CN110519641A - A kind of the video fusion transmission exchange system and method for multi-source multi-protocols - Google Patents
A kind of the video fusion transmission exchange system and method for multi-source multi-protocols Download PDFInfo
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- 230000004927 fusion Effects 0.000 title claims abstract description 20
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- 238000005538 encapsulation Methods 0.000 claims description 10
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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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
- H04N21/44—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
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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]
- H04N21/60—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
- H04N21/6437—Real-time Transport Protocol [RTP]
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- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Telephonic Communication Services (AREA)
Abstract
The invention discloses a kind of video fusion transmission exchange system of multi-source multi-protocols and methods, including video acquisition module, video to return source module, content distribution module, request scheduling module.The present invention is by acquiring different video sources, parse different transmission control protocols, United Dispatching and distribution server resource and Internet resources, dynamic splicing is carried out to different video picture, realize that the across a network of transmission of video penetrates, realize net cast, video on demand, safety monitoring, video conference, video intercom, video-splicing, the business such as video playback carry out unified exchange transmission, realize the unified management transmitted to different video business tine, complete the equipment to transmission of video, resource, network, experience and manage unified requirement, final realize is reducingd the construction costs, it improves efficiency of operation and promotes the purpose of user experience.
Description
Technical field
The present invention relates to a kind of transmission of the video fusion of video data processing technology field more particularly to multi-source multi-protocols to hand over
Change system and method.
Background technique
As network bandwidth is rapidly promoted, mobile network's high speed Internet access is also become increasingly popular, use of the user to video traffic
Range is more and more extensive, and common scene includes mobile phone live streaming, video conference, video monitoring, video intercommunication, Screen sharing, video
The business such as program request, net cast.Since every kind of video traffic has its special technical requirements, such as using different equipment, volume
Code format, transmission network and agreement etc., existing solution are passed for every kind of a set of independent video of video traffic construction
Defeated system, this will lead to more set Video transmission systems and deposits, there is high construction cost, maintenance difficulties greatly, resource can not be multiplexed,
The problems such as user experience is poor.
Summary of the invention
The purpose of the present invention is to provide a kind of video fusion transmission exchange system of multi-source multi-protocols and methods, to solve
The deficiencies in the prior art.
The present invention is implemented by following technical solution: a kind of video fusion transmission exchange system of multi-source multi-protocols, including view
Frequency acquisition module, video return source module, content distribution module, request scheduling module, in which:
Video acquisition module is responsible for being acquired parsing to the video flowing of separate sources, different agreement, Resealing, is converted to
The TS format of standard is published to video by http protocol and returns in source module；
Video returns source module, is responsible for TS stream ID that video acquisition module issue and stream address progress mapping storage, when there is request
When, it inquires the publication address of video flowing and is sent to requesting party；And it requires to judge whether to need in video according to order parameter
Hold and carries out recording and storing；
Video distribution module goes back to the stream address that source module obtains according to from video, by actively according to the request of request scheduling module
The request and distribution of video streaming content are carried out with passive mode；
Request scheduling module responds the video content request instruction of terminal, parses playing request order parameter.
Further, the separate sources of the video acquisition module acquisition, the video flowing of different agreement include:
It supports acquisition video stream protocol: 1. supporting the live telecast stream of UDP unicast or multicast agreement；2. support ONVIF agreement,
The network monitoring camera head of GB/T28181 agreement；3. supporting the conference terminal of Session Initiation Protocol；4. supporting RTSP real-time streaming transport association
View；5. supporting RTMP real-time messages transport protocol；6. supporting RTP/RTCP real-time transport protocol；
Support to a variety of encapsulation format video acquisitions: 1. TS is encapsulated；2. MP4 is encapsulated；3. FLV is encapsulated.
Further, for the video distribution module according to actual request order parameter, judgement is the request of live video stream
Still history video is reviewed, video data need to be obtained from recording and storing system if it is playback history video.
Further, the video distribution module is spliced video streaming content in distribution according to parameter request, is taken turns
Inquiry, transcoding, sectioning.
Further, the playing request order parameter of the request scheduling module parsing supports RTMP, HLS, HTTP, RTSP
Agreement.
Further, the request scheduling module presses TS, FLV encapsulation format for pushing video streaming to terminal.
