CN109168015A - A kind of cloud cuts live streaming clipping method and system - Google Patents
A kind of cloud cuts live streaming clipping method and system Download PDFInfo
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- CN109168015A CN109168015A CN201811159939.7A CN201811159939A CN109168015A CN 109168015 A CN109168015 A CN 109168015A CN 201811159939 A CN201811159939 A CN 201811159939A CN 109168015 A CN109168015 A CN 109168015A
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/242—Synchronization processes, e.g. processing of PCR [Program Clock References]
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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
- H04N21/432—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
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- 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
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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
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- H04N21/81—Monomedia components thereof
- H04N21/8126—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts
- H04N21/8133—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts specifically related to the content, e.g. biography of the actors in a movie, detailed information about an article seen in a video program
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- H—ELECTRICITY
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- 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
- H04N21/835—Generation of protective data, e.g. certificates
- H04N21/8358—Generation of protective data, e.g. certificates involving watermark
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- H—ELECTRICITY
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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- 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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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention provides a kind of clouds to cut live streaming clipping method and corresponding system, real-time recording and editing can be carried out to live video, and it can according to need to markup informations such as editing video addition text, picture or watermarks, video information can be made more abundant, detailed, consequently facilitating the information that viewer's quick obtaining and accurate understanding editing video provide；The video that multistage can also be mutually related is combined, to expand video information, the information for issuing single more comprehensively, extensively, effectively improves the efficiency of information publication.Through the above way, editing and publication quickly and easily can be carried out to live information, it is suitble to large and medium-sized media to carry out real-time release dynamic in the continuous Living report of competitive sports, momentous conference, large-scale awards ceremony and special events, significantly improves the timeliness of news under the premise of guaranteeing complete documentation live information.
Description
Technical field
The invention belongs to live video editing technical field, in particular to a kind of cloud cuts live streaming clipping method and system.
Background technique
With the development of science and technology, improvement of living standard, people are while adapting to allegro life, for life product
The requirement of matter is also gradually promoted, this but also people more pay attention to the efficient utilization for the time, it is incident be exactly for
It reads, chase after play, viewing etc. and all pursue fragmentation and refiningization, to news and current affairs also more pursuit timeliness.Current video platform
It has been provided with and live ability is carried out for competitive sports, momentous conference, large-scale awards ceremony and special events, but see
It is many often to watch complete live streaming without time and efforts, just need news media to carry out real-time release to development trend at this time；
And the news of traditional text and graphic form has been unable to meet spectators' real-time tracing and dynamic demand is broadcast live, it is therefore desirable to a kind of
The method that real-time editing is carried out to live video, watches live video segment in time so as to spectators.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of clouds to cut live streaming clipping method and system.
Specific technical solution of the present invention is as follows:
One aspect of the present invention provides a kind of cloud and cuts live streaming clipping method, includes the following steps:
S1: access live streaming address obtains live video to be clipped；
S2: setting initial position and the final position of editing, finds phase in the live video according to the information of setting
The position answered simultaneously carries out editing to live video, obtains original segments；Additional information is added into the original segments, is obtained
The editing segment of finished product, the additional information include subtitle, label character, watermark, background audio, picture and other original sheets
At least one of section；
S3: the editing segment made is issued by network.
Further, the live streaming address is the address rtmp beginning or be ended up with m3u8, or is rtmp or hls agreement
Stream.
Further, being broadcast live and terminated when accessing the live streaming address, then live-mode is switched into playback mode,
Obtain the video progress editing that live streaming is completed.
Further, the specific method is as follows by step S2:
S2.1: on the time shaft of the live video manually or automated manner setting initial time and termination
Time, when reaching the start time point, operation front end starts live video described in synchronous recording, extremely the termination time point
When stop record, obtained recording segment is original segments；
S2.2: level-one additional information is added into the original segments, the level-one additional information includes subtitle, text mark
At least one of note, watermark and background audio, adjust the format of subtitle or label character and the form of watermark and position
It sets, and background audio is added as needed, obtain level-one segment；
S2.3: into the level-one segment add second level additional information, the second level additional information include picture and its
At least one of his original segments, by the second level additional information with patch form be connected to the level-one segment front or
Rear obtains second level segment；
S2.4:, which choosing the picture in the second level additional information, or any one picture is intercepted from the second level segment makees
For cover, the editing segment of finished product is obtained.
