CN106534863A - Live video stream transcoding device - Google Patents
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- CN106534863A CN106534863A CN201610993439.8A CN201610993439A CN106534863A CN 106534863 A CN106534863 A CN 106534863A CN 201610993439 A CN201610993439 A CN 201610993439A CN 106534863 A CN106534863 A CN 106534863A
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- 238000003780 insertion Methods 0.000 claims abstract description 42
- 230000037431 insertion Effects 0.000 claims abstract description 42
- 238000012986 modification Methods 0.000 claims abstract description 42
- 230000004048 modification Effects 0.000 claims abstract description 42
- 230000006837 decompression Effects 0.000 claims abstract description 27
- 238000012545 processing Methods 0.000 claims abstract description 26
- 238000007499 fusion processing Methods 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- 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
- 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
- H04N19/467—Embedding additional information in the video signal during the compression process characterised by the embedded information being invisible, e.g. watermarking
-
- 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
- H04N21/4402—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 reformatting operations of video signals for household redistribution, storage or real-time display
-
- 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
- H04N21/4402—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 reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440218—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 reformatting operations of video signals for household redistribution, storage or real-time display by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4
-
- 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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
The invention discloses a live video stream transcoding device. The live video stream transcoding device comprises a live video processing module, an external data processing module, a control module and a processing module, wherein the live video processing module comprises an RTMP data input interface module, a decoding decompression module, a live video calibration module and a memory, the external data processing module comprises an external data access module, an external data conversion module, an external data coding module and a database, the control module comprises an external data insertion control module and a live video modification control module, and the processing module comprises a video fusion processing module, a playing video modification module and a playing video coding module. Through the device, live content of a live video is enriched, the content of the live video is convenient for people to narrate, variety and fun of the content of the live video are improved, the live video is convenient to watch, problems of single live video content and unsharp rough frames existing in traditional live videos can be solved, and live video quality is improved.
Description
Technical field
The present invention relates to net cast technical field, more particularly to a kind of net cast stream transcoding device.
Background technology
Net cast is referred to and is carried out using internet and stream media technology live, and video is because having merged image, word, sound
Etc. abundant element, excellent both in sound and shape, excellent, the main flow expression way of internet is increasingly becoming.Video is by true, lively
Propagate, build strong presence, attract eyeball, reach communication effect with deep impression, that memory is lasting.
Net cast circulation code is a significant process for realizing net cast, and traditional net cast circulation code is single
One video file by different-format and agreement is converted to the file of net cast communication, and effect is single can not be to video content
Modify, in order to improve the diversity of net cast content and rich, and video content is modified, need one kind
Net cast stream transcoding device.
The content of the invention
The invention aims to shortcoming present in prior art is solved, and a kind of net cast circulation code for proposing
Device.
To achieve these goals, present invention employs following technical scheme：
A kind of net cast stream transcoding device, including live video processing module, external data processing module, control module and place
Reason module, the live video processing module are demarcated by RTMP Data Input Interface modules, decoding decompression module, live video
Module and memory composition, the external data processing module is by exogenous data AM access module, exogenous data modular converter, the external world
Data coding module and database composition, the control module insert control module and live video modification control by exogenous data
Module is constituted, and the processing module is by video fusion processing module, broadcasting video modification module and plays video encoding module group
Into, the RTMP Data Input Interfaces module, decoding decompression module, live video demarcating module and memory are sequentially connected,
The exogenous data AM access module, exogenous data modular converter, exogenous data coding module and database are sequentially connected, described to regard
Frequency fusion treatment module respectively with memory, live video demarcating module, database, exogenous data coding module, exogenous data
Insertion control module and broadcasting video modification module connection, the broadcasting video modification module are controlled with live video modification respectively
Module, memory, database and broadcasting video encoding module connection, the memory insert control module with exogenous data respectively
With live video modification control module connection.
Preferably, the RTMP Data Input Interfaces module is used for the data of the live video for receiving RTMP communications protocol
Bag, the video code conversion of RTMP communications protocol is transmitted to data and decodes decompression module.
