CN108632541A - A kind of more video clip merging methods and device - Google Patents
A kind of more video clip merging methods and device Download PDFInfo
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- CN108632541A CN108632541A CN201710166502.5A CN201710166502A CN108632541A CN 108632541 A CN108632541 A CN 108632541A CN 201710166502 A CN201710166502 A CN 201710166502A CN 108632541 A CN108632541 A CN 108632541A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/265—Mixing
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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
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26258—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for generating a list of items to be played back in a given order, e.g. playlist, or scheduling item distribution according to such list
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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]
- H04N21/80—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
- H04N21/8547—Content authoring involving timestamps for synchronizing content
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- 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
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
Abstract
The embodiment of the invention discloses a kind of more video clip merging methods and devices, the first preset quantity video clip to be combined that this method obtains, with the attribute information of each video clip, according to attribute information, the fileinfo section for the first preset quantity video clip is generated, the corresponding initial position of each video clip is included at least in fileinfo section；According to the corresponding initial position of above-mentioned each video clip, each video clip is merged into merging data section；Fileinfo section and merging data section are combined, stores to one and merges in file.It can be seen that, more video clip merging are carried out using scheme provided in an embodiment of the present invention, multiple video clips can be merged and be stored into a file, it no longer needs to open one by one when opening above-mentioned more video clips in this way, the speed for opening more video clips is improved, and then reduces the difficulty being managed to more video clips.
Description
Technical field
The present invention relates to technical field of video monitoring, more particularly to a kind of more video clip merging methods and device.
Background technology
In recent years, with the promotion of people's awareness of safety, video monitoring system everywhere may be used in the production and living of people
To see, video monitoring system can effectively prevent and hit the uncivil phenomenons such as delinquent, traffic violations, therefore, video prison
Control system be widely used in chain store, kindergarten, household, factory, public security fire-fighting, bank, military installations, highway,
The ground such as market, hotel, tourist attractions, cell, hospital, prison, bunder.
Multiple cameras are often disposed in video monitoring system, these usual cameras are installed in different positions
It sets, therefore the video clip of different camera shootings is often different, even the same camera is shot in different time sections
Video clip it is also different, then, multiple video clips can be generated in video monitoring system, multiple video clips are referred to as to regard more
Frequency segment.Above-mentioned more video clips are managed for convenience, it usually needs above-mentioned multiple video clips are stored,
The process stored at present to above-mentioned multiple video clips is substantially：Multiple video clips are stored to same file and are pressed from both sides
In, a file for including multiple video clips is formed, and in user when checking above-mentioned multiple video clips, general meeting
Multiple video clips are opened simultaneously to be checked, since above-mentioned storing process is only simply to put multiple video clips
In a file, then, in multiple video clips in opening this document folder, there is still a need for opening one by one, behaviour
Make very complicated, the speed for opening more video clips is slow, and in the case of a large amount of video clip, this will increase to more
The complexity that video clip is managed.
Invention content
The embodiment of the present invention is designed to provide a kind of more video clip merging methods and device, is regarded with improving to open more
The speed of frequency segment, and then reduce the complexity being managed to more video clips.
In order to achieve the above objectives, the embodiment of the invention discloses a kind of more video clip merging methods, this method includes：
Obtain the first preset quantity video clip to be combined；
The attribute information of each video clip is obtained, the attribute information includes at least the broadcasting of the video clip
Duration；
According to the attribute information, the fileinfo section for the first preset quantity video clip is generated, it is described
Fileinfo section includes at least the corresponding initial position of each video clip；
According to the corresponding initial position of each video clip in the fileinfo section, each video clip is merged into merging number
According to section；
The fileinfo section and the merging data section are combined, stores to one and merges in file.
Optionally, the fileinfo section and the merging data section are combined described, is stored to a merging file
In step before, the method further includes：
Generate the corresponding index data of each video clip in the merging data section；
According to the corresponding index data of each video clip, the index data section for the merging data section is generated；
It is described to combine the fileinfo section and the merging data section, it stores to one and merges in file, including：
The fileinfo section, the merging data section and the index data section are combined, stores to one and merges
In file.
Optionally, described the step of generating the corresponding index data of each video clip in the merging data section, including：
The characteristic information of key frame included in each video clip is obtained, the characteristic information includes：Frame number, timestamp
At least one of information, playing time information；
According to the corresponding characteristic information of each video clip, the index data for the video clip is generated.
Optionally, described according to the corresponding index data of each video clip, generate the index for the merging data section
The step of data segment, including：
Put in order according to each video clip in the merging data section, to the corresponding index data of each video clip into
Row arrangement, obtains index data sequence；
Index initial code is generated, the index initial code is added before the index data sequence, generates and is directed to the conjunction
And the index data section of data segment.
Optionally, the method further includes：
It receives for the open instructions for merging file；
The merging file is read, according to the fileinfo section, determines the total quantity of video clip and each piece of video
The corresponding initial position of section；
The decoding for establishing quantity identical as the total quantity plays channel, and it is logical that each video clip corresponds to a decoding broadcasting
Road；
According to the corresponding initial position of each video clip, by the video clip imported into corresponding decoding play channel into
Row decoding plays.
Optionally, the method further includes：
It is decoded in playing process, receives input by user for one in the merging file in the video clip
Or the broadcasting location information of multiple video clips, the broadcasting location information include：Frame number, timestamp information, playing time letter
At least one of breath；
According to the merging file, the index data section for the merging data section is obtained；
According to the index data section and the broadcasting location information, video corresponding with the broadcasting location information is determined
First key frame of segment；
The corresponding video clip of the broadcasting location information is jumped to corresponding first key frame position to play out.
