CN111918131A - Video generation method and device - Google Patents
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- CN111918131A CN111918131A CN202010833590.1A CN202010833590A CN111918131A CN 111918131 A CN111918131 A CN 111918131A CN 202010833590 A CN202010833590 A CN 202010833590A CN 111918131 A CN111918131 A CN 111918131A
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/27—Server based end-user applications
- H04N21/274—Storing end-user multimedia data in response to end-user request, e.g. network recorder
- H04N21/2743—Video hosting of uploaded data from client
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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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
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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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/8549—Creating video summaries, e.g. movie trailer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The disclosure relates to a video generation method and a video generation device, wherein the method comprises the following steps: acquiring a target image frame in a video to be processed; in response to receiving an editing instruction of the target image frame, editing the proportion of the target image frame to obtain a video cover of the video to be processed; and synthesizing the video cover and the video to be processed to obtain a target video. The method and the device can adjust the proportion of the video cover, so that the target videos with different proportions of the video cover and the video to be processed can be synthesized, and the flexibility is improved.
Description
Technical Field
The present disclosure relates to the field of internet technologies, and in particular, to a video generation method and apparatus.
Background
There are many short video applications in the application market at present, and the user terminal can install the short video applications. The user terminal shoots a video to be processed by using the short video application, enters a cover editing interface to determine a video cover, and synthesizes the video cover and the video to be processed into a target video. In the related art, the ratio of the video cover is consistent with the ratio of the video to be processed, that is, the video cover and the video content in the target video are in the same ratio, and the ratio of the video cover cannot be adjusted.
Since only the target video with the same ratio of the video cover and the video to be processed can be synthesized in the related art, and the target video with the different ratio of the video cover and the video to be processed cannot be synthesized, the related art has poor flexibility.
Disclosure of Invention
The present disclosure provides a video generation method and apparatus, so as to at least solve the problem in the related art that a target video with a different ratio between a video cover and a video to be processed cannot be synthesized, and the flexibility is poor. The technical scheme of the disclosure is as follows:
according to a first aspect of the embodiments of the present disclosure, there is provided a video generation method, including:
acquiring a target image frame in a video to be processed;
in response to receiving an editing instruction of the target image frame, editing the proportion of the target image frame to obtain a video cover of the video to be processed;
and synthesizing the video cover and the video to be processed to obtain a target video.
Wherein the editing the proportion of the target image frame to obtain the video cover in response to receiving the editing instruction of the target image frame comprises:
displaying a cover editing interface; the cover editing interface at least comprises a proportion area and a preview area, wherein the proportion area is used for displaying a plurality of preset proportions, and the preview area is used for displaying the target image frame;
responding to the selection operation of a first preset proportion in the proportion area, executing processing operation on the preview area according to the first preset proportion, and displaying a preview image according with the first preset proportion in the preview area;
and responding to the editing completion operation, and executing a cutting operation on the target image frame in the preview area according to the current preset proportion to obtain the video cover of the video to be processed.
Wherein, executing the processing operation on the preview area according to the first preset proportion comprises:
in the preview area, constructing a layer positioned above the target image frame;
constructing a video cover frame according with the first preset proportion by taking the center of the preview area as a center in the layer;
and adding a covering layer outside the video cover frame in the layer, and displaying the preview image in the video cover frame.
The cover editing interface further comprises a thumbnail area; wherein the thumbnail area shows thumbnails of a plurality of image frames in the video to be processed;
the acquiring of the target image frame in the video to be processed includes:
and responding to the selection operation of one thumbnail in the thumbnail area, and displaying the target image frame corresponding to the thumbnail in the preview area.
Wherein the cover editing interface further comprises a cover title style area; the cover title style area displays a plurality of cover title styles;
before the responding to the editing completion operation, performing a cropping operation on the target image frame in the preview area according to the current preset proportion to obtain the video cover of the video to be processed, the method further includes:
in response to a selection operation of one cover title style in the cover title style area, displaying the cover title style in the preview area;
and editing the cover title style, and adding a cover title.
After the preview area displays the preview image which accords with the first preset proportion, the method further comprises the step of adjusting the target image frame;
wherein the adjusting the target image frame comprises:
in response to the dragging operation of the target image frame, adjusting the position of the target image frame so as to display different preview images in the video cover frame;
and/or the presence of a gas in the gas,
in response to a zoom operation on the target image frame, adjusting the size of the target image frame so as to display different preview images in the video cover frame.
