CN110445992A - A kind of video clipping synthetic method based on XML - Google Patents
A kind of video clipping synthetic method based on XML Download PDFInfo
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- CN110445992A CN110445992A CN201910756116.0A CN201910756116A CN110445992A CN 110445992 A CN110445992 A CN 110445992A CN 201910756116 A CN201910756116 A CN 201910756116A CN 110445992 A CN110445992 A CN 110445992A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/44008—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving operations for analysing video streams, e.g. detecting features or characteristics in the video stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/44012—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving rendering scenes according to scene graphs, e.g. MPEG-4 scene graphs
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
- H04N21/44016—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving splicing one content stream with another content stream, e.g. for substituting a video clip
-
- 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
- H04N21/835—Generation of protective data, e.g. certificates
- H04N21/8358—Generation of protective data, e.g. certificates involving watermark
-
- 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
-
- 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
- H04N5/2628—Alteration of picture size, shape, position or orientation, e.g. zooming, rotation, rolling, perspective, translation
-
- 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
Abstract
The video clipping synthetic method based on XML that the present invention relates to a kind of, includes the following steps, S1, obtains material video；S2 parses material video based on XML, and according to the corresponding scene markers element for generating equivalent amount of the scene quantity of the material video, the material video has one or more scene markers elements；S3, parsing obtain preset video marker element in corresponding scene labelled element, determine whether single scene video adds stacking video file according to the value of layer attribute preset in single video marker element；S4, when layer attribute preset in multiple video marker elements is consistent, determine whether to be cut according to the corresponding width pixel value of video marker element and height pixel value, cuts anchor point in conjunction with the position attribution confirmation of video marker element, cut the synthetic video that multiple scene videos obtain more split screens.The present invention quick editing and composite can be carried out to video and special efficacy is added, and can be significantly reduced the video production waiting time of user.
Description
Technical field
The present invention relates to video clipping synthesis technical fields, more particularly to a kind of video clipping synthesis side based on XML
Method.
Background technique
Since increasingly developed short-sighted frequency App is increasing, video and video later period editing of the user to shooting high quality
Synthesis, special effect making demand is more more and more intense, and user wishes the production that short-sighted frequency is completed by more quick mode.It is existing
Short-sighted frequency App be all that user is allowed to select single special efficacy without exception, then carry out rendering generation, this mode defines often
Secondary is all single video content, and carries out rendering time-consuming seriously after selecting special efficacy.
Summary of the invention
Based on this, it is necessary to be directed to situations such as current video special efficacy render time is long, and special efficacy is single, provide one kind and be based on
The video clipping synthetic method of XML, user quick editing and composite can be carried out to video and special efficacy is added, and can greatly subtract
The video production waiting time of few user.
A kind of video clipping synthetic method based on XML, includes the following steps,
S1 obtains material video；
S2 parses material video based on XML, according to the corresponding field for generating equivalent amount of the scene quantity of the material video
Scape labelled element, the material video have one or more scene markers elements；
S3, parsing obtains preset video marker element in corresponding scene labelled element, according to single video marker element
In the value of preset layer attribute determine whether single scene video adds stacking video file；
S4, when layer attribute preset in multiple video marker elements is consistent, according to the corresponding width of video marker element
Pixel value and height pixel value determine whether to be cut, and cut anchor point in conjunction with the position attribution confirmation of video marker element, cut out
Cut the synthetic video that multiple scene videos obtain more split screens.
Preferably, after obtaining synthetic video, setting head labelled element and run-out labelled element respectively specify that synthesis view
The head and run-out of frequency.
Preferably, after obtaining synthetic video, the watermark picture for setting watermark element synthetic video is specified to need, the water
The pixel wide and pixels tall and the watermark picture that print element agreement content includes watermark picture are in the synthetic video
In position.
Preferably, after obtaining synthetic video, setting special efficacy member usually specifies the special efficacy source file of synthetic video needs.
Preferably, the S2 is provided with transition special effective element between multiple scene markers elements.
The invention has the beneficial effects that by carrying out the synthesis of scripting video clipping to material video, it can be great
Time availability is improved, is reduced the user video editing and composite time, finished product content is quickly exported, and abandons previous single effect choosing
The mode selected cooperates each special efficacy element in preset script, can cross and user is allowed quickly to edit the video effect for needing to synthesize
Fruit meets the use demand of current short-sighted frequency content author, enriches public entertainment.
Detailed description of the invention
Fig. 1 is a kind of wherein video clipping synthetic method flow chart based on XML of an embodiment.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited by the specific embodiments disclosed below.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be with
It is directly to another element or may be simultaneously present centering elements.Term as used herein " vertically ", " level
", "left", "right" and similar statement for illustrative purposes only, be not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein "and/or" includes one or more
Any and all combinations of relevant listed item.
As shown in Figure 1, a kind of video clipping synthetic method based on XML, includes the following steps,
S1 obtains material video.Specifically, user obtains material to be processed by photographic equipment, such as smart phone
Video, the material video can be user and regarded by video camera in the performance that different direction was shot in one period of object
Frequently, it can also be the video in different object certain period of times that user is shot by video camera, and arrange the material view
Frequency must be the resolution ratio of 1920*1080.