Optionally, described according to the merging file, the step of obtaining the index data section for the merging data section,
Including：
It detects in the merging file with the presence or absence of index initial code, and if it exists, by preset length after the index initial code
Data be determined as index data section.
In order to achieve the above objectives, the embodiment of the invention also discloses a kind of more video clips to merge device, which includes：
First obtains module, for obtaining the first preset quantity video clip to be combined；
Second obtains module, the attribute information for obtaining each video clip, and the attribute information includes at least
The playing duration of the video clip；
First generation module, for according to the attribute information, generating and being directed to the first preset quantity video clip
Fileinfo section, the fileinfo section include at least the corresponding initial position of each video clip；
Merging module is used for according to the corresponding initial position of each video clip in the fileinfo section, by each piece of video
Section merges into merging data section；
Composite module is stored for combining the fileinfo section and the merging data section to a merging file
In.
Optionally, described device further includes：
Second generation module, for generating the corresponding index data of each video clip in the merging data section；
Third generation module, for according to the corresponding index data of each video clip, generating and being directed to the merging data section
Index data section；
The composite module, is specifically used for：
The fileinfo section, the merging data section and the index data section are combined, stores to one and merges
In file.
Optionally, second generation module, is specifically used for：
The characteristic information of key frame included in each video clip is obtained, the characteristic information includes：Frame number, timestamp
At least one of information, playing time information；
According to the corresponding characteristic information of each video clip, the index data for the video clip is generated.
Optionally, the third generation module, is specifically used for：
Put in order according to each video clip in the merging data section, to the corresponding index data of each video clip into
Row arrangement, obtains index data sequence；
Index initial code is generated, the index initial code is added before the index data sequence, generates and is directed to the conjunction
And the index data section of data segment.
Optionally, described device further includes：
First receiving module, for receiving for the open instructions for merging file；
Read module, according to the fileinfo section, determines the total quantity of video clip for reading the merging file
And the corresponding initial position of each video clip；
Module is established, the decoding for establishing quantity identical as the total quantity plays channel, and each video clip corresponds to
One decoding plays channel；
Decoder module, for according to the corresponding initial position of each video clip, the video clip being imported into corresponding
Decoding plays channel and is decoded broadcasting.
Optionally, described device further includes：
Second receiving module receives input by user be directed to for being decoded in playing process in the video clip
The broadcasting location information of one or more video clips, the broadcasting location information include in the merging file：Frame number, time
Stab at least one of information, playing time information；
Third obtains module, for according to the merging file, obtaining the index data section for the merging data section；
Determining module, for according to the index data section and the broadcasting location information, determining and determining with described play
Position information corresponds to the first key frame of video clip；
Playing module, for the corresponding video clip of the broadcasting location information to be jumped to the corresponding first crucial framing bit
It sets and plays out.
Optionally, the third obtains module, is specifically used for：
It detects in the merging file with the presence or absence of index initial code, and if it exists, by preset length after the index initial code
Data be determined as index data section.
To sum up, in scheme provided in an embodiment of the present invention, the first preset quantity video to be combined of acquisition
Segment, and the attribute information of each video clip generate the text for the first preset quantity video clip according to attribute information
Part message segment includes at least the corresponding initial position of each video clip in fileinfo section；It is corresponded to according to above-mentioned each video clip
Initial position, each video clip is merged into merging data section；Fileinfo section and merging data section are combined, stored to one
In a merging file；Therefore, more video clip merging are carried out using scheme provided in an embodiment of the present invention, it can be multiple videos
Segment merging is stored into a file, in this way when opening above-mentioned more video clips, it is only necessary to open this file i.e.
It can, it is no longer necessary to open one by one, improve the speed for opening more video clips, and then reduce and more video clips are managed
Difficulty.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of flow diagram of more video clip merging methods provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of fileinfo section particular content in the embodiment of the present invention；
Fig. 3 is a kind of schematic diagram of merging data section particular content in the embodiment of the present invention；
Fig. 4 is another flow diagram of more video clip merging methods provided in an embodiment of the present invention；
Fig. 5 is a kind of schematic diagram of index data section particular content in the embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram that more video clips provided in an embodiment of the present invention merge device；
Fig. 7 is another structural schematic diagram that more video clips provided in an embodiment of the present invention merge device.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
Below by specific embodiment, the present invention will be described in detail.
Fig. 1 is a kind of flow diagram of more video clip merging methods provided in an embodiment of the present invention, and this method includes
Step：
S101：Obtain the first preset quantity video clip to be combined；
It will be appreciated to those of skill in the art that video clip is the concept of a broad sense, it is generally recognized that have certain
The video of playing duration is exactly video clip, for example, some filming apparatus such as mobile phone, computer, video camera, monitoring device are recorded
Small video be exactly a video clip.
Multiple cameras are often disposed in video monitoring system, these usual cameras are installed in different positions
It sets.Such as：Video monitoring system is arranged for road " Changning main road ", and 8 camera shootings are disposed in the video monitoring system
Head, each camera, which corresponds to, is mounted on an intersection, as camera 1 is mounted on intersection 1, camera 2 is mounted on and hands over
Prong 2 ..., camera 8 be mounted on intersection 8, in the case where above-mentioned 8 cameras all work normallys, this 8 cameras divide
The monitor video of corresponding intersection can not be taken, is mutually independent between this 8 cameras, therefore each camera is clapped
The monitor video taken the photograph is also independent, and the monitor video of camera shooting is lost in order to prevent, will usually every a period
The monitor video that camera takes is saved, each video is a video clip, manages and checks for convenience,
Multiple video clips are merged into a file and stored by the embodiment of the present invention.Assuming that in this day 2016-10-10, take the photograph
As head 1-8 takes monitor video 1-8 (i.e. video clip 1-8) respectively, then, monitor video 1-8 can serve as to be combined
8 video clips, therefore, it is possible to obtain 8 video clips to be combined.
