WO2016095071A1 - 一种视频处理方法、装置及播放装置 - Google Patents

一种视频处理方法、装置及播放装置 Download PDF

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Publication number
WO2016095071A1
WO2016095071A1 PCT/CN2014/093785 CN2014093785W WO2016095071A1 WO 2016095071 A1 WO2016095071 A1 WO 2016095071A1 CN 2014093785 W CN2014093785 W CN 2014093785W WO 2016095071 A1 WO2016095071 A1 WO 2016095071A1
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WO
WIPO (PCT)
Prior art keywords
video
attribute information
segment
video segment
editing
Prior art date
Application number
PCT/CN2014/093785
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
白高平
赖雅君
梁泰文
Original Assignee
深圳市大疆创新科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳市大疆创新科技有限公司 filed Critical 深圳市大疆创新科技有限公司
Priority to JP2016536996A priority Critical patent/JP6367334B2/ja
Priority to CN201480010538.9A priority patent/CN105519095B/zh
Priority to PCT/CN2014/093785 priority patent/WO2016095071A1/zh
Priority to CN202111113818.0A priority patent/CN113766161B/zh
Priority to EP15868878.8A priority patent/EP3167604B1/en
Priority to PCT/CN2015/075458 priority patent/WO2016095361A1/en
Priority to CN201580009864.2A priority patent/CN107005624B/zh
Priority to ES15868884T priority patent/ES2877224T3/es
Priority to CN201580067797.XA priority patent/CN107223316B/zh
Priority to PCT/CN2015/076015 priority patent/WO2016095367A1/en
Priority to EP15868884.6A priority patent/EP3123644B1/en
Priority to CN202010206245.5A priority patent/CN111432152A/zh
Priority to EP21158401.6A priority patent/EP3846454A1/en
Priority to DK15868884.6T priority patent/DK3123644T3/da
Publication of WO2016095071A1 publication Critical patent/WO2016095071A1/zh
Priority to US15/349,958 priority patent/US9973728B2/en
Priority to US15/598,170 priority patent/US10567700B2/en
Priority to US15/942,862 priority patent/US10284808B2/en
Priority to US16/270,122 priority patent/US10771734B2/en
Priority to US16/789,651 priority patent/US11095847B2/en
Priority to US16/939,653 priority patent/US20200358979A1/en

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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • 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
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
    • 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
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content

Definitions

  • the present invention relates to the field of multimedia technologies, and in particular, to a video processing method, apparatus, and playback apparatus.
  • the editing of video generally includes: adding music, subtitle editing in some recorded videos, splicing multiple recorded videos into one combined video, and applying a professional video clip application to a recorded video. Editing, including removing unwanted video content, retains only the content you need.
  • the current video editing method uses a more professional video editing application to edit the recorded video, which is inconvenient for ordinary users, and takes time and effort.
  • the technical problem to be solved by the embodiments of the present invention is to provide a video processing method, a video processing device, and a playback device, which can conveniently and quickly perform editing and recording on the currently played video.
  • an embodiment of the present invention provides a video processing method, including:
  • the present invention also provides a video processing apparatus, including:
  • An obtaining module configured to acquire an editing operation for the currently played target video, and determine a video segment selected by the editing operation
  • a recording module configured to record attribute information of the selected video segment to facilitate editing the target video.
  • an embodiment of the present invention further provides a playback apparatus, including: a player and a processor;
  • the player is configured to play a video
  • the processor is configured to acquire an edit operation for the currently played target video, determine a video segment selected by the editing operation, and record attribute information of the selected video segment to facilitate the target The video is edited.
  • the user by determining a video segment on the target video and storing the video segment information, the user can synthesize the video file according to the attribute information of the stored video segment, without editing by a dedicated video editing software, and the operation is simple.
  • FIG. 1 is a schematic flow chart of a video processing method according to an embodiment of the present invention.
  • FIG. 2 is a schematic flowchart diagram of another video processing method according to an embodiment of the present invention.
