CN106792123A - Dynamic station symbol embedded system and method - Google Patents
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- CN106792123A CN106792123A CN201611191372.2A CN201611191372A CN106792123A CN 106792123 A CN106792123 A CN 106792123A CN 201611191372 A CN201611191372 A CN 201611191372A CN 106792123 A CN106792123 A CN 106792123A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000013480 data collection Methods 0.000 claims abstract description 100
- 238000005538 encapsulation Methods 0.000 claims abstract description 10
- 239000012141 concentrate Substances 0.000 claims abstract description 5
- 238000003780 insertion Methods 0.000 claims description 15
- 230000037431 insertion Effects 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 241001269238 Data Species 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 8
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- 238000005516 engineering process Methods 0.000 description 3
- 239000003086 colorant Substances 0.000 description 2
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- 238000004364 calculation method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
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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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
- H04N21/4341—Demultiplexing of audio and video streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/46—Embedding additional information in the video signal during the compression process
-
- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/44016—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving splicing one content stream with another content stream, e.g. for substituting a video clip
-
- 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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/643—Communication protocols
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- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
The invention provides dynamic station symbol embedded system and method, the transport stream TS being input into by UDP UDP demultiplex and obtains video primary flow ES data and audio primary flow ES data；Video ES data and audio ES data decode and obtains YUV video data collection and audio PCM data collection；Dynamic station symbol image sequence collection is embedded into YUV video data to concentrate, so as to obtain being embedded in the YUV video data collection of picture；The YUV video data collection and audio PCM data collection of embedded picture encode and obtain audio frequency and video ES data；Audio frequency and video ES data are entered into row format encapsulation, and is sent by UDP, so that the dynamic station symbol picture of output has the advantages that picture is smooth and image quality is high.
Description
Technical field
The present invention relates to video technique field, more particularly, to dynamic station symbol embedding grammar and system.
Background technology
In internet live broadcast service, the result of broadcast of dynamic station symbol is reached, generally rely on web displaying technology, will regarded
Frequency picture figure layer is overlapped with station symbol figure layer.And the object that live transcoding is used is not only live comprising internet, while including
The business such as TV, mobile phone, due to playing the difference of main body, the dynamic station symbol embedded technology based on webpage can not be used completely
Various scenes.
In addition, dynamic GIF (Graphics Interchange Format) picture can be added in video data, but
It is that GIF pictures are lossy compression method, GIF only supports that 256 colors, therefore its display effect can also be greatly affected.
The content of the invention
In view of this, it is an object of the invention to provide dynamic station symbol embedding grammar and system, it is adaptable to various platforms, make
The dynamic station symbol picture of output has the advantages that picture is smooth and image quality is high.
In a first aspect, the embodiment of the invention provides dynamic station symbol embedded system, the system includes：Demultiplexing module,
Decoder module, station symbol insertion module, coding module and Multiplexing module；
The demultiplexing module, be connected with the decoder module, for will be input into by UDP UDP
Transport stream TS demultiplex and obtains video primary flow ES data and audio primary flow ES data；
The decoder module, is connected, for by the video ES data and audio ES number with station symbol insertion module
YUV video data collection and audio pulse code modulation PCM data collection are obtained according to decode；
The station symbol is embedded in module, is connected with the coding module, for dynamic station symbol image sequence collection to be embedded into
The YUV video data is concentrated, so as to obtain being embedded in the YUV video data collection of picture；
The coding module, is connected with the decoder module, for by the YUV video data collection of the embedded picture and
Audio PCM data collection encode and obtains audio frequency and video ES data；
Multiplexing module, is connected with the coding module, for the audio frequency and video ES data to be entered into row format encapsulation, and leads to
The UDP is crossed to send.
With reference in a first aspect, the embodiment of the invention provides the first possible implementation method of first aspect, wherein, institute
Stating dynamic station symbol image sequence collection includes the picture of multiple continuous pictures, and the YUV video data collection includes multiple YUV video numbers
According to the station symbol insertion module is additionally operable to for each picture to enter row format conversion respectively, obtains each picture correspondence
Picture yuv data, the corresponding picture yuv data of each described picture is added in corresponding YUV video data respectively, from
And obtain being embedded in the YUV video data collection of the picture.
With reference in a first aspect, the embodiment of the invention provides second possible implementation method of first aspect, wherein, institute
Stating decoder module includes Video decoding module；
The Video decoding module, is connected, with the demultiplexing module and station symbol insertion module for inciting somebody to action respectively
The video ES data decode and obtains the YUV video data collection.