In a kind of specific implementation provided in an embodiment of the present invention, a video clip list selection circle can be provided
Face is provided with multiple video clips in the video clip list, user can select from above-mentioned video clip list to be thought
Combined video clip, the video clip that user selects are video clip to be combined.
The above-mentioned simple declaration carried out only by taking video monitoring system as an example carrys out scheme provided in an embodiment of the present invention
It says, the concrete form and particular content to video clip do not limit, for example, 5 music short-movies have been locally stored
The video of (Music Video, abbreviation MV), 6 films and 8 oneself shooting, these above-mentioned videos are video clip；That
, video clip to be combined can be at least one video clip being locally stored, then, video-frequency band to be combined can be with
For：3 MV and 2 films either 5 MV and 4 oneself shooting videos or 6 oneself shooting videos or its
The combination of his form, the embodiment of the present invention do not limit the quantity of the form of video clip, content and video clip.
S102：The attribute information of each video clip is obtained, the attribute information includes at least the video clip
Playing duration；
It is understood that it may include piece of video that each video clip, which has its corresponding attribute information, attribute information,
The playing duration of section, the format etc. of the title of video clip, the size of video clip, video clip.It is worth noting that being
Accurately video clip is merged, in scheme provided in an embodiment of the present invention, above-mentioned attribute information at least needs to wrap
Include the playing duration of video clip.And after above-mentioned acquisition video clip to be combined, for each video clip, it
It is that corresponding playing duration is to determine and be known, therefore, it is possible to obtain the attribute information of above-mentioned each video clip.
Illustratively, it is assumed that above-mentioned 8 video clips to be combined are respectively monitor video 1-8, monitor video 1-8 difference
Corresponding playing duration be 100min (minute), 120min, 80min, 100min, 90min, 60min, 80min, 80min, then
Obtain monitor video 1 attribute information be：Playing duration is 100min, the attribute information of acquisition monitor video 1 is：Playing duration
For 120min ..., obtain monitor video 8 attribute information be：Playing duration is 80min.
It should be noted that above-mentioned only by taking attribute information includes the playing duration of video clip as an example, the category of video clip
Property information in addition to the playing duration including corresponding video clip, can also include the title of video clip, the size of video clip,
Format of video clip etc., therefore, the embodiment of the present invention do not do into one the particular content of the attribute information of video clip
Step limits.
S103：According to the attribute information, the fileinfo section for the first preset quantity video clip is generated,
The fileinfo section includes at least the corresponding initial position of each video clip；
From the foregoing, it will be observed that the playing duration of the video clip is included at least in the attribute information of video clip to be combined, that
, according to the attribute information for each video clip of above-mentioned acquisition, can determine the initial position of each video clip, give tacit consent to
Under state, the sequencing that can be obtained according to video clip, it is assumed that the sequencing for obtaining video clip is：Monitor video 1
→ monitor video 2 → monitor video, 3 → monitor video, 4 → monitor video, 5 → monitor video, 6 → monitor video, 7 → monitor video
8, if that not special setting, can merge according to from monitor video 1 to the sequence of monitor video 8, it is simple to manage
Solution is exactly, monitor video 1 followed by being exactly monitor video 2, i.e. the end position of monitor video 1 is exactly monitor video 2
Initial position, the initial position of monitor video 3 is the end position of monitor video 2, according to above-mentioned rule, monitor video 8
Start bit be monitor video 7 end position, be to determine due to the playing duration of each monitor video, as long as then knowing
The initial position of road monitor video 1, then all initial positions of this above-mentioned 8 monitor videos and end position can be true
It is fixed.
Illustratively, it is assumed that 1 corresponding initial position of monitor video was 0 moment, then by default, according to above-mentioned
Sequence can determine 1 corresponding end position of monitor video be 100min, the initial position of monitor video 2 and end position
Respectively：100min and 220min, the initial position of monitor video 3 and end position are respectively：220min and
300min ... ..., the initial position of monitor video 8 and end position are respectively：630min and 710min.As it can be seen that above-mentioned can
Determine initial position and the end position of each video clip, and for the embodiment of the present invention, each video clip rises
Beginning position is necessary, and the corresponding end position of the video clip can be calculated according to the corresponding playing duration of the video clip
It obtains, therefore, can only determine the corresponding initial position of video clip.The above-mentioned corresponding start bit of each video clip
It sets and may make up the corresponding fileinfo section of above-mentioned 8 monitor videos together.
Due to each video clip be in form it is reciprocity, above-mentioned sortord is only a kind of specific reality
Existing mode, for the sequencing between each video clip, the embodiment of the present invention is not specifically limited.
Can also include others in view of the convenience to merging file finishing operations, in the fileinfo section of above-mentioned generation
Information.For example, the identification information (usually being indicated with initial code) of merging file, the length of this document message segment, video clip
The version number etc. of total quantity and this document message segment.As shown in Fig. 2, in the embodiment of the present invention, fileinfo section is specific
A kind of schematic diagram of content, fileinfo section shown in Fig. 2 may include：Initial code, the length of fileinfo section, version number,
Video clip total quantity, the initial position of video clip 1, video clip 1 end position ..., the start bit of video clip 8
It sets and the end position of video clip 8.Wherein：
Initial code indicates the beginning of fileinfo section, is the mark of fileinfo section, can determine that this document is to merge text
Part can use 4 byte-identifiers.
The length of fileinfo section refers to the occupied byte length of fileinfo section, can use 4 byte representations.