Further, in step S2.1, initial time is arranged in manual mode, and the specific method is as follows with the time is terminated:
It is selected on the time shaft of the live video or directly fills in initial time and terminate the time, and as needed for
Dislocation amplitude is arranged at least one of the initial time and the termination time, and the dislocation amplitude includes delay amplitude or mentions
Preceding amplitude；The initial time and the termination time are corrected according to the dislocation amplitude, when obtaining the starting of editing
Between put and terminate time point, the start time point is no earlier than operation front end and accesses time of the live video.
Further, in step S2.1, initial time is arranged in automated manner, and the specific method is as follows with the time is terminated:
It selects at least one to retrieve material, and is that same retrieval material searches at least two width different angles or different conditions
Image, and the feature of the retrieval material is analyzed and recorded；The retrieval material is searched in the live video to go out
The time point that the retrieval material occurs for the first time and last time occurs is set to the initial time of editing by existing part
With the termination time.
Further, in step S2.1, the method for recorded video is as follows:
One time threshold t0 is set, using retrieval time for occurring for the first time in the live video of material as
Initial time simultaneously starts synchronous recording, and acquires several video frames from the live video at random, therefrom searches the inspection
For Suo Sucai there is effect video frame, remaining video frame is invalid video frame；Calculate the multiple invalid video frames continuously occurred
In most previous invalid video frame and the last invalid video frame distance t will be described most previous invalid as t >=t0
The position of the nearest effective video frame of the front distance of video frame obtains original as time, and the shearing at the termination time is terminated
Segment.
Another aspect of the present invention provides a kind of cloud and cuts live streaming editing system, including following part:
Address AM access module is broadcast live, for accessing live streaming address, and obtains live video to be clipped, the live streaming address
It to be started with rtmp or with the address that m3u8 ends up, or is rtmp or hls protocol streams；
Editing management module, for setting initial position and the final position of editing, according to the information of setting described straight
It broadcasts and finds corresponding position in video and editing is carried out to live video, obtain original segments；
Additional information adding module adds additional information into the original segments, obtains the editing segment of finished product, described
Additional information includes at least one of subtitle, label character, watermark, background audio, picture and other original segments；
Release module, for issuing the editing segment made by network.
Further, the editing management module includes following part:
Manual setting unit, for initial time and termination to be selected or directly filled on the time shaft of the live video
Time, and dislocation amplitude is set as needed at least one of the initial time and the termination time, according to the mistake
Position amplitude is corrected the initial time and the termination time, obtains the start time point of editing and terminates time point；
Automatic setting unit searches the retrieval element for selecting at least one to retrieve material in the live video
The time point that the retrieval material occurs for the first time and last time occurs is set to the starting of editing by the part that material occurs
Time and termination time；
Synchronous recording unit, it is right for the facilities according to the manual setting unit or the automatic setting unit
The live video synchronizes recording, obtains original segments.
Further, the automatic setting unit includes following part:
It retrieves material and subelement is set, searched at least for selecting at least one to retrieve material, and for same retrieval material
The image of two width different angles or different conditions, and the feature of the retrieval material is analyzed and recorded；
Video frame search subelement, for from the retrieval material occurs for the first time in the live video at random from
Several video frames are acquired in the live video, therefrom searching the retrieval material, there is effect video frame, remaining videos
Frame is invalid video frame；
Time judgment sub-unit is terminated, for a time threshold t to be arranged0, and calculate the multiple invalid views continuously occurred
Most previous invalid video frame and the last invalid video frame distance t in frequency frame, as t >=t0When, it will be described most previous
The position of the nearest effective video frame of the front distance of invalid video frame is as the termination time.
Beneficial effects of the present invention are as follows: the present invention provides a kind of clouds to cut live streaming clipping method and corresponding system, can
To carry out real-time recording and editing to live video, and can according to need to editing video addition text, picture or watermark etc.
