CN111901696A - Real-time recording and strip-disassembling system based on hls technology by using preloading mode - Google Patents
Real-time recording and strip-disassembling system based on hls technology by using preloading mode Download PDFInfo
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- CN111901696A CN111901696A CN202010759259.XA CN202010759259A CN111901696A CN 111901696 A CN111901696 A CN 111901696A CN 202010759259 A CN202010759259 A CN 202010759259A CN 111901696 A CN111901696 A CN 111901696A
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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]
- H04N21/80—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
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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]
- H04N21/20—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
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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, rendering scenes according to MPEG-4 scene graphs
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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, rendering scenes according to MPEG-4 scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 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, rendering scenes according to MPEG-4 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
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
- H04N21/4782—Web browsing, e.g. WebTV
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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]
- H04N21/80—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
- H04N21/8543—Content authoring using a description language, e.g. Multimedia and Hypermedia information coding Expert Group [MHEG], eXtensible Markup Language [XML]
Abstract
The invention discloses a real-time recording and strip-splitting system based on hls technology in a preloading mode. The system comprises a file recording system, a rapid content generation system, a web client based on an H5 page and a file transcoding system; based on the use of a file recording system and a file transcoding system, the presentation mode of a web client based on an H5 page is combined, and on the basis of a rapid content production system, the function of real-time strip splitting and transcoding of recorded content through web page operation is realized by using a hls technology and innovatively combining an m3u8 pre-writing mechanism. The invention has the beneficial effects that: the method has the advantages that the function of real-time bar-removing and transcoding of the recorded content through web page operation is realized, the operation is directly carried out through opening a web page, the operation is simple, the compatibility is strong, the real-time preview of the recorded material is realized, the real-time bar-removing business is carried out on the currently previewed received material, the purpose of quick online is realized, the use of operators is facilitated, and the bar-removing production efficiency is improved.
Description
Technical Field
The invention relates to the technical field related to video coding and decoding processing, in particular to a real-time recording and strip splitting system based on hls technology in a preloading mode.
Background
The common recording and transcoding system based on the web side of the H5 page generally needs to record a file slice in the whole time period to preview and tear down the strip, is not a real-time preview, cannot record and tear down the strip at the time, is not efficient, is limited by the limitation of the file slice duration, and can start a subsequent strip tearing service only by waiting for the completion of the current slice.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a real-time recording and strip-disassembling system which improves the strip-disassembling production efficiency and uses a preloading mode based on hls technology.
In order to achieve the purpose, the invention adopts the following technical scheme:
a real-time receiving and recording strip splitting system based on hls technology in a preloading mode comprises a file receiving and recording system, a rapid content generation system, a web client based on an H5 page and a file transcoding system; wherein:
the file receiving and recording system receives and records the program contents of each channel in real time through the preset configuration, and receives and records the program contents into a video slice file according to the time sequence and the appointed mode;
the rapid content generation system automatically generates a dynamic m3u8 file from a slice file of a corresponding time period which is recorded by a file recording system according to the time period which needs to be edited and selected by a web client user based on an H5 page, and by applying an m3u8 pre-writing mechanism, slices which are not recorded can be marked in the m3u8 file in advance according to a recording rule even if the recording time is not started;
setting different time periods needing to be edited by a web client user based on an H5 page, loading an m3u8 file generated by a rapid content generation system serving as a server based on a hls technology, previewing the recorded video file in real time, realizing the strip splitting operation of the current video, and submitting the current video to a file transcoding system after the current video operation is finished;
and the file transcoding system performs file transcoding on the recorded video according to an operation result submitted by the web client based on the H5 page and generates an edited material file.
