CN114286176A - Video editing method and device and electronic equipment - Google Patents
Video editing method and device and electronic equipment Download PDFInfo
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- CN114286176A CN114286176A CN202111622192.6A CN202111622192A CN114286176A CN 114286176 A CN114286176 A CN 114286176A CN 202111622192 A CN202111622192 A CN 202111622192A CN 114286176 A CN114286176 A CN 114286176A
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Abstract
The invention discloses a video editing method, a video editing device and electronic equipment, which are applied to mobile equipment and comprise the following steps: acquiring a background video and at least one insert video, wherein the duration of the background video is more than 15 minutes; marking a key frame of a background video, and setting a mark point at the position of the key frame; splicing the insert video to the mark point position of the key frame of the background video, and editing the background video and the insert video, wherein the editing page of the mobile device comprises a video display area and an editing area which are arranged along the column direction, the video display area displays the frame picture of the background video and the frame picture of the insert video, the editing area comprises m editing tool options, and the width of each editing tool option in the row direction is w 1; acquiring the width K of a current editing page of the mobile equipment in the row direction; the number n1 of the editing tool options set in the row direction is calculated, the editing tool options are divided into a1 rows, and a is a natural number larger than 1.
Description
Technical Field
The present invention relates to the field of computer technologies, and in particular, to a video editing method and apparatus, and an electronic device.
Background
With the continuous development of internet technology, various video software appears on terminal equipment, and the video editing and splicing technology becomes an important link of the video processing technology as a common video data processing means.
In the video splicing software in the prior art, a video can be subjected to more functional processing, for example, another video segment is inserted into a proper position to form a picture-in-picture video, and the video splicing software in the prior art has more editing options, cannot be completely embodied in an editing page, can find a verified option only by continuously turning back, and reduces the user experience. The prior art CN111294611A discloses a video insertion method, device, electronic device and computer-readable storage medium, and specifically discloses receiving a video insertion request, where the video insertion request includes a video to be inserted; acquiring an original video sequence, wherein the original video sequence comprises a first type of video and a second type of video; determining the video type to be brought into the video: if the video type is the second type, the in-out video is inserted into the original video sequence, and each video of the second type in the new video sequence after insertion is not adjacent, but the application does not limit the editing options, and because all the editing options cannot be embodied in the editing page, the user experience is reduced.
Disclosure of Invention
In view of this, the invention provides a video editing method, a video editing device and an electronic device.
In one aspect, the present invention provides a video editing method applied to a mobile device, including:
acquiring a background video and at least one insert video, wherein the duration of the background video is more than 15 minutes;
marking a key frame of the background video, and setting a mark point at the position of the key frame;
splicing the insert video to the mark point position of the key frame of the background video, and editing the background video and the insert video, wherein,
the editing page of the mobile device comprises a video display area and an editing area which are arranged along the column direction, the video display area displays the frame picture of the background video and the frame picture of the insertion video, the editing area comprises m editing tool options, and the width of each editing tool option in the row direction is w 1;
acquiring the width K of a current editing page of the mobile equipment in the row direction;
and calculating the number n1 of the editing tool options arranged in the row direction, and dividing the editing tool options into a1 rows, wherein a is a natural number greater than 1.
Optionally, the method further includes obtaining a length of a current editing area of the mobile device in the column direction as D;
the length of each editing tool option in the column direction is p1, if the product of a1 and p1 is larger than D, the width of the editing tool options in the row direction is automatically reduced, the width of the editing tool options in the row direction is w2, and the number of the editing tool options arranged in the row direction is increased by n 2.
Optionally, the method further includes obtaining a length of a current editing area of the mobile device in the column direction as D;
the length of each editing tool option in the column direction is p1, if the product of a1 and p1 is larger than D, the length of the editing tool options in the column direction is automatically reduced, the length of the editing tool options in the column direction is p2, and the product of p2 and a1 is smaller than or equal to D.
