CN111538489A - Data processing method and device - Google Patents
Data processing method and device Download PDFInfo
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- CN111538489A CN111538489A CN202010658392.6A CN202010658392A CN111538489A CN 111538489 A CN111538489 A CN 111538489A CN 202010658392 A CN202010658392 A CN 202010658392A CN 111538489 A CN111538489 A CN 111538489A
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- G06F8/20—Software design
- G06F8/24—Object-oriented
Abstract
The embodiment of the invention provides a data processing method and a data processing device, wherein an original base class is established; inheriting the original base class to create a track class and a fragment class; and constructing data according to the track class and the fragment class, and generating video editing data so as to edit the video by adopting the video editing data. So that the concept of tracks can be uniformly specified, and the same data operation can be adopted for the fragments of non-underlying tracks and the fragments of the underlying tracks.
Description
Technical Field
The present invention relates to the field of data processing technologies, and in particular, to a data processing method and a data processing apparatus.
Background
In image/video post-processing software, there are many functions that a user can operate, such as adding video materials, audio materials, subtitle materials, sticker materials, and the like, and then editing the materials, and the realization of the functions requires that interface display and data modification are completed by recording data.
In the problem of operating the bottom data, how to correspond the bottom data to the data displayed by the upper interface is realized; how to maintain the underlying track concept when operating the track; how to extract common attributes of fragments when processing fragment data, and the like, however, there is no perfect solution to these problems.
Disclosure of Invention
In view of the above problems, embodiments of the present invention are proposed to provide a data processing method and a corresponding data processing apparatus that overcome or at least partially solve the above problems.
The embodiment of the invention discloses a data processing method, which comprises the following steps:
creating an original base class;
inheriting the original base class to create a track class and a fragment class;
and constructing data according to the track class and the fragment class, and generating video editing data so as to edit the video by adopting the video editing data.
Optionally, the inheriting the original base class creates a track class, including:
extracting a first common attribute of the plurality of tracks;
inheriting the original base class to create a track class, and initializing the track class according to the first common attribute;
respectively setting corresponding first extended attributes for each track;
inheriting the track class to create a track implementation class, and initializing the track implementation class according to the first extended attribute.
Optionally, the inheriting the original base class to create a fragment class further includes:
extracting a second common attribute of the plurality of segments;
inheriting the original base class to create a fragment class, and initializing the fragment class according to the second common attribute;
respectively setting corresponding second extended attributes for each segment;
inheriting the fragment class to create a fragment implementation class, and initializing the fragment implementation class according to the second extended attribute.
Optionally, the method further comprises:
loading the video editing data to display a video editing interface at a WEB end;
wherein the video editing interface comprises a track for adding clip material.
Optionally, the segment material comprises at least one of:
video material, audio material, subtitle material, and sticker material.
Optionally, the first common attribute comprises: type attribute, index value attribute, presentation attribute, volume value attribute, segment attribute, prompt attribute, icon attribute, and edit status attribute.
Optionally, the second common attribute comprises: type attribute, index value attribute, in-point attribute, out-point attribute and edit status attribute.
The embodiment of the invention also discloses a data processing device, which comprises:
a base class creation module for creating an original base class;
the base class inheritance module is used for inheriting the original base class to create a track class and a fragment class;
and the data construction module is used for constructing data according to the track class and the fragment class and generating video editing data so as to edit the video by adopting the video editing data.
Optionally, the base class inheritance module includes:
the first common attribute extraction submodule is used for extracting the first common attributes of the plurality of tracks;
the track class creating submodule is used for inheriting the original base class to create a track class and initializing the track class according to the first common attribute;
the first extended attribute setting submodule is used for setting corresponding first extended attributes for each track respectively;
and the track implementation class creation submodule is used for inheriting the track implementation class created by the track class and initializing the track implementation class according to the first extended attribute.
Optionally, the base class inheritance module further includes:
the second common attribute extraction submodule is used for extracting second common attributes of the plurality of segments;
the fragment class creating submodule is used for inheriting the original base class to create a fragment class and initializing the fragment class according to the second common attribute;
the second extended attribute setting submodule is used for setting corresponding second extended attributes for each segment;
and the fragment implementation class creation submodule is used for inheriting the fragment class to create the fragment implementation class and initializing the fragment implementation class according to the second extended attribute.