Based on the use of a file recording system and a file transcoding system, and the presentation mode of a web client based on an H5 page, the function of real-time strip splitting and transcoding of recorded contents through web page operation is realized on the basis of a rapid content production system. The web client based on the H5 page in the system can be operated by directly opening the webpage, is simple to operate and high in compatibility, through the use of hls technology and the innovative combination of m3u8 pre-writing mechanism, not only can real-time preview of the recorded materials be realized, but also the business of real-time strip removal can be carried out on the currently previewed received materials, the purpose of quick online is realized, great convenience is brought to the use of operators, and the strip removal production efficiency is improved.
Preferably, the m3u8 pre-write mechanism is as follows: the fast content production system initiates a receiving and recording request to the file receiving and recording system, and the file receiving and recording system receives and records the live stream information source into a video slice which accords with the specified file name rule according to the specified format of the fast content production system, so that the fast content production system can predict the format name and the path of the video slice which is not received and recorded; based on this preloading mode, the fast content production system can pre-write m3u8 files for arbitrary time periods according to video slice generation rules.
Preferably, when a web client based on an H5 page needs to edit a live stream, a time period needing to be edited is selected to request a server of a rapid content production system, the server of the rapid content production system automatically generates a corresponding m3u8 file according to the requested time period, according to an m3u8 pre-writing mechanism, a corresponding m3u8 file can be generated even if the time period includes a future time period, and the web client based on the H5 page previews a current video in real time according to a pre-loading mode, so that real-time material editing and strip splitting are realized.
Preferably, after the strip-splitting editing of the web client based on the H5 page is completed, a request is sent to a server of the fast content production system, the server of the fast content production system generates an xml of a corresponding editing operation identifier according to a strip-splitting operation result, and finally, an xml file of the material path and the editing operation identifier is sent to a file transcoding system, and the file transcoding system performs a transcoding operation on the originally recorded material file according to the information to finally generate a finished video.
The invention has the beneficial effects that: the function of real-time strip-dismantling transcoding of the recorded content through web page operation is achieved, operation can be directly conducted through opening a webpage, operation is simple, compatibility is strong, real-time preview of the recorded content is achieved, meanwhile, a current preview business for strip dismantling can be conducted on the received material in real time, the purpose of rapid online is achieved, and great convenience is brought to use of operators and strip-dismantling production efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
In the embodiment shown in fig. 1, a real-time recording and de-banding system based on hls technology using a preloading mode comprises a file recording system, a rapid content generation system, a web client based on H5 pages and a file transcoding system; wherein:
the file receiving and recording system receives and records the program contents of each channel in real time through the preset configuration, and receives and records the program contents into a video slice file according to the time sequence and the appointed mode;
the rapid content generation system automatically generates a dynamic m3u8 file from a slice file of a corresponding time period which is recorded by a file recording system according to the time period which needs to be edited and is selected by a web client user based on an H5 page, and by applying an m3u8 pre-writing mechanism, even if the recording time does not start, the slice which is not recorded can be marked in the m3u8 file in advance according to the recording rule, so that the subsequent service can be conveniently used;
the m3u8 pre-write mechanism is as follows: the fast content production system initiates a receiving and recording request to the file receiving and recording system, and the file receiving and recording system receives and records the live stream information source into a video slice which accords with the specified file name rule according to the specified format of the fast content production system, so that the fast content production system can predict the format name and the path of the video slice which is not received and recorded; based on this preloading mode, the fast content production system can pre-write m3u8 files for arbitrary time periods according to video slice generation rules.
Setting different time periods needing to be edited by a web client user based on an H5 page, loading a m3u8 file generated by a rapid content generation system serving as a server based on a hls technology, previewing the recorded video file in real time, playing smoothly without blockage, realizing various strip-splitting operations such as cutting and splicing of the current video, submitting a file transcoding system after the current video operation is finished, and transcoding the current video material according to the strip-splitting operation result to generate an edited material file;
when a web client based on an H5 page needs to edit a live stream, a time period needing to be edited is selected to request a server of a rapid content production system, the server of the rapid content production system automatically generates a corresponding m3u8 file according to the requested time period, according to an m3u8 pre-writing mechanism, a corresponding m3u8 file can be generated even if the time period in the future is included, according to a pre-loading mode, the web client based on the H5 page previews a current video in real time, and real-time material editing and strip splitting are achieved.