Optionally, marking a key frame of the background video, and setting a mark point at a position of the key frame, including:
and acquiring a plurality of adjacent frame pictures in the background video, and if the percentage of the same pixels in the plurality of adjacent frame pictures is greater than a preset threshold value, taking a first frame picture of the plurality of adjacent frame pictures as a key frame, and setting a mark point at the position of the first frame picture.
Optionally, the mark point is a line segment or an inverted triangle.
On the other hand, the invention also provides a video editing device which is arranged on the mobile equipment and comprises a video acquisition unit, a key frame marking unit and a video editing unit, wherein,
the video acquisition unit is coupled with the key frame marking unit and is used for acquiring a background video and at least one insert video, and the duration of the background video is more than 15 minutes;
the key frame marking unit is respectively coupled with the video acquiring unit and the video editing unit and is used for marking the key frames of the background video and setting marking points for the positions of the key frames;
the video editing unit is coupled with the key frame marking unit, splices the insertion video to the marking point position of the key frame of the background video and edits the background video and the insertion video, wherein,
the editing page of the mobile device comprises a video display area and an editing area which are arranged along the column direction, the video display area displays the frame picture of the background video and the frame picture of the insertion video, the editing area comprises m editing tool options, and the width of each editing tool option in the row direction is w 1; acquiring the width K of a current editing page of the mobile equipment in the row direction; and calculating the number n1 of the editing tool options arranged in the row direction, and dividing the editing tool options into a1 rows, wherein a is a natural number greater than 1.
Optionally, the video editing unit is further configured to obtain that a length of a current editing area of the mobile device in the column direction is D; the length of each editing tool option in the column direction is p1, if the product of a1 and p1 is larger than D, the width of the editing tool options in the row direction is automatically reduced, the width of the editing tool options in the row direction is w2, and the number of the editing tool options arranged in the row direction is increased by n 2.
Optionally, the video editing unit is further configured to obtain that a length of a current editing area of the mobile device in the column direction is D;
the length of each editing tool option in the column direction is p1, if the product of a1 and p1 is larger than D, the length of the editing tool options in the column direction is automatically reduced, the length of the editing tool options in the column direction is p2, and the product of p2 and a1 is smaller than or equal to D.
Optionally, the key frame marking unit is further configured to acquire a plurality of adjacent frame pictures in the background video, and if the percentage of the same pixels in the plurality of adjacent frame pictures is greater than a preset threshold, take a first frame picture of the plurality of adjacent frame pictures as a key frame, and set a marking point at a position of the first frame picture.
In another aspect, the present invention also provides an electronic device comprising a memory storing computer-executable instructions and a processor configured to execute the instructions to implement the video editing method of any one of the above.
Compared with the prior art, the video editing method, the video editing device and the electronic equipment provided by the invention at least realize the following beneficial effects:
according to the video editing method, at least one insert video can be spliced in the background video, the key frame of the background video is marked before splicing, and the mark point is set at the true position of the key, so that the insert video can be obviously inserted into a proper position; in addition, the editing page of the mobile equipment comprises a video display area and an editing area which are arranged along the column direction, wherein the video display area displays a frame picture of a background video and a frame picture of an inserted video, the editing area comprises m editing tool options, and the width of each editing tool option in the row direction is w 1; acquiring the width K of a current editing page of the mobile equipment in the row direction; the number n1 of the editing tool options set in the row direction is calculated, the editing tool options are divided into a1 rows, a is a natural number larger than 1, all the editing tool options can be displayed in an editing page, a proper editing tool can be selected without turning backwards all the time, all the editing tool options can be clearly embodied in an editing area, and user experience is improved.