Version number indicates the corresponding current state of this document message segment, if to any composition in this document message segment
Part changes, then version number changes correspondence, can be changed by way of upgrading.
The total quantity of video clip, the i.e. total quantity of video clip in fileinfo section.
Initial position and end position respectively correspond to the beginning and end of video clip.
It is noted that content shown in Fig. 2 is only to include one kind of particular content to above-mentioned fileinfo section, and this
The position of inventive embodiments not each information to including in above-mentioned Fig. 2 is defined, meanwhile, in addition to comprising above-mentioned information,
Can also include file name in fileinfo section, coded format of video clip etc., therefore, the embodiment of the present invention be not right
The particular content of fileinfo section further limits.
S104：According to the corresponding initial position of each video clip in the fileinfo section, each video clip is merged into
Merging data section；
It is understandable to be, the initial position of a video clip is included in fileinfo section obtained above, then, only need
The initial position that the corresponding merging of each video clip is determined in fileinfo section, it will be able to close above-mentioned each video clip
And at a merging data section.It is emphasized that according to the corresponding initial position of each video clip to the video clip into
During row merges, it is independent from each other between each video clip, only end to end effect, each video clip can
Independent decoding, therefore the coded format of multiple video clips to be combined can be the same or different, the embodiment of the present invention pair
This is not specifically limited.
Illustratively, it is also illustrated so that video clip 1-8 is monitor video 1-8 as an example, it is understandable to be, above-mentioned
In fileinfo section determine the corresponding initial positions monitor video 1-8 be respectively 0,100min, 220min, 300min,
400min, 490min, 550min, 630min, then can corresponding start bit be incorporated into above-mentioned monitor video 1-8
Place is set, as shown in figure 3, in the embodiment of the present invention, a kind of schematic diagram of merging data section particular content.
S105：The fileinfo section and the merging data section are combined, stores to one and merges in file.
After obtaining above-mentioned merging data section, which is merged with the fileinfo section of aforementioned generation
Together, in storage a to file.Under normal conditions, fileinfo section is located at the front end for merging file, i.e. fileinfo section exists
The front end of merging data section, but the embodiment of the present invention is not done the sequencing of fileinfo section and merging data section and is clearly limited
It is fixed.
From the foregoing, it will be observed that being independent from each other between each video clip in merging data section, independently it can decode and play,
Therefore, it by above-mentioned fileinfo section, is capable of determining that the position of video clip in the merging file, while can be respectively to regard
Frequency segment provides decoding broadcasting channel and need not be directed to again therefore, it is possible to the effect realized multiple video clips while be opened
Each video clip is opened one by one.
It should be noted that above example is only said by video clip to be combined for what is carried out for monitor video 1-8
Bright, the embodiment of the present invention is not defined the quantity of video clip to be combined, simultaneously because in shape between video clip
It is completely reciprocity in formula, therefore the embodiment of the present invention is not also defined the coded format of each video clip.
To sum up, in scheme provided in an embodiment of the present invention, the first preset quantity video to be combined of acquisition
The attribute information of segment and each video clip generates the text for the first preset quantity video clip according to attribute information
Part message segment includes at least the corresponding initial position of each video clip in fileinfo section；It is corresponded to according to above-mentioned each video clip
Initial position, each video clip is merged into merging data section；Fileinfo section and merging data section are combined, stored to one
In a merging file；Therefore, the scheme that 1 embodiment of application drawing provides carries out more video clip merging, can be multiple piece of video
Section, which merges, to be stored into a file, in this way when opening above-mentioned more video clips, it is only necessary to this file is opened,
It no longer needs to open one by one, improves the speed for opening more video clips, and then reduce the difficulty being managed to more video clips
Degree.
Fig. 4 is another flow diagram of more video clip merging methods provided in an embodiment of the present invention, except comprising upper
It states outside the step S101-S105 that Fig. 1 is provided in embodiment, after step s 104, before step S105, the method further includes
Step：
S106：Generate the corresponding index data of each video clip in the merging data section；
In order to which further above-mentioned multiple video clips are managed, it can search and position easily and fast and is corresponding
Video clip, it is described to generate each piece of video in the merging data section in a kind of realization method provided in an embodiment of the present invention
The corresponding index data of section may include：
The characteristic information of key frame included in each video clip is obtained, the characteristic information includes：Frame number, timestamp
At least one of information, playing time information；
According to the corresponding characteristic information of each video clip, the index data for the video clip is generated.
Optionally, for each video clip in merging data section, all keys that can included according to the video clip
The characteristic information of frame generates the index data for the video clip.
It will be appreciated to those of skill in the art that including multiple key frames, above-mentioned described pass in a video clip
Key frame typically refers to I frames, and I frames are independent frames, it can not be made reference and absolute coding with other any video frame, therefore, I frames
It can be used as key frame, be used for the content information of marking video segment, I frames have corresponding characteristic information, characteristic information can be with
Including：Frame number, timestamp information, playing time information etc., certain characteristic information are not necessarily to include above-mentioned all letters
Breath can be combination or the whole of above- mentioned information, be not the exhaustion of content included to characteristic information here.
For each video clip, the characteristic information it includes key frame can be quickly searched, retrieves or directly acquire,
For example, including 200 key frames (I frames) in monitor video 1, the 1st corresponding frame number of I frames is I0, timestamp is：2016-
10-10-10:10:10, playing time is：00:00, the 2nd corresponding frame number of I frames is I16, timestamp is：2016-10-10-
10:10:11, playing time is：00:01 ... ..., the 100th corresponding frame number of I frames is I1600, timestamp is：2016-10-
10-11:00:09, playing time is：49:59 ... ..., the 200th corresponding frame number of I frames is I3200, timestamp is：2016-
10-10-11:50:09, playing time is：99:59, it is seen then that the characteristic information of this above-mentioned 200 I frames can be navigated to quickly
Any time period of monitor video 1 can realize quick positioning, greatly reduce the positioning difficulty to video clip.By
There is similar structure between each monitor video, therefore will not enumerate at this.