  • FIG. 3 is a schematic flow chart of still another video processing method according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a video processing apparatus according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of another video processing apparatus according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of an acquisition module of the video processing device of FIG. 4 or FIG. 5;
  • Figure 7 is a schematic diagram of a recording module of the video processing device of Figure 4 or Figure 5;
  • Figure 8 is a schematic diagram of an editing module of the video processing device of Figure 5;
  • Figure 9 is a schematic diagram of a synthesis module of the video processing device of Figure 5.
  • Figure 10 is a schematic diagram of a processing module of the video processing device of Figure 5;
  • FIG. 11 is a schematic structural diagram of a playback apparatus according to an embodiment of the present invention.
  • FIG. 1 is a schematic flowchart of a video processing method according to an embodiment of the present invention.
  • the method in the embodiment of the present invention may be implemented in an electronic device capable of playing video such as an aerial camera, a mobile phone, or a tablet computer.
  • the method includes:
  • S101 Acquire an editing operation for the currently played target video, and determine a video segment selected by the editing operation.
  • the currently played target video may be a video being recorded, a video that has been recorded for preview playback, or a video that is played back.
  • a video capture device such as a camera, a video camera, or the like
  • a third-party electronic device such as a mobile phone, a tablet, or a personal computer. Play on electronic devices.
  • the editing operation for the target video is detected and acquired, and when the editing operation is detected, the video segment is determined from the target video according to the determination rule associated with the editing operation.
  • Edit operations can be click operations, double-click operations, or long press operations.
  • the specific determination rules are:
  • a predetermined length of the video segment is determined by extending a predetermined length of time from the clicked time point to the two sides on the target video.
  • the click time point is extended to the start direction of the target video for 2 seconds, and the end direction of the target video is extended by 3 seconds, and a video clip having a duration of 5 seconds is determined.
  • the extension time can also be set to other values, such as extending to the target video starting direction for 5 seconds, and extending to the target video ending direction for 5 seconds to determine a video clip with a duration of 10 seconds.
  • the video clip between the two double-click operations is determined according to the time points of the two double-click operations.
  • the video clip between the start time point and the end time point is determined from the target video according to the start time point and the end time point of the long press operation.
  • the time point at which the function button is pressed can be extended forward by a few seconds and used as a starting point, thereby ensuring that the captured video segment is more complete.
  • the start direction of the target video is extended by 2 seconds.
  • the predetermined time length may be extended to the end direction of the target video.
  • S102 Record attribute information of the selected video segment to facilitate editing the target video.
  • the attribute information of the video segment determined in the S101 is stored, wherein the attribute information includes a start time point, an end time point of the video segment in the target video, and time information when the video segment is selected.
  • the attribute information may also include some description information, such as the format of the video clip, the duration, the occupied memory size, the shooting location, the shooting route, and the file name, resolution, frame rate, and the like of the target video from which the video clip is selected.
  • the attribute information recorded by the video clip can be used to edit the target video. Specifically, when the video synthesis instruction is detected, all the video segments corresponding to the attribute information may be extracted from the target video according to the recorded attribute information, and the extracted video segments are combined to form a video file. Wherein, when the video clips are merged, the video clips may be sorted according to the time points of the video clips in the target video, and then merged; or the video clips may be sorted according to the determined time points of the video clips in the target video, and then merge.
  • the specific consolidation rules are based on user needs.
  • the video segment may be determined on the locally cached video, and the description information corresponding to the video segment may be stored, and the description information corresponding to each saved video segment may be subsequently followed.
  • Corresponding video segments are extracted from a storage medium on the aerial camera, such as a video recorded on a memory card. Therefore, if the locally buffered video resolution is lower and the video resolution recorded in the aerial storage medium is higher, the description information of the video segment may be first determined on the low resolution video and subsequently determined from the high resolution according to the description information.
  • the video clip is extracted from the rate video.
  • the resolution of the video clip can also be changed when the video clip is extracted from the target video. For example, the resolution of the video clip is reduced to save space; or the resolution of the video clip can be improved by using an interpolation technique or the like.