Optionally, the method further comprises:
the interface display module is used for loading the video editing data so as to display a video editing interface at a WEB end;
wherein the video editing interface comprises a track for adding clip material.
Optionally, the segment material comprises at least one of:
video material, audio material, subtitle material, and sticker material.
Optionally, the first common attribute comprises: type attribute, index value attribute, presentation attribute, volume value attribute, segment attribute, prompt attribute, icon attribute, and edit status attribute.
Optionally, the second common attribute comprises: type attribute, index value attribute, in-point attribute, out-point attribute and edit status attribute.
The embodiment of the invention also discloses an electronic device, which comprises a processor, a memory and a computer program which is stored on the memory and can run on the processor, wherein when the computer program is executed by the processor, the method of any one of the embodiments of the invention is realized.
The embodiment of the invention also discloses a computer readable storage medium, wherein a computer program is stored on the computer readable storage medium, and when being executed by a processor, the computer program realizes the method according to any one of the embodiments of the invention.
The embodiment of the invention has the following advantages:
in the embodiment of the invention, the original base class is created, the track class and the fragment class are created by inheriting the original base class, the data is constructed according to the track class and the fragment class, and the video editing data is generated, so that the track class and the fragment class both realize the original base class, the data structure layer comprises the unified data of the bottom layer and the upper layer, the concept of the track can be uniformly specified, the same data operation can be adopted for the fragment of the non-bottom layer track and the fragment of the bottom layer track, the interface display and the unification of the bottom layer data are realized when the video editing data is adopted for video editing, and the effects of easy understanding, easy maintenance and easy expansion are achieved.
Drawings
FIG. 1 is a schematic diagram of an on-track interface for a segment material according to the present invention;
FIG. 2 is a flow chart of the steps of one data processing method embodiment of the present invention;
fig. 3 is a block diagram of a data processing apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Aiming at the problems in the prior art, a perfect and reasonable data structure is needed to help a developer to unify the ideas of the upper layer and the lower layer, so that the degree of easy understanding, easy maintenance and easy expansion is achieved. As shown in fig. 1, a schematic diagram of a clip material on-track interface, visually, to users and developers, all clips are track-dependent, but on the underlying design, clips other than audio/video are not generally considered to be track-dependent.
In the embodiment of the invention, in order to facilitate that a front-end developer can uniformly process operations such as adding, deleting, modifying, inquiring and the like on all the fragments in the development process, the track concepts of the fragments are uniformly specified on a data structure, and by combining the current mainstream front-end interface service and the bottom thought, the ideas are uniform on a data layer for the fragments (such as subtitles, stickers and the like) without specific track concepts, and the display of all the fragments on the interface is uniformly integrated into the subordinate relationship of the fragments and the tracks.
Referring to fig. 2, a flowchart illustrating steps of an embodiment of a data processing method according to the present invention is shown, which may specifically include the following steps:
in the embodiment of the present invention, an original base class may be created first, and the original base class may be used as a binding between the bottom layer data and the upper layer data, so as to realize the unification of the bottom layer data and the upper layer data.
Specifically, an original base class may be created, for example, a Raw class is created, and the Raw class is initialized to obtain a corresponding bottom-layer object, so that when bottom-layer data is operated, the bottom-layer object may be directly obtained to perform API call.
As an example, code of the Raw class may be expressed as follows:
export class Raw {
constructor (raw)
this. raw = raw
}
wherein "export class Raw" represents creating an original base class Raw, which includes a Raw attribute to which an externally-imported parameter is assigned.
specifically, the track class is used to specify attributes of the material track, including a clip attribute, a presentation attribute, a type attribute, and the like. The segment class is used for specifying the attributes of the material segment, including an in-point attribute, an out-point attribute, a type attribute and the like.
Since the reacquisition is done each time the underlying data needs to be modified, the first is increased consumption and the second is increased workload on the front-end engineer. Therefore, in the embodiment of the invention, the track class and the fragment class are created by being inherited to the original base class, so that a front-end engineer can directly acquire the bottom-layer object to call the API when operating the bottom-layer data.
And 203, constructing data according to the track class and the fragment class, and generating video editing data so as to edit the video by using the video editing data.
