CN106303580A - A kind of TS streaming method and system - Google Patents
A kind of TS streaming method and system Download PDFInfo
- Publication number
- CN106303580A CN106303580A CN201510397849.1A CN201510397849A CN106303580A CN 106303580 A CN106303580 A CN 106303580A CN 201510397849 A CN201510397849 A CN 201510397849A CN 106303580 A CN106303580 A CN 106303580A
- Authority
- CN
- China
- Prior art keywords
- stream
- road
- business
- data flow
- multiplex
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
- H04N21/23614—Multiplexing of additional data and video streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention provides a kind of TS streaming method and system.Described TS streaming method includes: the TS multiplex stream including N road business is separated into corresponding N road business data flow and a road common data stream, wherein, N >=2；Described N road business data flow and a road common data stream are respectively adopted different transmission channels send.Described TS streaming system includes that transmitting terminal and receiving terminal, described transmitting terminal include: multiplex stream separation module, for the TS multiplex stream including N road business is separated into corresponding N road business data flow and a road common data stream, wherein, N >=2；Multichannel sending module, is connected with described multiplex stream separation module, sends for described N road business data flow and a road common data stream are respectively adopted different transmission channels.Technical scheme can select different modulation coding modes to different business, strengthens the motility of transmission, removes certain redundant data, promotes efficiency of transmission.
Description
Technical field
The present invention relates to a kind of broadcasting communication technology, particularly relate to a kind of TS streaming method and system.
Background technology
MPEG2-TS (Moving Picture Experts Group, Transport Stream " transmission stream "；Can also be referred to as
TS) being a kind of transmission and standard that storage comprises audio, video and the various data of communication protocol, MPEG-2TS stream has at net
Network any node can flexmux or separate multi-channel program, transmission stream any time period can independently decode, to addition
New business has the features such as good autgmentability, be therefore widely used in digital television broadcasting system (as DVB, ATSC, IPTV,
DTMB etc.), transmit real-time audio and video program.Such as T-DMB (DTMB), uses TS stream to make
For the input of system multiplex layer, one or more (single business) TS stream i.e. carries out randomization after entering multiplex layer and forward direction entangles
Miscoding (FEC) operates.Along with evolution and the fusion of digit broadcasting system, the various criterion standard in several big standards systems
In, MPEG-2TS needs further to promote compatibility and the suitability, to adapt to the development of high rate video Streaming Media, network
The demands such as fusion and local insertion.
In consideration of it, how to find more preferable TS stream transmission mode to become art technology with the motility and efficiency strengthening transmission
Personnel's problem demanding prompt solution.
Summary of the invention
Shortcoming present in TS streaming in prior art in view of the above, it is an object of the invention to provide a kind of TS and spreads
Transmission method and system, the problem that the motility and efficiency for solving TS streaming in prior art urgently strengthens.
For achieving the above object and other relevant purposes, the present invention provides a kind of TS streaming method, described TS streaming method
Including: the TS multiplex stream including N road business is separated into corresponding N road business data flow and a road common data stream, wherein,
N >=2；Described N road business data flow and a road common data stream are respectively adopted different transmission channels send.
Alternatively, the TS multiplex stream including N road business is separated into corresponding N road business data flow and a road common data stream
Implement and include: N+1 the TS multiplex stream described TS multiplex stream being copied into, N number of TS multiplex stream therein is only protected
The business datum staying a road business to be comprised obtains corresponding N road business data flow, and a road TS multiplex stream only retains public information,
Obtain common data stream.
Alternatively, described TS streaming method also includes: select the arbitrary circuit-switched data stream in the business data flow of described N road pre-
If modulation coding mode process after transmit.
Alternatively, described TS streaming method also includes: is multiplexed into described in one by N number of single-unit mesh TS stream and includes N road industry
The TS multiplex stream of business.
Alternatively, described TS streaming method also includes: receive described N road business data flow and described common data stream,
And described in reverting to, include the TS multiplex stream of N road business.
Alternatively, described TS streaming method also includes: the TS multiplex stream stream comprised in the business data flow of N road that will receive
It is demultiplexing as N road single-unit mesh TS stream.
Alternatively, described TS streaming method also includes: business data flow Zhong mono-road, the N road business data flow that will receive
And described common data stream carries out processing the single-unit mesh TS corresponding with the described road business data flow stream obtained.
The present invention provides a kind of TS streaming system, and described TS streaming system includes transmitting terminal and receiving terminal, described transmitting terminal
Including multiplex stream separation module, for the TS multiplex stream including N road business is separated into corresponding N road business data flow and
One tunnel common data stream, wherein, N >=2；Multichannel sending module, is connected with described multiplex stream separation module, for by described
N road business data flow and a road common data stream are respectively adopted different transmission channels and send.