  • the attribute information of the video segment may also be edited according to the editing operation instruction.
  • the editing operation includes: modifying one or more of modifying the attribute information, adding new attribute information, and deleting the attribute information.
  • the editing operation is a modification of the recorded attribute information
  • receiving the modification operation instruction the start time point and/or the end time point of the video in the attribute information may be modified, thereby extending or shortening the determined video segment, or the video segment Move forward or backward.
  • the new operation instruction is received, the target video is replayed, the editing operation for the target video is received again, and the video segment selected by the editing operation is determined, thereby increasing the recording of the new video.
  • the attribute information of the selected video clip is
  • the deletion operation instruction is received, and the attribute information corresponding to the specified video segment is deleted according to the video segment specified by the deletion operation instruction.
  • the video segments are extracted from the target video according to the edited attribute information, and merged into a video file.
  • the determined video segment may be stored, and the video stream of the video segment is in a specific format, such as MP4 (Moving Picture Experts Group Audio Layer IV), Formats such as AVI (Audio Video Interleave) and MOV (Quick Time Movie Format) are stored in a storage medium.
  • the user can preview each video clip and also merge the video clips into a video file for playback or preview.
  • the stored video clip may be selected during one play or may be selected by playing the target video multiple times, so the time sequence of the storage time of the video clip and the time sequence of the video clip in the target video may be inconsistent.
  • the video clips may be sequentially superimposed according to the time sequence in which the video clips are stored, or may be sorted according to the time points of the video clips in the target video, and then merged into video files.
  • selecting a video clip from the target video and extracting the video clip based on the attribute information of the video clip, and synthesizing the video clip as a video file can all be done by a dedicated application.
  • the video processing method provided in the embodiment of the present invention is simple in operation, and does not require the user to have professional video editing skills.
  • FIG. 2 is a schematic flowchart of another video processing method according to the present invention. Specifically, the method includes:
  • the currently played target video may be the video being recorded, the video that has been recorded for preview playback, or the video being played back.
  • S202 Determine a video segment from the target video according to a determination rule associated with the editing operation.
  • the editing operation includes clicking, double clicking, or long pressing on a physical button or a function button in the application.
  • the video clip is determined by extending a predetermined duration from the time point of the click operation on the target video.
  • the video segment between the two double-click operations is determined according to the time points of the two double-click operations.
  • the video clip between the start time point and the end time point is determined from the target video according to the start time point and the end time point of the long press operation.
  • S203 Acquire attribute information of the video segment.
  • the attribute information of the video segment is extracted.
  • the determined video clips can also be stored.
  • the attribute information of the video clip is stored in a document, and the name of the document is associated with the name of the target video, so the user can conveniently find the target video corresponding to the attribute according to the document name of the attribute information.
  • This document is independent of the target video.
  • S205 Acquire a synthetic video operation instruction.
  • the video segment indicated by the attribute information is extracted from the target video according to the attribute information in the document.
  • the attribute information Before extracting the video segment indicated by the attribute information from the target video according to the attribute information in the document, the attribute information may be edited according to the user's needs, the attribute information of some video segments is deleted from the document, and the corresponding video segments are modified. Attribute information or add attribute information for new video clips to the document.
  • the document can also be edited multiple times.
  • the video clip is extracted from the target video according to the modified attribute information document.
  • the synthesized extracted video segment is a video file.
  • the video clips When synthesizing a video file, the video clips may be sorted according to the time sequence of the video clips in the target video or the time points at which the video clips are determined in the target video, thereby merging the sorted video clips into video files.
  • the video clip can be played back or exported to a storage medium such as a personal computer, mobile phone, tablet or mobile hard disk for later playback.
  • a storage medium such as a personal computer, mobile phone, tablet or mobile hard disk for later playback.
  • the user opens a new target video and selects a video clip from the new target video, the above steps are repeated, the video clip is determined from the new target video, and the attribute information of the video clip is stored in the new document.
