CN105578287B - A kind of transmission method, device and the digital TV in high resolution of high code rate transport stream - Google Patents
A kind of transmission method, device and the digital TV in high resolution of high code rate transport stream Download PDFInfo
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- CN105578287B CN105578287B CN201610058504.8A CN201610058504A CN105578287B CN 105578287 B CN105578287 B CN 105578287B CN 201610058504 A CN201610058504 A CN 201610058504A CN 105578287 B CN105578287 B CN 105578287B
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- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/454—Content or additional data filtering, e.g. blocking advertisements
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- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/454—Content or additional data filtering, e.g. blocking advertisements
- H04N21/4545—Input to filtering algorithms, e.g. filtering a region of the image
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- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
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- Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention is suitable for the technical field of DTV, provides a kind of transmission method of high code rate transport stream, comprises the following specific steps that: receiving high code rate transport stream；According to the filter condition of user configuration, the transport stream packets in high code rate transport stream are filtered, low bit- rate transport stream is obtained；Transmit low bit- rate transport stream.In embodiments of the present invention, it can not be suitable for the technical problem separation between machine and card mode for the technology for improving efficiency of transmission in the prior art, by the way of filter transport stream packet, high code rate transport stream is enabled simply and rapidly to be changed into low bit- rate transport stream, to greatly improve the utilization rate of transmission bandwidth, and entire transition process synchronous when user watches can carry out, and be particularly suitable for the transmission of the separation between machine and card mode such as digital TV integrated machine.
Description
Technical field
The invention belongs to the technical field of DTV more particularly to a kind of transmission method, the devices of high code rate transport stream
And digital TV in high resolution.
Background technique
Digital picture communications most extensively be also the most common application be exactly digital television broadcasting system, be correspondingly based on
DVB (Digital Video Broadcasting, the digital video broadcasting) establishment of standard of MPEG2_TS is even more to accelerate number
The large-scale application of word television broadcasting system.As from simulated television turn over to digital TV platform, DTV is whole both at home and abroad
End technology continuous evolution is to meet each place operator needs, wherein the separation between machine and card scheme based on PCMCIA adheres to, " machine is logical
With separation between machine and card principle ", it has also become a kind of a kind of important solutions for solving different places operator differentiated demand.With
Technology continuous evolution, the separation between machine and card scheme based on USB also gradually received by vast operator.
In recent years, digital TV in high resolution terminal was one of the main direction of development of television manufacturers, and fine definition is inevitable
The very high TS of data bit rate (Transport Stream, transport stream) is brought to wrap, as digital television terminal user is to program
Image quality requires to be continuously improved and TS data transmission technology promotes, and single channel TS code stream even can be up to 150Mbp, this gives terminal
Separation between machine and card scheme brings very big challenge.
In the prior art, the case where transmission bandwidth is relatively fixed, the mode for improving efficiency of transmission is roughly divided into two kinds: one
It is to change code rate, the TS of high code rate is changed into the TS of low bit- rate by the step of coding, decoding, transcoding, re-encoding；Second is that changing
Become larger small, is divided into several small TS packets of certain length to transmit complete high code rate TS packet.Although the former can be realized
The conversion of high code rate and low bit- rate, but during changing code rate, once interrupting, then be very easy to lead to data
It loses, therefore, the former is difficult to be used in separation between machine and card scheme；And although the latter can be improved the utilization rate of transmission bandwidth, but
It is to divide the process integrated again to need to consume a large amount of hardware resource, so that there is the pause of long period when digital television broadcasting,
It is affected to the viewing experience of user.
To sum up, the prior art that there are the utilization rates of transmission bandwidth is low, can not in separation between machine and card real-time Transmission skill
Art problem.
Summary of the invention
The embodiment of the present invention provides a kind of transmission method of high code rate transport stream, it is intended to solve transmission bandwidth utilization rate it is poor,
It can not be in separation between machine and card the technical issues of real-time Transmission.