Alternatively, the TS multiplex stream including N road business is separated into corresponding N road business data flow and a road common data stream
Implement and include: N+1 the TS multiplex stream described TS multiplex stream being copied into, N number of TS multiplex stream therein is only protected
The business datum staying a road business to be comprised obtains corresponding N road business data flow, and a road TS multiplex stream only retains public information,
Obtain common data stream.
Alternatively, described multichannel sending module is additionally operable to select to preset to the arbitrary circuit-switched data stream in the business data flow of described N road
Modulation coding mode process after transmit.
Alternatively, described transmitting terminal also includes multiplex stream generation module, for being multiplexed into described in one by N number of single-unit mesh TS stream
TS multiplex stream including N road business.
The present invention provides a kind of TS streaming system, and described TS streaming system includes transmitting terminal and receiving terminal, described receiving terminal
Including: multichannel receiver module, it is used for receiving described N road business data flow and described common data stream；TS stream recovers mould
Block, is connected with described multichannel receiver module, for described N road business data flow and described common data stream revert to bag
Include the TS multiplex stream of N road business.
Alternatively, described TS stream recovers module and is additionally operable to: by N road business data flow Zhong mono-road business data flow and described
Common data stream carries out processing the single-unit mesh TS corresponding with the described road business data flow stream obtained.
As it has been described above, a kind of TS streaming method and system of the present invention, have the advantages that 1) same transmission stream
Middle different business datum is by different transmission channel bearings, it is possible to according to business demand, choose the code modulation mode of personalization,
To obtain different transmission robustness；2) receiving end needs a reception to process the business datum in transport channel according to this locality, from
And simplify receiving end equipment, reduce mobility and the miniaturization of energy consumption, beneficially handheld device, and promote the response in program switching
Speed；3) remove the redundant data in difference transmission stream, improve efficiency of transmission；4) by the separation of different business in TS,
Combination and mapping, remove certain redundant data, promote the motility of Business Stream transmission.
Accompanying drawing explanation
Fig. 1 is shown as the schematic flow sheet of an embodiment of the TS streaming method of the present invention.
Fig. 2 is shown as separation and the mapping process schematic diagram of an embodiment of the TS streaming method of the present invention.
Fig. 3 is shown as the TS pack arrangement schematic diagram of an embodiment of the TS streaming method of the present invention.
Fig. 4 is shown as the location TS sync byte process schematic of an embodiment of the TS streaming method of the present invention.
Fig. 5 is shown as the PSI information association schematic diagram of an embodiment of the TS streaming method of the present invention.
Fig. 6 is shown as the channel map schematic diagram of an embodiment of the TS streaming method of the present invention.
Fig. 7 is shown as the module diagram of an embodiment of the TS streaming system of the present invention.
Fig. 8 is shown as the module diagram of an embodiment of the TS streaming system of the present invention.
Element numbers explanation
1 TS streaming system
11 transmitting terminals
111 multiplex stream generation modules
112 multiplex stream separation modules
113 multichannel sending modules
12 receiving terminals
121 multichannel receiver modules
122 TS streams recover module
S1～S2 step
Detailed description of the invention
Below by way of specific instantiation, embodiments of the present invention being described, those skilled in the art can be by disclosed by this specification
Content understand other advantages and effect of the present invention easily.The present invention can also be added by the most different detailed description of the invention
To implement or application, the every details in this specification can also be based on different viewpoints and application, in the essence without departing from the present invention
Various modification or change is carried out under god.
It should be noted that the diagram provided in the present embodiment illustrates the basic conception of the present invention the most in a schematic way, the most graphic
In component count, shape and size time only display with relevant assembly in the present invention rather than is implemented according to reality draw, its reality
During enforcement, the kenel of each assembly, quantity and ratio can be a kind of random change, and its assembly layout kenel is likely to increasingly complex.