Specifically, the video editing data may be generated by constructing data according to the track class and the clip class. The video editing data may refer to logic code encapsulating a video editing interface, and the video editing data may be loaded to provide the video editing interface, so that a user may perform video editing on the video editing interface.
The method comprises the steps of creating an original base class, inheriting the original base class to create a track class and a fragment class, constructing data according to the track class and the fragment class, and generating video editing data, so that the track class and the fragment class both achieve the original base class, unified data of a bottom layer and an upper layer are contained in a data structure layer, the concept of a track can be unified, the same data operation can be adopted for the fragments of non-bottom layer tracks and the fragments of bottom layer tracks, interface display and the unification of bottom layer data are achieved when video editing data are adopted for video editing, and the effects of easiness in understanding, maintenance and expansion are achieved.
In a preferred embodiment of the present invention, the step 202 may include the following sub-steps:
extracting a first common attribute of the plurality of tracks; inheriting the original base class to create a track class, and initializing the track class according to the first common attribute; respectively setting corresponding first extended attributes for each track; inheriting the track class to create a track implementation class, and initializing the track implementation class according to the first extended attribute.
In particular, the first common attribute may refer to the same attribute that a plurality of different tracks have. The first common attribute may include at least one of: the Type attribute Type, the Index value attribute Index, the Show attribute Show, the Volume value attribute Volume, the segment attribute Clips, the prompt attribute Tips, the Icon attribute Icon, and the edit status attribute Selected.
The track class is created by inheriting the original base class by extracting the first common attribute of the plurality of tracks, and the track class is initialized according to the first common attribute. The created track class is a subclass of the original base class, which can inherit some of the property data contained in the original base class.
As an example, the code to create a Track class Track may be expressed as follows:
export class Track extends Raw {
constructor (type, index) {
super (null)
this. type = type
this. index = index
this. show = true
this. volume = 1
this. clips = []
this. tips= ’ ’
this. icon = ’ ’
this. selected = false
}
}
in the above code, "export class tracks extensions Raw" indicates that a Track class Track is created, which inherits from the original base class Raw. The device comprises eight first common attributes and a plurality of network nodes, wherein the eight first common attributes are respectively endowed with initial values of the eight first common attributes, and the type attribute and the index attribute are endowed with external transmitted parameters; the show attribute is endowed with true and represents display; the volume attribute is given 1, which represents that the volume value is 1; the clips attribute endows the array to represent a fragment array; the tips attribute is assigned to be null, which indicates that no prompt information exists; the icon attribute is assigned to null, indicating that there is no icon; the selected attribute is false, indicating an unedited state. The Track class Track includes clips fragment attributes such that fragments are dependent on the Track.
Furthermore, corresponding first extended attributes can be set for each track, a track implementation class is created by inheriting the track class, and the track implementation class is initialized according to the first extended attributes. The first extended attribute may refer to a specific attribute of each track, for example, the first extended attribute of a video track may be Transitions attribute, which is used to control Transitions of a video; the first extended attribute of the subtitle track may be a captionType subtitle type attribute for setting the type of subtitle. It should be noted that the first extended attribute corresponding to each track may be set according to actual needs, which is not limited in the embodiment of the present invention.
As an example, the code that creates the track implementation class may be expressed as follows:
export class VideoTrack extends Track {
Constructor (index) {
super (' videoTrack'，index)
this. transitions =[]
}
export class CaptionTrack extends Track{
cons tructor (index, captionType) {
super ( captionTrack'，index)
this. captionType = captionType
}
}
in the above code, "export class VideoTrack extensions Track" represents creating a video Track implementation class VideoTrack, which inherits to a Track class Track. The VideoTransck class includes transitions attributes and assigns the transitions attributes to an array. "export class Caption tracks extensions Track" represents the creation of a Caption Track implementation class, which inherits from the Track class Track. The CaptinTrack class includes a captionType attribute and assigns the captionType attribute to externally-incoming parameters.
In a preferred embodiment of the present invention, the step 102 may include the following sub-steps:
extracting a second common attribute of the plurality of segments; inheriting the original base class to create a fragment class, and initializing the fragment class according to the second common attribute; respectively setting corresponding second extended attributes for each segment; inheriting the fragment class to create a fragment implementation class, and initializing the fragment implementation class according to the second extended attribute.