After the preview image in accordance with the first preset proportion is displayed in the preview area, the method further includes:
responding to the selection operation of a second preset proportion in the proportion area, and eliminating the processing operation executed on the preview area according to the first preset proportion;
and executing processing operation on the preview area according to the second preset proportion, and displaying a preview image according with the second preset proportion in the preview area.
Wherein, in a case where the target image frame is added with a cover title, the method further comprises at least one of:
controlling the cover title to move along with the central point of the target image frame in response to the dragging operation of the target image frame;
in response to the zooming operation on the target image frame, performing zooming operation on the cover title, and adjusting the size of the cover title;
responding to the selection operation of a second preset proportion in the proportion area, and adjusting the position of the cover title in the second preset proportion according to the position relation of the cover title in the first preset proportion.
According to a second aspect of the embodiments of the present disclosure, there is provided a video generating apparatus including:
the acquisition unit is configured to acquire a target image frame in a video to be processed;
the editing unit is configured to execute the step of editing the proportion of the target image frame to obtain a video cover of the video to be processed in response to the receiving of an editing instruction of the target image frame;
and the synthesizing unit is configured to synthesize the video cover and the video to be processed to obtain a target video.
Wherein the editing unit includes:
a presentation unit configured to execute a presentation cover editing interface; the cover editing interface at least comprises a proportion area and a preview area, wherein the proportion area is used for displaying a plurality of preset proportions, and the preview area is used for displaying the target image frame;
the processing unit is configured to execute a selection operation responding to a first preset proportion in the proportion area, execute a processing operation on the preview area according to the first preset proportion, and display a preview image according with the first preset proportion in the preview area;
and the cutting unit is configured to execute cutting operation on the target image frame in the preview area according to the current preset proportion in response to the editing completion operation, and obtain the video cover of the video to be processed.
Wherein the processing unit is further configured to:
in the preview area, constructing a layer positioned above the target image frame;
constructing a video cover frame according with the first preset proportion by taking the center of the preview area as a center in the layer;
and adding a covering layer outside the video cover frame in the layer, and displaying the preview image in the video cover frame.
The cover editing interface further comprises a thumbnail area; wherein the thumbnail area shows thumbnails of a plurality of image frames in the video to be processed;
the obtaining unit is further configured to respond to a selection operation of one thumbnail in the thumbnail area, and display a target image frame corresponding to the thumbnail in the preview area.
Wherein the cover editing interface further comprises a cover title style area; the cover title style area displays a plurality of cover title styles;
the device further comprises:
an adding unit configured to perform a selection operation in response to one of the cover title styles in the cover title style region, the cover title style being presented in the preview region; and editing the cover title style, and adding a cover title.
Wherein the apparatus further comprises an adjustment unit configured to perform adjusting the target image frame;
wherein the adjustment unit is specifically configured to:
in response to the dragging operation of the target image frame, adjusting the position of the target image frame so as to display different preview images in the video cover frame;
and/or the presence of a gas in the gas,
in response to a zoom operation on the target image frame, adjusting the size of the target image frame so as to display different preview images in the video cover frame.
Wherein the apparatus further comprises:
the selecting unit is configured to execute a selecting operation responding to a second preset proportion in the proportion area and clear the processing operation executed on the preview area according to the first preset proportion;
the processing unit is further configured to perform a processing operation on the preview area according to the second preset proportion, and display a preview image in the preview area, wherein the preview image conforms to the second preset proportion.
Wherein, in a case where the target image frame is added with a cover title, the adjusting unit is further configured to perform at least one of:
controlling the cover title to move along with the central point of the target image frame in response to the dragging operation of the target image frame;
in response to the zooming operation on the target image frame, performing zooming operation on the cover title, and adjusting the size of the cover title;
responding to the selection operation of a second preset proportion in the proportion area, and adjusting the position of the cover title in the second preset proportion according to the position relation of the cover title in the first preset proportion.
According to a third aspect of the embodiments of the present disclosure, there is provided an electronic apparatus including:
a processor;
a memory for storing the processor-executable instructions;
wherein the processor is configured to execute the instructions to implement the video generation method of any of the first aspect.
According to a fourth aspect of embodiments of the present disclosure, there is provided a storage medium having instructions that, when executed by a processor of an electronic device, enable the electronic device to perform the video generation method of any one of the first aspects.
According to a fifth aspect of embodiments of the present disclosure, there is provided a computer program product capable of performing the video generation method of any one of the first aspects when executed by a processor of an electronic device.