The embodiments of the present invention are implemented as follows, and a kind of transmission method of high code rate transport stream comprises the following specific steps that:
Receive high code rate transport stream；
According to the filter condition of user configuration, the transport stream packets in high code rate transport stream are filtered, low bit- rate is obtained
Transport stream；The filter condition specifically includes filtration parameter and filter type；The filtration parameter is used for identification transmission stream packet, institute
Stating filter type includes white list filtering and blacklist filtering；The filter condition according to user configuration transmits high code rate
Transport stream packets in stream are filtered, and are obtained low bit- rate transport stream, are specifically comprised the following steps:
Judge whether the transport stream packets in transport stream meet filtration parameter one by one；
When the filter type is that white list filters, retain the transport stream packets for meeting the filtration parameter, discarding is not inconsistent
The transport stream packets of conjunction；
When the filter type is that blacklist filters, the transport stream packets for meeting the filtration parameter are abandoned, reservation is not inconsistent
The transport stream packets of conjunction,
Transmit low bit- rate transport stream.
The embodiment of the present invention also provides a kind of transmitting device of high code rate transport stream, comprising:
Input unit, for receiving high code rate transport stream；
Filter element carried out the transport stream packets in high code rate transport stream for the filter condition according to user configuration
Filter, obtains low bit- rate transport stream；The filter condition specifically includes filtration parameter and filter type；The filtration parameter is for marking
Know transport stream packets, the filter type includes white list filtering and blacklist filtering；The filter element specifically includes:
Judgment sub-unit, for judging whether the transport stream packets in transport stream meet filtration parameter one by one；
White list filters subelement, for when the filter type is that white list filters, reservation to meet the filtering ginseng
Several transport stream packets abandon incongruent transport stream packets；And
Blacklist filters subelement, for when the filter type is that blacklist filters, discarding to meet the filtering ginseng
Several transport stream packets retain incongruent transport stream packets,
Transmission unit transmits low bit- rate transport stream.
The embodiment of the present invention also provides a kind of digital TV in high resolution, including device as described above, and described device is for connecing
High code rate transport stream is received, and according to the filter condition of user configuration, after being filtered to the transport stream packets in high code rate transport stream,
Low bit- rate transport stream is transmitted to digital TV in high resolution.
The transmission method of high code rate transport stream disclosed by the invention, by being carried out to the transport stream packets in high code rate transport stream
The mode of filtering enables high code rate transport stream to be simply and rapidly changed into low bit- rate transport stream, to greatly improve transmission
The utilization rate of bandwidth, and entire transition process synchronous when user watches can carry out, and be particularly suitable for digital TV in high resolution
The transmission of the separation between machine and card mode such as all-in-one machine.
Detailed description of the invention
Fig. 1 is a kind of a kind of working environment figure of the transmission method of high code rate transport stream provided in an embodiment of the present invention；
Fig. 2 is a kind of another working environment figure of the transmission method of high code rate transport stream provided in an embodiment of the present invention；
Fig. 3 is a kind of flow chart of the transmission method for high code rate transport stream that the embodiment of the present invention provides；
Fig. 4 is provided in an embodiment of the present invention to the filter condition according to user configuration, in high code rate transport stream
Transport stream packets be filtered, obtain the flow chart of low bit- rate transport stream；
Fig. 5 is a kind of flow chart of the transmission method of high code rate transport stream provided in an embodiment of the present invention；
Fig. 6 is the stream whether transport stream packets judged in transport stream provided in an embodiment of the present invention meet filtration parameter
Cheng Tu；
Fig. 7 is a kind of process of the transmission method of high code rate transport stream provided in an embodiment of the present invention in practice
Figure；
Fig. 8 is process of the transmission method of the high code rate transport stream of another kind provided in an embodiment of the present invention in practice
Figure；
Fig. 9 is a kind of structure chart of the transmitting device of high code rate transport stream provided in an embodiment of the present invention；
Figure 10 is the structure chart of filter element provided in an embodiment of the present invention；
Figure 11 shows the structure chart that the embodiment of the present invention provides a kind of transmitting device of high code rate transport stream；
Figure 12 is the structure chart of judgment sub-unit provided in an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
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.