S107：According to the corresponding index data of each video clip, the index data section for the merging data section is generated；
As from the foregoing, after by being parsed to each video clip in above-mentioned merging data section, for each
Video clip can obtain its corresponding index data, in order to which these index informations are managed and are searched for, can incite somebody to action
These index datas are arranged in a certain order, generate the index data section for above-mentioned merging data section.
It is described according to the corresponding index number of each video clip in a kind of specific implementation provided in an embodiment of the present invention
According to generation may include for the index data section of the merging data section：
Put in order according to each video clip in the merging data section, to the corresponding index data of each video clip into
Row arrangement, obtains index data sequence；
Index initial code is generated, the index initial code is added before the index data sequence, generates and is directed to the conjunction
And the index data section of data segment.
It, can be according to respectively being regarded in merging data section in order to corresponding with the sequence of each video clip in above-mentioned merging data section
Frequency segment puts in order, and the corresponding index data of each video clip is arranged together, and forms index data sequence；For side
Just the index data sequence is searched, and then realizes that accurately positioning function, scheme provided in an embodiment of the present invention can be with needles
To above-mentioned index data sequence, an index initial code is generated, and the index initial code of generation is merged in the index data sequence
The front end of row generates the index data section for the merging data section.As shown in figure 5, in the embodiment of the present invention, index number
According to a kind of schematic diagram of section particular content, index data section shown in fig. 5 may include：Index initial code and index data sequence
Row, wherein include the corresponding index datas of video clip 1-8 in index data sequence, and the index data of each video clip
May include again：The index data length and index data, specifically：
Initial code is indexed, the beginning of index information section is indicated, the position of index data section is can recognize that by it.
Index data length refers to the byte shared by manipulative indexing data.
Index data, i.e. index data itself.
Certainly, content shown in Fig. 5 is only to include one kind of particular content to above-mentioned index data section, removes and includes above-mentioned letter
Breath is outer, can also include file name, index data segment length etc. in index data section, therefore, the embodiment of the present invention is not
The particular content of index data section is further limited.
It should be noted that after the above-mentioned corresponding index data section for the generation of merging data section, it is above-mentioned by institute
Fileinfo section and merging data section combination are stated, stores to one and merges in file, may include：
The fileinfo section, the merging data section and the index data section are combined, stores to one and merges
In file.
To sum up, the scheme that 4 embodiment of application drawing provides can be obtained each by being parsed to each video clip
The characteristic information for the key frame for including in video clip, and generate the index number for the video clip according to these characteristic informations
According to being ranked up to obtain index data section to index data, by the index data section and above-mentioned merging data section and text
Part message segment merges, and stores to one and merges in file, by index data section, can be carried out accurately to video clip
Positioning, the convenient management work to more video files, the user experience is improved.
Based on the embodiment that above-mentioned Fig. 4 is provided, in another realization method provided in an embodiment of the present invention, deposited merging file
Chu Hou, this method can also include the steps that merging opening and the video clip broadcasting of file, specifically include：
Step A：It receives for the open instructions for merging file；
Step B：The merging file is read, according to the fileinfo section, determines the total quantity of video clip and each
The corresponding initial position of video clip；
, it is understood that it is above-mentioned multiple video clips will be merged after, can obtain merge file, the conjunction
And the management that file can be stored in local storage space so as to the later stage, it inevitably needs to be again turned on the merging
File for equipment either client, can receive beating for the merging file when opening the merging file
Open instruction；For example, user has issued the instruction for opening the merging file, is connecing by clicking the operations such as mouse or sliding screen
After receiving the open instructions, just start to read the merging file.As from the foregoing, which includes that there are three portions
Point, respectively：Fileinfo section, merging data section and index data section, then, piece of video can determine by fileinfo section
The total quantity of section, and can also determine the corresponding initial position of each video clip.
Referring to above-mentioned fileinfo section shown in Fig. 2, it can determine this document just according to the initial code of this document message segment
It is to merge file, and determine to include video clip in the merging file by the video clip total quantity in fileinfo section
Total quantity is 8, and the initial position by video clip and end position, can at least determine that each video clip corresponds to
Initial position, the determining corresponding initial positions monitor video 1-8 be respectively 0,100min, 220min, 300min,
400min, 490min, 550min, 630min, these initial positions are that corresponding video clip starts the position played, therefore,
Corresponding video clip can be found by these initial positions.
Step C：The decoding for establishing quantity identical as the total quantity plays channel, and each video clip corresponds to a decoding
Play channel；
Due to being independent from each other between video clip in merging data section, broadcasting can either be independently decoded, based on above-mentioned
Content can establish a decoding for each video clip and play channel, and the decoding that can establish quantity identical as total quantity plays
Channel.For example, by taking the total quantity in merging data section including video clip is 8 as an example, i.e., regarded comprising monitoring in merging data section
Frequency 1-8, it is possible to which establishing decoding corresponding with each monitor video respectively plays channel 1-8, totally 8 decodings play channel,
Decoding plays channel 1-8 for being decoded broadcasting to monitor video 1-8.
Step D：According to the corresponding initial position of each video clip, the video clip is imported into corresponding decoding and is played
Channel is decoded broadcasting.