The technical scheme provided by the embodiment of the disclosure at least brings the following beneficial effects:
the present disclosure provides a video generation method, which may acquire a target image frame in a video to be processed and provide an editing instruction for editing the target image frame, and a short video application may respond to the editing instruction for the target image frame so as to adjust a ratio of the target image frame, thereby obtaining a video cover having a different ratio from the video to be processed. And synthesizing the video cover and the video to be processed to obtain a target video.
The method and the device can adjust the proportion of the video cover, so that the target video with different proportions of the video cover and the video to be processed can be synthesized, and the flexibility is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the disclosure and are not to be construed as limiting the disclosure.
Fig. 1 is a flow chart illustrating a first embodiment of a video generation method according to an exemplary embodiment;
FIG. 2 is a flow diagram illustrating a second embodiment of a method for video generation in accordance with an illustrative embodiment;
FIG. 3a is a diagram illustrating a cover editing interface, according to an exemplary embodiment;
FIG. 3b is a schematic diagram illustrating yet another cover editing interface in accordance with an exemplary embodiment;
FIG. 4a is a schematic illustration of yet another cover editing interface, shown in accordance with an exemplary embodiment;
FIG. 4b is a schematic diagram illustrating yet another cover editing interface in accordance with an exemplary embodiment;
FIG. 5 is a schematic diagram of yet another cover editing interface, shown in accordance with an exemplary embodiment;
fig. 6 is a flow chart illustrating a third embodiment of a video generation method in accordance with an exemplary embodiment;
FIG. 7 is a block diagram illustrating a video generation apparatus according to an exemplary embodiment;
FIG. 8 is a block diagram illustrating a storage medium in accordance with an exemplary embodiment;
FIG. 9 is a block diagram illustrating an electronic device in accordance with an example embodiment.
Detailed Description
In order to make the technical solutions of the present disclosure better understood by those of ordinary skill in the art, the technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the accompanying drawings.
It should be noted that the terms "first," "second," and the like in the description and claims of the present disclosure and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the disclosure described herein are capable of operation in sequences other than those illustrated or otherwise described herein. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
It should be noted that the proportions proposed in the present disclosure are the proportions of the width and height of the video to be processed, the target image frame, the video cover frame, and the video cover, and the following processes are not repeated.
Fig. 1 is a flow chart illustrating a first embodiment of a video generation method for use in a short video application of a user terminal according to an exemplary embodiment, including the following steps.
In step S101, a target image frame in a video to be processed is acquired.
In short video applications, a user may take a video or select a video locally, and treat the video as pending video. By default, the first image frame of the video frame to be processed is used as the target image frame, and one image frame can be selected from the video frame to be processed as the target image frame in response to the selection operation of the user.
In step S102, in response to receiving an editing instruction for the target image frame, editing the ratio of the target image frame to obtain a video cover of the video to be processed.
The target image frame is still in the same scale as the video to be processed before the target image frame is unedited. In this embodiment, the short video application may respond to an editing instruction for the target image frame, so that the scale of the target image frame may be edited, thereby adjusting the scale of the target image frame, so that the adjusted target image frame and the video to be processed have different scales. And taking the adjusted target image frame as a video cover of the video to be processed.
In step S103, the video cover and the to-be-processed video are synthesized to obtain a target video.
And synthesizing the video cover and the video to be processed according to the synthesizing mode of the video cover and the video to be processed, thereby obtaining the target video. In this embodiment, the video cover and the video content in the target video have different proportions.
The technical scheme provided by the embodiment of the disclosure at least brings the following beneficial effects:
the present disclosure provides a video generation method, which may acquire a target image frame in a video to be processed and provide an editing instruction for editing the target image frame, and a short video application may respond to the editing instruction for the target image frame so as to adjust a ratio of the image frame, thereby obtaining a video cover having a different ratio from the video to be processed. And synthesizing the video cover and the video to be processed to obtain a target video.
The method and the device can adjust the proportion of the video cover, so that the target video with different proportions of the video cover and the video to be processed can be synthesized, and the flexibility is improved.
Fig. 2 is a flowchart illustrating a second embodiment of a video generation method according to an exemplary embodiment, where the video generation method is used in a short video application of a user terminal, and includes the following steps.
In step S201, a video to be processed is acquired.
