object of the present invention is to provide a kind of top box of digital machine multi-screen to play section destination device, including：
First receiving unit, for receiving the data flow of the audio, video data comprising N number of program, the N is whole more than 1
Number；
Second receiving unit, for receiving the request of multiple terminal devices, the multiple premises equipment requests play the N
M in individual program, the M is the integer more than or equal to 1 and less than or equal to N；
Decoding unit, the data flow is decoded for the request according to the multiple terminal device, by the M
The audio, video data of program is separated from the data flow；
Transmitting element, for the audio, video data separated to be sent into the multiple terminal device into corresponding terminal
Equipment, for playing.
In the present invention, according to the request of multiple terminal devices from the data flow of the audio, video data comprising N number of program
The audio, video data of M program is isolated, N is the integer more than 1, and M is the integer more than or equal to 1 and less than or equal to N, will be divided
Separate out the audio, video data come and send into the multiple terminal device corresponding terminal device, for playing, realize one
Top box of digital machine supports multiple terminal devices to play different programs simultaneously, improves the utilization rate of top box of digital machine.
Brief description of the drawings
Fig. 1 is the system that the top box of digital machine multi-screen that the embodiment of the present invention one provides plays program；
Fig. 2 be the embodiment of the present invention one provide top box of digital machine multi-screen play program method interaction in terminal
The schematic flow sheet of equipment；
Fig. 3 be the embodiment of the present invention one provide top box of digital machine multi-screen play program method interaction in numeral
The schematic flow sheet of set top box；
Fig. 4 is the implementation process figure for the method that the top box of digital machine multi-screen that the embodiment of the present invention two provides plays program；
Fig. 5 is the specific of the method and step S402 that the top box of digital machine multi-screen that the embodiment of the present invention two provides plays program
Implementation process figure；
Fig. 6 is the specific of the method and step S404 that the top box of digital machine multi-screen that the embodiment of the present invention two provides plays program
Implementation process figure；
Fig. 7 is the structured flowchart that the top box of digital machine multi-screen that the embodiment of the present invention three provides plays section destination device.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
In embodiments of the present invention, according to the request of multiple terminal devices from the number of the audio, video data comprising N number of program
According to the audio, video data that M program is isolated in stream, N is the integer more than 1, and M is more than or equal to 1 and whole less than or equal to N
Number, corresponding terminal device is sent into the multiple terminal device by the audio, video data separated, and for playing, is realized
One top box of digital machine supports multiple terminal devices to play different programs simultaneously, improves the utilization rate of top box of digital machine.
Fig. 1 shows the system that the top box of digital machine multi-screen that the embodiment of the present invention one provides plays program, for the ease of
Illustrate, part related to the present embodiment is only shown.
As shown in figure 1, the system includes：Top box of digital machine, the network equipment and multiple terminal devices.
The network equipment can be router and interchanger etc., top box of digital machine and multiple terminal devices are connected to same
In cable network or wireless network, environment is provided for building network.In order to send data simultaneously to multiple terminal devices,
The transmission speed of whole network should be in more than 100Mbps.
A tuner module is comprised at least in top box of digital machine, for receiving the number of the audio, video data comprising N number of program
According to stream, N is the integer more than 1；Then data stream is decoded according to the request of terminal device, by the audio frequency and video of M program
Data are separated from the data flow, and M is the integer more than or equal to 1 and less than or equal to N；The audio frequency and video that will be separated
Data are sent to corresponding terminal device.
Terminal device includes but is not limited to mobile phone, tablet personal computer and intelligent television etc., and teaching machine is received by the network equipment
After the audio, video data that top box is sent, the application program provided by top box of digital machine producer plays the audio, video data.For
High resolution audio and video data can be received glibly, the speed of mixed-media network modules mixed-media should be in more than 54Mbps in terminal device.
Specifically, the interaction between top box of digital machine and terminal device, flow such as Fig. 2 institutes of terminal device side
Show, the flow of top box of digital machine side is as shown in figure 3, specific as follows：
Terminal device in a network automatically search for top box of digital machine, by shortcut or check system information selection numeral
Internet protocol corresponding to set top box（Internet Protocol, IP）Address is attached, and is connected with the data set top box of selection
After connecing, to its request program list.For the consideration of safety factor, connection password can be set in top box of digital machine, terminal is set
The user of standby side can just be successfully connected to top box of digital machine after inputting proper password.