The embodiment of the present invention is according to the filter condition of user configuration, by the way of filtering TS packet, to high code rate transport stream
In transport stream packets be filtered, enable high code rate transport stream to be simply and rapidly changed into low bit- rate transport stream, improve
The utilization rate of transmission bandwidth realizes the real-time Transmission in separation between machine and card.
Fig. 1 shows a kind of a kind of working environment of the transmission method of high code rate transport stream provided in an embodiment of the present invention.
Descrambler is connect with television network broadcast, to obtain scrambled high-definition program data on television network broadcast, with
Descrambled afterwards, then high-definition program data are transferred on digital TV in high resolution by USB interface and are played out.
At this point, transmission method is suitable for the high code rate transport stream after descrambling being transferred to high-definition digital electricity from descrambler
Depending on.
Fig. 2 shows a kind of another building rings of the transmission method of high code rate transport stream provided in an embodiment of the present invention
Border.
Digital TV in high resolution is directly connect with television network broadcast, to obtain scrambled high definition section on television network broadcast
Then mesh number evidence is transferred to descrambler descrambling by PCMCIA, last transmitting device is the high-definition program number after descrambling
It is played out according to digital TV in high resolution is returned to.
At this point, transmission method is suitable for the high code rate transport stream not descrambled being transferred to descrambling dress from digital TV in high resolution
It sets.
Embodiment 1:
Fig. 3 shows a kind of process of the transmission method of high code rate transport stream of the embodiment of the present invention offer, is described in detail such as
Under:
In step S301, high code rate transport stream is received.
In step s 302, according to the filter condition of user configuration, the TS packet in high code rate transport stream is filtered, is obtained
To low bit- rate transport stream.
In an embodiment of the present invention, the configuration side of filter condition is the upper layer application interacted with user, can be height
Clear digital TV terminal is also possible to be inserted with other terminals of pcmcia card.
Wherein, the filter condition includes filtration parameter and filter type, and the filtration parameter is described for identifying TS packet
Filter type includes the filter type and the customized filter type of user built in system.
At this point, filtration parameter is the essential condition that judges TS packet and whether should filter, therefore, needed in order to avoid user
TS coating filtering, the embodiment of the present invention regard the PID set in the packet header TS as filtration parameter.
Certainly, as long as capableing of the parameter of unique identification TS packet, it all can serve as filtration parameter.
When the embodiment of the present invention is used in during program normal play, upper layer application only needs basis currently to broadcast
The information for putting program obtains the PID of audio, video data transmission, filtration parameter is then set as, finally by filter condition, from front end
The TS packet that PID is actual program audio and the TS packet that PID is actual program video are extracted in the transport stream received, remaining
PID packet then abandon.
In step S303, low bit- rate transport stream is transmitted.
The embodiment of the present invention technical problem low for the utilization rate of prior art transmission bandwidth, using TS packet filtering
The TS packet for meeting filter condition in high code rate transport stream is filtered by mode according to corresponding filter type, so that after filtering
Transport stream in only comprising user need a program data improve transmission bandwidth to substantially reduce the code rate of transport stream
Utilization rate shortens delay time of the high code rate transport stream in transmission.
Certainly, the transmission method of the embodiment of the present invention is not restricted to the utilization of digital television broadcasting, as long as multichannel
Data transmission between the transmission mode of multiplexing, such as the video image and storage equipment of monitor, user can use
The present invention is to reduce the code rate of transport stream and obtain from the transport stream of multiplexing single data flow.
Embodiment 2:
In embodiments of the present invention, the filter type includes white list filtering and blacklist filtering.