A kind of video fusion transmission switching method of multi-source multi-protocols, including video acquisition grade Stored Procedure, client view
Frequency playing request process, in which:
Video acquisition grade Stored Procedure includes:
11) it configures video acquisition source address, grab type, record switch；
12) it after video acquisition starting, gets video diffluence and is encapsulated as naked stream ES packet, ES is encapsulated as TS packet；
13) video source address, the TS packet storage inside address, recording and storing address for saving acquisition, save three's mapping relations；
14) client request real time streaming video acquires, then transfers to next module to handle real-time TS stream；If client is asked
What is asked is playback history recorded video, then reads TS stream from recorded video library, transfer to next resume module；If do not acquired
Request, just loses the data of acquisition；
Client video playing request process include:
21) client initiates video playing instruction request；
22) play instruction is parsed, judges to play type, executes following steps a) or b):
A) if it is real-time video is played, instruction need to be assigned to acquisition module and start real time video collection task；
B) if it is play history video, instruction need to be assigned to acquisition module and acquire video from recorded video library；
23) play instruction is parsed, judges whether that multi-channel video splicing plays, if single video, obtains TS stream output all the way；
If it is multi-channel video, then circulation list of videos is needed, multi-channel video is obtained, multi-channel video is spliced into video output all the way；
24) play instruction is parsed, if protocol type is HTTP or RTMP, the encapsulation format of video flowing need to be switched to FLV from TS
It is inputted；If agreement is RTSP, directly TS can be flowed and exported；If agreement HLS, need after TS is carried out sectioning
It is exported again；
25) client can play out after receiving video flowing by agreement.
Further, the video acquisition type includes actively acquisition and passive acquisition, and the recording switch, which refers to, to be adopted
The video content of collection whether recording and storing, be used for history playback, opened if recording switch, also need to carry out to record duration configuration.
Further, the client initiates video playing instruction request, and request instruction primary fields include: protocol class
Type, video content ID, play type, whether multiple video-splicings
Beneficial effects of the present invention:
The present invention parses different transmission control protocols, United Dispatching and distribution server money by acquiring different video sources
Source and Internet resources carry out dynamic splicing to different video picture, realize that the across a network of transmission of video penetrates, and realize that video is straight
It broadcasts, video on demand, safety monitoring, video conference, video intercom, video-splicing, the business such as video playback carry out unified exchange
The unified management transmitted to different video business tine is realized in transmission, is completed to the equipment, resource of transmission of video, network, experience
And the purpose of user experience is reducingd the construction costs, improves efficiency of operation and promoted to the requirement that management is unified, final realize.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the system composition block diagram of the invention；
Fig. 2 is concrete application block diagram of the invention；
Fig. 3 is the flow chart of video acquisition grade Stored Procedure of the invention；
Fig. 4 is the flow chart that client video playing of the invention requests process.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments, Ying Li
Solution, example embodiment of the application not by description disclosed herein are limited.Based on the embodiment in the application, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model of the application protection
It encloses.
As shown in Figure 1, 2, a kind of video fusion transmission exchange system modules of multi-source multi-protocols of the invention include:
Video acquisition module, video return source module, content distribution module and request scheduling module.
1) video acquisition module: it is responsible for parsing the acquisition of separate sources, different agreement video flowing, Resealing, converting
It is published in video time source module for the TS format of standard by http protocol.
It supports acquisition video stream protocol: 1. supporting the live telecast stream of UDP unicast or multicast agreement；2. supporting ONVIF association
The network monitoring camera head of view, GB/T28181 agreement；3. supporting the conference terminal of Session Initiation Protocol；4. supporting RTSP real-time streaming transport
Agreement；5. supporting RTMP real-time messages transport protocol；6. supporting RTP/RTCP real-time transport protocol；
Realize to a variety of encapsulation format video acquisitions: 1. TS is encapsulated；2. MP4 is encapsulated；3. FLV is encapsulated；
2) video returns source module: being responsible for the TS stream ID that video acquisition module is issued and stream address carries out mapping storage, when ask the visitor in
When asking, inquires the publication address of video flowing and be sent to requesting party；And it requires to judge whether to need to video according to order parameter
Content carries out recording and storing；
3) video distribution module: according to the request of request scheduling module, according to from the stream address returning source module and obtaining, by actively and
The request and distribution of passive mode progress video streaming content；According to actual request order parameter, need to judge it is live video stream
History video is still reviewed in request, need to also obtain video data from recording and storing system if it is playback history video；It need to also be according to
The operation such as necessary splicing, poll, transcoding, slice is carried out to video streaming content in distribution according to parameter request；
4) request scheduling module: the video content request for responding terminal instructs, parsing playing request order parameter, support RTMP,
The agreements such as HLS, HTTP, RTSP, by encapsulation format such as TS, FLV by pushing video streaming to terminal.