After top box of digital machine starts, constantly detect whether that terminal device is attached thereto, after terminal device connects, Xiang Qi
The rendition list that can be played is fed back, user selects program, the section that terminal device will be chosen on the display screen of terminal device
Mesh numbering is sent to top box of digital machine, and the data flow that top box of digital machine receives according to program code to tuner modules decodes,
The audio, video data for choosing program is separated, is then sent to terminal device broadcasting.When multiple terminal devices are simultaneously to same
When one top box of digital machine sends request, if selection is different programs, each program is decoded respectively, according to
Request is sent to corresponding terminal device；If send some premises equipment requests identicals in the multiple terminal devices of request
Program, then identical program is only done and once decoded, be then sent to these terminal devices, to mitigate top box of digital machine processor
Burden.
Whenever having terminal device to be connected with top box of digital machine, top box of digital machine is counted, if reaching permission most
Big connection number, then no longer receive other terminal device accesses；Connect if the terminal device connected disconnects with top box of digital machine
Connect, counting subtracts 1.
The process of top box of digital machine decoded program is described in detail in subsequent embodiment, will not be repeated here.
Further, terminal device sends the confirmation to the audio, video data of reception by the network equipment to top box of digital machine
Information；Confirmation of the top box of digital machine by network equipment receiving terminal apparatus to audio, video data, due to network signal matter
The reasons such as amount, if the read-around ratio for not receiving confirmation reaches predetermined threshold value, stop sending audio frequency and video number to terminal device
According to.
Fig. 4 shows that the top box of digital machine multi-screen that the embodiment of the present invention two provides plays the realization stream of the method for program
Journey, executive agent are top box of digital machine, and details are as follows：
In step S401, the data flow of the audio, video data comprising N number of program is received, the N is the integer more than 1.
In embodiments of the present invention, top box of digital machine receives the audio, video data for including multiple programs by tuner modules
Stream, now, the data of all programs mix, it is impossible to mutually distinguish.If some program is played, it is necessary to this
Data flow is decoded, and the audio, video data of the program is separated from data flow.If some pairs are included in data flow
Take program, also need to before decoding by being conditionally accessible（Conditional Access, CA）Module is carried out to data stream
Further decoding after descrambling.
In step S402, the request of multiple terminal devices is received, the multiple premises equipment requests play N number of section
M in mesh, the M is the integer more than or equal to 1 and less than or equal to N.
In order to targetedly be decoded to program, mitigate the burden of processor, top box of digital machine receives multiple terminals
The request of equipment, corresponding audio, video data is separated from data flow according to the program of premises equipment requests.
As one embodiment of the present of invention, the process of the request of top box of digital machine receiving terminal apparatus as shown in figure 5,
S402 is specially：
In S501, the rendition list for including N number of program code is issued to the multiple terminal device, so that described
Multiple terminal devices determine program code in described the rendition list respectively.
Terminal device selects program code in the rendition list, and returns to top box of digital machine.Each terminal device selection
Program can be different, can also be identical.
In S502, the request that the multiple terminal device returns respectively is received, is carried in each request
The program code that the terminal device determines.
In embodiments of the present invention, top box of digital machine receives the program code returned, with this to data in subsequent step
Stream is decoded.
In step S403, the data flow is decoded according to the request of the multiple terminal device, by the M
The audio, video data of program is separated from the data flow.
Top box of digital machine possesses from data flow while decodes the ability of multiple programs, and specific quantity is by top box of digital machine
The performance of middle processor determines.In embodiments of the present invention, the program code that top box of digital machine returns according to terminal device is carried out
Decoding.
Further, in the program of multiple terminal devices request, some possible program is identical, in order to avoid
Same repeated program is decoded, a queue to be decoded is safeguarded in top box of digital machine, is stored in the queue to be decoded to be decoded
The program code of program, in the case of multiple terminal devices ask same program, queue to be decoded is only deposited to the program code
Storage is a, and top box of digital machine also only need to be decoded once to the program.