Fig. 4 shows provided in an embodiment of the present invention to the filter condition according to user configuration, transmits to high code rate
Transport stream packets in stream are filtered, and obtain the process of low bit- rate transport stream, details are as follows:
In step S401, the serial input of high code rate transport stream is received.
The embodiment of the present invention 3 by the way of filtering the TS packet in transport stream one by one, and therefore, high code rate transport stream should
Serially input.
In step S402, judge whether the TS packet in transport stream meets filtration parameter one by one.
In step S403, judge whether current filter mode is white list filtering, if it is, going to step S404；
If it is not, then going to step S405.
In step s 404, retain and meet the TS packet of the filtration parameter, abandon incongruent TS packet.
In step S405, abandons and meet the TS packet of the filtration parameter, retain incongruent TS packet.
The embodiment of the present invention is filtered judgement to each TS packet by the way of filtering TS packet one by one, so that transmission
It is more accurate to flow through filter, improves transport stream filter efficiency, so that entire transport stream filter process is shorter, facilitates
Realize real-time Transmission when separation between machine and card.
It, generally can 8 road of simultaneous transmission section in being multiplexed more transport stream, such as in the higher cable television of transmission bandwidth
Mesh, at this time if the filter type filtered using white list, it will be able to effectively reduce expense, quickly obtain currently watched section
Mesh TS packet, meanwhile, using the filter type of " white list ", the PID stored in filtration parameter is less, filtration parameter entirety institute duty
Between it is also smaller.
And in being multiplexed relatively small number of transport stream, such as in 4K digital TV in high resolution, it generally can only 2 road of simultaneous transmission section
Mesh, at this time if the filter type filtered using blacklist, can be improved the accuracy of TS packet filtering, effectively avoid TS packet
It omits, so that the program clarity of viewing is higher.
Wherein, for the filter type in the embodiment of the present invention, user can pass through upper layer according to the viewing needs of itself
Using adjusting at any time or upper layer application is according to current program information adjust automatically, to be convenient for the user to use.
Embodiment 3:
Fig. 5 shows a kind of process of the transmission method of high code rate transport stream provided in an embodiment of the present invention, and details are as follows:
It further include step S501 after step S302, before step S303.
Total in step S501, insertion abandons label in the TS packet being dropped.
At this point, abandoning label can be not only used for the recovery of TS packet, it is coated with and abandons to avoid useful TS；It can be used for transport stream again
Transmission in subsequent applications.
That is, subsequent application can be directly in discarding when the TS contains the program of other users viewing
The program data of needs is found in TS packet, rather than entire transport stream is transmitted or filtered again, to not only reduce
The code rate of the transport stream of active user, but also can reduce the code rate of the transport stream of other users.
Embodiment 4:
Fig. 6 shows whether the transport stream packets judged in transport stream provided in an embodiment of the present invention meet filtration parameter
Process, details are as follows:
Whether the embodiment of the present invention meets filtration parameter step to the TS packet judged in transport stream one by one, is refined and is attached most importance to
It is multiple to execute following steps several times:
In step s 601, a TS packet in transport stream is received.
The embodiment of the present invention is concurrently handled the packet of TS one by one in high code rate transport stream, and will be protected after treatment
The TS packet stayed is transmitted, at this point, TS packet forms new transport stream in transmission process one by one, and the transport stream has ranged
Low bit- rate transport stream, to realize that high code rate transmission flows to the conversion of low bit- rate transport stream.
In step S602, the packet header of the TS packet is parsed, obtains the corresponding pid value of TS packet.
In step S603, according to the PID, judge whether the TS packet is reported in filtration parameter.
The embodiment of the present invention is different from the existing shape by recompiling using the filter type for filtering TS packet one by one
Formula changes the technology of TS code rate, and entire filter process expense is small, treatment effeciency is high, and can be realized will rapidly reduce high code rate TS
Code rate, thus user watch program when, high code rate TS can be realized real-time Transmission.