Markup information can make video information more abundant, detailed, consequently facilitating viewer's quick obtaining and accurate understanding editing video
The information of offer；The video that multistage can also be mutually related is combined, thus expand video information, the letter for issuing single
Breath more comprehensively, extensively, effectively improves the efficiency of information publication.By the above-mentioned means, can be quickly and easily to live information
Carry out editing and publication, be suitble to large and medium-sized media competitive sports, momentous conference, large-scale awards ceremony and special events company
Real-time release dynamic is carried out in continuous Living report, significantly improved under the premise of guaranteeing complete documentation live information news when
Effect property.
Detailed description of the invention
Fig. 1 is the flow chart that a kind of cloud described in embodiment 1 cuts live streaming clipping method；
Fig. 2 is the flow chart that a kind of cloud as described in example 2 cuts step S2 in live streaming clipping method；
Fig. 3 is the flow chart that a kind of cloud as described in example 4 cuts method for recording in live streaming clipping method；
Fig. 4 cuts the structural schematic diagram of live streaming editing system for a kind of cloud described in embodiment 5；
Fig. 5 cuts the structural schematic diagram of editing management module in live streaming editing system for a kind of cloud described in embodiment 6.
Specific embodiment
Invention is further described in detail with following embodiment with reference to the accompanying drawing.
Embodiment 1
As shown in Figure 1, the embodiment of the present invention 1, which provides a kind of cloud, cuts live streaming clipping method, include the following steps:
S1: access live streaming address obtains live video to be clipped；
It is the address rtmp beginning or be ended up with m3u8 that address, which is broadcast live, or is rtmp or hls protocol streams, or can be straight
It connects from the corresponding live streaming address of live streaming platform access；
S2: setting initial position and the final position of editing, is found in live video accordingly according to the information of setting
Position simultaneously carries out editing to live video, obtains original segments；Additional information is added into original segments, obtains cutting for finished product
Segment is collected, additional information includes subtitle (can add with self manufacture, can also directly add finished product subtitle), label character (packet
Include the markup informations such as name, place, item name, and be the literal with special effect of reinforcing effect addition), watermark (including producer's name
Claim label or TV station's logo, for declaring copyright ownership), background audio (background music or dubbing), picture (can cover
At least one of entire picture can also appear in the specific position of picture) and other original segments；
S3: the editing segment made is issued by network (can be the social platforms such as microblogging).
It present embodiments provides a kind of cloud and cuts live streaming clipping method, real-time recording and editing can be carried out to live video,
And can according to need to markup informations such as editing video addition text, picture or watermarks, video information can be made more to enrich,
In detail, consequently facilitating the information that viewer's quick obtaining and accurate understanding editing video provide；It can also be interrelated by multistage
Video be combined, to expand video information, the information for issuing single more comprehensively, extensively, effectively improves information hair
The efficiency of cloth.By the above-mentioned means, editing and publication quickly and easily can be carried out to live information, it is suitble to large and medium-sized media
Real-time release dynamic is carried out in the continuous Living report of competitive sports, momentous conference, large-scale awards ceremony and special events,
The timeliness of news is significantly improved under the premise of guaranteeing complete documentation live information.
Embodiment 2
As shown in Fig. 2, embodiment 2 discloses a kind of cloud on the basis of embodiment 1 cuts live streaming clipping method, the embodiment
2 further define in step S1, such as access live streaming address when, live streaming terminated, then live-mode is switched into playback mode,
Obtain the video progress editing that live streaming is completed.
Live streaming that is shorter for the time or failing accurate timing there are the time difference, or need from be completed live streaming and not yet
Information is obtained in the program of open complete video, above situation can not obtain live information in real time, switch to after access
Playback mode carries out editing, to obtain video as early as possible.
The specific method is as follows by step S2:
S2.1: on the time shaft of live video manually or automated manner setting initial time and terminate when
Between, when reaching start time point, operation front end starts synchronous recording live video, to stopping recording when terminating time point, obtains
To recording segment be original segments；
Since the video flowing of live streaming can not be substantially to live video by physical truncation, the editing to live streaming
Certain a part synchronizes duplication (recording)；
S2.2: level-one additional information is added into original segments, level-one additional information includes subtitle, label character, watermark
And at least one of background audio, adjust format (font, color, size, spacing, the language of subtitle or label character
Deng) and watermark form (title, media flag, TV station's logo etc.) and position, and background audio is added as needed, obtains
To level-one segment；
S2.3: second level additional information is added into level-one segment, second level additional information includes picture and other original sheets
Second level additional information, the front or behind of level-one segment is connected to patch form, obtains second level piece by least one of section
Section；
S2.4: choosing the picture in second level additional information or any one picture is intercepted from second level segment as cover,
Obtain the editing segment of finished product.
