CN107197386A - A kind of cross-platform video playback implementation method without client - Google Patents
A kind of cross-platform video playback implementation method without client Download PDFInfo
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- CN107197386A CN107197386A CN201710400734.2A CN201710400734A CN107197386A CN 107197386 A CN107197386 A CN 107197386A CN 201710400734 A CN201710400734 A CN 201710400734A CN 107197386 A CN107197386 A CN 107197386A
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- video
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- media server
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000002224 dissection Methods 0.000 claims abstract description 6
- 238000012856 packing Methods 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000005111 flow chemistry technique Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—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
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
- H04N21/4782—Web browsing, e.g. WebTV
-
- 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
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/858—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot
- H04N21/8586—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot by using a URL
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Information Transfer Between Computers (AREA)
Abstract
The invention discloses a kind of cross-platform video playback implementation method without client, step includes：1) client initiates video request to streaming media server；2) streaming media server carries out dissection process to Web client request；3) Web client initiates HTTP request to streaming media server；4) streaming media server transmits particular video frequency burst to Web client by http protocol；5) Web client parses video slicing content and played.The method of the present invention, service end only need to be handled original video stream according to the packing of MPEG DASH specifications, and decoding need not be implemented separately in client；User is only by browser, without installing particular clients or third party's plug-in unit, you can having access to for video is completed under the different platforms such as Windows, Linux, Android, iOS, and installation and deployment are simple, and user experience is high.
Description
Technical field
The invention belongs to internet stream media technical field, it is related to a kind of cross-platform video playback realization side without client
Method.
Background technology
With the high speed development of internet, the internet of things equipment of video monitoring class application increases, and people pass through PC ends Web
The demand of browser or cell-phone customer terminal viewing video progressively increases, traditional RTP (RTP), real-time streaming transport association
The stream media protocols such as view (RTSP) gradually show shortcoming therein, and service end is realized, deployment complexity is high, it is necessary to open independent
The network port, easily by network fire prevention before intercept etc..And traditional streaming media server based on http protocol, although deployment
Simply, the single network port is not required to, but its support to live video stream is poor, and need that Flash plug-in units are installed to support
Video playback, it is difficult to accomplish the cross-platform demand to meet masses.
Therefore, study a kind of professional platform independence can internet of things equipment video that is good, being supported without special player or plug-in unit broadcast
Method is put, with huge actual application value.
The content of the invention
It is an object of the invention to provide a kind of cross-platform video playback implementation method without client, prior art is solved
Middle video playback professional platform independence difference is, it is necessary to which special client or browser plug-in support that service end installation and deployment are troublesome to ask
Topic.
The technical solution adopted by the present invention is, a kind of cross-platform video playback implementation method without client, according to following
Step is implemented：
Step 1, client initiate video request to streaming media server
1.1) start streaming media server, parse configuration file, create RPC threads and be tied to particular port, monitor visitor
The arrival of family end connection；
1.2) camera list preserved in Web client reading database shows to web interface and selected for user；
1.3) specific camera number according to selected by user, channel number initiate video to streaming media server RPC interfaces
Request；
Step 2, streaming media server carry out dissection process to Web client request；
Step 3, Web client initiate HTTP request to streaming media server；
Step 4, streaming media server transmit particular video frequency burst to Web client by http protocol；
Step 5, Web client parsing video slicing content are simultaneously played.
The beneficial effects of the invention are as follows with reference to the characteristics of DASH agreements and video monitoring, by the real-time of DASH agreements
Property enhancing and optimization etc. improve, realize in real time and history video playback.The form pair that service end is supported according to DASH video flowings
Original video is handled, generation MPD index files and video slicing file, and client completes to regard using HTML5+MSE technologies
The broadcasting of frequency stream, user is without separately installed Flash plug-in units or specific player software, you can divide in adaptive different video stream
The change of resolution, frame per second, can be good at reading in different platforms such as Android, iOS, Windows, Linux by browser
Having access to for video, support real-time video and history video, strengthens Consumer's Experience.