  • the attribute information of the video segment is stored in the preset document, and even if the video clip of the user clip is not stored, the video may be extracted from the target video according to the information in the document, thereby saving memory space.
  • FIG. 3 is a schematic flowchart of still another video processing method according to the present invention. Specifically, the method includes:
  • S301 Acquire an editing operation for the currently played target video.
  • S302 Determine a video segment from the target video according to a determination rule associated with the editing operation.
  • the attribute information of the acquired video segment is embedded in the target video, such as marking a start time point and an end time point of the video segment on the target video, and the video segment may be named or simply described, and It is also possible to mark the point in time at which the video clip was determined.
  • the attribute information of the video clip is encapsulated into the target video. After opening the target video, the user can click on the determined video clip to preview the video clip.
  • S305 Acquire a synthetic video operation instruction.
  • the video segment indicated by the attribute information is extracted from the target video according to the attribute information in the document.
  • the target video is opened, the determined video segment is extracted, and the video segment is stored.
  • the synthesized extracted video segment is a video file.
  • the video clips Before the extracted video segments are merged, the video clips may be sorted according to the time in the target video or the determined time points of the video segments, and then the sorted video segments are combined to obtain a video file.
  • the attribute information of the selected video segment is embedded on the target video, so that the attribute information of the video segment can be obtained at the same time when the target video is played, and the user can simultaneously view the video segment during the target video playing process.
  • the attribute information is modified.
  • the user by determining a video segment on the target video and storing the video segment information, the user can synthesize the video file according to the attribute information of the stored video segment, and can edit the video file by editing the attribute information of the video segment, without Edited with dedicated video editing software for easy operation.
  • Video clips can also be marked during recording, eliminating the need to play back the target video to determine the video clip, saving time.
  • a video processing device and a playback device are described below.
  • FIG. 4 it is a schematic structural diagram of a video processing apparatus according to an embodiment of the present invention.
  • the video processing apparatus may be configured in an electronic device capable of playing video such as an aerial camera, a mobile phone, a tablet computer, a video camera, or an aerial camera.
  • the video processing device includes:
  • the obtaining module 1 is configured to acquire an editing operation for the currently played target video, and determine a video segment selected by the editing operation;
  • the recording module 2 is configured to record attribute information of the selected video segment to facilitate editing the target video.
  • the acquisition module 1 acquires the user's editing operation on the target video, such as a click operation, a double-click operation, or a long-press operation performed by the user during the editing operation, and according to the click operation, the double-click operation, and the long-press operation.
  • a corresponding determination rule determines a video segment from the target video.
  • the recording module 2 stores attribute information of the video segment determined by the obtaining module 1 to subsequently edit the target video according to the stored attribute information.
  • the video processing device may further include a playing module 3, an editing module 4, a synthesizing module 5, and a processing module 6.
  • the playing module 3 is used to play a video.
  • the video played by the playing module 3 may be a video that is being recorded, has been recorded for preview playback, or a video that is played back, or may be a determined video clip or a final synthesized video file.
  • the editing module 4 is configured to edit attribute information of the recorded video segment, including modifying and deleting attribute information of some video segments and attribute information of the newly added video segment.
  • the synthesis module 5 is used to synthesize a video file.
  • the processing module 6 is for processing the video clip.
  • the acquisition module 1 includes an edit acquisition unit 11 and a video marker unit 12.
  • the edit acquisition unit 11 is configured to acquire an edit operation for the currently played target video, including a click operation, a double click operation, and a long press operation.
  • the video tagging unit 12 is configured to determine a video segment from the currently played target video according to a determination rule associated with the editing operation.
  • the video marking unit 12 extends a predetermined length of time from the time point of the click to the two sides on the target video to determine a video segment of a certain length.
  • the click time point is extended to the start direction of the target video for 2 seconds, and the end direction of the target video is extended by 3 seconds, and a video clip having a duration of 5 seconds is determined.