In short video applications, a user may take a video or select a video locally, and treat the video as pending video. After the video to be processed is determined, a special effect can be added to the whole video to be processed or a part of video frames, or certainly, no special effect can be added to the video to be processed (determined by a user person), and then a cover editing interface can be entered.
In response to receiving an editing instruction for the target image frame, editing the proportion of the target image frame to obtain a video cover of the video to be processed may be implemented by using the following steps S202 to S204.
In step S202, a cover editing interface is displayed, and a target video frame is determined.
And displaying a cover editing interface, wherein the cover editing interface at least comprises a proportion area and a preview area, the proportion area is used for displaying a plurality of preset proportions, and the preview area is used for displaying the target image frame. Fig. 3a is a schematic diagram of a cover editing interface according to an exemplary embodiment, where the cover editing interface includes at least a scale area 11 and a preview area 12, where the scale area 11 is used for displaying a plurality of preset scales, and the preview area is used for displaying the target image frame.
The plurality of preset ratios include an original ratio, 1:1, 16: 9. 9:16, 4:3 and/or 3:4, the preview area will show the first image frame of the video to be processed by default, and the original scale is adopted by default. One image frame can be selected from the video to be processed as a target image frame in response to the selection operation of the user, and the original proportion is adopted by default.
In step S203, in response to the operation of selecting the first preset proportion in the proportion area, a processing operation is performed on the preview area according to the first preset proportion, and a preview image conforming to the first preset proportion is displayed in the preview area.
The user may click on a certain preset scale from the scale area, which is referred to as a first preset scale for convenience of description. The user terminal responds to the selection operation of the first preset proportion, then executes processing operation on the preview area according to the first preset proportion, and displays the preview image which accords with the first preset proportion in the preview area.
This step can be implemented by the following steps:
step S1: and constructing a layer positioned above the target image frame in the preview area.
Step S2: and constructing a video cover frame according with the first preset proportion by taking the center of the preview area as the center in the layer. See video cover box in fig. 3 b.
Step S3: and adding a covering layer outside the video cover frame in the layer, and displaying the preview image in the video cover frame.
In this embodiment, the target image frame is not directly cropped, but a layer is added on the target image frame, a video cover frame conforming to the first preset proportion is arranged on the layer, and the video cover frame is transparent, so that a preview image conforming to the first preset proportion can be displayed in the video cover frame. In which case the target image frame is still at the original scale.
A masking layer is added outside the video cover frame so that the preview image can be highlighted. The masking layer has a certain perspective, and a user can still see images outside the video cover frame in the target image frame through the masking layer, so that the user can adjust the target image frame according to the preference of the user (the target image frame is adjusted by adopting a zooming operation or dragging operation mode), and a required preview image is displayed in the video cover frame.
FIG. 3b is a diagram illustrating a cover editing interface with a preview image of the preview area at the original scale on the left and a preview image of the preview area at the 9:16 (width: height) scale on the right according to an exemplary embodiment.
It is understood that the user may repeatedly click a certain preset scale from the scale area for a plurality of times, and the short video application may repeatedly perform step S203.
The process of repeatedly performing step S203 will be described below by taking as an example that the user selects the second preset ratio after selecting the first preset ratio.
And the short video application responds to the selection operation of a second preset proportion in the proportion area, eliminates the processing operation executed on the preview area according to the first preset proportion, executes the processing operation on the preview area according to the second preset proportion, and displays the preview image according with the second preset proportion in the preview area.
Referring to S1-S3, since in the case of the first preset proportion, a layer conforming to the first preset proportion has been added on the target image frame, in order to adapt to the second preset proportion, it is necessary to clear the processing operation performed on the preview area according to the first preset proportion, that is, clear the previously constructed layer conforming to the first preset proportion.
Then, with the second preset ratio as the first preset ratio, S1-S3 are re-executed, so as to construct the image layer conforming to the second preset ratio, such that the preview area displays the preview image conforming to the second preset ratio.
In step S204, in response to the editing completion operation, a cropping operation is performed on the target image frame in the preview area according to a current preset proportion, so as to obtain a video cover of the video to be processed.
And when the user clicks the determined area of the cover page editing interface, the user is indicated to trigger the editing completion operation. The short video application responds to the editing completion operation and determines a current preset proportion after one or more times of preset proportion adjustment and previews a current target image frame in the area after one or more times of target image frame adjustment.
And according to the current preset proportion, performing clipping operation on the current target image frame in the preview area to clip off redundant images and only reserving the preview image displayed in the preview area. And cutting the target image frame to obtain a video cover of the video to be processed.