The present invention provides a kind of TS streaming method.Described TS streaming method can be applicable in wireless broadcast system.At one
In embodiment, as it is shown in figure 1, described TS streaming method includes:
Step S1, is separated into corresponding N road business data flow and a road common data stream by the TS multiplex stream including N road business,
Wherein, N >=2.In one embodiment, as in figure 2 it is shown, TS multiplex stream is by N number of SPTS (Single-program transport
Stream, SPTS) (N >=2) Big TS, i.e. TS multiplex stream of being combined into.Every road SPTS is by one program
Information forms, and content includes video flowing, audio stream, Program Specific Information stream (PSI) and other packets.TS flows (SPTS
Or Big TS) information that transmitted all includes following several types: (1) video, the PES bag of audio frequency and assistance data；
(2) Program Specific Information table (PSI), including four class forms, describes the Program Map Table (PMT) of single channel programme information,
Describe multi-path program multiplexing information Program Association Table (PAT), describe network system information network information table (NIT), with
And to the conditional access table (CAT) required by CA system；(3) miscellaneous service information table (SI), including SDT Service Description Table
(SDT) program segment information table (EIT) Time of Day table (TDT), the most optional service groups table (BAT), operation shape
State table (RST) and TOT Time Offset Table (TOT) etc..For encapsulation business datum in the transport stream, can be according in data
The difference held separates and merges.The lock out operation of TS multiplex stream mainly includes 2 classes or a combination thereof: 1) same transmission
The different business assembly of stream (TS multiplex stream) is split up into some transmission stream (TSPS, business data flow), respectively by not
Same data transmission channel (DTCH) carrying；2) part that time synchronized and content in two or more transmission streams are repeated carries
Take out and be incorporated in common data partial transport streams TSPSC (common data stream), and by Common transport channel (CTCH)
Carrying；In each former transmission stream, duplicate contents position is filled sky bag and is formed a partial transport streams.
As it is shown on figure 3, TS stream ultimate unit is TS bag, length is fixed as 188 bytes, and TS bag is made with sync byte 0x47
For beginning flag, bag ID (PID) is for determining that the data in TS bag belong to that type (video, audio frequency, data or program
Customizing messages).The flow process of the synchronous mark of location TS stream as shown in Figure 4, specifically includes: opens TS and flows input port, from
The transmission stream of input is successively read a byte, until obtaining 0x47 mark, after recording the position of this mark, continues addressing
After the 188th byte, it may be judged whether be still that 0x47, if 0x47, confirm to find the sync byte of first TS bag；If
It not 0x47, then repeat above-mentioned sync byte address procedures.After the same step navigating to TS bag saves, i.e. can obtain complete
TS bag.Analyze TS header packet information, from packet header, solve PID mark, in conjunction with table 1, i.e. may know that this TS bag is held
The PSI/SI form types carried.It is fixed as 188 bytes owing to TS bag is long, and also to the reliability of information transmission, each
PSI/SI form information cannot be deposited in one or continuous print TS bag.In order to obtain complete PSI information, needs will disperse multiple
(the different section of same table are indicated by the Section number in packet header in PSI/SI list section splicing in TS bag
The order of connection of position instruction section), to construct a complete PSI/SI form.The pid value of PSI/SI allocation table defines such as
Shown in following table:
| Table | Pid value |
| PAT | 0x0000 |
| CAT | 0x0001 |
| TSDT | 0x0002 |
| Retain | 0x0003～0x000F |
| NIT,ST | 0x0010 |
| SDT,BAT,ST | 0x0011 |
| EIT,ST,CIT | 0x0012 |
| RST,ST | 0x0013 |
| TDT,TOT,ST | 0x0014 |
| Network Synchronization | 0x0015 |
| RNT | 0x0016 |
| Retain | 0x0017～0x001B |
| In-band signaling | 0x001C |
| Measure | 0x001D |
| DIT | 0x001E |
| SIT | 0x001F |
Strict index relative is there is, it is therefore necessary to the PSI/SI list PID of acquisition is combined it mutual between the form of PSI/SI
Between index relative, just can obtain complete PSI/SI form.The incidence relation of all kinds of form of PSI/SI is as shown in Figure 5.Logical
Crossing reading TS bag and be analyzed, can obtain all of PSI/SI information table from TS flows, these table packs contain all
The data of Business Stream and the information of control, wherein pat table comprises the pmt table index of all program streams, can find according to PAT
Pmt table corresponding to each program stream；In pmt table, the index containing all program stream information (such as audio frequency, regards
Frequently, the PID of the packet such as data, captions).Content in TS stream is divided into two classes according to the demand mapped: a class is data letters
Breath, will with program stream (or program stream combination) be unit be mapped to data transmission channel (Data Transmission Channel,
It is abbreviated as DTCH), a class is the public information (Common Data, be abbreviated as CDatax) of program stream, this kind of public letter
Cease and include three parts: the total information of the original TS in N road stream, SDT other, EIT other, will be mapped to Common transport channel
(Common Transmission Channel, be abbreviated as CTCH).