Embodiment 3
Embodiment 3 discloses a kind of cloud on the basis of embodiment 2 and cuts live streaming clipping method, which further limits
Determine in step S2.1, initial time is arranged in manual mode, and the specific method is as follows with the time is terminated:
It is selected on the time shaft of live video or directly fills in initial time and terminate the time, and as needed for starting
Time and at least one of time setting dislocation amplitude is terminated, dislocation amplitude includes delay amplitude or amplitude in advance；According to dislocation
Amplitude is corrected initial time and termination time, obtains the start time point of editing and terminates time point, start time point
It is no earlier than the time of operation front end access live video.
Initial time and termination time can be set by pulling time shaft, can also directly be filled in specific time point,
The duration that initial time can also first be set, fill in interception video again can be derived according to duration and terminate the time；Due to hand
Dynamic setting is easy that there are large errors, therefore for initial time and can terminate the time dislocation amplitude is arranged, when recording
It can be advanced or delayed according to dislocation amplitude and be recorded or terminated, important camera lens is omitted with face, or intercepted excessive incoherent
Camera lens.Simultaneously as operation leading portion could obtain live video after address is broadcast live in access, therefore start time point can not morning
In the time of access.
Embodiment 4
As shown in figure 3, embodiment 4 discloses a kind of cloud on the basis of embodiment 2 cuts live streaming clipping method, the embodiment
4 further define in step S2.1, and initial time is arranged in automated manner, and the specific method is as follows with the time is terminated:
Select at least one retrieval material (such as the face-image of certain sportsman, certain video display star, certain conference speech people,
Or the image of certain craftwork), and at least two width different angles (such as a front surface and a side surface) or difference are searched for same retrieval material
The image of state (such as eye opening and eye closing or illumination condition difference), and the feature of retrieval material is analyzed and recorded；?
The part that retrieval material occurs is searched in live video, will retrieve the time point point that material occurs for the first time and last time occurs
It is not set as the initial time of editing and terminates the time.
In step S2.1, the method for recorded video is as follows:
One time threshold t is set0, the time that retrieval material is occurred for the first time in live video is as initial time
And start synchronous recording, and acquire several video frames from live video at random, therefrom searching retrieval material, there is effects
Video frame, remaining video frame are invalid video frame；Calculate most previous invalid view in the multiple invalid video frames continuously occurred
Frequency frame and the last invalid video frame distance t, as t >=t0When, the front distance of most previous invalid video frame is nearest
The position of effective video frame obtains original segments as time, and the shearing at the termination time is terminated.
Since acquisition video frame has randomness, the video frame of acquisition may be unevenly distributed, therefore have continuous appearance
When invalid video frame (i.e. intermediate not occur effective video frame), if the duration t of this section of invalid video frame is (when being defaulted as wherein most
Previous invalid video frame is at a distance from the last invalid video frame) >=preset duration threshold value t0, then it is assumed that retrieval element
Material is not occurring in this section of video, at this time using the nearest effective video frame of front distance position as terminate the time into
Row shearing, the segment of acquisition, which can consider, substantially covers the range of the retrieval material in the video occurred at present.
The above method is suitable for the case where live video content distribution can be estimated, such as cuts from a certain competitive sports
The influence that special exercise person plays is taken, or targetedly intercepts someone speech from certain meeting.
Embodiment 5
As shown in figure 4, the embodiment of the present invention 5, which provides a kind of cloud, cuts live streaming editing system, including following part:
Address AM access module 1 is broadcast live, for accessing live streaming address, and obtains live video to be clipped, live streaming address is
It with address rtmp beginning or ended up with m3u8, or is rtmp or hls protocol streams；
Editing management module 2 is regarded according to the information of setting in live streaming for setting initial position and the final position of editing
Corresponding position is found in frequency and editing is carried out to live video, obtains original segments；；
Additional information adding module 3, additional information is added into original segments, obtains the editing segment of finished product, adds letter
Breath includes at least one of subtitle, label character, watermark, background audio, picture and other original segments；
Release module 4, the editing segment for will make are issued by network.