In step S205, the video cover and the to-be-processed video are synthesized to obtain a target video.
Through the technical characteristics, the present disclosure has the following beneficial effects:
according to the method and the device, the proportion area is added to the front cover editing interface and used for displaying a plurality of preset proportions so that a user can select different preset proportions. Displaying the preview image according with the preset proportion in the preview area according to the preset proportion selected by the user, and performing cutting operation on the current target image frame in the preview area according to the current preset proportion in response to the editing completion operation when the user clicks the editing completion operation to obtain the video cover of the video to be processed.
The method and the device can adjust the proportion of the video cover, so that the target video with different proportions of the video cover and the video to be processed can be synthesized, and the flexibility is improved.
In order to make the preview image in the video cover frame more suitable, a step of adjusting the target image frame may be added after the preview image in the first preset proportion is displayed in the preview area in step S203.
Wherein the adjusting the target image frame comprises:
and adjusting the position of the target image frame in response to the dragging operation of the target image frame so as to display different preview images in the video cover frame. The user can perform dragging operation on the target image frame in the preview area, and the position of the target image frame can be changed along with the dragging operation, so that different preview images are displayed in the video cover frame.
And/or the presence of a gas in the gas,
in response to a zoom operation on the target image frame, adjusting the size of the target image frame so as to display different preview images in the video cover frame. The user may perform a zoom-in gesture through the display screen (the two sets of fingers are far away from each other on the display screen), and the short video application performs a zoom-in operation on the target image frame in response to the zoom-in gesture. The user may perform a zoom-out gesture through the display screen (two sets of fingers are close to each other on the display screen), and the short video application performs a zoom-out operation on the target image frame in response to the zoom-out gesture.
The size of the target image frame can be changed through the zooming-in operation and the zooming-out operation, so that different preview images are displayed in the video cover frame.
Fig. 4a and 4b are schematic diagrams of a cover editing interface according to an exemplary embodiment, in addition to fig. 3a, a first mark area for miniaturizing the scale area is further included in the scale area, and the first mark area is represented by "pack" in fig. 4 a.
The short video application is further used for responding to the selected operation of the first mark area, hiding the proportion area and displaying a second mark area, wherein the second mark area is smaller than the proportion area.
FIG. 4b is a diagram illustrating a cover editing interface including a second identification area, according to an exemplary embodiment. The second marker region is represented in fig. 4b using "scale".
The short video application is further used for hiding the second mark area and displaying the proportional area in response to the selected operation of the second mark area.
Referring to fig. 4a, after the user clicks the first mark region, the first mark region is also marked with "retract", the scale region is hidden, and then the second mark region is displayed, that is, the region marked with "scale" in fig. 4b, so that the effect of retracting a plurality of preset scales can be realized, and a more concise cover editing interface can be displayed for the user.
After the user clicks the second mark area in fig. 4b, the second mark area is hidden and the scale area is displayed, that is, the effect of expanding a plurality of preset scales is achieved, so that the user can select a required preset scale from a plurality of different preset scales.
Fig. 5 is a schematic diagram illustrating a cover editing interface further including a thumbnail area 13 and a cover title style area 14 according to an exemplary embodiment. Wherein the thumbnail area shows thumbnails for a plurality of image frames in the video, the cover title style area shows a plurality of cover title styles, and the cover title style area shows a plurality of cover title styles.
When the target image frame is determined, the short video application may respond to a selection operation of one thumbnail in the thumbnail area, and display an image frame corresponding to the thumbnail, that is, the target image frame, in the preview area.
That is, the user can select different image frames from the thumbnail area according to the preference of the user, and after the thumbnail is selected each time, the preview area is changed into the image frame corresponding to the thumbnail, namely the target image frame. The preview area displays the target image frame instead of the thumbnail image in order to make the subsequently obtained video cover clearer.
It is understood that step S203 may be re-entered after switching the target image frames, so as to re-adjust the preset ratio of the video cover frames.
Before the operation of responding to the editing completion, the short video application is further used for responding to the selection operation of one cover title style in the cover title style area, displaying the cover title style in the preview area and carrying out the editing operation on the cover title style to obtain a cover title.
The user can select different front cover title styles to be added to the preview area according to the preference of the user, and the front cover title styles can be edited, namely characters are added to the front cover title styles, the positions and the sizes are adjusted, and the front cover titles are obtained after editing is completed. The cover title is added to the video cover, so that the video cover is more flexible, and the user experience is improved.