In one embodiment, the TS multiplex stream including N road business is separated into corresponding N road business data flow and a road is public
Implementing of data stream includes altogether: N+1 the TS multiplex stream described TS multiplex stream being copied into, and N number of TS therein is multiple
The business datum that only reservation one tunnel business is comprised with stream obtains corresponding N road business data flow, and a road TS multiplex stream only retains
Public information, obtains common data stream.Specifically, the separation to TS multiplex stream divides 3 steps to carry out:
1, replicating TS multiplex stream is N+1 identical TS multiplex stream.Assuming that the structure of TS multiplex stream is as shown in the table:
N+1 road identical TS multiplex stream is obtained after then replicating:
2, select N road therein as TSPS, and separate information, the formation of N road TSPS is as shown in the table.
Wherein, TSPS represents business data flow, and TSPS1, TSPS2 ..., TSPSN represent N road business data flow.
In one embodiment, according to service-id and corresponding data PID, by the N road business data flow in TS multiplex stream respectively
Only retaining the data message of single programs, (Transport Stream Partial Stream, is abbreviated as to form a road partial transport streams
TSPS)。
3. another road TS multiplex stream only retains the public information of N road program stream, and i.e. the Common data in table, is formed public
Partial transport streams (Transport Stream Partial Stream Common, be abbreviated as TSPSC), i.e. obtains a public number in road
According to stream.The clean data volume of the TSPS/TSPSC of isolated is suitable with the data volume of former TS multiplex stream, and TSPS/TSPSC
Be isometric with former TS multiplex stream, etc. code check, time synchronized.In one embodiment, described public information includes: 1, N road
The total information of TS stream, refers mainly to for PSI information in DVB-T2 system；2, SDT other；3, EIT other.SDT
Although other Yu EIT other is a part of content of SI, but because its carrying content and be not belonging to this road TS content, because of
This its as the part of public information, corresponding SDT actual and EIT actual is the most to be mapped to Data PLP.Its
In, the storage information of SDT, EIT table is as shown in the table:
Can know according to content in table, SDT other and PID=0X0012 of PID=0X0011Table-id=0X46
The EIT other of Table-id=0X4F, 0X60-0X6F should occur in TSPSC.
Step S2, is respectively adopted described N road business data flow and a road common data stream different transmission channels and sends.?
In one embodiment, as shown in Figure 6, by the N road TSPS (N road business data flow) being previously obtained and 1 road TSPSC (
Road common data stream), apply n+1 TCH (transmission channel) to transmit information, including n DTCH, (data are transmitted
Channel) and 1 CTCH (Common transport channel), TSPS is mapped to DTCH, TSPSC and is mapped to CTCH.This n DTCH
(TCH_GROUP_ID is mainly used in setting up CTCH and DTCH to have identical TCH_GROUP_ID with 1CTCH
Between association, map CTCH and DTCH in the past from TS stream and there is identical TCH_GROUP_ID).
In one embodiment, the arbitrary circuit-switched data stream in the business data flow of described N road is selected at default modulation coding mode
Transmit after reason.User decomposes TS to different transmissions according to the demand of oneself, can select different business not simultaneously
Same modulation coding mode, strengthens the motility of transmission, promotes efficiency of transmission.
In one embodiment, described TS streaming method also includes: is multiplexed into described in one by N number of single-unit mesh TS stream and includes
The TS multiplex stream of N road business.
In one embodiment, described TS streaming method also includes: receive described N road business data flow and described public affairs
Altogether data stream, and include the TS multiplex stream of N road business described in reverting to.In one embodiment, described TS streaming method
Also include: the TS multiplex stream stream comprised in the business data flow of N road received is demultiplexing as N road single-unit mesh TS stream.?
In one embodiment, receiving terminal needs to find the interior all of TCH of group according to TCH_GROUP_ID and reconstruct original TS stream.