  • the extension time can also be set to other values, such as extending to the target video starting direction for 5 seconds, and extending to the target video ending direction for 5 seconds to determine a video clip with a duration of 10 seconds.
  • the video marking unit 12 determines the video segment between the two double-click operations according to the time points of the two double-click operations.
  • the video marking unit 12 determines the video between the start time point and the end time point from the target video according to the start time point and the end time point of the long press operation. Fragment.
  • the time point at which the function button is pressed can be extended forward by a few seconds and used as a starting point, thereby ensuring that the captured video clip of interest is more complete.
  • the start direction of the target video is extended by 2 seconds.
  • the predetermined time length may be extended to the end direction of the target video.
  • the recording module 2 includes an attribute obtaining unit 21, a first attribute storage unit 22, and a second attribute storage unit 23.
  • the attribute obtaining unit 21 is configured to acquire attribute information of the video segment, including a start time point, an end time point of the video segment in the target video, and time information when the video segment is determined.
  • the attribute information may further include description information such as a format, a duration, a memory size, a shooting location, a shooting route, a file name of the target video from which the video clip is selected, a resolution, a frame rate, and the like.
  • the first attribute storage unit 22 is configured to store attribute information of the video segment acquired by the attribute obtaining unit 21 into a preset document.
  • the name of the document is associated with the name of the target video, so the user can conveniently find the corresponding one according to the document name of the attribute information.
  • Target video can also be named other names. This document is independent of the target video.
  • the second attribute storage unit 23 is configured to embed the attribute information of the video segment acquired by the attribute obtaining unit 21 into the information of the target video.
  • the attribute information of the video segment is stored in a manner embedded in the target video
  • the attribute information of the obtained video segment is embedded in the target video, such as marking the start time point and the end time point of the video segment on the target video.
  • the video clip can be named or simply described.
  • the time point at which the video clip is determined can also be marked.
  • the information of the video clip is encapsulated into the target video. After opening the target video, the user can click on the determined video clip to preview the video clip.
  • the editing module 4 when the attribute information of the stored video clip needs to be edited, the editing module 4 is used for editing.
  • the editing module 4 includes an instruction acquisition unit 41 and an editing unit 42.
  • the instruction acquisition unit 41 is configured to acquire an editing operation instruction for editing the recorded attribute information.
  • the editing unit 42 edits the attribute information of the video segment according to the acquired editing operation instruction.
  • the editing operation includes: modifying one or more of modifying the attribute information, adding new attribute information, and deleting the attribute information.
  • the instruction acquisition unit 41 receives the modification operation instruction, modifying any one or more of the start time point, the end time point, and the description information recorded in the attribute information of the video segment;
  • the instruction acquisition unit 41 When the instruction acquisition unit 41 receives the deletion operation instruction, deleting the attribute information corresponding to the specified video segment according to the video segment specified by the deletion instruction;
  • the instruction acquisition unit 41 When the instruction acquisition unit 41 receives the new operation instruction, replays the target video, receives an editing operation for the replayed target video, determines the video segment selected by the editing operation, and increases the recording of the selected video.
  • the attribute information of the fragment is
  • the synthesis module 5 includes a control unit 51 and a synthesis unit 52.
  • the synthesizing module 4 is configured to edit the video according to the attribute information of the video segment recorded by the recording module 2.
  • the control unit 51 is configured to extract, from the current target video, a video segment indicated by the attribute information when a video synthesis event is detected.
  • the synthesizing unit 52 combines the respective video segments extracted by the control unit 51 to obtain a video file.
  • synthesizing a video file it can be sorted according to the point in time sequence of the video clip in the target video or the determined time of the video clip, and then merged.
  • the video clip can be played back or exported to a storage medium such as a personal computer, mobile phone, tablet or mobile hard disk for later playback.
  • the processing module 6 is used to directly merge video segments.
  • the recording module 2 also stores the video segments marked by the acquisition module 1 together, the stored video segments can be directly synthesized into a video file by the processing module 6.