It can be understood that, in the case that the front cover title is added to the target image frame, the front cover title can be adjusted at the same time when the target image frame is adjusted, so as to achieve the effect of synchronous adjustment.
In the case that a cover title is added to the target image frame, the cover title is controlled to move along with the central point of the target image frame in response to the dragging operation of the target image frame.
In the case that a cover title is added to the target image frame, in response to the zooming operation on the image frame, the cover title is controlled to follow the target image frame to perform the zooming operation, and the size of the cover title is adjusted.
And under the condition that a cover title is added to the target image frame, responding to the selection operation of a second preset proportion in the proportion area, and adjusting the position of the cover title in the preview image corresponding to the second preset proportion according to the position of the cover title in the preview image corresponding to the first preset proportion.
For example, in the preview image corresponding to the first preset proportion, the title of the cover is located at the central point (or the upper right corner), and in the preview image corresponding to the second preset proportion, the title of the cover is also adjusted to be located at the central point (or the upper right corner).
Fig. 6 is a flowchart illustrating a second embodiment of a video generation method according to an exemplary embodiment, where as shown in fig. 6, the video generation method is used in a short video application of a user terminal, and includes the following steps.
In step S600, the latest scale data is downloaded from the server.
The user terminal downloads the latest proportional data from the server periodically, and updates the local proportional data under the condition that the latest proportional data is inconsistent with the local proportional data, otherwise, the local proportional data is not updated; wherein the proportion data comprises: original ratio, 1:1, 16: 9. 9:16, 4:3, and/or 3: 4.
In step S601, after determining a video to be processed in the short video application, a cover editing interface is displayed, and a target image frame is determined. The front cover editing interface at least comprises a proportion area and a preview area, the proportion area is used for displaying a plurality of preset proportions, and the preview area is used for displaying the target image frame.
In step S602, in response to a selection operation of a first preset proportion in the proportion area, a processing operation is performed on the preview area according to the first preset proportion, and a preview image conforming to the first preset proportion is displayed in the preview area.
In step S603, in response to the editing completion operation, a cropping operation is performed on the target image frame in the preview area according to a current preset ratio, so as to obtain a video cover of the video to be processed.
The specific implementation of steps S601-S603 can be seen in steps S202-S204, which are not described herein again.
In step S604, the video cover and the to-be-processed video are synthesized to obtain a target video, and the target video is sent to the server.
After obtaining the target video, the user can match the target video with the text description and send the target video and the text description to the server. It is understood that information such as a time stamp of the video cover in the video to be processed, a title style used by the video cover, a title style adding position, and added content may also be transmitted.
Fig. 7 is a block diagram illustrating a video generation apparatus according to an example embodiment. Referring to fig. 7, the apparatus includes an acquisition unit 71, a determination module 72, and a synthesis unit 73.
An acquisition unit 71 configured to acquire a target image frame in the video to be processed.
An editing unit 72 configured to perform editing on the scale of the target image frame to obtain a video cover of the video to be processed in response to receiving an editing instruction for the target image frame.
A synthesizing unit 73 configured to perform synthesizing the video cover and the video to be processed to obtain a target video.
Wherein the editing unit 72 includes:
a presentation unit 721 configured to execute a presentation cover editing interface; the front cover editing interface at least comprises a proportion area and a preview area, the proportion area is used for displaying a plurality of preset proportions, and the preview area is used for displaying the target image frame.
The processing unit 722 is configured to perform a processing operation on the preview area according to a first preset proportion in response to the selection operation of the first preset proportion in the proportion area, and display a preview image in the preview area, wherein the preview image conforms to the first preset proportion.
And the cropping unit 723 is configured to execute a cropping operation on the target image frame in the preview area according to a current preset proportion in response to the editing completion operation, so as to obtain a video cover of the video to be processed.
Wherein the scale region further comprises a first mark region for miniaturizing the scale region;
a hiding unit 724 configured to perform a selection operation in response to the first flag region, hide the proportional region and expose a second flag region, and the second flag region is smaller than the proportional region; and hiding the second mark area and displaying the proportional area in response to the selected operation of the second mark area.
Wherein the processing unit is further configured to:
in the preview area, constructing a layer positioned above the target image frame;
constructing a video cover frame according with the first preset proportion by taking the center of the preview area as a center in the layer;
and adding a covering layer outside the video cover frame in the layer, and displaying the preview image in the video cover frame.