The method replaced owing to have employed empty bag has isolated TSPS and TSPSC, therefore when recovering public information, needs at TSPS
Corresponding time point sky bag legacy data is replaced.Especially, in order to accurately find out the position that empty bag replaces, N number of TSPS
Need proper alignment with 1 TSPSC, therefore need to analyze this TS according to the PID in packet header recovering when
Which kind of data message deposit in bag is, recycling PCR clock determines the accurate location that empty bag is replaced.Described TS streaming side
Method can also include: at the N road business data flow Zhong mono-road business data flow received and described common data stream
The single-unit mesh TS corresponding with the described road business data flow stream that reason obtains.In one embodiment, SDT other's is extensive
Multiple needs particularly processes: because what SDT other comprised is the programme information other frequencies outside this frequency, therefore recovering
Time to retain the SDT other of other Service, delete the SDT other of this Service.Such as, the SDT content in TS3
Recovery as shown in the table:
In one embodiment, the recovery of EIT other is also required to process especially: Table_id is the EIT table of 0x4E and 0x4F
Describe is that the EIT table of current (present) and follow-up (following) event, table_id=0x4E in corresponding service must
Beard and hair goes out.Now, EIT sublist uses first section to describe the event being currently played, and uses second section
Table loop structure all only one of which of the event that description will be play, first, second section.Table_id is 0x50～0x5F
With the EIT table of 0x60～0x6F, (schedule) sequenced by initial time order in certain time period in corresponding service is described
The table loop structure of event, section is the most multiple.The content recovery of the EIT in TS3 is as shown in the table:
The present invention provides a kind of TS streaming system.Described TS streaming system can apply TS streaming side as above
Method.In one embodiment, as it is shown in fig. 7, described TS streaming system 1 includes transmitting terminal 11 and receiving terminal 12, described
Transmitting terminal 11 includes multiplex stream separation module 112 and multichannel sending module 113.Wherein:
Multiplex stream separation module 112 for the TS multiplex stream including N road business is separated into corresponding N road business data flow and
One tunnel common data stream, wherein, N >=2.In one embodiment, as in figure 2 it is shown, TS multiplex stream is by N number of SPTS
Big TS, the i.e. TS multiplexing that (Single-program transport stream, SPTS) (N >=2) is combined into
Stream.Every road SPTS is made up of one programme information, content include video flowing, audio stream, Program Specific Information stream (PSI) and
Other packets.TS stream (SPTS or the Big TS) information that transmitted all includes following several types: (1) video, audio frequency
PES bag and assistance data；(2) Program Specific Information table (PSI), including four class forms, describes single channel programme information
Program Map Table (PMT), Program Association Table (PAT), describe network system information network information table (NIT), with
And to the conditional access table (CAT) required by CA system；(3) miscellaneous service information table (SI), including SDT Service Description Table
(SDT) program segment information table (EIT) Time of Day table (TDT), the most optional service groups table (BAT), operation shape
State table (RST) and TOT Time Offset Table (TOT) etc..For encapsulation business datum in the transport stream, can be according in data
The difference held separates and merges.The lock out operation of TS multiplex stream mainly includes 2 classes or a combination thereof: 1) same transmission
The different business assembly of stream (TS multiplex stream) is split up into some transmission stream (TSPS, business data flow), respectively by not
Same transmission channel (DTCH) carrying；2) extracting section that time synchronized and content in two or more transmission streams are repeated goes out
It is incorporated in common data partial transport streams TSPSC (common data stream), and is held by Common transport channel (CTCH)
Carry；In each former transmission stream, duplicate contents position is filled sky bag and is formed a partial transport streams, and uses a transmission channel bearing.
In one embodiment, the TS multiplex stream including N road business is separated into the public number of corresponding N road business data flow and a road
Include according to implementing of stream: N+1 the TS multiplex stream that described TS multiplex stream is copied into, N number of TS multiplex stream therein
The business datum that only reservation one tunnel business is comprised obtains corresponding N road business data flow, and a road TS multiplex stream only retains public
Information, obtains common data stream.Specifically, the separation to TS multiplex stream divides 3 steps to carry out:
1, replicating TS multiplex stream is N+1 identical TS multiplex stream.
2, select N road therein as TSPS, and separate information, TSPS represents business data flow, TSPS1,
TSPS2 ..., TSPSN represent N road business data flow.In one embodiment, according to service-id and phase
Data PID answered, the most only retain the data message of single programs by the N road business data flow in TS multiplex stream,
Form a road partial transport streams (Transport Stream Partial Stream, be abbreviated as TSPS).
3, another road TS multiplex stream only retains the public information of N road program stream, and i.e. the Common data in table, is formed public
Partial transport streams (Transport Stream Partial Stream Common, be abbreviated as TSPSC), i.e. obtains a road
Common data stream.The clean data volume of the TSPS/TSPSC of isolated is suitable with the data volume of former TS multiplex stream, and
And TSPS/TSPSC be isometric with former TS multiplex stream, etc. code check, time synchronized.In one embodiment, described
Public information includes: the total information of 1, N road TS stream, refers mainly to for PSI information in DVB-T2 system；2,
SDT other；3, EIT other.
Multichannel sending module 113 is connected with described multiplex stream separation module 112, for by described N road business data flow and
One tunnel common data stream is respectively adopted different transmission channels and sends.In one embodiment, by described multiplex stream separation module 112
The N road TSPS (N road business data flow) obtained and 1 road TSPSC (a road common data stream), applies n+1 TCH
(transmission channel) transmits information, including n DTCH (data transmission channel) and 1 CTCH (Common transport channel),
TSPS is mapped to DTCH, TSPSC and is mapped to CTCH.This n DTCH and 1CTCH has identical TCH_GROUP_ID
(TCH_GROUP_ID is mainly used in the association setting up between CTCH and DTCH, maps CTCH in the past from a TS stream
With DTCH, there is identical TCH_GROUP_ID).In one embodiment, multichannel sending module 113 is additionally operable to:
Arbitrary circuit-switched data stream in the business data flow of described N road select the modulation coding mode preset transmit after processing.User is according to certainly
Oneself demand decomposes TS to different transmissions, and different business can select different modulation coding modes, increasing simultaneously
The motility of strong transmission, promotes efficiency of transmission.