With reference to second possible implementation method of first aspect, the embodiment of the invention provides the 3rd of first aspect
Possible implementation method is planted, wherein, the decoder module also includes audio decoder module；
The audio decoder module, is connected with the demultiplexing module, for the audio ES data to be decoded
Obtain the audio PCM data collection.
With reference in a first aspect, the embodiment of the invention provides the 4th kind of possible implementation method of first aspect, wherein, institute
Stating coding module includes video encoding module and audio coding module；
The coding module is additionally operable to the YUV video data collection of the embedded picture and the audio PCM data collection point
By the video encoding module and the audio coding module encode and obtain the audio frequency and video ES data.
Second aspect, the embodiment of the present invention also provides dynamic station symbol embedding grammar, and methods described includes：
The transport stream TS being input into by UDP UDP demultiplex and obtains video primary flow ES data and sound
Frequency primary flow ES data；
The video ES data and audio ES data decode and obtains YUV video data collection and audio pulse code tune
PCM data collection processed；
Dynamic station symbol image sequence collection is embedded into the YUV video data to concentrate, so as to obtain being embedded in the video of picture
Yuv data collection；
The YUV video data collection of the embedded picture and audio PCM data collection encode and obtains audio frequency and video ES data；
The audio frequency and video ES data are entered into row format encapsulation, and is sent by the UDP.
With reference to second aspect, the first possible implementation method of second aspect is the embodiment of the invention provides, wherein, institute
Stating dynamic station symbol image sequence collection includes the picture of multiple continuous pictures, and the YUV video data collection includes multiple YUV video numbers
According to, it is described that dynamic station symbol image sequence collection is embedded into the YUV video data concentration, so as to obtain being embedded in the video of picture
Yuv data collection includes：
Each described picture is entered into row format conversion respectively, the corresponding picture yuv data of each described picture is obtained；
The corresponding picture yuv data of each described picture is added in corresponding YUV video data respectively, so as to obtain
The YUV video data collection of the insertion picture.
With reference to second aspect, second possible implementation method of second aspect is the embodiment of the invention provides, wherein, institute
State by the video ES data and audio ES data decode and obtain YUV video data collection and audio pulse code modulation PCM
Data set includes：
The video ES data by Video decoding module decode and obtains the YUV video data collection.
With reference to second possible implementation method of second aspect, the third of second aspect is the embodiment of the invention provides
Possible implementation method, wherein, it is described the video ES data and audio ES data decode obtain YUV video data collection
Include with audio pulse code modulation PCM data collection：
The audio ES data by audio decoder module decode and obtains the audio PCM data collection.
With reference to second aspect, the 4th kind of possible implementation method of second aspect is the embodiment of the invention provides, wherein, institute
State by the YUV video data collection of the embedded picture and audio PCM data collection encode and obtain audio frequency and video ES data and include：
The YUV video data collection of the embedded picture and the audio PCM data collection are passed through into the Video coding respectively
Module and the audio coding module encode and obtain the audio frequency and video ES data.
Dynamic station symbol embedded system and method are the embodiment of the invention provides, is input into by UDP UDP
Transport stream TS demultiplex and obtains video primary flow ES data and audio primary flow ES data；By video ES data and audio ES
Data decode and obtain YUV video data collection and audio PCM data collection；Dynamic station symbol image sequence collection is embedded into video
Yuv data is concentrated, so as to obtain being embedded in the YUV video data collection of picture；By the YUV video data collection and audio of embedded picture
PCM data collection encode and obtains audio frequency and video ES data；Audio frequency and video ES data are entered into row format encapsulation, and is sent by UDP, from
And the dynamic station symbol picture of output is had the advantages that picture is smooth and image quality is high.
Other features and advantages of the present invention will be illustrated in the following description, also, the partly change from specification
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages are in specification, claims
And specifically noted structure is realized and obtained in accompanying drawing.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
In order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art, below will be to specific
The accompanying drawing to be used needed for implementation method or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the dynamic station symbol embedded system schematic diagram that the embodiment of the present invention one is provided；
Fig. 2 is the dynamic station symbol image sequence collection schematic diagram that the embodiment of the present invention one is provided；
Fig. 3 is the dynamic station symbol insertion schematic flow sheet that the embodiment of the present invention one is provided；
Fig. 4 is the dynamic station symbol embedding grammar flow chart that the embodiment of the present invention two is provided.