Embodiment 5:
Fig. 7 shows a kind of stream of the transmission method of high code rate transport stream provided in an embodiment of the present invention in practice
Journey, details are as follows:
In step s 701, the TS filter type of actual program is set.At this point, using the filter type of " white list ".
In step S702, starts TS source device end, wait the input of high code rate TS.At this point, TS generally from tuner or
The output of person's demodulator.
In step S703, the input of TS serial mode, TS packet is received one by one.
In step S704, judge current TS packet whether upper layer application setting white list pid parameter set in, if
It is then to go to step S705；Otherwise, step S706 is gone to.
In step S705, retains the TS packet and export, go to step S707.
In step S706, abandons the TS packet and be inserted into discarding label, go to step S707.
In step S707, whether current upper layer application, which stops, being exported, if it is, terminating process；Otherwise, step is returned back to
Rapid S703 carries out the filtering of next TS packet again.
The embodiment of the present invention is by the way of carrying out white list filtering to the TS packet in high code rate transport stream, so that meeting
The TS packet of filter parameter is retained and the TS packet for transmitting and not meeting filtration parameter is then dropped, so that high code rate transmits
Stream can simply and rapidly be changed into low bit- rate transport stream, greatly improve the utilization rate of transmission bandwidth.
Embodiment 6:
Fig. 8 shows the transmission method of the high code rate transport stream of another kind provided in an embodiment of the present invention in practice
Process, details are as follows:
In step S801, the TS filter type of actual program is set, at this point, using the filter type of " blacklist ".
In step S802, starts TS source device end, wait the input of high code rate TS.At this point, TS generally from tuner or
The output of person's demodulator.
In step S803, the input of TS serial mode, TS packet is received one by one.
In step S804, judge current TS packet whether upper layer application setting blacklist pid parameter set in, if
It is then to go to step S805；Otherwise, step S806 is gone to.
In step S805, abandons the TS packet and be inserted into discarding label, go to step S807.
In step S806, retains the TS packet and export, go to step S807.
In step S807, whether current upper layer application, which stops, being exported, if it is, terminating process；Otherwise, step is returned back to
Rapid S803 carries out the filtering of next TS packet again.
The embodiment of the present invention is by the way of carrying out blacklist filtering to the TS packet in high code rate transport stream, so that meeting
The TS packet of filter parameter is retained and the TS packet for transmitting and not meeting filtration parameter is then dropped, so that high code rate transmits
Stream can simply and rapidly be changed into low bit- rate transport stream, greatly improve the utilization rate of transmission bandwidth.
It is usually the standard TS code stream of 38Mbps~43Mbps using code rate in the practice of the embodiment of the present invention,
If it is transmission SD program, TS transmits 8 road programs all the way, and filtered TS data can be reduced 80% or more；If it is
If 1080P high-definition program, TS transmits 4 road high-definition programs all the way, and TS data at least can be reduced 70%；If it is 4K high-definition program
If, TS transmits 2 road high-definition programs all the way, and TS data can be reduced 50% or so.
It will appreciated by the skilled person that all or part of step in realization above method embodiment is can
With what is completed by program and relevant hardware, the program be can store in a computer-readable storage medium
In, the storage medium, such as ROM/RAM, disk, CD, flash memory disk.
Embodiment 7:
Fig. 9 shows a kind of structure of the transmitting device of high code rate transport stream provided in an embodiment of the present invention, for the ease of
Illustrate, part related to the embodiment of the present invention is only shown.
In embodiments of the present invention, the transmitting device of the high code rate transport stream includes control unit 901, filter element
902 and transmission unit 903, in which:
Control unit 901, for receiving high code rate transport stream.
Filter element 902 carries out the transport stream packets in high code rate transport stream for the filter condition according to user configuration
Filtering, obtains low bit- rate transport stream.