Of course, it is not necessary for any product in which the present invention is practiced to achieve all of the above-described technical effects simultaneously.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a flowchart of a video editing method provided by the present invention;
FIG. 2 is a schematic diagram of an edit page in a mobile device;
fig. 3 is a schematic structural diagram of a video editing apparatus provided in the present invention;
fig. 4 is a block diagram of an electronic device according to the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Referring to fig. 1 and 2, fig. 1 is a flowchart of a video editing method provided by the present invention, and fig. 2 is a schematic diagram of an editing page in a mobile device. The video editing method in fig. 1, applied to a mobile device, includes:
s1: acquiring a background video and at least one insert video, wherein the duration of the background video is more than 15 minutes;
s2: marking a key frame of a background video, and setting a mark point at the position of the key frame;
s3: splicing the insert video to the mark point position of the key frame of the background video, and editing the background video and the insert video, wherein,
the editing page of the mobile device comprises a video display area and an editing area which are arranged along the column direction, wherein the video display area displays a frame picture of a background video and a frame picture of an insertion video, the editing area comprises m editing tool options, and the width of each editing tool option in the row direction is w 1;
acquiring the width K of a current editing page of the mobile equipment in the row direction;
and calculating the number n1 of the editing tool options arranged in the row direction, and dividing the editing tool options into a1 rows, wherein a is a natural number greater than 1.
It should be noted that the mobile device in the present invention may be any one of a mobile phone, an IPad, and a mobile notebook. The background video in the invention is the background video with the time length of more than 15 minutes, the video with the time length within 3 minutes can be edited in the prior art, the video with longer time length can be edited in the invention, for example, the video can be a movie film segment, and the content of the background video is not specifically limited.
On one hand, in the embodiment, before splicing, the key frames of the background video are marked, and the mark points are set for the positions of the key frames, so that the key frames can be obviously inserted into the proper positions.
Optionally, the width K of the current editing area 22 of the mobile device in the row direction is w1, and the width of each editing tool option 23 in the row direction is w1, then n1 editing tool options 23 may be arranged in the row direction, and the editing tool options 23 are divided into a1 rows, so that all the editing tool options 23 can be displayed in the editing area 22. Of course, the editing tool options 23 here may be volume, audio separation, filters, beauty, chroma, opacity, noise reduction, reverse play, change of voice, edit, and so on. For example, 14 editing tool options 23 may be divided into 3 rows, the first row having 10 editing tool options, the second row having 9 editing tool options, and the third row having 7 editing tool options, such that the editing tool options 23 are fully presented in the editing area 22, although fig. 2 is merely illustrative.
Compared with the prior art, the video editing method of the embodiment has at least the following beneficial effects:
according to the video editing method, at least one insert video can be spliced in the background video, the key frame of the background video is marked before splicing, and the mark point is set at the true position of the key, so that the insert video can be obviously inserted into a proper position; in addition, the editing page of the mobile device in the invention comprises a video display area 21 and an editing area 22 which are arranged along the column direction, wherein the video display area 21 displays a frame picture of a background video and a frame picture of an insertion video, the editing area 22 comprises m editing tool options 23, and the width of each editing tool option 23 in the row direction is w 1; acquiring the width K of a current editing page of the mobile equipment in the row direction; the n1 editing tool options 23 are set in the row direction, the editing tool options 23 are divided into a1 rows, and a is a natural number larger than 1, so that all the editing tool options 23 can be displayed in an editing page, a proper editing tool can be selected without turning backwards all the time, all the editing tool options 23 can be clearly embodied in the editing area 22, and user experience is improved.
In some optional embodiments, the video editing method of the present invention further includes obtaining that the length of the current editing area 22 of the mobile device in the column direction is D;
the length of each editing tool option 23 in the column direction is p1, and if the product of a1 and p1 is greater than D, the width of the editing tool options 23 in the row direction is automatically reduced, so that the width of the editing tool options 23 in the row direction is w2, and the number n2 of the editing tool options 23 arranged in the row direction is increased.