The file transcoding system performs file transcoding on the recorded video according to an operation result submitted by a web client based on an H5 page and generates an edited material file;
after the strip-splitting editing of the web client based on the H5 page is completed, a request is sent to a server of the rapid content production system, the server of the rapid content production system generates corresponding xml of the editing operation identifier according to the strip-splitting operation result, finally, the xml file of the material path and the editing operation identifier is sent to a file transcoding system, and the file transcoding system performs the transcoding operation on the originally recorded material file according to the information to finally generate a finished product video.
Based on the use of a file recording system and a file transcoding system, and the presentation mode of a web client based on an H5 page, the function of real-time strip splitting and transcoding of recorded contents through web page operation is realized on the basis of a rapid content production system. The web client based on the H5 page in the system can be operated by directly opening the webpage, is simple to operate and high in compatibility, through the use of hls technology and the innovative combination of m3u8 pre-writing mechanism, not only can real-time preview of the recorded materials be realized, but also the business of real-time strip removal can be carried out on the currently previewed received materials, the purpose of quick online is realized, great convenience is brought to the use of operators, and the strip removal production efficiency is improved.
Claims (4)
1. A real-time recording and stripping system based on hls technology in a preloading mode is characterized by comprising a file recording system, a rapid content generation system, a web client based on an H5 page and a file transcoding system; wherein:
the file receiving and recording system receives and records the program contents of each channel in real time through the preset configuration, and receives and records the program contents into a video slice file according to the time sequence and the appointed mode;
the rapid content generation system automatically generates a dynamic m3u8 file from a slice file of a corresponding time period which is recorded by a file recording system according to the time period which needs to be edited and selected by a web client user based on an H5 page, and by applying an m3u8 pre-writing mechanism, slices which are not recorded can be marked in the m3u8 file in advance according to a recording rule even if the recording time is not started;
setting different time periods needing to be edited by a web client user based on an H5 page, loading an m3u8 file generated by a rapid content generation system serving as a server based on a hls technology, previewing the recorded video file in real time, realizing the strip splitting operation of the current video, and submitting the current video to a file transcoding system after the current video operation is finished;
and the file transcoding system performs file transcoding on the recorded video according to an operation result submitted by the web client based on the H5 page and generates an edited material file.
2. The real-time listing and striping system based on hls technology using preloading mode as claimed in claim 1, wherein the m3u8 pre-writing mechanism is as follows: the fast content production system initiates a receiving and recording request to the file receiving and recording system, and the file receiving and recording system receives and records the live stream information source into a video slice which accords with the specified file name rule according to the specified format of the fast content production system, so that the fast content production system can predict the format name and the path of the video slice which is not received and recorded; based on this preloading mode, the fast content production system can pre-write m3u8 files for arbitrary time periods according to video slice generation rules.
3. The real-time recording and strip-splitting system based on hls technology using the preloading mode as claimed in claim 1 or 2, wherein when a web client based on H5 page needs to edit the live stream, the time period needing to be edited is selected to request the server of the fast content production system, the server of the fast content production system automatically generates the corresponding m3u8 file according to the requested time period, the corresponding m3u8 file can be generated even if the future time period is included according to the m3u8 pre-writing mechanism, and the web client based on H5 page previews the current video in real time according to the preloading mode, so as to realize real-time material editing and strip-splitting.
4. The system for real-time recording and splitting based on hls technology in a preloading manner as claimed in claim 3, wherein after the web client based on the H5 page completes the splitting editing, a request is sent to the server of the fast content production system, the server of the fast content production system generates xml of the corresponding editing operation identifier according to the splitting operation result, and finally sends the material path and the xml file of the editing operation identifier to the file transcoding system, and the file transcoding system performs the transcoding operation on the originally recorded material file according to the information to finally generate the finished video.
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