Icon：
10- demultiplexing modules；20- decoder modules；21- Video decoding modules；22- audio decoder modules；30- station symbols are embedded in
Module；40- coding modules；41- video encoding modules；42- audio coding modules；50- Multiplexing modules.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Technical scheme be clearly and completely described, it is clear that described embodiment is a part of embodiment of the invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
For ease of understanding the present embodiment, the embodiment of the present invention is described in detail below.
Embodiment one：
Fig. 1 is the dynamic station symbol embedded system schematic diagram that the embodiment of the present invention one is provided.
Reference picture 1, the system includes demultiplexing module 10, decoder module 20, station symbol insertion module 30, the and of coding module 40
Multiplexing module 50；
Decoder module 20 includes Video decoding module 21 and audio decoder module 22, and coding module 40 includes Video coding mould
Block 41 and audio coding module 42.
Demultiplexing module 10, is connected with decoder module 20, for will be by UDP (User
Datagram Protocol, UDP) transport stream TS of input demultiplex and obtains video primary flow ES data and audio is original
Stream (Elementary Streams, ES) data；
Decoder module 20, is connected, for by the video ES data and audio ES number with station symbol insertion module 30
YUV video data collection and audio pulse code modulation (Pulse Code Modulation, PCM) data are obtained according to decode
Collection；
Station symbol is embedded in module 30, is connected with coding module 40, described for dynamic station symbol image sequence collection to be embedded into
YUV video data is concentrated, so as to obtain being embedded in the YUV video data collection of picture；
Here, the picture that dynamic station symbol image sequence is concentrated is sequentially embedded YUV video data collection according to embedding method
In.
Specifically, YUV is also referred to as YCbCr, and brightness, aberration color space video signal, are a kind of colour-video signals
The form of transmission.Wherein, " Y " represents lightness (Luminance or Luma), that is, grey decision-making；And " U " and " V " is represented
It is then colourity (Chrominance or Chroma), effect is description colors of image and saturation degree, for the color of specified pixel.
Coding module 40, is connected with the decoder module 20, for by the YUV video data collection of the embedded picture and
Audio PCM data collection encode and obtains audio frequency and video ES data；
Multiplexing module 50, is connected with the coding module 40, for the audio frequency and video ES data to be entered into row format encapsulation,
And sent by UDP.
Here, audio frequency and video ES data are packaged into TS encapsulation format, then send output using UDP.
Further, dynamic station symbol image sequence collection includes the picture of multiple continuous pictures, and YUV video data collection includes many
Individual YUV video data, station symbol insertion module 30 is additionally operable to that each picture is entered row format conversion respectively, obtains each picture correspondence
Picture yuv data, the corresponding picture yuv data of each picture is added in corresponding YUV video data respectively, thus
To the YUV video data collection of the insertion picture.
Here, dynamic station symbol image sequence collection includes the picture of multiple continuous pictures, specifically can refer to Fig. 2, dynamic station symbol
Image sequence collection includes picture 1, picture 2 and picture 3, and the naming rule that dynamic station symbol image sequence integrates is xx_n. suffix, picture
1 corresponding xx_1. suffix, the corresponding xx_2. suffix of picture 2, the corresponding xx_3. suffix of picture 3, the like.Dynamic station symbol image sequence
Row set exists in a file mode, i.e., dynamic station symbol file.
YUV video data collection includes multiple YUV video datas, the specially data of YUV video 1, the data of YUV video 2, video
YUV3 data ... YUV video n data, specifically can refer to Fig. 3, from dynamic station symbol file select Fig. 1 .png, Fig. 2 .png ...
Figure n.png, row format of going forward side by side conversion, obtain the corresponding picture YUV1 data of picture, picture YUV2 ... data display YUVn numbers
According to, by picture YUV1 data, picture YUV2 ... data display YUVn data are added to the data video YUV2 numbers of YUV video 1 respectively
According to ... in YUV video n data, so as to constitute dynamic station symbol.
Further, the decoder module 20 includes Video decoding module 21；
Video decoding module 21, is connected, with demultiplexing module 10 and station symbol insertion module 30 for that will regard respectively
Frequency ES data decode and obtain YUV video data collection.
Further, decoder module 20 also includes audio decoder module 22；
Audio decoder module 22, is connected with demultiplexing module 10, for by audio ES data decode obtaining audio
PCM data collection.