It is understood that, in the present embodiment, when the product of a1 and p1 is greater than D, that is, all of the editing tool options 23 cannot be arranged in the editing area 22, the width of the editing tool options 23 in the row direction may be automatically decreased to make the width of the editing tool options 23 in the row direction w2, so that the number n2 of the editing tool options 23 arranged in the row direction is increased, and the number of rows of the editing tool options 23 to be arranged is decreased. E.g., down to line a1-1, which causes the editing tool options 23 to be fully arranged in the editing area 22, increasing the user experience.
In some optional embodiments, the video editing method of the present invention further includes obtaining that the length of the current editing area 22 of the mobile device in the column direction is D;
the length of each editing tool option 23 in the column direction is p1, if the product of a1 and p1 is greater than D, the length of the editing tool option 23 in the column direction is automatically reduced, so that the length of the editing tool option 23 in the column direction is p2, and the product of p2 and a1 is less than or equal to D.
It can be understood that, in this embodiment, when the product of a1 and p1 is greater than D, that is, all the editing tool options 23 cannot be arranged in the editing area 22, the length of the editing tool options 23 in the column direction can be p2 by automatically decreasing the length of the editing tool options 23 in the column direction, and the product of p2 and a1 is less than or equal to D, so that all the editing tool options 23 are arranged in the editing area 22, and the user experience is increased.
In some optional embodiments, with continued reference to fig. 2, marking key frames of the background video, and setting a marking point for the position of the key frame includes:
the method comprises the steps of obtaining a plurality of adjacent frame pictures in a background video, taking a first frame picture of the plurality of adjacent frame pictures as a key frame if the percentage of the same pixels in the plurality of adjacent frame pictures is larger than a preset threshold value, and setting a mark point at the position of the first frame picture.
It is understood that the preset threshold may be any value between 90% and 100%, that is, elements in adjacent multi-frame pictures are substantially the same, and it is understood that actions or backgrounds in the adjacent frames are the same, then the first frame picture may be used as a key frame, a marker point is set at the position of the first frame picture, and the insert video is spliced to the marker point position of the key frame of the background video, so that the insert video can be obviously inserted to a proper position.
In some alternative embodiments, the marked points are line segments or inverted triangles.
The shape of the mark point is not particularly limited, and the mark point can be a line segment or an inverted triangle, so that the mark point can be obviously inserted into a proper position.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a video editing apparatus provided in a mobile device according to the present invention, the video editing apparatus in fig. 3 includes a video acquiring unit 31, a key frame marking unit 32, and a video editing unit 33, wherein,
a video acquiring unit 31 coupled to the key frame marking unit 32, configured to acquire a background video and at least one insert video, where a duration of the background video is greater than 15 minutes;
a key frame marking unit 32, coupled to the video acquiring unit 31 and the video editing unit 33, respectively, for marking the key frame of the background video and setting a marking point for the position of the key frame;
a video editing unit 33, coupled to the key frame marking unit 32, for splicing the insertion video to the mark point position of the key frame of the background video, and editing the background video and the insertion video, wherein,
the editing page of the mobile device comprises a video display area and an editing area which are arranged along the column direction, wherein the video display area displays a frame picture of a background video and a frame picture of an insertion video, the editing area comprises m editing tool options, and the width of each editing tool option in the row direction is w 1; acquiring the width K of a current editing page of the mobile equipment in the row direction; and calculating the number n1 of the editing tool options arranged in the row direction, and dividing the editing tool options into a1 rows, wherein a is a natural number greater than 1.
It should be noted that the background video in the present invention is a background video with a duration greater than 15 minutes, only a video with a duration within 3 minutes can be edited in the prior art, and a video with a longer duration can be edited in the present invention, for example, a movie segment and the like, and the content of the background video is not specifically limited here.
On one hand, in the embodiment, before splicing, the key frames of the background video are marked, and the mark points are set for the positions of the key frames, so that the key frames can be obviously inserted into the proper positions.