It present embodiments provides a kind of cloud and cuts live streaming editing system, editing management module 2 can access mould to live streaming address
The live video that block 1 accesses carries out real-time recording and editing, and can according to need and regarded by additional information adding module 3 to editing
The markup informations such as frequency addition text, picture or watermark can make video information more abundant, in detail, thus release module 4 into
After row publication, convenient for viewer's quick obtaining and the information of accurate understanding editing video offer；It can also be interrelated by multistage
Video be combined, to expand video information, the information for issuing single more comprehensively, extensively, effectively improves information hair
The efficiency of cloth.By above system, editing and publication quickly and easily can be carried out to live information, be suitble to large and medium-sized media
Real-time release dynamic is carried out in the continuous Living report of competitive sports, momentous conference, large-scale awards ceremony and special events,
The timeliness of news is significantly improved under the premise of guaranteeing complete documentation live information.
Embodiment 6
As shown in figure 5, embodiment 6 discloses a kind of cloud on the basis of embodiment 5 cuts live streaming editing system, the embodiment
6, which further define editing management module 2, includes following part:
Manual setting unit 21, when for the selection on the time shaft of live video or directly filling in initial time and terminate
Between, and as needed at least one of initial time and termination time setting dislocation amplitude, when according to dislocation amplitude to starting
Between and terminate the time be corrected, obtain editing start time point and terminate time point；
Automatic setting unit 22 is searched retrieval material in live video and is occurred for selecting at least one to retrieve material
Part, will retrieve the time point that material occurs for the first time and last time occurs is set to the initial time and termination of editing
Time；
Synchronous recording unit 23 regards live streaming for the facilities according to manual setting unit or automatic setting unit
Frequency synchronizes recording, obtains original segments.
Automatic setting unit 22 includes following part:
Retrieve material be arranged subelement 221, for select at least one retrieve material, and for same retrieval material search to
The image of few two width different angles or different conditions, and the feature of retrieval material is analyzed and recorded；
Video frame search subelement 222, for from retrieval material occur for the first time in live video at random from live streaming
Several video frames are acquired in video, therefrom search retrieval material there is effect video frame, remaining video frame is invalid view
Frequency frame；
Terminate time judgment sub-unit 223, for a time threshold t0 is set, and is calculated continuously occur it is multiple invalid
Most previous invalid video frame and the last invalid video frame distance t will most previous nothings as t >=t0 in video frame
The position of the nearest effective video frame of the front distance of effect video frame is as the termination time.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of cloud cuts live streaming clipping method, which comprises the steps of:
S1: access live streaming address obtains live video to be clipped；
S2: setting initial position and the final position of editing, is found in the live video according to the information of setting corresponding
Position simultaneously carries out editing to live video, obtains original segments；Additional information is added into the original segments, obtains finished product
Editing segment, the additional information includes in subtitle, label character, watermark, background audio, picture and other original segments
At least one；
S3: the editing segment made is issued by network.
2. cloud as described in claim 1 cuts live streaming clipping method, which is characterized in that the live streaming address be with rtmp beginning or
It with the address that m3u8 ends up, or is rtmp or hls protocol streams.
3. cloud as described in claim 1 cuts live streaming clipping method, which is characterized in that when address being broadcast live as described in access, be broadcast live
It has been terminated that, then live-mode is switched into playback mode, obtained the video progress editing that live streaming is completed.
4. cloud as described in claim 1 cuts live streaming clipping method, which is characterized in that the specific method is as follows by step S2:
S2.1: on the time shaft of the live video manually or automated manner setting initial time and terminate when
Between, when reaching the start time point, when operation front end starts live video described in synchronous recording, extremely the termination time point
Stop recording, obtained recording segment is original segments；
S2.2: into the original segments add level-one additional information, the level-one additional information include subtitle, label character,
The format of subtitle or label character and the form of watermark and position are adjusted at least one of watermark and background audio,
And background audio is added as needed, obtain level-one segment；
S2.3: second level additional information is added into the level-one segment, the second level additional information includes picture and other are former
At least one of beginning segment, by the second level additional information with patch form be connected to the level-one segment front or after
Side, obtains second level segment；
S2.4: choosing the picture in the second level additional information or any one picture is intercepted from the second level segment as envelope
Face obtains the editing segment of finished product.