As shown in Figure 3,4, the video fusion transmission switching method of a kind of multi-source multi-protocols of the invention, including video acquisition
Grade Stored Procedure, client video playing request process, and wherein video acquisition grade Stored Procedure includes:
1, configure video acquisition parameter: 1) electricity of 1. UDP unicast or multicast agreement is supported in live video stream injection agreement and address
Depending on live stream；2. the network monitoring camera head of ONVIF agreement, GB/T28181 agreement；3. the conference terminal of Session Initiation Protocol；④RTSP
Real time streaming transport protocol；5. RTMP real-time messages transport protocol；6. RTP/RTCP real-time transport protocol；2) grab type includes master
Dynamic acquisition and passive acquisition two ways, actively acquisition belongs to is acquired automatically without manual intervention, and passive acquisition then needs
It receives client instructions and just starts acquisition；3) record switch refer to acquisition video content whether recording and storing, be used for history
Playback；If this switch is opened, also need record duration configuration, such as 1 day, 7 days or 30 days etc..
2, after video acquisition starting, gets video diffluence and be encapsulated as naked stream ES packet, ES is encapsulated as TS packet.
3, video source address, the TS packet storage inside address, recording and storing address (if any) of acquisition are saved, three is saved and reflects
Penetrate relationship.
4, such as client request real time streaming video acquires at this time, then transfers to next module to handle real-time TS stream；Such as
Playback history recorded video when fruit client request then reads TS stream from recorded video library, transfers to next resume module；
If not acquiring request, the data of acquisition are just lost.
Client video playing request process include:
1, client initiate video playing instruction request, request instruction primary fields include: protocol type (such as HLS, RTMP,
HTTP, RTSP etc.), video content ID, play type (real-time video, history are reviewed；If reviewing needs designated time period), whether
Multiple video-splicings (list of videos comprising multiple video ID need to be specified).
2, play instruction is parsed, judges to play type, executes following steps a) or b):
A) if it is real-time video is played, instruction need to be assigned to acquisition module and start real time video collection task；
B) if it is play history video, instruction need to be assigned to acquisition module and acquire video from recorded video library.
3, play instruction is parsed, judges whether that multi-channel video splicing plays, if single video, it is defeated to obtain TS stream all the way
Out；If it is multi-channel video, then circulation list of videos is needed, multi-channel video is obtained, multi-channel video is spliced into video output all the way.
4, play instruction is parsed, if protocol type is HTTP or RTMP, the encapsulation format of video flowing need to be switched to from TS
FLV is inputted；If agreement is RTSP, directly TS can be flowed and exported；If agreement HLS, need TS carrying out slice behaviour
It is exported again after work.
5, client can play out after receiving video flowing by agreement.
In conclusion mainly the following technical effects are achieved by the present invention:
1, it realizes and the unified of the video data in a variety of sources, various protocols is acquired, no longer need to for every kind of video services
Carry out individually deployment video acquisition system:
(1) it realizes to video traffics such as live telecast, program request film, video monitoring, video conference, the sharings of mobile phone real-time video
Fusion transmission.
(2) it supports acquisition video stream protocol: 1. supporting the live telecast stream of UDP unicast or multicast agreement；2. supporting ONVIF
The network monitoring camera head of agreement, GB/T28181 agreement；3. supporting the conference terminal of Session Initiation Protocol；4. RTSP is supported to spread in real time
Defeated agreement；5. supporting RTMP real-time messages transport protocol；6. supporting RTP/RTCP real-time transport protocol；
(3) Video coding for supporting acquisition includes: 1. MPEG2 Video coding；2. H.264/H.265 Video coding；3. AAC audio
Coding；4. G711/G722 audio coding；
(4) realize to a variety of encapsulation format video acquisitions: 1. TS is encapsulated；2. MP4 is encapsulated；3. FLV is encapsulated；
2, it realizes the unified output of more transport protocol videos, accomplishes to make full use of server computing resource, can support
Output protocol includes: 1. to be flowed with the TS of http protocol carrying；2. with the FLV stream of http protocol carrying；3. with the carrying of RTMP agreement
FLV stream；4. the naked stream carried with RTP/RTCP real-time transport protocol；5. the real-time streams of HLS protocol；
3, support the anastomosing and splicing technology of separate sources, different-format, different resolution video, can support up to 64 it is any
The splicing and output of video pictures any way combination, support the fusion of various video to present.
4, realize the unified video distribution of a variety of output channels: including virtual sliced sheet, the entity slice, master to video file
The distribution of dynamic and passive type, multi-level cache architecture.
It should also be noted that, herein, relational terms such as first and second and the like are used merely to one
Entity or operation are distinguished with another entity or operation, without necessarily requiring or implying between these entities or operation
There are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to contain
Lid non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence " including one ... ", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
The foregoing description of the disclosed embodiments makes those skilled in the art can be realized or use the application.To this
A variety of modifications of a little embodiments will be apparent for a person skilled in the art, and the general principles defined herein can
Without departing from the spirit or scope of the application, to realize in other embodiments.Therefore, the application will not be limited
It is formed on the embodiments shown herein, and is to fit to consistent with the principles and novel features disclosed in this article widest
Range.
