CN110730379B - Video information processing method, device and storage medium - Google Patents
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Classifications
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- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
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- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
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Abstract
The invention discloses a video information processing method, a device and a storage medium, wherein the method comprises the steps of obtaining preview fragments corresponding to video data, displaying the preview fragments in an icon area for graphically identifying the video data and the like. By displaying the preview segment corresponding to the file icon in the icon area of the file icon, a user can know the main content of the video data by watching the preview segment displayed in the icon area in the browsing stage of the video data, so that the effect of quickly identifying the video data is achieved, and the working efficiency of the user can be greatly improved. Since the main content of the video data can be known through the preview segment displayed in the icon area without opening the video data for viewing, the burden of computer resources generated for opening the video data and the consumed network traffic can be reduced. The invention is widely applied to the technical field of computers.
Description
Technical Field
The present invention relates to the field of computer technologies, and in particular, to a video information processing method, apparatus, and storage medium.
Background
For video data stored locally or on a cloud disk, a user wants to know attribute information such as the duration, size, author, creation time, main content, and the role of going out in the video. When a terminal of an operating system with a graphical interface such as a desktop, a tablet computer or a mobile phone is used for accessing video data, a user can see a file icon for representing one video data, and operations such as opening, editing, deleting and viewing properties can be performed on the file icon through a human-computer interaction device such as a mouse or a touch screen. However, in order to acquire the above attribute information of the video data, a user is required to perform a complicated operation through a file management system. For example, in a Windows system, a user is required to right-click on a file icon and select an "attribute" button to view attribute information of corresponding video data; in the android system used by the mobile device, if a user is using video playing or editing APP to operate video data, the user needs to first exit the APP and then enter a file management system of the android system, which is self-contained or special, so that detailed attribute information can be checked. In addition, in the above prior art, the problem of visually displaying the main content of the video data cannot be solved, and the user needs to play the video data to understand, which causes operational trouble, and if the video data is stored in the cloud, a large flow consumption may be generated.
The invention patent application with publication number of CN105187889A discloses a video icon display method and device, which can realize visual display of video heat by determining display parameters of video icons displayed in a video menu through the video heat, but cannot solve the problem of visual display of video attribute information.
Disclosure of Invention
In order to solve the technical problems, an object of the present invention is to provide a video information processing method, apparatus and storage medium.
In one aspect, an embodiment of the present invention includes a video information processing method, including the steps of:
acquiring a preview segment corresponding to video data;
and displaying the preview segment in an icon area for graphically identifying the video data.
Further, before the step of displaying the preview segment in the icon area for graphically identifying the video data, the method further includes the steps of:
converting the preview segment into a universal video format;
the size of the preview segment is converted to fit the icon area.
Further, before the step of obtaining the preview segment corresponding to the video data, the step of extracting the preview segment from the video data is further included.
Further, after the step of extracting the preview segment from the video data, the method further comprises the steps of:
generating a dynamic icon corresponding to the preview segment;
generating index data pointing to the dynamic icons;
and adding the dynamic icon and index data to the video data, so that the dynamic icon is read and loaded through the index data when the video data is loaded for graphical display.
Further, the step of extracting the preview segment from the video data specifically includes:
acquiring role information of the video data;
according to the role information, carrying out face recognition on each frame in the video data, and marking the identified frame matched with the role information;
the marked frames are combined into the preview segment.
Further, the step of extracting the preview segment from the video data specifically includes:
acquiring role information of the video data;
according to the role information, carrying out face recognition on each frame in the video data, and marking the identified frame matched with the role information;
extracting a video clip containing marked frames from the video data;
and combining the extracted video clips into the preview clips.
Further, the video information processing method further includes the steps of:
acquiring text information for describing the attribute of video data;
and circularly scrolling and displaying the text information in a file name area corresponding to the icon area.
Further, the text information comprises the role information; and the cyclic rolling display process of the role information is synchronous with the display process of the preview segment.
In another aspect, an embodiment of the present invention further includes a video basic information processing apparatus, including a memory and a processor, where the memory is configured to store at least one program, and the processor is configured to load the at least one program to perform the method according to the embodiment of the present invention.
In another aspect, embodiments of the present invention further include a storage medium having stored therein processor-executable instructions that, when executed by a processor, are configured to perform the methods of embodiments of the present invention.