After establishing decoding for each video clip and playing channel, each video clip can pass through corresponding solution
Code plays channel and is decoded broadcasting, can be played in corresponding display window, user can view the tool of video clip
Hold in vivo.It is understood that can have multiple display windows in display, each display window, which corresponds to, plays a piece of video
Section connects a decoding and plays channel.
To sum up, it using scheme provided in an embodiment of the present invention, establishes corresponding decoding for each video clip and broadcasts
Channel is put, then video clip is imported into corresponding decoding broadcasting channel and is decoded broadcasting, is phase between each video clip
It is mutually independent, can broadcasting be decoded to above-mentioned multiple video clips simultaneously.
In another realization method provided in an embodiment of the present invention, on the basis of a upper embodiment, this method is also wrapped
It includes：
Step E：It is decoded in playing process, receives input by user for the merging file in the video clip
The broadcasting location information of middle one or more video clip, the broadcasting location information include：Frame number, timestamp information, broadcasting
At least one of time information；
In video monitoring system, since combined monitor video is usually in the time or spatially there is certain passes
Connection property, for example, spatially there is one by the monitor video 1-8 captured by the camera 1-8 arranged on " Changning main road "
Fixed relevance.And be independent from each other between each monitor video, then the time that the decoding of each monitor video plays may not have
Sequencing, if in this way if finding that there are one troublemaker's for appearance in a certain monitor video when watching above-mentioned each monitor video
Other relevant monitor videos timely and effectively can not be navigated to the same period and played out by words.For example, in 2016-
This days of 10-10 certain time period (such as：11:00:00-11:20:00), there is a troublemaker to pass through from the section road, supervising
Video 1 is controlled to play to 49:Occur the troublemaker when 59 in picture, and at this moment, other several monitor videos may be played at it
In his, what can not be synchronized views whereabouts of the troublemaker on " Changning main road " section period.
For above-mentioned phenomenon, the position that the troublemaker occurs in monitor video 1-8 is rapidly aligned for convenience and is realized
Positioning is accurately played, user is during checking above-mentioned monitor video, if it find that causing trouble in a certain monitor video
When person, a monitor video or the multiple monitor videos that can be directed in monitor video 1-8 are manually entered a timestamp information
(such as：2016-10-10-11:00:09) or user can also input the corresponding frame number of key frame (such as：I1600), or also
A playing time can be inputted (such as：49:59) above- mentioned information can also be inputted, or simultaneously, here information input by user
Referred to as play location information.
Step F：According to the merging file, the index data section for the merging data section is obtained；
After obtaining above-mentioned broadcasting location information, needs to be searched in index data section, find and the broadcasting
The corresponding index data of location information, according to the merging file, obtains needle to be quickly found the position of index data section
To the index data section of the merging data section, may include：
It detects in the merging file with the presence or absence of index initial code, and if it exists, by preset length after the index initial code
Data be determined as index data section.
It is understandable to be, it may have been generated in advance for each video in merging data section in above-mentioned merging file
The index data section of segment, the lookup to the index data section, usually can mark this with an identification information for convenience
Position of the index data section in merging file, the identification information are to index initial code, therefore, in order to be quickly obtained index
Data segment, can in combining data detection file with the presence or absence of index initial code, if it exists, can will be after the index initial code
The data of face preset length are determined as index data section, the preset length referred in the embodiment of the present invention and above-mentioned index data section
Length it is identical, therefore, in combining data detection file exist index initial code when, can according to the index initial code obtain it is above-mentioned
Merge the corresponding index data section of each video clip in file.
Step G：According to the index data section and the broadcasting location information, determine and the broadcasting location information pair
Answer the first key frame of video clip；
Step H：The corresponding video clip of the broadcasting location information is jumped to corresponding first key frame position to carry out
It plays.
Index data section can be obtained through the above steps, and the index data of each video clip is included in index data section,
And include the characteristic information of each key frame in corresponding video clip in each index data.Therefore, user's input is being received
Broadcasting location information after, can be according to the location information, it is first determined go out video clip corresponding with the location information
Index data is finding the matched key frame of the location information from the index data determined, which is referred to as the first pass
Key frame.
Location information is played for monitor video 1-8 inputs with user below：Timestamp information (2016-10-10-11:
00:09) for, the whole process of above-mentioned broadcasting positioning is illustrated.
After receiving broadcasting location information input by user for above-mentioned monitor video 1-8, according to index initial code
First index data section is determined from merging file；Then according to broadcasting location information input by user, from index data section
In determine the index data of monitor video corresponding with broadcast information, since broadcasting location information input by user is for prison
Video 1-8 is controlled, therefore, it is possible to determine the corresponding index datas of monitor video 1-8；To play location information：Timestamp
Information (2016-10-10-11:00:09) it is search key, is searched in the index data determined respectively, respectively energy
Corresponding key frame (the first key frame) in above-mentioned monitor video 1-8 is found, monitor video 1-8 is finally jumped into the key
Frame position plays out.Achieve the purpose that be played simultaneously, greatly facilitates and troublemaker is gone in " Changning main road " section
To lookup, effective evidence is quickly obtained, improves search efficiency.
It is worth noting that above-mentioned broadcasting location information input by user can be for one or more video clips
, in embodiment is only a kind of specific example for monitor video 1-8, and plays location information and can also be specially：
Frame number or playing time information, therefore, the embodiment of the present invention to the concrete form of location information and are not directed to piece of video
The quantity of section is defined.
As it can be seen that using scheme provided in an embodiment of the present invention, it can reach and above-mentioned multiple video clips are played simultaneously
Purpose, while key position can be quickly and accurately navigated to by playing location information, have great convenience for the user to target
Searching work, fast and effeciently obtain evidence, improve search efficiency.
