CN107948669A - Based on CDN fast video production methods - Google Patents
Based on CDN fast video production methods Download PDFInfo
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- CN107948669A CN107948669A CN201711407403.8A CN201711407403A CN107948669A CN 107948669 A CN107948669 A CN 107948669A CN 201711407403 A CN201711407403 A CN 201711407403A CN 107948669 A CN107948669 A CN 107948669A
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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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2187—Live feed
-
- 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
- H04N21/432—Content retrieval operation from a local storage medium, e.g. hard-disk
- H04N21/4325—Content retrieval operation from a local storage medium, e.g. hard-disk by playing back content from the storage medium
-
- 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
- H04N21/854—Content authoring
- H04N21/85406—Content authoring involving a specific file format, e.g. MP4 format
-
- 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
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
The present invention relates to based on CDN fast video production methods, open live TV stream address CDN direct broadcast time-shifts function and time shift duration is set, the section duration of TS files is generated when then by setting live, the section durations of TS files selects that 5 seconds a piece of or 10 seconds a piece of, when preparing recording and playback video, determine that start practice point and the end time point that need to shear video determine to need the playback video segment recorded by back dragging the live progress bar of player, call third party's service end api interfaces, incoming sart point in time, end time point, flow title, new file storage location, so as to generate new live recorded file M3U8 files, interface is reviewed by the operation of system configuration, call this review interface can directly invoke shearing generation meeting see video M3U8 files.Solve it is live after to the troublesome operation process of recorded video editing, improve the speed that video is reviewed, by calling recording operation interface to generate new file, set operation to review interface, be truly realized live recording second level playback.
Description
Technical field
The present invention relates to video clipping technical field, and in particular to one kind is based on CDN fast video production methods.
Background technology
The full name of CDN is Content Delivery Network, i.e. content distributing network.Its basic ideas is as far as possible
Avoid being possible to influencing the bottleneck and link of data transmission bauds and stability on internet, make content transmission faster, it is more steady
It is fixed.By placing one on the existing Internet basic layer intelligent virtual net that node server formed everywhere in network
Network, CDN system can be in real time according to the connection of network traffics and each node, load state and the distance to user and responses
The integrated informations such as time re-direct the request of user on the service node nearest from user.The purpose is to make user can be nearby
Content needed for acquirement, solves the crowded situation of Internet network, improves the response speed that user accesses website.
Need to record live video when doing live at present, in order to return live video after the completion of live
See to live user, but now live is not watched, equipment debugging can be carried out in advance, play gasket, play advertisement etc., and it is straight
The side of broadcasting such as is not intended to the video informations such as gasket, equipment debugging being given to user's viewing, must be to the whole recorded file after live
Carry out editing, at this time because recording file generated on the server, file need to be downloaded to local, then pass through related hand
Section or instrument into edlin, remove need not video-frequency band, synthesize new video file, then upload to video stream media clothes again
Be engaged in device, and new video address be given to corresponding playback equipment and is played out, and this process is time-consuming and laborious, editing video it is interior
Hold it is more complicated, this process it is time-consuming longer.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind to be based on CDN fast video production methods, will
Using direct broadcast time-shift, got ready with reference to user time, with the ts files of live generation, generate new reviewing and record m3u8 files, solution
To the troublesome operation process of recorded video editing after certainly live, the speed that video is reviewed is improved, by calling recording operation
Interface generates new file, sets operation to review interface, is truly realized live recording second level playback.
The purpose of the present invention is what is be achieved through the following technical solutions：
Based on CDN fast video production methods, comprise the following steps：
S01：Time shift configures, and opens CDN direct broadcast time-shifts function and sets time shift duration；
S02：Recording time is set, and the section duration of TS files is generated when setting live；
S03：Determine dotting time, determine point, end time point between need to shearing at the beginning of video；
S04：The new live recorded file of generation, calls server-side api, it is incoming need to shear at the beginning of video between point, at the end of
Between point, stream title and new file storage address, generate new live recorded file；
S05：Address is reviewed in setting, and the storage address of new live recorded file is set to each and reviews system.
Preferably, the new live recorded file is M3U8 files.
Further, the direct broadcast time-shift is during live, can directly drag progress bar and carry out checking historical picture.
Further, the historical picture refers to that history records picture.
Preferably, during the section of the TS files a length of 5-10 seconds it is a piece of.
Further as this programme is improved, and the step S03 determines that dotting time is to be watched by player live, drags
Point, end time point between the dynamic live progress bar of player determines to shear at the beginning of video.
Further as this programme is improved, it is described review system and be provided with operation review interface, by calling this to review
Video M3U8 files are seen in the meeting that interface can directly invoke shearing generation.
Preferably, the time shift duration set in the time shift configuration step is controlled by third party.
The beneficial effects of the invention are as follows：The present invention is got ready, with live generation by using direct broadcast time-shift with reference to user time
Ts files, generate the new m3u8 files being made of several ts files, which is stored in system address, and
Interface is reviewed in the system, the new m3u8 files of generation are directly invoked by reviewing interface, so as to be truly realized the live recording second
Level playback.
Brief description of the drawings
Fig. 1 is the flow chart of the present invention.
Embodiment
Below in conjunction with the accompanying drawings 1 and specific embodiment technical scheme is described in further detail, but the guarantor of the present invention
Shield scope is not limited to as described below.
Based on CDN fast video production methods, comprise the following steps：
S01：Time shift configures, and opens CDN direct broadcast time-shifts function and sets time shift duration；
S02：Recording time is set, and the section duration of TS files is generated when setting live；
S03：Determine dotting time, determine point, end time point between need to shearing at the beginning of video；
S04：The new live recorded file of generation, calls server-side api, it is incoming need to shear at the beginning of video between point, at the end of
Between point, stream title and new file storage address, generate new live recorded file；
S05：Address is reviewed in setting, and the storage address of new live recorded file is set to each and reviews system.