The beneficial effects of the invention are as follows: by displaying the preview segment corresponding to the video data of the file icon in the icon area of the file icon, the user can learn the main content of the video data by watching the preview segment displayed in the icon area in the browsing stage of the video data, so that the effect of quickly identifying the video data is achieved, and particularly in the case that the user needs to select the video data which the user wants to watch or operate from a plurality of video data, but the file names of the video data lack distinguishing property, the working efficiency of the user can be greatly improved by executing the method in the embodiment. The main content of the video data can be obtained through the preview segment displayed in the icon area without opening the video data for watching, and the data volume of the preview segment is far smaller than that of the video data, so that the burden of computer resources generated for opening the video data can be reduced, and the consumed network traffic can be reduced.
Drawings
FIG. 1 is a flowchart of a video information processing method in an embodiment;
FIG. 2 is a diagram illustrating a conventional file icon display effect;
FIG. 3 is a schematic diagram showing another conventional file icon display effect;
FIG. 4 is a schematic diagram showing the effect of displaying preview segments in the icon area of a file icon in an embodiment;
fig. 5, 6 and 7 are schematic views showing effects of displaying text information in a file name area of a file icon in the embodiment;
fig. 8, 9 and 10 are schematic views showing effects of synchronously displaying the icon area and the file name area in the embodiment.
Detailed Description
In this embodiment, referring to fig. 1, the video information processing method includes the following steps:
s2, acquiring a preview segment corresponding to the video data;
s3, displaying the preview segment in an icon area for graphically identifying the video data.
In steps S2 and S3, the preview segment refers to a video segment extracted from the video data and having the same content as a part or all of the video data, where "content is the same" refers to the same visual effect, for example, the video data and the preview segment are the same picture that is finally displayed when being played. The "content is the same" should not be strictly required to be the same at the data level, because in actual operation, in order to achieve the effects of saving computer resources, saving storage space, and reducing network traffic consumption, the preview segments are typically subjected to compression, clipping, and size conversion, at least one of the video data and the preview segments are typically also subjected to encryption, and the video data and the preview segments are typically also in different video formats, so that even the video data and the preview segments that exhibit the same picture may be completely different at the data level.
In step S3, the icon area is part of a file icon as shown in fig. 2 and 3, which typically further includes a file name area. The file icon is a conventional technical means of a graphical interface operating system, and can be convenient for a user to simply and quickly perform various operations on the data file corresponding to the file icon. In the file icon, the icon area and the file name area may have different combinations, for example, in the file icon shown in fig. 2, the file name area is disposed below the icon area, and in the file icon shown in fig. 3, the file name area is disposed on the right of the icon area, but the specific form of the file icon does not affect the implementation of the method in this embodiment.
In the related art, the file name area is used to display the file name of video data and its suffix name. For example, after the file icons shown in fig. 2 and 3, the file name area displays the file name of "movie" and the suffix name of "avi".
In the prior art, the icon area typically displays some fixed pattern. For example, the file icons shown in fig. 2 and 3 are used to represent a video data with a file name of "movie" and a format of "avi", so that the operating system or the file management system displays a pattern representing video playback in the icon area, which is uniform, that is, when the same operating system or file management system is used, the icon areas corresponding to all video data will be displayed in the same pattern, which does not provide any information other than the format in which the user is provided with the data represented by the file icon.
In the prior art, the processes of loading, identifying and displaying corresponding file icons on video data are performed by an operating system, a file management system self-contained on the operating system or a file management system developed by a third party. Accordingly, the existing operating system, a file management system built in the operating system or a file management system developed by a third party can be modified, so that the file management system has the function of executing the steps S2 and S3.
After steps S2 and S3 are performed, instead of displaying monotonous patterns in the icon area, a preview segment related to the video data corresponding to the file icon is displayed, so as to achieve the effect shown in fig. 4, which enables the user to obtain the main content of the video data by viewing the preview segment displayed in the icon area in the browsing stage of the video data, thereby achieving the effect of quickly identifying the video data, especially in the case that the user needs to select video data which the user wants to view or operate from a plurality of video data, but the file names of the video data lack distinguishing property, the working efficiency of the user can be greatly improved by performing the method in the embodiment. The main content of the video data can be obtained through the preview segment displayed in the icon area without opening the video data for watching, and the data volume of the preview segment is far smaller than that of the video data, so that the burden of computer resources generated for opening the video data can be reduced, and the consumed network traffic can be reduced.
Further, in a preferred embodiment, the step S3, before the step of displaying the preview segment in the icon area for graphically identifying the video data, further includes the steps of:
s2.1, converting the preview segment into a universal video format;
s2.2, converting the size of the preview segment to be suitable for the icon area.
In this embodiment, the steps S2.1 and S2.2 are performed after the step S2 is performed and before the step S3 is performed.