Optionally, the width K of the current editing area of the mobile device in the row direction is w1, and the width of each editing tool option in the row direction is w1, so that n1 editing tool options may be arranged in the row direction, and the editing tool options are divided into a1 rows, so that all the editing tool options can be displayed in the editing area. Of course, the editing tool options here may be volume, audio separation, filters, beauty, chroma, opacity, noise reduction, reverse play, change of voice, edit, and so on. For example, 14 editing tool options may be divided into 3 rows, 5 editing tool options in each of the first and second rows, and 4 editing tool options in the third row, such that the editing tool options are fully presented in the editing area.
Compared with the prior art, the video editing device of the embodiment has at least the following beneficial effects:
the video editing device can splice at least one insert video in the background video, mark the key frame of the background video before splicing, and set the mark point for the true position of the key, so that the video editing device can be obviously inserted into the proper position; in addition, the editing page of the mobile equipment comprises a video display area and an editing area which are arranged along the column direction, wherein the video display area displays a frame picture of a background video and a frame picture of an inserted video, the editing area comprises m editing tool options, and the width of each editing tool option in the row direction is w 1; acquiring the width K of a current editing page of the mobile equipment in the row direction; the number n1 of the editing tool options set in the row direction is calculated, the editing tool options are divided into a1 rows, a is a natural number larger than 1, all the editing tool options can be displayed in an editing page, a proper editing tool can be selected without turning backwards all the time, all the editing tool options can be clearly embodied in an editing area, and user experience is improved.
In some optional embodiments, the video editing unit 33 is further configured to obtain that the length of the current editing area of the mobile device in the column direction is D; the length of each editing tool option in the column direction is p1, if the product of a1 and p1 is larger than D, the width of the editing tool options in the row direction is automatically reduced, the width of the editing tool options in the row direction is made to be w2, and the number of the editing tool options arranged in the row direction is increased by n 2.
It can be understood that, in this embodiment, when the product of a1 and p1 is greater than D, that is, all editing tool options cannot be arranged in the editing area, the width of the editing tool options in the row direction may be automatically decreased to make the width of the editing tool options in the row direction w2, so that the number n2 of the editing tool options arranged in the row direction is increased, and the number of rows of the editing tool options is decreased. E.g., down to line a1-1, which causes the editing tool options to be fully arranged in the editing area, increasing the user experience.
In some optional embodiments, the video editing unit 33 is further configured to obtain that the length of the current editing area of the mobile device in the column direction is D;
the length of each editing tool option in the column direction is p1, if the product of a1 and p1 is larger than D, the length of the editing tool options in the column direction is automatically reduced, the length of the editing tool options in the column direction is p2, and the product of p2 and a1 is smaller than or equal to D.
It can be understood that, in this embodiment, when the product of a1 and p1 is greater than D, that is, all editing tool options cannot be arranged in the editing area, the length of the editing tool options in the column direction can be made to be p2 by automatically decreasing the length of the editing tool options in the column direction, and the product of p2 and a1 is less than or equal to D, so that all editing tool options are arranged in the editing area, and the user experience is increased.
In some optional embodiments, the key frame marking unit 32 is further configured to obtain a plurality of adjacent frame pictures in the background video, and if the percentage of the same pixels in the plurality of adjacent frame pictures is greater than a preset threshold, take a first frame picture of the plurality of adjacent frame pictures as a key frame, and set a marking point at a position of the first frame picture.
It is understood that the preset threshold may be any value between 90% and 100%, that is, elements in adjacent multi-frame pictures are substantially the same, and it is understood that actions or backgrounds in the adjacent frames are the same, then the first frame picture may be used as a key frame, a marker point is set at the position of the first frame picture, and the insert video is spliced to the marker point position of the key frame of the background video, so that the insert video can be obviously inserted to a proper position.
In some alternative embodiments, the marked points are line segments or inverted triangles.
The shape of the mark point is not particularly limited, and the mark point can be a line segment or an inverted triangle, so that the mark point can be obviously inserted into a proper position.