Specifically, the second common attribute may refer to the same attribute that a plurality of different material segments have. The second common attribute may include at least one of: type attribute Type, Index value attribute Index, in-point attribute inPoint, out-point attribute outPoint and edit status attribute Selected.
And creating a track class by inheriting the original base class by extracting the second common attribute of the plurality of fragments, and initializing the track class according to the first common attribute. The created track class is a subclass of the original base class, which can inherit some of the property data contained in the original base class.
As an example, the code to create a Clip class Clip can be expressed as follows:
export class Clip extends Raw{
constructor (type, index){
super (nul1)
this. index = index
this. type = type
this. inPoint = -1
this. outPoint = -1
this. selected = false
}
}
in the above code, "export class Clip extensions Raw" indicates that a Clip class Clip is created, which inherits from the original base class Raw. The system comprises five second common attributes and a first common attribute control unit, wherein the five second common attributes are respectively endowed with initial values of the five second common attributes, and the type attribute and the index attribute are endowed with parameters transmitted from the outside; the InPoint and outPoint attributes are assigned-1, indicating that the in and out points are both-1, and the selected attribute is assigned false, indicating an unedited state.
Furthermore, corresponding second extended attributes can be set for each material segment, the track implementation class is created by inheriting the segment class, and the segment implementation class is initialized according to the second extended attributes. The second extended attribute may refer to a specific attribute of each material segment.
In a preferred embodiment of the present invention, the method further comprises:
loading the video editing data to display a video editing interface at a WEB end; wherein the video editing interface comprises a track for adding clip material.
Specifically, the video editing data can be loaded on the terminal device, the video editing interface is displayed on the WEB side, and the user can perform operations on the video editing interface, such as adding material segments, editing the material segments, and the like, so as to generate a section of wonderful video.
In an embodiment of the invention, the video editing interface comprises a track for adding clip material. The clip material may include at least one of:
video material, audio material, subtitle material, and sticker material.
In addition, the clip materials may also include other materials, which may be set according to actual needs, and the embodiment of the present invention does not limit this.
It should be noted that, for simplicity of description, the method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present invention is not limited by the illustrated order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments of the present invention. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred and that no particular act is required to implement the invention.
Referring to fig. 3, a block diagram of a data processing apparatus according to an embodiment of the present invention is shown, which may specifically include the following modules:
a base class creation module 301 configured to create an original base class;
a base class inheriting module 302, configured to inherit the original base class to create a track class and a fragment class;
a data constructing module 303, configured to construct data according to the track class and the clip class, and generate video editing data, so as to perform video editing by using the video editing data.
In a preferred embodiment of the present invention, the base class inheritance module 302 includes:
the first common attribute extraction submodule is used for extracting the first common attributes of the plurality of tracks;
the track class creating submodule is used for inheriting the original base class to create a track class and initializing the track class according to the first common attribute;
the first extended attribute setting submodule is used for setting corresponding first extended attributes for each track respectively;
and the track implementation class creation submodule is used for inheriting the track implementation class created by the track class and initializing the track implementation class according to the first extended attribute.
In a preferred embodiment of the present invention, the base class inheritance module 302 further includes:
the second common attribute extraction submodule is used for extracting second common attributes of the plurality of segments;
the fragment class creating submodule is used for inheriting the original base class to create a fragment class and initializing the fragment class according to the second common attribute;
the second extended attribute setting submodule is used for setting corresponding second extended attributes for each segment;
and the fragment implementation class creation submodule is used for inheriting the fragment class to create the fragment implementation class and initializing the fragment implementation class according to the second extended attribute.
In a preferred embodiment of the present invention, the method further comprises:
the interface display module is used for loading the video editing data so as to display a video editing interface at a WEB end;
wherein the video editing interface comprises a track for adding clip material.
In a preferred embodiment of the present invention, the segment material comprises at least one of:
video material, audio material, subtitle material, and sticker material.
In a preferred embodiment of the present invention, the first common attribute comprises: type attribute, index value attribute, presentation attribute, volume value attribute, segment attribute, prompt attribute, icon attribute, and edit status attribute.
In a preferred embodiment of the present invention, the second common attribute comprises: type attribute, index value attribute, in-point attribute, out-point attribute and edit status attribute.
For the device embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, refer to the partial description of the method embodiment.