The preview segment obtained by performing step S2 may have the same format as the video data, may not necessarily be played by all terminals, and may have the same size and resolution as the video data, and may not be completely displayed in the icon area. In step S2.1, the preview segment is subjected to format conversion, so that the preview segment has a general video format, for example, the format of the preview segment can be converted into a special video format suitable for the file management system for executing steps S2 and S3, and the file management system is required to be installed in each terminal device to execute steps S2 and S3, so that any terminal device can display the preview segment with the special video format. Step S2.2 may be implemented by performing operations such as scaling mapping on the preview segment.
Further, in a preferred embodiment, the step S2, that is, the step of acquiring the preview segment corresponding to the video data, further includes a step S1, that is, the step of extracting the preview segment from the video data.
In step S1, the preview segment is extracted from the video data, specifically, the operation such as compression, format conversion, etc. may be performed on the whole video data, so as to obtain the preview segment. When the video data is too long, a specific segment or a specific frame can be intercepted from the video data, and the intercepted segment and frame are utilized to form a preview segment.
The step S1, namely, after the step of extracting the preview segment from the video data, further includes the following steps:
s1.1, generating a dynamic icon corresponding to the preview segment;
s1.2, generating index data pointing to the dynamic icons;
and S1.3, adding the dynamic icon and index data to the video data, so that the dynamic icon is read and loaded through the index data when the video data is loaded for graphical display.
After step S1 is performed, and before step S2 is performed, steps S1.1, S1.2 and S1.3 are sequentially performed.
In step S1.1, a gif picture with the same content as the preview segment is generated through format conversion, and the gif picture is used as the dynamic icon.
In step S1.2 index data is generated, which has a format readable by the operating system or file management system performing steps S2 and S3, and points to the dynamic icon.
In step S1.3, the dynamic icon generated in step S1.1 and the index data in step S1.2 are added to the video data and integrated into a file. When a user views video data through an operating system or a file management system, the operating system or the file management system firstly loads the video data from a local storage medium or a cloud disk, and generates corresponding file icons for graphical display. By configuring the operating system or the file management system, when the operating system or the file management system loads video data, index data is searched from the video data, and the dynamic icon pointed by the index data is searched and loaded according to the index data. And finally, displaying the dynamic icons in an icon area of the file icon through steps of mapping, rendering and the like, thereby realizing the display of the preview segment.
By executing the steps S1.1-S1.3, the display of the preview segment in the icon area can be realized through the dynamic icons in gif format and the like, and the dynamic icons in gif format have the advantages of small volume, relatively clear imaging and the like, so that the performance requirement on a computer is lower when the method of the embodiment is executed, and the implementation cost of the method of the embodiment is reduced.
Further as a preferred embodiment, the step S1, that is, the step of extracting the preview segment from the video data, specifically includes:
S101A, acquiring role information of the video data;
S102A, carrying out face recognition on each frame in the video data according to the role information, and marking the identified frame matched with the role information;
S103A, combining the marked frames into the preview segment.
In this embodiment, the step S1 is composed of steps S101A-S103A. By performing steps S101A-S103A, the effect of step S1 of extracting preview segments from video data can be achieved.
In step S101A, the character information belongs to one type of attribute information of the video data, and is used to describe a character or actor appearing in the video data.
The representation form of the character information can be pictures or words. When represented in the form of a picture, the character information may be a character appearing in the video data or a snapshot or a standard shot of an actor playing the character. When represented in text form, the character information may be the name of the character appearing in the video data or the name of the actor playing the character, and the picture of the character or actor may be further acquired by searching in the internet or a database.
In step S102A, by performing the face recognition, it may be recognized that frames of characters or actors described by the character information appear in the video data, and then the frames are marked, and character information corresponding to the characters and actors appearing in the frames is recorded.
In step S103A, the preview segments are combined in a slide-by-slide showing manner using the frames marked by executing step S102A.
The character information belongs to one of the most important attributes of the video data. By executing steps S101A to S103A, character information can be displayed through the preview segment displayed in the icon area, thereby more intuitively and efficiently displaying attribute information of video data.
Further as a preferred embodiment, the step S1, that is, the step of extracting the preview segment from the video data, specifically includes:
S101B, acquiring role information of the video data;
S102B, carrying out face recognition on each frame in the video data according to the role information, and marking the identified frame matched with the role information;
S103B, extracting video fragments containing marked frames from the video data;
S104B, combining the extracted video clips into the preview clips.
In this embodiment, the step S1 is composed of steps S101B-S104B. By performing steps S101B-S104B, the effect of step S1 of extracting preview segments from video data can be achieved.