Brief description of the drawings
Fig. 1 is the general frame figure of the inventive method；
Fig. 2 is the inventive method RPC module interaction diagrams；
Fig. 3 is HTTP interaction figures in video display process of the present invention.
Embodiment
Streaming media server herein refers to the PC equipped with serve end program below, and Web client refers to support
The Web browser of HTML5 and MSE extensions.
The present invention uses HTML5+MSE (Media Source Extensions) technology, and MPEG- is realized from engineering viewpoint
DASH agreements, realize the video broadcasting method of no client.
As shown in figure 1, streaming media server is by RPC modules, DASH video flow processings module, the part of HTTP service module three
Constitute, wherein RPC modules are responsible for that client video request is communicated and handled with client；DASH video flow processings module is born
The form that original video flow data is packaged into MPEG-DASH supports is blamed, video slicing file and the storage of MPD index files is produced
In server end；HTTP service module is responsible for the transmission of video slicing file.
The inventive method, based on above-mentioned streaming media server framework, implements according to following steps：
Step 1, client initiate video request to streaming media server
1.1) start streaming media server, parse configuration file, create RPC threads and be tied to particular port and (be defaulted as
8090, for carrying out RPC communications with Web client), monitor the arrival of client connection；
1.2) camera list preserved in Web client reading database shows to web interface and selected for user；
1.3) specific camera number according to selected by user, channel number initiate video to streaming media server RPC interfaces
Request；
Step 2, streaming media server carry out dissection process to Web client request
2.1) client request order is parsed；
2.2) Video processing thread is created, the video stream data packing of original H.264 form is processed into MPEG-DASH institutes
The form needed, generation MPD index files and video slicing are simultaneously stored in server end；
2.3) processing is named to video slicing using Uniform Name specification；
2.4) the virtual URL where RPC interfaces return MPD file to Web client is passed through；
Step 3, Web client initiate HTTP request to streaming media server
3.1) URL returned according to RPC interfaces initiates HTTP GET requests to streaming media server, downloads MPD file；
3.2) MPD index files are parsed, the media characteristic informations such as media duration, bit rate, burst URL are obtained；
3.3) HTTP request is initiated to streaming media server according to the URL of video slicing 1；
Step 4, streaming media server transmit particular video frequency burst to Web client by http protocol
4.1) HTTP request of Web client is parsed；
4.2) according to the request URL of Web client, streaming media server searches the corresponding video slicing files of the URL；
4.3) call ReadFile () function to read video slicing file, pass through HttpSendHttpResponse () sides
Method returns to video slicing data to Web client；
Step 5, Web client parsing video slicing content are simultaneously played
5.1) Web client parses video slicing content and played out；
5.2) adaptation mechanism is opened, by certain strategy estimation network bandwidth, video slicing is asked in adjustment next time
Bit rate, continue to ask next video slicing to streaming media server, until video playback is completed.