Preferably, the exogenous data AM access module is used to receive external data packet, and external data packet includes
Video data and photo information, external data packet is transmitted to exogenous data modular converter, the decoding decompression module
For the decoding decompression work of the packet of live video.
Preferably, the packet of the live video after the live video demarcating module is used to decode decompression enters rower
It is fixed, the progress addition timing table of comparisons of video is pressed to the packet of live video, and the timing table of comparisons is stored in memory,
The exogenous data modular converter is used for the decoding decompression work of external data packet.
Preferably, the external data packet decoded after decompression is carried out transcoding again by the exogenous data coding module
Work, the external data packet of different communications protocol is converted to and live video agreement identical packet, and by transcoding
External data packet afterwards is recorded, and is formed external data list and is stored in database, and external data list includes
List of videos and picture and text list.
Preferably, the exogenous data insertion control module is used to control the insertion of external data, forms inserting instruction, bag
Include the inserted mode instruction of external data selection instruction, the position command of insertion external data and external data.
Preferably, the live video data bag that the live video modification control module is used for after controlling insertion external data
Modification, formed modification instruction, including live video U.S. face instruction and watermark increase instruction.
Preferably, the video fusion processing module inserts the inserting instruction of control module according to exogenous data, according to outer
The position that the external data insertion that boundary's data selection instruction is chosen from database is formulated, and according to the inserted mode of external data
External data is inserted by way of setting by instruction, shows that insertion and barrage show insertion including full screen display insertion, bullet frame,
Eventually form the live video data bag that external data insertion is completed.
Preferably, the video encoding module of playing is instructed to straight according to the modification that live video modification control module sends
Broadcast that video data bag carries out U.S. face and watermark increases modification.
Preferably, the live video data bag after process is compressed coding by the broadcasting video encoding module, is formed
Live video file.
Beneficial effects of the present invention：
1st, the input decoding decompression of external data by the external data processing module for arranging, is realized, and by difference
The external data file of agreement is converted to and live video file protocol identical packet, and is carried out record to packet and stepped on
Note, forms external data database, and the convenient different types of external data of insertion in live video enriches live video
Live content；
2nd, by the live video processing module for arranging, the real-time mark of live video file is realized, by live video file
It is corresponding with time list, conveniently external data is inserted in any position in inside of live video file, improve outside live video
The flexibility of boundary data insertion, facilitates explanation of the personnel to live video content, improve live video content diversity and
Interest, is easy to viewing personnel to watch；
3rd, by the insertion control module that arranges and processing module, realize live video and external data insertion fusion and
The modification of live video content, the traditional live video content of change is single, the coarse unsharp situation of picture, improves live regarding
The quality of frequency.
Description of the drawings
Fig. 1 is a kind of structural representation of net cast stream transcoding device proposed by the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.
With reference to Fig. 1, a kind of net cast stream transcoding device, including live video processing module, external data processing module,
Control module and processing module, live video processing module is by RTMP Data Input Interface modules, decoding decompression module, live
Video demarcating module and memory composition, external data processing module by exogenous data AM access module, exogenous data modular converter,
Exogenous data coding module and database composition, control module insert control module and live video modification control by exogenous data
Module is constituted, and processing module is made up of video fusion processing module, broadcasting video modification module and broadcasting video encoding module,
RTMP Data Input Interface modules, decoding decompression module, live video demarcating module and memory are sequentially connected, exogenous data
AM access module, exogenous data modular converter, exogenous data coding module and database are sequentially connected, video fusion processing module point
Control module is not inserted with memory, live video demarcating module, database, exogenous data coding module, exogenous data and broadcast
Put video modification module connection, play video modification module respectively with live video modification control module, memory, database and
Video encoding module connection is played, memory inserts control module respectively with exogenous data and live video modification control module connects
Connect.