  • the processing module 6 includes a video acquisition unit 61 and a video processing unit 62, wherein the video acquisition unit 61 is configured to acquire the determined video segments, and the video processing unit 62 synthesizes the video segments.
  • the video clips may be sequentially superimposed to synthesize a video file, or the video clips may be sorted according to the time points of the video clips in the target video, and the sorted video clips may be merged.
  • the user by determining a video segment on the target video and storing the video segment information, the user can synthesize the video file according to the attribute information of the stored video segment, and can edit the video file by editing the attribute information of the video segment, without Edited with dedicated video editing software for easy operation.
  • Video clips can also be marked during recording, eliminating the need to play back the target video to determine the video clip, saving time.
  • FIG. 11 is a schematic structural diagram of a playback device according to an embodiment of the present invention.
  • the playback device in the embodiment of the present invention may be an electronic device capable of playing video such as an aerial camera, a mobile phone, a tablet computer, a video camera, or an aerial camera.
  • the playback device of the present invention includes a player 100 and a processor 200.
  • the player 100 is configured to play a video
  • the processor 200 is configured to acquire an edit operation for the currently played target video, determine a video segment selected by the editing operation, and record attribute information of the selected video segment to facilitate the The target video is edited.
  • the player 100 is configured to play a target video
  • the target video may be a video being recorded, a video that has been recorded for preview playback, or a video played back, and may also be used for playing on the target video. Out of the video clip or the final synthesized video file.
  • the processor 200 is configured to acquire an editing operation for the target video played by the player 100, determine a video segment selected by the editing operation according to a determining rule associated with the editing operation, and record the selected The attribute information of the video clip.
  • the processor 200 acquires a click operation, a double-click operation, or a long-press operation on the target video played by the player 100, and determines a video segment on the target video according to the determination rule associated with the editing operation. .
  • the predetermined time length is extended forward and/or backward at a selected time point of the click operation, and a video segment is determined from the target video;
  • the acquired editing operation is two double-click operations, determining a video segment between the two double-click operations from the target video according to the time points of the two double-click operations before and after;
  • the video segment is determined from the target video according to the start time point and the end time point of the long press operation.
  • the processor 200 is specifically configured to acquire attribute information of a video segment, and store the attribute information into a preset document, or embed the attribute information into the information of the target video.
  • the attribute information may include a time point of the video segment in the target video and a time point when the video segment is selected, and may further include description information such as a shooting location, a shooting trajectory, and a resolution.
  • the processor 200 edits the attribute information according to the editing operation instruction.
  • the editing operation includes any one or more of modifying the recorded attribute information, adding new attribute information, and deleting the attribute information.
  • the target video is replayed, the editing operation for the replayed target video is received, the video segment selected by the editing operation is determined, and the attribute information of the selected video segment is recorded. .
  • the processor 200 acquires the video synthesis instruction, the video segment indicated by the attribute information is extracted from the target video; and the extracted video segments are synthesized into a video file.
  • the video files may be sorted according to the time points of the video clips in the target video, and then merged; or sorted according to the determined time points of the video clips, and then merged.
  • the processor 200 can also directly store the video segment determined from the target video, so when the video synthesis command is received, the determined video segment is directly obtained, and the merge is performed by sequentially superimposing or according to the foregoing.
  • the video clips are sorted at the point in time in the target video and then merged.
  • the user by determining a video segment on the target video and storing the video segment information, the user can synthesize the video file according to the attribute information of the stored video segment, and can edit the video file by editing the attribute information of the video segment, without Edited with dedicated video editing software for easy operation.
  • Video clips can also be marked during recording, eliminating the need to play back the target video to determine the video clip, saving time.
  • the related apparatus and method disclosed may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the modules or units is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined. Or it can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be electrical, mechanical or otherwise.
  • the units that are not described separately may or may not be physically separated.
  • the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • the technical solution of the present invention which is essential or contributes to the prior art, or all or part of the technical solution, may be embodied in the form of a software product stored in a storage medium.
  • a number of instructions are included to cause a computer processor to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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