In one embodiment, as shown in Figure 8, described transmitting terminal 11 also includes multiplex stream generation module 111, described multiplex stream
Generation module 111 is connected with described multiplex stream separation module 112, for N number of single-unit mesh TS stream is multiplexed into a described bag
Include the TS multiplex stream of N road business.
The present invention provides a kind of TS streaming system.In one embodiment, as shown in Fig. 7 or Fig. 8, described receiving terminal 12
Module 122 is recovered including multichannel receiver module 121 and TS stream.Wherein:
Multichannel receiver module 121 is used for receiving described N road business data flow and described common data stream.
TS stream recovers module 122 and is connected with described multichannel receiver module 121, for by described N road business data flow and institute
State common data stream and revert to include the TS multiplex stream of N road business.In one embodiment, described TS stream recovers module 122
It is additionally operable to: the TS multiplex stream stream comprised in the business data flow of N road received is demultiplexing as N road single-unit mesh TS stream.?
In one embodiment, receiving terminal 12 needs to find the interior all of TCH of group according to TCH_GROUP_ID and reconstruct original TS
Stream.The method replaced owing to have employed empty bag has isolated TSPS and TSPSC, therefore when recovering public information, needs at TSPS
Corresponding time point sky bag legacy data is replaced.Especially, in order to accurately find out the position that empty bag replaces, N+1
TSPS needs proper alignment, therefore needs to analyze according to the PID in packet header recovering when to deposit in this TS bag
Be which kind of data message, recycling PCR clock determines the accurate location that empty bag is replaced.
In one embodiment, described TS stream recovery module 122 is additionally operable to: the N receiving multichannel receiver module 111
Road business data flow Zhong mono-road business data flow and described common data stream carry out processing obtained and a described road business
The single-unit mesh TS stream that data stream is corresponding.In one embodiment, the recovery of SDT other needs particularly to process: because SDT
What other comprised is the programme information other frequencies outside this frequency, therefore to retain the SDT of other Service when recovering
Other, deletes the SDT other of this Service.Such as, the recovery of the SDT content in TS3 is as shown in the table:
In one embodiment, the recovery of EIT other is also required to process especially: Table_id is the EIT table of 0x4E and 0x4F
Describe is that the EIT table of current (present) and follow-up (following) event, table_id=0x4E in corresponding service must
Beard and hair goes out.Now, EIT sublist uses first section to describe the event being currently played, and uses second section
Table loop structure all only one of which of the event that description will be play, first, second section.Table_id is 0x50～0x5F
With the EIT table of 0x60～0x6F, (schedule) sequenced by initial time order in certain time period in corresponding service is described
The table loop structure of event, section is the most multiple.The content recovery of the EIT in TS3 is as shown in the table:
In sum, the technical scheme of a kind of TS of present invention streaming method and system can be in the situation of input multi-service TS stream
Under, user decomposes TS to different transmissions according to the demand of oneself, different business can be selected different tune simultaneously
Coded system processed, strengthens the motility of transmission, removes certain redundant data, promotes efficiency of transmission.So, the present invention is effective
Overcome various shortcoming of the prior art and have high industrial utilization.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.Any it is familiar with this skill
Above-described embodiment all can be modified under the spirit and the scope of the present invention or change by the personage of art.Therefore, such as
All that in art, tool usually intellectual is completed under without departing from disclosed spirit and technological thought etc.
Effect is modified or changes, and must be contained by the claim of the present invention.
Claims (12)
1. a TS streaming method, it is characterised in that described TS streaming method includes:
One is included, and the TS multiplex stream of N road business is separated into corresponding N road business data flow and a road common data stream,
Wherein, N >=2；
Described N road business data flow and a road common data stream are respectively adopted different transmission channels send.
TS streaming method the most according to claim 1, it is characterised in that: one is included the TS multiplex stream of N road business
It is separated into corresponding N road business data flow and implementing of road common data stream includes: described TS multiplex stream is replicated
N+1 the TS multiplex stream become, N number of TS multiplex stream therein only retains the business datum that a road business comprised and obtains phase
The N road business data flow answered, a road TS multiplex stream only retains public information, obtains common data stream.