Further, coding module 40 includes video encoding module 41 and audio coding module 42；
Coding module 40 is additionally operable to for the YUV video data collection and audio PCM data collection of embedded picture to pass through video respectively
Coding module 41 and audio coding module 42 encode and obtain audio frequency and video ES data.
Embodiment two：
Fig. 4 is the dynamic station symbol embedding grammar flow chart that the embodiment of the present invention two is provided.
Reference picture 4, the method is comprised the following steps：
Step S101, the transport stream TS being input into by UDP UDP demultiplex and obtains video primary flow
ES data and audio primary flow ES data；
Step S102, video ES data and audio ES data decode obtains YUV video data collection and audio PCM numbers
According to collection；
Step S103, is embedded into dynamic station symbol image sequence collection the YUV video data and concentrates, so as to obtain being embedded in figure
The YUV video data collection of piece；
Step S104, the YUV video data collection of the embedded picture and audio PCM data collection encode obtains sound and regards
Frequency ES data；
The audio frequency and video ES data are entered row format encapsulation, and send by the UDP by step S105.
Further, the dynamic station symbol image sequence collection includes the picture of multiple continuous pictures, the YUV video data
Collection includes multiple YUV video datas, described that dynamic station symbol image sequence collection is embedded into the YUV video data concentration, so that
The YUV video data collection for obtaining being embedded in picture includes：
Each described picture is entered into row format conversion respectively, the corresponding picture yuv data of each described picture is obtained；
The corresponding picture yuv data of each described picture is added in corresponding YUV video data respectively, so as to obtain
The YUV video data collection of the insertion picture.
Further, it is described the video ES data and audio ES data decode obtain YUV video data collection and
Audio pulse code modulation PCM data collection includes：
The video ES data by Video decoding module decode and obtains the YUV video data collection.
Further, it is described the video ES data and audio ES data decode obtain YUV video data collection and
Audio pulse code modulation PCM data collection includes：
The audio ES data by audio decoder module decode and obtains the audio PCM data collection.
Further, it is described to be encoded the YUV video data collection of the embedded picture and audio PCM data collection
Audio frequency and video ES data include：
The YUV video data collection of the embedded picture and the audio PCM data collection are passed through into video encoding module respectively
With audio coding module encode and obtain the audio frequency and video ES data.
Dynamic station symbol embedded system and method are the embodiment of the invention provides, is input into by UDP UDP
Transport stream TS demultiplex and obtains video primary flow ES data and audio primary flow ES data；By video ES data and audio ES
Data decode and obtain YUV video data collection and audio PCM data collection；Dynamic station symbol image sequence collection is embedded into video
Yuv data is concentrated, so as to obtain being embedded in the YUV video data collection of picture；By the YUV video data collection and audio of embedded picture
PCM data collection encode and obtains audio frequency and video ES data；Audio frequency and video ES data are entered into row format encapsulation, and is sent by UDP, from
And the dynamic station symbol picture of output is had the advantages that picture is smooth and image quality is high.
The computer program product that the embodiment of the present invention is provided, including store the computer-readable storage of program code
Medium, the instruction that described program code includes can be used to perform the method described in previous methods embodiment, and implementing to join
See embodiment of the method, will not be repeated here.
It is apparent to those skilled in the art that, for convenience and simplicity of description, the system of foregoing description
With the specific work process of device, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In addition, in the description of the embodiment of the present invention, unless otherwise clearly defined and limited, term " installation ", " phase
Company ", " connection " should be interpreted broadly, for example, it may be being fixedly connected, or being detachably connected, or be integrally connected；Can
Being to mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
Two connections of element internal.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
If the function is to realize in the form of SFU software functional unit and as independent production marketing or when using, can be with
Storage is in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used to so that a computer equipment (can be individual
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify describe, rather than indicate imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
Finally it should be noted that：Embodiment described above, specific embodiment only of the invention, is used to illustrate the present invention
Technical scheme, rather than its limitations, protection scope of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those within the art that：Any one skilled in the art
The invention discloses technical scope in, it can still modify to the technical scheme described in previous embodiment or can be light
Change is readily conceivable that, or equivalent is carried out to which part technical characteristic；And these modifications, change or replacement, do not make
The essence of appropriate technical solution departs from the spirit and scope of embodiment of the present invention technical scheme, should all cover in protection of the invention
Within the scope of.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
1. a kind of dynamic station symbol embedded system, it is characterised in that the system includes：Demultiplexing module, decoder module, station symbol are embedding
Enter module, coding module and Multiplexing module；
The demultiplexing module, is connected with the decoder module, for the transmission that will be input into by UDP UDP
Stream TS demultiplex and is obtained video primary flow ES data and audio primary flow ES data；
The decoder module, is connected, with station symbol insertion module for the video ES data and audio ES data to be entered
Row decoding obtains YUV video data collection and audio pulse code modulation PCM data collection；
The station symbol is embedded in module, is connected with the coding module, described for dynamic station symbol image sequence collection to be embedded into
YUV video data is concentrated, so as to obtain being embedded in the YUV video data collection of picture；
The coding module, is connected with the decoder module, for by the YUV video data collection and audio of the embedded picture
PCM data collection encode and obtains audio frequency and video ES data；
Multiplexing module, is connected with the coding module, for the audio frequency and video ES data to be entered into row format encapsulation, and by institute
State UDP transmissions.