Claims (9)
1. a kind of video fusion transmission exchange system of multi-source multi-protocols, which is characterized in that returned including video acquisition module, video
Source module, content distribution module, request scheduling module, in which:
Video acquisition module is responsible for being acquired parsing to the video flowing of separate sources, different agreement, Resealing, is converted to
The TS format of standard is published to video by http protocol and returns in source module；
Video returns source module, is responsible for TS stream ID that video acquisition module issue and stream address progress mapping storage, when there is request
When, it inquires the publication address of video flowing and is sent to requesting party；And it requires to judge whether to need in video according to order parameter
Hold and carries out recording and storing；
Video distribution module goes back to the stream address that source module obtains according to from video, by actively according to the request of request scheduling module
The request and distribution of video streaming content are carried out with passive mode；
Request scheduling module responds the video content request instruction of terminal, parses playing request order parameter.
2. a kind of video fusion transmission exchange system of multi-source multi-protocols according to claim 1, which is characterized in that described
The separate sources of video acquisition module acquisition, the video flowing of different agreement include:
It supports acquisition video stream protocol: 1. supporting the live telecast stream of UDP unicast or multicast agreement；2. support ONVIF agreement,
The network monitoring camera head of GB/T28181 agreement；3. supporting the conference terminal of Session Initiation Protocol；4. supporting RTSP real-time streaming transport association
View；5. supporting RTMP real-time messages transport protocol；6. supporting RTP/RTCP real-time transport protocol；
Support to a variety of encapsulation format video acquisitions: 1. TS is encapsulated；2. MP4 is encapsulated；3. FLV is encapsulated.
3. a kind of video fusion transmission exchange system of multi-source multi-protocols according to claim 1, which is characterized in that described
According to actual request order parameter, judgement is the request of live video stream or reviews history video video distribution module, if
It is that playback history video need to obtain video data from recording and storing system.
4. a kind of video fusion transmission exchange system of multi-source multi-protocols according to claim 1, which is characterized in that described
Video distribution module splices video streaming content in distribution according to parameter request, poll, transcoding, sectioning.
5. a kind of video fusion transmission exchange system of multi-source multi-protocols according to claim 1, which is characterized in that described
The playing request order parameter of request scheduling module parsing supports RTMP, HLS, HTTP, RTSP agreement.
6. a kind of video fusion transmission exchange system of multi-source multi-protocols according to claim 1, which is characterized in that described
Request scheduling module presses TS, FLV encapsulation format for pushing video streaming to terminal.
7. a kind of video fusion transmission switching method of multi-source multi-protocols, which is characterized in that including video acquisition grade Stored Procedure,
Client video playing requests process, in which:
Video acquisition grade Stored Procedure includes:
11) it configures video acquisition source address, grab type, record switch；
12) it after video acquisition starting, gets video diffluence and is encapsulated as naked stream ES packet, ES is encapsulated as TS packet；
13) video source address, the TS packet storage inside address, recording and storing address for saving acquisition, save three's mapping relations；
14) client request real time streaming video acquires, then transfers to next module to handle real-time TS stream；If client is asked
What is asked is playback history recorded video, then reads TS stream from recorded video library, transfer to next resume module；If do not acquired
Request, just loses the data of acquisition；
Client video playing request process include:
21) client initiates video playing instruction request；
22) play instruction is parsed, judges to play type, executes following steps a) or b):
A) if it is real-time video is played, instruction need to be assigned to acquisition module and start real time video collection task；
B) if it is play history video, instruction need to be assigned to acquisition module and acquire video from recorded video library；
23) play instruction is parsed, judges whether that multi-channel video splicing plays, if single video, obtains TS stream output all the way；
If it is multi-channel video, then circulation list of videos is needed, multi-channel video is obtained, multi-channel video is spliced into video output all the way；
24) play instruction is parsed, if protocol type is HTTP or RTMP, the encapsulation format of video flowing need to be switched to FLV from TS
It is inputted；If agreement is RTSP, directly TS can be flowed and exported；If agreement HLS, need after TS is carried out sectioning
It is exported again；
25) client can play out after receiving video flowing by agreement.
8. a kind of video fusion transmission switching method of multi-source multi-protocols according to claim 7, which is characterized in that described
Video acquisition type includes active acquisition and passive acquisition, and the recording switch refers to whether the video content of acquisition is recorded and deposits
Storage is used for history playback, opens if recording switch, also needs record duration configuration.
9. a kind of video fusion transmission switching method of multi-source multi-protocols according to claim 7, which is characterized in that described
Client initiate video playing instruction request, request instruction primary fields include: protocol type, video content ID, play type,
Whether multiple video-splicings.
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| CN112911348A (en) * | 2021-01-27 | 2021-06-04 | 石家庄铁道大学 | Video management system, method and terminal based on ONVIF protocol |
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