Based on the same inventive concept, the present invention also provides an electronic device comprising a memory storing computer-executable instructions and a processor configured to execute the instructions to implement the video editing method of any one of the above embodiments.
Referring to fig. 4, fig. 4 is a block diagram of an electronic device according to the present invention. The electronic device 400 provided by the present embodiment includes a memory 440 and a processor 410 storing computer executable instructions, the memory 440 storing one or more programs; when executed by the one or more processors 410, cause the one or more processors 410 to implement the video editing method of any of the above embodiments.
Continuing with FIG. 3, electronic device 400 may include a processor 410 (e.g., central processing unit, graphics processor, etc.) which may perform various appropriate actions and processes in accordance with programs stored in a institutional memory (ROM)420 or loaded from a memory 440 into a Random Access Memory (RAM) 430. In the RAM 430, various programs and data necessary for the operation of the electronic apparatus 400 are also stored. Processor 410, ROM 420, and RAM 430 are coupled to each other via bus 460. An input/output (I/O) interface 450 is also connected to bus 460.
The following components are connected to the I/O interface 450: an input portion 480 including a keyboard, a mouse, and the like; an output portion 490 including a display such as a Cathode Ray Tube (CRT), a Liquid Crystal Display (LCD), and the like, and a speaker and the like; a storage section including a hard disk and the like; and a communication section 470 including a network interface card such as a LAN card, a modem, or the like. The communication section 470 performs communication processing via a network such as the internet. The drives are also connected to the I/O interface 450 as needed. A removable medium such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like is mounted on the drive as necessary, so that a computer program read out therefrom is mounted into the storage section as necessary.
In particular, according to the embodiments of the present disclosure, the processes described above with reference to the flowcharts may be implemented as computer software programs. For example, embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer readable medium, the computer program comprising program code for performing the method illustrated in the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network through the communication section 470, and/or installed from a removable medium. The computer program performs the above-described functions defined in the system of the present invention when executed by a Central Processing Unit (CPU).
The electronic device 400 provided in the above embodiment may execute the video editing method provided in any embodiment disclosed in the present invention, and has corresponding functional units and beneficial effects for executing the method. Technical details that are not described in detail in the above embodiments may be referred to a video editing method provided by any embodiment of the present disclosure.
Computer program code for carrying out operations for embodiments of the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C + +, or the like, as well as conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer.
The units described in the present embodiment may be implemented by software or hardware. Where the name of an element does not in some cases constitute a limitation on the element itself.
The present invention also provides a computer-readable storage medium having stored thereon a computer program which, when executed by a processor, implements the video editing method in any of the above embodiments.
As can be seen from the foregoing embodiments, the video editing method, apparatus and electronic device provided by the present invention at least achieve the following beneficial effects:
according to the video editing method, at least one insert video can be spliced in the background video, the key frame of the background video is marked before splicing, and the mark point is set at the true position of the key, so that the insert video can be obviously inserted into a proper position; in addition, the editing page of the mobile equipment comprises a video display area and an editing area which are arranged along the column direction, wherein the video display area displays a frame picture of a background video and a frame picture of an inserted video, the editing area comprises m editing tool options, and the width of each editing tool option in the row direction is w 1; acquiring the width K of a current editing page of the mobile equipment in the row direction; the number n1 of the editing tool options set in the row direction is calculated, the editing tool options are divided into a1 rows, a is a natural number larger than 1, all the editing tool options can be displayed in an editing page, a proper editing tool can be selected without turning backwards all the time, all the editing tool options can be clearly embodied in an editing area, and user experience is improved.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (10)
1. A video editing method applied to a mobile device includes:
acquiring a background video and at least one insert video, wherein the duration of the background video is more than 15 minutes;
marking a key frame of the background video, and setting a mark point at the position of the key frame;
splicing the insert video to the mark point position of the key frame of the background video, and editing the background video and the insert video, wherein,
the editing page of the mobile device comprises a video display area and an editing area which are arranged along the column direction, the video display area displays the frame picture of the background video and the frame picture of the insertion video, the editing area comprises m editing tool options, and the width of each editing tool option in the row direction is w 1;
acquiring the width K of a current editing page of the mobile equipment in the row direction;
and calculating the number n1 of the editing tool options arranged in the row direction, and dividing the editing tool options into a1 rows, wherein a is a natural number greater than 1.