The positions Fig. 6 more video clips provided in an embodiment of the present invention merge a kind of structural schematic diagram of device, which includes：
First, which obtains module 201, second, obtains module 202, the first generation module 203, merging module 204 and composite module 205.
First obtains module 201, for obtaining the first preset quantity video clip to be combined；
Second obtains module 202, the attribute information for obtaining each video clip, and the attribute information at least wraps
Include the playing duration of the video clip；
First generation module 203, for according to the attribute information, generating and being directed to the first preset quantity piece of video
The fileinfo section of section, the fileinfo section include at least the corresponding initial position of each video clip；
Merging module 204 is used for according to the corresponding initial position of each video clip in the fileinfo section, by each video
Segment merges into merging data section；
Composite module 205 stores to one for combining the fileinfo section and the merging data section and merges text
In part.
The scheme that 6 embodiment of application drawing provides carries out more video clip merging, multiple video clips can be merged and be stored
Into a file, in this way when opening above-mentioned more video clips, it is only necessary to open this file, improve opening
The speed of more video clips, and then reduce the difficulty being managed to more video clips.
Fig. 7 is another structural schematic diagram that more video clips provided in an embodiment of the present invention merge device, and it includes Fig. 1 to remove
The first acquisition module 201, second that embodiment provides obtains module 202, the first generation module 203, merging module 204 and combination
Outside module 205, which further includes：Second generation module 206 and third generation module 207.
Second generation module 206, for generating the corresponding index data of each video clip in the merging data section；
Third generation module 207, for according to the corresponding index data of each video clip, generating and being directed to the merging data
The index data section of section；
The embodiment of the present invention includes above-mentioned second generation module 206 and third generation module 207, described group
Block 205 is molded, is specifically used for：
The fileinfo section, the merging data section and the index data section are combined, stores to one and merges
In file.
Optionally, second generation module 206, is specifically used for：
The characteristic information of key frame included in each video clip is obtained, the characteristic information includes：Frame number, timestamp
At least one of information, playing time information；
According to the corresponding characteristic information of each video clip, the index data for the video clip is generated.
Optionally, the third generation module, is specifically used for：
Put in order according to each video clip in the merging data section, to the corresponding index data of each video clip into
Row arrangement, obtains index data sequence；
Index initial code is generated, the index initial code is added before the index data sequence, generates and is directed to the conjunction
And the index data section of data segment.
The scheme that 7 embodiment of application drawing provides can be obtained by being parsed to each video clip in each video clip
Including key frame characteristic information, and according to these characteristic informations generate for the video clip index data, to rope
Argument according to being ranked up to obtain index data section, by the index data section and above-mentioned merging data section and fileinfo section into
Row merges, and stores to one and merges in file, by index data section, can be accurately located to video clip, convenient
To the management work of more video files, the user experience is improved.
On the basis of embodiment being provided based on above-mentioned Fig. 7, in a kind of specific implementation provided in an embodiment of the present invention,
The device can also include：First receiving module, establishes module and decoder module (not shown) at read module, specifically：
First receiving module, for receiving for the open instructions for merging file；
Read module, according to the fileinfo section, determines the total quantity of video clip for reading the merging file
And the corresponding initial position of each video clip, the total quantity are equal with first preset quantity；
Module is established, the decoding for establishing quantity identical as the total quantity plays channel, and each video clip corresponds to
One decoding plays channel；
Decoder module, for according to the corresponding initial position of each video clip, the video clip being imported into corresponding
It plays channel and is decoded broadcasting.
To sum up, it using scheme provided in an embodiment of the present invention, establishes corresponding decoding for each video clip and broadcasts
Channel is put, then video clip is imported into corresponding decoding broadcasting channel and is decoded broadcasting, is phase between each video clip
It is mutually independent, can broadcasting be decoded to above-mentioned multiple video clips simultaneously.
In another realization method provided in an embodiment of the present invention, on the basis of a upper embodiment, which also wraps
It includes：Second receiving module, third obtain module, determining module and playing module (not shown), specifically：
Second receiving module receives input by user be directed to for being decoded in playing process in the video clip
The broadcasting location information of one or more video clips, the broadcasting location information include in the merging file：Frame number, time
Stab at least one of information, playing time information；
Third obtains module, for according to the merging file, obtaining the index data section for the merging data section；
Determining module, for according to the index data section and the broadcasting location information, determining and determining with described play
Position information corresponds to the first key frame of video clip；
Playing module, for the corresponding video clip of the broadcasting location information to be jumped to the corresponding first crucial framing bit
It sets and plays out.
As it can be seen that using scheme provided in an embodiment of the present invention, it can reach and above-mentioned multiple video clips are played simultaneously
Purpose, while key position can be quickly and accurately navigated to by playing location information, have great convenience for the user to target
Searching work, fast and effeciently obtain evidence, improve search efficiency.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
Each embodiment in this specification is all made of relevant mode and describes, identical similar portion between each embodiment
Point just to refer each other, and each embodiment focuses on the differences from other embodiments.Especially for device reality
For applying example, since it is substantially similar to the method embodiment, so description is fairly simple, related place is referring to embodiment of the method
Part explanation.
One of ordinary skill in the art will appreciate that all or part of step in realization above method embodiment is can
It is completed with instructing relevant hardware by program, the program can be stored in computer read/write memory medium,
The storage medium designated herein obtained, such as：ROM/RAM, magnetic disc, CD etc..
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention, are all contained in protection scope of the present invention
It is interior.