In step S101B, the character information belongs to one type of attribute information of the video data, and is used to describe a character or actor appearing in the video data.
The representation form of the character information can be pictures or words. When represented in the form of a picture, the character information may be a character appearing in the video data or a snapshot or a standard shot of an actor playing the character. When represented in text form, the character information may be the name of the character appearing in the video data or the name of the actor playing the character, and the picture of the character or actor may be further acquired by searching in the internet or a database.
In step S102B, the face recognition is performed, so that it is possible to recognize that frames of characters or actors described by the character information appear in the video data, mark the frames, and record character information corresponding to the characters and actors appearing in the frames.
In step S103B, a search is first performed for video clips, and the searched video clips should contain frames marked by performing step S102B. For example, if one frame marked in step S102B is located at 0h12min12.04S of the time axis when the video data is played, then video clips located between 0h12min11.04S and 0h12min13.04S on the time axis can be extracted.
In step S104B, the video clips extracted in step S103B are used to combine the preview clips.
By executing steps S101B to S104B, the same technical effect as executing steps S101A to S103A can be achieved, namely, character information is displayed by the preview segment displayed in the icon area, thereby displaying attribute information of video data more intuitively and efficiently. On this basis, since the preview segment obtained by performing steps S101B to S104B is composed of a plurality of consecutive video segments, the preview segment obtained by performing steps S101B to S104B has an advantage of smoother visual effect than the preview segment in the form of a slide show obtained by performing steps S101B to S104B.
Further as a preferred embodiment, the video information processing method further includes the steps of:
s4, acquiring text information for describing the attribute of the video data;
s5, circularly scrolling and displaying the text information in a file name area corresponding to the icon area.
The text information in step S4 may include attribute information describing a duration, a size, an author, an authoring time, a main content, a presence role in the video, and the like of the video data. For example, the text information may be in the format of "Producer A, actor B, actor C, actor D", etc.
The effect of performing the right-to-left scroll display of text information is shown in the combination of fig. 5, 6 and 7. By executing steps S4 and S5, text information describing the attribute of video data can be intuitively displayed in the file name area of the file icon, so that the user can obtain the attribute information of the video data without performing complicated operations, thereby achieving the effect of quickly identifying the video data, and particularly, in the case that the user needs to select video data which the user wants to watch or operate from a plurality of video data, but the file names of the video data lack distinguishing property, the working efficiency of the user can be greatly improved by executing the method in the embodiment.
Further as a preferred embodiment, the cyclic scrolling display process of the character information is synchronized with the display process of the preview segment.
The synchronization means that when character information is displayed at a specific position in the file name area, a frame containing a corresponding character or actor is displayed in the icon area. Referring to fig. 8, when a circular scroll play is performed in a file name area of character information and a portion of character information corresponding to "actor b" scrolls to the center of the file name area, an icon area displays a frame containing actor b; referring to fig. 9, when partial character information corresponding to "actor c" scrolls to the center of a file name area, an icon area displays a frame containing actor c; referring to fig. 10, when partial character information corresponding to "actor t" scrolls to the center of a file name area, an icon area displays a frame containing actor t.
By synchronizing the cyclic scrolling display process with the display process of the preview segments, the preview segments displayed in the icon area and the text information displayed in the filename area have linkage, so that a user can correspond the preview segments displayed in the icon area and the text information displayed in the filename area, and the display of the attribute information of the video data is more visual and more understandable.
In this embodiment, the video basic information processing apparatus further includes a memory for storing at least one program and a processor for loading the at least one program to execute the method described in this embodiment.
In this embodiment, a storage medium is further included, in which processor-executable instructions are stored, which when executed by a processor are configured to perform the method described in this embodiment.
The video basic information processing device and the storage medium in the embodiment can execute the video information processing method, and can execute any combination implementation steps of the method embodiment, thereby having the corresponding functions and beneficial effects of the method.
It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly or indirectly fixed or connected to the other feature. Further, the descriptions of the upper, lower, left, right, etc. used in this disclosure are merely with respect to the mutual positional relationship of the various components of this disclosure in the drawings. As used in this disclosure, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. In addition, unless defined otherwise, all technical and scientific terms used in this example have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description of the embodiments is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used in this embodiment includes any combination of one or more of the associated listed items.
It should be understood that although the terms first, second, third, etc. may be used in this disclosure to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element of the same type from another. For example, a first element could also be termed a second element, and, similarly, a second element could also be termed a first element, without departing from the scope of the present disclosure. The use of any and all examples, or exemplary language (e.g., "such as") provided herein, is intended merely to better illuminate embodiments of the invention and does not pose a limitation on the scope of the invention unless otherwise claimed.