In step s 404, the audio, video data separated is sent into the multiple terminal device corresponding terminal
Equipment, for playing.
Top box of digital machine sends the audio, video data separated to corresponding terminal device.In order to establish program and end
The corresponding relation of end equipment, as one embodiment of the present of invention, as shown in fig. 6, S404 is specially：
In S601, queue is established for each program.
In S602, the mark for the terminal device for asking same program is put into queue corresponding to the program.
In embodiments of the present invention, a data receiving queue is established for each program, storage please in data receiver queue
The mark of the terminal device of the program is sought, the mark of terminal device is its unique IP address for representing, being terminal device.
If asking the terminal device of some program to stop playing the program or disconnected with top box of digital machine, the terminal is set
Standby IP address removes from data receiver queue；If some data receiver queue is sky, represent currently without terminal device
The program is asked, now, corresponding program code in above-mentioned queue to be decoded is deleted.
In S603, the audio, video data according to corresponding to the mark by the program is sent to terminal device.
In embodiments of the present invention, top box of digital machine will solve according to the IP address in the data receiver queue of each program
The audio, video data that code obtains is sent to corresponding terminal device.
After sending audio, video data, in order to confirm whether terminal device receives data, between top box of digital machine and terminal device
By the way of shaking hands.I.e. top box of digital machine receiving terminal apparatus is to the confirmation of audio, video data, the confirmation use
The audio, video data is had been received by characterizing the terminal device.If not receiving confirmation, top box of digital machine is sent out again
Audio, video data is sent, if the read-around ratio for not receiving the confirmation reaches predetermined threshold value, it is believed that the terminal device is
Disconnect, stop sending audio, video data to the terminal device, and current connection number is subtracted 1, hereafter, terminal device needs
Program could be played by again connecting to top box of digital machine.Predetermined threshold value is determined according to factors such as network capacity and transmission qualities
It is fixed, it can preferably be set to 3.
Further, before top box of digital machine sends audio, video data to terminal device, entered according to the parameter of terminal device
Row format is changed, and parameter includes the form for being adapted to terminal device to play Voice ＆ Video, such as AVI, TS, RM, while can also wrap
Include the parameters such as screen size and the resolution ratio of terminal device.Terminal device can send the same of connection request to top box of digital machine
When send above-mentioned parameter.If the parameter of terminal device is more special, data are sent with form immediate with the parameter；Such as
Fruit top box of digital machine can not obtain the parameter, then send data by the form of acquiescence so that play program on the terminal device
Effect tends to preferable.
In embodiments of the present invention, according to the request of multiple terminal devices from the number of the audio, video data comprising N number of program
According to the audio, video data that M program is isolated in stream, N is the integer more than 1, and M is more than or equal to 1 and whole less than or equal to N
Number, corresponding terminal device is sent into the multiple terminal device by the audio, video data separated, and for playing, is realized
One top box of digital machine supports multiple terminal devices to play different programs simultaneously, improves the utilization rate of top box of digital machine.
Fig. 7 shows that the top box of digital machine multi-screen that the embodiment of the present invention three provides plays the structural frames of section destination device
Figure, the method for playing program for performing the top box of digital machine multi-screen described in Fig. 4 and Fig. 6 embodiments of the present invention.For the ease of
Illustrate, illustrate only part related to the present embodiment.
Reference picture 7, the device include：
First receiving unit 71, receives the data flow of the audio, video data comprising N number of program, and N is the integer more than 1.
Second receiving unit 72, receives the request of multiple terminal devices, and multiple terminal devices request is played in N number of program
M, M is the integer more than or equal to 1 and less than or equal to N.
Decoding unit 73, data stream is decoded according to the request of multiple terminal devices, by the audio frequency and video number of M program
Separated according to from data flow.
Transmitting element 74, the audio, video data separated is sent into multiple terminal devices corresponding terminal device,
For playing.
Alternatively, second receiving unit 72 includes：
Subelement is issued, the rendition list for including N number of program code is issued to multiple terminal devices, so that multiple terminals are set
Back-up does not determine program code in the rendition list.