The cover editing interface further comprises a thumbnail area; wherein the thumbnail area shows thumbnails of a plurality of image frames in the video to be processed;
the obtaining unit 71 is further configured to, in response to a selection operation of one thumbnail in the thumbnail area, present a target image frame corresponding to the thumbnail in the preview area.
The cover editing interface further comprises a cover title style area; the cover title style area displays a plurality of cover title styles;
the device further comprises:
an adding unit 725 configured to perform a selection operation in response to one of the cover title styles in the cover title style region, the cover title style being presented in the preview region; and editing the cover title style, and adding a cover title.
The apparatus further comprises an adjusting unit 726 configured to perform adjusting the target image frame; wherein the adjusting the target image frame comprises:
in response to the dragging operation of the target image frame, adjusting the position of the target image frame so as to display different preview images in the video cover frame;
and/or the presence of a gas in the gas,
in response to a zoom operation on the target image frame, adjusting the size of the target image frame so as to display different preview images in the video cover frame.
The device further comprises:
a selecting unit 727 configured to execute a selecting operation in response to a second preset proportion in the proportion area, and clear the processing operation executed on the preview area according to the first preset proportion;
the processing unit 722 is further configured to perform a processing operation on the preview area according to the second preset proportion, and display a preview image in the preview area, where the preview image conforms to the second preset proportion.
In the case where the cover title is added to the target image frame, the adjusting unit 726 is further configured to perform at least one of the following operations:
controlling the cover title to move along with the central point of the target image frame in response to the dragging operation of the target image frame;
in response to the zooming operation on the target image frame, performing zooming operation on the cover title, and adjusting the size of the cover title;
responding to the selection operation of a second preset proportion in the proportion area, and adjusting the position of the cover title in the second preset proportion according to the position relation of the cover title in the first preset proportion.
With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.
FIG. 8 is a block diagram illustrating a storage medium in accordance with an exemplary embodiment.
In an exemplary embodiment, there is also provided a storage medium 800 comprising instructions, such as a memory 810 comprising instructions, executable by a processor 820 of the apparatus 800 to perform the video generation method described above. Alternatively, the storage medium may be a non-transitory computer readable storage medium, which may be, for example, a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.
Fig. 9 is a block diagram illustrating an electronic device 900 in accordance with an example embodiment. For example, the electronic device 900 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet fitness device, a personal digital assistant, and the like.
Referring to fig. 9, electronic device 900 may include one or more of the following components: processing component 902, memory 904, power component 906, multimedia component 908, audio component 910, input/output (I/O) interface 912, sensor component 914, and communication component 916.
The processing component 902 generally controls overall operation of the electronic device 900, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. Processing component 902 may include one or more processors 920 to execute instructions to perform all or a portion of the steps of the methods described above.
Further, processing component 902 can include one or more modules that facilitate interaction between processing component 902 and other components. For example, the processing component 902 can include a multimedia module to facilitate interaction between the multimedia component 908 and the processing component 902.
The memory 904 is configured to store various types of data to support operation at the electronic device 900. Examples of such data include instructions for any application or method operating on the electronic device 900, contact data, phonebook data, messages, pictures, videos, and so forth.
The memory 904 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.
The power supply component 906 provides power to the various components of the electronic device 900. The power components 906 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for the electronic device 900.
The multimedia components 908 include a screen that provides an output interface between the electronic device 900 and a user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP).
If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation.
In some embodiments, the multimedia component 908 includes a front facing camera and/or a rear facing camera. The front camera and/or the rear camera may receive external multimedia data when the electronic device 900 is in an operating mode, such as a shooting mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.
The audio component 910 is configured to output and/or input audio signals. For example, the audio component 910 includes a Microphone (MIC) configured to receive external audio signals when the electronic device 900 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 904 or transmitted via the communication component 916. In some embodiments, audio component 910 also includes a speaker for outputting audio signals.
I/O interface 912 provides an interface between processing component 902 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.
The sensor component 914 includes one or more sensors for providing status evaluations of various aspects of the electronic device 900. For example, sensor assembly 914 may detect an open/closed state of electronic device 900, the relative positioning of components, such as a display and keypad of electronic device 900, sensor assembly 914 may also detect a change in the position of electronic device 900 or a component of electronic device 900, the presence or absence of user contact with electronic device 900, orientation or acceleration/deceleration of electronic device 900, and a change in the temperature of electronic device 900.