In an embodiment of the present invention, the configuration side of filter condition is the upper layer application interacted with user, can be height
Clear digital TV terminal is also possible to be inserted with other terminals of pcmcia card.
Wherein, the filter condition includes filtration parameter and filter type, and the filtration parameter is described for identifying TS packet
Filter type includes the filter type and the customized filter type of user built in system.
At this point, filtration parameter is the essential condition that judges TS packet and whether should filter, therefore, needed in order to avoid user
TS coating filtering, the embodiment of the present invention regard the PID set in the packet header TS as filtration parameter.
Certainly, as long as capableing of the parameter of unique identification TS packet, it all can serve as filtration parameter.
When the embodiment of the present invention is used in during program normal play, upper layer application only needs basis currently to broadcast
The information for putting program obtains the PID of audio, video data transmission, filtration parameter is then set as, finally by filter condition, from front end
The TS packet that PID is actual program audio and the TS packet that PID is actual program video are extracted in the transport stream received, remaining
PID packet then abandon.
Transmission unit 903 transmits low bit- rate transport stream.
The technical problem low for the utilization rate of prior art transmission bandwidth of the embodiment of the present invention, using the side of TS packet filtering
The TS packet for meeting filter condition in high code rate transport stream is filtered, so that filtered by formula according to corresponding filter type
The program data only needed comprising user in transport stream improves the benefit of transmission bandwidth to substantially reduce the code rate of transport stream
With rate, delay time of the high code rate transport stream in transmission is shortened.
Certainly, the transmitting device of the embodiment of the present invention is not restricted to the utilization of digital television broadcasting, as long as multichannel
Data transmission between the transmission mode of multiplexing, such as the video image and storage equipment of monitor, user can use
The transmitting device is to reduce the code rate of transport stream and obtain from the transport stream of multiplexing single data flow.
Embodiment 8:
Figure 10 shows the structure of filter element provided in an embodiment of the present invention, for ease of description, only shows and this hair
The relevant part of bright embodiment, in which:
Receiving subelement 1001, for receiving the serial input of high code rate transport stream.
The embodiment of the present invention by the way of filtering the TS packet in transport stream one by one, and therefore, high code rate transport stream should
Serially input.
Whether judgment sub-unit 1002, the TS packet for being judged in transport stream one by one meet filtration parameter.
White list filters subelement 1003, for when the filter type is that white list filters, reservation to meet the mistake
It filters the transport stream packets of parameter, abandon incongruent transport stream packets.
Blacklist filters subelement 1004, for when the filter type is that blacklist filters, discarding to meet the mistake
It filters the transport stream packets of parameter, retain incongruent transport stream packets.
The embodiment of the present invention is filtered judgement to each TS packet by the way of filtering TS packet one by one, so that transmission
It is more accurate to flow through filter, improves transport stream filter efficiency, so that entire transport stream filter process is shorter, facilitates
Realize real-time Transmission when separation between machine and card.
Wherein, subelement 1003 is filtered for the white list in the embodiment of the present invention and blacklist filters subelement 1004,
User can be converted at any time by upper layer application according to the viewing needs of itself or upper layer application is according to current program information
Automatic conversion, to be convenient for the user to use.
Embodiment 9:
Figure 11 shows the structure that the embodiment of the present invention provides a kind of transmitting device of high code rate transport stream, for the ease of saying
It is bright, part related to the embodiment of the present invention is only shown, in which:
Tag unit 1101, the interior insertion of TS packet for being dropped after filtration abandon label.
At this point, abandoning label can be not only used for the recovery of TS packet, it is coated with and abandons to avoid useful TS；It can be used for transport stream again
Transmission in subsequent applications.
That is, subsequent application can be directly in discarding when the TS contains the program of other users viewing
The program data of needs is found in TS packet, rather than entire transport stream is transmitted or filtered again, to not only reduce
The code rate of the transport stream of active user, but also can reduce the code rate of the transport stream of other users.