2. dynamic station symbol embedded system according to claim 1, it is characterised in that the dynamic station symbol image sequence Ji Bao
The picture of multiple continuous pictures is included, the YUV video data collection includes multiple YUV video datas, and the station symbol insertion module is also
For each described picture to be entered into row format conversion respectively, the corresponding picture yuv data of each described picture is obtained, by each institute
State the corresponding picture yuv data of picture to be added to respectively in corresponding YUV video data, so as to obtain being embedded in regarding for the picture
Frequency yuv data collection.
3. dynamic station symbol embedded system according to claim 1, it is characterised in that the decoder module includes video decoding
Module；
The Video decoding module, is connected, for by described in the demultiplexing module and station symbol insertion module respectively
Video ES data decode and obtains the YUV video data collection.
4. dynamic station symbol embedded system according to claim 3, it is characterised in that the decoder module also includes audio solution
Code module；
The audio decoder module, is connected with the demultiplexing module, for the audio ES data to be decoded
The audio PCM data collection.
5. dynamic station symbol embedded system according to claim 1, it is characterised in that the coding module includes Video coding
Module and audio coding module；
The coding module is additionally operable to respectively lead to the YUV video data collection of the embedded picture and the audio PCM data collection
Crossing the video encoding module and the audio coding module encode and obtains the audio frequency and video ES data.
6. a kind of dynamic station symbol embedding grammar, it is characterised in that methods described includes：
The transport stream TS being input into by UDP UDP demultiplex and obtains video primary flow ES data and audio original
Begin stream ES data；
The video ES data and audio ES data decode and obtains YUV video data collection and audio pulse code modulation
PCM data collection；
Dynamic station symbol image sequence collection is embedded into the YUV video data to concentrate, so as to obtain being embedded in the YUV video number of picture
According to collection；
The YUV video data collection of the embedded picture and audio PCM data collection encode and obtains audio frequency and video ES data；
The audio frequency and video ES data are entered into row format encapsulation, and is sent by the UDP.
7. dynamic station symbol embedding grammar according to claim 6, it is characterised in that the dynamic station symbol image sequence Ji Bao
The picture of multiple continuous pictures is included, the YUV video data collection includes multiple YUV video datas, described by dynamic station symbol image
Sequence sets are embedded into the YUV video data and concentrate, so as to the YUV video data collection for obtaining being embedded in picture includes：
Each described picture is entered into row format conversion respectively, the corresponding picture yuv data of each described picture is obtained；
The corresponding picture yuv data of each described picture is added in corresponding YUV video data respectively, so as to be embedded in
The YUV video data collection of the picture.
8. dynamic station symbol embedding grammar according to claim 6, it is characterised in that described by the video ES data and sound
Frequency ES data decode and obtain YUV video data collection and audio pulse code modulation PCM data collection and include：
The video ES data by Video decoding module decode and obtains the YUV video data collection.
9. dynamic station symbol embedding grammar according to claim 8, it is characterised in that described by the video ES data and sound
Frequency ES data decode and obtain YUV video data collection and audio pulse code modulation PCM data collection and include：
The audio ES data by audio decoder module decode and obtains the audio PCM data collection.
10. dynamic station symbol embedding grammar according to claim 6, it is characterised in that the regarding the embedded picture
Frequency yuv data collection and audio PCM data collection encode and obtain audio frequency and video ES data and include：
The YUV video data collection of the embedded picture and the audio PCM data collection are passed through into video encoding module and sound respectively
Frequency coding module encode and obtains the audio frequency and video ES data.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611191372.2A CN106792123A (en) | 2016-12-20 | 2016-12-20 | Dynamic station symbol embedded system and method |
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