An embodiment of the present invention further provides an electronic device, which includes a processor, a memory, and a computer program stored on the memory and capable of running on the processor, and when executed by the processor, the computer program implements the method according to any one of the embodiments of the present invention.
Embodiments of the present invention further provide a computer-readable storage medium, on which a computer program is stored, and when executed by a processor, the computer program implements the method according to any one of the embodiments of the present invention.
The embodiments in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing terminal to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing terminal to cause a series of operational steps to be performed on the computer or other programmable terminal to produce a computer implemented process such that the instructions which execute on the computer or other programmable terminal provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications of these embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.
The data processing method and the data processing apparatus provided by the present invention are described in detail above, and the principle and the implementation of the present invention are explained in the present document by applying specific examples, and the description of the above examples is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (10)
1. A data processing method, comprising:
creating an original base class;
inheriting the original base class to create a track class and a fragment class;
and constructing data according to the track class and the fragment class, and generating video editing data so as to edit the video by adopting the video editing data.
2. The method of claim 1, wherein inheriting the original base class creates a track class comprising:
extracting a first common attribute of the plurality of tracks;
inheriting the original base class to create a track class, and initializing the track class according to the first common attribute;
respectively setting corresponding first extended attributes for each track;
inheriting the track class to create a track implementation class, and initializing the track implementation class according to the first extended attribute.
3. The method of claim 1, wherein inheriting the original base class creates a fragment class, further comprising:
extracting a second common attribute of the plurality of segments;
inheriting the original base class to create a fragment class, and initializing the fragment class according to the second common attribute;
respectively setting corresponding second extended attributes for each segment;
inheriting the fragment class to create a fragment implementation class, and initializing the fragment implementation class according to the second extended attribute.
4. The method of claim 1, further comprising:
loading the video editing data to display a video editing interface at a WEB end;
wherein the video editing interface comprises a track for adding clip material.
5. The method of claim 4, wherein the segment material comprises at least one of:
video material, audio material, subtitle material, and sticker material.
6. The method of claim 2, wherein the first common attribute comprises: type attribute, index value attribute, presentation attribute, volume value attribute, segment attribute, prompt attribute, icon attribute, and edit status attribute.
7. The method of claim 3, wherein the second common attribute comprises: type attribute, index value attribute, in-point attribute, out-point attribute and edit status attribute.
8. A data processing apparatus, comprising:
a base class creation module for creating an original base class;
the base class inheritance module is used for inheriting the original base class to create a track class and a fragment class;
and the data construction module is used for constructing data according to the track class and the fragment class and generating video editing data so as to edit the video by adopting the video editing data.
9. An electronic device comprising a processor, a memory, and a computer program stored on the memory and capable of running on the processor, the computer program, when executed by the processor, implementing the method of any one of claims 1 to 7.
10. A computer-readable storage medium, characterized in that a computer program is stored on the computer-readable storage medium, which computer program, when being executed by a processor, carries out the method according to any one of claims 1 to 7.
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| CN102005231A (en) * | 2010-09-08 | 2011-04-06 | 东莞电子科技大学电子信息工程研究院 | Storage method of rich-media scene flows |
| US20130073961A1 (en) * | 2011-09-20 | 2013-03-21 | Giovanni Agnoli | Media Editing Application for Assigning Roles to Media Content |
| CN103197929A (en) * | 2013-03-25 | 2013-07-10 | 中国科学院软件研究所 | System and method for graphical programming facing children |
| CN103931199A (en) * | 2011-11-14 | 2014-07-16 | 苹果公司 | Generation of multi -views media clips |
| CN107736033A (en) * | 2015-06-30 | 2018-02-23 | 微软技术许可有限责任公司 | Layering interactive video platform for interactive video experience |
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| CN102005231A (en) * | 2010-09-08 | 2011-04-06 | 东莞电子科技大学电子信息工程研究院 | Storage method of rich-media scene flows |
| US20130073961A1 (en) * | 2011-09-20 | 2013-03-21 | Giovanni Agnoli | Media Editing Application for Assigning Roles to Media Content |
| CN103931199A (en) * | 2011-11-14 | 2014-07-16 | 苹果公司 | Generation of multi -views media clips |
| CN103197929A (en) * | 2013-03-25 | 2013-07-10 | 中国科学院软件研究所 | System and method for graphical programming facing children |
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Application publication date: 20200814 |