The sensor assembly 914 may include a proximity sensor configured to detect the presence of a nearby object in the absence of any physical contact. The sensor assembly 914 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 914 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.
The communication component 916 is configured to facilitate communications between the apparatus 900 and other devices in a wired or wireless manner. The electronic device 900 may access a wireless network based on a communication standard, such as WiFi, a carrier network (such as 2G, 3G, 4G, or 5G), or a combination thereof.
In an exemplary embodiment, the communication component 916 receives a broadcast signal or broadcast associated information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 916 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.
In an exemplary embodiment, the electronic device 900 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described methods.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
16 it will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims (10)
1. A method of video generation, comprising:
acquiring a target image frame in a video to be processed;
in response to receiving an editing instruction of the target image frame, editing the proportion of the target image frame to obtain a video cover of the video to be processed;
and synthesizing the video cover and the video to be processed to obtain a target video.
2. The video generation method of claim 1, wherein said editing the scale of the target image frame to obtain a video cover in response to receiving an edit instruction for the target image frame comprises:
displaying a cover editing interface; the cover editing interface at least comprises a proportion area and a preview area, wherein the proportion area is used for displaying a plurality of preset proportions, and the preview area is used for displaying the target image frame;
responding to the selection operation of a first preset proportion in the proportion area, executing processing operation on the preview area according to the first preset proportion, and displaying a preview image according with the first preset proportion in the preview area;
and responding to the editing completion operation, and executing a cutting operation on the target image frame in the preview area according to the current preset proportion to obtain the video cover of the video to be processed.
3. The video generation method of claim 2, wherein the performing the processing operation on the preview area at the first preset ratio comprises:
in the preview area, constructing a layer positioned above the target image frame;
constructing a video cover frame according with the first preset proportion by taking the center of the preview area as a center in the layer;
and adding a covering layer outside the video cover frame in the layer, and displaying the preview image in the video cover frame.
4. The video generation method of claim 2, wherein the cover editing interface further comprises a thumbnail area; wherein the thumbnail area shows thumbnails of a plurality of image frames in the video to be processed;
the acquiring of the target image frame in the video to be processed includes:
and responding to the selection operation of one thumbnail in the thumbnail area, and displaying the target image frame corresponding to the thumbnail in the preview area.
5. The video generation method of claim 2, wherein the cover editing interface further comprises a cover title style region; the cover title style area displays a plurality of cover title styles;
before the responding to the editing completion operation, performing a cropping operation on the target image frame in the preview area according to the current preset proportion to obtain the video cover of the video to be processed, the method further includes:
in response to a selection operation of one cover title style in the cover title style area, displaying the cover title style in the preview area;
and editing the cover title style, and adding a cover title.
6. The image processing method of claim 2, further comprising adjusting the target image frame after the preview area shows the preview image in compliance with the first preset ratio;
wherein the adjusting the target image frame comprises:
in response to the dragging operation of the target image frame, adjusting the position of the target image frame so as to display different preview images in the video cover frame;
and/or the presence of a gas in the gas,
in response to a zoom operation on the target image frame, adjusting the size of the target image frame so as to display different preview images in the video cover frame.
7. The video generation method of claim 5, wherein after the preview area shows the preview image in compliance with the first preset proportion, further comprising:
responding to the selection operation of a second preset proportion in the proportion area, and eliminating the processing operation executed on the preview area according to the first preset proportion;
and executing processing operation on the preview area according to the second preset proportion, and displaying a preview image according with the second preset proportion in the preview area.
8. A video generation apparatus, comprising:
the acquisition unit is configured to acquire a target image frame in a video to be processed;
the editing unit is configured to execute the step of editing the proportion of the target image frame to obtain a video cover of the video to be processed in response to the receiving of an editing instruction of the target image frame;
and the synthesizing unit is configured to synthesize the video cover and the video to be processed to obtain a target video.
9. An electronic device, comprising:
a processor;
a memory for storing the processor-executable instructions;
wherein the processor is configured to execute the instructions to implement the video generation method of any of claims 1 to 7.
10. A storage medium in which instructions, when executed by a processor of an electronic device, enable the electronic device to perform the video generation method of any of claims 1 to 7.
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| PCT/CN2021/106911 WO2022037348A1 (en) | 2020-08-18 | 2021-07-16 | Video generation method and apparatus |
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| CN202010833590.1A CN111918131A (en) | 2020-08-18 | 2020-08-18 | Video generation method and device |
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| WO (1) | WO2022037348A1 (en) |
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