S2 parses material video based on XML, according to the corresponding field for generating equivalent amount of the scene quantity of the material video
Scape labelled element, the material video have one or more scene markers elements.Specifically, user can be directly based upon script generation
Code parsing material video, script consider readable and text describing mode, and text formatting is using XML as Bean.And
And has fine affinity to subsequent script-editor as format convention using XML.Further, video editor parses
The scene quantity of material video acquisition composition, and scene markers element is generated according to the scene quantity of parsing.Material video be by
Multiple story board data are synthesized according to certain sequence, and multiple points of mirrors correspond to multiple scenes.Specifically, a scene markers element is
It is subsequent that editing can not be done to the scene video to represent a scene video, as a point of mirror video, only add special efficacy.Solution
The scene markers element of analysis sequentially can be used as story board playing sequence in script.
S3, parsing obtains preset video marker element in corresponding scene labelled element, according to single video marker element
In the value of preset layer attribute determine whether single scene video adds stacking video file.Specifically, in video marker element
The value range of preset layer attribute is 1~N, and N is the positive integer greater than 1, when layer attribute value is 1, is not needed in scene video
The video file of middle addition stacking；When layer attribute value is 2, i.e., the video file of 1 stacking of addition in scene video；Work as layer
When attribute value is 3, i.e., the video file of 2 stackings of addition in scene video, and so on, and then the field of the barrier bed bottom
The portions of display content of scape video plays Special display effect effect.
S4, when layer attribute preset in multiple video marker elements is consistent, according to the corresponding width of video marker element
Pixel value and height pixel value determine whether to be cut, and cut anchor point in conjunction with the position attribution confirmation of video marker element, cut out
Cut the synthetic video that multiple scene videos obtain more split screens.Specifically, if being indicated when the layer attribute in multiple scene videos is consistent
For more split screens, multiple scene videos play side by side on one display, single scene video can as needed to itself into
Processing is blocked in row stacking.Further, scene video when split screen plays is all based on its width pixel value and height pixel value
It is obtained after cutting, material video resolution is 1920*1080, confirms material video according to the cutting anchor point of video marker element
Editing anchor point position after material video clipping, according to width pixel value and height pixel value control video pictures scaling, and then obtains
Much synthetic videos of split screen.
As shown in Figure 1, setting respectively specifies that synthesis with head labelled element and run-out labelled element after obtaining synthetic video
The head and run-out of video.Specifically, head labelled element and run-out labelled element have position attribution, for determine head and
Play position of the run-out in synthetic video.
As shown in Figure 1, after obtaining synthetic video, the watermark picture for setting watermark element synthetic video is specified to need, institute
Pixel wide and pixels tall and the watermark picture that watermark element agreement content includes watermark picture are stated in the synthesis
Position in video.Specifically, setting the pixel wide and pixels tall of watermark picture, Yi Jishui in the present embodiment
Position of the impression piece in synthetic video, it is wide without pixels tall and pixel that watermark picture is arranged in other embodiments
Degree, using the default resolution of watermark picture.
As shown in Figure 1, setting special efficacy member usually specifies the special efficacy source file of synthetic video needs after obtaining synthetic video.
Specifically, the special efficacy source file is made particular by After Effects software, including text and picture.It is cut in video
It collects in synthesis process, is primarily based on the special efficacy source file of XML format decoding After Effects software manufacture, further, In
Multiple daughter elements are preset in special efficacy element, can correspond to the image content replaced in decoded special efficacy source file, word content,
User's pet name content in special efficacy content, user's head portrait etc. in special efficacy content, alternative are full replacement.
As shown in Figure 1, the S2, transition special effective element is provided between multiple scene markers elements.Specifically, editing is closed
During at video, multiple scene videos can be zoomed in and out according to its height pixel value and width pixel value, be worked as in this example
In, agreement transition mode is to be fade-in fade-out.Meanwhile in the present embodiment, agreement scene video is added with Background when scaling
Piece prevents RBG video background color occur during scene video scaling, influences user's viewing experience.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (5)
1. a kind of video clipping synthetic method based on XML, it is characterised in that: include the following steps,
S1 obtains material video；
S2 parses material video based on XML, according to the corresponding scene mark for generating equivalent amount of the scene quantity of the material video
Remember that element, the material video have one or more scene markers elements；
S3, parsing obtain preset video marker element in corresponding scene labelled element, according to pre- in single video marker element
If the value of layer attribute determine whether single scene video adds stacking video file；
S4, when layer attribute preset in multiple video marker elements is consistent, according to the corresponding width pixel of video marker element
Value and height pixel value determine whether to be cut, and cut anchor point in conjunction with the position attribution confirmation of video marker element, cut more
A scene video obtains the synthetic video of more split screens.
2. a kind of video clipping synthetic method based on XML as described in claim 1, it is characterised in that: obtain synthetic video
Afterwards, it sets head labelled element and run-out labelled element respectively specifies that the head and run-out of synthetic video.
3. a kind of video clipping synthetic method based on XML as claimed in claim 2, it is characterised in that: obtain synthetic video
Afterwards, for setting watermark element come the watermark picture for specifying synthetic video to need, the watermark element agreement content includes watermark picture
Position in the synthetic video of pixel wide and pixels tall and the watermark picture.
4. a kind of video clipping synthetic method based on XML told such as claim 3, it is characterised in that: obtain synthetic video
Afterwards, the special efficacy source file that setting special efficacy member usually specifies synthetic video to need.
5. a kind of video clipping synthetic method based on XML as described in claim 1, it is characterised in that: the S2, multiple fields
Transition special effective element is provided between scape labelled element.
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| CN116916082A (en) * | 2023-09-12 | 2023-10-20 | 华光影像科技有限公司 | Film and television making interface switching system |
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Application publication date: 20191112 |