Embodiment
Step 1, client initiate video request to streaming media server
1.1) start streaming media server, parse configuration file, create RPC threads and be tied to particular port and (be defaulted as
8090, for carrying out RPC communications with Web client), monitor the arrival of client connection；
1.2) camera list preserved in Web client reading database shows to web interface and selected for user；
1.3) specific camera number according to selected by user, channel number initiate video to streaming media server RPC interfaces
Request；
Step 2, streaming media server carry out dissection process to Web client request
2.1) client request order is parsed；
2.2) Video processing thread is created, the video stream data packing of original H.264 form is processed into MPEG-DASH institutes
The form needed, generation MPD index files and video slicing are simultaneously stored in server end, and MPD index files exist in xml format,
Mainly it is made up of MPD, Period, AdaptationSet, Representation, SegmentTemplate label.Wherein MPD
Type attribute representative video attributes in label are real-time video or history video, minBufferTime attribute representative videos
Minimal cache time, total reproduction time of mediaPresentationDuration attribute representative programs；AdaptationSet
The presentation mode of contentType attribute representative media in label, including video, audio or captions；Representaiton
Codecs attribute representatives Video Codec type in label, miniType attribute representative video formats, width, height,
FrameRate attributes represent the width of the video slicing, height, frame per second information respectively.In SegmentTemplate labels
Timescale attributes represent the time shaft of section, and its video segment generated name is identified with Number, represents the part by having
The numeral of body is represented；
2.3) processing is named to video slicing using Uniform Name specification, section filename by video files names with
Sequence number of cutting into slices two parts composition, all video segments are all started with " live-video-sd- ", and video is connected by permanent order
The sequence number " 1 " of fragment, " 2 " ...；
2.4) by the virtual URL where RPC interfaces return MPD file to Web client, it is complete that RPC modules communicate
Flow as shown in Fig. 2 create RPC threads first, and monitoring Web client connection is entered after client video request is received to it
Row parsing, then calls Video processing thread to handle original video stream, waits the generation of video slicing.When Streaming Media clothes
It is engaged in after device end generation video slicing, returns to MPD file URL to Web ends, otherwise return to corresponding error coded；
Step 3, Web client initiate HTTP request to streaming media server
3.1) URL returned according to RPC interfaces initiates HTTP GET requests to streaming media server, downloads MPD file；
3.2) MPD index files are parsed, the media characteristic informations such as media duration, bit rate, burst URL are obtained；
3.3) HTTP GET requests are initiated to streaming media server according to the URL of video slicing 1；
Step 4, streaming media server transmit particular video frequency burst to Web client by http protocol
4.1) HTTP request of Web client is parsed；
4.2) according to the request URL of Web client, streaming media server searches the corresponding video slicing files of the URL；
4.3) call ReadFile () function to read video slicing file, pass through HttpSendHttpResponse () sides
Method returns to video slicing data to Web client；
Step 5, Web client parsing video slicing content are simultaneously played
5.1) Web client parses the content of video slicing 1 and played out；
5.2) adaptation mechanism is opened, by certain strategy estimation network bandwidth, video slicing is asked in adjustment next time
Bit rate, continue to ask next video slicing to streaming media server, until video playback is completed, HTTP request process
Interaction logic is as shown in Figure 3.
The method of the present invention, streaming media server is deployed in windows platform, is uniformly managed by Windows services,
The browser that Web client extends for support HTML5 and MSE.Web end subscribers are compiled after logining successfully according to selected video camera
Number, video request is initiated to streaming media server, dissection process is carried out to it after video flowing is obtained, broadcasting for video pictures is completed
Put.Compared with traditional Web ends video render, the inventive method is supported without specific Flash plug-in units, and professional platform independence is strong,
User can complete the reading of video flowing in any time, any place.
Claims (5)
1. a kind of cross-platform video playback implementation method without client, it is characterised in that implement according to following steps：
Step 1, client initiate video request to streaming media server
1.1) start streaming media server, parse configuration file, create RPC threads and be tied to particular port, monitor client
The arrival of connection；
1.2) camera list preserved in Web client reading database shows to web interface and selected for user；
1.3) specific camera number according to selected by user, channel number initiate video request to streaming media server RPC interfaces；
Step 2, streaming media server carry out dissection process to Web client request；
Step 3, Web client initiate HTTP request to streaming media server；
Step 4, streaming media server transmit particular video frequency burst to Web client by http protocol；
Step 5, Web client parsing video slicing content are simultaneously played.
2. the cross-platform video playback implementation method according to claim 1 without client, it is characterised in that described step
In rapid 2, detailed process is,
2.1) client request order is parsed；
2.2) Video processing thread is created, the video stream data packing of original H.264 form is processed into needed for MPEG-DASH
Form, generation MPD index files and video slicing are simultaneously stored in server end；
2.3) processing is named to video slicing using Uniform Name specification；
2.4) the virtual URL where RPC interfaces return MPD file to Web client is passed through.
3. the cross-platform video playback implementation method according to claim 1 without client, it is characterised in that described step
In rapid 3, detailed process is,
3.1) URL returned according to RPC interfaces initiates HTTP GET requests to streaming media server, downloads MPD file；
3.2) MPD index files are parsed, the media characteristic informations such as media duration, bit rate, burst URL are obtained；
3.3) HTTP request is initiated to streaming media server according to the URL of video slicing 1.