Receiving subelement, the request that multiple terminal devices return respectively is received, the terminal device is carried in each request
The program code determined.
Alternatively, decoding unit 73 is specially：The program code determined according to the multiple terminal device will be corresponding
Audio, video data separated from the data flow.
Alternatively, transmitting element 74 includes：
Subelement is established, queue is established for each program.
Subelement is put into, the mark for the terminal device for asking same program is put into queue corresponding to program.
Transmission sub-unit, the audio, video data according to corresponding to mark by program are sent to terminal device.
Alternatively, described device also includes：
3rd receiving unit, to the confirmation of audio, video data, confirmation is used to characterizing described receiving terminal apparatus
Terminal device has been received by audio, video data.
Stop element, if the read-around ratio for not receiving confirmation reaches predetermined threshold value, stop to the terminal device
Send audio, video data.
In embodiments of the present invention, according to the request of multiple terminal devices from the number of the audio, video data comprising N number of program
According to the audio, video data that M program is isolated in stream, N is the integer more than 1, and M is more than or equal to 1 and whole less than or equal to N
Number, corresponding terminal device is sent into the multiple terminal device by the audio, video data separated, and for playing, is realized
One top box of digital machine supports multiple terminal devices to play different programs simultaneously, improves the utilization rate of top box of digital machine.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (8)
1. a kind of method that top box of digital machine multi-screen plays program, it is characterised in that methods described includes：
The data flow of the audio, video data comprising N number of program is received, the N is the integer more than 1, and the sound of N number of program regards
Frequency evidence mixes；
The rendition list for including N number of program code is issued to multiple terminal devices, so that the multiple terminal device is respectively in institute
State and program code is determined in the rendition list；
The request that the multiple terminal device returns respectively is received, the institute of terminal device determination is carried in each request
Program code is stated, the multiple premises equipment requests play M in N number of program, and the M is more than or equal to 1 and small
In the integer equal to N；
The data flow is decoded according to the request of the multiple terminal device, by the audio, video data of the M program
Separated from the data flow, the program code is stored by queue to be decoded, when multiple terminal devices request is identical
During program, queue to be decoded only stores portion to the program code of the program so that the same program of multiple terminal devices request
Only need to once it be decoded；
The audio, video data separated is sent into the multiple terminal device corresponding terminal device, for playing.
2. the method as described in claim 1, it is characterised in that the request according to the multiple terminal device is to the number
Carrying out decoding according to stream includes：
According to the program code that the multiple terminal device determines by corresponding audio, video data from the data flow point
Separate out and.
3. the method as described in claim 1, it is characterised in that described to send the audio, video data separated to described more
Corresponding terminal device includes in individual terminal device：
Queue is established for each program；
The mark for the terminal device for asking same program is put into queue corresponding to the program；
The audio, video data according to corresponding to the mark by the program is sent to terminal device.
4. the method as described in any one of claims 1 to 3, it is characterised in that methods described also includes：
To the confirmation of audio, video data, the confirmation is used to characterizing the terminal device to be had been received by receiving terminal apparatus
The audio, video data；
If the read-around ratio for not receiving the confirmation reaches predetermined threshold value, stop sending audio frequency and video to the terminal device
Data.
5. a kind of top box of digital machine multi-screen plays section destination device, it is characterised in that described device includes：
First receiving unit, for receiving the data flow of the audio, video data comprising N number of program, the N is the integer more than 1,
The audio, video data of N number of program mixes；
Second receiving unit, for receiving the request of multiple terminal devices, the multiple premises equipment requests play N number of section
M in mesh, the M is the integer more than or equal to 1 and less than or equal to N；Second receiving unit includes：Issue subelement
And receiving subelement, wherein, the subelement that issues is used to issue comprising N number of program code to the multiple terminal device
The rendition list so that the multiple terminal device determines program code in described the rendition list respectively；It is described to receive son list
Member is used to receive the request that the multiple terminal device returns respectively, and it is true to carry the terminal device in each request
The fixed program code；
Decoding unit, the data flow is decoded for the request according to the multiple terminal device, by the M program
Audio, video data separated from the data flow, the program code is stored by queue to be decoded, when multiple terminals
During device request same program, queue to be decoded only stores portion to the program code of the program so that multiple terminal devices please
The same program asked only need to be decoded once；
Transmitting element, set for the audio, video data separated to be sent into the multiple terminal device into corresponding terminal
It is standby, for playing.