Preferably, new live recorded file signified in the present embodiment is M3U8 files, and live M3U8 files are a kind of straight
Video file format is broadcast, its content is made of multistage TS file paths, and TS is real recorded video file, and TS is Japanese high definition
The lower encapsulation format carried out of video camera shooting, full name MPEG2-TS.The TS i.e. abbreviation of " Transport Stream ", MPEG2-
The characteristics of TS forms be exactly require all be since any fragment of video flowing can be independently decoded, the present invention be exactly using be somebody's turn to do
Live video form selected as TS forms are controlled the duration of single TS files by characteristic, so that the video of live recording
It is made of several TS files, and TS files are along time shaft number consecutively, it is necessary to when carrying out playback video record, it is only necessary to
Point, end time point between at the beginning of shearing video described in the input playback video i.e. present invention, then system automatically selects
TS files within this time, which are combined, to be generated new M3U8 files and is stored in system, passes through the behaviour of system configuration
Review interface, call this review interface can directly invoke shearing generation meeting see video M3U8 files.
Its concrete operations is as follows：
Open live TV stream address CDN direct broadcast time-shifts function and time shift duration is set, which is directly operated by user, wherein CDN
Direct broadcast time-shift refers to during live, can directly drag progress bar and carry out checking historical picture, further, in this embodiment
Refer to it is live during the historical picture recorded；The section duration of TS files, TS texts are generated when then setting live by third party
The section duration of part can select that 5 seconds a piece of or 10 seconds a piece of, but not limit to duration cited in the present embodiment；Prepare record
During system playback video, live video is watched using player, determines to shear by back dragging the live progress bar of player and regards
Start practice point and the end time point of frequency determine the playback video segment that needs are recorded, and call third party's service end api interfaces,
Incoming sart point in time, end time point, stream title, new file（The playback video M3U8 files recorded）Storage location, from
And new live recorded file M3U8 files are generated, the new live recorded file address system got according to upper step is set
System is reviewed to each, interface is reviewed by the operation of system configuration, shearing generation can be directly invoked by calling this to review interface
Meeting see video M3U8 files.
The above is only the preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form, is not to be taken as the exclusion to other embodiment, and can be used for various other combinations, modification and environment, and can be at this
In the text contemplated scope, it is modified by the technology or knowledge of above-mentioned teaching or association area.And those skilled in the art institute into
Capable modifications and changes do not depart from the spirit and scope of the present invention, then all should be in the protection domain of appended claims of the present invention
It is interior.
Claims (8)
1. it is based on CDN fast video production methods, it is characterised in that comprise the following steps：
S01：Time shift configures, and opens CDN direct broadcast time-shifts function and sets time shift duration；
S02：Recording time is set, and the section duration of TS files is generated when setting live；
S03：Determine dotting time, determine point, end time point between need to shearing at the beginning of video；
S04：The new live recorded file of generation, calls server-side api, it is incoming need to shear at the beginning of video between point, at the end of
Between point, stream title and new file storage address, generate new live recorded file；
S05：Address is reviewed in setting, and the storage address of new live recorded file is set to each and reviews system.
2. according to claim 1 be based on CDN fast video production methods, it is characterised in that the new live recording text
Part is M3U8 files.
3. according to claim 1 or 2 be based on CDN fast video production methods, it is characterised in that the direct broadcast time-shift is
During live, it can directly drag progress bar and carry out checking historical picture.
4. according to claim 3 be based on CDN fast video production methods, it is characterised in that the historical picture refers to
History records picture.
5. according to claim 1 be based on CDN fast video production methods, it is characterised in that the section of the TS files
Shi Changwei 5-10 seconds is a piece of.
6. according to claim 1 be based on CDN fast video production methods, it is characterised in that the step S03 determines to beat
The point time is that live, point, knot between the dragging live progress bar of player determines to shear at the beginning of video are watched by player
Beam time point.
7. according to claim 1 or 2 be based on CDN fast video production methods, it is characterised in that the system of reviewing is set
Be equipped with operation and review interface, by call this review interface can directly invoke shearing generation meeting see video M3U8 files.
8. according to claim 1 be based on CDN fast video production methods, it is characterised in that the time shift configuration step
The time shift duration of middle setting is controlled by third party.
Priority Applications (1)
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| CN201711407403.8A CN107948669A (en) | 2017-12-22 | 2017-12-22 | Based on CDN fast video production methods |
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| CN201711407403.8A CN107948669A (en) | 2017-12-22 | 2017-12-22 | Based on CDN fast video production methods |
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| CN107948669A true CN107948669A (en) | 2018-04-20 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108377429A (en) * | 2018-04-24 | 2018-08-07 | 中国广播电视网络有限公司 | A kind of demolition of video flowing and take out frame method |
| CN111901696A (en) * | 2020-07-31 | 2020-11-06 | 杭州当虹科技股份有限公司 | Real-time recording and strip-disassembling system based on hls technology by using preloading mode |
| CN112468839A (en) * | 2020-11-26 | 2021-03-09 | 上海哔哩哔哩科技有限公司 | Playback method, system, device and readable storage medium of live content |
| CN113630618A (en) * | 2021-08-06 | 2021-11-09 | 上海哔哩哔哩科技有限公司 | Video processing method, device and system |
| CN114827755A (en) * | 2022-04-15 | 2022-07-29 | 咪咕文化科技有限公司 | Video playing method, system, device and storage medium |
| CN115914670A (en) * | 2023-02-01 | 2023-04-04 | 广州市千钧网络科技有限公司 | Live broadcast playback processing method and device and storage medium |
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Application publication date: 20180420 |