4. the cross-platform video playback implementation method according to claim 1 without client, it is characterised in that described step
In rapid 4, detailed process is,
4.1) HTTP request of Web client is parsed；
4.2) according to the request URL of Web client, streaming media server searches the corresponding video slicing files of the URL；
4.3) call ReadFile () function to read video slicing file, returned by HttpSendHttpResponse () method
Video slicing data are returned to Web client.
5. the cross-platform video playback implementation method according to claim 1 without client, it is characterised in that described step
In rapid 5, detailed process is,
5.1) Web client parses the content of video slicing 1 and played out；
5.2) adaptation mechanism is opened, by certain strategy estimation network bandwidth, the ratio of video slicing is asked in adjustment next time
Special rate, continues to ask next video slicing to streaming media server, until video playback is completed.
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| CN107197386A true CN107197386A (en) | 2017-09-22 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107888932A (en) * | 2017-10-20 | 2018-04-06 | 深圳思麦杰科技有限公司 | A kind of system and method for the cross-platform net cast based on browser |
| CN108668179A (en) * | 2017-03-27 | 2018-10-16 | 华为技术有限公司 | The transmission method and relevant device of media index file |
| CN109640038A (en) * | 2018-11-30 | 2019-04-16 | 武汉烽火众智智慧之星科技有限公司 | A kind of video monitoring platform access method and device |
| CN112866745A (en) * | 2020-12-31 | 2021-05-28 | 广州穗能通能源科技有限责任公司 | Streaming media video data processing method and device, computer equipment and storage medium |
| CN113824925A (en) * | 2021-08-11 | 2021-12-21 | 南京国电南自电网自动化有限公司 | WEB plug-in-free video monitoring system and method |
| CN114024941A (en) * | 2021-11-11 | 2022-02-08 | 南京国电南自轨道交通工程有限公司 | Multi-terminal multi-channel real-time video monitoring method based on WebRTC |
| CN114925249A (en) * | 2022-05-20 | 2022-08-19 | 东南大学 | Video transmission fingerprint fast generation method facing self-adaptive streaming media |
| CN114979706A (en) * | 2022-05-12 | 2022-08-30 | 上海商汤智能科技有限公司 | Video management method and device, electronic equipment and computer readable storage medium |
| CN115442659A (en) * | 2022-08-31 | 2022-12-06 | 四川长虹电器股份有限公司 | MSE media source playing method and system |
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| CN108668179B (en) * | 2017-03-27 | 2021-05-14 | 华为技术有限公司 | Transmission method of media index file and related equipment |
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| CN112866745A (en) * | 2020-12-31 | 2021-05-28 | 广州穗能通能源科技有限责任公司 | Streaming media video data processing method and device, computer equipment and storage medium |
| CN113824925A (en) * | 2021-08-11 | 2021-12-21 | 南京国电南自电网自动化有限公司 | WEB plug-in-free video monitoring system and method |
| CN114024941A (en) * | 2021-11-11 | 2022-02-08 | 南京国电南自轨道交通工程有限公司 | Multi-terminal multi-channel real-time video monitoring method based on WebRTC |
| CN114979706A (en) * | 2022-05-12 | 2022-08-30 | 上海商汤智能科技有限公司 | Video management method and device, electronic equipment and computer readable storage medium |
| CN114925249A (en) * | 2022-05-20 | 2022-08-19 | 东南大学 | Video transmission fingerprint fast generation method facing self-adaptive streaming media |
| CN114925249B (en) * | 2022-05-20 | 2024-07-12 | 东南大学 | Video transmission fingerprint rapid generation method for self-adaptive streaming media |
| CN115442659A (en) * | 2022-08-31 | 2022-12-06 | 四川长虹电器股份有限公司 | MSE media source playing method and system |
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| CN107197386B (en) | 2020-04-21 |
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