Embodiment 10:
The structure that Figure 12 shows judgment sub-unit 1002 provided in an embodiment of the present invention is only shown for ease of description
Part related to the embodiment of the present invention, in which:
Receiving module 1201, for receiving a TS packet in transport stream.
The embodiment of the present invention is concurrently handled the packet of TS one by one in high code rate transport stream, and will be protected after treatment
The TS packet stayed is transmitted, at this point, TS packet forms new transport stream in transmission process one by one, and the transport stream has ranged
Low bit- rate transport stream, to realize that high code rate transmission flows to the conversion of low bit- rate transport stream.
Parsing module 1202 obtains the corresponding pid value of TS packet for parsing the packet header of the TS packet.
Judgment module 1203, for judging whether the TS packet is reported in filtration parameter according to the PID.
The embodiment of the present invention is different from the existing shape by recompiling using the filter type for filtering TS packet one by one
Formula changes the technology of TS code rate, and entire filter process expense is small, treatment effeciency is high, and can be realized will rapidly reduce high code rate TS
Code rate, thus user watch program when, high code rate TS can be realized real-time Transmission.
Embodiment 11:
The embodiment of the present invention provides a kind of digital TV in high resolution, including transmitting device, and described device is for receiving high code rate
Transport stream, and low code is transmitted after being filtered to the transport stream packets in high code rate transport stream according to the filter condition of user configuration
Rate transport stream is to digital TV in high resolution.
The embodiment of the present invention is the practice of above-described embodiment, and DTV at this time is integrated machine, i.e. transmitting device
It is installed together with DTV.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of transmission method of high code rate transport stream, which is characterized in that comprise the following specific steps that:
Receive high code rate transport stream；
According to the filter condition of user configuration, the transport stream packets in high code rate transport stream are filtered, obtain low bit- rate transmission
Stream；The filter condition specifically includes filtration parameter and filter type；The filtration parameter is used for identification transmission stream packet, the mistake
Filter mode includes white list filtering and blacklist filtering；The filter condition according to user configuration, in high code rate transport stream
Transport stream packets be filtered, obtain low bit- rate transport stream, specifically comprise the following steps:
Judge whether the transport stream packets in transport stream meet filtration parameter one by one；
When the filter type be white list filter when, retain meet the filtration parameter transport stream packets, abandon it is incongruent
Transport stream packets；
When the filter type be blacklist filter when, abandon meet the filtration parameter transport stream packets, retain it is incongruent
Transport stream packets,
Transmit low bit- rate transport stream.
2. the method as described in claim 1, which is characterized in that the filter type includes the filter type and use built in system
The customized filter type in family.
3. the method as described in claim 1, which is characterized in that the high code rate transport stream is serial input.
4. method as claimed in claim 3, which is characterized in that in the filter condition according to user configuration, to high code rate
Transport stream packets in transport stream are filtered, after obtaining low bit- rate transport stream, further includes:
Insertion abandons label in the transport stream packets being dropped.
5. the method as claimed in claim 3 or 4, which is characterized in that whether the transport stream packets judged in transport stream meet
Filtration parameter specifically comprises the following steps:
Receive a transport stream packets in the high code rate transport stream；
The packet header for parsing the transport stream packets obtains the corresponding pid value of the transport stream packets；
According to the PID, judge whether the transport stream packets are reported in filtration parameter.
6. a kind of transmitting device of high code rate transport stream characterized by comprising
Input unit, for receiving high code rate transport stream；
Filter element is filtered the transport stream packets in high code rate transport stream, obtains for the filter condition according to user configuration
To low bit- rate transport stream；The filter condition specifically includes filtration parameter and filter type；The filtration parameter is passed for identifying
Defeated stream packet, the filter type include white list filtering and blacklist filtering；The filter element specifically includes:
Judgment sub-unit, for judging whether the transport stream packets in transport stream meet filtration parameter one by one；
White list filters subelement, for when the filter type is that white list filters, reservation to meet the filtration parameter
Transport stream packets abandon incongruent transport stream packets；And
Blacklist filters subelement, for when the filter type is that blacklist filters, discarding to meet the filtration parameter
Transport stream packets retain incongruent transport stream packets,
Transmission unit transmits low bit- rate transport stream.