RTMP Data Input Interfaces module is used for the packet of the live video for receiving RTMP communications protocol, and RTMP is communicated
The video code conversion of agreement is transmitted to data and decodes decompression module, and exogenous data AM access module is used to receive external data data
Bag, external data packet include video data and photo information, external data packet are transmitted to exogenous data modulus of conversion
Block, decoding decompression module is used for the decoding decompression work of packet of live video, and live video demarcating module is used to solve
The packet of the live video after code decompression is demarcated, and presses the progress addition timing pair of video to the packet of live video
According to table, and the timing table of comparisons is stored in memory, exogenous data modular converter is used for the decoding solution of external data packet
The external data packet decoded after decompression is carried out transcoding work again by compression work, exogenous data coding module, will not
Be converted to and live video agreement identical packet with the external data packet of communications protocol, and the external world after transcoding is provided
Material packet is recorded, and is formed external data list and is simultaneously stored in database, external data list include list of videos and
Picture and text list, exogenous data insertion control module are used to control the insertion of external data, form inserting instruction, including external data
The inserted mode instruction of selection instruction, the position command of insertion external data and external data, live video modification control mould
Block forms modification and instructs for controlling the modification of the live video data bag after insertion external data, including live video U.S. face
Instruction and watermark increase instruction, and video fusion processing module inserts the inserting instruction of control module according to exogenous data, according to outer
The position that the external data insertion that boundary's data selection instruction is chosen from database is formulated, and according to the inserted mode of external data
External data is inserted by way of setting by instruction, shows that insertion and barrage show insertion including full screen display insertion, bullet frame,
The live video data bag that external data insertion is completed is eventually formed, video encoding module is played and is controlled according to live video modification
U.S. face is carried out to live video data bag for the modification instruction that module sends and watermark increases modification, plays video encoding module and will locate
Live video data bag after reason is compressed coding, forms live video file.
In the present invention, external data is entered from exogenous data input interface module, is transmitted to exogenous data modular converter, will
External data original carries out decoding decompression and is condensed to external data packet, and then different communications are assisted by exogenous data coding module
The exogenous data packet of view is converted to and live video agreement identical packet, and by the exogenous data packet after transcoding
Recorded, form exogenous data list of videos and picture and text list and be stored in database；Live video is defeated from RTMP data
Incoming interface module is entered, and then by decoding decompression module, live video original is carried out decoding decompression and is condensed to live regarding
The packet of live video is demarcated by frequency packet, live video demarcating module, presses video to the packet of live video
The progress addition timing table of comparisons, and the timing table of comparisons is stored in memory, video fusion processing module is according to extraneous number
The inserting instruction of exogenous data is sent according to insertion control module, exogenous data insertion is carried out to live video, referred to during insertion and deposit
The insertion position of the timing table of comparisons and exogenous data insertion control module setting in reservoir, selects the insertion position of exogenous data
Put, the video of the exogenous data of the exogenous data selection instruction and database purchase of control module setting is inserted according to exogenous data
List and picture and text list, select corresponding exogenous data, then according to exogenous data insertion control module setting inserted mode
Instruction, data are inserted to external world, final video fusion treatment module inserting according to setting by exogenous data and live video
Entering instruction carries out merging forming new live video data bag, and new live video data bag Jing plays the place of video modification module
Reason forms last played file, plays video modification module right according to the modification instruction that live video changes control module setting
New live video data bag carries out U.S. face modification and watermark increases modification, insertion different type of the design in live video
External data, enrich the live content of live video, facilitate explanation of the personnel to live video content, improve live regarding
The diversity and interest of frequency content, is easy to viewing personnel to watch, and the traditional live video content of change is single, picture is coarse unclear
Clear situation, improves the quality of live video.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, should all be included within the scope of the present invention.