Claims (14)
1. a kind of more video clip merging methods, which is characterized in that the method includes：
Obtain the first preset quantity video clip to be combined；
The attribute information for obtaining each video clip, when the attribute information includes at least the broadcasting of the video clip
It is long；
According to the attribute information, the fileinfo section for the first preset quantity video clip, the file are generated
Message segment includes at least the corresponding initial position of each video clip；
According to the corresponding initial position of each video clip in the fileinfo section, each video clip is merged into merging data
Section；
The fileinfo section and the merging data section are combined, stores to one and merges in file.
2. according to the method described in claim 1, it is characterized in that, described by the fileinfo section and the merging data
Duan Zuhe, before storing to one the step merged in file, the method further includes：
Generate the corresponding index data of each video clip in the merging data section；
According to the corresponding index data of each video clip, the index data section for the merging data section is generated；
It is described to combine the fileinfo section and the merging data section, it stores to one and merges in file, including：
The fileinfo section, the merging data section and the index data section are combined, stored to a merging file
In.
3. according to the method described in claim 2, it is characterized in that, described generate each video clip pair in the merging data section
The step of index data answered, including：
The characteristic information of key frame included in each video clip is obtained, the characteristic information includes：Frame number, timestamp letter
At least one of breath, playing time information；
According to the corresponding characteristic information of each video clip, the index data for the video clip is generated.
4. according to the method described in claim 3, it is characterized in that, described according to the corresponding index data of each video clip, life
The step of at index data section for the merging data section, including：
It puts in order according to each video clip in the merging data section, the corresponding index data of each video clip is arranged
Row, obtain index data sequence；
Index initial code is generated, the index initial code is added before the index data sequence, generates and is directed to the merging number
According to the index data section of section.
5. according to the method described in any one of claim 2-4, which is characterized in that the method further includes：
It receives for the open instructions for merging file；
The merging file is read, according to the fileinfo section, determines the total quantity of video clip and each video clip pair
The initial position answered；
The decoding for establishing quantity identical as the total quantity plays channel, and each video clip corresponds to a decoding and plays channel；
According to the corresponding initial position of each video clip, the video clip is imported into corresponding decoding broadcasting channel and is solved
Code plays.
6. according to the method described in claim 5, it is characterized in that, the method further includes：
It is decoded in playing process, receives input by user for one or more in the merging file in the video clip
The broadcasting location information of a video clip, the broadcasting location information include：In frame number, timestamp information, playing time information
It is at least one；
According to the merging file, the index data section for the merging data section is obtained；
According to the index data section and the broadcasting location information, video clip corresponding with the broadcasting location information is determined
The first key frame；
The corresponding video clip of the broadcasting location information is jumped to corresponding first key frame position to play out.
7. according to the method described in claim 6, it is characterized in that, described according to the merging file, acquisition is directed to the conjunction
And the step of index data section of data segment, including：
It detects in the merging file with the presence or absence of index initial code, and if it exists, by the number of preset length after the index initial code
According to being determined as index data section.
8. a kind of more video clips merge device, which is characterized in that described device includes：
First obtains module, for obtaining the first preset quantity video clip to be combined；
Second obtains module, the attribute information for obtaining each video clip, and the attribute information includes at least described
The playing duration of video clip；
First generation module, for according to the attribute information, generating the text for the first preset quantity video clip
Part message segment, the fileinfo section include at least the corresponding initial position of each video clip；
Merging module, for according to the corresponding initial position of each video clip in the fileinfo section, each video clip to be closed
And it is merging data section；
Composite module stores to one and merges in file for combining the fileinfo section and the merging data section.
9. device according to claim 8, which is characterized in that described device further includes：
Second generation module, for generating the corresponding index data of each video clip in the merging data section；
Third generation module, for according to the corresponding index data of each video clip, generating the rope for the merging data section
Draw data segment；
The composite module, is specifically used for：
The fileinfo section, the merging data section and the index data section are combined, stored to a merging file
In.
10. device according to claim 9, which is characterized in that second generation module is specifically used for：
The characteristic information of key frame included in each video clip is obtained, the characteristic information includes：Frame number, timestamp letter
At least one of breath, playing time information；
According to the corresponding characteristic information of each video clip, the index data for the video clip is generated.
11. device according to claim 10, which is characterized in that the third generation module is specifically used for：
It puts in order according to each video clip in the merging data section, the corresponding index data of each video clip is arranged
Row, obtain index data sequence；
Index initial code is generated, the index initial code is added before the index data sequence, generates and is directed to the merging number
According to the index data section of section.
12. according to the device described in any one of claim 9-11, which is characterized in that described device further includes：
First receiving module, for receiving for the open instructions for merging file；
Read module, for reading the merging file, according to the fileinfo section, determine video clip total quantity and
The corresponding initial position of each video clip；
Module is established, the decoding for establishing quantity identical as the total quantity plays channel, and each video clip corresponds to one
Decoding plays channel；
Decoder module, for according to the corresponding initial position of each video clip, the video clip to be imported into corresponding decoding
It plays channel and is decoded broadcasting.
13. device according to claim 12, which is characterized in that described device further includes：
Second receiving module receives input by user for described for being decoded in playing process in the video clip
Merge the broadcasting location information of one or more video clips in file, the broadcasting location information includes：Frame number, timestamp letter
At least one of breath, playing time information；
Third obtains module, for according to the merging file, obtaining the index data section for the merging data section；
Determining module, for according to the index data section and the broadcasting location information, determining and believing with broadcasting positioning
First key frame of the corresponding video clip of breath；
Playing module, for by the corresponding video clip of the broadcasting location information jump to corresponding first key frame position into
Row plays.
14. device according to claim 13, which is characterized in that the third obtains module, is specifically used for：
It detects in the merging file with the presence or absence of index initial code, and if it exists, by the number of preset length after the index initial code
According to being determined as index data section.
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