7. device as claimed in claim 6, which is characterized in that the filter type includes the filter type and use built in system
The customized filter type in family.
8. device as claimed in claim 6, which is characterized in that the device further include:
Tag unit, for the insertion discarding label in the transport stream packets being dropped.
9. device as claimed in claim 6, which is characterized in that the judgment sub-unit includes:
Receiving module, for receiving a transport stream packets in the high code rate transport stream；
Parsing module obtains the corresponding pid value of the transport stream packets for parsing the packet header of the transport stream packets；And
Judgment module, for judging whether the transport stream packets are reported in filtration parameter according to the PID.
10. a kind of digital TV in high resolution, which is characterized in that including the device as described in any one of claim 6 to 9, institute
Device is stated for receiving high code rate transport stream, and according to the filter condition of user configuration, to the transport stream in high code rate transport stream
After packet is filtered, transmission low bit- rate transport stream to digital TV in high resolution.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610058504.8A CN105578287B (en) | 2016-01-28 | 2016-01-28 | A kind of transmission method, device and the digital TV in high resolution of high code rate transport stream |
| PCT/CN2016/085331 WO2017128593A1 (en) | 2016-01-28 | 2016-06-08 | Method and device for processing high code rate transmission of digital television and high-definition digital television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610058504.8A CN105578287B (en) | 2016-01-28 | 2016-01-28 | A kind of transmission method, device and the digital TV in high resolution of high code rate transport stream |
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| CN105578287B true CN105578287B (en) | 2019-02-05 |
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| WO (1) | WO2017128593A1 (en) |
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| CN105578287B (en) * | 2016-01-28 | 2019-02-05 | 深圳国微技术有限公司 | A kind of transmission method, device and the digital TV in high resolution of high code rate transport stream |
| CN113315932B (en) * | 2021-04-02 | 2022-04-29 | 北京国际云转播科技有限公司 | Cloud rebroadcasting platform, unmanned hybrid interview system and method |
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| CN1725737A (en) * | 2004-07-22 | 2006-01-25 | 松下电器产业株式会社 | Transport stream processing apparatus |
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| JP2001160969A (en) * | 1999-12-01 | 2001-06-12 | Matsushita Electric Ind Co Ltd | Moving picture encoding device, moving picture transmitter and moving picture recorder |
| CN101720036B (en) * | 2009-12-15 | 2011-11-16 | 青岛海信宽带多媒体技术有限公司 | System for distributing DVB data to multiple users |
| CN105578287B (en) * | 2016-01-28 | 2019-02-05 | 深圳国微技术有限公司 | A kind of transmission method, device and the digital TV in high resolution of high code rate transport stream |
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2016
- 2016-01-28 CN CN201610058504.8A patent/CN105578287B/en active Active
- 2016-06-08 WO PCT/CN2016/085331 patent/WO2017128593A1/en active Application Filing
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| CN1567271A (en) * | 2003-06-19 | 2005-01-19 | 欧阳捷 | Conversion and acquisition method and apparatus of MPEG code with highspeed network interface |
| CN1725737A (en) * | 2004-07-22 | 2006-01-25 | 松下电器产业株式会社 | Transport stream processing apparatus |
| CN1750633A (en) * | 2004-09-16 | 2006-03-22 | 北京恒通视讯科技发展有限公司 | Medium server and method for realizing its route |
| CN103313104A (en) * | 2013-05-28 | 2013-09-18 | 广州中大电讯科技有限公司 | Digital television multiplexer remote control method based on Ethernet |
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| CN105578287A (en) | 2016-05-11 |
| WO2017128593A1 (en) | 2017-08-03 |
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