TS streaming method the most according to claim 1, it is characterised in that: described TS streaming method also includes: to institute
Transmit after stating the modulation coding mode process that the arbitrary circuit-switched data stream in the business data flow of N road selects to preset.
TS streaming method the most according to claim 1, it is characterised in that: described TS streaming method also includes: by N
Individual single-unit mesh TS stream is multiplexed into described in one the TS multiplex stream including N road business.
TS streaming method the most according to claim 1, it is characterised in that: described TS streaming method also includes: receive
To described N road business data flow and described common data stream, and include the TS multiplex stream of N road business described in reverting to.
TS streaming method the most according to claim 1, it is characterised in that: described TS streaming method also includes: will connect
The TS multiplex stream stream comprised in the business data flow of N road received is demultiplexing as N road single-unit mesh TS stream.
7. a TS streaming system, described TS streaming system includes transmitting terminal and receiving terminal, it is characterised in that: described transmission
End includes:
Multiplex stream separation module, for being separated into corresponding N road business data flow by the TS multiplex stream including N road business
With a road common data stream, wherein, N >=2；
Multichannel sending module, is connected with described multiplex stream separation module, for by described N road business data flow and
Road common data stream is respectively adopted different transmission channels and sends.
TS streaming system the most according to claim 7, it is characterised in that: the TS multiplex stream including N road business is separated
Corresponding N road business data flow and implementing of road common data stream is become to include: described TS multiplex stream to be copied into
N+1 TS multiplex stream, N number of TS multiplex stream therein only retains the business datum that a road business comprised and obtains accordingly
N road business data flow, a road TS multiplex stream only retains public information, obtains common data stream.
TS streaming system the most according to claim 7, it is characterised in that: described multichannel sending module is additionally operable to described
Arbitrary circuit-switched data stream in the business data flow of N road selects the modulation coding mode preset to transmit after processing.
TS streaming system the most according to claim 7, it is characterised in that: described transmitting terminal also includes multiplex stream generation module,
For N number of single-unit mesh TS stream being multiplexed into described in one the TS multiplex stream including N road business.
11. 1 kinds of TS streaming systems, described TS streaming system includes transmitting terminal and receiving terminal, it is characterised in that: described reception
End includes:
Multichannel receiver module, is used for receiving described N road business data flow and described common data stream；
TS stream recovers module, is connected with described multichannel receiver module, is used for described N road business data flow and described
Common data stream reverts to include the TS multiplex stream of N road business.
12. TS streaming systems according to claim 11, it is characterised in that: described TS stream recovers module and is additionally operable to: by N
Road business data flow Zhong mono-road business data flow and described common data stream carry out processing obtained and a described road
The single-unit mesh TS stream that business data flow is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510397849.1A CN106303580A (en) | 2015-07-08 | 2015-07-08 | A kind of TS streaming method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510397849.1A CN106303580A (en) | 2015-07-08 | 2015-07-08 | A kind of TS streaming method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106303580A true CN106303580A (en) | 2017-01-04 |
Family
ID=57650310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510397849.1A Pending CN106303580A (en) | 2015-07-08 | 2015-07-08 | A kind of TS streaming method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106303580A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108289227A (en) * | 2018-01-04 | 2018-07-17 | 山东浪潮商用系统有限公司 | A kind of method and device for realizing that audio-video source is replaced in TS streams |
| CN111726680A (en) * | 2020-06-17 | 2020-09-29 | 伟乐视讯科技股份有限公司 | Method and equipment for realizing EIT table multiplexing |
| CN113573104A (en) * | 2021-07-15 | 2021-10-29 | 北京数字电视国家工程实验室有限公司 | Method for branching and combining transmission code stream, code stream branching device, combiner and system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3991307B2 (en) * | 2002-01-18 | 2007-10-17 | 独立行政法人情報通信研究機構 | Digital data transmitter and receiver |
| CN101821973A (en) * | 2007-06-25 | 2010-09-01 | Nxp股份有限公司 | Multi-format stream re-multiplexer for multi-pass, multi-stream, multiplexed transport stream processing |