2. The video editing method according to claim 1, further comprising obtaining a length of a current editing area of the mobile device in a column direction as D;
the length of each editing tool option in the column direction is p1, if the product of a1 and p1 is larger than D, the width of the editing tool options in the row direction is automatically reduced, the width of the editing tool options in the row direction is w2, and the number of the editing tool options arranged in the row direction is increased by n 2.
3. The video editing method according to claim 1, further comprising obtaining a length of a current editing area of the mobile device in a column direction as D;
the length of each editing tool option in the column direction is p1, if the product of a1 and p1 is larger than D, the length of the editing tool options in the column direction is automatically reduced, the length of the editing tool options in the column direction is p2, and the product of p2 and a1 is smaller than or equal to D.
4. The video editing method according to claim 1, wherein marking a key frame of the background video, and setting a marking point for a position of the key frame comprises:
and acquiring a plurality of adjacent frame pictures in the background video, and if the percentage of the same pixels in the plurality of adjacent frame pictures is greater than a preset threshold value, taking a first frame picture of the plurality of adjacent frame pictures as a key frame, and setting a mark point at the position of the first frame picture.
5. The video editing method of claim 4, wherein the mark point is a line segment or an inverted triangle.
6. A video editing device is characterized in that the device is arranged on a mobile device and comprises a video acquisition unit, a key frame marking unit and a video editing unit, wherein,
the video acquisition unit is coupled with the key frame marking unit and is used for acquiring a background video and at least one insert video, and the duration of the background video is more than 15 minutes;
the key frame marking unit is respectively coupled with the video acquiring unit and the video editing unit and is used for marking the key frames of the background video and setting marking points for the positions of the key frames;
the video editing unit is coupled with the key frame marking unit, splices the insertion video to the marking point position of the key frame of the background video and edits the background video and the insertion video, wherein,
the editing page of the mobile device comprises a video display area and an editing area which are arranged along the column direction, the video display area displays the frame picture of the background video and the frame picture of the insertion video, the editing area comprises m editing tool options, and the width of each editing tool option in the row direction is w 1; acquiring the width K of a current editing page of the mobile equipment in the row direction; and calculating the number n1 of the editing tool options arranged in the row direction, and dividing the editing tool options into a1 rows, wherein a is a natural number greater than 1.
7. The video editing apparatus according to claim 6, wherein the video editing unit is further configured to obtain that a length of a current editing area of the mobile device in a column direction is D; the length of each editing tool option in the column direction is p1, if the product of a1 and p1 is larger than D, the width of the editing tool options in the row direction is automatically reduced, the width of the editing tool options in the row direction is w2, and the number of the editing tool options arranged in the row direction is increased by n 2.
8. The video editing apparatus according to claim 6, wherein the video editing unit is further configured to obtain that a length of a current editing area of the mobile device in a column direction is D;
the length of each editing tool option in the column direction is p1, if the product of a1 and p1 is larger than D, the length of the editing tool options in the column direction is automatically reduced, the length of the editing tool options in the column direction is p2, and the product of p2 and a1 is smaller than or equal to D.
9. The video editing apparatus according to claim 6, wherein the key frame marking unit is further configured to obtain a plurality of adjacent frame pictures in the background video, and if the percentage of the same pixels in the plurality of adjacent frame pictures is greater than a preset threshold, take a first frame picture of the plurality of adjacent frame pictures as a key frame, and set a marking point at a position of the first frame picture.
10. An electronic device, comprising a memory storing computer-executable instructions and a processor configured to execute the instructions to implement the video editing method of any of claims 1-5.
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