Claims (10)
1. a kind of net cast stream transcoding device, including live video processing module, external data processing module, control module and
Processing module, it is characterised in that：The live video processing module is by RTMP Data Input Interface modules, decoding decompression mould
Block, live video demarcating module and memory composition, the external data processing module is by exogenous data AM access module, extraneous number
According to modular converter, exogenous data coding module and database constitute, the control module by exogenous data insertion control module and
Live video modification control module composition, the processing module is by video fusion processing module, broadcasting video modification module and broadcasts
Put video encoding module composition, the RTMP Data Input Interfaces module, decoding decompression module, live video demarcating module and
Memory is sequentially connected, the exogenous data AM access module, exogenous data modular converter, exogenous data coding module and database
It is sequentially connected, the video fusion processing module is compiled with memory, live video demarcating module, database, exogenous data respectively
Code module, exogenous data insertion control module and play video modification module connection, it is described broadcasting video modification module respectively with
Live video modification control module, memory, database and play video encoding module connection, the memory respectively with the external world
Data insert control module and live video modification control module connection.
2. a kind of net cast stream transcoding device according to claim 1, it is characterised in that the RTMP data inputs connect
Mouth mold block is used for the packet of the live video for receiving RTMP communications protocol, and the video code conversion of RTMP communications protocol is transmitted to number
According to decoding decompression module.
3. a kind of net cast stream transcoding device according to claim 1, it is characterised in that the exogenous data accesses mould
Block is used to receive external data packet, and external data packet includes video data and photo information, by external data data
Bag is transmitted to exogenous data modular converter, and the decoding decompression module is used for the decoding decompression work of the packet of live video
Make.
4. a kind of net cast stream transcoding device according to claim 1, it is characterised in that the live video calibration mold
Block is used to decode the packet of the live video after decompressing and is demarcated, and the packet of live video is added by the progress of video
Plus the timing table of comparisons, and the timing table of comparisons is stored in memory, the exogenous data modular converter is used for external data number
According to the decoding decompression work of bag.
5. a kind of net cast stream transcoding device according to claim 1, it is characterised in that the exogenous data encodes mould
The external data packet decoded after decompression is carried out transcoding work again by block, by the external data data of different communications protocol
Bag is converted to and live video agreement identical packet, and the external data packet after transcoding is recorded, and forms outer
Boundary's tabulation of date is simultaneously stored in database, and external data list includes list of videos and picture and text list.
6. a kind of net cast stream transcoding device according to claim 1, it is characterised in that the exogenous data insertion control
Molding block is used for the insertion for controlling external data, formation inserting instruction, including external data selection instruction, insertion external data
The inserted mode instruction of position command and external data.
7. a kind of net cast stream transcoding device according to claim 1, it is characterised in that the live video modification control
Molding block forms modification and instructs, including live video for controlling the modification of the live video data bag after insertion external data
U.S. face instruction and watermark increase instruction.
8. a kind of net cast stream transcoding device according to claim 1, it is characterised in that the video fusion processes mould
Root tuber inserts the inserting instruction of control module according to exogenous data, according to the external world that external data selection instruction is chosen from database
Data inserts the position formulated, and external data is inserted by way of setting by the inserted mode instruction according to external data,
Including full screen display insertion, play frame and show that insertion and barrage show insertion, eventually form that external data insertion completes live regards
Frequency packet.
9. a kind of net cast stream transcoding device according to claim 1, it is characterised in that the broadcasting Video coding mould
Root tuber changes according to live video that the modification instruction that control module sends carries out U.S. face to live video data bag and watermark increases and repaiies
Change.
10. a kind of net cast stream transcoding device according to claim 1, it is characterised in that the broadcasting Video coding
Live video data bag after process is compressed coding by module, forms live video file.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610993439.8A CN106534863A (en) | 2016-11-11 | 2016-11-11 | Live video stream transcoding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610993439.8A CN106534863A (en) | 2016-11-11 | 2016-11-11 | Live video stream transcoding device |
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| Publication Number | Publication Date |
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| CN106534863A true CN106534863A (en) | 2017-03-22 |
Family
ID=58350595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610993439.8A Pending CN106534863A (en) | 2016-11-11 | 2016-11-11 | Live video stream transcoding device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108200447A (en) * | 2018-01-15 | 2018-06-22 | 北京金山云网络技术有限公司 | Live data transmission method, device, electronic equipment, server and storage medium |
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Application publication date: 20170322 |