| CN101867803A (en) * | 2010-05-21 | 2010-10-20 | 杭州华三通信技术有限公司 | Data transmission method, equipment and system |
| CN102118242A (en) * | 2010-01-06 | 2011-07-06 | 索尼公司 | Reception apparatus and method, program and reception system |
| CN102118341A (en) * | 2010-01-06 | 2011-07-06 | 索尼公司 | Reception apparatus and method, program and reception system |
| CN102118342A (en) * | 2010-01-06 | 2011-07-06 | 索尼公司 | Reception apparatus and method, program and reception system |
| CN103269433A (en) * | 2013-04-28 | 2013-08-28 | 广东威创视讯科技股份有限公司 | Video data transmission method and video data transmission system |
| WO2015083564A1 (en) * | 2013-12-04 | 2015-06-11 | ソニー株式会社 | Data processing device, and data processing method |
-
2015
- 2015-07-08 CN CN201510397849.1A patent/CN106303580A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3991307B2 (en) * | 2002-01-18 | 2007-10-17 | 独立行政法人情報通信研究機構 | Digital data transmitter and receiver |
| CN101821973A (en) * | 2007-06-25 | 2010-09-01 | Nxp股份有限公司 | Multi-format stream re-multiplexer for multi-pass, multi-stream, multiplexed transport stream processing |
| CN102118242A (en) * | 2010-01-06 | 2011-07-06 | 索尼公司 | Reception apparatus and method, program and reception system |
| CN102118341A (en) * | 2010-01-06 | 2011-07-06 | 索尼公司 | Reception apparatus and method, program and reception system |
| CN102118342A (en) * | 2010-01-06 | 2011-07-06 | 索尼公司 | Reception apparatus and method, program and reception system |
| CN101867803A (en) * | 2010-05-21 | 2010-10-20 | 杭州华三通信技术有限公司 | Data transmission method, equipment and system |
| CN103269433A (en) * | 2013-04-28 | 2013-08-28 | 广东威创视讯科技股份有限公司 | Video data transmission method and video data transmission system |
| WO2015083564A1 (en) * | 2013-12-04 | 2015-06-11 | ソニー株式会社 | Data processing device, and data processing method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108289227A (en) * | 2018-01-04 | 2018-07-17 | 山东浪潮商用系统有限公司 | A kind of method and device for realizing that audio-video source is replaced in TS streams |
| CN111726680A (en) * | 2020-06-17 | 2020-09-29 | 伟乐视讯科技股份有限公司 | Method and equipment for realizing EIT table multiplexing |
| CN111726680B (en) * | 2020-06-17 | 2022-06-10 | 伟乐视讯科技股份有限公司 | Method and equipment for realizing EIT table multiplexing |
| CN113573104A (en) * | 2021-07-15 | 2021-10-29 | 北京数字电视国家工程实验室有限公司 | Method for branching and combining transmission code stream, code stream branching device, combiner and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106031181B (en) | Broadcast singal sending device, broadcasting signal receiving, broadcast singal sending method and broadcast signal received method | |
| US10827208B2 (en) | Transmitting method, receiving method, transmitting device and receiving device | |
| CN103718562B (en) | The device for sending video flowing, the device, the method for transmission video flowing, the method for reception video flowing that receive video flowing | |
| US9226008B2 (en) | Remote re-multiplexing with packet inclusion | |
| US10728609B2 (en) | Receiving device and receiving method | |
| US20170257647A1 (en) | Transmitting method, receiving method, transmitting device, and receiving device | |
| US20080244678A1 (en) | Method for transmitting/receiving broadcasting signal and apparatus for receiving broadcasting signal | |
| CN105723718A (en) | Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals | |
| KR20070077034A (en) | Digital broadcasting system and processing method | |
| CN103533311B (en) | High-definition network camera device | |
| CN106664456A (en) | Reception device, reception method, transmission device, and transmission method | |
| CN105745899A (en) | Apparatus for transmitting broadcast signals, apparatus for receiving broadcast signals, method for transmitting broadcast signals and method for receiving broadcast signals | |
| CN101009826A (en) | A device of the digital TV terminal for TS stream reuse | |
| JP4848313B2 (en) | Signal multiplexer | |
| US11284136B2 (en) | Transmitting method, receiving method, transmitting device and receiving device | |
| CN103634615A (en) | Mixed serial and parallel stream channel bonding architecture | |
| CN102498722A (en) | Distribution of mpeg-2 ts multiplexed multimedia stream with selection of elementary packets of the stream | |
| CN106134203A (en) | Broadcast singal dispensing device, broadcast receiver, broadcast singal sending method and broadcast signal received method | |
| JP3382021B2 (en) | Program search device and method | |
| CN106303580A (en) | A kind of TS streaming method and system | |
| US20170134774A1 (en) | Transmitting method, receiving method, transmitting device and receiving device | |
| KR101577815B1 (en) | Stream Generator for Digital Broadcasting and Method Thereof | |
| US20100315486A1 (en) | Stereoscopic video service providing/receiving method and apparatus in digital broadcasting system | |
| CN105900439B (en) | Reproduce the method and apparatus of multi-medium data | |
| CN100592802C (en) | Method, equipment, and receiver for the dynamic multiplexing of digital streams |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170104 |