5. cloud as claimed in claim 4 cuts live streaming clipping method, which is characterized in that in step S2.1, manual mode is arranged
Beginning, time and termination time, the specific method is as follows:
It is selected on the time shaft of the live video or directly fills in initial time and terminate the time, and as needed for described
Dislocation amplitude is arranged at least one of initial time and the termination time, and the dislocation amplitude includes delay amplitude or width in advance
Degree；The initial time and the termination time are corrected according to the dislocation amplitude, obtain the start time point of editing
With termination time point, the start time point is no earlier than the time that the live video is accessed in operation front end.
6. cloud as claimed in claim 4 cuts live streaming clipping method, which is characterized in that in step S2.1, automated manner is arranged
Beginning, time and termination time, the specific method is as follows:
It selects at least one to retrieve material, and searches at least figure of two width different angles or different conditions for same retrieval material
Picture, and the feature of the retrieval material is analyzed and recorded；The retrieval material is searched in the live video to occur
Part, by it is described retrieval material for the first time occur and last time occur time point be set to editing initial time and
Terminate the time.
7. cloud as claimed in claim 6 cuts live streaming clipping method, which is characterized in that in step S2.1.2, the side of recorded video
Method is as follows:
One time threshold t is set0, the time that the retrieval material is occurred for the first time in the live video is as starting
Time simultaneously starts synchronous recording, and acquires several video frames from the live video at random, therefrom searches the retrieval element
For material there is effect video frame, remaining video frame is invalid video frame；It calculates in the multiple invalid video frames continuously occurred most
Previous invalid video frame and the last invalid video frame distance t, as t >=t0When, it will the most previous invalid video
The position of the nearest effective video frame of the front distance of frame obtains original segments as time, and the shearing at the termination time is terminated.
8. a kind of cloud cuts live streaming editing system, which is characterized in that including following part:
It is broadcast live address AM access module (1), for accessing live streaming address, and obtains live video to be clipped, the live streaming address
It to be started with rtmp or with the address that m3u8 ends up, or is rtmp or hls protocol streams；
Editing management module (2), for setting initial position and the final position of editing, according to the information of setting in the live streaming
Corresponding position is found in video and editing is carried out to live video, obtains original segments；；
Additional information adding module (3), adds additional information into the original segments, obtains the editing segment of finished product, described
Additional information includes at least one of subtitle, label character, watermark, background audio, picture and other original segments；
Release module (4), for issuing the editing segment made by network.
9. cloud as claimed in claim 8 cuts live streaming editing system, which is characterized in that the editing management module (2) includes such as
Lower part:
Manual setting unit (21), for initial time and termination to be selected or directly filled on the time shaft of the live video
Time, and dislocation amplitude is set as needed at least one of the initial time and the termination time, according to the mistake
Position amplitude is corrected the initial time and the termination time, obtains the start time point of editing and terminates time point；
Automatic setting unit (22) searches the retrieval element for selecting at least one to retrieve material in the live video
The time point that the retrieval material occurs for the first time and last time occurs is set to the starting of editing by the part that material occurs
Time and termination time；
Synchronous recording unit (23), it is right for the facilities according to the manual setting unit or the automatic setting unit
The live video synchronizes recording, obtains original segments.
10. cloud as claimed in claim 9 cuts live streaming editing system, which is characterized in that the automatic setting unit (22) includes
Following part:
Material setting subelement (221) is retrieved, is searched at least for selecting at least one to retrieve material, and for same retrieval material
The image of two width different angles or different conditions, and the feature of the retrieval material is analyzed and recorded；
Video frame searches subelement (222), for random from the retrieval material occurs for the first time in the live video
Several video frames are acquired from the live video, therefrom searching the retrieval material, there is effect video frame, remaining views
Frequency frame is invalid video frame；
It terminates time judgment sub-unit (223), for a time threshold t to be arranged0, and calculate the multiple invalid views continuously occurred
Most previous invalid video frame and the last invalid video frame distance t in frequency frame, as t >=t0When, it will be described most previous
The position of the nearest effective video frame of the front distance of invalid video frame is as the termination time.
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