It should be appreciated that embodiments of the invention may be implemented or realized by computer hardware, a combination of hardware and software, or by computer instructions stored in a non-transitory computer readable memory. The methods may be implemented in a computer program using standard programming techniques, including a non-transitory computer readable medium configured with a computer program, where the medium so configured causes a computer to operate in a specific and predefined manner, in accordance with the methods and drawings described in the specific embodiments. Each program may be implemented in a high level procedural or object oriented programming language to communicate with a computer system. However, the program(s) can be implemented in assembly or machine language, if desired. In any case, the language may be a compiled or interpreted language. Furthermore, the program can be run on a programmed application specific integrated circuit for this purpose.
Furthermore, the operations of the processes described in the present embodiments may be performed in any suitable order unless otherwise indicated herein or otherwise clearly contradicted by context. The processes (or variations and/or combinations thereof) described in this embodiment may be performed under control of one or more computer systems configured with executable instructions, and may be implemented as code (e.g., executable instructions, one or more computer programs, or one or more applications), by hardware, or combinations thereof, that collectively execute on one or more processors. The computer program includes a plurality of instructions executable by one or more processors.
Further, the method may be implemented in any type of computing platform operatively connected to a suitable computing platform, including, but not limited to, a personal computer, mini-computer, mainframe, workstation, network or distributed computing environment, separate or integrated computer platform, or in communication with a charged particle tool or other imaging device, and so forth. Aspects of the invention may be implemented in machine-readable code stored on a non-transitory medium or device, whether removable or integrated into a computing platform, such as a hard disk, optical read and/or write media, RAM, ROM, etc., such that it is readable by a programmable computer, which when read by a computer, is operable to configure and operate the computer to perform the processes described herein. Further, the machine readable code, or portions thereof, may be transmitted over a wired or wireless network. When such media includes instructions or programs that, in conjunction with a microprocessor or other data processor, implement the steps described above, the invention described in this embodiment includes these and other different types of non-transitory computer-readable media. The invention also includes the computer itself when programmed according to the methods and techniques of the present invention.
The computer program can be applied to the input data to perform the functions described in this embodiment, thereby converting the input data to generate output data that is stored to the non-volatile memory. The output information may also be applied to one or more output devices such as a display. In a preferred embodiment of the invention, the transformed data represents physical and tangible objects, including specific visual depictions of physical and tangible objects produced on a display.
The present invention is not limited to the above embodiments, but can be modified, equivalent, improved, etc. by the same means to achieve the technical effects of the present invention, which are included in the spirit and principle of the present invention. Various modifications and variations are possible in the technical solution and/or in the embodiments within the scope of the invention.
Claims (6)
1. A video information processing method is characterized in that,
the method comprises the following steps:
extracting preview segments from video data, specifically includes:
acquiring role information of the video data;
according to the role information, carrying out face recognition on each frame in the video data, and marking the identified frame matched with the role information;
combining the marked frames into the preview segment;
acquiring a preview segment corresponding to video data;
displaying the preview segment in an icon area for graphically identifying the video data;
acquiring text information for describing the attribute of video data;
circularly scrolling and displaying the text information in a file name area corresponding to the icon area;
the text information comprises the role information;
and the cyclic rolling display process of the role information is synchronous with the display process of the preview segment.
2. A video information processing method according to claim 1, wherein,
before the step of displaying the preview segment in the icon area for graphically identifying the video data, the method further comprises the following steps:
converting the preview segment into a universal video format;
the size of the preview segment is converted to fit the icon area.
3. A video information processing method according to claim 1, wherein,
after the step of extracting the preview segment from the video data, the method further comprises the steps of:
generating a dynamic icon corresponding to the preview segment;
generating index data pointing to the dynamic icons;
and adding the dynamic icon and index data to the video data, so that the dynamic icon is read and loaded through the index data when the video data is loaded for graphical display.
4. A video information processing method according to claim 1, wherein,
the step of extracting the preview segment from the video data specifically includes:
acquiring role information of the video data;
according to the role information, carrying out face recognition on each frame in the video data, and marking the identified frame matched with the role information;
extracting a video clip containing marked frames from the video data;
and combining the extracted video clips into the preview clips.
5. A video basic information processing device is characterized in that,
comprising a memory for storing at least one program and a processor for loading the at least one program to perform the method of any of claims 1-4.
6. A storage medium having stored therein instructions executable by a processor, characterized in that,
the processor-executable instructions, when executed by a processor, are for performing the method of any of claims 1-4.
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