6. device as claimed in claim 5, it is characterised in that the decoding unit is specially：
According to the program code that the multiple terminal device determines by corresponding audio, video data from the data flow point
Separate out and.
7. device as claimed in claim 5, it is characterised in that the transmitting element includes：
Subelement is established, for establishing queue for each program；
Subelement is put into, for the mark for asking the terminal device of same program to be put into queue corresponding to the program；
Transmission sub-unit, for according to it is described mark by the program corresponding to audio, video data send to terminal device.
8. the device as described in any one of claim 5~7, it is characterised in that described device also includes：
3rd receiving unit, the confirmation for receiving terminal apparatus to audio, video data, the confirmation are used to characterize
The terminal device has been received by the audio, video data；
Stop element, if reaching predetermined threshold value for the read-around ratio for not receiving the confirmation, stop to the terminal
Equipment sends audio, video data.
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| CN201310642608.XA CN103841462B (en) | 2013-12-03 | 2013-12-03 | Top box of digital machine multi-screen plays the method and device of program |
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| CN201310642608.XA CN103841462B (en) | 2013-12-03 | 2013-12-03 | Top box of digital machine multi-screen plays the method and device of program |
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| CN103841462B true CN103841462B (en) | 2018-01-26 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104811794A (en) * | 2014-01-27 | 2015-07-29 | 中兴通讯股份有限公司 | Medium data transmitting method, device and set top box |
| CN105142009B (en) * | 2015-07-31 | 2019-03-01 | 深圳Tcl数字技术有限公司 | Audio and video playing control method and device |
| CN105516796B (en) * | 2015-12-18 | 2018-08-31 | 深圳市九洲电器有限公司 | set-top box multi-screen interactive management method and system |
| CN106686400A (en) * | 2016-12-27 | 2017-05-17 | 成都视达科信息技术有限公司 | Multi-screen interaction method and system based on set-top box multipath descrambling |
| CN106911957A (en) * | 2017-02-24 | 2017-06-30 | 山东浪潮商用系统有限公司 | A kind of processing method of Set Top Box and a kind of Set Top Box |
| CN110557579B (en) * | 2018-05-31 | 2021-11-02 | 杭州海康威视数字技术股份有限公司 | Image processing method, device and equipment and readable medium |
| CN111405350B (en) * | 2019-01-02 | 2022-11-08 | 中国移动通信有限公司研究院 | Multimedia access processing method, set top box and gateway |
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| CN1599431A (en) * | 2003-09-16 | 2005-03-23 | Lg电子有限公司 | Multi-displays supporting set-top box |
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| CN103391473A (en) * | 2013-07-12 | 2013-11-13 | 北京小米科技有限责任公司 | Methods and devices for providing and acquiring audios and videos |
| CN104811794A (en) * | 2014-01-27 | 2015-07-29 | 中兴通讯股份有限公司 | Medium data transmitting method, device and set top box |
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| US20090150949A1 (en) * | 2007-12-06 | 2009-06-11 | Electronics & Telecommunications Research Institute | Method of providing continuous streaming service using iptv and apparatus therefor |
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| CN1599431A (en) * | 2003-09-16 | 2005-03-23 | Lg电子有限公司 | Multi-displays supporting set-top box |
| CN101370114A (en) * | 2008-09-28 | 2009-02-18 | 深圳华为通信技术有限公司 | Video and audio processing method, multi-point control unit and video conference system |
| CN101702768A (en) * | 2009-11-18 | 2010-05-05 | 中国联合网络通信集团有限公司 | Digital television program transmission method and device |
| CN103391473A (en) * | 2013-07-12 | 2013-11-13 | 北京小米科技有限责任公司 | Methods and devices for providing and acquiring audios and videos |
| CN104811794A (en) * | 2014-01-27 | 2015-07-29 | 中兴通讯股份有限公司 | Medium data transmitting method, device and set top box |
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